20140129 Ver 1_More Info Received_20140224

Strickland, Bev
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LITTLE BUFFALO CREEK STREAM MITIGATION PROJECT
Cabarrus County, NC
Yadkin River Basin
Cataloging Unit: 03040105
EEP Project Number: 94147
Prepared for:
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iimN C D E N R E anPeOAM nt
North Carolina Department of Environment and Natural Resources
Ecosystem Enhancement Program
1652 Mail Service Center
Raleigh, North Carolina 27699 -1652
Little Buffalo Creek Stream Mitigation Plan
Final
Submitted
April 2013

Prepared for:
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NCDENR
11,wical Hecht
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Prepared by:
The Louis Berger Group, Inc.
1001 Wade Avenue, Suite 400
Raleigh, North Carolina 27605
Tel [phone]
Fax [phone]
Project Manager:
Michael O'Rourke
Tel [phone]
Fax [phone]
[e-mail]

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Project
EEP Project Number 94147
TABLE OF CONTENTS
1.
Executive Summary/Project Abstract .............................................. ............................... 1
2.
Project Site Identification and Location .......................................... ............................... 3
2.1.
Directions to the Project Site ........................................................... ...............................
3
2.2.
USGS Hydrologic Unit Code and NCDWQ River Basin Designation ..........................
3
2.3.
Project Vicinity ................................................................................ ...............................
4
2.4.
Project Components and Structure ................................................... ...............................
4
3.
Watershed Characterization ............................................................. ............................... 6
3.1.
Drainage Area .................................................................................. ...............................
6
3.2.
Surface Water Classification / Water Quality .................................. ...............................
6
3.3.
Physiography, Geology, and Soils ................................................... ...............................
7
3.4.
Historical Land Use and Development Trends ................................ ...............................
8
3.5.
Endangered / Threatened Species .................................................. ...............................
11
3.6.
Cultural Resources ......................................................................... ...............................
12
3.7.
Potential Constraints ...................................................................... ...............................
13
3.7.1.
Property Ownership and Boundary ........................................ ...............................
13
3.7.2.
Site Access ............................................................................. ...............................
13
3.7.3.
Utilities ..................................................................................... .............................13
3.7.4.
FEMA / Hydrologic Trespass ................................................ ...............................
13
4.
Project Site Streams - Existing Conditions .................................... ...............................
13
4.1.
Existing Conditions Survey ........................................................... ...............................
13
4.2.
Channel Classification ................................................................... ...............................
14
4.3.
Valley Classification ...................................................................... ...............................
15
4.4.
Discharge ....................................................................................... ...............................
15
4.5.
Channel Morphology (Pattern, profile) .......................................... ...............................
15
4.6.
Channel Evolution ......................................................................... ...............................
22
4.7.
Channel Stability Assessment ........................................................ ...............................
23
4.8.
Bankfull Verification ..................................................................... ...............................
23
4.9.
Vegetation Community Type(s) Descriptions and Disturbance History ......................
23
5.
Reference Streams ........................................................................... ...............................
24
5.1.
Watershed Characterization ........................................................... ...............................
24
5.2.
Channel classification .................................................................... ...............................
24
5.3.
Discharge (bankfull, trends) ........................................................... ...............................
24
5.4.
Channel Morphology (pattern, dimension, profile) ....................... ...............................
25
5.5.
Channel Stability Assessment ........................................................ ...............................
25
5.6.
Bankfull Verification ..................................................................... ...............................
25
5.7.
Vegetation Community Type(s) Descriptions and Disturbance History ......................
26
6.
Project Site Wetlands ...................................................................... ...............................
26
7.
Reference Wetlands ......................................................................... ...............................
26
8.
Project Site Restoration Plan .......................................................... ...............................
26
8.1.
Restoration Project Goals and Objectives ...................................... ...............................
30
8.1.1.
Designed Channel Classification and/ or Wetland Type ....... ...............................
31
8.1.2.
Target Wetland Communities / Buffer Communities ............ ...............................
32
Final Little Buffalo Creek Stream Mitigation Plan Page i

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Project
EEP Project Number 94147
8.2. Sediment Transport Analysis ......................................................... ...............................
32
8.3. HEC -RAS Analysis ....................................................................... ...............................
33
8.3.1. Hydrologic Analysis .............................................................. ...............................
34
8.3.1.1. Data Sources .................................................................. ...............................
34
8.3.1.2. Weighted Curve Number Computations ........................ ...............................
34
8.3.1.3. Watershed Lag Time Computations .............................. ...............................
35
8.3.1.4. Hydrologic Reach Routing ............................................ ...............................
35
8.3.1.5. Peak Discharge Summary .............................................. ...............................
35
8.3.2. Hydraulic Analysis ................................................................. ...............................
36
8.3.2.1. Hydraulic Geometry Model ........................................... ...............................
36
8.3.2.2. HEC -RAS Peak Flow Loading Points Summary ........... ...............................
37
8.3.2.3. Hydraulic Modeling Results .......................................... ...............................
38
8.3.8.3.1 Work Area 1 ................................................................... ...............................
38
8.3.8.3.2 Work Area 2 ................................................................... ...............................
38
8.3.2.3.3. Work Area 3 ................................................................... ...............................
39
8.3.2.3.4. Work Area 4 ................................................................... ...............................
40
8.3.3. Existing Bridges and Hydraulic Structures ............................ ...............................
40
8.3.4. Hydrologic Trespass for the 100 -Year Storm Event .............. ...............................
42
8.3.5. Conclusions .............................................................................. .............................43
8.4 Stormwater Best Management Practices ....................................... ...............................
43
8.5 Hydrological Modifications (for wetland restoration or enhancement) .......................
43
8.6 Soil Restoration .............................................................................. ...............................
43
8.7 Natural Plant Community Restoration ........................................... ...............................
43
8.7.1 Narrative of Plant Community Restoration ........................... ...............................
43
8.7.2 Seeding Plan Summary for Vegetation Communities and Zones .........................
43
8.7.3 Planting Plan Summary for Vegetation Communities and Zones ........................
44
8.7.4 Narrative of species management .......................................... ...............................
44
9. Performance Criteria ....................................................................... ...............................
44
9.1 Streams ............................................................................................. .............................44
9.2 Vegetation ...................................................................................... ...............................
45
9.3 Schedule / Reporting .......................................................................... .............................45
10. Preliminary Monitoring .................................................................. ...............................
46
11. References ........................................................................................... .............................48
Final Little Buffalo Creek Stream Mitigation Plan Page ii

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Project
EEP Project Number 94147
LIST OF TABLES
Table 1:
Project Components
Table 2:
Project Activity and Reporting History
Table 3:
Project Contact Table
Table 4:
Project Attribute Table
Table 5:
Morphological Design Table
Table 6:
BEHI and Sediment Export Estimates for Project Site Streams
Table 7:
Planting Summary for Vegetative Communities and Zones
Table 8:
Seeding Summary for Permanent Vegetation
Table 9:
Planting Summary for Temporary Sediment and Erosion Control Seed Mix
LIST OF FIGURES
Figure 1:
Project Site Vicinity Map
Figure 2:
Project Site Watershed Map
Figure 3:
Project Site NRCS Soil Survey Map
Figure 4:
Project Site Hydrological Features with Gauge Locations Map
Figure 5:
Project Site Wetland Delineation Map (N /A)
Figure 6:
Reference Site Vicinity Map
Figure 7:
Reference Site Watershed Map
Figure 8:
Reference Site NRCS Soil Survey Map
Figure 9:
Reference Site Wetland Determination Sample Locations with Gauge Locations (N /A)
Figure 10:
Reference Site Vegetative Communities Map
LIST OF APPENDICES
Appendix 1:
Project Site Photographs
Appendix 2:
Project Site USACE Routine Wetland Delineation Data Forms (N /A)
Appendix 3:
Project Site NCDWQ Stream Classification Forms
Appendix 4:
Reference Site Photographs
Appendix 5:
Reference Site USACE Routine Wetland Delineation Data Forms (N /A)
Appendix 6:
Reference Site NCDWQ Stream Classification Forms (N /A)
Appendix 7:
Hydrologic Gauge Data Summary, Groundwater and Rainfall Information
Appendix 8:
HEC -RAS Analysis
Appendix 9:
EEP Floodplain Requirements Checklist
Appendix 10:
Benthos Survey Results
Appendix 11:
Agency Correspondence
Appendix 12:
Conservation Easement Documentation
Final Little Buffalo Creek Stream Mitigation Plan Page iii

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
1. Executive Summary /Project Abstract
The Louis Berger Group, Inc. (Berger) proposes to restore the Little Buffalo Creek Stream
Mitigation Site (Site) in Cabarrus County, North Carolina to provide the North Carolina
Ecosystem Enhancement Program ( NCEEP) with approximately 6,557 stream mitigation units
needed to compensate for projects occurring within the Yadkin -Pee Dee River basin.
The Little Buffalo Creek Stream Mitigation Site consists of six reaches along the mainstem
and seven unnamed tributaries (UTs) (Figure 1). The mainstem of Little Buffalo Creek as well
as UT 4 and UT 7 are perennial streams. The remainder of the UTs are intermittent.
Photographs of each reach and UT can be found in Appendix 1. North Carolina Division of
Water Quality (NCDWQ) Stream Classification Forms can be found in Appendix 3. This
stream mitigation project includes reaches of restoration, enhancement, and preservation along
the mainstem and its associated UTs. In total, the Site will provide 13641 linear feet of
restoration, enhancement, and preservation. At a 1:1 ratio for restoration, 1.5:1 for
enhancement level I, 2.5:1 for enhancement level II, and a 5:1 ratio for preservation, the
NCEEP will receive approximately 6,679 stream mitigation units from the Site. In addition,
approximately 47 acres of riparian buffer will be protected within a conservation easement.
The fourteen reaches are detailed below.
The original stream channel has been altered by years of ranching activities, including cattle
access to the stream and riparian zone. Several reaches of the stream have bedrock in their
streambed and vertical migration of the stream has been confined to a small percentage of the
project site. The stability in the vertical direction coupled with the loss of vegetation along the
stream due to cattle accessing the stream via the streambank have led to streambank failures
and lateral stream migration on several stream reaches throughout the Site.
The goals of the proposed Little Buffalo Creek Stream Restoration project include, but are not
limited to, the enhancement of water quality and aquatic /terrestrial habitat, stream stability
improvement, and erosion reduction. The uplift of these stream functions specifically requires:
• Protecting and improving water quality through the removal or minimization of the
biological, chemical, and physical stressors,
o reducing sediment input into the stream from erosion,
Final Little Buffalo Creek Stream Mitigation Plan Page I
Mitigation
Types by
Reach (Linear Feet)
Reach Name
Restoration
Enhancement I Enhancement 11
Preservation
Reach 1
438
0
1,862
0
Reach 2
0
0
1,248
0
Reach 3
267
0
808
0
Reach 4
0
120
721
0
Reach 5
0
0
952
0
Reach 6
0
0
0
2,053
UT 1
0
0
109
0
UT 2
0
0
616
335
UT 3
197
515
763
0
UT 4
0
397
431
0
UT 5
0
0
184
0
UT 6
0
0
151
0
UT 7
1,374
0
0
0
UT 8
100
0
0
0
The original stream channel has been altered by years of ranching activities, including cattle
access to the stream and riparian zone. Several reaches of the stream have bedrock in their
streambed and vertical migration of the stream has been confined to a small percentage of the
project site. The stability in the vertical direction coupled with the loss of vegetation along the
stream due to cattle accessing the stream via the streambank have led to streambank failures
and lateral stream migration on several stream reaches throughout the Site.
The goals of the proposed Little Buffalo Creek Stream Restoration project include, but are not
limited to, the enhancement of water quality and aquatic /terrestrial habitat, stream stability
improvement, and erosion reduction. The uplift of these stream functions specifically requires:
• Protecting and improving water quality through the removal or minimization of the
biological, chemical, and physical stressors,
o reducing sediment input into the stream from erosion,
Final Little Buffalo Creek Stream Mitigation Plan Page I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
o reducing non -point pollutant impacts by removing livestock access (including
restoring forested buffer,
o protecting headwater springs
Improving aquatic and terrestrial wildlife habitat,
o moderating stream water temperatures by improving canopy coverage over the
channel; and,
o restoring, enhancing, reconnecting, and protecting valuable wildlife habitat.
Restore floodplain connectivity
o reestablishing floodplain connection thereby dissipating energy associated with flood
flows.
In addition to the ecological uplift that the project will provide to the Site through the
improvement of the stream functions, this project establishes the following environmentally
advantageous goals:
• providing a water source for livestock removed from the stream and riparian corridor;
• reducing the number of locations that livestock are able to cross the stream; and
• providing a safe and environmentally appropriate stream crossing points for livestock.
In order to achieve the project goals, Berger proposes to accomplish the following objectives:
• fence the cattle out of the stream and riparian corridor,
• remove invasive vegetative species from the riparian corridor,
• restore and enhance unstable portions of the stream,
• preserve the stream channel and banks through a conservation easement, and
• plant the riparian corridor with native tree and shrub vegetation.
The expected ecological benefits and goals associated with the Little Buffalo Creek site
mitigation plan serve to meet objectives consistent with the resource protection objectives
detailed in the Yadkin -Pee Dee River Basinwide Water Quality Plan, 2008.
Final Little Buffalo Creek Stream Mitigation Plan Page 2

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
2. Proiect Site Identification and Location
Berger proposes to restore the Little Buffalo Creek Stream Mitigation Site (Site) in Cabarrus
County, North Carolina to provide the North Carolina Ecosystem Enhancement Program
( NCEEP) with approximately 6,557 stream mitigation units needed to compensate for projects
occurring within the Yadkin -Pee Dee River basin. This Restoration Plan describes existing
project site conditions and details the restoration process. This report continues the regulatory
review process through the NCEEP.
The Little Buffalo Creek Stream Mitigation Site consists of six reaches along the mainstem
and seven unnamed tributaries (UTs) (Figure 1). The mainstem of Little Buffalo Creek as well
as UT 4 and UT 7 are perennial streams. The remainder of the UTs are intermittent.
Photographs of each reach and UT can be found in Appendix 1 and North Carolina Division of
Water Quality ( NCDWQ) Stream Classification Forms can be found in Appendix 3. This
stream mitigation project includes reaches of restoration, enhancement, and preservation along
the mainstem and its associated UTs. In total, the Site will provide 13,641 linear feet of
restoration, enhancement, and preservation. At a 1:1 ratio for restoration, 1.5:1 for
enhancement level I, 2.5:1 for enhancement level II, and a 5:1 ratio for preservation, the
NCEEP will receive approximately 6,679 stream mitigation units from the Site. In addition,
approximately 47 acres of riparian buffer will be protected within a conservation easement.
2.1. Directions to the Project Site
From Raleigh: follow US -1 south. Merge onto US -64 W via Exit 98B toward
Pittsboro /Asheboro. Stay on US -64 for approximately 62 miles. Turn left onto NC -49. Turn
right onto NC -49 S. Turn right onto Stokes Ferry Road. Turn left onto Old Beatty Ford Road.
Turn left onto St. Stephen Church Road. Turn right onto Old Mine Road. The upper and
middle sections of the project can be accessed by parking on Old Mine Road. The lower
sections of the project can be accessed by parking on Kluttz Road.
2.2. USGS Catalog Unit, Hydrologic Unit Code and NCDWQ River Basin Designation
The Site is located in Cabarrus County southwest of the Town of Gold Hill, in the Rocky River
basin, US Geologic Survey (USGS) Catalog Unit (CU) 03040105 (Hydrologic Unit Code
(HUC) and Targeted Local Watershed (TLW): 03040105020060), of the Yadkin -Pee Dee
River basin (Figure 1). Streams in the uppermost reach of the Rocky River watershed,
including Little Buffalo Creek, are located primarily in the Southern Outer Piedmont
ecoregion. They are characterized by sandy substrates and generally consistent summer flow
regimes (Griffith et al. 2002). The Rocky River, the largest tributary of the Yadkin River,
flows for approximately 25 river miles from its headwaters near Mooresville in Iredell County
to its confluence with Irish Buffalo Creek in Cabarrus County. Outside of this region's
numerous small urban areas, land use is primarily agricultural ( NCDWQ 2007).
According to the NCDWQ 2008 Yadkin Pee -Dee River Basin Plan, 13 benthic and 21 fish
sites were sampled as part of the five -year basinwide sampling program. Of the sites that were
sampled in both 2001 and 2006, over 30 percent declined in bioclassification while just 20
percent showed an improvement. Further, the total number of samples increased by 41 percent
and corresponded to a 37 percent increase in the number of impaired sites. This suggests that
as further investigations are performed, more water quality problems are uncovered. In
response to existing impacts from agricultural land uses and anticipated residential growth, the
Little Buffalo Creek Stream Restoration Plan Page 3

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
NCEEP targeted the Rocky River Watershed for water quality and habitat quality
improvements (NCEEP 2009b).
The site is located in Targeted Local Watershed (TLW) 03040105020060. By the year 2015,
the population within this area is expected to increase by 4000. According to the 2009 Lower
Yadkin Pee Dee River Basin Restoration Priorities Report (NCEEP 2009b), the goals for CU
03040105, which encompasses this watershed, include: improved management of stormwater
runoff, protection of threatened and endangered wildlife resources, continued mitigation of
impacts resulting from rapid urbanization, and restoration of water quality in DWQ- identified
impaired streams.
2.3. Project Vicinity
Located in Cabarrus County, North Carolina, the Site is approximately 12 miles east of
Kannapolis and two miles southwest of Gold Hill. The Site starts at the Rowan/ Cabarrus
county line (Figure 1).
2.4. Project Components and Structure
A summary of the project components is available in Table 1 and Figure 3 displays mapped
soils and proposed mitigation.
Reach 1 begins at the Rowan/ Cabarrus county line and continues 2,300 feet south until Old
Mine Road bridge. The existing riparian buffer extends approximately 10 feet on both sides.
Both sides of the bank are open to cattle pasture. The floodplain is generally flat and slopes
upward to the east and west from each streambank. Soils along this reach are Chewacla sandy
loam (Ch), Tatum silt loam (2 -8 percent slopes) (TaB), and Goldston very channery silt loam
(15 -45 percent slopes) (GoF) (USDA 2009a). Reach 1 will include restoration and
enhancement level IL The restoration component will provide stable channel geometry and
improvement in water quality, and aquatic and terrestrial wildlife habitat. Enhancement level II
will provide improved water quality through the removal or minimization of the biological,
chemical, and physical stressors. This effort will also improve aquatic and terrestrial habitat
over time as invasive species are removed and natural species returned.
Reach 2 begins just below the Old Mine Road bridge and continues downstream for 1,248
feet. The existing riparian buffer extends approximately 10 feet on both sides. Both sides of the
bank are open to cattle pasture. The floodplain is generally flat and slopes upward to the east
and west from each streambank. Soils along this reach are Chewacla sandy loam (Ch) and
Goldston very channery silt loam (15 -45 percent slopes) (GoF) (USDA 2009a). Reach 2 will
include enhancement level II efforts.
Reach 3 begins where Reach 2 ends and continues 1,075 feet south to UT4. The existing
riparian buffer extends approximately 10 feet on the west stream bank, but is more forested
along the east bank. Both sides of the bank are open to cattle pasture. The floodplain is
generally flat and slopes upward to the east and west from each streambank. Soils along this
reach are Chewacla sandy loam (Ch) (USDA 2009a). Reach 3 will include restoration for the
central portion and enhancement level II for the upper and lower portions.
Reach 4 begins at UT 4 and continues 841 feet south to UT 3. The existing riparian buffer
extends approximately 10 feet on both sides. Both sides of the bank are open to cattle pasture.
The floodplain is generally flat and slopes upward to the east and west from each streambank.
Little Buffalo Creek Stream Restoration Plan Page 4

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Soils along this reach are Chewacla sandy loam (Ch) (USDA 2009a). Reach 4 will include
enhancement level I and enhancement level II. Enhancement level I provides improved water
quality through the removal or minimization of the biological, chemical, and physical
stressors. Additionally, this effort will improve aquatic and terrestrial wildlife habitat over time
as invasive species are removed and natural species are returned.
Reach 5 begins at UT 3 and continues for 952 feet past UT 5 and UT 6. The existing riparian
buffer extends approximately 10 feet on both sides. Both sides of the bank are open to cattle
pasture. The floodplain is generally flat and slopes upward to the east and west from each
streambank. Soils along this reach are Chewacla sandy loam (Ch) (USDA 2009a). Reach 5 will
include enhancement level I and enhancement level II.
Reach 6 begins where Reach 5 ends and extends 2,053 feet to the end of the mitigation reach at
Kluttz Road. The existing riparian buffer extends approximately 10 feet on the west bank, but
is more forested on the east bank. The west bank is open to cattle pasture. The floodplain is
generally flat and slopes upward to the east and west from each streambank. Soils along this
reach are Chewacla sandy loam (Ch) (USDA 2009a). Reach 6 consists of only preservation.
UT 1, north of the first cattle crossing, flows into Reach 1 from the west. Only 109 feet of this
reach upstream of the confluence with Little Buffalo Creek will be enhanced as the landowner
was unwilling to allow more for this project. There is no riparian buffer and both sides of the
bank are open to cattle pasture. Soils along this reach are Chewacla sandy loam (Ch) (USDA
2009a). UT 1 will include enhancement level II.
UT 2 flows into Reach 2 from the west. This reach extends 951 feet from the pond outlet to the
mainstem of Little Buffalo Creek. For 336 feet below the pond, the existing riparian buffer is
greater than 50 feet wide on each side of the bank. Below that point, there is no riparian buffer.
This area is open to cattle pasture. Soils along this reach are Chewacla sandy loam (Ch)
(USDA 2009a). The section of the reach with the riparian buffer will include preservation,
while the section below will include enhancement level II.
UT 3 flows into the end of Reach 4 from the west. Mitigation for this reach starts at Old Mine
Road and continues 1,475 feet to the mainstem. There is no existing riparian buffer and both
banks are open to cattle pasture. Soils along this reach are Chewacla sandy loam (Ch),
Georgeville silty clay loam (2 -8 percent slopes) (Geb2), and Badin channery silt loam (8 -15
percent slopes) (BaD) (USDA 2009a). UT 3 will include restoration, enhancement level I and
enhancement level II.
UT 4 flows into the end of Reach 3 from the east and will be mitigated for approximately 828
feet. The existing riparian buffer extends approximately 10 feet on the south bank, but is
forested along the north bank. The south bank is open to cattle pasture. Soils along this reach
are Chewacla sandy loam (Ch) and Goldston very channery silt loam (15 -45 percent slopes)
(USDA 2009a). UT 4 will include enhancement level I and enhancement level II.
UT 5 flows into Reach 5 from the east. The riparian buffer is intact along the north bank of the
stream, but the south bank is open to cattle pasture. Soils along this reach are Goldston very
channery silt loam (15 -45 percent slopes) (GoF) and Chewalca sandy loam (0 -2 percent
slopes) (Ch) (USDA 2009a). Mitigation for UT 5 will include approximately 184 feet of
enhancement level II.
Little Buffalo Creek Stream Restoration Plan Page 5

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
UT 6 also flows into Reach 5 from the east. The riparian buffer is intact for a portion upstream
along the south bank. The north bank is open to cattle pasture. Soils along this reach are
Goldston very channery silt loam (15 -45 percent slopes) (GoF) and Chewalca sandy loam (0 -2
percent slopes) (Ch) (USDA 2009a). Mitigation for UT 5 will include approximately 151 feet
of enhancement level II.
UT 7 is a larger tributary flowing into Reach 6 from the west. The existing riparian buffer
extends approximately 10 feet from each bank. Stream geometry is severely incised. Soils
along this reach Chewalca sandy loam (0 -2 percent slopes) (Ch) (USDA 2009a). The original
length of UT 7 is approximately 1,374 feet. Mitigation consists of restoration This restoration
effort also includes a short segment of UT 8. The lower half of the stream's geometry is
severely incised because of head cutting due to the incision of UT 7. The flow from the UT 8
to UT 7 will be redirected to join UT 7 at a new location upstream of the current confluence
and at a more natural elevation.
3. Watershed Characterization
3.1. Drainage Area
The Little Buffalo Creek Stream Mitigation project has a total drainage area of approximately
4,039 acres (Figure 2). The watershed is mostly agricultural with forested areas. UT 1 has a
drainage area of approximately 293 acres, UT 2 has 193 acres, UT 3 has 62 acres, UT 4 has
254 acres, UT 5 has 8 acres, UT 6 has 16 acres, and UT 7 has 1,222 acres. Little Buffalo Creek
flows south into Dutch Buffalo Creek, which then flows into Reedy Creek. Reedy Creek flows
to the Rocky River, which eventually drains into the Yadkin Pee -Dee River. Table 4 in Section
12 displays the drainage area, easement area, and surface water classification associated with
each project reach.
3.2. Surface Water Classification / Water Quality
The CU 03040105 subbasin is located adjacent to the City of Charlotte where rapid
development and limited stream waste assimilation capacity is having a major impact on water
quality. Of the monitored waters, 29 percent are supporting and 65 percent are impaired. New
impairments corresponded with an increase in number of sample sites, indicating as more
monitoring is done more water quality problems will likely be detected. A macro - benthos
survey specifically for the Site was completed in October 2010. The results from the survey are
included in Appendix 10.
The network of ambient monitoring sites in the Rocky River watershed indicate that turbidity
and nutrients (nitrogen and phosphorus) are notably higher in this area than in other parts of
the Yadkin — Pee Dee River basin. Fecal coliform bacteria, iron, and copper are also pollutants
of concern in this watershed. Iron and copper occur naturally in the soils of this region and
further investigation is needed to determine the groundwater contribution of these metals to
surface waters. Other possible sources include nonpoint source runoff from urban areas and
waste land - application sites. Land use in this subbasin is mostly comprised of cultivated
cropland, although there are large numbers of swine and poultry operations (NCEEP 2009b,
NCDWQ 2008a).
• Water Supply Watershed
The Little Buffalo Creek Stream Mitigation Site is not located within a water supply
watershed. Little Buffalo Creek is classified as C: freshwaters protected for
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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secondary recreation, fishing, aquatic life including propagation and survival, and
wildlife ( NCDWQ 2010). Several segments of Dutch Buffalo Creek as well as
several tributaries to Dutch Buffalo Creek are listed as High Quality Waters (HQW).
These segments are downstream of Little Buffalo Creek.
Pollution Sources within the Subbasin
Subbasin CU 03040105 has eight major and 45 minor facilities with National
Pollutant Discharge Elimination System (NPDES) permits to discharge wastewater
into its waterways. All major and minor facilities are either located downstream of
Little Buffalo Creek or in other watersheds. No facilities are located on Dutch
Buffalo Creek. In 2001, a fish community (F -8) was sampled at SR 2622 (NC 200)
and rated `Good.' In 2004, the community was resampled and dropped to a `Good -
Fair' rating ( NCDWQ 2007).
303d- Listed Stream or Watershed
Several streams are listed as impaired on the 2008 final 303d list within the CU
03040105. Many streams listed as impaired occur within the Charlotte, Concord,
and Kannapolis vicinity. No streams are listed as impaired within the Dutch Buffalo
Creek watershed, upstream of its confluence with Reedy Creek. The entire stretch of
the Rocky River within the 03040105 watershed is listed as impaired due to copper
and turbidity ( NCEEP 2009b, NCDWQ 2008b).
NCWRP Targeted Watershed
Several 14 digit HUCs of 03040105 are listed as NCEEP Targeted Local
Watersheds, including HUC 03040105020060 ( NCEEP 2009b).
Significant Natural Heritage Area
A significant natural heritage area is an area that contains one or more threatened or
endangered species or exemplifies a naturally occurring ecological community that
exists within North Carolina. Within the HUC Subbasin 03040105020060, the
Natural Heritage Program (NCNHP) has identified nine significant natural heritage
areas and one managed area (NCDENR 2010):
o Butcher Branch Forest is located 3.3 miles south of the Site;
o Charity Church Hardwood Forest is located 4.6 miles southwest of the Site;
o Dutch Buffalo Creek Aquatic Habitat is located 4.7 miles southwest of the
Site;
o Dutch Buffalo Creek Dam is located 3.1 miles southwest of the Site;
o Georgeville Sunflower Site is located 13.5 miles southwest of the Site;
o Lower Butcher Branch Depression Swamps are located 2.1 miles south of
the Site;
o Miami Church Hill Rare Plant Site is located 12 miles southwest of the Site;
o Stephens Church Forest is located 12.5 miles southwest of the Site;
o Walker Road Hardpan Forest is located 7.8 miles southwest of the Site; and
o The Gold Hill Rail Trail (managed area) is located 0.15 miles northeast of
the Site.
3.3. Physiography, Geology, and Soils
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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The Site is located within the Carolina Slate Belt ecoregion of the Piedmont physiographic
province of North Carolina, along the edge of the Southern Outer Piedmont ecoregion. The
Carolina Slate Belt extends from southern Virginia, across the Carolinas, and into a small part
of eastern Georgia. The mineral -rich metavolcanic and metasedimentary rocks with slatey
cleavage tend to be finer- grained and less metamorphosed than other parts of the Piedmont
(except for the Triassic Basins) and is somewhat less resistant to erosion.
The Carolina Slate Belt has been an important region of mineral production and is thought to
have the potential for containing undiscovered deposits of gold and silver, as well as copper,
lead, zinc, molybdenum, and tin. The volcanic slates are deeply weathered in places forming
clay and shale, and soils generally have high silt contents. The more silty and silty clay soils of
the Carolina Slate Belt contrast with the loam and sandy loam soils often found in other parts
of the Piedmont. Streams tend to dry up and water yields to wells are low as this region
contains some of the lowest water- yielding rock units in North Carolina (Griffith et al. 2002).
The Southern Outer Piedmont extends from Alabama, across large portions of the Georgia and
South Carolina Piedmont, and into northern North Carolina. It covers the middle portion of the
North Carolina Piedmont in the south. The ecoregion has lower elevations, less relief, and less
precipitation than the Southern Inner and Northern Inner Piedmont ecoregions, and tends to
have more cropland than those Inner Piedmont regions. The landform class is mostly irregular.
Gneiss, schist, and granite are typical rock types, and the rocks are intensely deformed and
metamorphosed.
Streams within each area are affected by the soils, geology, vegetation, and topography
characteristic of the physiographic region. Overall, streams in the Southern Outer Piedmont
ecoregion are characterized by sandy substrates and generally consistent summer flow regimes,
while streams in the Carolina Slate Belt are characterized by low summer flows, extensive
bedrock formations, and the prevalence of boulder and cobble substrate. The characteristics of
the regional geology is expressed within the Little Buffalo Creek project reach through its
eroding banks where the stream has carved out the moderately erodible soils and at halted
headcuts where the stream degraded to bedrock.
3.4. Historical Land Use and Development Trends
As specified in the NCDWQ Basin Plan and the NCEEP River Basin Restoration Priorities
Report, this subbasin is located adjacent to the City of Charlotte where rapid development and
limited stream waste assimilation capacity is having a major impact on water quality. Thirteen
benthic and 21 fish sites were sampled as part of the five -year basinwide sampling program.
NCDWQ's biological and ambient data indicate streams in urbanizing areas of the Rocky
River Watershed are demonstrating negative water quality impacts ( NCDWQ 2008a, NCEEP
2009b). Of the sites that were sampled in both 2001 and 2006, over 30 percent declined in
bioclassification while just 20 percent showed an improvement. As further investigations were
performed as part of the sampling program, more water quality problems were uncovered.
In response to existing impacts from agricultural land uses and anticipated residential growth,
the NCEEP targeted the Rocky River Watershed for water quality and habitat quality
improvements. The severe bank erosion, shifting sandy substrates, channelization, and
sedimentation point to an overall pattern of habitat degradation in the watershed. In addition,
turbidity violations are common throughout the Rocky River watershed. It is likely that a
combination of human caused land disturbances and natural erosion are causing the majority of
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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turbidity violations in this watershed, with human causes being the leading contributor
(NCEEP 2009b, NCDWQ 2008a).
WARSSS Anal
In addition to the standard analysis, the Environmental Protection Agency's (EPA) Watershed
Assessment of River Stability and Sediment Supply ( WARSSS) Reconnaissance Level
Assessment (RLA) methodology was used as a basis to conduct a table top assessment of Little
Buffalo Creek. This methodology examines land and river management activities and attempts
to identify sediment sources and channel stability problems linked to these activities.
Multiple data sets were compiled to aide in this assessment, including USGS topographic
maps, high altitude aerial photography, and US Department of Agriculture, Natural Resources
Conservation Service (USDA NRCS) soils data. Synthesis of the data was done using ESRI
ArcMAP GIS software. A comparative analysis was done using aerial photography from 1983
and 2005/2006 to determine if trends could be identified as influencing river stability and
sediment supply (USDA 1983; USDA 2005; USDA 2006). (Aerial photography was available
from 2005 for Cabarrus County and from 2006 for Rowan County. The timeframe
encompassing both sets of aerial photography will herein be referred to as 2006.) The 4,039 -
acre Little Buffalo Creek watershed was divided into two sub - watersheds, UT 7 and the main
stem of Little Buffalo Creek for this analysis.
WARSSS Exhibit 1. Size o f Little Buffalo Creek watershed and sub - watersheds.
Analyses conducted as part of the WARSSS analysis are summarized below.
• Riparian Buffer Evaluation
LBG applied a 300 -foot buffer to the centerline of the stream features to determine
the extent of the riparian zone within each reach.
• Bedload Transport Sampling
Conducted bed load sampling (via buckets buried side by side through the length of
each cross section) to confirm sediment transport calculations.
Land Use Anal
Land use polygons were digitized from 1983 and 2006 aerial photography to satisfy
spatial analysis requirements (USDA 1983; USDA 2005; USDA 2006). The land
use analysis found that the acres of forested land, the miles of roadways, the area of
surface mining, the number of structures, and the number of water impoundments
increased within the Little Buffalo Creek watershed from 1983 to 2006. Detailed
results for land use analysis are presented in Exhibit 2.
WARSSS Exhibit 2. Little Buffalo Creek land use /land cover analysis
Little Buffalo Creek Stream Restoration Plan Page 9
Little Buffalo
Main Stem Sub-
UT 7
Creek
Watershed
Sub - Watershed
Watershed
Total Size (acres)
4,039
2,817
1,222
300 ft Riparian
Buffer (acres)
1,526
1,026
500
Analyses conducted as part of the WARSSS analysis are summarized below.
• Riparian Buffer Evaluation
LBG applied a 300 -foot buffer to the centerline of the stream features to determine
the extent of the riparian zone within each reach.
• Bedload Transport Sampling
Conducted bed load sampling (via buckets buried side by side through the length of
each cross section) to confirm sediment transport calculations.
Land Use Anal
Land use polygons were digitized from 1983 and 2006 aerial photography to satisfy
spatial analysis requirements (USDA 1983; USDA 2005; USDA 2006). The land
use analysis found that the acres of forested land, the miles of roadways, the area of
surface mining, the number of structures, and the number of water impoundments
increased within the Little Buffalo Creek watershed from 1983 to 2006. Detailed
results for land use analysis are presented in Exhibit 2.
WARSSS Exhibit 2. Little Buffalo Creek land use /land cover analysis
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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Soils Anal
Potentially erodible soil within the Little Buffalo Creek watershed were identified
soils using NRCS web soil surveys for Cabarrus and Rowan Counties (USDA 2010),
as well as soil survey area shapefiles obtained from the Soil Data Mart
( http : / /soildatafnart.nres.usda.gov) (USDA 2009a; USDA 2009b). A soil type was
identified as "erodible" if it had an erosion factor of moderate or severe. Detailed
results for soil analysis can be found in Exhibit 3.
WARSSS Exhibit 3. Little Buffalo CreekHiQhly Erodible Soils Analysis
Little Buffalo Bufffalo
Main Stem
Main Stem Sub-
UT 7
Watershed
Sub - Watershed
Sub - Watershed
1983
2006
1983
2006
1983
2006
1983
Forested Land (ac)
2,152
2,300
1,451
1,531
701
800
Forested land: 300 ft
511
119
119
Erodible Soils - 300 ft
Riparian Buffer (ac)
1,033
1,089
658
690
375
399
Non - Forested Land (ac)
1,872
1,694
1,325
1 1,245
547
448
Non - Forested Land: 300
Soils (ac)
452
487
ft Riparian Buffer (ac)
493
437
368
336
125
101
Mines /Quarries (ac)
2.1
31.6
0
26.5
2.1
7.1
Roads (miles)
18.2
30.3
11.6
21.6
6.6
8.7
House /Structures
179
1 385
108
262
1 71
1 123
Soils Anal
Potentially erodible soil within the Little Buffalo Creek watershed were identified
soils using NRCS web soil surveys for Cabarrus and Rowan Counties (USDA 2010),
as well as soil survey area shapefiles obtained from the Soil Data Mart
( http : / /soildatafnart.nres.usda.gov) (USDA 2009a; USDA 2009b). A soil type was
identified as "erodible" if it had an erosion factor of moderate or severe. Detailed
results for soil analysis can be found in Exhibit 3.
WARSSS Exhibit 3. Little Buffalo CreekHiQhly Erodible Soils Analysis
Conclusions
From this table top exercise one can conclude that watershed processes are not likely the cause
of channel instability within the main stem sub - watershed. From 1983 to 2006 the sub -
watershed experienced a doubling in the number of house /structures and an increase in miles
of roads. These increases were relatively insignificant relative to the size of the sub - watershed.
The main stem sub - watershed remains rural without significant urbanization. Land use did not
Little Buffalo Creek Stream Restoration Plan Page 10
Little Buffalo Bufffalo
Main Stem Sub-
UT 7
Watershed
Watershed
Sub - Watershed
1983
2006
1983
2006
1983
2006
Erodible Soils (ac)
630
630
511
511
119
119
Erodible Soils - 300 ft
Riparian Buffer (ac)
382
382
302
302
80
80
Forested Erodible
Soils (ac)
452
487
349
376
104
111
Non - Forested
Erodible Soils (ac)
178
143
163
136
15
8
Forest Erodible Soils:
300 ft Riparian
Buffer (ac)
289
314
216
237
1 73
77
Non - Forested
Erodible Soils: 300 ft
Riparian Buffer (ac)
93
68
85
645
8
3
Conclusions
From this table top exercise one can conclude that watershed processes are not likely the cause
of channel instability within the main stem sub - watershed. From 1983 to 2006 the sub -
watershed experienced a doubling in the number of house /structures and an increase in miles
of roads. These increases were relatively insignificant relative to the size of the sub - watershed.
The main stem sub - watershed remains rural without significant urbanization. Land use did not
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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significantly change. The sub - watershed did not experience a significant change in the size or
number of impoundments. These factors make it likely that watershed driven hydrological
processes are not the source of channel of instability.
A 26.5 acre quarry was constructed between 1983 and 2006 within the sub - watershed, but this
acreage is less than one percent of the sub - watershed size. This quarry is not likely a
significant source of sediment to the stream. Furthermore, erodible soils, both within and
outside the 300 -foot riparian buffer, experienced a slight increase in forested land use. It is not
likely that land use changes are leading to watershed -driven sediment supply and, therefore, is
not likely a major factor leading to channel instability.
It is unlikely that UT 7 sub - watershed has experienced significant changes in watershed
processes leading to stream instability. UT 7, similar to the main stem sub - watershed,
experienced a doubling in the number of house /structures, but only a two mile increase in
roadways. Both of these are insignificant relative to the sub - watershed size. The number or
size of impoundments did not significantly change between 1983 and 2006. UT 7 experienced
a slight (non - significant) increase in forested acres. This suggests that, as within the main
stem, watershed driven hydrological processes are not the source of channel instability.
UT 7 did not experience watershed changes leading to an increase in sediment supply. The
mine within the sub - watershed increased in size by five acres; this is insignificant when one
considers that the sub - watershed is over 1,200 acres in size. Land use on erodible soils did not
significantly change. Forested land on erodible soils slightly increased within the 300 -foot
riparian buffer, as well as in the sub - watershed as a whole. This suggests that watershed
driven sediment supply is not contributing to channel instability.
From this table top exercise it appears that the Little Buffalo Creek watershed is not
experiencing significant watershed driven processes leading to channel instability. The
watershed has not experienced significant changes in hydrological processes or land use
changes leading to changes in sediment supply. It is likely that localized processes, (i.e. cattle
grazing and direct stream access), and /or localized stream features (i.e. undersized culverts)
that are the major forcing functions driving channel instability.
3.5. Endangered / Threatened Species
The US Fish and Wildlife Service (USFWS) and NCNHP listed two species for Cabarrus
County that are offered protection by the Endangered Species Act of 1973, as amended
(USFWS 2008 and NCNHP 2010). Species listed are the Carolina heelsplitter (Lasmigona
decorata) and the Schweinitz's sunflower (Hehanthus schweinitzii). Both species are listed as
endangered.
Suitable habitat for the Carolina heelsplitter includes mud, muddy sand, or muddy gravel
substrates in streams and rivers along stable, wellshaded stream banks (USFWS 2008).
Suitable habitat for the Schweinitz's sunflower includes roadsides, power line clearings, old
pastures, woodland openings and other sunny or semi -sunny situations (USFWS 2008). The
project area includes degraded stream channels with little riparian vegetation and poor water
quality from nutrient loading. The majority of the mainstem of Little Buffalo Creek and its
UTs are open to cattle pasture. Due to the Site's disturbed nature, suitable habitat for the
Carolina heelsplitter and Schweinitz's sunflower is not anticipated to occur on Site. In
addition, the NCNHP shapefile did not indicate any federally threatened or endangered species
within a mile of the Site (NCDENR 2010).
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A letter was sent to the USFWS dated November 16, 2009 requesting any known information
on these species in the county. No response was received; therefore; it is assumed that the
USFWS does not have any comments nor do they have information relevant to this project. A
copy of the letter sent to USFWS can be found in Appendix 11.
3.6. Cultural Resources
Berger conducted a cultural resources records review for the Site on November 24, 2009. The
archaeological field work was conducted from January 6 through January 7, 2010. The official
archaeological site inventory and National Register files at the North Carolina State Historic
Preservation Office (SHPO) and the Office of State Archaeology (OSA) in Raleigh were
reviewed for the presence of previously recorded archaeological sites and historical properties
within the boundaries of the parcel that contains the Site and within a one mile radius of that
location. No previously recorded archaeological sites are located within one mile of the Site.
The Daniel Isenhour House and Farm (District 40000392) is the only nearby architectural
property listed on the National Register of Historic Places. The proposed project is not
expected to have an effect on the ca. 1843 house or the contributing outbuildings and
landscape. No other architectural properties determined eligible, or under consideration, for
inclusion in the National Register of Historic Places are located within one mile of the Site.
Outside the project boundary, the remains of a gold mine, identified as the Whitney Mine in
Cabarrus County Architectural Survey files, is present immediately above one of the unnamed
tributaries proposed for preservation. The mine depression has been converted into a pond
through the construction of an earthen dam.
Fieldwork included a pedestrian reconnaissance of the Site. This was accomplished by walking
the perimeter of the Site. Locations with good surface visibility, such as cutbanks, exposed
ground surfaces, and erosional features, were also inspected in order to identify structural
remains, cultural deposits, and any other cultural features. The area was photographed and its
topographic and vegetative characteristics noted. A total of three shovel tests were excavated
within the boundaries of the Site. An additional shovel test was excavated in the vicinity of the
mine. Shovel Test 1 was excavated in a pasture along the level upper reaches of the project
marked for restoration. Shovel Test 2 was excavated in a sparsely wooded area near the center
of the project area. Shovel Test 3 was excavated on the grassy slope overlooking the old mine.
Shovel Test 4 was excavated in an area of tall grass and weeds near the confluence of the creek
and its southern most tributary in the project area. No artifacts were collected in Shovel Test
pits 2, 3, and 4. The location of Shovel Test 1 has been temporarily designated an
archaeological site (Temp Site 4555 -1). The artifacts recovered from Shovel Test 1 include
rhyolite early reduction flakes, a rhyolite biface reduction flake, and an unidentified chert flake
showing possible signs of utilization. Although much of the terrain along the eastern bank of
Little Buffalo Creek is steeply sloped, the northern, western, and southern portions of the
project area are characterized by floodplains sufficiently wide for human occupation. The
presence of prehistoric artifacts suggests there is a moderately high potential for additional
prehistoric cultural resources within the project boundary.
A letter summarizing the findings of the cultural resources records review and the
archaeological reconnaissance was submitted to the NC SHPO on January 22, 2010. A
response letter, dated February 2, 2010, from the NC SHPO stated that "We have conducted a
review of the project and are aware of no historic resources which would be affected by the
project. Therefore, we have no comment on the project as proposed." As a result, no further
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investigations were performed. Letters of coordination, including the NC SHPO concurrence,
are provided in Appendix 11.
These findings were also summarized in the Categorical Exclusion (CE) document submitted
March 8, 2010. The CE was approved on March 23, 2010 for the Little Buffalo Creek Stream
Mitigation Project and a copy of this approval is provided in Appendix 11. Therefore, the
proposed project is not likely to affect cultural resources.
3.7. Discharge
A flow meter was used to take flow measurements at various stages at the reference reach and
at UT 7. A rough stage discharge curve was created, but high flows did not occur during the
sampling period, limiting the utility of this data. Roughness coefficients were calculated using
velocity, slope, and flow area data collected during the field effort and used in the hydrologic
and hydraulic modeling effort.
3.8. Potential Constraints
3.8.1. Property Ownership and BoundanX
The Site is enrolled in a perpetual conservation easement held by the state of North Carolina.
Documentation of this enrollment and the property boundary survey are provided in Appendix
12. The conservation easement is also mapped on the design plan sheets found in Section 14.
3.8.2. Site Access
The northern portion of the Site can be accessed from Old Mine Road. The southern portion of
the Site can be accessed from Kluttz Road. Areas requiring work can also be accessed through
several pastures on Site. It is not anticipated that site access would act as a constraint.
3.8.3. Utilities
Based on a deed and title search, in addition to landowner input, there are no known utility
right of ways that traverse the Site.
3.8.4. FEMA / Hydrologic Trespass
There are no Federal Emergency Management Act (FEMA) studied streams within the project
reach and; therefore, FEMA coordination is not anticipated for this project. H &H models were
used to confirm that there will be no hydrologic trespass as a result of this project. The results
are provided in Appendix 8.
4. Proiect Site Streams - Existin2 Conditions
4.1. Existing Conditions Survey
The Site is comprised of the mainstream of Little Buffalo Creek from its entrance into
Cabarrus County southward to its crossing of Kluttz Road at the downstream end of the Site.
Four first order tributaries, two second order tributaries, and one third order tributary feed the
mainstem from parcels belonging to three landowners. The upstream two thirds of the
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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mainstem are flanked by sparse vegetation, with the exception of one short reach. The
downstream third of the Site is stable and well buffered.
Within the project site Little Buffalo Creek is a predominantly a Rosgen C -type channel. Little
Buffalo Creek is a second order stream until its confluence with UT 1. From UT 1 to UT 7,
Little Buffalo is a third order stream. The mainstem turns into a fourth order stream at its
confluence with UT 7. Representative photos of the reaches of Little Buffalo Creek are
provided in Appendix 1. The upstream two thirds of the mainstem of Little Buffalo Creek are
primarily characterized by a vertically stable stream channel with a cobble /gravel substrate and
numerous bedrock outcroppings. Portions of the mainstem are laterally unstable as evidenced
by a bankfull width range of approximately 10 feet to more than 30 feet in areas with little
persistent vegetation. Comparable bankfull widths within stable, preservation reaches range
from 20 to 25 feet. Some sections of the mainstem have fairly good vegetation; however,
unimpeded cattle access has reduced the ability of existing vegetation to absorb stream energy
resulting in over widened channel dimension.
Within this upper section many of the small UTs originate from small farm ponds or springs
located onsite. Seven UTs will receive some level of mitigation as part of the project.
Currently cattle have access to all of the tributaries and only half of them have any vegetation
beyond grass.
Land cover immediately to the north and south of the Site is primarily forest. Further upstream
and downstream there are large agricultural fields adjacent to the creek. The majority of the
Site is in cow pasture while the riparian areas consist of Piedmont /Mountain Bottomland
Forest with a sparse understory (Schafale and Weakley 1990).
The widths of the existing mature forest buffer along the segments of Little Buffalo Creek and
its tributaries vary but are generally forested immediately along the channel. The buffer is only
about 10 feet in width at many locations. More detailed descriptions of the individual project
reaches can be found in Section 2.4 above and in Section 4.1.5 below. Existing conditions are
also displayed on the design sheets found in Section 14.
4.2. Channel Classification
Stream Classification was performed using the Rosgen Classification System which is
predicated on combinations of morphological variables including dimension, pattern, profile,
slope, and available sediment.
Little Buffalo Creek is predominantly a "C4" stream type as the overwhelming majority of the
stream within the project reach has a width /depth ratio greater than 12 and has formed a
riffle /pool bedform sequence with a gravel bed. Much of the stream lies on bedrock and has a
fairly sinuous low flow channel. Stream banks are low but suffer instability, primarily due to
hoof shear from to cattle intrusion rather than shear stress. In a few short reaches the stream
narrows considerably due to a combination of lack of bedrock bed and fairly good bank
vegetation and would be considered and "E4" stream type, but these reaches make up a very
small fraction of the onsite length. Similarly there are a few small sections of stream that are
wider and more entrenched and would be classified an "F4" stream type.
The upper end of UT 7 is a wide flat stream as it exits the two culverts under Old Mine Road.
A head cut extends nearly half way from the confluence back to the culvert, UT 7 is an "F4"
stream type that is itself entrenched albeit not as much as the head cut section. The stream has
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
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cut down to bedrock and the beginnings of a "C4" stream type are starting to form within the
"F4" due to the vertical stability being provided by the rock and culvert. Downstream from the
confluence of UT 7 and the mainstem of Little Buffalo Creek, the stream narrows, and is even
more severely entrenched. The stream's side slopes are vertical and beginning to fall in on
themselves, slowly widening the stream.
The other stream reaches and tributaries are proposed to undergo enhancement or preservation
and therefore their classifications are listed in Table 4 instead of discussed here.
4.3. Valley Classification
Valley Classification was performed using the Rosgen Classification System. Both Little
Buffalo Creek and UT 7 were classified as having valley type 8 (Rosgen 1996). This valley
type is defined as long and broad with gentle relief, alluvial terraces and floodplains are the
predominant depositional landforms and most often stream type "C" and E" form riffle /pool
bedforms (Rosgen 1996).
UT 5 and UT 6 were not classified as they are spring fed and have valleys of less than 200 feet.
Similarly the portion of UT 1 being protected was less than 200 feet and therefore was also not
classified.
UT 2, UT 3, and UT 4 were classified as having valley type IL This valley type is defined as
having moderate relief, moderate side slope gradients, and valley floors developed from parent
material alluvium and colluvium (Rosgen 1996). Due to low sediment supply, the stream type
"B" is most often found as the stable type within this valley and each of these tributaries
exhibits predominantly `B" streams.
4.4. Discharge
The bankfull discharge of Little Buffalo Creek and UT7 were calculated by calibrating
bankfull discharge at the nearby USGS Gage Station, gage 4 02125000 (Big Bear Creek near
Richfield, NC), and relating the flows comparing drainage areas (Rosgen 1996). Calibration of
return intervals considered 53 years of available data. The discharge associated with field
surveyed bankfull indicators corresponded with a return interval of approximately 1. 14 years.
Appendix 7 shows annual peak flows from 1955 -2007.
Bankfull discharge for Little Buffalo Creek was determined to be 115 cubic feet per second
(CFS) in the upstream restoration reach and 163 CFS in the lower restoration reach. UT 7 was
calculated to have a bankfull discharge of 96 CFS (UT 7 enters Little Buffalo Creek
downstream of the lower restoration reach).
The NC Regional Curve for Rural Piedmont streams was consulted as well; however, the curve
calculated data resulted in a flow that was field calibrated to a feature deemed to be inner
berm. This feature was fairly distinct and therefore was incorporated into the natural channel
design of both Little Buffalo Creek and UT 7.
4.5. Channel Morphology (pattern, profile)
A portion of Reach 1, a portion of Reach 3, and all of UT 7 are going to be fully restored with
a natural channel design that will result in the construction of a completely new channel in
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
each instance. Since the other reaches (enhancement and preservation) will receive less
manipulation of morphology only the three restoration reaches will be discussed in this section.
Reach 1
The portion of Reach 1 that is to be restored lies within a portion of the landscape that appears
to have been a pond at some point in time. At the upstream end of the reach, the stream
squeezes through an opening defined by a right bank of bedrock and a left bank that is several
feet higher than the surrounding grade. The left bank appears to be the remnants of the berm
that defined the back of the pond historically. The stream hugs the high bank on the right while
the left floodplain is low and flat as it was the old pond bed. The end of the reach is defined by
the stream taking a 90 degree right turn. The remnants of the stone dam are still present on the
terrace high above the left stream bank.
A comprehensive list of dimension measurements for the 438 feet of proposed restoration of
Reach 1 is shown in Table 5. The bankfull widths range from 46 to 83 feet and the width to
depth ratios range from 33 to 128. Since the stream was pushed up against the valley wall, it
has virtually no pattern, or a sinuosity of nearly 1.0, in this section. Similarly the stream rests
on bedrock for more than half its length, so there is not a common step -pool morphology found
in this reach.
Reach 1 (upstream limit of restoration reach) -Bedrock Bank on the right. (3/29/2010)
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Reach 1 (downstream limit of restoration reach) — Remnants of dam (circled). (12/9/2009)
Aerial photograph of the restoration limits of Reach 1. (4/2/2010)
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Reach 3
The portion of Reach 3 that is to be restored has been pushed up against the left wall of the
valley and has cut a vertical bank over time. In addition to being placed at the toe of the valley
slope, the restoration reach occurs in a section that is transitioning from one of the widest parts
of Reach 3 to some of the narrowest of Reach 3.
Reach 3 — restoration to begin where narrow channel leaves wide channel on left. (611812008)
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Reach 3 — restoration will relocate the restored channel to the right, away from steep bank.
(6/18/2008)
Reach 3 — restored channel will tie into narrower, stable channel downstream. (6/18/2008)
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
A comprehensive list of dimension measurements for Reach 3 is shown in Table 5. The
bankfull widths range from 34 to 48 feet and the width to depth ratios range from 19 to 40. The
entire restoration reach, 267 feet of stream, forms one long curve pushed up against the valley
wall and has no additional pattern to be measured. This portion of the reach rests on bedrock
so there is not a common step -pool morphology found in this reach. The bedrock is adding to
the stress on the high bank as the stream can no longer cut down to dissipate energy and
instead is migrating laterally.
UT 7
UT 7 is proposed as restoration. Though the mean bankfull depth is only a foot, the high
streambanks are over six feet deep in the shallow portions and over 10 feet deep in some areas.
In the upstream half of the reach the right bank is the low bank, about at the midpoint they
even out, and the downstream portion has the low bank on the left. The reach will be
reconnected just upstream of its current confluence and the cut from the new channel will be
used to fill much of the existing channel.
Since UT 7 has cut down to bedrock and reached vertical stability, consideration was given to
only performing streambank enhancement activities and allowing the channel to remain in
place. However, it was decided that the banks were too steep and the best design approach
would be to reestablish the channel on the historic floodplain in order to preserve the existing
mature vegetation. Both the H &H modeling and sediment transport analysis indicated the need
for a wider, shallower channel than what exists currently.
Placing the stream channel back onto the historic floodplain also allows for the creation of a
wider, shallower, and more sinuous channel more in character with the channel's natural
condition. Upstream of the culverts under Old Mine Road, the channel has a very high width to
depth ratio. Downstream of the two culverts, the channel has downcut to the bedrock and is
beginning to widen back to its equilibrium point, but has not yet reached the appropriate width.
Establishing the proper width to depth ratio would allow for a gradually changing flow and
sustainable sediment transport.
Also by raising the bed of the stream close to the invert of the culvert, there will no longer be a
drop of several feet from the invert of the downstream end of the culvert to the water's surface
in the scour pool. This proposed condition is better for fish passage through the culverts. The
increased bed elevation will not cause hydrologic trespass.
Currently, UT 8 joins enters UT 7just a few tens of feet below the confluence with Little
Buffalo Creek. Both UT 7 and UT 8 have downcut due to the elevation of the mainstem. UT 7
has cut all the way back to the culverts at Old Mine Road; UT8 has only headcut halfway back
to the road due to a bedrock outcropping in its halting the cut. A short portion of UT 8 will be
restored and connected to UT 7 further upstream in order to avoid raising its bed.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
UT 7 — The culverts under Old Mine Road are the upstream limit of the restoration reach.
(3/29/2010)
UT 7 — Looking downstream within the upper portion of UT -7. The higher bank is on the left
(3/29/2010).
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
UT 7 — Downstream section of UT -7 looking upstream right after a storm event. (12/912009)
A comprehensive list of dimension measurements for UT 7 is shown in Table 5. The bankfull
widths range from 20 to 30 feet and the width to depth ratios range from 20 to 32. Aside from
the initial plunge pool below the culverts, this entire reach is littered with bedrock and there is
a weak step -pool profile found. Even the low bank within the reach is several feet higher than
the bed. With the stream having reached bedrock it is now transferring the stress onto the
streambanks. With the depth of the channel now below the root zone of most trees, the added
shear stress and lack of roots has allowed the stream to start undercutting the stream banks in
some places. The stream is predominantly straight until after its confluence with its UT then it
has a gentle curve until it reaches the mainstem.
4.6. Channel Evolution
The mainstem of Little Buffalo Creek has likely been a "C4" channel for the recent past and
will continue for the foreseeable future. Much of it sits on bedrock and it is at the bottom of a
wide valley where it is not constrained so it is in a state of equilibrium except for a few places
where it has been moved or cattle have caused bank trauma.
The UT 7 channel likely started as a "C4" stream type that over the years has devolved into an
"F4" over the years in response to a combination of the farmers straightening it, the cattle
creating bank instability, and the increased flow due to mining practices directly upstream.
Through their evolution, both Little Buffalo Creek and UT 7 have downcut until they have
reached bedrock. In their unstable reaches, both streams have created vertical banks. Over time
these streams would undercut the banks causing them to fall in on the stream, lowering the
bank height as the stream attempts to reach a state of equilibrium by accessing its newly
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
formed floodplain. The design channels restore the state of equilibrium without having to
erode the existing landscape.
4.7. Channel Stability Assessment
The Bank Erodibility Hazard Index (BEHI) method was used to assess streambank stability
throughout the project site (Rosgen 2006). The majority of the mainstem of Little Buffalo
Creek rated as low or very low on the BEHI assessment. The exceptions being portions of the
stream that are to undergo restoration or enhancement level 1 mitigation; those reaches scored
as follows:
• Little Buffalo Creek Reach I(Restoration portion), BEHI rating of Very High
• Little Buffalo Reach 3 (Restoration portion), BEHI rating of Very High
• Little Buffalo Reach 4 (all of reach including concrete removal area), BEHI rating of
Moderate
The same is true for the tributaries; they had BEHI ratings of low or very low except for the
following reaches:
• UT -3 (E -I portions), BEHI rating of High
• UT -4 (E -I portions), BEHI rating of High
• UT -4 (E -II portions), BEHI rating of Moderate
• UT -7 (Lower Restoration portion), BEHI rating of High
• UT -7 (Upper restoration portion), BEHI rating of Very High
4.8. Bankfull Verification
The bankfull indicators in the disturbed portions of the site were somewhat obscured due to the
cattle onsite accessing the stream regularly. Reaches immediately upstream and downstream
were used to compare indicators. In the more stable sections, the field indicators used to
identify bankfull included the back of point bars, the upper break in slope of the bank, and the
presence of inner berms. In the more disturbed areas, depositional features provided the best
indication of bankfull.
Project reach bankfull discharges were compared to the NC Rural Piedmont Regional Curve
(Harman, W.H. et al. 1999) and the bankfull verification data LBG collected at the USGS Big
Bear Creek Gage data (USGS, 2010). The regional curve underestimated bankfull discharges
for the project reach, but aligned well with the inner berm elevations. Therefore, this
information was not relied upon for verifying bankfull. Assuming a linear relationship between
bankfull discharge and drainage area, the bankfull discharges for the reference reach
corresponded well to the verified Big Bear Creek gage bankfull discharge.
4.9. Vegetation Community Type(s) Descriptions and Disturbance History
The Site consists mostly of cow pasture; the historical vegetative community has been almost
completely disturbed. Areas along the stream banks of the mainstem and its tributaries consist
of Piedmont /Mountain Bottomland Forest with a sparse understory and several invasive
species. Along most riparian segments, the buffer is 10 feet in width. Only the southern
portion of the east bank of Little Buffalo Creek has an intact, riparian buffer forest of greater
than 50 feet wide.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
The vegetative communities present vary depending on several factors; exposure to cattle
grazing, position relative to channel dimension, seasonal soil moisture availability and invasive
species presence. Portions of the main stem not subjected to grazing have a prominent shrub
structural layer dominated by common privet (Ligustrum sinense), likey a result of past
grazing, with spice bush (Lindera benzoin) and greenbriar (Smilax rotundifolia) common
native species on the bankfull terrace and higher alluvial terraces. The tree structural layer is
comprised of green ash (Fraxinus pennsylvanica), sweet gum (Liquidambar styracifua) and
tulip poplar (Liriodendron tulipifera) on the bankfull terrace and higher alluvial terraces. The
composition of the community shifts to a tree layer dominated by river birch and sycamore
(Platanus occidentalis) with a patchy shrub layer of primarily silky dogwood (Cornus
amomum) and hazel alder (Alnus serrulata) which occurs along the low flow channel and
inner -berm channel features up to the bankfull terrace. Seasonal moisture availability next to
ephemeral and intermittent channels on the terrace of the main stem favor tulip poplar and
spicebush while drier areas of floodplain terrace favor white oak (Quercus alba) and red bud
(Cersis canadensis). Grazed sections of the main stem have a thin to absent shrub layer but the
tree layer is much the same only sparse and that tree of heaven (Ailanthus altissima) replaces
tulip poplar in community structure.
All of UT 7 is subject to grazing. The riparian vegetation exists on an alluvial terrace above
bankfull as the channel has incised and the groundwater table driving stream flow is
disconnected from the immediately adjacent riparian vegetation. There is no shrub structural
component to the vegetative community. Vegetation includes some invasive species such as
tree of heaven, mimosa (Albizia julibrissin), Chinese privet, and microstegium ( Microstegium
vimineum). Tree of heaven is abundant however a few large sweet gums have persisted.
5. Reference Streams
5.1. Watershed Characterization
The reference reach used for the project was the upstream -most portion of Reach 1 of Little
Buffalo Creek (Figures 6 through 10). This reach extended from the gate crossing upstream to
the property line. This portion of the reach had little sign of degradation due to cattle, fair
vegetation, and in many cases was sitting on bedrock which helps yield stable morphology.
The reference reach watershed is fairly undeveloped and consists primarily of low density
residential areas, forested areas, and pastures.
Some additional dimension and pattern measurements were made immediately upstream of the
property line. Additional dimension and pattern measurements were made throughout the
mainstem of Little Buffalo Creek within the project bounds.
5.2. Channel classification
The reference channel is slightly entrenched with a width to depth ratio that ranges from 31 to
64 with an average ratio of 47. Additionally the reference reach had a high sinuosity of 1.25, a
slope of 0.38, and a gravel bed. These factors key out to a Rosgen classification of a "C4"
stream.
5.3. Discharge ( bankfull, trends)
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
A flow meter was used to take flow measurements at various stages at the reference reach. A
rough stage discharge curve was created, but high flows did not occur during the sampling
period limiting the utility of this data. Roughness coefficients were calculated using velocity,
slope, and flow area data and used in the hydrologic and hydraulic modeling effort.
5.4. Channel Morphology (pattern, dimension, profile)
Supplemental data was collected throughout the project site and even one property upstream,
but only the data from the cross sections is shown in the morphological table.
Dimension
Four riffle cross sections were surveyed and the following minimum, average, and maximum
measurements were obtained:
• W Bankfull = 43, 52, 64 (ft.)
• ABankfull = 55, 59, 65 (sq. ft.)
• D Bankfull = 0.98, 1.16, 1.98 (ft.)
• W/D = 31, 47, 64 (dimensionless)
Additionally, in both straight -pools and curved- pools, cross sections were surveyed to collect
data for use in creating the design pools.
Pattern
The reference reach was relatively straight, so pattern measurements were sought out in many
of the other stable reaches throughout the project site as well as stable sections immediately
upstream of the project reach. Additionally, pattern measurements of the inner berm were
taken in both locations. The natural channel design pattern was made more conservative to
address the fact that the new channel will not have the mature vegetation the reference reaches
currently contain.
Profile
Since the reference reach was located on site it was influenced by all of the same parameters
that will impact the portions of the project that are scheduled to undergo construction. The
slope, soil type, vegetation, abundance of bedrock, and other factors within the reference reach
were all as close to exact as one could get to the proposed restoration reaches.
The reference reach consisted of two sub - reaches with respect to its profile or slope, each
reach was approximately 50 percent of the overall reach. The upstream end of the reach has a
0.74 percent slope while the second half of the reach is much flatter with only a 0.16 percent.
The reaches overall slope is 0.46 percent. Riffle slopes ranged from near one percent to in
excess of four percent.
5.5. Channel Stability Assessment
The same BEHI assessment that was conducted throughout the project site was completed on
the reference reach. The assessment resulted in "very low" values recorded in the reference
reach.
5.6. Bankfull Verification
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
In the more stable sections, the field indicators used to identify bankfull included the back of
point bars, the upper break in slope of the bank, and the presence of inner berms. In the more
disturbed areas, depositional features provided the best indication of bankfull. This information
was supplemented with anecdotal evidence from the landowners, who have monitored the
weather and stream high flow events closely.
Project reach bankfull discharges were compared to the NC Rural Piedmont Regional Curve
(Harman, W.H. et al. 1999) and the bankfull verification data LBG collected at the USGS Big
Bear Creek Gage data (USGS, 2010). The regional curve underestimated bankfull discharges
for the project reach, but aligned well with the inner berm elevations. Therefore, this
information was not relied upon for verifying bankfull. Assuming a linear relationship between
bankfull discharge and drainage area, the bankfull discharges for the reference reach
corresponded well to the verified Big Bear Creek gage bankfull discharge.
5.7. Vegetation Community Type(s) Descriptions and Disturbance History
The community types and disturbance history are discussed in section 4.1.9.
6. Proiect Site Wetlands
Wetland scientists from Berger performed a wetland investigation on the Site in July 2008.
The investigation was conducted in accordance with the procedures outlined in the Corps of
Engineers Wetland Delineation Manual (Environmental Laboratory 1987). Two small wetland
seeps were identified and delineated, one wetland along UT 5 and one wetland along UT 6
(Figure 4). These wetlands were captured in the permanent conservation easement and
protected in perpetuity, although no restoration work will occur there.
7. Reference Wetlands
Wetland Mitigation is not proposed as part of this project; therefore, reference wetlands are not
necessary.
8. Proiect Site Restoration Plan
Within the proposed project site, Little Buffalo Creek and its UT's have impaired water quality
due to stressors that are biological (bacteria such as fecal coliform), chemical (fertilizers) and
physical (cattle on streambanks and riparian zone) in origin. Coupled with the poor water
quality, the lack of riparian buffers throughout much of the Site has greatly devalued both
aquatic and terrestrial habitat. Berger will mitigate approximately 14,432 linear feet of stream
channel along Little Buffalo Creek and its UT's.
Little Buffalo Creek has been divided into six reaches within the project site using the natural
divisions of the landscape as points of transition. Additionally, seven UT's are identified of the
project site. All of the reaches are shown on Figures 1 through 4. The 13 reaches can be
defined in the following way:
• Reach 1 — Upstream property boundary to existing cattle crossing (CC1) at Old Mine
Road,
• Reach 2 — Below Old Mine Road to existing cattle crossing (CC2) at first wire crossing,
• Reach 3 — Existing cattle crossing (CC2) to existing cattle crossing (CC3) below UT 4,
• Reach 4 — Existing cattle crossing (CC3) to UT 3,
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
• Reach 5 — UT 3 to Chains at property boundary (proposed cattle crossing at Reach 5/6
point),
• Reach 6 — Chains at property boundary to Kluttz Road,
• UT 1 — Feeds Little Buffalo Creek immediately upstream of Old Mine Road from the west,
• UT 2 — Feeds Little Buffalo Creek from west in Reach 2 (originates at pond),
• UT 3 — Feeds Little Buffalo Creek from west at Reach 4/5 transition (originates at 2nd
pond),
• UT 4 — Feeds Little Buffalo Creek from east at Reach 3/4 transition,
• UT 5 — Feeds Little Buffalo Creek from east within Reach 5,
• UT 6 — Feeds Little Buffalo Creek from east immediately upstream of Reach 5/6
transition, and
• UT 7 — Feeds Little Buffalo Creek from west almost immediately upstream of Kluttz
Road, includes UT 8, a tributary to UT 7.
The proposed stream mitigation concept for Little Buffalo Creek consists of a combination of
activities along distinct reaches of the mainstem of the creek and its tributaries. Mitigation
approaches include stream restoration, enhancement (levels I and II) and preservation.
Collectively, the mitigation effort will result in an improved headwater stream system that will
improve water quality, stream habitat, and riparian habitat.
Restoration activities will create a new, stable stream channel with the appropriate dimension,
pattern, and profile to transport perennial flow and sediment, and will re- connect the stream to
its floodplain. Reestablishment of vegetation and cattle exclusion will also occur as part of the
restoration activities.
Enhancement activities will include reestablishing native riparian vegetation within a 50 -foot
easement along each bank of the stream corridor and excluding cattle with fencing. In the case
of enhancement level I the activities will also include reshaping or relocating the bed and
banks.
Preservation will be conducted within portion of the stream corridors that have intact riparian
forests and stable stream reaches.
An illustration of the proposed stream restoration concept for the Little Buffalo Creek
Restoration site is provided in Figure 3.
Reach 1 — Restoration and enhancement level II is proposed for this reach. This reach has a
section that was previously a mill pond. The stream currently hugs the valley wall from the
former inlet of the pond and makes an abrupt 90 degree turn at the exit of the old pond.
Restoration will include re- aligning the stream channel for a more natural flow for 438 feet.
Two log vanes are proposed along the realignment to slow the energy of the water. This
restoration will bring the stream closer to its original landscape position, restore sinuosity, and
alleviate the instability associated with the turn. The old channel will be filled. The remaining
1862 feet of the stream length will undergo enhancement level II, which involves
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
Reach 2 — Only enhancement level II is proposed for 1248 feet on this reach. This includes
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Reach 3 — Restoration and enhancement level II is proposed for this reach. This reach is
pushing against its left bank and has severely undercut the stream banks, which are now
greater than 6 feet high. Restoration will align a new channel for 267 feet where the stream
historically existed along the center of the valley floor. The old channel will be filled and the
bank will be repaired. Just upstream of the restoration segment, the channel has over - widened.
Placing trees along the east bank is proposed to help direct preferential flow towards the center
of the channel. The remaining 808 feet of stream will undergo enhancement level II, which
involves reestablishing native riparian vegetation within a 50 -foot easement along each bank of
the stream corridor and excluding cattle with fencing. Any existing fence will be removed.
Reach 4 — Enhancement level I and II are proposed for this reach. Enhancement level I is
proposed for the 120 foot segment that contains concrete slabs along the right stream bank just
upstream of the confluence of UT 3. The concrete is to be removed and the stream's
dimension, pattern, and profile will all be adjusted throughout this segment. The remaining
721feet of stream will undergo enhancement level II, which involves reestablishing native
riparian vegetation within a 50 -foot easement along each bank of the stream corridor and
excluding cattle with fencing. Any existing fence will be removed.
Reach 5 — Only enhancement level II is proposed for 952 feet on this reach. This includes
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
Reach 6 — Preservation is proposed for this 2,053 foot reach. This section of channel has intact
riparian forest and a stable stream bed.
UT 1 — Only enhancement level II is proposed for 109 feet on this reach. This includes
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
UT 2 — Both preservation and enhancement level II is proposed for this reach. The upper 335
feet will be preserved, while the lower 616 feet will be enhanced. This includes reestablishing
native riparian vegetation within a 50 -foot easement along each bank of the stream corridor
and excluding cattle with fencing. Any existing fence will be removed.
UT 3 — This reach has a short segment of restoration through a former pond, followed by
sections of enhancement level I and enhancement level IL The first 197 feet consists of
restoration where the segment was previously ponded and there is no existing concentrated
flow path. The stream's dimension, pattern, and profile will all be established throughout this
segment by cutting a channel through the ponded area. Additionally the pipe section will be
removed from this section. The next 263 feet will consist of enhancement level II. This
includes reestablishing native riparian vegetation within a 50 -foot easement along each bank of
the stream corridor and excluding cattle with fencing. Any existing fence will be removed. The
following 515 feet will consist of enhancement level I. This reach has down cut. The stream
banks will have to be laid back throughout this reach in order to reduce the shear stress along
the stream banks. These actions will affect the stream's dimension and pattern. Additionally, in
some sections the profile will be adjusted and a pipe section will be removed from this section
as well. The lower 500 feet will consist of enhancement level II.
UT 4 — Enhancement level I and II are proposed for this reach. The upper 431 feet will be
enhancement level II. This includes reestablishing native riparian vegetation within a 50 -foot
easement along each bank of the stream corridor and excluding cattle with fencing. Any
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
existing fence will be removed. The lower 397 feet will be enhancement level L The lower
segment of this reach is incised due to head cutting from the confluence of LBC. The stream
banks will have to be laid back throughout this reach in order to reduce the shear stress along
the stream banks. This reach is fairly well forested and small construction equipment will be
necessary, possibly requiring some segments to be completed by hand.
UT 5 — Only enhancement level II is proposed for 184 feet on this reach. This includes
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
UT 6 — Only enhancement level II is proposed for 151 feet on this reach. This includes
reestablishing native riparian vegetation within a 50 -foot easement along each bank of the
stream corridor and excluding cattle with fencing. Any existing fence will be removed.
UT 7 — Restoration is proposed for 1,374 feet of UT -7. This reach has been straightened and
has downcut several feet until it has reached bedrock. It will be almost entirely reconstructed
on its original floodplain and will join the existing channel just above the confluence with
LBC. The old channel will be plugged at specified locations and filled with the dirt excavated
from the new channel. Two rock cross vanes are proposed, one along the upper section and one
below the confluence with UT -8, an unnamed tributary to UT 7. A series of 12 step pools is
proposed along the lower segment for approximately 180 feet to account for the drop in
elevation. The segments of enhancement include reestablishing native riparian vegetation
within a 50 -foot easement along each bank of the stream corridor and excluding cattle with
fencing. Any existing fence will be removed.
Stream mitigation for the Little Buffalo Creek Stream Mitigation Site is being conducted to
protect ecologically important streams in perpetuity, through the implementation of a
conservation easement owned by the State of North Carolina. Stream mitigation will restore,
enhance, and preserve the existing riparian corridor, aquatic habitat and stream hydrology of
the stable perennial stream channels by establishing a permanent conservation easement along
13,641 linear feet of stream. The easement protects a minimum 50 -foot wide forested buffer
along both sides of the creek and encompasses 47 acres. Where necessary, the easement is
Little Buffalo Creek Stream Restoration Plan Page 29
Mitigation
Types by
Reach (Linear Feet)
Reach Name
Restoration
Enhancement Enhancement 11
Preservation
Reach 1
438
0
1,862
0
Reach 2
0
0
1,248
0
Reach 3
267
0
808
0
Reach 4
0
120
721
0
Reach 5
0
0
952
0
Reach 6
0
0
0
2,053
UT 1
0
0
109
0
UT 2
0
0
616
335
UT 3
0
515
763
0
UT 4
0
397
431
0
UT 5
0
0
184
0
UT 6
0
0
151
0
UT 7
1,374
0
0
0
UT 8
100
0
0
0
Stream mitigation for the Little Buffalo Creek Stream Mitigation Site is being conducted to
protect ecologically important streams in perpetuity, through the implementation of a
conservation easement owned by the State of North Carolina. Stream mitigation will restore,
enhance, and preserve the existing riparian corridor, aquatic habitat and stream hydrology of
the stable perennial stream channels by establishing a permanent conservation easement along
13,641 linear feet of stream. The easement protects a minimum 50 -foot wide forested buffer
along both sides of the creek and encompasses 47 acres. Where necessary, the easement is
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
protected by fencing to keep livestock out of the 50 -foot buffer. The easement was recorded by
Cabarrus County and is held by NCEEP. The conservation easement is shown on design sheets
19 to 28 in Section 14.0.
A few areas of invasive floral species were identified in patchy distributions at various
densities, particularly along the banks of the mainstem and UT 7. Invasive species along the
mainstem include: multiflora rose (Rosa multiflora) and Chinese privet. Invasive species along
UT 7 include: tree of heaven, mimosa, microstegium, and Chinese privet. No specific control
effort is detailed for these species; however, they will be removed during the construction
process.
Throughout the project area, native species will be planted in order to re- establish a native
Piedmont/Mountain Bottomland Forest, which is currently found upstream and downstream of
the Site. Restoring a forested riparian corridor will also provide additional forest habitat as
well as provide a connection between the intact hardwood forests to the north of the Site and
the forested corridor to the south of the Site. The proposed species for planting can be found on
Table 7 in Section 12 of this report.
Berger proposes to exclude cattle from the stream along both sides of the upstream two
properties by extending fencing the length of the two properties, tying into existing fencing
where possible. Two cattle crossing locations have been agreed upon, in principal, by the
landowners (Figure 4). Portions of the downstream two properties will be fenced as needed as
cattle do not have access to the properties in their entirety. Agreed upon fencing will be either
4 foot tall woven wire with one strand of barbed wire across the top or electric fence.
8.1. Restoration Project Goals and Objectives
The original stream channel has been altered by years of ranching activities, including cattle
access to the stream and riparian zone. Several reaches of the stream have bedrock in their
streambed and vertical migration of the stream has been confined to a small percentage of the
project site. The stability in the vertical direction coupled with the loss of vegetation along the
stream due to cattle accessing the stream via the streambanks have led to streambank failure
and lateral stream migration on several stream reaches throughout the Site.
The goals of the proposed Little Buffalo Creek Stream Restoration project include, but are not
limited to, the enhancement of water quality and aquatic /terrestrial habitat, stream stability
improvement, and erosion reduction. The uplift of these stream functions specifically requires:
• protecting and improving water quality through the removal or minimization of the
biological, chemical, and physical stressors,
• reducing sediment input into the stream from erosion,
• reducing non -point pollutant impacts by removing livestock access (including
restoring forested buffer,
• protecting headwater springs
• improving aquatic and terrestrial wildlife habitat,
• moderating stream water temperatures by improving canopy coverage over the
channel; and,
• restoring, enhancing, reconnecting, and protecting valuable wildlife habitat.
• Restore floodplain connectivity
o reestablishing a floodplain connection thereby dissipating energy associated with
flood flows.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
In addition to the ecological uplift that the project will provide to the Site through the
improvement of the stream functions, this project establishes the following environmentally
advantageous goals:
• providing a water source for livestock removed from the stream and riparian corridor;
• reducing the number of locations that livestock are able to cross the stream; and
• providing a safe and environmentally appropriate stream crossing points for livestock.
In order to achieve the project goals, Berger proposes to accomplish the following objectives:
• fence the cattle out of the stream and riparian corridor,
• remove invasive vegetative species from the riparian corridor,
• restore and enhance unstable portions of the stream,
• preserve the stream channel and banks through a conservation easement, and
• plant the riparian corridor with native tree and shrub vegetation.
The expected ecological benefits and goals associated with the Little Buffalo Creek site
mitigation plan serve to meet objectives consistent with the resource protection objectives
detailed in the Yadkin -Pee Dee River Basinwide Water Quality Plan, 2008.
8.1.1. Designed Channel Classification and/ or Wetland Type
Reach 1
The proposed channel for Reach 1 is merely a continuation of the channel immediately
upstream of it, only in a proper location. The existing channel is appropriately sized and has a
stable bed as it sits on bedrock; however the right bank is vertical and extremely high.
Additionally the valley makes a turn to the right and the channel currently runs directly into the
valley wall forcing a 90 degree right turn. The proposed channel is slightly entrenched and will
have a width to depth ratio of 26. Additionally the reach will have length added in the form of
a curve to replace the 90 degree turn. This will reduce the overall reach slope to 0.38 percent,
but will increase the overall reach sinuosity to 1.25. The substrate of the reach will remain a
gravel bed. These factors key out to a Rosgen classification of a "C4" stream. The design for
this reach is shown on the design plan sheets in Section 14.
Reach 3
The section of Reach 3 to be restored is currently a long curved reach; however, the proposed
channel will bypass the curve that is cutting into the high bank and reconnect the stream to its
floodplain. The entrenchment ratio will be greater than 2.2 and the width to depth ratio is
proposed at 22. This width to depth ratio pushes the lower limit of the reference data, but
sections immediately upstream of the impaired reach had even smaller width to depth ratios
and were stable. With the implementation of the design, Reach 3's slope will decrease to 0.46
percent, and the sinuosity will decrease to 1.09. The channel will continue to be considered a
gravel bed stream. These factors key out to a Rosgen classification of a "C4" stream for the
design channel. The design for this reach is shown on the design plan sheets in Section 14.
UT 7
From immediately downstream of its plunge pool at the foot of the two culverts under Old
Mine Road to its confluence with Little Buffalo Creek, UT 7 is disconnected from its
floodplain. Elevating this reach will reconnect the two and the result will be an entrenchment
ratio greater than 2.2 and the width to depth ratio is proposed at 26. Again this is slightly
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
narrower and deeper than the reference, but this is to ensure that the reach is able to move
some of the larger particles within its bedload. The design channel will have a sinuosity of 1.17
and an overall slope of 0.68 percent. More specifically, the majority of the stream will have a
0.16 percent slope and the step pool section transitioning to the tie in point just about Little
Buffalo Creek will have a slope of 3.00 percent. The new channel will be a gravel bed stream
that is classified as a Rosgen classification of a "C4" stream. The design for this reach is
shown on the design plan sheets in Section 14.
8.1.2. Target Wetland Communities/ Buffer Communities
In the areas on Site of agricultural land where the riparian buffer forest canopy is non-
contiguous, seedlings of native woody species will be planted. There are no target wetland
communities for this project. The goal of the planting scheme will be to establish a riparian
forest community consistent with a Piedmont /Mountain Bottomland Forest and to complement
the existing riparian vegetation.
8.2. Sediment Transport Anal
The energy a stream has to transport sediment (or stream power) is directly related to two
factors: discharge and slope. As a stream progresses from upstream to downstream, typically
its discharge increases and its slope decreases. This dynamic influences the stream's overall
power, as well as the stream's balance of the two principal components of its sediment load:
bed load and wash load.
As a check that the proposed design will create a stable channel that will not aggrade or
degrade over time, but adjusts within stable limits, the competence of the restored channels
was evaluated. Sediment transport competency is a measure of the stream's ability to move a
particular grain size and is measured in force (lbs /ft2).
For the purposes of this report, the following calculations are used to make the competence
prediction:
Shear Stress
z = yRS
Where:
i = Shear stress (lb /ft2)
y = specific gravity of water (62.4 lb/ft')
R= Hydraulic radius (ft)
S = Slope (ft/ft)
Dimensionless Shear stress
z
zC = (Ps — PW)9Dso
Where:
z� = Dimensionless shear stress
ps = density of rock
pW = density of water
g = acceleration due to gravity (ft/s)
D50 = Median grain Size
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
The table below summarizes the existing and proposed sediment transport competency calculations for
the restoration reaches. Enhancement reaches were not analyzed because they are currently stable with
respect to sediment transport. For each restoration reach, the proposed conditions reduce the shear forces
acting on the channel bottom, resulting in a slight reduction in the grain size that the channel can
mobilize. The median movable grain size is still within the gravel range in each case. The bankfull shear
stress predicts that each restored reach will be capable of moving particles ranging from 20 — 33 mm,
closely corresponding to the existing material on site. The proposed channel dimensions will not increase
the potential for vertical incision, but rather will reduce this tendency. Additionally, the use of constructed
riffle and pool features and structures throughout the proposed restoration areas will provide additional
stability.
8.3. HEC -RAS Anal
A hydrologic and hydraulic analysis of Little Buffalo Creek was conducted to verify that the
proposed restored Little Buffalo Creek dimensions developed from reference reach and
regional curve data are appropriate and to determine what, if any, impacts will occur off -site as
a result of the proposed creek /tributary widening and realignment. The hydrologic analysis
(surface water hydrology) of Little Buffalo Creek was performed using the United States Army
Corps of Engineers Hydrologic Engineering Center's Hydrologic Modeling System (HEC -
HMS) model, which yielded the peak flood discharges for four storm events (1.5 -year, 2 -year,
5 -year, and 100 -year storm events). The peak discharges from the HEC -HMS model were used
in the Hydrologic Engineering Center's River Analysis System (HEC -RAS) to determine
water surface profiles, channel velocities and hydrologic trespass resulting from the project
implementation. To be able to quantify the impacts that might occur as a result of channel
modification, a baseline condition (existing condition) was first modeled and the results were
then compared to the proposed channel modification. This information was utilized to develop
the proposed restored channel geometry and to determine whether the restored stream will
impact the existing condition flood elevations for various storm events. The following report
sections describe the methodology, results and conclusions of the hydrologic and hydraulic
analyses.
Little Buffalo Creek Stream Restoration Plan Page 33
Reach 1
Reach 3
Upper Restoration
Lower Restoration
UT7
Area
Area
Existing
Proposed
Existing
Proposed
Existing
Proposed
Hydraulic Radius
1.14
1.35
1.48
1.76
0.96
0.96
(ft)
Slope (ft/ft)
0.0047
0.0038
0.0067
0.0047
0.008
0.0068
Dimensionless
0.35
0.32
0.62
0.52
0.48
0.41
hear stress
Median Movable
Particle at Incipient
21
20
38
33
30
26
Motion (mm)
8.3. HEC -RAS Anal
A hydrologic and hydraulic analysis of Little Buffalo Creek was conducted to verify that the
proposed restored Little Buffalo Creek dimensions developed from reference reach and
regional curve data are appropriate and to determine what, if any, impacts will occur off -site as
a result of the proposed creek /tributary widening and realignment. The hydrologic analysis
(surface water hydrology) of Little Buffalo Creek was performed using the United States Army
Corps of Engineers Hydrologic Engineering Center's Hydrologic Modeling System (HEC -
HMS) model, which yielded the peak flood discharges for four storm events (1.5 -year, 2 -year,
5 -year, and 100 -year storm events). The peak discharges from the HEC -HMS model were used
in the Hydrologic Engineering Center's River Analysis System (HEC -RAS) to determine
water surface profiles, channel velocities and hydrologic trespass resulting from the project
implementation. To be able to quantify the impacts that might occur as a result of channel
modification, a baseline condition (existing condition) was first modeled and the results were
then compared to the proposed channel modification. This information was utilized to develop
the proposed restored channel geometry and to determine whether the restored stream will
impact the existing condition flood elevations for various storm events. The following report
sections describe the methodology, results and conclusions of the hydrologic and hydraulic
analyses.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.3.1. Hydrologic Anal
The hydrologic analysis for this project incorporated available data and implemented USDA -
NRCS recommended procedures to estimate the peak runoff rates for the site drainage system,
consisting of an existing main channel of Little Buffalo Creek and its multiple tributaries.
Stormwater peak runoff rates (design flood discharges) for the contributing drainage areas of
Little Buffalo Creek and its tributaries were calculated using the HEC -HMS (version 3.4)
computer program, which simulates precipitation - runoff processes. The Soil Conservation
Service (SCS) runoff unit hydrograph approach was used for the flow computation
methodology. The SCS method is based on the procedures outlined in the June 1986 edition of
Technical Release 55 —Urban Hydrology for Small Watersheds (TR -55), published by the U.S.
Department of Agriculture, Soil Conservation Service (USDA, 1986).
8.3.1.1. Data Sources
Parameters used to estimate the stormwater peak runoff rates include the drainage area, the
runoff curve number, and the watershed lag time. The drainage areas were delineated
utilizing available site survey contours. Beyond the limits of the site survey, the survey
contours were supplemented with additional 1 -ft interval contours that were generated
using the U.S. Geological Survey (USGS) National Elevation Dataset (NED) digital
elevation models (DEM). The DEM data were imported into ArcMap 9.3, and I -foot
interval contours were generated using the Spatial Analyst and the 3D Analyst extensions.
The total contributing drainage area to the downstream terminus of the project site was
estimated to be approximately 6.25 square miles. The overall drainage area of the project
site was divided into twenty -one sub - areas, which first discharge to the multiple tributaries
before finally emptying to the main Little Buffalo Creek. The drainage area was divided
based on the available topographic and existing drainage information. Delineated drainage
areas for existing and proposed conditions are shown in Appendix 8I.
Soils information for the contributing drainage sub -areas was obtained from the United
States Department of Agriculture - Natural Resources Conservation Service (USDA -NRCS)
Web Soil Survey for Cabarrus County and Rowan County, North Carolina. The land cover
data was obtained from the USGS National Land Cover Dataset (NLCD). The land use
classifications of the contributing drainage sub -areas of the Little Buffalo Creek project
site are primarily agricultural land and woods. Field visits, supplemented by aerial
photograph and county zoning map reviews, were performed to obtain existing and
proposed land use information.
8.3.1.2. Weighted Curve Number Computations
The weighted runoff curve number computations were performed using the NRCS Soil -Cover
Complex methodology, as outlined in TR -55 and the National Engineering Handbook. Area -
weighted averages of runoff curve numbers for each unique combination of land use and soil
type (soil -cover complex methodology) were computed to evaluate the weighted curve number
for each sub - watershed. The curve numbers assigned for each unique land use -soil hydrologic
soil group combination are adopted from TR -55, for antecedent moisture condition II (AMC -
II). The weighted runoff curve number calculations for all sub - watersheds are included in
Appendix 8B.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.3.1.3. Watershed Lag Time Computations
The watershed lag time was calculated separately for each sub - watershed to better simulate the
peak flow hydrograph responses and flow combinations through the project site. The NRCS
Watershed Lag Method (also known as the NRCS Curve Number Method) was used to
calculate the time of concentration and the watershed lag time for each sub - watershed, as
outlined in the National Engineering Handbook and USDA -SCS Technical Paper 149. The lag
time of a watershed may be thought of as a weighted time of concentration. It is related to the
physical properties of a watershed such as area, length and slope. NRCS developed an
empirical relationship between the watershed lag time and the time of concentration:
TL = 0.6Tc where,
TL — Watershed lag time in hours
Tc — Watershed time of concentration in hours
Time of concentration for a watershed can be calculated using the empirical relationship:
Lo.g 1000 9 0.7
( CN �
TC = o s where,
1140Y
O"
— Watershed Hydraulic Length in feet
CN — Watershed Weighted Curve Number (Dimensionless)
Y — Average Watershed Slope ( %), which can be determined using the formula
Y = (100CI)A where,
C — Total length of contours inside the watershed, in feet
I — Contour Interval in feet, and
A — Drainage area in sq. feet
Based on this method, the lag time for each watershed is calculated. Watershed lag time and
time of concentration calculation worksheets for existing and proposed conditions are included
in Appendix 8C.
8.3.1.4. Hydrologic Reach Routing
The Muskingum -Cunge reach routing method was utilized to route the peak flows through
open channel reaches between each hydrologic point of interest (POI). The input parameters
for the Muskingum -Cunge method include reach length, slope, invert, shape of cross - sections
and Manning's roughness coefficients for the routed reaches.
8.3.1.5. Peak Discharge Summary
The peak discharges were estimated based on a Type II rainfall distribution (TR -55, 1986), and
using 24 -Hour rainfall depths obtained from the National Oceanic and Atmospheric
Administration (NOAA) Hydrometeorological Design Studies Center for the geometric
centroid of the overall Little Buffalo Creek watershed (Appendix 8A). A log -log plot was
performed with the NOAA reported 24 -hour precipitation depths, to calculate the depth of the
1.5 -year 24 -Hour rainfall. A 1.5 -year rainfall has a probability of exceedance of 66.7 percent in
a given 1 year period. Detailed calculations and the logarithmic plot of the values are presented
in Appendix 8E. Design flood discharges were determined for the 1.5 -year, 2 -year, 5 -year, and
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
100 -year storms at several points of interest along the existing and proposed reaches. A
summary of the computed peak discharges for the modeled storm events at each hydrologic
POI location along the existing and proposed reaches is presented in Appendix 8F. POI
locations are depicted on the maps and exhibits included in Appendix 8I.
Four separate work areas are proposed inside the overall drainage area to realign and restore
the main branch and two tributaries of Little Buffalo Creek. The sinuous longitudinal shapes of
the proposed restoration channel sections will provide slightly longer watershed hydraulic
lengths, which will result in a slight increase in the watershed lag times. The changes to peak
flows will be negligible. A separate proposed condition hydrology was not developed for this
study, and the changes in the channel geometry due to the restoration design were evaluated
based on the peak flow values as calculated under the existing conditions, to obtain a
conservative estimate of the resultant flow velocities and water surface elevations.
8.3.2. Hydraulic Anal
The open channel hydraulics of Little Buffalo Creek and its major tributaries within the study
area were modeled using the HEC-RAS (version 4. 1.0) river modeling program, as detailed in
the following report sections.
8.3.2.1. Hydraulic Geometry Model
A total of 38 surveyed cross - sections along Little Buffalo Creek and its tributaries were used to
develop the HEC -RAS geometry base. In order to properly evaluate the site, the surveyed
cross - sections were supplemented with additional cross - sections throughout Little Buffalo
Creek and its tributaries based on field survey data, photogrammetric survey prepared by
GeoData Corp, and USGS DEM where necessary. Cross - sections cut throughout the creek and
tributaries were laid out perpendicularly to the centerline of the channel and the topographic
contours. The HEC -RAS geometry took into consideration the three locations of the proposed
restoration work. Cross- section locations are identified on the HEC -RAS Cross- Section
Location Plan in Appendix 8I.
The proposed channel realignment work at the Little Buffalo Creek site is sub - divided into
three areas (see Appendix 8I - HEC -RAS Cross - Section Location Plan), which will be referred
to in subsequent discussions as Work Area 1, Work Area 2 and Work Area 3. To determine the
impact of the proposed stream restoration work occurring at the three specific proposed work
areas and beyond, the proposed condition model was created using the existing condition
model cross - sections and roughness values, in addition to the proposed geometric and
roughness parameters associated with the proposed stream restoration design. Using the same
stream cross - section locations for both the existing and proposed condition models allowed for
direct comparison of existing and proposed condition water surface profiles at a given cross -
section, thereby allowing for a better evaluation of the hydraulic impacts of the proposed
stream restoration on adjacent properties.
Roughness coefficients ( Manning's n- values) were calculated based on field data and verified
by comparing the results to the HEC -RAS Hydraulic Reference Handbook (USACE, 2002).
For the existing condition model, the roughness coefficients selected for the main channel
varied from 0.035 to 0.055. The Manning's n- values selected for the overbanks ranged from
0.030 to 0.08 to represent no crop lands, farmlands, and forested areas.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
A concrete liner exists in a fourth area, Work Area 4, which will be removed under proposed
condition as part of the stream restoration work. A Manning's n -value of 0.013 was selected
for this material under existing condition.
For the proposed condition model, the roughness coefficient selected for the main channel of
the proposed work areas were equivalent to the existing condition roughness coefficient, as the
channel bed material will be the same as the existing bed material. A roughness coefficient of
0.10 was selected for the adjacent floodplain areas of the proposed streams to represent the
proposed fifty -foot forested buffers on both sides of the proposed channels. Outside of the
fifty -foot proposed forested buffers, Manning's roughness coefficients for the floodplains
remained the same as existing condition.
To account for the series of proposed step pools at Work Area 3, a roughness coefficient of
0.050 was used, which was representative of cobbles with boulders so as to mimic the
proposed logs in the channel. This roughness value was chosen as the most representative
value for the step pool design to account for energy dissipation. No modifications to roughness
coefficients were made outside of the proposed work areas.
The HEC -RAS model included nine surveyed hydraulic structures for the existing condition
model, which were maintained in the proposed conditions model, as the hydraulic structures
will remain in place. A wooden bridge exists on Old Mine Road and two 92 "x138" culverts
exist on Kluttz Road at their respective crossings of Little Buffalo Creek. The remaining seven
hydraulic structures are CMP and RCP culverts of various sizes located along the tributaries
that discharge to the main channel. Locations of the hydraulic structures modeled are shown in
Appendix 8I — HEC -RAS Cross - section Location Plan.
In addition, the proposed condition model took into consideration the proposed ditch plugs at
the proposed work areas as described previously in this report, using the Obstruction tool in
HEC -RAS to account for the blockage.
8.3.2.2. HEC -RAS Peak Flow Loading Points Summary
The design floods (peak discharges) that were entered into the HEC -RAS Steady Flow Data
Editor were developed from the hydrologic POI locations, as modeled in the HEC -HMS
computer program (Appendices 8F and 8G). A steady -state flow simulation (i.e., flow rate not
changing with time) was utilized, and normal depth boundary conditions were specified for
both the upstream -most and downstream -most cross - sections.
The peak flows generated from the hydrographs in the HEC -HMS model were specified in the
HEC -RAS Steady Flow data at appropriate loading points (junctions) along the reaches, for the
various modeled storm events.
The peak flow coded inputs for existing and proposed conditions remained the same, as the
design of the three proposed reaches did not affect the overall hydrology of the site as
described in Section 8.3.1.5. Appendix 8G presents a summary of the HEC-RAS peak flow
inputs along the reaches associated with the HEC -HMS POIs.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.3.2.3. Hydraulic Modeling Results
8.3.8.3.1 Work Area 1
Appendix 8H provides a summary of the HEC -RAS modeling results for existing and
proposed conditions for Little Buffalo Creek Work Area 1. It should be noted that even though
the same general cross - section locations were used for both the existing and proposed
condition models, the existing and proposed "stationing" of each cross - section differed from
one another in some areas within the proposed work areas as a result of the proposed changes
in the main channel alignment and associated increase in sinuosity. For this reason, the HEC -
RAS modeling results summary (Appendix 8H) refers to the proposed condition stationing of
each cross - section. As evidenced in Appendix 8H, increases in water surface elevation
occurred at cross - sections 11 +16 and 13 +90 (Main -Reach 1 River Station 4.6 and 3.7,
respectively) for the 100 -year, 5 -year, 2 -year and 1.5 -year storm under proposed condition.
The increases in water surface elevations at cross - section 11 +16 are however minor and within
the predefined minimum error water surface model default tolerance error of 0.3 ft. Increases
in elevations under proposed conditions at cross - section 13 +90 can be attributed to the
proposed logs slightly downstream of cross - section 13 +90. The logs will act as a block to slow
velocities in the channel, but will increase the water surface elevation slightly as shown. The
increase in water surface elevation will be primarily contained within the channel banks and 50
foot forest buffer and should not impact existing nearby buildings or structures.
The velocity summary presented in Appendix H shows that the average velocities within the
proposed main reach exhibits a decrease compared to existing condition velocities with the
exception of the cross - sections directly upstream of Work Area 1 and cross - section 13 +90
(Main -Reach 1 River Station 3.7). An overall decrease in average velocities within the main
channel is expected as the cross - sectional area of the proposed channel is larger than the
existing channel. The increases in velocity for the cross - section directly upstream of Work
Area 1 can be attributed to the transition between Work Area 1 and the existing channel. The
existing channel cross - sectional area is smaller than the proposed channel cross - sectional area.
Based on the fundamental concepts of the Continuity Equation, the velocity is expected to
increase at the cross - section directly upstream of Work Area 1 under proposed condition in
order to satisfy the continuity of flow as it is transitioning into cross - section 11 +16 (Main -
Reach 1 River Station 4.6), which has a larger cross - sectional area. The same concept can be
applied to the minor increase in velocity for cross - section 13 +90 (Main -Reach 1 River Station
3.6) as the transition into the existing channels (smaller cross - sectional area) is expected to
result in slight increases in velocity. This slight increase in velocity appears to be localized as
the difference in velocity between existing and proposed conditions reduces to zero further
downstream at cross - section labeled as Main -Reach 1 River Station 3.
8.3.8.3.2 Work Area 2
Appendix 8H provides a summary of the HEC -RAS modeling results for existing and
proposed conditions for Little Buffalo Creek Work Area 2. As explained in Section 8.3.2.3.1,
the existing and proposed "stationing" of each cross - section differed from one another in some
areas, as a result of the proposed changes in the main channel alignment and associated
increase in sinuosity. As evidenced in Appendix 8H, an overall decrease in water surface
elevation resulted with the proposed realignment at Work Area 2. The only increase in water
surface elevation occurs at cross - section 12 +60 with the largest resulting in a 0.09 ft increase
for the 2 -year storm. The increases in water surface elevations are however minor and within
the minimum error water surface model default tolerance error of 0.3 ft. This negligible impact
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
is likely due to the transitioning between the larger proposed cross - sectional area and the
smaller existing cross - sectional area, therefore reducing the wetted area.
As shown in Appendix 8H, there are some increases in velocities occurring at cross - section
10 +05 (Main -Reach 2 River Station 2) for the 100 -year and 5 -year storm under proposed
condition. Cross - section 10 +05 is the upstream transition between the existing channel and
proposed channel. The existing channel cross - sectional area is smaller than the proposed
channel cross - sectional area. Based on the fundamental concepts of the Continuity Equation,
the velocity is expected to increase at the cross - section directly upstream of Work Area 2 under
proposed condition in order to satisfy the continuity of flow as it is transitioning into cross -
section 11 +08 (Main -Reach 2 River Station 1.5), which has a larger cross - sectional area.
However, the velocity increase at cross - section 10 +05 appears to be localized as the main
channel velocities remain essentially the same as existing conditions as shown in Appendix
8H.
8.3.2.3.3. Work Area 3
Appendix 8H below provides a summary of the HEC-RAS modeling results for existing and
proposed conditions for Little Buffalo Creek Tributary Work Area 3. As explained in section
8.3.2.3.1, the existing and proposed "stationing" of each cross - section differed from one
another at some areas, as a result of the proposed changes in the main channel alignment and
associated increase in sinuosity. Work Area 3 consists of various proposed activities including
proposed ditch plugs at specific locations of the existing channel, proposed riffles /pool design,
rising of the channel bed compared to existing channel bed, and a step pool design. Work Area
3 can also be considered to have the most significant change in re- routing the existing channel
compared to all the other proposed Work Areas.
As evidenced in Appendix 8H, some increases and decrease in water surface elevations were
observed. The increases in water surface elevations were observed between cross - section
14 +20 (LBC 4 River Station 1.7) and cross - section 17 +12 (LBC 4 River Station 1.3). As
shown in Appendix H, the largest impact occurs at cross - section 16 +37 (LBC 4 River Station
1.5) with a 1.31 ft increase in water surface elevation for the 1.5 -year storm event. The water
surface elevation increases occurring at this location can be largely associated with the
proposed ditch plugging of the existing channel. Proposed ditch plugs will be installed at the
existing channels located on cross - section 17 +12 (LBC 4 River Station 1.3) and Cross - section
18 +78 (LBC 6 River Station 3). The ditch plugging of the existing channels at these locations
will prevent water from entering into the existing channels, thus reducing a large amount of
storage available within the floodplain. This impact extends upstream of cross - section 17 +12
(LBC 4 River Station 1.3) until cross - section 12 +52 (LBC 4 River Station 1.8) where the
proposed impact eventually dissipates as shown in Appendix 8H. From the results, the
proposed ditch plugs appear have a pronounced effect on the lower storm events as the
proposed impacts significantly reduce for the 100 -year storm event. It should be noted that
even though there are significant increases in surface water elevations for the lower storm
events (1.5 to 5 year storms), the increases are primarily contained within the banks of the
stream and are not expected to impact areas adjacent and outside of the project boundary.
The velocity summary indicates a general decrease in main channel velocity for all storm
events at Work Area 3 as expected due to the effects of the proposed riffles /pool design, the
fifty -foot forested buffers surrounding both sides of the proposed channel, and the proposed
step pool design. The only increases in velocity under proposed condition occurs at cross -
section 17 +12 (LBC 4 River Station 1.3) and cross - section 18 +78 (LBC 6 River Station 3).
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Unlike the existing condition where the existing channel is relatively straight, all three cross
sections under proposed condition are located at or near bends of the meandering channel and
the increases in velocities at these locations can be attributed to the bends where velocity of the
channel is highest. However, the velocities within the main channel eventually dissipate
downstream by cross - section 19 +47 (LBC 6 River Station 2) where the proposed step pool
begins.
8.3.2.3.4. Work Area 4
Work Area 4 consists of a section of streambanks requiring removal of an existing concrete
liner along the right bank of the existing channel (toe of slope to right bank) and slightly
increased cross - sectional area while maintaining the same channel alignment. Appendix H
provides a summary of the HEC -RAS modeling results for existing and proposed conditions
for Little Buffalo Creek Tributary Work Area 4. As evidenced in Appendix 8H, an overall
decrease in water surface elevations occurs with the exception of the following cross - sections:
Main -Reach 4 River Station 0.9 and Main -Reach 4 River Station 0.5.
The increase in water surface elevations for Main -Reach 4 River Station 0.9 and Main -Reach 4
River Station 0.5 are considered minor with the largest increase yielding 0.24 feet under
proposed condition. The minor increases observed can be attributed to the removal of the
existing concrete liner and the proposed pools within the proposed channel. Under proposed
conditions, the channel bed will be restored to existing channel conditions with small pools,
which is modeled with a Manning's n roughness coefficient of 0.055. Under existing
conditions, the concrete liner is modeled with a Manning's n roughness coefficient of 0.013.
Although the concrete liner under existing condition exists only along the right bank of the
existing channel (toe of slope to right bank), this significant difference between the roughness
parameter results in a slightly increased water surface elevation under the proposed condition.
The increases in water surface elevations are within the minimum error water surface model
default tolerance error of 0.3 ft.
As shown in Appendix 8H, increases in velocity are observed at the upstream transition area of
Work Area 4. This is most likely attributed to the increase in slope from the existing channel to
the proposed channel. However, within the proposed channel, a decrease in channel velocity
results as expected since the proposed condition has a slightly larger cross - sectional area and a
rougher channel bed compared to existing with the addition of the pools and the removal of the
concrete liner.
8.3.3. Existing g Bridges and Hydraulic Structures
and Hydraulic Structures
In addition to evaluating the flooding impacts at the cross - sections along the proposed work
areas, existing bridges and hydraulic structures along or within the vicinity of the proposed
reaches were evaluated to determine whether adverse impacts would occur as a result of the
proposed stream realignment activities. Appendix 8H presents the computed water surface
elevations and velocity summary for the hydraulic structures evaluated.
A wooden bridge exists on Old Mine Road downstream of Work Area 1. The modeling results
indicate no impact in the water surface elevations and velocities under proposed condition,
with the exception of a negligible 0.01 ft water surface elevation increase and a decrease of
0.01 ft/s velocity for the 1.5 -year storm at the downstream cross - section, as summarized in
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Appendix H. No impact is expected at this wooden bridge as the proposed Work Area 1 is
approximately 653 ft upstream of the wooden bridge. As the modeling results indicate,
proposed impacts have already diminished by cross - section Main -Reach 1 River Station 3.3,
which is located approximately 472 ft upstream of the wooden bridge.
As described in Section 8.3.2.3.1, two 92 "x138" CMP culverts exist on Kluttz Road, at the
most downstream section of the overall project site. As evidenced in Appendix H, the
modeling results indicate that no impact is anticipated under proposed conditions, as the flood
elevation differences between existing and proposed conditions do not change for any of the
modeled storm events. In addition, the main channel velocities for the upstream and
downstream bounding cross - sections under proposed conditions remained the same as under
existing conditions.
Additionally, two hydraulic structures exist upstream of the Work Area 3 tributaries along Old
Mine Road. The modeling results indicate an overall decrease in flood elevations, indicating
no adverse impacts. One hydraulic structure consists of two 8.5' CMP culverts as shown in
Appendix 8I. The modeling results indicate that no adverse impact is anticipated under
proposed conditions. No increase in water surface elevations is expected at the bounding
upstream cross - section of the hydraulic structure (LBC Trib 4 River Station 3), as the results
indicate no changes in water surface elevations for all storm events evaluated. At the
downstream bounding cross - section (LBC Trib 4 River Station 2.9), the water surface
elevation for the 2 -year decrease under proposed conditions; however, these impacts are
considered negligible, since it is 0.02 ft. For the 5 -year storm and the 1.5 year, the water
surface elevation at the downstream bounding cross - section exhibits a 0.03 ft and a 0.04 ft,
respectively, increase under proposed conditions, which are also considered negligible. The
100 -year storm event results indicate zero impact in water surface elevations under proposed
condition. As shown in Appendix 8H, there are no velocity changes under proposed condition
at the upstream face of the hydraulic structure. Downstream of the hydraulic structure (cross -
section LBC Trib 4 River Station 2.9), the impacts in velocity occur at the 5 -year, 2 -year and
1.5 -year storm event, which yields a maximum increase in velocity of 0.03 ft/s and a maximum
decrease in velocity of 0.06 ft/s. These impacts, which can be considered negligible, can be
attributed to the transition from the existing channel to the proposed channel, which begins at
cross - section 11 +95 (LBC 4 River Station 1.85).
The second hydraulic structure upstream of Work Area 3 consists of a 72 "x108" CMP culvert.
As evidenced in Appendix 8H, the modeling results indicate that no impact is anticipated
under proposed conditions, as the flood elevation differences between existing and proposed
conditions do not change for any of the modeled storm events. In addition, the main channel
velocities for the upstream and downstream bounding cross - sections under proposed
conditions remained the same as under existing conditions.
HEC -RAS results for the remaining hydraulic structures (labeled as 42, 3, 4, 5, and 6 in
Appendix I - HEC-RAS Cross - Section Location Plan) were not evaluated as the hydraulic
structures were located at the headwater of existing tributaries that were not impacted by any
proposed work.
Overall, as the modeling results indicate in Appendix 8H, no adverse impacts are expected at
the hydraulic structures along or within the vicinity of the proposed work areas.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.3.4. Hydrologic Trespass for the 100 -Year Storm Event
In analyzing for hydrologic trespass, the 100 -year storm event was selected to determine
whether the 100 -year flood elevation extends outside of the adjacent properties as a result of
the proposed stream modifications. As evidenced in Appendix 8H, major impacts for the 100 -
year flood elevations are not anticipated as the modeling results indicate that there is an overall
decrease in the 100 -yr flood elevations under proposed conditions with the exception of a few
localized areas in Work Area 1, Work Area 3 and Work Area 4.
As evidenced in section 8.3.3, water surface elevation impacts are not anticipated for the 100 -
year storm event at the existing bridges and hydraulic structures (locations shown on Appendix
8I) as there is no difference in the 100 -year flood elevations between existing and proposed
conditions. Additionally, there is no difference in the 100 -year flood elevations at the most
upstream and downstream end of the project site as shown in Appendix 8H.
In Work Area 1, the cross - section 13 +90 (Main -Reach 1 River Station 3.6) results in a 0.61 ft
increase in the 100 -year flood elevation under proposed conditions. After evaluation of the
surrounding topography, this 0.61 ft increase under proposed condition has a minimal impact
as the surrounding areas reach very high grounds with steep slopes on both sides of the
proposed stream significantly minimizing the spread of flood water. Cross - section 11 +16
(Main -Reach 1 River Station 4.6) results in a 0.05 ft increase in the 100 -year flood elevation
and cross - section Main -Reach 1 River Station 4.9 results in a 0.14 ft increase. Both of these
increases are under the minimum error water surface model default tolerance error of 0.3 ft.
Again, Work Area 1 is also surrounded by high grounds that will minimize the spread of flood
water.
In Work Area 3, cross - section 12 +52 (LBC 4 River Station 1.8) results in a 0.11 ft increase in
the 100 -year flood elevation under proposed conditions. After evaluation of the surrounding
topography, this 0.11 ft increase under proposed condition has a minimal impact as the
surrounding areas reach very high grounds with steep slopes on both sides of the proposed
stream significantly minimizing the spread of flood water. The only other increase in the 100 -
yr flood elevation occurring at Work Area 3 is at cross - section 16 +37 (LBC River Station 1.5),
which results in a 0.08 ft increase in the 100 -year flood elevation under proposed conditions.
As mentioned previously, Work Area 3 is surrounded by high grounds with steep slopes on
both sides of the proposed stream. The 0.08 ft increase in the 100 -year flood elevation under
proposed conditions is within the water surface model default tolerance of 0.3 ft.
In Work Area 4, cross - section Main -Reach 4 River Station 1 exhibits an increase of 0.24 ft for
the 100 -year flood elevation under proposed conditions and this increase is below the
minimum error water surface model default tolerance error of 0.3 ft. This localized increase
will also have minimal spread of flood water due to the surrounding topography. Both sides of
the proposed stream extend to extremely steep slopes reaching high grounds with elevations
surpassing the 100 -year flood elevation under proposed conditions.
The HEC-RAS modeling results indicate that the 100 -yr flood elevations actually decrease or
do not change under proposed conditions, with the exception of a few minor increases
occurring at localized spots described above. After evaluation of the 100 -yr flood elevation
results, no hydrologic trespass issues are anticipated under proposed conditions.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.3.5. Conclusions
The hydrologic and hydraulic analyses of the Little Buffalo Creek restoration show that no
adverse impacts are anticipated for the 1.5 -year, 2 -year, 5 -year, and 100 -year storm events.
The HEC -RA S modeling results indicate negligible (a 0.01 ft increase in the 100 -year flood) to
no increase in water surface elevations at the most upstream cross - section (Main Reach 1 River
Station 6) and most downstream cross - section (Main Reach 5 River Station 1) of the overall
project site as shown in Appendix 8H. Therefore, adverse flooding impacts are not anticipated
to result upstream or downstream of the proposed project site.
As the existing Little Buffalo Creek reach within the project area does not currently have a
FEMA - delineated floodplain or floodway, the Conditional Letter of Map Revision
(CLOMR) /LOMR process will not be applicable to this project.
8.4 Stormwater Best Management Practices
The project site is almost entirely pastureland for cattle. There are a few small barns and
buildings within the site and gravel and paved roads around it. Aside from the precipitation
that falls directly on the ponds and stream channel itself, all stormwater generated onsite will
be funneled through a riparian buffer on either Little Buffalo Creek or one of its tributaries.
Although not a stormwater best management practice (BMP), but rather an agricultural BMP,
drinking wells will be installed now that the cattle are excluded from the stream.
8.5 Hydrological Modifications (for wetland restoration or enhancement)
No wetlands were identified on Site; therefore, hydrological modifications are not necessary.
8.6 Soil Restoration
At this point in time no soil restoration is planned onsite; nearly all of the areas to be planted
are existing cattle pasture and aside from minimal compaction due to livestock intrusion,
should be suitable for planting. In the area where new channel is proposed, the design does not
include excavation into the subsoils and no soil restoration is planned in these sections.
8.7 Natural Plant Communitv Restoration
8.7.1 Narrative of Plant Community Restoration
In general, the goal of the planting scheme will be to establish a riparian forest community
consistent with a Piedmont/Mountain Bottomland Forest. Berger's planting plan will
incorporate the use of native trees and shrubs.
8.7.2 Seeding Plan Summary for Vegetation Communities and Zones
For areas of restoration, an herbaceous seed mix will be used to cover the old portions of the
stream channel.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
8.7.3 Planting Plan Summary for Vegetation Communities and Zones
Tree species will be established through the planting of live stakes and bare root or tubeling
seedlings of hardwood species native to the area. The establishment of species will follow the
Guidelines for Riparian Buffer Restoration (NCEEP 2004). The overall goal of the planting
density is to attain a minimum density of 260 trees per acre at maturity (five years). Planting
stock will be obtained from sources within 200 miles of the site. Target plant species can be
found in Table 7 of Section 12 in the report.
There will be three planting zones. Zone 1 includes the areas of the inner stream berm up to
bankfull in the restoration and enhancement level I mitigation areas. This zone will be planted
with livestakes to provide stabilization to the streambank. Zone 1 will consist of black willows
(Salix nigra) and silky dogwood live stakes planted at 2000 stems per acre. Stakes will be
installed along both banks on five -foot centers in a triangular pattern. Zone 2 includes the
bankfull bench of the stream and will be planted with bare root or tubeling plants. Zone 2 will
consist of nine -foot spacing on center bare root or tubeling of species such as hazel alder, river
birch, ironwood (Carpinus caroliniana), silky dogwood, green ash, spicebush, sycamore, black
willow, and arrowwood (Viburnum dentatum). Zone 3 includes the area above the bankfull
bench to 50 feet from the top of bank. This zone will also be planted with bare root or tubeling
plants. Zone 3 will consist of nine -foot spacing on center bare root or tubeling of species such
as ironwood, sugarberry (Celtis laevigata), redbud, green ash, sycamore and tulip poplar. Both
Zone 2 and 3 will be planted at 500 stems per acre with species consistent with a
Piedmont /Mountain Bottomland Forest to enhance the existing riparian buffer. Zones 2 and 3
will be plants for all levels of mitigation except for preservation. The planting summary is
detailed in Table 7 of Section 12.0 and shown on design sheets 30 to 41 of Section 14.
Seedlings will be established in a naturalized pattern to avoid creating rows and monotypic
stands. Tree species will be established within zones that reflect the preferable hydrologic
regimes of each species; areas with the longer periods of inundation will be planted with flood
tolerant species. To encourage a higher diversity of woody plant species on the site, planting
patterns will include leaving small gaps to provide open areas for recruitment.
8.7.4 Narrative of species management
A few areas of invasive floral species were identified in patchy distributions at various
densities, particularly along the banks of the mainstem and UT 7. Invasive species along the
mainstem include: multiflora rose (Rosa multiflora) and Chinese privet. Invasive species along
UT 7 include: tree of heaven, mimosa, microstegium, and Chinese privet. No specific control
effort is detailed for these species; however, the woody species will be removed during
construction and remaining root stumps treated with an appropriate herbicide.
Performance Criteria
9.1 Streams
For stream hydrology, a minimum of two bankfull events must be documented within the
standard 5 -year monitoring period. In order for the monitoring to be considered complete, the
two verification events must occur in separate monitoring years.
All of the morphologic and channel stability parameters will be evaluated in the context of
hydrologic events to which the system is exposed.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
• Dimension — General maintenance of a stable cross - section and hydrologic access to the
floodplain features over the course of the monitoring period will generally represent success in
dimensional stability. For stream dimension, cross - sectional overlays and key parameters such
as cross - sectional area, and the channel's width to depth ratios should demonstrate relative
stability in order to be deemed successful.
• Pattern — Pattern features should show little adjustment over the standard 5 year monitoring
period. Rates of lateral migration need to be moderate.
• Profile — For the channels' profile, the reach under assessment should not demonstrate any
trends in thalweg aggradation or degradation over any significant continuous portion of its
length. Over the monitoring period, the profile should also demonstrate the maintenance or
development of bedform (facets) more in keeping with reference level diversity and
distributions for the stream type in question. It should also provide a meaningful contrast in
terms of bedform diversity against the pre- existing condition. Bedform distributions, riffle /pool
lengths and slopes will vary, but should do so with maintenance around design distributions.
This requires that the majority of pools are maintained at greater depths with lower water
surface slopes and riffles are shallow with greater water surface slopes.
• Substrate and Sediment Transport — Substrate measurements should indicate progression
towards, or maintenance of the known distributions from the design phase. Sediment Transport
should be deemed successful in by absence of any significant trend in the aggradation or
depositional potential of the channel.
9.2 Vegetation
Survival of woody species planted at mitigation sites should be at least 320 stems /acre through
year three. A 10 percent mortality rate will be accepted in year four (288 stems /acre) and
another 10 percent in year five resulting in a required survival rate of 260 trees /acre through
year five. This is consistent with Wilmington District (1993) guidance for wetland mitigation
(USACE 2003).
9.3 Schedule /Reporting
Berger will be responsible for the success of the restoration project. Annual monitoring of the
site will be carried out for a period of five years after completion of all restoration activities, or
until the restoration site is deemed successful. Monitoring will be conducted each year and the
subsequent report will be submitted to NCEEP before December 31 of that year. Required
documents will also be delivered to Carolina Vegetation Survey as required. Direct sampling
and measurement techniques will be employed as well as photo - documentation. Based on field
observations and annual monitoring results, Berger will determine if actions are required to
reach or exceed the performance criteria outlined in the Mitigation Plan. Monitoring Reports
(including the Summary Report) will follow the format established in the NCEEP Full
Delivery Templates Version 1.2 (11116/06), which will be obtained from the EEP Project
Manager. Additionally, Berger will utilize EEP's monitoring template and guidance V -1.3
(01/15/2010) for this project, available on the website at http: / /portal.ncdenr.org /web /eep /fd-
forms- templates.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
10. Preliminary Monitoring
The surface water hydrology at the Little Buffalo Creek Stream Restoration site will be
monitored using a stream gage with an automatic data logger. The gage will be established to
compare the surface water level in the streams to the mean bankfull stage. The performance
criteria prescribed in the Stream Mitigation Guidelines (USACE 2003) requires that at least
two bankfull events are documented during the five year monitoring period. If less than two
bankfull events occur during the first five years, the annual monitoring will be required to
continue until the second bankfull event is documented. The two documented bankfull events
must occur during separate monitoring years.
Stream channel stability will be determined by measuring the dimension, pattern, and profile
of the stream to determine the rates, magnitude, and direction of stream adjustments. Rosgen
methodologies of determining stream stability will be employed. Monumented cross - sections
will be installed and surveyed on a yearly basis to monitor vertical bed stability in accordance
with NCDENR stream monitoring guidelines. A longitudinal profile will be surveyed along the
thalweg of the channel to capture the bed slope and determine the level of aggradation or
degradation and capture any changes in the pool /riffle sequence. The stream pattern will be
evaluated by measuring the sinuosity of the channel, which will be calculated by dividing the
channel length determined during the long profile by the straight -line valley length. Pebble
counts will also be performed to assess changes in bed material distribution (i.e., finer
substrate in pools and coarser substrate in riffles). As part of the pre - construction visual
inspection and during monitoring year 5, a detailed BEHI and Near Bank Stress (NBS)
assessment will be performed. The entire project will be classified into the BEHI erosion
hazard categories and accompanied by an NBS assessment for the purpose of describing
sediment export estimates (tonnage per annum).
Problem areas will be identified based on a visual inspection of vegetative and structural
characteristics. Vegetative problem areas will be identified as either lacking vegetation or
containing exotic vegetation and the probable cause of the problem will be described, shown in
a plan view, and photographed. Invasive species will be observed and documented each
monitoring year in the areas of restoration and enhancement level I. If invasive plant
populations become problematic, Berger will manage and control them as necessary by
mechanical and /or chemical methods. Any vegetation control requiring herbicide application
will be performed in accordance with NC Department of Agriculture (NCDA) rules and
regulations. Structural problem areas will be identified in more descriptive terms by individual
issue. Aggradation or degradation of channel slope, instream and engineered structures, bank
erosions and other physical stability problems will be measured, described, shown in plan
view, and photographed.
Vegetative establishment will be monitored through the use of permanent sample quadrats
established at random locations. The quadrats will be monitored annually employing
techniques described per the CVS -EEP Protocol for Recording Vegetation- VERSION 4.0 as
published at NCEEP's website: http: / /portal.ncdenr.org /web /eep//process- and - protocol. One
representative digital photo of each sample plot will be taken the same day as the vegetative
sampling is conducted. A series of fixed photograph stations will be established upon the as-
built survey to record a set of representative views during subsequent monitoring years.
Little Buffalo Creek Stream Restoration Plan Page 46

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
10.1 Anticipated Performance Criteria
As stated above, Berger intends to follow the 2003 Stream Mitigation Guidelines and the 2006
CVS -EEP Vegetation Monitoring Protocol as the protocols for monitoring. More specifically,
Berger is planning the following assessments:
C',rncc cserlinn.q
• LBC Stations 21 +25 through 25 +75, 2 riffle and 2 pool cross sections,
• LBC Stations 48 +00 through 51 +00, 1 riffle and 1 pool cross sections,
• LBC Stations 64 +00 through 65 +25, 1 riffle and 1 pool cross sections,
• UT 3 Stations 10 +00 through 12 +00, 1 riffle and 1 pool cross sections,
• UT 3 Stations 14 +00 through 20 +00, 1 riffle and 1 pool cross sections,
• UT 4 Stations 13 +60 through 18 +28, 1 riffle and 1 pool cross sections,
• UT 7 Stations 12 +00 through 23 +00, 2 riffle, 2 pool, 2 step -pool cross sections.
Longitudinal Profiles
• LBC Stations 20 +00 through 27 +00, no less than 500 linear feet,
• LBC Stations 47 +00 through 52 +00, no less than 300 linear feet, and
• UT 7 Stations 10 +00 through 23 +00, no less than 1,100 linear feet.
Vegetation Plots
Using the CVS -EEP protocol, Berger has determined that 18 vegetation plots will be
required within the restoration and enhancement reaches onsite. No vegetation plots will be
established in preservation reaches. These plots will be monitored using Levels 1 and 2 plot
sampling. The location of these plots has not been established yet.
Photo Points
Berger expects to install and monitor 24 photo points throughout the site. The photo points
will capture restoration, enhancement, and preservation reaches and will be in addition to
photographs taken at cross sections and vegetation plots. The location of these plots has not
been established yet.
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
11. References
Environmental Laboratory 1987. Corps of Engineers Wetlands Delineation Manual, Technical
Report Y -87 -1, US Army Engineer Waterways Experiment Station, Vicksburg, MS.
Griffith, G.E. Omernik, J.M., Comstock, J.A., Schafale, M.P., McNab, W.H., Lenat, D.R.,
MacPherson, T.F. 2002. Ecoregions of North Carolina, U.S. Environmental Protection
Agency, Corvallis, OR, (map scale 1:1,500,000).
Harman, W.H. et al. 1999. Bankfull Hydraulic Geometry Relationships for North Carolina
Streams. Regional Curves for the three physiographic regions of North Carolina.
Available URLs:
http: / /www.bae .ncsu. edu /programs/ extension /wqg /srp /techresources.html
http: / /www.bae.ncsu. edu /programs/ extension /wqg /srp /rural _pied _paper.html
NCDENR 2010. Natural Heritage Element Occurrences and Significant Natural Heritage
Areas Shapefile, April 2010. North Carolina Natural Heritage Program, Division of
Natural Resources Planning and Conservation, North Carolina Department of
Environment and Natural Resources.
NCDWQ 2007. Basinwide Assessment Report — Yadkin River Basin. North Carolina
Department of Environment and Natural Resources, Division of Water Quality. Available
URL: http: //h2o.enr. state. nc. us/ esb /Basinwide/YADBasinwide2007.pdf
NCDWQ 2008a. Yadkin — Pee Dee River Basin Plan. North Carolina Department of
Environment and Natural Resources, Division of Water Quality. Available URL:
http://h2o.enr.state.nc.us/basinwide/Neuse/2008/Yadkin2OO8.htm
NCDWQ 2008b. North Carolina Final 2008 303(d) list. North Carolina Waterbodies Listed by
Subbasin. North Carolina Department of Environment and Natural Resources, Division
of Water Quality. Available URL:
http://portal.ncdenr.org/web/wq/ps/mtu/assessment
NCDWQ 2010. North Carolina Waterbodies Reports. North Carolina Waterbodies Listed by
County. North Carolina Department of Environment and Natural Resources, Division of
Water Quality. Available URL:
http: //h2o.enr. state. nc. us /bims/ reports/ basinsandwaterbodies /Cabarrus.pdf
Last updated: July 24, 2010.
NCEEP 2004. North Carolina Ecosystem Enhancement Program. Guidelines for Riparian
Buffer Restoration. October 2004. Available URL:
http://www.nceep.net/news/reportsibuffers.pd
NCEEP 2009a. North Carolina Ecosystem Enhancement Program Targeted Local Watersheds.
Available URL: http: / /portal.ncdenr.org /web /eep /rbrps /yadkin
NCEEP 2009b. Lower Yadkin Pee Dee River Basin Restoration Priorities.
Available URL: http://portal.ncdenr.org/web/eep/rblps/
NCNHP 2010. North Carolina Natural Heritage Program. Natural Heritage Program List of
Rare Plant Species of North Carolina. Office of Conservation and Community Affairs,
Little Buffalo Creek Stream Restoration Plan Page 48

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
NC. Department of Environment and Natural Resources. Raleigh, NC. Available URL:
http: / /nhpweb.enr.state.nc.us /search /county.html Accessed: August 11, 2010.
Rosgen, Dave 2006. Watershed Assessment of River Stability and Sediment Supply
(WARSSS), Pagosa Springs Colorado, Wildland Hydrology Books, 2006.
Rosgen, Dave 2001. A Stream Channel Stability Assessment Methodology, Proceedings of the
Seventh Federal Interagency Sedimentation Conference, Vol. 2, pp. II - 18 -26, March 25-
29, 2001, Reno, NV
Rosgen, Dave 1996. Applied River Morphology. Pagosa Springs Colorado, Wildland
Hydrology Books, 1996.
Schafale, M.P. and A.S. Weakley 1990. Classification of the Natural Communities of North
Carolina, A Third Approximation. North Carolina Natural Heritage Program, Division of
Parks and Recreation, Department of Environment, Health and Natural Resources.
Raleigh, NC.
USACE 2003. Stream Mitigation Guidelines. Prepared by: USACE, NCDWQ, USEPA,
NCWRC.
USDA, 2010. Soil Survey Staff, Natural Resources Conservation Service, United States
Department of Agriculture. Web Soil Survey. Available online at
http : / /websoilsurvey.nres.usda.gov/ accessed [August /2/2010].
USDA 2009a. U.S. Department of Agriculture, Natural Resource Conservation Service. Soil
Survey Geographic (SSURGO) database for Cabarrus County, North Carolina. 2009
Shapefiles. Available URL: http : / /SoilDataMart.nres.usda.gov/
USDA 2009b. U.S. Department of Agriculture, Natural Resource Conservation Service. Soil
Survey Geographic (SSURGO) database for Rowan County, North Carolina. 2009
Shapefiles. Available URL: http: / /SoilDataMart.nres.usda.gov/
USDA 2005. US Department of Agriculture, Farm Service Agency. Aerial Photography Field
Office. National High Altitude Program. 2005 NAIP05 Cabarrus County Aerial Images.
Available URL:
http://www.cabarruscounty.us/GIS/
USDA 2006. US Department of Agriculture, Farm Service Agency. Aerial Photography Field
Office. National High Altitude Program. 2006 NAIP06 Rowan County Aerial Images.
Available URL:
http: / /www.co. rowan.nc.us /GOVERNMENT/ Departments /PlanningDevelopment/GIS /ta
bid /25 7 /Default. aspx
USDA 1983. US Department of Agriculture, Farm Service Agency. Aerial Photography Field
Office. National High Altitude Program. 1983 N14AP1 Aerial Images for Cabarrus and
Rowan Counties. Image: HAP83- 189 -3; HAP93- 189 -4; HAP83- 39 -73; HAP83- 39 -74.
USFWS 2008. List of Endangered, Threatened, Proposed and Candidate Species for the
Southeast Region. Cabarrus County, North Carolina. Available URL:
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
http://www.fivs.gov/nc-es/es/countyfr.htrnl. Last updated: January 31, 2008. Accessed:
August 11, 2010.
USGS 2010. USGS Water Resources. National Water Information System: Web Interface.
Peak Streamflow for the Nation. USGS 02125000 BIG BEAR CR NR RICHFIELD, NC.
Available URL:
http: / /nwis.waterdata.usgs.gov /nwis /peak ?site_no = 02125 000 &agency _ cd =USGS &forma
t =html
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The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Tables
Table 1: Project Components
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Reach
c
��.
Footage
ID
W
Restoration Level and Ratio
(linear feet)
Stationing"
Reach 1
2 300
Restoration 1:1
Enhancement Level 11 2.5:1
pl
438 R; 1862 EII
10 +00 to 33 +00
:77..7
Reach 2
1 248
Enhancement Level 11 2.5:1
NA
1248 EII
33 +62 to 46 +10
3.8
Reach 3
1 075
Restoration 1:1
Enhancement Level 11 2.5:1
P1
P2
267 R; 808 EII
46 +10 to 56 +85
3.9
Enhancement Level I 1.5:1
P2
Reach 4
841
Enhancement Level 11 2.5:1
P2
120 EI; 721 EII
56 +85 to 65 +26
3.2
Reach 5
952
Enhancement Level 11 2.5:1
NA
952 EII;
65 +26 to 74 +78
2.7
75 +05 to 82 +48;
Reach 6
2053
Preservation 5:1
NA
2,053 P
91 +79 to
10.0
104 +90
UT 1
109
Enhancement Level 11 2.5:1
NA
109 EII
10 +00 to 11 +09
0.1
Enhancement Level 11 2.5:1
UT 2
951
Preservation 5:1
NA
616 EII; 335 P
10 +00 to 19 +50
2.7
Restoration 1:1
P1
197 R;
UT 3
1 475
Enhancement Level I 1.5:1
P2
515 EI;
10 +00 to 24 +74
4.2
Enhancement Level 11 2.5:1
P2
763 EII
UT 4
828
Enhancement Level I 1.5:1
Enhancement Level 11 2.5:1
P2
P2
397 EI; 431 EII
10 +00 to 18 +28
1.9
UT 5
184
Enhancement Level 11 2.5:1
NA
184 EII
10 +00 to 11 +84
0.5
UT 6
151
Enhancement Level 11 2.5:1
NA
151 EII
10 +00 to 11 +51
0.4
UT 7*
1 374
Restoration 1:1
P1
1,374 R
10 +00 to 23 +74
5.9
UT 8*
100
Restoration 1:1
P1
100 R
10 +00 to 23 +74
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
OUT 8 to UT7's flow was redirected to join UT7 at new location.
',Tote: Stationing based off of proposed lengths; therefore it may not correspond to existing feet. Also, due to rounding some of the
clues when added may appear to be 1' short of total, this is purely a product of values being rounded to nearest linear foot.
Component Summations
Restoration Level Stream (linear feet) Ratio Stream Mitigation
Units
Restoration
2,376
1:1
2,376
Enhancement Level I
1,032
1.5:1
688
Enhancement Level II
7,845
2.5:1
3,138
Preservation
2,388
5:1
478
TOTALS
13,641
N/A
6,679
Table 2: Project Activity and Reporting History
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Activity or Report
Data Collection Complete
Completion or Delivery
Technical Proposal
June 2009
August 2008
Categorical Exclusion
February 2010
March 2010
Secure Conservation Easement
March 2010
July 2012
Mitigation Plan
August 2010
April 2013
Final Design — Construction Plans
N/A
May 2013
Construction
N/A
August 2013
Fencing Installation
N/A
September 2013
Native Species Planting
N/A
October 2013
Mitigation Plan / As -built (Year 0 Monitoring —
Baseline)
November 2013
December 2013
Year 1 Monitoring
November 2014
December 2014
Year 2 Monitoring
November 2015
December 2015
Year 3 Monitoring
November 2016
December 2016
Year 4 Monitoring
November 2017
December 2017
Year 5 Monitoring
November 2018
December 2018
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 3: Project Contact Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Designer
The Louis Berger Group, Inc.
1001 Wade Avenue, Suite 400
Leigh, NC 27605
rimary Project Design POC
Michael O'Rourke (919) 866 -4421
Edward Samanns (973) 407 -1468
Construction Contractor
To be determined
Construction contractor POC
Fencing Contractor
To be determined
Fencing Contractor POC
Planting Contractor
To be determined
Planting Contract POC
Nursery Stock Suppliers
o be determined
Monitoring Performers
The Louis Berger Group, Inc.
1001 Wade Avenue, Suite 400
Leigh, NC 27605
EE Consulting
Stream Monitoring POC
Louis Berger Group, Inc., Jennifer Brunton, P.E.
973 - 407 -1365)
Vegetation Monitoring POC
EEE Consulting, Tina Sekula, PWS (919- 866 -4439)
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger GrOUD. Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Final Little Buffalo Creek Stream Mitigation Plan
Table 4: Project Attribute Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Project County
Cabarrus Count
Physiographic Region
Piedmont
Ecoregion
Southern Outer Piedmont
Project River Basin
Yadkin-Pee Dee River
USGS HUC for Project (14 digit)
03040105020060
NCDWQ Sub -basin for Project
3 -07 -12
Within extent of EEP Watershed Plan?
No
WRC Class (Warm, Cool, Cold)
Warmwater
% of project easement fenced or demarcated
100% of the project easement will be demarcated and approximately 85% will be fenced.
Beaver activity observed during des i n phase?
es
Restoration Comp onent Attribute
Table (Mainstem)
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
Drainage Area (acres)
1914
2146
2446
2568
2632
4039
Stream order
/3
3
3
3
3
3/4
Restored (R) /Enhanced (EI or EII) / Preserved
(P) length (feet)
438 (R)
1862 (EII)
1248 (EII)
267 (R)
808 (EII)
120 (EI)
721 (EII)
952 (EII)
2053 (P)
Perennial or Intermittent
Perennial
Perennial
Perennial
Perennial
Perennial
Perennial
Watershed type (Rural, Urban, Developing, etc)
Rural
Rural
Rural
Rural
Rural
Rural
Watershed LULC Distribution (e.g.)
Residential
Ag -Row Crop
Ag- Livestock
Forested
10
10
10
10
10
10
40
40
40
40
40
40
50
50
50
50
50
50
Watershed Impervious cover ( %)
%
%
%
%
%
%
NCDWQ AU/Index number
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
NCDWQ classification
303d listed?
No
No
No
No
No
No
Upstream of a 303d listed segment?
No
No
No
No
No
No
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger GroUD. Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 4: Project Attribute Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Reasons for 303d listing or stressor
/A
/A
/A
/A
/A
/A
Total acreage of easement
7.7
3.8
3.9
3.2
2.7
10.0
Total vegetated acreage within the easement
4.0
1.3
2.4
0.6
1.5
8.1
Total planted acreage as part of restoration
3.7
2.5
1.5
2.6
1.2
1.9
Rosgen classification of existing
4/174
4/E4
4/174
C4
4 /D4b
C4
Rosgen classification of As -built
C4
No Restoration
C4
No Restoration
No Restoration
No Restoration
Valley type
VIII
Vill
Vill
Vill
Vill
Vill
Valley sloe
0.48%
0.38%
0.51%
39%
0.47%
0.43%
Cowardin classification
/A
/A
/A
/A
/A
/A
Trout waters designation
/A
/A
/A
/A
/A
/A
Species of concern, endangered, etc.? (Y/N)
No
No
No
No
No
No
Dominant soil series and characteristics
Series
hewacla/
oldston
Chewacla
Chewacla
Chewacla
Chewacla
Chewacla
Depth
6 to 18 in/
10 -20 inches
6 to 18 in
6 to 18 in
6 to 18 in
6 to 18 in
6 to 18 in
Clay
K
T
Note: N/A is used for items that do not apply, " -" is used for items that are unavailable, "U" is used for items that are unknown and "NA" is used for items that are not applicable due to the
fact that the mitigation project is stream preservation only.
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger GrOHD. Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Final Little Buffalo Creek Stream Mitigation Plan
Table 4: Project Attribute Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Project County
Cabarrus County
Ph sio ra hic Region
Piedmont
Ecore ion
Southern Outer Piedmont
Project River Basin
Yadkin-Pee Dee River
USGS HUC for Project (14 digit)
03040105020060
NCDWQ Sub -basin for Project
3 -07 -12
Within extent of EEP Watershed Plan?
No
WRC Class (Warm, Cool, Cold)
Warmwater
% of project easement fenced or demarcated
100% of the project easement will be demarcated and approximately
85% will be fenced.
Beaver activity observed during design phase?
es
Restoration Component Attribute Table (Unnamed Tributaries)
T1
UT 2
UT 3
UT 4
UT S
UT 6
UT 7 /UT8
Drainage Area (acres)
293
193
62
254
8
16
1222
Stream order
2
1
1
2
1
1
/1
Restored (R) /Enhanced (EI or EII) / Preserved
(P) length (feet)
109 (EI)
616 (EII)
335 (P)
197(R)
515 (EI)
63 (EII)
397 (EI)
431 (EII)
184 (EII)
151 (EII)
1474 (R)
Perennial or Intermittent
Intermittent
Intermittent
Intermittent
Perennial
Intermittent
Intermittent
Perennial
Watershed type (Rural, Urban, Developing, etc)
Rural
Rural
Rural
Rural
Rural
Rural
Rural
Watershed LULC Distribution (e.g.)
Residential
Ag -Row Crop
Ag- Livestock
Forested
20
20
100
20
80
0
45
80
80
0
80
20
20
50
Watershed Impervious cover ( %)
%
%
%
%
%
%
%
NCDWQ AU/Index number
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
13- 17 -11 -6
NCDWQ classification
303d listed?
No
NO
NO
NO
NO
NO
No
Upstream of a 303d listed segment?
No
NO
NO
NO
NO
NO
No
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger GroUD. Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 4: Project Attribute Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Reasons for 303d listing or stressor
/A
/A
/A
/A
/A
/A
/A
Total acreage of easement
11
2.7
4.2
1.9
.5
.4
5.9
Total vegetated acreage within the easement
.6
0.2
1.6
.05
1.2
Total planted acreage as part of restoration
11
2.1
4.0
0.3
.5
.35
4.7
Rosgen classification of existing
NA
136
6/G6
134c
NA
NA
F4
Rosgen classification of As -built
No Restoration
No Restoration
136
134c
No Restoration
No Restoration
C4
Valley type
NA
11
11
11
NA
NA
Vill
Valley sloe
NA
2.45%
2.35%
2.17%
NA
NA
0.96%
Cowardin classification
/A
/A
/A
/A
/A
/A
/A
Trout waters designation
o
No
No
No
No
No
No
Species of concern, endangered, etc.? (Y/N)
No
No
No
No
No
No
No
Dominant soil series and characteristics
Series
Chewacla
Chewacla
adin/
eorgeville
Goldston
Goldston
Goldston
Chewacla
Depth
-18 inches
-18 inches
2+ inches/
72+ inches
10 to 20
Inches
10 to 20
inches
10 to 20
. nches
-18 inches
Clay
K
T
Note: N/A is used for items that do not apply, " -" is used for items that are unavailable, "U" is used for items that are unknown and "NA" is used for items that are not applicable due to the
fact that the mitigation project is stream preservation only. UT 1, UT 5, & UT 6 are not classified as the reaches are 100 feet long or less.
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 5: Morphological Design Table
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
tem
Existing
Conditions
Designed
Conditions
Reference Reach
LOCATION
Reach I
Reach I
Reach I
Stream Type
C4 /174
C4
C4
Drainage Area, Ac
1470
1470
1470
ankfull Width (Wbkf), ft
46 -57 -83
36
43 -52 -64
ankfull Mean Depth (dbkf), ft
0.65- 1.18 -1.60
1.38
0.98- 1.16 -1.38
Width/Depth Ratio (Wbkf/ dbkf)
33 -57 -128
26
31 -47 -64
ankfull X- Section Area (Abkf), ft2
54 -63 -83
49.5
55 -59 -65
ankfull Mean Velocity, fps
1.82
2.32
2.44
ankfull Discharge, cfs
115
115
115
ankfull Max Depth (dma,), ft
2.54- 3.04 -3.83
1.5
2.17- 2.41 -2.50
Depth Ratio dma, /dbkf
3.91- 2.58 -2.39
1.09
2.21- 2.08 -1.81
Low Bank Height
2.8
1.5
1.89
Bank Height Ratio (BHR)
0.91- 1.09 -1.37
1
1.15- 1.28 -1.32
Width Flood-prone Area (Wf a), ft
68- 107 -177
>88
>150
Entrenchment Ratio (ER)
1.49- 1.84 -2.17
>1.53
>2.2
Valley Slo e (S„alle ), ft/ft
0.0055
0.0055
0.0055
Channel Slope (S,ba1111el), ft/ft
0.0047
0.0035
0.0039
Sinuosity (K)
1.05
1.27
1.16
LOCATION
Reach 3
Reach 3
Reach I
Stream Type
C4
C4
C4
Drainage Area, Ac
2081
2081
1470
ankfull Width (Wbkf), ft
34 -41 -48
40
43 -52 -64
ankfull Mean Depth (dbkf), ft
1.20- 1.47 -1.80
1.80
0.98- 1.16 -1.38
Width/Depth Ratio (Wbkf/ dbkf)
19 -30 -40
22
31 -47 -64
ankfull X- Section Area (Abkf), ft2
58 -60 -62
72
55 -59 -65
ankfull Mean Velocity, fps
2.73
2.3
2.44
ankfull Discharge, cfs
163
163
115
ankfull Max Depth (dma,), ft
2.47- 2.78 -3.09
2.0
2.17- 2.41 -2.50
Depth Ratio dma, /dbkf
2.06- 1.89 -1.72
1.11
2.21- 2.08 -1.81
Low Bank Height
1.27
2
1.89
Bank Height Ratio (BHR)
1.94- 2.19 -2.43
1
1.15- 1.28 -1.32
Width Flood-prone Area (Wf a), ft
258- 265 -272
>88
>150
Entrenchment Ratio (ER)
5.3- 6.5 -7.7
>2.1
>2.2
Valley Slope (S,alle ), ft/ft
0.0037
0.0037
0.0055
Channel Slope (S,ba1111el), ft/ft
0.0067
0.0018
0.0039
Sinuosity (K)
1.13
1.39
1.16
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 5: Morphological Design Table Continued.
LOCATION
UT 7
UT 7
Reach I
tream Type
F4 /C4
C4
C4
Drainage Area, Ac
1230
1230
1470
ankfull Width (Wbkf), ft
20 -26 -30
25
43 -52 -64
ankfull Mean Depth (dbkf), ft
0.85- 1.00 -1.17
0.97
0.98- 1.16 -1.38
Width/Depth Ratio (Wbkf/ dbkf)
20 -26 -32
26
31 -47 -64
ankfull X- Section Area (Abkf), ft2
20 -26 -31
24.3
55 -59 -65
ankfull Mean Velocity, fps
3.7
3.9
2.44
ankfull Discharge, cfs
96
96
115
ankfull Max Depth (dnnx), ft
1.79- 2.16 -2.95
1.13
2.17- 2.41 -2.50
Width Flood-prone Area (Wf a), ft
39 -54 -91
>55
>150
ntrenchment Ratio (ER)
1.45- 2.07 -3.01
>2.2
>2.2
Bander Length (Lm), ft
NA
NA
NA
*Reach 1, Reach 3, and UT 7 are the only reaches where restoration is proposed.
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 6: BEHI and Sediment Export Estimates for Project Site Streams
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
ime Point each in. Ft
Extreme
Very High
High
Moderate
Low
Very Low
ft
%
ft
%
ft
%
ft
%
ft
%
ft
%
reconstruction
1 Ell
1,862
1,862
100
reconstruction
1 Rest
438
438
100
reconstruction
2 Ell
1,248
1,248
100
reconstruction
3 Rest
267
267
100
reconstruction
3 Ell
808
808
100
reconstruction
I Ell
721
360.5
50
360.5
50
reconstruction
EI
120
120
100
reconstruction
5 Ell
952
952
100
reconstruction
6 Pres
2,053
2,053
100
reconstruction
UT 1 Ell
109
109
100
reconstruction
UT 2 Pres.
335
335
100
reconstruction
UT 2 EII
616
616
100
reconstruction
UT 3 Res
197
197
100
reconstruction
UT 3 EI
515
515
100
reconstruction
UT 3 Ell
763
763
100
reconstruction
UT 4 EI
397
397
100
reconstruction
UT 4 Ell
431
431
100
reconstruction
UT 5
184
184
100
reconstruction
UT 6
151
151
100
reconstruction
UT 7 Rest
1374
1373
100
reconstruction
UT 8 rest
100
100
100
Project Total
14,379
791
5.5
2,174
15.1
1,012
7.0
3,595
25.0
6,807
47.4
Note: The percentages are based off the pre - construction linear feet measurements, not SMUs.
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 7 — Planting Summary for Vegetative Communities and Zones
Little Buffalo Creek Stream Mitigation Project
EEP Project No. 94147
Zone
Species
Common
Type
Species
Quantity
Acreage
Total
Name
percent
per Acre
Quantity
I
IX
alixnigra
black billow
live stake
60%
1200
0.33
396
Q M
N M
ornus amomum
silky dogwood
live stake
40%
800
0.33
264
OTALS
2000
0.33
660
are root or
lnus serrulata
hazel alder
tubeling
15%
75
11.42
571
are root or
11.42
etula ni ra
river birch
tubeling
10%
50
571
are root or
11.42
ar inus caroliniana
ironwood
tubeling
10%
50
571
are root or
11.42
ornus amomum
silky dogwood
tubeling
5%
25
285
raxinus
bare root or
11.42
N
ennsylvanica
green ash
tubeling
10%
50
571
are root or
11.42
N
indera benzoin
spicebush
tubeling
10%
50
571
are root or
11.42
latanus occidentalis
sycamore
tubeling
15%
75
856
are root or
11.42
alix nigra
black willow
tubeling
10%
50
571
are root or
11.42
Viburnum dentatum
arrowwood
tubeling
15%
75
856
OTALS
500
11.42
5710
are root or
arpinus caroliniana
ironwood
tubeling
10%
50
12.17
608
are root or
12.17
608
eltis laevi ata
sugarberry
tubeling
10%
50
are root or
12.17
608
ercis canadensis
redbud
tubeling
10%
50
IX
raxinus
bare root or
12.17
enns lvanica
green ash
tubeling
5%
25
304
N
are root or
12.17
M
indera benzoin
spicebush
tubeling
10%
50
608
iriodendron
bare root or
12.17
N
ulipifera
tulip poplar
tubeling
20%
100
1271
are root or
12.17
uercus alba
white oak
tubeling
15%
75
912
are root or
12.17
608
Hums rubra
slippery elm
tubeling
10%
50
are root or
12.17
608
Viburnum dentatum
arrowwood
tubeling
10%
50
OTALS
500
12.17
6085
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Table 8 — Seeding Summary for Permanent Vegetation
Little Buffalo Creek Stream Mitigation Project
EEP Proiect No. 94147
Scientific Name
Panicum virgatum var. Shelter
Panicum clandestinum var. Tioga
Elymus virginiana
Mixed Wildflowers
Common Name
Switchgrass
Deer tongue
Virginia wild rye
Meadow seed mix
Table 9 — Planting Summary for Temporary Sediment and Erosion Control Seed Mix
Little Buffalo Creek Stream Mitigation Project
EEP Proiect No. 94147
Scientific Name Common Name
Lolium multiflorum Annual rye
Dichanthelium clandestinum Deer tongue
Final Little Buffalo Creek Stream Mitigation Plan

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Figures
Final Little Buffalo Creek Stream Mitigation Plan

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Yadkin River Basin =_ "; r.: °',. ,r5,1 ,, • WAY_ 4-
030401050600
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03 -07 -12 y.; :: S { r!f J_ % r 4: 'y. r, Lf y } ti ,
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Legend N f North Carolina
Ecosystem Enhancement Program
Project Stream Segments Little Buffalo Creek Creek
r7DUSGS 14 Digit HUC Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Project Site Vicinity Ma
Source: USGS Topographic Quads: 0 0.5 1 THE LOUIS BERGERGROUP Figure 1
Gold Hill, Rockwell, Richfield, Miles 1001 Wade Avenue, Suite 400
and Mount Pleasant, NC Raleigh, NC 27605 September 2010

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Main Stem Drainage Areas Tributary Drainage Areas Project Stream Segments N
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Reach - Restoration Segments
1
Trib 1
BReach
Re ac h2
Tri b 2
Reach 3
Tri b 3
Reac h
Tri b
Reach 5
5
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Reach 6
Tri b 6
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Source: USGS Topographic Quads: Mlle
Gold Hill, Rockwell, Richfield, 0 0.5 1
and Mount Pleasant, NC
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Project Site Watershed Ma
imTHE LOUIS BERGERGROUP Figure 2
1001 Wade Avenue, Suite 400
Raleigh, NC 27605 September 2010

Legend
NRCS Soil
Project Stream Segments
Mitigation
Enhancement Level I
Enhancement Level 11
Exsting
Preservation m
Restoration 0 250 500
Feet
1,000 1,500 2,000 2,500
Source: USDA, Aerial Photography Field Office, North Carolina, 2009
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Project Site NRCS Soil Survey Ma
1001 Wade Avenue, Suite 400
5BTHE LOUIS BERGERGROUP
Figure 3
Raleigh, NC 27605
September 2010

Legend
Stream Guage Locations
• P,oposetl r.Ne r — sing
—Resto,.bn Segments
� Proje ct Stream Se gme nls
owenands
Source: USGS Topographic Quads: Feet
Gold Hill, Rockwell, Richfield,
and Mount Pleasant, NC 0 250 500 1,000 1,500 2,000
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Project Site Hydrological Features
with Gauge Locations
THE LOUIS BERGERGROUP Figure 4
" 1001 Wade Avenue, Suite 400
Raleigh, NC 27605 September 2010

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Figure 5: Project Site Wetland Delineation Map
Not applicable to this project. Figure not produced.
Final Little Buffalo Creek Stream Mitigation Plan

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Legend r Ecosystem Enhancement Program
Project Stream Segments Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
Reference Reach EEP Project # 002029
Reference Site Vid ity Ma
Source: USGS Topographic Quads: 0 0.5 1 THE LOUIS BERGERGROUP Figure 6
Gold Hill, Rockwell, Richfield, Miles 1001 Wade Avenue, Suite 400
and Mount Pleasant, NC Raleigh, NC 27605 September 2010

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Legend
- RestQrtion Segment5
411111D2eference Reach
Reference Reach Watershed
Project Stream Segmerts
Source: USGS Topographic Quads:
Gold Hill, Rockwell, Richfield,
and Mount Pleasant, NC
N
Mi les
0 0.5 1
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Reference Site Watershed Ma
THE LOUIS BERGERGROUP Figure 7
1001 Wade Avenue, Suite 400
Raleigh, NC 27605 September 2010

Legend
NRCS Soil
Project Stream Segments
Mitigation
Enhancement Level I
Enhancement Level 11
Exsting
Preservation
- Reference Reach
-Roads
Feet
0 250 500 1,000 1,500 2,000 2,500
Source: USDA, Aerial Photography Field Office, North Carolina, 2009
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Reference Site NRCS Soil Survey Ma
1001 Wade Avenue, Suite 400
5BTHE LOUIS BERGERGROUP
Figure 8
Raleigh, NC 27605
September 2010

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Figure 9: Reference Site Wetland Determination Sample Locations with Gauge Locations
Not applicable to this project. Figure not produced
Final Little Buffalo Creek Stream Mitigation Plan

Legend
- Reference Reach
Project Stream Segments
Mitigation
Enhancement Level I
Enhancement Level 11
Existing
Reservation
250 500
= Feet
1,000
Reference Reach Vegetative Communities
= Redmont /Mountain Bottomland Forest Source: USDA, Aerial Photography Field Office, North Carolina, 2009
North Carolina
Ecosystem Enhancement Program
Little Buffalo Creek Creek
Stream Restoration, Cabarrus County, NC
EEP Project # 002029
Site Vegetative Communities Ma
[Reference
THE LOUIS BERGERGROUP
1001 Wade Avenue, Suite 400
Raleigh, NC 27635
Figure 10
September 2010

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Design Plan Sheets
Final Little Buffalo Creek Stream Mitigation Plan

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STREAM RESTORATION PROJECT
IIIIIIII U77LE BUFFALO CREEK
CABARRUS�CIOO UNTY
ECOSYSTEM ENHANCEMENT PROGRAM IIIIIIII�I
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ENHANCEMENT LEVEL 2 50*76oM 56*65o32 UT--3 ENHANCEMENT LEVEL 2 19*74o90 24*74o90
ENHANCEMENT LEVEL 2 56*85e32 64*06 UT==4 ENHANCEMENT LEVEL 2 10*00 14*31
REACH 4
ENHANCEMENT LEVEL 1 64*06 65*26
REACH 5 ENHANCEMENT LEVEL 2 65*26 64 *68o37
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ADD40ONAL PROJEC T COMPOMEN73 ONC LUDE REMOVAL DATE MARCH 20
13
ENHANCEMENT =Eb== 2 OF E TONG FENCONG, FENCE ON87ALLAA40N, PROJECT NO. 94147
0NSTALLATOON OF TWO CATTLE CROS0NGS AND FLOOD OD (GATES FILENAME
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U4==6 ENHANCEMENT LEVEL 2 10 *00 11*51o33

FILANTM3 LEGEND
ZONE 1 (LIVE STAKES)
•
ZONE 3 (ABOVE BANKFULL)
— — — — — — — PROPERTY LINE
TREE LINES / WOODS
SINGLE TREE
SHRUB
EIP EXISTING IRON PIPE
EIR O EXISTING IRON ROD
• POLE
--c CULVERT
x x— FENCE
A CONCRETE MONUMENT
SUS LEGEND
— — - SF — — TEMPORARY BOLT
FENCE
LIMITS OF DISTURBANCE
STAGING & STOCKPILE
AREA
----- - - - - -- LIMITS OF GRADING
® REINFORCED
STABILIZED OUTLET
TEMPORARY CONSTRUCTION
ENTRANCE
PROPOSED PLAN LEGEND
PROPOSED 4' WOVEN WIRE
WITH 1 STRAND ELECTRIC
PROPOSED EASEMENT
9 ® ®®
STREAM ALIGNMENT
PROPOSED
DITCH PLUG
PROPOSED
LOG VANES
PROPOSED LARGE WOODY DEBRIS
PROPOSED ROCK CROSS VANE
PROPOSED LIVESTOCK CROSSING
Q PROPOSED LIVESTOCK WELL
SENSITIVE AREA
CNENERAL N07ES
1. THE HORHZONTAL COORDHNATC= SYSTEM HS THE NORTH CAROLONA ESTATE PLANE
COOOORDONATE SYSTEM, NADD83, Ore
2, ALL ELEVATOOONS SHOWN ON THESE PLANS ARE REFERENCED TO NAMDD68, Or,
3. PROPOSED CONSTRUCTED 87REAM FEATURES AND STRUCTURES SHOWN ON THE PLANS
ARE SHOWN ON TH FOR APPROXOMATE LOOCATOON AND SHALL BE FOELD LOCATED AND
DOMEN60NED TO ONSURE PROPER CHANNEL DOMENSOONS.
4e CONSTRUCTOOOIN ACTOYHTHES SHALL [SEWN UPSTREAM AND PROGRESS DOWNSTREAM,
UNLESS 07HERWHSE N 7EDD ON THESE PLANS OR AS DORECTEDD BY 7HE ENGOI EER.
5, ALL MECHNAONOZED E000PMENT OPERATED ON OR NEAR THE STREAM OR OTS
TROBUTAROES SHALL BE ONSPECTEDD REGULARLY AND MADNTAONEDD 70 PREVENT
COUNTAMONATOOON OF STREAM WATERS FROM FUELS, LUBROCAHNTS, HYDDRAULOC FLUODS
OR OTHER 7OXOC MATEROALS. ANY E000PMEN7 REPAORS, MAONTENANCE OR REFUELOONG
ACTOVOTHES SHALL NOT BE DONE WHOLE THE E000PMENT OS ON THE STREAM OR OTS
TROBUTAROES.
6e WASTE MATFROAL DEVONATIEDD FOR OOFFSHTF OMPOOBAL SHALL [SCE DONE ON
ACCORDANCE W07H ALL FEDERAL, STATE AND LOCAL REGULAT000N2.
6, CONTRACTOR SHALL BE RESPOONSOBLE FOR R REPAORS TO ANY DAMAGE TOO EXOSTONG
UTOLOTOES, ONCLUDDOUNIG BUT NOT LOMOTED TO, OVERHEAD AND UNDERGROUND UTOLOTOES,
CURB AND GUTTER, PAVEMENT, SODDEWALKS, STOORMWATER DDRAONAGE SYSTEMS,
SAfNOTARY SOWER SYSTEMS, ACCESS ROADS OR FENCONG. ANY REQUOREDD REPAORS
TO BE MADE ON ACCORDANCE WOTH ANY AND ALL APPLOCABLE STATE AND OR R LOCAL
MUHNHCOPALO`N STANDARDS. THE CONTRACTOR SHALL CONSULT WHTGH THE
"CALL BEFORE YOU DOG" TOLL FREE NUMBER 800432=4949, AND THE NC ONE
CALL CENTER AT LEA87 48 HOURS PROOOR TOO BEOHONNHNO ANY EARTHWORK
ACTWO70ES.
ao CONTRACTOR OS ADVOSEDD TOO USE CAU70N AND TOO FOLLOW ALL APPLOCABLE
REOULAT000fNS WffHN REGARDS 70 PEDDESTROAON AND C3Y87ANDER SAFETY.
9. CONTRACTOR OS RESPONSOBLE FOR COORDONATONG Mn OTH THE LAND OWNER
THROUGHOUT ALL PHASES OF COHNSSTRUCTOOOON REGARDOONG THE MOVEMENT AND
COHNTA° LAMENT OF LIVESTOCK AT THE 9HTE. THE CONTRACTOR SHALL COORDHHNATE
WOTGH THE LAND OWNER AS NECESSARY TO HHNSURIE AT ALL TONGS THAT LHYC -STOCK
ARE SAFELY AND SECURELY MOVED OUT OF ALL WORK AREAS, THAT LOVEST000K DOO
N007 ESCAPE FROM THE PROPERTY AS A RESULT OF CONSTRUCTOON AC70YOTHES,
THAT LOVESTOOCK ARE N07 HARMED AS A RESULT OF CONSTRUCTOOON ACTOVOMES,
THAT LOVESTOOCK ARE EXCLUDED AT ALL TOMES FROM THE ACTWE AND COMPLETED
WORK AREAS, AND THAT CONS7RUC70OHN ACTOVOTOES ARE NOT HNOONDEREDD, DELAYED,
OR DAMAGED BY LOVESTOOCK OR THE ASSOCHATEDD MOVEMENT OR COHNTAOHNMENT OF
LOVESTOOCK.
10. AREAS DESHONATEDD AS SENSHTHWE ARIAS MUST HE KEPT FREE OF COGNSTRUCTHOIN
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MARCH 2013
PROJECT No. 94147
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Phase 1
LIVESTOCK MANAGEMENT, MOBILIZATION, AND ESTABLISHMENT OF EROSION CONTROL
1. Coordinate with the landowners and complete all necessary livestock movement,
exclusion or containment prior to commencement of each phase of operations.
2. Identify, locate, and delineate staging areas, stockpile locations, construction
entrances and access roads, temporary stream crossings required for construction access,
limits of silt fence installation, and limits of tree protection fencing.
3. Install construction entrances.
4. Install stream crossings required for construction access. Stream crossings will be
located at the upstream end of mainstem Reach 6 and where the existing access road
crosses UT3. Locations will be shown on plan drawing.
5. Install and monitor silt fencing as shown on plan drawings. Silt fencing may be
installed at other locations as directed by the Engineer. Silt fencing shall be installed
and monitored at limits of all staging and stockpile areas.
6. Stockpile construction materials in designated staging areas.
7. Tree protection fencing may be installed at locations as directed by the Engineer.
B. Mark all vegetation to be transplanted.
9. Mark trees to be used as rootwads, header or footer logs, or sills. Coordinate with
Engineer to ensure that selections are appropriate.
10. Install livestock water wells and livestock watering stations at locations designated
on the plan drawings or as directed by the Engineer. This work may be done independent of
the other steps in Phase 1, but must be completed prior to the installation of the
livestock exclusion fencing.
11. Install permanent livestock exclusion fence throughout the project as shown on the
plan drawings with the exception of the restoration segments or as directed by the
Engineer. At the Enhancement Level 1 and Restoration segments, sequencing of installation
of the fence will be at the discretion of the Contractor so as to facilitate ease of
access for construction equipment and materials. In these areas, fence will be erected as
temporary structures sufficient to exclude livestock until the installation of the
permanent fence. All fence segments temporary and /or permanent will be securely installed
prior to installation of plant materials. The Engineer will stake locations for the
fenceline.
Phase 2
Restoration
Contractor will perform construction staking.
2. The Contractor will mark upstream and downstream end sections of new channel alignment
to be left as impervious dikes in order to isolate all work from stream flow during new
channel construction.
3. Remove all vegetation designated for transplant within the zone of active
construction. Stockpile and maintain in accordance with project specifications.
4. Remove trees to be used as rootwads, header or footer logs, or sills, and stockpile in
accordance with project specifications.
5. Perform required clearing and grubbing.
6. Segregate and stockpile topsoil and other soil material in accordance with project
specifications. Soil stockpiles will be seeded, mulched, and isolated by silt fence in
accordance with project specifications and other erosion controls as directed by the
Engineer.
7. Construct proposed stream channel and in- stream structures as specified on the plan
drawings and the project specifications or as directed by the Engineer.
8. The Engineer will mark the planting zones.
9. Perform all topsoil replacement, vegetation transplanting and installation, seeding
(temporary and permanent), mulching, and installation of all erosion control matting as
specified on the plans and the project specifications. Erosion control matting will be
installed on top of the seeded and mulched stream banks according to the project
specifications.
10. Prior to making the upstream connection to the active channel, and as needed during
the course of construction, turbid water between impervious dikes will be pumped out
through special stilling basins /sediment bags to be discharged downstream of the work
site as shown in the typical detail and plan drawings.
11. The construction area will be ripped by a tractor drawn ripping tool to de- compact
the soils prior to re- distribution of the stockpiled topsoil and installation of
permanent seed.
12. Stream banks will be stabilized with permanent seed, mulch, and erosion control
matting applied prior to activation of the new channel.
13. The Contractor will leave the reach of proposed channel on new alignment disconnected
from the upstream end until construction of the new channel is completed and vegetation
has been installed. A longer time period is more desirable, if possible, to allow
establishment and growth of vegetation prior to activation of the new channel.
14. Only when construction of the new channel is completed will the connection be made to
the active channel at the upstream end. The downstream impervious dike will be removed
before the upstream dike. Immediately upon the removal of the upstream impervious dike
from the newly constructed channel, the Contractor will construct the impervious channel
plug at the upstream end of the reach of the existing channel to be abandoned. Soil
material produced during construction will be hauled to the abandoned channel and used to
fill it in.
15. Remove and dispose of all unused vegetation materials.
16. All excavated soil materials not utilized will be stockpiled and maintained according
to the project specifications. After completion of construction, any unused excavated
soil materials shall be the responsibility of the Contractor to dispose of off -site in a
permitted area, as well as for providing and implementing an erosion and sedimentation
control plan and permit, or any other required permit(s), for the location(s) off site
where such materials are disposed.
17. All disturbed areas are to be seeded, mulched and /or matted according to the project
specifications.
18. Upon the completion of work in each Work Module, the Contractor shall schedule an
inspection by the Engineer. The Contractor must have written approval from the Engineer
that the Work Module has been completed to satisfactory standards prior to demobilization.
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PROJECT No. 94147
MI �,

7YMC AL COON87RUC 70N SEQUENCE MONT.
Phase 2 (continued)
Enhancement Level 1
1. Earthwork to modify and stabilize stream banks will be conducted with a stream flow
diversion pump.
2. Contractor will perform construction staking.
3. Install impervious dikes at upstream and downstream ends of proposed limit of active
construction to isolate work from stream flow. Pump around operation will be conducted in
accordance with the typical pump around detail shown in the design plans.
4. Turbid water between impervious dikes will be pumped out through special stilling
basins /sediment bags to be discharged downstream of the work site as shown in the typical
detail and plan drawings.
5. The Engineer must approve the pump around operation prior to commencement of work in
the reach.
6. Remove all vegetation designated for transplant within the zone of active
construction. Stockpile and maintain in accordance with project specifications.
7. Perform required clearing and grubbing.
8. Segregate and stockpile topsoil and other soil material in accordance with project
specifications. Soil stockpiles will be seeded, mulched, and isolated by silt fence in
accordance with project specifications and other erosion controls as directed by the
Engineer.
9. Perform proposed stream bank modifications as specified on the plan drawings and the
project specifications or as directed by the Engineer.
10. The Engineer will mark the planting zones.
11. Perform all topsoil replacement, vegetation transplanting and installation, seeding
(temporary and permanent), mulching, and installation of all erosion control matting as
specified on the plans and the project specifications. Stream banks will have permanent
and temporary seed, mulch, and erosion control matting applied to them as work progresses
and by the end of each day. Erosion control matting will be installed on top of the
seeded and mulched stream banks according to the project specifications.
12. Prior to making the upstream connection to the active channel, and as needed during
the course of construction, turbid water between impervious dikes will be pumped out
through special stilling basins /sediment bags to be discharged downstream of the work
site as shown in the typical detail and plan drawings.
13. The construction area will be ripped by a tractor drawn ripping tool to de- compact
the soils prior to re- distribution of the stockpiled topsoil and installation of
permanent seed.
14. Stream banks will be stabilized with permanent seed, mulch, and erosion control
matting applied to them prior to re- activation of the channel.
15. The Contractor will leave the modified reach disconnected from the upstream end until
construction is completed and vegetation has been installed. A longer time period is more
desirable, if possible, to allow establishment and growth of vegetation prior to
re- activation of the modified channel.
16. Only when construction of the new channel is completed will the connection be made to
the active channel at the upstream end. The downstream impervious dike will be removed
before the upstream dike.
17. Remove and dispose of all unused vegetation materials.
18. All excavated soil materials not utilized will be stockpiled and maintained according
to the project specifications. After completion of construction, any unused excavated
soil materials shall be the responsibility of the Contractor to dispose of off -site in a
permitted area, as well as for providing and implementing an erosion and sedimentation
control plan and permit, or any other required permit(s), for the location(s) off site
where such materials are disposed.
Enhancement Level 1 (continued)
19. All disturbed areas are to be seeded, mulched and /or matted according to the project
specifications.
20. Upon the completion of work in each Work Module, the Contractor shall schedule an
inspection by the Engineer. The Contractor must have written approval from the Engineer
that the Work Module has been completed to satisfactory standards prior to demobilization.
Enhancement Level 2
The Engineer will mark planting zones.
2. Areas lacking existing tree canopy will be ripped by a tractor drawn ripping tool to
de- compact the soils prior to installation of vegetation as shown on the design plan
drawings. These areas will be marked by the Engineer.
3. Perform all vegetation transplanting and installation as specified on the plans and
the project specifications.
SURVEY CONTROL NTROL p O WrS
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1508413.0340
657.6760
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637370.9250
1594236.7770
659.2430
606 = MOUvIMO ENE
887976.0080000
1503763.83100
636.3930
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639507.007900
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22 +23.92 TO 22 +48.92
22 +88.92 TO 23 +23.92
23 +78.92 TO 24 +18.92
24 +73.92 TRANSITION FROM 24 +58.92 POOL
25+18.92 TO 25 +58.92
N.T.S.
EXISTING
GROUND
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TO BE PLUGGED -
EXISTING CHANNEL
TO BE PLUGGED -
OUTER EDGE OF
BANKFULL BENCH
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GROUND 4'
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ALIGNMENT STATIONS
23 +48.92 TO 23 +68.92
24 +93.92 TO 25+08.92
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22+68.92 TO 22+78.92
24 +38.92 TO 24 +58.92
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26' 7' 7' 26'
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DATE MARCH 2013
PROJECT NO. 94147
FILENAME
SHEET NO. 8 OF 54
DRAWING NO. TY2
DRAWN BY
JAD
F01l MG: 13m: 45=3 THEIG: 225.74 HIM

EXISTING CHANNEL
TO BE PLUGGED-
11, INNER BERM
FLOW CHANNEL
M7 77 PROPOSED Q FLE
ALIGNMENT STATIONS
11+68.64 TO 12 +05
12 +40 TO 12+85
13 +20 TO 13 +55
14+10 TRANSITION TO 14+30 POOL CURVE
14 +60 TO 15 +00
15 +35 TO 15+70
16 +05 TO 16 +40
16 +75 TO 17 +00
17 +45 TO 17 +60
18 +00 TO 18 +60
19 +00 TO 19 +35
19 +90 TO 20 +10
20 +45 TO 20 +55
N.T.S.
EXISTING
GROUND
MT 77 PROPOSED STRQO G HT POOL
ALIGNMENT STATIONS
12+20 TO 12 +30
13 +00 TO 13 +10
15 +15 TO 15 +25
15 +85 TO 15 +95
16 +55 TO 16 +65
17 +75 TO 17 +90
20 +25 TO 20 +35
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"' 8 OF 54
DRAWING No. TY3

EXISTING CHANNEL
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EXISTING CHANNEL
TO BE PLUGGED-
CONSTRUCTION LIMITS
VARIES
9'
5'
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MT 77 PROPOSED SEDD p OOOO L CMRWE "Iffl(aHT"
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13 +75 TO 13 +95
14 +30 TO 14 +45
17 +15 TO 17 +30
18 +75 TO 18+95
19 +50 TO 19 +70
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N.T.S.
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MT 70 M7 77 PROPOSED WFLE
ALIGNMENT STATIONS 10 +00 TIE INTO UT -7
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'ROJECT NO. 94147
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'SHEET NO. 9 OF 54
,RAWING NO. TY4
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IIVIIlr,1UVEI1V11 CONCG E7E In115NDWAL WFL E
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64 +06 TO 64 +21.15
64+56.15 TO 64+66.15
65 +06.15 TO 65 +27.87
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64+36.15 TO 64+46.15
64 +76.15 TO 64 +96.15
N.T.S.
OUTER EDGE OF
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PROJECT NG. 94147
°°' ”- 90 OF 54
DRAWING No. TY5

MAINSTEM UPSTREAM
STATION
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22 +23.92 TO 22 +48.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
22 +48.92 TO 22 +68.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
22 +68.92 TO 22 +78.92
MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
22 +78.92 TO 22 +88.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
22 +88.92 TO 23 +23.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
23 +23.92 TO 23 +48.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
b
MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
7YPIC AL SEC 70N
7ABLE
23 +78.92 TO 24 +18.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
24 +18.92 TO 24 +38.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
24 +38.92 TO 24 +58.92
MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
24 +58.92 TO 24 +73.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
24 +73.92 TO 24 +93.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
24 +93.92 TO 25 +08.92
MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
25 +08.92 TO 25 +18.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
25 +18.92 TO 25 +58.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
MAINSTEM DOWNSTREAM
STATION
SECTION
48 +25.34 TO 48 +65.34
g
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48 +65.34 TO 48 +95.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
48 +95.34 TO 49 +15.34
MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
49 +15.34 TO 49 +45.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED RIFFLE
49 +45.34 TO 50 +10.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
50 +10.34 TO 50 +30.34
MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
50 +30.34 TO 50 +55.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED RIFFLE
UT 7
STATION
SECTION
11 +68.64 TO 12 +05
UT 7 PROPOSED RIFFLE
12 +05 TO 12 +20
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
12 +20 TO 12 +30
UT 7 PROPOSED STRAIGHT POOL
12 +30 TO 12 +40
TRANSITION TO UT 7 PROPOSED RIFFLE
12 +40 TO 12 +85
UT 7 PROPSED RIFFLE
12 +85 TO 13 +00
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
13 +00 TO 13 +10
UT 7 PROPOSED STRAIGHT POOL
13 +10 TO 13 +20
TRANSITION TO UT 7 PROPOSED RIFFLE
13 +20 TO 13 +55
UT 7 PROPOSED RIFFLE
13 +55 TO 13 +75
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
13 +75 TO 13 +95
UT 7 PROPOSED POOL CURVE "RIGHT"
13 +95 TO 14 +10
TRANSITION TO UT 7 PROPOSED RIFFLE
14 +10 TO 14 +30
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
14 +30 TO 14 +45
UT 7 PROPOSED POOL CURVE "RIGHT"
14 +45 TO 14 +60
TRANSITION TO UT 7 PROPOSED RIFFLE
14 +60 TO 15 +00
UT 7 PROPOSED RIFFLE
15 +00 TO 15 +15
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
15 +15 TO 15 +25
UT 7 PROPOSED STRAIGHT POOL
15 +25 TO 15 +35
TRANSITION TO UT 7 PROPOSED RIFFLE
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PROJECT No. 94147
FILENAME
SHEET NO. 11 OF
54
DRAWING NO. TY6
DRAWN BV JAD
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MAINSTEM UPSTREAM
STATION
SECTION
22 +23.92 TO 22 +48.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
22 +48.92 TO 22 +68.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
22 +68.92 TO 22 +78.92
MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
22 +78.92 TO 22 +88.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
22 +88.92 TO 23 +23.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
23 +23.92 TO 23 +48.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
23 +48.92 TO 23 +68.92
MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
23 +68.92 TO 23 +78.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
23 +78.92 TO 24 +18.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
24 +18.92 TO 24 +38.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
24 +38.92 TO 24 +58.92
MAINSTEM UPSTREAM PROPOSED POOL CURVE "RIGHT"
24 +58.92 TO 24 +73.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
24 +73.92 TO 24 +93.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
24 +93.92 TO 25 +08.92
MAINSTEM UPSTREAM PROPOSED STRAIGHT POOL
25 +08.92 TO 25 +18.92
TRANSITION TO MAINSTEM UPSTREAM PROPOSED RIFFLE
25 +18.92 TO 25 +58.92
MAINSTEM UPSTREAM PROPOSED RIFFLE
MAINSTEM DOWNSTREAM
STATION
SECTION
48 +25.34 TO 48 +65.34
MAINSTEM DOWNSTREAM PROPOSED RIFFLE
48 +65.34 TO 48 +95.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
48 +95.34 TO 49 +15.34
MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
49 +15.34 TO 49 +45.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED RIFFLE
49 +45.34 TO 50 +10.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
50 +10.34 TO 50 +30.34
MAINSTEM DOWNSTREAM PROPOSED STRAIGHT POOL
50 +30.34 TO 50 +55.34
TRANSITION TO MAINSTEM DOWNSTREAM PROPOSED RIFFLE
UT 7
STATION
SECTION
11 +68.64 TO 12 +05
UT 7 PROPOSED RIFFLE
12 +05 TO 12 +20
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
12 +20 TO 12 +30
UT 7 PROPOSED STRAIGHT POOL
12 +30 TO 12 +40
TRANSITION TO UT 7 PROPOSED RIFFLE
12 +40 TO 12 +85
UT 7 PROPSED RIFFLE
12 +85 TO 13 +00
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
13 +00 TO 13 +10
UT 7 PROPOSED STRAIGHT POOL
13 +10 TO 13 +20
TRANSITION TO UT 7 PROPOSED RIFFLE
13 +20 TO 13 +55
UT 7 PROPOSED RIFFLE
13 +55 TO 13 +75
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
13 +75 TO 13 +95
UT 7 PROPOSED POOL CURVE "RIGHT"
13 +95 TO 14 +10
TRANSITION TO UT 7 PROPOSED RIFFLE
14 +10 TO 14 +30
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
14 +30 TO 14 +45
UT 7 PROPOSED POOL CURVE "RIGHT"
14 +45 TO 14 +60
TRANSITION TO UT 7 PROPOSED RIFFLE
14 +60 TO 15 +00
UT 7 PROPOSED RIFFLE
15 +00 TO 15 +15
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
15 +15 TO 15 +25
UT 7 PROPOSED STRAIGHT POOL
15 +25 TO 15 +35
TRANSITION TO UT 7 PROPOSED RIFFLE
15 +35 TO 15 +70
UT 7 PROPOSED RIFFLE
15 +70 TO 15 +85
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
15 +85 TO 15 +95
UT 7 PROPOSED STRAIGHT POOL
15 +95 TO 16 +05
TRANSITION TO UT 7 PROPOSED RIFFLE
16 +05 TO 16 +40
UT 7 PROPOSED RIFFLE
16 +40 TO 16 +55
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
16 +55 TO 16 +65
UT 7 PROPOSED STRAIGHT POOL
16 +65 TO 16 +75
TRANSITION TO UT 7 PROPOSED RIFFLE
16 +75 TO 17 +00
UT 7 PROPOSED RIFFLE
17 +00 TO 17 +15
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
17 +15 TO 17 +30
UT 7 PROPOSED POOL CURVE "RIGHT"
17 +30 TO 17 +45
TRANSITION TO UT 7 PROPOSED RIFFLE
17 +45 TO 17 +60
UT 7 PROPOSED RIFFLE
17 +60 TO 17 +75
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
17 +75 TO 17 +90
UT 7 PROPOSED STRAIGHT POOL
17 +90 TO 18 +00
TRANSITION TO UT 7 PROPOSED RIFFLE
18 +00 TO 18 +60
UT 7 PROPOSED RIFFLE
18 +60 TO 18 +75
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
18 +75 TO 18 +95
UT 7 PROPOSED POOL CURVE "RIGHT"
18 +95 TO 19 +00
TRANSITION TO UT 7 PROPOSED RIFFLE
19 +00 TO 19 +35
UT 7 PROPOSED RIFFLE
19 +35 TO 19 +50
TRANSITION TO UT 7 PROPOSED POOL CURVE "RIGHT"
19 +50 TO 19 +70
UT 7 PROPOSED POOL CURVE "RIGHT"
19 +70 TO 19 +90
TRANSITION TO UT 7 PROPOSED RIFFLE
19+90 TO 20+10
UT 7 PROPOSED RIFFLE
20 +10 TO 20 +25
TRANSITION TO UT 7 PROPOSED STRAIGHT POOL
20 +25 TO 20 +35
UT 7 PROPOSED STRAIGHT POOL
20 +35 TO 20 +45
TRANSITION TO UT 7 PROPOSED RIFFLE
20 +45 TO 20 +55
UT 7 PROPOSED RIFFLE
20 +55 TO 22 +35
TRANSITION TO UT 7 PROPOSED END RIFFLE
MAINSTEM CONCRETE REMOVAL
STATION
SECTION
64 +06 TO 64 +21.15
MAINSTEM CONCRETE REMOVAL RIFFLE
64 +21.15 TO 64 +36.15
TRANSITION TO MAINSTEM CONCRETE REMOVAL POOL
64 +36.15 TO 64 +46.15
MAINSTEM CONCRETE REMOVAL POOL
64 +46.15 TO 64 +56.15
TRANSITION TO MAINSTEM CONCRETE REMOVAL RIFFLE
64 +56.15 TO 64 +66.15
MAINSTEM CONCRETE REMOVAL RIFFLE
64 +66.15 TO 64 +76.15
TRANSITION TO MAINSTEM CONCRETE REMOVAL POOL
64 +76.15 TO 64 +96.15
MAINSTEM CONCRETE REMOVAL POOL
64 +96.15 TO 65 +06.15
TRANSITION TO MAINSTEM CONCRETE REMOVAL RIFFLE
65 +06.15 TO 65 +27.87
MAINSTEM CONCRETE REMOVAL RIFFLE
UT3 CHANNEL CREATION
STATION
SECTION
10 +00 TO 11 +97.12
UT3 CHANNEL CREATION
UT3 AND UT4 BANK ENHANCEMENT
STATION
SECTION
14 +31 TO 18 +28
UT4 BANK ENHANCEMENT
14 +60.22 TO 19 +74.90
UT3 BANK ENHANCEMENT
STRUCTURE LOCATION TABLE
LITTLE BUFFALO
STRUCTURE
STATION
NORTHING
FASTING
LOG VANE
24 +50
639,717.99
1,595,058.19
LOG VANE
24 +90
639,678.86
1,595,066.02
LARGE WOODY DEBRIS
47 +58
637,830.48
1,593,901.14
LIVESTOCK STREAM CROSSING
74 +91
635,615.04
1,592,969.81
UT7
STRUCTURE
STATION
NORTHING
FASTING
ROCK CROSS VANE
12 +10
634,802.32
1,591,237.40
ROCK CROSS VANE
17 +65
634,329.30
1,591,287.96
PLUGGED CHANNEL
18 +40
634,282.87
1,591,357.25
PROPOSED STEP POOL START
20 +55
634,090.75
1,591,415.19
PROPOSED STEP POOL END
22 +35
633,945.61
1,591,312.81

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Distance between individual stems in feet.
Zone
Plant
Location
Type
Species
Common
Species
Quantity
Acreage
Total
Zone
4
Location
Type
Species
smooth alder /
hazel alder
15%
75
Acreage
856
Betula nigra
Community
10%
50
11.42
Name
Percent
/Acre
�
Quantity
Carpinus caroliniana
Piedmont /
Inner Berm
50
11.42
571
0.21
0.6J
1.f3
TOTAL
Corpus amomum
silky dogwood
k
5 °
25
Salix nigra
Black willow
Piedmont/
Above Bankfull
Fraxinus y p enns Ivanica
Mountain
up to
50
11.42
571
°
60%
1200
0.33
396
Zone 1
Bottomland
Bankfull
Live Stakes
Forest
I
I
Corpus amomum
Silky dogwood
40%
800
0.33
264
Totals
sycamore
100%
2000
0.33
660
Distance between individual stems in feet.
Zone
Plant
Community
Location
Type
Species
Common
Name
Species
Percent
Quantity
/Acre
Acreage
Total
Quantity
80
4
Panicum clandestinum var. Tioga
95
Alnus serrulata
smooth alder /
hazel alder
15%
75
11.42
856
Betula nigra
river birch
10%
50
11.42
571
UT 5
�
0.15
Carpinus caroliniana
ironwood
10%
50
11.42
571
0.21
0.6J
1.f3
TOTAL
Corpus amomum
silky dogwood
k
5 °
25
11.42
285
Piedmont/
Above Bankfull
Fraxinus y p enns Ivanica
green ash
10%
50
11.42
571
Zone 2
Mountain
Bottomland
Bankfull Bench
Bare Root or
Tubeling
Forest
Lindera benzoin
spicebush
10%
50
11.42
571
Platanus occidentalis
sycamore
15%
75
11.42
856
Salix nigra
black willow
10%
50
11.42
571
Viburnum dentatum
arrowwood
15%
75
11.42
856
Totals
1 100%
500
11.42
5710
Distance between individual stems in feet.
Zone
Plant
Communit
Location
Type
Species
Common
Name
Species
Percent
Quantity
/Acre
Acreage
Total
Quantity
80
4
Panicum clandestinum var. Tioga
95
Carpinus caroliniana
ironwood
10%
50
12.17
608
Celtis laevigata
sugarberry
10%
50
12.17
608
UT 5
�
0.15
Cercis canadensis
redbud
10%
50
12.17
608
0.21
0.6J
1.f3
TOTAL
Fraxinus pennsylvanica
green ash
k
5 °
25
12.17
304
Piedmont/
Above Bankfull
Zone 3
Mountain
Bottomland
to 50 ft. from
Top of Bank
Bare Root or
Tubeling
Platanus occidentalis
sycamore
°
10%
50
12.17
608
Forest
Liriodendrontulipifera
tulip poplar
20%
100
12.17
1217
Quercus michauxii
swamp chestnut
oak
15 °k
75
12.17
912
Ulmus rubra
slippery elm
10%
50
12.17
608
Viburnum dentatum
arrowwood
10%
50
12.17
608
Totals
100%
500
12.17
6085
Distance between individual stems in feet.
Species
Percent
Min.Purity
Percent Min.
Germination
Quantity per
Acre (Ibs.)
Lolium multiflorum
98
90
30
Panicum virgatum var. Shelter (PLS)
95
80
4
Panicum clandestinum var. Tioga
95
75
2
Elymus virginiana
95
90
3
Wetland Seed Mix
N/A
N/A
2
NOTE: THE WETLAND SEED MIIX SHALL BE COIVIPOSED OF AT LEAST FIVE
OF THE FOOLLOWING SPECIES: SOFT RUSH (JUNCOS EFFUSUSi. PURPLE
STEMIUIED ASTER CASTER PUNICEUS)- LURID SEDGE ICAREX LURIDA�,
FOX SEDGE iCAREX VULP'INOOIDEAi.80ONESET �EUPATORIUM PERFOOLIAT UMW
GRASS LEAVED GOLDENROD (EUTHAMIA GRAMINIFOLIA). GREEN BULRUSH
SCIRPUS ATROOVIRENS). WOOOLGRASS (SCIRPUS CYPERINUS), BLUE VERVAIN
VERBENA HASTATAi AND NEW YORK IRONWEED �VERNONIA NOVEBORACE1,119N
••SEEDING NOTEST
1. THE PROPOSED STR EAIUI RESTORATION AND ENHANCEIUIENT GRADING AREAS. RIPARIAN BUFFERS
AND ANY OTHER AREA OOF SOIL DISTURBANCE SHALL HE SEEDED WITH THE SPECIFIED RIPRIAN SEED
MIX.
2. THE SEED BED IN RIPARIAN BUFFER AREAS SHALL BE PREPARED BY HERBICDE TREATMENT OF
EXISTING COOOL SEASON GRASSES PER THE INVASIVE SPECIES TREATMENT NOTES. FOLLOWED BY THE
REMOVAL OOF SOIL COMPACTION AS DIRECTED BY THE ENGINEER, FOLLOWED BY DISCING TO A
MINIMUM DEPTH OF 6 INCHES.
3. THE SEEDING PROOGRAIVI SHALL INCLUDE THE APPLICATION AND INCORPORATION OF A SLOW
RELEASE (NON WATER SOLUBLEI FERITILIZER WITH A RATIO OOF 0 10 20 AT A RATE OOF 250
LBS ACRE.
T. SEED SHALL BE EVENLY SPREADD EITHER BY HAND OR IUIECHANICAL IUIEANS AT THE SPECIFIED
RATE. THE PROPOSED METHOD OOF SEEDING IS SUBJECT TOO APPROVAL BY THE ENGINEEP,.THE SEED
SHALL BE APPLIED SEPARATELY FROM THE FERTILIZER.
;.IMMEDIATELY FOLLOWING SEEDING. SEED SHALL BE INCORPORATED INTO SOIL 1 F TO 1 Z INCH
USING A CHAIN OOR TINE HARROW OR HAND RAKING. THE EQUIPMENT USED TO COMPLETE THIS TASK
IS SUBJECT TOO APPROVAL BY THE ENGIrEER.
PLANTING ZONE ACREAGE SUIUIIUTARY
STREAM
ZONE 1
ZOOfJE 2
ZOfJE 3
ACRES
ACRES
ACRES
IUTAINSTEIUI
0.30
'' `®a
6.91
UT 1
�
0.09
0.07
UT 3
�
1.63
1.f.5
UT 5
�
0.15
0.15
UT 7 AfJD UT o
0.21
0.6J
1.f3
TOTAL
0.51
11.-42
12.1 i
PLANTING N*WW3
1. ALL PROPOSED CWANIC,ES TO THE PLAANTING PLAN SHALL BE MADE IN WRITING TO THE LOUIS
BERGER GROUP. INC. AT LEAST THREE IUIOONTHS PRIOR TOO PLANTING. ALL PROPOSED CHANGES
IUIUST BE APPROVED IN WRITING.
2. ALL PLANT STOCK WILL BE INSPECTED ON SITE BY THE LOUIS BERGER GROUP. INC. SITE
ENGINEER OR REPRESENTATIVE PRIOR TOO INSTALLATION_ PLANTING STOCK NOT IUIEETING
SPECIFICATIONS WILL NOT BE PLANTED.
3. ALL BARE ROOT PLANT MATERIAL SHALL BE IfJOCULATED WITH MYCOORRHIZAE FUfJGI EITHER AT
THE NURSERY OR ON SITE AT THE TIME OOF PLANTING. THE METHOD OOF INOCULATION SHALL BE
APPROVED IN ADVANCE BY THE LOUIS BERGER GPOOUP,INC.
�. AFTER LIFTING THE PLANT STOCK AT THE NURSERY AND PRIOR TOO PACKAGING. THE ENTIRE
ROOT SYSTEIUI OF ALL BARE ROOT PLANT IUTATERIAL SHALL BE TREATED WITH A KAOLIN CLAY
EIUIULSIOO N.
S. THE INSTALLATION OOF BARE ROOT TREE SAPLINGS SHALL BE WITH AN OOST BAR.KBC BAR.00R
HOOEDAD.HOWEVER.THE USE OOF HOOEDADS BY AN INEXPERIENCED PLANTING CREW IUTAY BE
PROHIBITED. SEE
CONSTRUCTION DETAILS FOR ACCEPTABLE METHODS FOR INSTALLATION BARE ROOT SAPLINGS.
6. ALL PLANT MATERIAL SHALL BE ESTABLIS IN ATURALIZED PATTERN. NATURALIZED
PLANTING SHALL RESULT IN A RELATIVELY HED EVEN DISTRIBUTION A N OF EACH SPECIES ACROSS THE
PLANTING AREA AT THE SPECIFIED DENSITY. UNEVEN DISTRIBUTIONS OF SPECIES OR
MONOCULTURES SHALL NOT BE ACCEPTED AS SOLELY DETERMINED BY THE ENGINEER.
i. THE ESTABLISHIUIENT PERIOD FOR BARE ROOT TREES AND SHRUBS IS FROOIUI DECEIUIBER 15 TOO
IUTARCH 15.
6. PLANTING WILL BE SUPERVISED BY A CERTIFIED
PROD FESSIOO NAL WETLAND SCIENTIST PROD VIDED EY THE
LOUIS BEP,GER GROUP. INC.
9. HERBACEOUS COMPETITION MAY BE CONTP,OOLLED PRIOR TO PLANTING AND THROUGHOUT THE
MAINTENANCE AND MONITORING PERIOD BY ACCEPTABLE MECHANICAL ANDOOR CHEMICAL METHODS.
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PROJECT No. 94147
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REFORESTATION
PLANTING PROCEDURE WITH KBC /OST BAR (DIBBLE BAR)
or
1.
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INSERT THE PLANTING BAR STRAIGHT DOWN
INTO THE SOIL TO THE FULL DEPTH OF THE
BLADE AND PULL BACK ON THE HANDLE TO
OPEN THE PLANTING HOLE. (DO NOT ROCK
THE PLANTING BAR BACK AND FORTH AS
THIS CAUSES SOIL IN THE PLANTING HOLE
TO BE COMPACTED, INHIBITING GROWTH.)
REMOVE THE PLANTING BAR AND PUSH THE
TREE ROOTS DEEP INTO THE PLANTING HOLE.
PULL THE TREE BACK UP TO THE CORRECT
PLANTING DEPTH. GENTLY SHAKE THE TREE
TREE TO ALLOW THE ROOT TO STRAIGHTEN
OUT. DO NOT TWIST OR SPIN THE TREE OR
LEAVE THE ROOTS J— ROOTED.
INSERT THE PLANTING BAR SEVERAL INCHES
IN FRONT OF THE TREE AND PUSH THE
BLADE HALFWAY INTO THE SOIL. TWIST AND
PUSH THE HANDLE FORWARD TO CLOSE THE
TOP OF THE SLIT TO HOLD THE TREE IN
PLACE.
PUSH THE PLANTING BAR DOWN TO THE
FULL DEPTH OF THE BLADE.
PULL BACK ON THE HANDLE TO CLOSE THE
BOTTOM OF THE PLANTING HOLE.
PUSH FORWARD ON THE HANDLE TO FIRM
SOIL ON TOP OF ROOTS AND TO CLIMINATE
AIR POCKETS AROUND THE ROOT.
INSERT PLANTING BAR 2 INCHES FROM LAST
HOLE.
PUSH FORWARD, THEN PULL BACKWARD TO
FILL PREVIOUS HOLE.
REMOVE THE PLANTING BAR AND FIRM UP
THE OPENING WITH THE HEEL.
10. FIRM THE SOIL AROUND THE TREE WITH THE
FOOT. BE CAREFUL TO AVOID DAMAGING
THE TREE.
PLANTING PROCEDURE WITH HOEDAD
❑0
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0
1. STRIKE BLADE ALMOST VERTICALLY, FULL
DEPTH OF BLADE, INTO THE SOIL. PULL UP
ON THE HANDLE TO BREAK THE SOIL LOOSE
AT THE BOTTOM OF THE HOLE. CAUTION —
AVOID RAISING THE HANDLE MORE THAN A
FEW INCHES. OTHERWISE THE HOLE WILL
FILL WITH SOIL AND THE TREE WILL BE
SHALLOW ROOTED.
2. SLIDE HAND DOWN HANDLE ALMOST TO THE
BLADE. PULL BACK AND DOWN ON THE
HANDLE TO FORM A POCKET ON THE FAR
SIDE OF THE BLADE. WITH THE OTHER
HAND, IMMEDIATELY PLACE THE TREE
ROOTS INTO THE POCKET TO THE FULL
DEPTH OF THE HOLE.
3. HOLD TREE IN PLACE WHILE SLIDING THE
HOEDAD BLADE OUT OF THE HOLE. LOOSE
SOIL SHOULD FALL INTO THE HOLE, HOLDING
TREE IN PLACE.
4. PULL BLADE COMPLETELY OUT OF THE HOLE
AND PUSH SOIL AGAINST PLANTED TREE
WITH THE TIP OF THE BLADE.
5. USE FOOT TO FIRM THE SOIL AGAINST THE
TREE. DO NOT STEP ON OR BRUISE TREE
WITH YOUR FOOT.
FLANTHO TYNC AL
NOTE:
1) ZONE 1 APPLIES ONLY ON AREAS SHOWN ON THE PLANS.
2) PLANTING NOT TO OCCUR ON PRESERVATION AREAS.
REFORESTATION - PLANTING CRITERIA
ROOT COLLAR
•sLA�y :g•;•'
PROPER PLANTING
N.T.S.
ROOT COLLAR
ROOT COLLAR
•' ".-• .�N •' := a K °.
T00 DEEP T00 SHALLOW
ROOT COLLAR ROOT COLLAR
•1y ^r
AIR POCKETS
ROOT COLLAR
ROOTS BENT
(J —ROOT)
ANGLED PLANTING
UNACCEPTABLE PLANTING
N.T.S.
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PATRICIA H. WILLIAMS
FILE 2007 #00 -E-
PIN# 5693036167 _
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ANN C. CLINE
DEED 794 -250
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PROJECT No. 94147
I—A. a Nu. SESC6

REINFORCED STABILIZED OUTLET
N.T.S.
MAINTENANCE:
1. INSPECT REINFORCED STABILIZED OUTLET AT LEAST ONCE PER WEEK AND
AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. RESHAPE OUTLET PAD AS NEEDED.
3. REMOVE AND REPLACE THE STONE IF IT BECOMES CLOGGED WITH SEDIMENT.
4. TOPDRESS WITH CLEAN CLASS "A" STONE AS NEEDED.
TEMPORARY CONSTRUCTION ENTRANCE
N.T.S.
FILTER FAH RUG
MAINTENANCE:
1. INSPECT CONSTRUCTION ENTRANCE AT LEAST ONCE PER WEEK AND
AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS
IMMEDIATLLY.
2. RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL.
3. TOPDRESS WITH CLEAN STONE AS NEEDED.
4. IMMEDIATEEY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO
PUBLIC ROADS.
5. REPAIR ANY BROKEN ROAD PAVEMENT IMMEDIATLLY.
PUI
L
MAINTENANCE:
1. INSPECT SILT FENCE AT LEAST ONCE PER WEEK AND AFTER EACH RAINFALL.
MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF THE SILT FENCE COLLAPSE, TEAR, DECOMPOSE OR
BECOME INEFFECTIVE, REPLACE IT IMMEDIATEEY.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE
VOLUME FOR THE NEXT RAIN EVENT AND TO REDUCE PRESSURE ON THE FENCE.
TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.
4. REMOVE ALL SILT FENCE MATERIALS AND UNSTABALE SEDIMENT DEPOSITS.
BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
ENERGY DISSIPATOR FOR PUMP HOSE
(IF CLEAN WATEN.T.S. .
PEAAN
A14
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SECTION A A
NOTES:
1. RIP RAP SHALL BE 1 TONE OF CLASS "B" RIP RAP.
T
SEDIMENT BAGS
N.T.S.
370,751 VOW111100*73i MIS
�I
NOTES:
i
1. INSTALL SEDIMENT BAG ON A SLOPE SO INCOMING WATER FLOWS DOWNHILL
q^
THROUGH BAG WITHOUT CREATING MORE EROSION. TO INCREASE THE EFFICIENCY
OF FILTRATION, PLACE THE BAG ON A GRAVEL BED IN ORDER TO MAXIMIZE
WATER FLOW THROUGH THE SURFACE AREA OF THE BAG.
2. BAG IS FULL WHEN IT NO LONGER CAN EFFICIENCTLY FILTER SEDIMENT OR
ALLOW WATER TO PASS AT A REASONABLE RATE. FLOW RATES WILL VARY
DEPENDING ON THE SIZE OF SEDIMENT BAG, THE TYPE AND AMOUNT OF
c
SEDIMENT DISCHARGED INTO THE BAG, THE TYPE OF GROUND, ROCK OR OTHER
—
SUBSTANCE UNDER THE BAG AND THE DEGREE OF THE SLOPE ON WHICH THE
uj
BAG LIES. AVOID USE OF EXCESSIVE FLOW RATES OR OVERFILLING WITH
SEDIMENT TO PREVENT BAG RUPTURE OR FAILURE OF THE HOSE ATTACHMENT
0 N
STRAPS.
tL' � cN
FILTER FAH RUG
MAINTENANCE:
1. INSPECT CONSTRUCTION ENTRANCE AT LEAST ONCE PER WEEK AND
AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS
IMMEDIATLLY.
2. RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL.
3. TOPDRESS WITH CLEAN STONE AS NEEDED.
4. IMMEDIATEEY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO
PUBLIC ROADS.
5. REPAIR ANY BROKEN ROAD PAVEMENT IMMEDIATLLY.
PUI
L
MAINTENANCE:
1. INSPECT SILT FENCE AT LEAST ONCE PER WEEK AND AFTER EACH RAINFALL.
MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF THE SILT FENCE COLLAPSE, TEAR, DECOMPOSE OR
BECOME INEFFECTIVE, REPLACE IT IMMEDIATEEY.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE
VOLUME FOR THE NEXT RAIN EVENT AND TO REDUCE PRESSURE ON THE FENCE.
TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.
4. REMOVE ALL SILT FENCE MATERIALS AND UNSTABALE SEDIMENT DEPOSITS.
BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
ENERGY DISSIPATOR FOR PUMP HOSE
(IF CLEAN WATEN.T.S. .
PEAAN
A14
J
, AA MF
SECTION A A
NOTES:
1. RIP RAP SHALL BE 1 TONE OF CLASS "B" RIP RAP.
T
SEDIMENT BAGS
N.T.S.
370,751 VOW111100*73i MIS
�I
NOTES:
tz
1. INSTALL SEDIMENT BAG ON A SLOPE SO INCOMING WATER FLOWS DOWNHILL
q^
THROUGH BAG WITHOUT CREATING MORE EROSION. TO INCREASE THE EFFICIENCY
OF FILTRATION, PLACE THE BAG ON A GRAVEL BED IN ORDER TO MAXIMIZE
WATER FLOW THROUGH THE SURFACE AREA OF THE BAG.
2. BAG IS FULL WHEN IT NO LONGER CAN EFFICIENCTLY FILTER SEDIMENT OR
ALLOW WATER TO PASS AT A REASONABLE RATE. FLOW RATES WILL VARY
DEPENDING ON THE SIZE OF SEDIMENT BAG, THE TYPE AND AMOUNT OF
c
SEDIMENT DISCHARGED INTO THE BAG, THE TYPE OF GROUND, ROCK OR OTHER
—
SUBSTANCE UNDER THE BAG AND THE DEGREE OF THE SLOPE ON WHICH THE
uj
BAG LIES. AVOID USE OF EXCESSIVE FLOW RATES OR OVERFILLING WITH
SEDIMENT TO PREVENT BAG RUPTURE OR FAILURE OF THE HOSE ATTACHMENT
0 N
STRAPS.
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3. DISPOSE SEDIMENT BAG IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS
> o
AND AS DIRECTED BY THE ENGINEER. BAGS MAY NOT BE REUSED.
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IMPERVIOUS DIKE
SUCTION HOSE
\ PROJECT -TOP OF BANK
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DE
MARCH 2013
PROJECT Ho. 94147
DT1

LOG VANE N.T.S.
ROOT BURIED
MASS LOG
EXPOSED LOG
BANKFULL BENCH -
;t••-.-:; BACKFILL WITH
.,
057 STONE
FOOTER BOULDER
.' .• -::_.'`,. O -.-FLOW
j SCOUR
:,POOL -� _
-
, - -- ---- .% 'r FILTER FABRIC
BINDING FOOTER
BOULDER BOULDERS
PLAN
END OF VANE SHOULD TIP OF VANE AT OR �BANKFULL
BE SECURED IN BANK NEAR BED ELEVATION
AT BANKFULL HEIGHT
2% TO 5% SI nac FLOW LINES
BINDING
FOOTER BOULDER
BOULDERS`
FILTER FABRIC
PROFILE
NOTE: 1. FILTER FABRIC SHALL BE PLACED ON THE
UPSTREAM SIDE OF THE LOG VANE i DIAMETER
FROM THE TOP OF THE LOG
2. FILTER FABRIC SHALL BE NAILED WITH GALVANIZED
ROOFING NAILS TO LOG
BANKFULL
HEADER
BOULDERS SEE _
SPECIFICATIONS
FOR DIMENSIONS
FOOTER
BOULDERS SEE
SPECIFICATIONS
FOR DIMENSIONS
ELEVATION EOUAL---i
TO BANKFULL OR
SLIGHTLY LOWER
STEP POOL
N.T.S.
ROCK CROSS VANE N.T.S.
TOP OF HEADER
BOULDERS SET AT
ON�PROFILE HOWN
FLOW I /
GAPS TO BE HAND CHINKED
,(FROM UPSTREAM SIDE) WITH
APPROPRIATELY SIZED ROCKS,
PRIOR TO BACKFILLING
BACKFILL WITH
/57 STONE
UVANE FABRIC
REST OF
SCOUR
POOL ANCHOR EACH WING
OF CROSS VANE A
MINIMUM OF 2 TO 3
ROCKS DEEP INTO
BANK
4NKFULL I BANKFULL I BANKFULL
WIDTH WIDTH WIDTH
BANKFULL WIDTH APPROXIMATELY 1
PLAN
VANE BANKFULL HEADER BOULDERS
,FLOW LINE
�-- -TK,
UR
/57 STONE
t;= FILTER FABRIC
FOOTER BOULDERS (TYP.)
(SEE SPECIFICATIONS FOR DIMENSIONS)
PROFILE POOL EXCAVATION PER DIRECTION OF AUTHORITY
REPRESENTATIVE
NOTE: I. ALL STONES AND BOULDERS ARE TO BE STRUCTURE STONE AS DEFINED IN THE
SPECIFICATIONS.
2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS
TOGETHER, HAND PLUG WITH STRUCTURE STONE CLASS A AND NUMBER 57
STONE. STRUCTURE WILL BE LINED WITH FILTER FABRIC.
3. THE CONTRACTOR WILL BE REOUIRED TO FIT THE BOULDERS TIGHTLY TOGETHER.
4. SLOPE OF VANE FROM CENTERLINE TO TOP OF BANK SHALL BE 2% TO 5 %, OR AS
DIRECTED BY THE ENGINEER.
5. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO
PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL
EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE
ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE.
6. BANKFULL ELEVATIONS TO BE DETERMINED BY THE ENGINEER.
NOTE: FILL IN POOL SECTIONS OF LAST 6 STEP PODS WITH RIVER BED MATERIAL OR A
MIXTURE OF CLASS A ", "B" RIPRAP STONE (AS DEFINED IN THE NCDOT 2012 STANDARD
SPECIFICATIONS) AND SOIL AT FOOTER LOG DEPTH DEPTH OR NOT TO EXCEED 1' DEPTH.
3 REBAR 15' CENTER
- - - - - - - - - S LOW FLOW WATER SURFACE
-- - - - - - - - - -
-- TOP LOG
FILL AREA
O(SEE NOTE ABOVE)
o
KEY IN EROSION FABRIC FOOTER LOGS © /�
FILTER FABRIC PROFILE BACK LOG
BANKFULL WATER SURFACE
BANKFULL REBAR
LOG VANE
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PROJECT No. 94147
44 OF 54
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Cable
Drill Holes Through PVC
Drop Pipe And Thread
Cable Through
6" To 8" Spacer
DETAIL B
N
PVC Drop
Pipe (Typ)
5/8 Inch Galvanized Steel Cable Installed Through
1" Dia UV Resistant Top Of Drop Pipes (see Detail B). Install 1" Dia PVC
PVC Drop Pipes Pipe Spacers Over Cable To Keep Drop Pipes In
Desired Location.
SEE FLOOD
GATE BRACE
ASSEMBLY—
DETAIL
Deadman
1 I Treated Post
Brace Wire VIII I! i'1
Cable
Cable Clamps
(3 Req'd)
DETAIL A- ELEVATION
Detail A
Stream Width
Detail B
SEE FLOOD
GATE BRACE
ASSEMBLY
DETAIL
1- III —III -1 11- l
Normal Water
Level Deadmon
ELEVATION
NOTES:
1. The lower end of the drop pipes shall hang 2 inch to 6
inches above normal water level or natural ground, as
encountered across the channel.
2. Not for use where stream width exceeds 60 feet.
Cable Through Hole
Twice Around Post
Secure With
Wire 3 Cable Clamps Coble
Hole Size Determined
From Size Of Coble
DETAIL A -TOP VIEW
NOT TO SCALE
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'ROJECT ND. 94147
46 OF 54
DRAWING ND. DT4

10' MAXIMUM
'r-an
"I\Vl U. I III
(SEE DETAIL)
VLV I LA I ILL M I r%LL
SOIL ROCK INTERFACES
LINE POST
.15" MIN nIA
PROFILE ALONG CENTERLINE OF CROSSING
N. T. S.
COARSE
AGGREGATE
Nlllu®"�GEOTEXTILE
ANCHORING PIN
(SEE DETAIL)
SECTION A— A
LIVE STOCK STREAM CROSSING AT
MAINSTEM
NOTES: N.T.S.
1. LIVE STOCK STREAM CROSSING TO BE INSTALLED AT
MAINSTEM AT LOCATION SHOWN ON PLANS.
2. FENCING AND FLOODGATE TO BE INSTALLED AT BOTH ENDS
OF STREAM CROSSING.
SET 6" POSTS IN
CONCRETE 4' DEEP MIN
ANCHORING PIN
DETAIL
N. T. S.
8" COARSE
• ni%nrn • Tr I e vrn
- - -- - - - --
GEOTEXTILE
EXISTING 52" CMP PIPE
LIVE STOCK CROSSING AT UT3
NOTES:
1. ANY DAMAGES TO THE EXISTING 52" CMP CULVERT SHALL
BE REPAIRED /REPLACED AT THE CONTRACTOR'S EXPENSE.
2. ANY DAMAGES TO THE EXISTING FENCING ADJACENT TO
PROPOSED LIVESTOCK CROSSING SHALL BE
REPAIRED /REPLACED AT THE CONTRACTOR'S EXPENSE.
N. T. S.
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MARCH 2013
PROJECT No. 94147
47

N.T.S.
LIVE STAKE INSTALLATION:
1. TAMP THE LIVE STAKE INTO THE GROUND AT RIGHT ANGLES TO THE SLOPE FACE.
2. LIVE STAKES SHALL BE INSTALLED 2 -3 FEET APART USING TRIANGULAR
SPACING. STAKES SHOULD BE PLACED WITH 2 TO 4 STAKES PER SQUARE YARD.
3. BUDS SHALL BE ORIENTED UP.
4. FOUR FIFTHS OF THE LENGTH OF THE LIVE STAKE SHALL BE INSTALLED INTO
THE GROUND AND SOIL FIRMLY PACKED AROUND IT AFTER INSTALLATION.
5. STAKES THAT SPLIT DURING INSTALLATION SHALL BE REPLACED AT NO
ADDITIONAL COST TO LBG.
6. AN IRON BAR CAN BE USED TO MAKE A PILOT HOLE IN FIRM SOIL. DRIVE THE
LIVE STAKE INTO THE GROUND WITH A DEAD HAMMER (HAMMER HEAD FILLED
WITH SHOT OR SAND).
ACCEPTABLE LIVE STAKE SPECIES
SCIENTIFIC NAME
BLACK WILLOW
SALIX NIGRA
SILKY DOGWOOD
CORNUS AMOMUM
IALNUS SPP.
ALDER
NOTE: REFER TO PLANTING NOTES ON SHEET 30.
LIVE STAKE GUIDELINES:
DIA.
1
N.T.S.
BANKFULL ELEVATION
BONDED FIBER MATRIX (BFM)
OR 100% WOOD FIBER MULCH
HYDROSEED CUSTOM
RIPARIAN SEED MIX
4\1
SLOPE SURFACE
MM
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1. LIVE STAKE CUTTINGS SHALL BE INSTALLED WITHIN THE PLANTING ZONE I AS INDICATED ON THE PLANTING NOTES.
2. LIVE STAKE CUTTINGS SHALL BE 0.5 TO 1.5 INCHES IN DIAMETER AND A MINIMUM OF THREE FEET LONG.
3. CUTTINGS SHOULD BE UNDAMAGED, DISEASE AND INSECT FREE STOCK, AND FROM THE LIST OF ACCEPTABLE SPECIES PROVIDED ON THE PLANS.
4. MATERIALS MUST HAVE SIDE BRANCHES CLEANLY REMOVED AND BARK INTACT.
5. THE BASAL ENDS SHOULD BE CUT AT AN ANGLE FOR EASY INSERTION INTO THE SOIL. THE TOP SHOULD BE SQUARE. STAKES SHOULD BE
PLANTED WITH BUTT -END INTO THE GROUND. BUDS SHOULD BE ORIENTED UP.
6. MATERIALS SHALL BE SOAKED IN WATER A MINIMUM OF 10 DAYS IMMEDIATELY AFTER PREPARATION. MATERIALS SHOULD BE INSTALLED THE
SAME DAY THAT THEY ARRIVE ON SITE. THE MATERIAL MUST NOT BE ALLOWED TO DRY OUT; MATERIALS IN WATER OR IN A COOL.
SHADED, WET ENVIROMENT PRIOR TO INSTALLATION.
7. PLANTS SHALL BE BOTH CUT AND INSTALLED WHEN THEY ARE DORMANT: THAT IS. PRIOR TO BUD SWELL AND LEAF EMERGENCE IN THE
SPRING AND AFTER LEAVES HAVE TURNED COLOR AND FALLEN OFF IN THE FALL. THE INSTALLATION PERIOD IN THE SPRING IS BETWEEN
MARCH 1 AND APRIL 15. AND IN THE FALL BETWEEN OCTOBER 30 AND NOVEMBER 30.
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PROJECT No. 94147
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b
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FLOW
g
1 BANKFULL
OVER LAPPING R00
MASSES--------------- ------------------------------- ---------------------------------------------------
1
1
I
TRUNK CND OF LOGS � INERBERM re re
ROOT MASSES W�LL BE PLACED W A
OVERLAPPON(3 ARRANGEMENT WrH THE c
ROOT MASSES D�RECTED UPSTREAM 0: 'u"
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ROOT MASSES W LL BE PLACED ON A 0 �
OVERLAPP�N(M ARRANGEMENT WrH THE
ROOT MASSES D�RECTED UPSTREAM
BOLL LWE STAKE OOVER
TRUNK END OF LOGS
MLL
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DATE MARCH 2013
/� I� /7 {� /,� PROJECT NO. 94147
IP L /p� N �// � �y�y/ FILENAME
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NOII TO SCL�LE DRAWING NO. DT7
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QANKFULL
�G ATERSL00 PE
FILL
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OLD STREAMBEDD
NiLOTal
SECT UMN
1) CORE WILL BE COMPACTED ON LIFTS OF 0 OMCES OR LESS.
2� CORE MATERIAL WILL CONSIST NSIST OO F SILTY OR CLAYEY MATERIAL EXCAVATED OO MS04Eo
3) CONTRACTOR SHALL COMPACT THE CORE TOO 00 OF PROC70Ro SOIL TESTING
RESPONSIBILITY OF CONTRACTOR.
Ro
41 IF EXCESS EXCAVATED ONSITE MATERIAL 0S AVAILABLE AFTER DITCH PLUGS HAVE BEEN
INSTALLED AT LOCATIONS SHOWN ON THE PLANS, CONTRACTOR SHALL USE EXCESS MATERIAL
FOR ADDITIONAL NAL DITCH PLUGGING WORK WITHIN ABANDONED NEDD CHANNELS AT LOCA flONS
DIRECTED BY THE ENGINEER.
NOT TOO SCALE
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PRESSURE TREATED
T rC H STMK
41" 40 51" POST
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DATE MARCH 2013
PROJECT NO. 94147
FILENAME
SHEET NO. s9 OF 54
DRAWING NO. DT9
DRAWN BY JAD
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Wood Posts 6" Dia (See Note 1) Anchor Twist Stick With
Or Steel Post (See Note 5) Safety Wire(121/ Gauge
(Typ) Hi— Tensile) And Staple 4" Dia Wood Brace (See Note 1)
(See Detail 5) (Typ) Or Steel Brace (See Note 5)
Twist Stick Brace Pin
See Note 10 See Detail 4
For Tension Wire
Attachment To Brace Wire —Two Loops Twisted Of
Post See Detail 4 Either 9 Gauge Smooth Class III
Galvanized Wire Or 12 Gauge Class
Direction 111 Galvanized Hi— Tensile Wire.
Of Pull Ground Surface
L Additional
Tension Wire,
Twist Stick And
Deadman Only If
Gate Is To Be
Installed On To
End Post
»
(Typ )'— L_8' Min Up To 2.5 Times
Height of Fence
Deadman Shall Be 4" Min. Dia. 18 " -24" long Treated Hardwood, Cedc,
Golv. Metal; Min 75 lb. Concrete Or Rock; Minimum 23�" Schedule 40 Steel
Pipe, Primed & Painted Or Galvanized; Or Screw Anchor (See Notes 8 & 9)
Ground
Surface
Saddle & Weld
All Around
(Typ)
Steel
Horizontal
Brace J0
ipe Cap
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Steel
Post
Dia
DETAIL 1 DETAIL 2 DETAIL 3
Pipe Cap
Steel Post
Concrete
Mound
Concrete
Backfill
3/8" x 10"
Class I, R Or
H[Golvanized
Steel Pin
(Typ) A
Staples
r.._
R W
AN HOR
6" Diameter
Wood Post
DETAIL 4
NOTES:
1. Wood posts and braces must be new redwood, red cedar,
blueberry juniper, black locust, osage orange, pressure
treated pine, treated hardwood, or steel. If using red
cedar or redwood, at least one half of the diameter of
the post shall be heartwood. No Landscape timbers are
allowed.
2. Do not notch posts.
3. All wooden posts shall be backfilled with earth thoroughly
tomped.
4. If steel pipe is used all steel pipe must be a minimum
of 234 inch diameter Schedule 40 steel pipe either
galvanized or primed and painted. All top of steel pipe
post are to be capped. Saddle and weld all connections
instead of using pins. (See Detail 2).
5. If steel pipe is used, post hole must be backfilled with
concrete. Mound concrete to prevent standing water
around steel pipe post. (See Detail 3).
6. To prevent wire from slipping on steel post, double wrap
all wire around steel post or weld chain link loops.
7. Deadman required where soil depth is restricted to <3',
soil texture is loamy fine sand or coarser soil or >6'
wire Hi— Tensile Fence.
8. For corrosive soils, screw anchors may be used in place
of deadman, loop brace wire through eye of installed
screw anchor.
9. Twist stick 18 to 24 inch long and 1 inch diameter or
2 "x2" treated hardwood or 18 to 24 inch long and 1/2
inch diameter galvanized or primed and painted pipe.
10. Place horizontal brace within the top 1/3 of the posts
and below the top fence wire.
Horizontal Brace
(See Note 11)
Tension Wire
Double Wrap &
Tie At Brace Pin
14" Long —
High Tensile
Wire
DETAIL 5
Wood
Brace
Twist Stick
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PROJECT No. 94147
52
DT10
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.III= III, -III-
/
;III,,- III -III- ;111-111-111-
= III, -_ =III-
Post Hole Backfill
(See Notes 3 Or 6)
/
(Typ)
L Additional
Tension Wire,
Twist Stick And
Deadman Only If
Gate Is To Be
Installed On To
End Post
»
(Typ )'— L_8' Min Up To 2.5 Times
Height of Fence
Deadman Shall Be 4" Min. Dia. 18 " -24" long Treated Hardwood, Cedc,
Golv. Metal; Min 75 lb. Concrete Or Rock; Minimum 23�" Schedule 40 Steel
Pipe, Primed & Painted Or Galvanized; Or Screw Anchor (See Notes 8 & 9)
Ground
Surface
Saddle & Weld
All Around
(Typ)
Steel
Horizontal
Brace J0
ipe Cap
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Steel
Post
Dia
DETAIL 1 DETAIL 2 DETAIL 3
Pipe Cap
Steel Post
Concrete
Mound
Concrete
Backfill
3/8" x 10"
Class I, R Or
H[Golvanized
Steel Pin
(Typ) A
Staples
r.._
R W
AN HOR
6" Diameter
Wood Post
DETAIL 4
NOTES:
1. Wood posts and braces must be new redwood, red cedar,
blueberry juniper, black locust, osage orange, pressure
treated pine, treated hardwood, or steel. If using red
cedar or redwood, at least one half of the diameter of
the post shall be heartwood. No Landscape timbers are
allowed.
2. Do not notch posts.
3. All wooden posts shall be backfilled with earth thoroughly
tomped.
4. If steel pipe is used all steel pipe must be a minimum
of 234 inch diameter Schedule 40 steel pipe either
galvanized or primed and painted. All top of steel pipe
post are to be capped. Saddle and weld all connections
instead of using pins. (See Detail 2).
5. If steel pipe is used, post hole must be backfilled with
concrete. Mound concrete to prevent standing water
around steel pipe post. (See Detail 3).
6. To prevent wire from slipping on steel post, double wrap
all wire around steel post or weld chain link loops.
7. Deadman required where soil depth is restricted to <3',
soil texture is loamy fine sand or coarser soil or >6'
wire Hi— Tensile Fence.
8. For corrosive soils, screw anchors may be used in place
of deadman, loop brace wire through eye of installed
screw anchor.
9. Twist stick 18 to 24 inch long and 1 inch diameter or
2 "x2" treated hardwood or 18 to 24 inch long and 1/2
inch diameter galvanized or primed and painted pipe.
10. Place horizontal brace within the top 1/3 of the posts
and below the top fence wire.
Horizontal Brace
(See Note 11)
Tension Wire
Double Wrap &
Tie At Brace Pin
14" Long —
High Tensile
Wire
DETAIL 5
Wood
Brace
Twist Stick
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MARCH 2013
PROJECT No. 94147
52
DT10
�I

ALIGNMENT "UPSTREAM MAINSTEM RESTORATION" DESCRIPTION
--------------------------------------------
--------------------------------------------
POT STATION 21 +28.92 N 639,836.06 E 1,594,784.57
COURSE FROM POT 21 +28.92 TO PC 21 +46.44 S 20' 27' 18" E DIST 17.52
CURVE DATA
*----- - - - - -*
24 +66.87 N
P.I. STATION
21 +61.75 N 639,805.30 E
1,594,796.04
DELTA
= 34' 02' 43" (LT)
3.93
DEGREE
= 114' 35' 30"
RADIUS =
TANGENT
= 15.31
= 20.45
LENGTH
= 29.71
LENGTH
RADIUS
= 50.00
LONG CHORD
= 29.27
P.C. STATION
21 +46.44 N 639,819.65 E
1,594,790.69
P.T. STATION
21 +76.15 N 639,796.41 E
1,594,808.50
BACK = S
20' 27' 18" E
E 1,595,056.10
AHEAD
= S 54' 30' 00" E
639,684.46
CHORD BEAR
= S 37' 28' 39" E
38° 22' 03" E
COURSE FROM
PT 21 +76.15 TO PC 21 +87.26 S 54'
30' 00" E DIST 11.11
CURVE DATA
*----- - - - - -*
W
P.I. STATION
22 +13.33 N 639,774.83 E
1,594,838.77
DELTA
= 55' 04' 32" (LT)
COURSE FROM
DEGREE
= 114' 35' 30"
6° 06' 56" W DIST 18.88
TANGENT
= 26.07
PC 50 +06.56
LENGTH
= 48.06
48 +61.78 N
RADIUS
= 50.00
24 +11.70 N
LONG CHORD
= 46.23
DELTA
P.C. STATION
21 +87.26 N 639,789.96 E
1,594,817.54
P.T. STATION
22 +35.32 N 639,783.56 E
1,594,863.33
BACK = S
54' 30' 00" E
BACK = S
AHEAD
= N 70' 25' 28" E
= 15.05
CHORD BEAR
= S 82' 02' 16" E
RADIUS
COURSE FROM
PT 22 +35.32 TO PC 22 +44.94 N 70' 25' 28" E DIST 9.61
CURVE DATA
*----- - - - - -*
LONG CHORD
P.I. STATION
22 +68.99 N 639,794.84 E
1,594,895.05
DELTA
= 37' 55' 34" (RT)
639,665.69 E
DEGREE
= 81' 51' 04"
25 +19.17 N
TANGENT
= 24.05
BACK = S
LENGTH
= 46.34
RADIUS
= 70.00
W
LONG CHORD
= 45.49
= S 14' 44' 18"
P.C. STATION
22 +44.94 N 639,786.78 E
1,594,872.39
P.T. STATION
22 +91.27 N 639,787.27 E
1,594,917.88
BACK = N
70' 25' 28" E
AHEAD
= S 71' 38' 58" E
= 5.51
CHORD BEAR
= N 89' 23' 15" E
CURVE
COURSE FROM
PT 22 +91.27 TO PC 23 +41.37 S 71'
38' 58" E DIST 50.10
CURVE DATA
*----- - - - - -*
= 11.00
P.I. STATION
23 +45.12 N 639,770.31 E
1,594,968.99
DELTA
= 6' 08' 10" (RT)
RADIUS
DEGREE
= 81' 51' 04'
TANGENT
LENGTH
7.50
= 00
RADIUS
= 70.00
P.I. STATION
LONG CHORD
= 7.49
E 1,593,940.19
P.C. STATION
23 +41.37 N 639,771.50 E
1,594,965.43
P.T. STATION
23 +48.86 N 639,768.76 E
1,594,972.41
BACK = S
71' 38' 58" E
P.T. STATION
AHEAD
= S 65' 30' 48" E
E 1,593,947.10
CHORD BEAR
= S 68' 34' 53" E
COURSE FROM
PT 23 +48.86 TO PC 24 +10.58 S 65' 30' 48" E DIST 61.72
CURVE DATA
*----- - - - - -*
P.I. STATION
24 +27.48 N 639,736.17 E
1,595,043.95
DELTA
= 27' 08' 45" (RT)
AHEAD
DEGREE
= 81' 51' 04"
TANGENT
= 16.90
LENGTH
= 33.16
= S 1° 04' 11"
RADIUS
= 70.00
LONG CHORD
= 32.86
P.C. STATION
24 +10.58 N 639,743.18 E
1,595,028.57
P.T. STATION
24 +43.75 N 639,722.92 E
1,595,054.44
BACK = S
65' 30' 48" E
AHEAD
= S 38° 22' 03" E
CHORD BEAR
= S 51' 56' 25" E
COURSE FROM PT 24 +43.75 TO PC 24 +46.42 S 38' 22' 03" E DIST 2.68
CURVE DATA
*----- - - - - -*
P.I. STATION
24 +66.87 N
639,704.79 E
1,595,068.80
DELTA
= 44' 28' 59"
(RT)
3.93
DEGREE
= 114° 35' 30"
RADIUS =
100.00
TANGENT
= 20.45
637,611.70
E 1,593,946.44
LENGTH
= 38.82
RADIUS
= 50.00
LONG CHORD
= 37.85
P.C. STATION
24 +46.42 N
639,720.82
E 1,595,056.10
P.T. STATION
24 +85.24 N
639,684.46
E 1,595,066.62
BACK = S
38° 22' 03" E
E
AHEAD
= S 6' 06' 56"
W
CHORD BEAR
= S 16' 07' 34"
E
COURSE FROM
PT 24 +85.24 TO
PC 25 +04.12 S
6° 06' 56" W DIST 18.88
CURVE
DATA
PC 50 +06.56
S 2° 04' 57" E DIST 23.75
*----- - - - - -*
48 +61.78 N
637,728.42
P.I. STATION
24 +11.70 N
639,658.16 E
1,595,063.80
DELTA
= 17' 14' 43" (RT)
48 +77.99 N
DEGREE
= 114' 35' 30"
CURVE
DATA
TANGENT
= 7.58
BACK = S
12° 12' 41" E
LENGTH
= 15.05
*----- - - - - -*
RADIUS
= 50.00
= S 21 ° 30' 05"
E
LONG CHORD
= 14.99
P.C. STATION
25 +04.12 N
639,665.69 E
1 595,064.61
P.T. STATION
25 +19.17 N
639,651.20 E
1,95,060.79
BACK = S
6' 06' 56" W
AHEAD
= S 23° 21' 39"
W
CHORD BEAR
= S 14' 44' 18"
W
S 21' 30' 05" E DIST 41.17
COURSE FROM PT 25 +19.17 TO POT 25 +66.91 S 23' 21' 39" W DIST 47.74
POT STATION 25 +66.91 N 639,607.37 E 1,595,041.86
END ALIGNMENT "UPSTREAM MAINSTEM RESTORATION" DESCRIPTION
ALIGNMENT "DOWNSTREAM MAINSTEM RESTORATION" DESCRIPTION
---------------------------------------------
POT STATION 48 +10.40 N 637,778.64 E 1,593,907.14
COURSE POT 48 +10.40 TO PC 48 +61.78 S 12' 12' 41" E DIST 51.38
CURVE DATA
*----- - - - - -*
CURVE DATA
*----- - - - - -*
P.I. STATION
49 +78.89 N 637,615.63 E 1,593,946.30
DELTA =
4° 29' 58" (RT)
DEGREE =
57' 17' 45'
TANGENT =
3.93
LENGTH =
7.85
RADIUS =
100.00
LONG CHORD =
7.85
P.I. STATION
48 +69.91 N
637,720.48
E 1,593,919.73
P.C. STATION
49 +74.96 N
637,619.53
E 1,593,945.85
DELTA
= 9' 17' 24" (LT)
P.T. STATION
49 +82.81 N
637,611.70
E 1,593,946.44
DEGREE
= 57° 45'
BACK = S
6° 34' 55" E
TANGENT
= 8.12 2
AHEAD
= S 2° 04' 57"
E
LENGTH
= 16.21
CHORD BEAR
= S 4° 19' 56"
E
RADIUS
= 100.00
LONG CHORD
= 16.20
COURSE FROM
PT 49 +82.81 TO
PC 50 +06.56
S 2° 04' 57" E DIST 23.75
P.C. STATION
48 +61.78 N
637,728.42
E 1,593,918.01
P.T. STATION
48 +77.99 N
637,712.92
E 1,593,922.70
CURVE
DATA
BACK = S
12° 12' 41" E
*----- - - - - -*
AHEAD
= S 21 ° 30' 05"
E
CHORD BEAR
= S 16' 51' 23"
E
P.I. STATION
50 +12.07 N
637,582.46
E 1,593,947.50
DELTA
= 6° 18' 17" (RT)
COURSE FROM
PT 48 +77.99 TO
PC 49 +19.17
S 21' 30' 05" E DIST 41.17
DEGREE
= 57° 17' 45"
TANGENT
= 5.51
CURVE
DATA
LENGTH
= 11.00
* *
RADIUS
1001
CHORD
= 00
P.I. STATION
49 +25.71 N
637,668.52
E 1,593,940.19
P.C. STATION
50 +06.56 N
637,587.97
E 1,593,947.30
DELTA
= 14° 55' 10"
(RT)
P.T. STATION
50 +17.57 N
637,576.97
E 1,593,947.10
DEGREE
= 114° 35' 30"
BACK = S
2° 04' 57" E
TANGENT
= 6.55
AHEAD
= S 4° 13' 20"
W
LENGTH
= 1302
CHORD BEAR
= S 1° 04' 11"
W
RADIUS = 50.00
LONG CHORD = 12.98
P.C. STATION 49 +19.17 N 637,674.62 E 1,593,937.79
P.T. STATION 49 +32.19 N 637,662.02 E 1,593,940.94
BACK = S 21' 30' 05" E
AHEAD = S 6' 34' 55" E
CHORD BEAR = S 14' 02' 30" E
COURSE FROM PT 49 +32.19 TO PC 49 +74.96 S 6' 34' 55" E DIST 42.77
COURSE FROM PT 50 +17.57 TO POT 50 +76.91 S 4' 13' 20" W DIST 59.34
POT STATION 50 +76.91 N 637,517.79 E 1,593,942.73
END ALIGNMENT "DOWNSTREAM MAINSTEM RESTORATION" DESCRIPTION
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PROJECT NO. X948
J"GG I NU. S3 OF fiQ
DRAWING NO. A 09
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ALIGNMENT "UT 7" DESCRIPTION
POT STATION 10 +00.00 N 634,983.44 E 1,591,252.65
COURSE FROM POT 10 +00.00 TO PC 10 +15.32 S 17' 30' 03" E DIST 15.32
CURVE DATA
*----- - - - - -*
P.I. STATION
10 +25.31 N 634,959.31
E 1,591,260.26
DELTA
= 22' 35: (LT)
= 1041' 44' 39 '
DEGREE
= 114' 35' 30"
LENGTH
TANGENT
= 9.99
= 5.50
LENGTH
= 19.71
P.C. STATION
RADIUS
= 50.00
11 +69.41 N 634,827.89 E 1,591,266.98
LONG CHORD
= 19.58
AHEAD
P.C. STATION
10 +15.32 N 634,968.83
E 1,591,257.25
P.T. STATION
10 +35.03 N 634,951.67
E 1,591,266.69
BACK = S
17' 30' 03' �
DELTA
AHEAD
= S 40' 05 18" E
= 173' 37' 26"
CHORD BEAR
= S 28' 47' 40" E
LENGTH
COURSE FROM
PT 10 +35.03 TO PC 10 +44.92 S 40' 05' 18" E DIST 9.88
CURVE DATA
*----- - - - - -*
LONG CHORD
P.I. STATION
10 +56.17 N 634,935.50
E 1,591,280.30
DELTA
= 25' 22' 23" (RT)
BACK = S
DEGREE
= 114' 35' 30"
= S 35' 40' 21" W
TANGENT
= 11.26
COURSE FROM
LENGTH
= 22.14
P.I. STATION
RADIUS
= 50.00
= 52' 55' 48" (LT
LONG CHORD
= 21.96
TANGENT
P.C. STATION
10 +44.92 N 634,944.11
E 1,591,273.05
P.T. STATION
10 +67.06 N 634,924.61
E 1,591,283.16
BACK = S
40' 05' 18' E
13 +42.30 N 634,694.63 E 1,591,160.10
AHEAD
= S 14' 42' 54" E
BACK = S
CHORD BEAR
= S 27' 24' 06" E
= S 17' 15' 27" E
COURSE FROM
PT 10 +67.06 TO PC 10 +82.54 S 14' 42' 54" E DIST 15.48
CURVE DATA
*----- - - - - -*
CURVE UT7 -8
P.I. STATION
10 +90. §7 N 34,901.58
E 1,591,289.21
DELTA
= 18' 54 56 (RT
DEGREE
DEGREE
= 114' 35' 30"
= 142.50
TANGENT
= 8.33
RADIUS
LENGTH
= 16.51
= 279.05
RADIUS
= 50.00
P.T. STATION
LONG CHORD
= 16.43
= S 17' 15' 27" E
P.C. STATION
10 +82.54 N 634,909.63
E 1,591,287.09
P.T. STATION
10 +99.05 N 634,893.27
E 1,591,288.60
BACK = S
14' 42' 54' E
214.16
AHEAD
= S 4' 12' 02" W
DELTA
CHORD BEAR
= S 5' 15' 26" E
= 28' 38' 52"
COURSE FROM
PT 10 +99.05 TO PC 11 +14.51 -4
S 4' 12' 02" W DIST 15.46
CURVE
DATA
= 200.00
*----- - - - - -*
= 83.08
P.I. STATION
11 +22.77 N 34,869.61
E 1,591,286.86
DELTA
= 18' 45' 16" (RT
= S 40' 42' 55" E
DEGREE
= 114' 35' 30"
CHORD BEAR
TANGENT
= 8.26
10 +00.00 TO PC 10 +19.65 S 74'
LENGTH
= 16.37
RADIUS
= 50.00
LONG CHORD
= 16.29
P.C. STATION
11 +14.51 N 634,877.85
E 1,591,287.46
P.T. STATION
11 +30.88 N 634,862.01
E 1,591,283.64
BACK = S
4' 12' 02" W
AHEAD
= S 22' 57' 18" W
CHORD BEAR
= S 13' 34' 40" W
COURSE FROM PT 11 +30.88 TO PC 11 +64.53 S 22' 57' 18" W DIST 33.65
CURVE DATA
*----- - - - - -*
P.I. STATION
11 +67.15 N 634,828.62 E 1,591,269.49
DELTA
= 50' 52 50 (R
DEGREE
= 1041' 44' 39 '
TANGENT
= 2.62
LENGTH
= 4.88
RADIUS
= 5.50
LONG CHORD
= 4.73
P.C. STATION
11 +64.53 N 634,831.03 E 1,591,270.51
P.T. STATION
11 +69.41 N 634,827.89 E 1,591,266.98
BACK = S
22' 57' 18" W
AHEAD
= S 73' 50' 08" W
CHORD BEAR
= S 48' 23' 43" W
COURSE FROM
PT 11 +69.41 TO PC 11 +72.76 S 73' 50' 08" W DIST 3.34
CURVE DATA
*----- - - - - -*
P.I. STATION
11 +84.17 N 634,823.78 E 1,591,252.81
DELTA
= 38: 47" (LT)
DEGREE
= 173' 37' 26"
TANGENT
= 11.42
LENGTH
= 21.98
RADIUS
= 33.00
LONG CHORD
= 21.58
P.C. STATION
11 +72.76 N 634,826.96 E 1,591,263.77
P.T. STATION
11 +943' 74 N 634,814.51 E 1,591,246.15
BACK = S
73' 50' 08W
AHEAD
= S 35' 40' 21" W
CHORD BEAR
= S 54' 45' 14" W
COURSE FROM
PT 11 +94.74 TO PC 13 +42.30 S 35' 40' 21" W DIST 147.56
CURVE DATA
*----- - - - - -*
P.I. STATION
14 +04.53 N 34,644.08 E 1,591,123.81
DELTA
= 52' 55' 48" (LT
DEGREE
= 45' 50' 12"
TANGENT
= 62.23
LENGTH
= 115.47
RADIUS
= 125.00
LONG CHORD
= 111.41
P.C. STATION
13 +42.30 N 634,694.63 E 1,591,160.10
P.T. STATION
14 +57.78 N 634,584.65 E 1,591,142.27
BACK = S
35' 40' 21' W
AHEAD
= S 17' 15' 27" E
CHORD BEAR
= S 9' 12' 27" W
CURVE DATA
*-----
CURVE UT7 -8
- - - - -*
P.I. STATION
16 +00.28 N 634,448.5658 E 1,591,184.5466
DELTA
= 23' 27' 28" (LT)
DEGREE
= 8' 20' 51"
TANGENT
= 142.50
LENGTH
= 281.01
RADIUS
= 686.37
LONG CHORD
= 279.05
P.C. STATION
14 +57.78 N 634,584.6528 E 1,591,142.2708
P.T. STATION
17 +38.79 N 634,340.5548 E 1,591,277.5011
BACK
= S 17' 15' 27" E
AHEAD
= S 40' 42' 55 E
CHORD BEAR
= S 28' 59' 11" E
CURVE DATA
*-----
- - - - -*
CURVE UT7 -9
214.16
P.I. STATION
17 +81.25 N 634,308.3672 E 1,591,305.2019
DELTA
= 23' 58' 31" (LT)
DEGREE
= 28' 38' 52"
TANGENT
= 42.47
LENGTH
= 83.69
RADIUS
= 200.00
LONG CHORD
= 83.08
P.C. STATION
17 +38.79 N 634,340.5548 E 1,591,277.5011
P.T. STATION
18 +22.48 N 634,290.2127 E 1,591,343.5918
BACK
= S 40' 42' 55" E
AHEAD
= S 64' 41' 26" E
CHORD BEAR
= S 52' 42' 10" E
CURVE DATA
DELTA =
23' 54' 00" (LT)
*----- - - - - -*
67' 24' 25"
CURVE UT7 -10
17.99
LENGTH =
P.I. STATION
19 +72.19 N 634,226.2100
E 1,591,478.9330
DELTA =
89' 53' 23" (RT)
P.C. STATION
DEGREE =
38' 11' 50"
10 +55.11 N 634,346.06 E 1,591,235.78
TANGENT =
149.71
81' 17' 09" E
LENGTH =
235.33
COURSE FROM PT 10
RADIUS =
150.00
LONG CHORD =
211.93
P.I. STATION
P.C. STATION
18 +22.48 N 634,290.2127
E 1,591,343.5918
P.T. STATION
20 +57.81 N 634,090.7459
E 1,591,415.1908
BACK = S
64' 41' 26" E
15.30
AHEAD = S
25' 11' 57" W
LONG CHORD =
CHORD BEAR = S
19' 44' 45" E
10 +79.87 N 634,349.8148 E 1,591,260.2584
CURVE DATA
*-----
10 +95.17 N 634,344.6823 E 1,591,273.9773
BACK = N
- - -
CURVE UT7 -11
- -*
40' 15' 44" E
P.I. STATION
21 +64.12 N 633,994.5516
E 1,591,369.9269
DELTA =
23' 29' 20" (RT)
- -*
DEGREE =
11' 12' 16'
DELTA =
TANGENT =
106.31
8' 20' 51'
LENGTH =
209.64
LENGTH =
RADIUS =
511.36
686.37
LONG CHORD =
208.17
P.C. STATION
P.C. STATION
20 +57.81 N 634,090.7459
E 1,591,415.1908
P.T. STATION
22 +67.44 N 633,924.3691
E 1,591,290.0735
BACK = S
25' 11' 57" W
40' 29' 20" E
AHEAD = S
48' 41' 17" W
CHORD BEAR = S
36' 56' 37" W
CURVE DATA
*----- - - - - -*
CURVE UT7 -12
P.I. STATION
23 +21.89 N 633,888.4259 E 1,591,249.18
DELTA =
28' 31' 43" (LT)
DEGREE =
26' 45' 14"
TANGENT =
54.45
LENGTH =
106.63
RADIUS =
214.16
LONG CHORD =
105.54
P.C. STATION
22 +67.44 N 633,924.3691
E 1,591,290.0735
P.T. STATION
23 +74.08 N 633,837.3150
E 1,591,230.4133
BACK = S
48' 41' 17" W
AHEAD = S
20' 09' 34" W
CHORD BEAR = S
34' 25' 25" W ----------------
---------------------------------------
END ALIGNMENT "UT 7" DESCRIPTION
ALIGNMENT "UT 8 TO UT 7" DESCRIPTION
POT STATION 10 +00.00 N 634,353.20 E 1,591,181.68
COURSE FROM POT
10 +00.00 TO PC 10 +19.65 S 74'
48' 51" E DIST 19.65
CURVE DATA
*----- - - - - -*
P.I. STATION 10 +37.64 N 634,343.34 E 1,591,218.00
DELTA =
23' 54' 00" (LT)
DEGREE =
67' 24' 25"
TANGENT =
17.99
LENGTH =
35.46
RADIUS =
85.00
LONG CHORD =
35.20
P.C. STATION
10 +19.65 N 634,348.05 E 1,591,200.64
P.T. STATION
10 +55.11 N 634,346.06 E 1,591,235.78
BACK = S 74' 48' 51" E
AHEAD = N
81' 17' 09" E
CHORD BEAR = S
86' 45' 51" E
COURSE FROM PT 10
+55.11 TO PC 10 +79.87 N 81' 17' 09.49" E DIST 24.76
CURVE DATA
*-----
- - -
CURVE UT8 -REV -2
- -*
P.I. STATION
10 +88.26 N 634,351.0862 E 1,591,268.5536
DELTA =
58' 27' 06.09" (RT)
DEGREE =
381' 58' 18.71'
TANGENT =
8.39
LENGTH =
15.30
RADIUS =
15.00
LONG CHORD =
14.65
P.C. STATION
10 +79.87 N 634,349.8148 E 1,591,260.2584
P.T. STATION
10 +95.17 N 634,344.6823 E 1,591,273.9773
BACK = N
81' 17' 09" E
AHEAD = S
40' 15' 44" E
CHORD BEAR = S
69' 29' 17" E
CURVE DATA
*-----
- - -
CURVE UT8 -REV -3
- -*
P.I. STATION
10 +97.88 N 634,342.6116 E 1,591,275.7311
DELTA =
0' 27' 11" (LT)
DEGREE =
8' 20' 51'
TANGENT =
2.71
LENGTH =
5.42
RADIUS =
686.37
LONG CHORD =
5.42
P.C. STATION
10 +95.17 N 634,344.6823 E 1,591,273.9773
P.T. STATION
11 +00.60 N 634,340.5548 E 1,591,277.5011
BACK = S
40' 15' 44" E
AHEAD = S
40* 42' 55" E
CHORD BEAR = S
40' 29' 20" E
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
END ALIGNMENT "UT 8 TO UT 7" DESCRIPTION
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""" MARCH 293
PROJECT NO. 94948
SHEET NO. " OF "
DRAWING NO. ®a
�I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Appendices
Final Little Buffalo Creek Stream Mitigation Plan

APPENDIX I
PROJECT SITE PHOTOGRAPHS

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 1: Reach 1 -View looking upstream from a portion of Reference Reach. (6/18/2008)
Photo 2: Reach 1 near proposed restoration reach. View looking downstream. (6/18/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 3: Reach 1 near end of restoration reach at 900 turn (right to left, then into the page).
(3/29/2010)
Photo 4: Reach 2 downstream of Bridge, upstream of UT 2. View looking downstream.
(6/18/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 5: Reach 3 — restored channel to be to the right. View looking downstream. (6/18/2008)
Photo 6: Reach 3 — E -2. View looking downstream. (6/18/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 7: Reach 4. View looking downstream. (6/18/2008)
Photo 8: Reach 4. Concrete on rt. bank to be removed and dimension, pattern, & profile
restored. (8/30/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 9: Reach 5. View looking upstream at multi - thread channel. (7/17/2008)
Photo 10: Reach 6. Preservation Reach. (7/31/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 11: UT 1. View looking upstream from confluence with mainstem. (12/9/2009)
Photo 12: UT 2. View looking upstream. E -2 in pasture, Preservation from trees up to pond.
(6/18/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 13: UT 3. View looking upstream at E -1 area. (7/27/2010)
Photo 14: UT 3. View looking upstream at E -2 area. (12/9/2009)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 15: UT 4. View looking downstream at E -1 area, backpack shown for scale. (8/30/2010)
Photo 16: UT 4. View looking upstream at E -2 area. (8/30/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 17: UT 5. View looking upstream. (7/31/2008)
Photo 18: UT 6. View looking upstream. (7/31/2008)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 19: UT 7. View looking upstream at upper limit — culverts under Old Mine Rd.
(3/29/2010)
Photo 20: UT 7. View looking downstream.
(3/29/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix I

APPENDIX 2
PROJECT SITE USACE ROUTINE WETLAND DELINEATION
DATA FORMS
(N /A — No Wetlands are associated with this project)

APPENDIX 3
PROJECT SITE NCDWQ STREAM CLASSIFICATION FORMS

North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Project: Latitude:
Date: / ; v � e. i
Evaluator: site: P' -r�t'f 4� j j Longitude:
l AX
Total Points: Other
stream is at least intermitter, t County: e.g. Quad Name:
ff z 19 or erennial if ? 30' 1 4 Gf '�
A. Geomorphology (Subtotal .= .2�1, ":} )
Absent
0
1
AWeak
Moderate
2
Strong
1 a• Continuous bed and bank
2. Sinuosity
0
0
c
3
3. In- channel structure: riffle -pool sequence
0
Water in channel -- dry or growing season
0: -
1
4. Soil texture or stream substrate sorting
0
c°
1
0.5
5. Active /relic {loodplain
0
1
2
,
6. Depositional bars or benches
0
12
0.5
3
7. Braided channel
r 0
f
2
3
8. Recent alluvial deposits
0
c l' -<
2
3
9' Natural levees
0
1
`2
3
10. Headcuts
0
;.: 9.:.. %
2
3
11. Grade controls
0
0.5
1
1.5
12. Natural valley or drainageway
0
0.5
13. Second or- greater order channel on existing�\
USGS or NRCS map or other documented
No = 0
d.. Yes'
3 = -.✓
evidence.
Man -made ditches are not rates; see aiscussiuns to manual
D. rJyiJ[UJUqY kQUWLULGt1 -
0
1
2
3
14. Groundwater flow /discharge
3
'..
1
0
15. Water in channel and > 48 hrs since rain, or
0
1
23y
1.5
Water in channel -- dry or growing season
0: -
1
2
0
16. Leaflilter
c°
1
0.5
1.5
17. Sediment on plants or debris
0
p0..
0.5.,.E
1
1.5
1 S. Organic debris lines or piles (Wrack lines)
r,'
0.5
1
1.5
19. Hydric soils (redoximorphic features) present?
"No =,0
Yes
20L', Fibrous roots in channel
3
1
0
21 . Rooted plants in channel
3
'..
1
0
22. Crayfish
'0
0.5 5
1
1.5
23. Bivalves
0: -
1
2
3
24. Fish
0. '
0.5
1
1.5
25. Amphibians:
0
0.5
1
1.5
26. Macrobenthos (note diversity and abundance)
�� t
0.5
1
1.5
27. Filamentous algae; periphyton
0 =?
1
2
3
28. iron oxidizing bacterialfungus.
r,' 0.5 1 1.5
29 . Wetland plants in streambed
FAC = 0.5; FACW = 0,75; OBL = 1.5 SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upianu pianca, nci'i - ,��u��a r _ �- -• __.___ ,______
Sketch:
Notes: (use back side of this farm for additional notes.)
�i

avood fi-m\ V-2)
North Carolina Division of Water Quality -- Stream Identification Form; Version 3.1
Date: - i�,i J p j Project: L ( Latitude:
Evaluator: ;;-, r, i `/ � Site: -T6 --.0 UT (� Longitude:
Total Points: Other
Stream is at least intermittent County: C' k, G.{ e.g. Quad Name:
if ? 19 or perennial if -a 30 1� V. 75
A. Geomorphology (Subtotal = ��'� ) A
Absent W
Weak M
Moderate S
Strong
1a. Continuous bed and bank 0
0 1
1 2
2 3
3
2. Sinuosity 0
0 1
1 2
2 3
3
3. In- channel structure: riffle -pool sequence 0
0 1
1 2
2 3
3
4. Soil texture or stream substrate sorting 0
0 1
1 2
2 3
3
5. Active /relic floodplain 0
0 1
1 2
2 )_ 3
3
6. Depositional bars or benches 0
0 1
1 2
2 3
3
7. Braided channel V
1 2
2 3
3
8. Recent alluvial deposits 1
Vill 1
1 2
2 3
3
9' Natural levees 1
1 2
2 3
3
10. Headcuts I
I Co 1
1 2
2 3
3
11. Grade controls 0
0 0
0.5 1
1 1
1.
12- Natural valley or drainageway 0
0 0
0.5 1
1 1
1.5
13. Second or greater order channel on existing
USGS or NRCS map or other documented c
cl__= DO-
ditches are not rated; see discussions in manual
14. Groundwater flowidischarge 0 1 2 (3 )
15. Water in channel and > 48 hrs since rain, or 0 1 2 ,3 ;
Water in channel -- dry or growing season
16. Leaflitter 1.5 1 0.5 0
17. Sediment on plants or debris (0.5 1 1.5
18. Organic debris lines or piles (Wrack lines) 0 0.5 1 1.5
19. Hydric soils (r)doximorphic features) present? No = 0 Yes = 1.5
1E�
r Q;,,L,.,i. rQIA4 ^+�I - /)
20e. Fibrous roots in channel 3 2 1 0
21 b . Rooted plants in channel 3 2 0
22. Crayfish 0 0.5 T 1.5
23. Bivalves 0 1 2 3
24. Fish 0 0.5 1 1.5
25. Amphibians (0 0.5 1 1.5
26. Macrobenthos (note diversity and abundance) 0 0.5 1 1.5
27. Filamentous algae; periphyton 0 1 2 3
28. Iron oxidizing bacterialfungus. 0 _ - 1 1.5
29 e. Wetland plants in streambed FAC = 0.5; FACW = 0.75; BL = 1.5 SAV = 2.0; Other = 0
Items 20 and 21 tocus on the presence of uprana plants. Hem za Tocuses ornrre- Presence V dqud uc U, wcuai iu P1nMw .
Sketch:
Notes: (use back side of this form for additional notes.)
S11 - arv�ba z.l�
1E�
r Q;,,L,.,i. rQIA4 ^+�I - /)
20e. Fibrous roots in channel 3 2 1 0
21 b . Rooted plants in channel 3 2 0
22. Crayfish 0 0.5 T 1.5
23. Bivalves 0 1 2 3
24. Fish 0 0.5 1 1.5
25. Amphibians (0 0.5 1 1.5
26. Macrobenthos (note diversity and abundance) 0 0.5 1 1.5
27. Filamentous algae; periphyton 0 1 2 3
28. Iron oxidizing bacterialfungus. 0 _ - 1 1.5
29 e. Wetland plants in streambed FAC = 0.5; FACW = 0.75; BL = 1.5 SAV = 2.0; Other = 0
Items 20 and 21 tocus on the presence of uprana plants. Hem za Tocuses ornrre- Presence V dqud uc U, wcuai iu P1nMw .
Sketch:
Notes: (use back side of this form for additional notes.)
S11 - arv�ba z.l�
Items 20 and 21 tocus on the presence of uprana plants. Hem za Tocuses ornrre- Presence V dqud uc U, wcuai iu P1nMw .
Sketch:
Notes: (use back side of this form for additional notes.)
S11 - arv�ba z.l�

4�
�0�
North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: Project: Bzr Latitude:
s
Evaluator: f Site: 0,7Cif_?nej 1}aYl1 fix} 7u75 Longitude:
Total Points: Other
Stream is at least intermittent r County:
if? 19 or perennial if? 34 .j / >' e.g. Quad Name:
A. Geomorphology (Subtotal= i )
Absent
Weak
Moderate
Strong
1a. Continuous bed and bank
0
1
tit
3
2. Sinuosity
0
1
2
3
3. In- channel structure: riffle -pool sequence
0
1
1
3
4. Soil texture or stream substrate sorting
0
r Yes = 1.5
12
1.5
5. Active /relic floodplain
0
1
2
3
6. Depositional bars or benches
0
1
2
3
7. Braided channel
0
1
2
3
8. Recent alluvial deposits
0
1
2
3
9a Natural levees
('0
1
2
3
10. Neadcuts
0
1
2
3
11, Grade controls
0
0.5
1
1.5
12. Natural valley or drainageway
0 0.5
1 1.5
13. Second or greater order channel on exi_ sting
USGS or NRCS map or other documented
�o = 0
Yes = 3
evidence.
Man -made ditches are not rated; see discussions in manual
14. Groundwater flow /discharge
0
1
2
3
15. Water in channel and > 48 hrs since rain, or
Water in channel - d or rowin season
2
1
0
16. Leaflitter
17. Sediment on plants or debris
1.5
0
1
0.
0.5
1
0
1.5
18. Organic debris lines or piles (Wrack lines)
0
0.5
1
1.5
19. Hydric soils (redoximorphic features) present?
No = 0
r Yes = 1.5
,s
20 b. Fibrous roots in channel
2
1
0
21b. Rooted plants in channel
2
1
0
22. Crayfish
Ek
0.5
1
1.5
23. Bivalves
1
2
3
24. Fish
0.5
1
1.5
25. Amphibians
0.5
1
1.5
26. Macrobenthos (note diversity and abundance)
0
0.5
1
1.5
27. Filamentous algae; periphyton
0
1
2
3
28. Iron oxidizing bacteriatfungus.
'0 .5 - �1.5AV 1.5
29 . Wetland plants in streambed
FAG = 0.5; °FACW = 0.75,,OBL = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants, Item 29 focuses on the presence or aquaric or weuano pianis.
Sketch:
Notes: (use back side of this form for additional notes.)

rep _eV,0n t�� `TY,�)
North Carolina Division of Water Quality -- Stream Identification f=orm; Version 3.1
Date: j 2i I ) Project: 1 i Latitude:
Evaluator: 23 1 Site: } U Longitude:
Total Points: i Other
stream is at least intermittent 3� " b County: �; e.g. Quad Name:
if ? 19 or perennial if ? 30
A. G.eomorpholo (Subtotal= 1 :
Absent
Weak
Moderate Stron
1a. Continuous bed and bank
0
1
2
3
2. Sinuosity
0
1
1
2
2
3
3
3. In- channel structure: riffle -pool sequence
D
2
1
4. Soil texture or stream substrate sorting
0
1
2
5. Activelrelic floodplain
0
1
2
2
3
6. Depositional bars or benches
0
1
1_
7. Braided channel
0
1
2
3
3
8. Recent alluvial deposits
0
1
2
9 a Natural levees
0
0}
A0
1
2
2
3
3
10. Headcuts
1
1
1
1.5
11. Grade controls
0
.5
0.5
1
1.5
12. Natural valley or drainageway
27. Filamentous algae; periphyton
0
13. Second or greater order channel on existin
/ r1
/
Yes = 3
3
1.5
USGS or NRCS map or other documented
0'I
FAC = 0.5;
0.5
FACW = 0.75; 013E = 1.5
1
SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants,
evidence.
wetland plants.
a Man -made ditches are not rated; serve discussions in manual
Notes: (use back side of this form for additional notes.)
"I
B. H drolo Subtotal = .
2
3
14. Groundwater flow /discharge
0
1
15. Water in channel and > 48 hrs since rain, or
0
1
2
3
Wat r in channel - dry or rawin season
1.5
i 1)
0.5
0
16. Leaflitter
0
0.5
(i.1
V
17. Sediment on plants or debris
18. Organic debris lines or piles (Wrack lines)
0
0.5
= 0
�Yes-
19. Hydric soils (redoximorphic features) present?
No
i
C. Biology (Subtotal
20b. Fibrous roots in channel
2
1
0
0
21.Rooted plants in channel
P;3��
2
1
22. Crayfish
0.5
1
1.5
23. Bivalves
1_
2
3
24. Fish
0
1.5
25. Amphibians
D)
0.5
1
1
1.5
1.5
26, Macrobenthos (note diversity and abundance)
0
0.5
27. Filamentous algae; periphyton
0
1
2
3
1.5
28. Iron oxidizing bacterialfungus.
29 °. Wetland plants in streambed
0'I
FAC = 0.5;
0.5
FACW = 0.75; 013E = 1.5
1
SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants,
Item 29 focuses on the presence of aquatic or
wetland plants.
Sketch:
Notes: (use back side of this form for additional notes.)
nnc*y Pflnw

North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: �� Project: (, Latitude:
Evaluator:? t 7 Site: �" , =� �.( 2 Longitude:
Total Points: Other
Stream is at least intermittent County:
if? 18 or perennial if?: 30 2 P � � e.g. Quad Name:
A. Geomorphology. (Subtotal =)
Absent
Weak
Moderate
Strong
1a. Continuous bed and bank
0
1
_ 2
0
2. Sinuosity
0
1
_ 2
3
_
3. In- channel structure: rifflo -pool sequence
0
1
2
3
4. Soil texture or stream substrate sorting
0
1
2
3
5. Active /relic floodplain
0
1
2
3
6. Depositional bars or benches
0
1 )
2 _
3
7. Braided channel
0
1
2
3
8. Recent alluvial deposits
0
1
2
3
9 a Natural levees
0
1
2
3
10. Headcuts
1
2
3
11. Grade controls
0
0.5
(1 )
1.5
12. Natural valley or drainageway
0
0.5
1
1.5 W_
13. Second or greater order channel on existing
USGS or NRCS map or other documented
evidence.
rNo= 0
Yes = 3
`Man -made ditches are not rated; serve discussions in manual
R Wwrlrninmi (Ciihintal
14. Groundwater flowldischarge
0
1
2
3.
15. Water in channel and > 48 hrs since rain, or
Water in channel -- dry or growing season
0
1
2
0
16. Leaflitter
1.5
0.5
0.5
0
17. Sediment on plants or debris
0
.5
1
1.5
18. Organic debris lines or piles (Wrack lines)
0
0.5
1
1.5
19. Hydric soils (redoximorphic features) present?
No = 0 __ .­___�Yes
= 1.5
t, Rinlnnw l5uhtntal = � 7
20 b. Fibrous roots in channel
3
2
1
0
214. Rooted plants in channel
3
2
1
0
22. Crayfish
0
0.5
1
1.5
23, Bivalves
1
2
3
24. Fish
0
0.5
1
1.5
25. Amphibians
(0
0.5
1
1.5
26. Macrobenthos (note diversity and abundance)
0
0.5
1
1.5
27. Filamentous algae; periphyton
0
1
2
3
28. Iron oxidizing bacteria /fungus.
_
y 0° °
0.5
1 ,
1.5
294. Wetland plants in streambed
FAC = 0.5; �ACW =0.75; OBL = 1.5 SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants, Iterii'-29�focuses on the presence or aquatic or wetiana prams.
Sketch:
Notes: (use back side of this form for additional notes.)
°`r ) Q
�S- i1'rE'._f�Ni i %�., tI..L� f 1.i1..0 �'Y` ._._.A 5 'C. a _ ~r$ F.�� f`:i

North Carolina Division of Water Quality -- Stream Identification Form; Version 3.1
Date: Project:, Latitude:
s41 S
[;valuator: t�� r�n }vT ' Site: `) e� Longitude:
Total Points: Other
Stream is at least intermittent County e.g. Quad Name:
if ;>- f 9 or perennial if � 30 ,
A. Geomor holo Subtotal = l S )
Absent
Weak
Moderate
Strang
1a. Continuous bed and bank
0
1
2
y
2. Sinuosity
0
1
0.5
3
3. In- channel structure; riffle -pool sequence
0
c [ ?
1
3
4. Soil texture or stream substrate sorting
0
j
2
3
5, Activelrelic floodplain
0
1
c -_2:31
3
6. Depositional bars or benches
9V,
1
2
3
T Braided channel
�.b)
1
2
3
8. Recent alluvial deposits
0
°1 ;?
2
3
9B Natural levees
.Q
1
2
3
10. Headcuts,w
1
2
3
11. Grade controls
D:•>
0.5
1
1.5
12. Natural valley or drainageway
0
0.5
1
e'Tr7S
13, Second or greater order channel on existin
USGS or MRCS map or other documented
evidence.
== No =.Q..
Yes = 3
Man -made ditches are not rated; see discussions in manual
14. Groundwater flow /discharge
0
, - ° °1)
2
3
15. Water in channel and > 48 hrs since rain, or
Water in channel -- dry or growing season
3
0
2
3
16. Leafiitter
(0�
0.5
0.5
0
17. Sediment on plants or debris
�0
c' 05
1
1.5
18. Organic debris lines or piles (Wrack lines)
, ',0:; - <'
0,5
1
1.5
19. Hydric soils (redoximorphic features) present?
N6"= 0 .:
Yes
C`. RinlnMll lC11hfn4al = 14, �- 1
20'. Fibrous roots in channel
3
E 2.
1
0
21 . Rooted plants in channel
3
0
1
0
22. Crayfish
(0�
0.5
1
1.5
23. Bivalves
'
1
2
3
24. Fish
(: 0
0.5
1
1.5
25, Amphibians G pace
0
,:-0:5_,,,11
1
1.5
26. Macrobenthos (note diversity and abundance)
0.5
1
1.5
27. Filamentous algae; periphyton
LQ,'
1
2
3
28, Iron oxidizing bacteria /fungus.
t :,0 '
0.5
1
1.5
29 . Wetland plants in streambed
FAC = 0.5; FACW = 0.75; OBL = 1.5 SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants, Item 2u tocuses on ine presence UT aquduc ui weLIaiiu Pincus.
Sketch:
Notes: (use back side of this form for additional notes.)
�5F'rs jifTk( rtp .� `� 7 ��,4b r� �.1''t.fr,u A- "' /
[, N�.l L•.:9isJ6�.�4d Z� �Uf�C r
S 0 T en? ,P,) ,o w e4 dal ve a
�Ic2.,�f

North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: (� io C a Project: L 16 C Latitude:
r �i };
Evaluator: �J>j Site: ; acre stir tvr. . Longitude:
Total Points: Other
I Stream is at least intermittent County: cL� e.g. Quad Name:
if 19 or eranniai iF z 3D
A. Geomorphology (Subtotal )
Absent
Weak
Moderate
Strong
1a. Continuous bed and bank
0
1
2
3
2. Sinuosity
0
1
2
3
3. In- channel structure: riffle -pool sequence
0
1 '
2
3
4. Soil texture or stream substrate sorting
0
(`i�
2
3
5. Active /relic floodplain
0
1
('_2.')
3
6. Depositional bars or benches
0,�
1
2
3
7. Braided channel
0 ?
1
2
3
8. Recent alluvial deposits
FAC = 0.5; FACW = 0.75; OBL = 1.5 SAV = 2.0; Other = 0
e>
2
3
9' Natural levees
r'
1
2
3
10. Headcuts
c` b;
1
2
3
11. Grade controls
C'0
0.5
1
1.5
12. Natural valley or drainageway
0
0.5
1.5
13. Second or greater order channel on existing
USGS or MRCS map or other documented
evidence.
No = 0)
: , a r�r
v _ 'Yes 3
Man -made ditches are not rated; see discussions in manual
M LJ...d­J.,. /0„kf_t_1 - 49 1
14. Groundwater flow /discharge
0
1
2
3
15. Water in channel and > 48 hrs since rain, or
Water in channel -- da or growing season
0
2
3
16. Leaflitter
r?"1 5,
1
0.5
0
17. Sediment on plants or debris
0
1
1
1.5
18. Organic debris lines or piles (Wrack lines)
[: 0
0.5
1
1.5
19. Hydric soils (redoximorphic features) present?
No = _0.7
Yes = 1.5
r' QW-1 lei IMMni o W, i
201). Fibrous roots in channel
31 `
t:'
1
0
21 , Rooted plants in channel
3
t'2
1
0
22. Crayfish
�'
0.5
1
1.5
23. Bivalves
O i
1
2
3
24. Fish
i a,�'
0.5
1
1.5
25, Amphibians
0.5
1
1.5
26. Macrobenthos (note diversity and abundance)
27. Filamentous algae; periphyton
t)
(0)
0.5
1
1
2
1.5
3
28. Iron oxidizing bacteria /fungus.
D
0.5
1
1.5
29 . Wetland plants in streambed
FAC = 0.5; FACW = 0.75; OBL = 1.5 SAV = 2.0; Other = 0
-Items 20 and 21 Focus on the presence of uptand plants, Rem za Tocuses on ine presenluu ur ayuduu v1 wCLldI R➢ rAdI ILf.
Sketch:
Notes; (use back side of this form for additional notes.)
w %flZ. °z_ rr "i. ot.!
5
17 ty L�T d,f> &C.rrwf•p v .'

APPENDIX 4
REFERENCE SITE PHOTOGRAPHS

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 20: Upstream of project area. View looking upstream after a large rain event.
(3/31/2010)
Photo 21: Upper limits of project area. View looking upstream. (3/31/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix 4

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 22: Middle of reference reach. View looking downstream. (3/31/2010)
Photo 23: Middle of Reference Reach. View looking upstream. (4/13/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix 4

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Photo 24: Downstream portion of Reference reach. View looking upstream.
(4/13/2010)
Photo 25: Downstream portion of Reference reach. View looking upstream at curve.
(4/13/2010)
Final Little Buffalo Creek Stream Mitigation Plan Appendix 4

APPENDIX 5
REFERENCE SITE USACE ROUTINE WETLAND
DETERMINATION DATA FORMS
(N /A — A reference site was not necessary for this project)

APPENDIX 6
REFERENCE SITE NCDWQ STREAM CLASSIFICATION
FORMS
(Little Buffalo Creek is a named, blue line stream on the USGS
topographic quadrangle. The stream is perennial; therefore; a stream
classification form was not completed.)

APPENDIX 7
HYDROLOGIC GAUGE DATA SUMMARY, GROUNDWATER
AND RAINFALL INFORMATION

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Appendix 7 Table 1: Hydrologic Gauge Data Summary — Annual Peak Flows
SGS 02125000 BIG BEAR CR NR RICHFIELD, NC
1955 -2007
Date
Cubic Feet per Second
CFS)
Date
Cubic Feet per Second
(CFS)
/6/1955
4880
12/31/1981
3720
/16/1956
4200
/6/1983
2850
/8/1957
7460
/15/1984
9700
/6/1958
4880
8/17/1985
2740
/9/1959
9700
11/21/1985
4370
/18/1960
4550
/28/1987
3990
/21/1961
140
/10/1988
1610
/11/1962
400
/24/1989
4150
/6/1963
3020
10/1/1989
8030
/11/1964
4850
10/11/1990
10100
10/16/1964
8270
/16/1992
3290
/4/1966
5610
/6/1993
4700
8/22/1967
11100
/2/1994
3410
/12/1968
3440
/11/1995
5600
/16/1969
3620
10/4/1995
4900
/1/1970
1960
/23/1997
11400
/3/1971
4880
/17/1998
4820
10/16/1971
4040
1/24/1999
2030
Final Little Buffalo Creek Stream Mitigation Plan Appendix 7

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
/24/1973
6590
10/11/1999
7520
/5/1974
1730
8/18/2001
3360
/18/1975
6110
1/23/2002
3840
12/31/1975
1520
/20/2003
7670
/30/1977
5830
/28/2004
9640
10/26/1977
8410
/28/2005
2810
/24/1979
6690
12/15/2005
3010
/21/1980
3440
/2/2007
5580
/12/1981
770
Source: USGS 2010. USGS Water Resources. National Water Information System: Web Interface. Peak Streamflow for the
Nation. USGS 02125000 BIG BEAR CR NR RICHFIELD, NC. Available URL:
http : / /nwis.waterdata.usgs.gov /nwis /peak ?site_no = 02125000 &agency_cd = USGS &format =html
Final Little Buffalo Creek Stream Mitigation Plan Appendix 7

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
y,
Cumulative
Precipitation at Mt Pleasant
2006 -09 TO so far this month
5.0
4.5
4.0
3.5
3.0
x
N
2.5
2.0
1.5
1.0
0.5
0.0
d5 rl
O rl
I
tb tb
4 4
O O
N N
rl
O
I
fx
4
O
N
7
O
M
4
O
N
tb
O
I
M
4
O
N
d5
O
M
4
O
N
rl
rl
I
M
4
O
N
N 7 f� d5 rl
O O O O rl
I I
d6 M d6 M d6
4 4 4 4 4
O O O O O
N N N N N
N
O
I
di
4
O
N
7
O
di
C,
O
N
f� d5 N N
O O rl O
I I
di di di O
4 4 4 rl
O O O O
N N N N
If7 f�
O O
I
O O
rl rl
O O
N N
Date Tine
State Climate Office
of North
Carolina
(0.154s)
NC CRONOS Database
Source: North Carolina State Climate Office. NC CRONOS Database — Monthly Sum of Daily Percipitation. Mount Pleasant,
Cabarrus County, North Carolina. Station # 315945.
Available URL: http:// www.nc- climate.ncsu.edu/cronos/
Final Little Buffalo Creek Stream Mitigation Plan Appendix 7

APPENDIX 8
HEGRAS Analysis

APPENDIX A: NOAA 24 -Hour Precipitation Depths

NOAA 24 -HOUR PRECIPITATION DEPTHS FOR GEOMETRIC CENTROID OF
LITTLE BUFFALO CREEK WATERSHED
' POINT PRECIPITATION man
FREQUENCY ESTIMATES
FROM NOAA ATLAS 14 qww
North Carolina 35.5050 N 80.3662 W 800 feet
from 'Precipitation- Frequency Atlas of the United States" NOAA Atlas 14, Volume 2, Version 3
G.M. Bonnin, D. Martin, B. Lin, T. Parzybok, M.Yekta, and D. Riley
NOAA, National Weather Service, Silver Spring, Maryland, 2004
Extracted: Wed Mar 10 2010
* These precipitation frequency estimates are based on a partial duration series. ARI is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information. NOTE: Formatting forces estimates near zero to appear as zero.
Precipitation Frequency Estimates (inches)
ARI*
5
������
10
15
30
60
120
3 hr
6 hr
F12
24 hr
48 hr
4 day
7 day
10
�����
20
30
45
60
ears
�y )
min
min
min
min
min
min
min
min
min
hr
hr
hr
da
da
da
da
da
0.40 0.63
0.79 1.08
1.35 1.57
1.67 2.03 2.41 2.87 3.36 3.78 4.33 4.96 6.65 8.18 10.31 12.32
G 0.47 0.75
0.94 1.30
1.63 1.90
2.02 2.44 2.91 3.47 4.04 4.53 5.17 5.89 7.85 9.62 12.08 14.37
0.55 0.87
1.10 1.57
2.01 2.35
2.52 3.05 3.65 4.35 5.03 5.58 6.29 7.08 9.26 11.18 13.81 16.22
10 0.60 0.96
1.21 1.75
2.28 2.69
2.90 3.52 4.23 5.04 5.81 6.41 7.19 8.02 10.38 12.39 15.14 17.66
25 0.66 1.05
1.33 1.97
2.62 3.13
3.40 4.15 5.03 5.98 6.86 7.55 8.41 9.27 11.89 13.98 16.87 19.51
50 0.70 1.11
1.40 2.12
2.87 3.45
3.78 4.64 5.67 6.73 7.69 8.45 9.38 10.26 13.07 15.21 18.18 20.91
100 0.73 1.16
1.47 2.25
3.10 3.77
4.16 5.13 6.32 7.50 8.54 9.37 10.38 11.26 14.27 16.42 19.45 22.24
200 0.76 1.21
1.52 2.37
3.32 4.08
4.55 5.63 7.00 8.29 9.41 10.32 11.40 12.27 15.48 17.64 20.71 23.55
500 0.79 1.25
1.57 2.50
3.59 4.47
5.05 6.32 7.93 9.36 10.60 11.63 12.80 13.65 17.12 19.26 22.36 25.24
1000 0.81 1.28
1.60 2.59
3.79 4.76
5.44 6.84 8.67 10.22 11.54 12.65 13.91 14.73 18.39 20.50 23.59 26.51
* These precipitation frequency estimates are based on a partial duration series. ARI is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information. NOTE: Formatting forces estimates near zero to appear as zero.
* Upper bound of the 90% confidence interval
Precipitation Frequency Estimates (inches)
ARI **
5
10
15
30
60
120
3
6
12
24
48
4
7
10
20
30
45
60
(years)
min
min
min
min
min
min
hr
hr
hr
hr
hr
day
day
day
day
day
day
day
1 0.43 0.69
0.86 1.18
1.47 1.71
1.83 2.22 2.63 3.10 3.61 4.04 4.62 5.26 7.00 8.59 10.78 12.84
G 0.51 0.81
1.02 1.42
1.77 2.07
2.21 2.68 3.19 3.74 4.35 4.85 5.51 6.25 8.26 10.10 12.61 14.95
0.59 0.95
1.20 1.71
2.19 2.57
2.75 3.33 3.99 4.69 5.41 5.97 6.70 7.51 9.74 11.73 14.40 16.89
10 0.65 1.04
1.31 1.90
2.48 2.94
3.15 3.84 4.62 5.43 6.24 6.86 7.65 8.50 10.92 13.00 15.78 18.38
25 0.71 1.14
1.44 2.13
2.84 3.41
3.69 4.51 5.46 6.45 7.36 8.08 8.95 9.82 12.51 14.67 17.59 20.31
50 0.76 1.20
1.52 2.29
3.11 3.76
4.11 5.04 6.14 7.25 8.26 9.05 9.99 10.88 13.76 15.97 18.98 21.78
100 0.79 1.26
1.59 2.44
3.36 4.11
4.51 5.57 6.84 8.07 9.17 10.05 11.05F 195 15.03 17.26 20.32 23.19
200 0.82 1.31
1.65 2.57
3.60 4.44
4.93 6.11 7.56 8.93 10.12 11.07 12.16 13.03 16.33 18.56 21.66 24.58
500 0.86 1.36
1.71 2.72
3.90 4.87
5.49 6.85 8.55 10.11 11.43 12.50 13.69 14.52 18.09 20.30 23.41 26.39
1000 0 .88 1.39
1.74 2.82
4 .12 5 .19
5 .91 7 .42 9 .36 11.04 12.46 13.62 14.90 15.69 19.47 21.65 24 .74 27 .76

*The upper bound of the confidence interval at 90% confidence level is the value which 5% o f t he simulated qua ntile values for a given frequency are greater than.
** These precipitation frequency estimates are based on a partial duration series. ARI is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information. NOTE: Formatting prevents estimates near zero to appear as zero.
* Lower bound of the 90% confidence interval
Precipitation Frequency Estimates (inches) F ARI ** 5 10 30 60 120 3 6 12 24 48 4 7 10 20 30 45 60 (years) min min F15
in min min min hr hr hr hr hr [day day day day day day day
0.36 0.58
-F--
.73 1.00 1.25 1.44 1.53 1.86 2.22 2.67 3.12 3.52 4.07 4.68 6.31
-F--
79 9.88 11.84
2 0.43 0.69 0.87 1.20 1.50 1.74 1.85 2.24 2.67 3.23 3.77 4.23 4.86 5.56 7.44 9.15 11.55 13.79
0.50 0.80 1.01 1.44 1.85 2.15 2.31 2.79 3.35 4.04 4.68 5.21 5.91 6.67 8.78 10.63 13.19 15.57
10 0.55 0.88 1.11 1.61 2.09 2.46 2.64 3.21 3.87 4.68 5.39 5.97 6.73 7.55 9.83 11.77 14.45 16.94
25 0.60 0.96 1.21 T-7
1.80 2.39 2.84 3.08 3.76 4.55 5.53 6.35 7.00 7.85 8.70 11.23 13.26 16.07 18.69
50 0.63 1.01 1.28 1.92 2.60 3.12 3.41 4.17 5.09 6.21 7.11 7.82 8.74 9.61 12.32 14.40 17.29 20.00
100 0.66 1.05 1.33 2.04 2.80 3.38 3.73 4.59 5.63 6.90
-F--
.87 8.64 9.63 10.52 13.41 15.52 18.46 21.25
F 200 0.69 1.08 1.37 2.13 2.99 3.63 4.05 4.99 6.17 7.60 8.65 9.49 10.55 11.44 14.50 16.63 19.61 22.45
500 0.71 1.12 1.41 2.24 3.21 3.94 4.44 5.52 6.88 8.54 9.69 10.64 11.79 12.67 15.97 18.09 21.09 24.00
1000 0.72 1.13 1.42 2.30 3.36 4.16 4.74 5.90 7.41 9.29 10.51 11.53 12.76 13.62 17.10 19.20 22.20 25.16
The lower bound of the confidence interval at 90% confidence level is the value which 5% of the simulated quantile values for a given frequency are less than.
* These precipitation frequency estimates are based on a partial duration maxima series. ARI is the Average Recurrence Interval.
Please refer to NOAA Atlas 14 Document for more information. NOTE: Formatting prevents estimates near zero to appear as zero.

s
Q
R
0
V
.g
i
CL
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Partial duration based Point Preoipitation Frequenoy Estimates - Version: 3
35.5050 M 80.3662 W 800 ft
1 2 5 10 25 50 100 200 500 1000
Average Reourrenoe Interval {years)
Wed Mar 10 13:11:55 2010
Duration
5 -min
?0 -m
48 -hr x 30 -day x
10 -min +
3 -hr
4 -day
15 -min +
6 -hr +
7 -day + 60 -day �K
30 -min a
12 -hr +
10 -day +
60 -min —
24 -hr
20 -day

Partial duration based Point Precipitation Frequency Estimates - Version: 3
35.5050 N 80.3662 W 800 ft
M W.'
MM�
— -' ro m Duration -' -' CU ro t W
Wed Mar 10 13:11:55 2010
Average Recurrence Interval
(years)
1
2 100 —
5 + 200 +
10 a 500 +
25 -4�-- 1000 --a—
Maps -
These maps were produced using a direct map request from the
U.S. Census Bureau Mapping and Cartographic Resources
Tiger Map Server.

Please read disclaimer for more information.
Other Maps /Photographs -
View USGS digital orthouhoto quadrangle (DOO) covering this location from TerraServer; USGS Aerial
Photograph may also be available
from this site. A DOQ is a computer - generated image of an aerial photograph in which image displacement caused
by terrain relief and camera
tilts has been removed. It combines the image characteristics of a photograph with the geometric qualities of a map.
Visit the USGS for more information.
Watershed /Stream Flow Information -
Find the Watershed for this location using the U.S. Environmental Protection Agency's site.
Climate Data Sources -
Precipitation frequency results are based on data from a variety of sources, but largely NCDC. The following links
provide general information
about observing sites in the area, regardless of if their data was used in this study. For detailed information about
the stations used in this study,
please refer to NOAA Atlas 14 Document.
Using the National Climatic Data Center's NCDC station search engine, locate other climate stations within:
+/ -30 minutes +/ -1 degree
...OR... of this location (35.5050/- 80.3662). Digital ASCII data canbe obtained directly
from NCDC.
Hydrometeorological Design Studies Center
DOC /NOAA /National Weather Service
1325 East -West Highway
Silver Spring, MD 20910
(301) 713 -1669
Questions ?: HD SC. Questions( a�noaa.¢ov
Disclaimer

APPENDIX B: Weighted Runoff Curve Number Calculations

CURVE NUMBER INDEX
SOURCE. NRCS Runoff Curve Numbers Table 2 -2a, 2 -2b and 2 -2c, TR -55
SCS CURVE NUMBER METHOD
V:� Operations �121�1008 - Little Buffalo Creek�Deliverables�Cakulations�H& H�HYDRO�WORKSHEETS�ANALYSIS2�CN _TABLE.xIs 1 of 1
Hydrologic Soil Group (HSG)
LU Index
Land Cover Description
NRCS Curve Number Table Equivalent
LU Symbol
A
B
C
D
1
Cultivated
Row Crops- Straight Row (SR) -Good Condition
SR -G
67
78
85
89
2
Deciduous Shrubland
Brush -brush weed grass mixture with brush the
BR -F
35
56
70
77
major element -Fair Condition
3
Evergreen Shrubland
Brush -brush weed grass mixture with brush the
BR -G
30
48
65
73
major element -Good Condition
4
High Intensity Developed
Residential Districts - 1 Acre (20% average
R1
51
68
79
84
impervious)
5
Low Intensity Developed
Residential Districts - 2 Acre (12% average
R2
46
65
77
82
impervious)
6
Managed Herbaceous Cover
Row Crops- Straight Row (SR) -Good Condition
SR -G
67
78
85
89
7
Mixed Hardwoods /Conifers
Woods -Good Condition
WO -G
30
55
70
77
8
Mixed Upland Hardwoods
Woods -Good Condition
WO -G
30
55
70
77
9
Southern Yellow Pine
Woods -Good Condition
WO -G
30
55
70
77
10
Unmanaged Herbaceous Upland
Farmsteads - building, lanes,driveways and
FA
59
74
82
86
surrounding lots
11
Water Bodies
Impervious Areas
WATER
98
98
98
98
V:� Operations �121�1008 - Little Buffalo Creek�Deliverables�Cakulations�H& H�HYDRO�WORKSHEETS�ANALYSIS2�CN _TABLE.xIs 1 of 1

SOILS INDEX
Source: NRCS Web Soil Survey
Soil
Symbol
Soil Description
HSG for
SCS CN
HSG for
Rational C
BaB
Badin channery silt loam, 2 to 8 percent slopes
B
BaC
Badin channery silt loam, 8 to 15 percent slopes
B
BaD
Badin channery silt loam, 8 to 15 percent slopes (CABARRUS); Badin
channery silt loam, 15 to 30 percent slopes (ROWAN)
B
BaF
Badin channery silt loam, 15 to 45 percent slopes
B
CeB2
Cecil sandy clay loam, 2 to 8 percent slopes, moderately eroded
B
ChA
Chewacla sandy loam, 0 to 2 percent slopes, frequently flooded
(CABARRUS); Chewacla loam, 0 to 2 percent slopes, frequently flooded
(ROWAN)
C
CmB
Cid- Lignum complex, 1 to 6 percent slopes
C
EnB
Enon sandy loam, 2 to 8 percent slopes (CABARRUS); Enon fine sandy
loam, 2 to 8 percent slopes (ROWAN)
C
EnC
Enon fine sandy loam, 8 to 15 percent slopes
C
GeB2
Georgeville silty clay loam, 2 to 8 percent slopes, moderately eroded
B
GoC
Goldston very channery silt loam, 4 to 15 percent slopes
C
GoF
Goldston very channery silt loam, 15 to 45 percent slopes
C
HeB
Herndon silt loam, 2 to 8 percent slopes (CABARRUS); Helena sandy loam,
1 to 6 percent slopes (ROWAN)
C
KcB
Kirksey -Cid complex, 2 to 6 percent slopes
C
KkB
Kirksey silt loam, 1 to 6 percent slopes
C
LdB2
Lloyd clay loam, 2 to 8 percent slopes, moderately eroded
B
Me B2
Mecklenburg clay loam, 2 to 8 percent slopes, moderately eroded
C
OkA
Oakboro silt loam, 0 to 2 percent slopes, frequently flooded
C
PaD
Pacolet sandy loam, 15 to 25 percent slopes
B
PcE3
Pacolet - Udorthents complex, 12 to 25 percent slopes, gullied
B
PxB
Poindexter -Rowan complex, 2 to 8 percent slopes
B
SeB
Sedgefield fine sandy loam, 1 to 6 percent slopes
C
TaB
Tarrus silt loam, 2 to 8 percent slopes (CABARRUS); Tarrus -Badin complex,
2 to 8 percent slopes (ROWAN)
B
TaC
Tarrus -Badin complex, 8 to 15 percent slopes
B
TaD
Tarrus silt loam, 8 to 15 percent slopes
B
TbB2
Tarrus silty clay loam, 2 to 8 percent slopes, moderately eroded
B
TbD2
Tarrus silty clay loam, 8 to 15 percent slopes, moderately eroded
B
Ud
Udorthents, loamy
C
UwB2
Uwharrie silty clay loam, 2 to 8 percent slopes, moderately eroded
B
VaB
Vance sandy loam, 2 to 8 percent slopes
C
VaC
Vance sandy loam, 8 to 15 percent slopes
C
VnB2
Vance sandy clay loam, 2 to 8 percent slopes, moderately eroded
C
VnC2
Vance sandy clay loam, 8 to 15 percent slopes, moderately eroded
C
W
Water
D
WtB
Wynott -Enon complex, 2 to 8 percent slopes
C
V: I Operations 112111008 - Little Buffalo Creek Deliverables Calculations JH &H JHYDROI WORKSHEETS JANALYSIS2 JSOILS.xIs 1 of 1

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
84
SUB -1
BR -F
BaC
B
29921.8345
0.687
56
38.4670049
56
97
SUB -1
BR -F
BaC
B
4255.00148
0.098
56
5.47015801
56
101
SUB -1
BR -F
BaC
B
9842.59216
0.226
56
12.6534702
56
81
SUB -1
BR -F
CmB
C
17485.8932
0.401
70
28.099461
70
83
SUB -1
BR -F
CmB
C
13067.1532
0.300
70
20.9986392
70
82
SUB -1
BR -F
Tb B2
B
44440.5156
1.020
56
57.1319759
56
87
SUB -1
BR -F
Tb B2
B
8742.94191
0.201
56
11.2397784
56
95
SUB -1
BR -F
Tb B2
B
43714.747
1.004
56
56.1989401
56
96
SUB -1
BR -F
Tb B2
B
48202.7155
1.107
56
61.9685965
56
100
SUB -1
BR -F
Tb B2
B
42615.1435
0.978
56
54.7853084
56
47
SUB -1
R1
Tb B2
B
17109.6894
0.393
68
26.7093406
68
51
SUB -1
SR -G
BaC
B
247198.68
5.675
78
442.642264
78
44
SUB -1
SR -G
CeB2
B
60140.1378
1.381
78
107.688952
78
25
SUB -1
SR -G
CmB
C
513221.195
11.782
85
1001.46468
85
36
SUB -1
SR -G
CmB
C
85790.2905
1.969
85
167.405296
85
38
SUB -1
SR -G
CmB
C
303112.564
6.959
85
591.473094
85
50
SUB -1
SR -G
CmB
C
153368.91
3.521
85
299.273584
85
55
SUB -1
SR -G
CmB
C
43900.2706
1.008
85
85.6639807
85
57
SUB -1
SR -G
CmB
C
84282.0154
1.935
85
164.462151
85
30
SUB -1
SR -G
EnB
C
1146299.92
26.315
85
2236.81114
85
31
SUB -1
SR -G
EnC
C
372848.773
8.559
85
727.551554
85
27
SUB -1
SR -G
HeB
C
4496.77854
0.103
85
8.77470561
85
53
SUB -1
SR -G
Ld B2
B
130718.366
3.001
78
234.0687
78
42
SUB -1
SR -G
OkA
C
66548.2149
1.528
85
129.857628
85
35
SUB -1
SR -G
TaB
B
3915.63805
0.090
78
7.01147309
78
33
SUB -1
SR -G
TaC
B
51823.8277
1.190
78
92.7974876
78
37
SUB -1
SR -G
TaC
B
366193.267
8.407
78
655.717971
78
48
SUB -1
SR -G
TaC
B
8152.72659
0.187
78
14.5985462
78
29
SUB -1
SR -G
Tb B2
B
593776.166
13.631
78
1063.23556
78
32
SUB -1
SR -G
Tb B2
B
91944.0322
2.111
78
164.638074
78
34
SUB -1
SR -G
Tb B2
B
55714.8713
1.279
78
99.764921
78
39
SUB -1
SR -G
Tb B2
B
373188.787
8.567
78
668.244385
78
46
SUB -1
SR -G
Tb B2
B
152853.736
3.509
78
273.705038
78
49
SUB -1
SR -G
Tb B2
B
2178689.88
50.016
78
3901.23532
78
54
SUB -1
SR -G
Tb B2
B
20736.8871
0.476
78
37.132167
78
56
SUB -1
SR -G
Tb B2
B
71100.4834
1.632
78
127.314915
78
52
SUB -1
SR -G
UwB2
B
237387.406
5.450
78
425.073868
78
45
SUB -1
SR -G
VaC
C
1123.32039
0.026
85
2.19197046
85
26
SUB -1
SR7
VnB2
C
655727.518
15.053
85
1279.54176
85
41
SUB -1
SR -G
VnB2
C
711657.865
16.337
85
1388.68041
85
40
SUB -1
SR -G
VnC2
C
748446.575
17.182
85
1460.46738
85
43
SUB -1
SR -G
W
D
116908.653
2.684
89
238.862951
89
28
SUB -1
SR -G
WIB
C
232523.478
5.338
85
453.730386
85
85
SUB -1
WATER
BaC
B
36003.4029
0.827
98
80.9993913
98
86
SUB -1
WATER
W
D
33940.2072
0.779
98
76.3576746
98
19
SUB -1
WO -G
BaC
B
465766.346
10.693
55
588.08882
55
107
SUB -1
WO -G
BaC
B
150211.783
3.448
55
189.661343
55
21
SUB -1
WO -G
CeB2
B
22433.8757
0.515
55
28.3256006
55
0
SUB -1
WO -G
CmB
C
226215.265
5.193
70
363.523153
70
11
SUB -1
WO -G
CmB
C
17953.7791
0.412
70
28.8513438
70
17
SUB -1
WO -G
CmB
C
139754.4
3.208
70
224.58237
70
58
SUB -1
WO -G
CmB
C
8736.42084
0.201
70
14.0392438
70
62
SUB -1
WO -G
CmB
C
836160.347
19.196
70
1343.69202
70
74
SUB -1
WO -G
CmB
C
257569.639
5.913
70
413.908969
70
80
SUB -1
WO -G
CmB
C
26988.5045
0.620
70
43.3699568
70
5
SUB -1
WO -G
EnB
C
414584.166
9.518
70
666.227998
70
65
SUB -1
WO -G
EnB
C
8742.94191
0.201
70
14.049723
70
66
SUB -1
WO -G
EnB
C
71355.7073
1.638
70
114.667115
70
70
SUB -1
WO -G
EnB
C
8742.96061
0.201
70
14.0497531
70
6
SUB -1
WO -G
EnC
C
75463.9959
1.732
70
121.269048
70
67
SUB -1
WO -G
EnC
C
137.207843
0.003
70
0.22049011
70
2
SUB -1
WO -G
HeB
C
49374.9096
1.133
70
79.3444369
70
16
SUB -1
WO -G
OkA
C
848849.681
19.487
70
1364.08351
70
98
SUB -1
WO -G
OkA
C
7.4768979
0.000
70
0.01201522
70
106
SUB -1
WO -G
OkA
C
168934.285
3.878
70
271.473828
70
10
SUB -1
WO -G
TaB
B
148997.755
3.421
55
188.128478
55
8
SUB -1
WO -G
TaC
B
2900408.45
66.584
55
3662.13188
55
22
SUB -1
WO -G
TaC
B
68689.1737
1.577
55
86.7287546
55
61
SUB -1
WO -G
TaC
B
12603.2124
0.289
55
15.9131469
55
68
SUB -1
WO -G
TaC
B
395547.015
9.081
55
499.42805
55
71
SUB -1
WO -G
TaC
B
21903.3113
0.503
55
27.6556961
55
76
SUB -1
WO -G
TaC
B
17485.8932
0.401
55
22.078148
55
77
SUB -1
WO -G
TaC
B
86451.1214
1.985
55
109.155456
55
89
SUB -1
WO -G
TaC
B
8821.82826
0.203
55
11.138672
55
92
SUB -1
WO -G
TaC
B
126488.079
2.904
55
159.70717
55
102
SUB -1
WO -G
TaC
B
35677.3774
0.819
55
45.0471937
55
104
SUB -1
WO -G
TaC
B
1188.38692
0.027
55
1.50048853
55
4
SUB -1
WO -G
Tb B2
B
25521.711
0.586
55
32.2243826
55
7
SUB -1
WO -G
Tb B2
B
169166.015
3.884
55
213.593453
55
9
SUB -1
WO -G
Tb B2
B
300407.435
6.896
55
379.302316
55
12
SUB -1
WO -G
Tb B2
B
1186455.83
27.237
55
1498.05029
55
13
SUB -1
WO -G
Tb B2
B
185221.47
4.252
55
233.865492
55
24
SUB -1
WO -G
Tb B2
B
280509.564
6.440
55
354.178743
55
59
SUB -1
W0-G
Tb B2
B
6.53042776
0.000
55
0.00824549
55
60
SUB -1
WO -G
Tb B2
B
6143.53123
0.141
55
7.75698387
55
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSVWALY51S3 dfRCN -EX.x6 1of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
63
SUB -1
WO -G
Tb B2
B
356814.981
8.191
55
450.523966
55
69
SUB -1
WO -G
Tb B2
B
171195.512
3.930
55
216.155949
55
72
SUB -1
WO -G
Tb B2
B
104958.75
2.410
55
132.523675
55
73
SUB -1
WO -G
Tb B2
B
66035.029
1.516
55
83.3775619
55
78
SUB -1
WO -G
Tb B2
B
97150.8458
2.230
55
122.665209
55
79
SUB -1
WO -G
Tb B2
B
16726.2518
0.384
55
21.1190048
55
88
SUB -1
WO -G
Tb B2
B
8742.95126
0.201
55
11.0390799
55
94
SUB -1
WO -G
Tb B2
B
33703.1477
0.774
55
42.5544794
55
99
SUB -1
WO -G
Tb B2
B
177.997336
0.004
55
0.22474411
55
103
SUB -1
WO -G
Tb B2
B
97849.2698
2.246
55
123.547058
55
105
SUB -1
WO -G
Tb B2
B
132564.003
3.043
55
167.378791
55
108
SUB -1
WO -G
Tb B2
B
27950.0604
0.642
55
35.2904804
55
23
SUB -1
WO -G
VaC
C
35804.9865
0.822
70
57.5378572
70
93
SUB -1
WO -G
VaC
C
163.424489
0.004
70
0.2626197
70
1
SUB -1
WO -G
VnB2
C
9237.39354
0.212
70
14.8442963
70
15
SUB -1
WO -G
VnB2
C
521852.072
11.980
70
838.605258
70
75
SUB -1
WO -G
VnB2
C
101979.437
2.341
70
163.878802
70
91
SUB -1
WO -G
VnB2
C
391839.842
8.995
70
629.67835
70
14
SUB -1
WO -G
VnC2
C
460182.487
10.564
70
739.503537
70
64
SUB -1
WO -G
VnC2
C
21034.0477
0.483
70
33.8012704
70
90
SUB -1
WO -G
VnC2
C
7275.53918
0.167
70
11.6916378
70
18
SUB -1
WO -G
W
D
3206.13191
0.074
77
5.66740489
77
20
SUB -1
WO -G
W
D
68591.2582
1.575
77
121.247174
77
3
SUB -1
WO -G
WtB
C
9949.33984
0.228
70
15.988379
70
SUB -1 Total
522.355
0.816
728
SUB -10
BR -F
BaB
B
115896.567
2.661
56
148.994668
56
908
SUB -10
BR -F
BaB
B
199164.931
4.572
56
256.043071
56
647
SUB -10
BR -F
BaC
B
1695.78085
0.039
56
2.1800672
56
666
SUB -10
BR -F
BaC
B
7881.7376
0.181
56
10.1326287
56
671
SUB -10
BR -F
BaC
B
3155.87538
0.072
56
4.05714006
56
673
SUB -10
BR -F
BaC
B
49565.123
1.138
56
63.7200847
56
676
SUB -10
BR -F
BaC
B
3494.37363
0.080
56
4.4923077
56
713
SUB -10
BR -F
BaC
B
9675.94615
0.222
56
12.4392329
56
646
SUB -10
BR -F
BaD
B
39137.4908
0.898
56
50.3144969
56
651
SUB -10
BR -F
BaD
B
4180.45729
0.096
56
5.37432526
56
654
SUB -10
BR -F
BaD
B
8642.74787
0.198
56
11.1109706
56
675
SUB -10
BR -F
BaD
B
5248.58698
0.120
56
6.74749475
56
899
SUB -10
BR -F
BaD
B
26228.8444
0.602
56
33.7193592
56
905
SUB -10
BR -F
BaD
B
6559.26248
0.151
56
8.43247702
56
910
SUB -10
BR -F
BaD
B
235.571893
0.005
56
0.30284725
56
919
SUB -10
BR -F
BaD
B
25230.8696
0.579
56
32.4363797
56
930
SUB -10
BR -F
BaD
B
7.16654475
0.000
56
0.00921319
56
911
SUB -10
BR -F
ChA
C
14596.3257
0.335
70
23.4559871
70
929
SUB -10
BR -F
ChA
C
8735.78472
0.201
70
14.0382215
70
645
SUB -10
BR -F
EnB
C
175424.264
4.027
70
281.903087
70
650
SUB -10
BR -F
EnB
C
4075.59012
0.094
70
6.54938724
70
665
SUB -10
BR -F
EnB
C
861.223016
0.020
70
1.3839672
70
670
SUB -10
BR -F
EnB
C
7748.45965
0.178
70
12.451611
70
672
SUB -10
BR -F
EnB
C
20378.4777
0.468
70
32.7477833
70
711
SUB -10
BR -F
EnB
C
78140.2047
1.794
70
125.569659
70
644
SUB -10
BR -F
EnC
C
76814.8191
1.763
70
123.439792
70
652
SUB -10
BR -F
EnC
C
26715.7577
0.613
70
42.9316583
70
655
SUB -10
BR -F
EnC
C
100.194046
0.002
70
0.16100972
70
707
SUB -10
BR -F
EnC
C
8742.94191
0.201
70
14.049723
70
712
SUB -10
BR -F
EnC
C
130757.621
3.002
70
210.124736
70
904
SUB -10
BR -F
GeB2
B
72127.3082
1.656
56
92.7256488
56
918
SUB -10
BR -F
GeB2
B
184599.942
4.238
56
237.318566
56
923
SUB -10
BR -F
GeB2
B
8742.94191
0.201
56
11.2397784
56
925
SUB -10
BR -F
GeB2
B
8742.96061
0.201
56
11.2398024
56
782
SUB -10
BR -F
PcE3
B
110428.616
2.535
56
141.965164
56
780
SUB -10
BR -F
Tb B2
B
29938.6587
0.687
56
38.4886337
56
827
SUB -10
BR -F
Tb B2
B
6148.73797
0.141
56
7.90471364
56
912
SUB -10
BR -F
Tb B2
B
82727.1406
1.899
56
106.352614
56
781
SUB -10
BR -F
Tb D2
B
121921.225
2.799
56
156.739867
56
828
SUB -10
BR -F
Tb D2
B
28823.0858
0.662
56
37.0544721
56
909
SUB -10
BR -F
Tb D2
B
245339.009
5.632
56
315.403684
56
636
SUB -10
R2
EnB
C
11461.9237
0.263
77
20.2609762
77
641
SUB -10
R2
EnB
C
159.89308
0.004
77
0.28263928
77
635
SUB -10
R2
VaB
C
11959.3204
0.275
77
21.1402128
77
640
SUB -10
R2
VaB
C
537.586213
0.012
77
0.95027866
77
681
SUB -10
SR -G
BaB
B
280256.298
6.434
78
501.836347
78
685
SUB -10
SR -G
BaB
B
267648.42
6.144
78
479.260256
78
692
SUB -10
SR -G
BaB
B
344270.47
7.903
78
616.462273
78
729
SUB -10
SR -G
BaB
B
4616.0539
0.106
78
8.26566126
78
731
SUB -10
SR -G
BaB
B
104531.859
2.400
78
187.17826
78
734
SUB -10
SR -G
BaB
B
817974.556
18.778
78
1464.69273
78
838
SUB -10
SR -G
BaB
B
357256.998
8.201
78
639.716388
78
840
SUB -10
SR -G
BaB
B
307117.536
7.050
78
549.934981
78
849
SUB -10
SR -G
BaB
B
667821.353
15.331
78
1195.82336
78
881
SUB -10
SR -G
BaB
B
90597.1526
2.080
78
162.226306
78
680
SUB -10
SR -G
BaC
B
176574.535
4.054
78
316.180297
78
684
SUB -10
SR -G
BaC
B
335363.266
7.699
78
600.512736
78
686
SUB -10
SR -G
BaC
B
81698.2125
1.876
78
146.291565
78
691
SUB -10
SR -G
BaC
B
122151.107
2.804
78
218.727878
78
694
SUB -10
SR -G
BaC
B
68613.4154
1.575
78
122.861488
78
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSVWALY51S3 dfRCN -EX.x6 2of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
730
SUB -10
SR -G
BaC
B
28752.0853
0.660
78
51.4844502
78
736
SUB -10
SR -G
BaD
B
370572.188
8.507
78
663.559015
78
836
SUB -10
SR -G
BaD
B
217096.484
4.984
78
388.74026
78
841
SUB -10
SR -G
BaD
B
720871.457
16.549
78
1290.81666
78
851
SUB -10
SR -G
BaD
B
222656.965
5.112
78
398.697045
78
895
SUB -10
SR -G
BaD
B
43512.2038
0.999
78
77.9144145
78
900
SUB -10
SR -G
BaD
B
8742.96061
0.201
78
15.6554391
78
931
SUB -10
SR -G
BaD
B
1908.3297
0.044
78
3.4171193
78
933
SUB -10
SR -G
BaD
B
7428.39314
0.171
78
13.3015304
78
937
SUB -10
SR -G
BaD
B
81989.0601
1.882
78
146.812367
78
747
SUB -10
SR -G
BaF
B
17463.7567
0.401
78
31.2711897
78
830
SUB -10
SR -G
BaF
B
13273.1696
0.305
78
23.7673835
78
860
SUB -10
SR -G
BaF
B
53792.4016
1.235
78
96.3224821
78
839
SUB -10
SR -G
ChA
C
166983.406
3.833
85
325.839979
85
932
SUB -10
SR -G
ChA
C
34378.0335
0.789
85
67.0829395
85
936
SUB -10
SR -G
ChA
C
170.921464
0.004
85
0.33352444
85
605
SUB -10
SR -G
EnB
C
3112.90924
0.071
85
6.07431785
85
606
SUB -10
SR -G
EnB
C
86.5850581
0.002
85
0.16895615
85
607
SUB -10
SR -G
EnB
C
1323063.3
30.373
85
2581.73509
85
609
SUB -10
SR -G
EnB
C
130255.739
2.990
85
254.172126
85
630
SUB -10
SR -G
EnB
C
730187.981
16.763
85
1424.83881
85
631
SUB -10
SR -G
EnB
C
11899.936
0.273
85
23.2207199
85
648
SUB -10
SR -G
EnB
C
7184.90242
0.165
85
14.0201264
85
653
SUB -10
SR -G
EnB
C
1201.85677
0.028
85
2.34522097
85
678
SUB -10
SR -G
EnB
C
646991.872
14.853
85
1262.49562
85
679
SUB -10
SR -G
EnB
C
119198.526
2.736
85
232.595838
85
689
SUB -10
SR -G
EnB
C
327200.137
7.511
85
638.475932
85
829
SUB -10
SR -G
EnB
C
57975.7291
1.331
85
113.129866
85
832
SUB -10
SR -G
EnB
C
307850.675
7.067
85
600.718718
85
834
SUB -10
SR -G
EnB
C
911689.991
20.930
85
1779.0094
85
604
SUB -10
SR7
EnC
C
9821.29942
0.225
85
19.1646109
85
610
SUB -10
SR -G
EnC
C
219571.762
5.041
85
428.457294
85
629
SUB -10
SR -G
EnC
C
54388.0729
1.249
85
106.12916
85
634
SUB -10
SR -G
EnC
C
240508.683
5.521
85
469.312168
85
682
SUB -10
SR -G
EnC
C
118698.221
2.725
85
231.619578
85
690
SUB -10
SR -G
EnC
C
74801.5569
1.717
85
145.962634
85
693
SUB -10
SR -G
EnC
C
94631.5633
2.172
85
184.65755
85
833
SUB -10
SR -G
GeB2
B
595275.148
13.666
78
1065.91969
78
934
SUB -10
SR -G
GeB2
B
41671.7367
0.957
78
74.6188122
78
940
SUB -10
SR -G
GeB2
B
7240.21934
0.166
78
12.9645801
78
746
SUB -10
SR -G
KkB
C
218999.751
5.028
85
427.341112
85
845
SUB -10
SR -G
KkB
C
445368.808
10.224
85
869.062183
85
883
SUB -10
SR -G
KkB
C
796.901757
0.018
85
1.5550195
85
896
SUB -10
SR -G
KkB
C
26431.4063
0.607
85
51.5764356
85
608
SUB -10
SR -G
McB2
C
50536.6367
1.160
85
98.6137309
85
632
SUB -10
SR -G
McB2
C
467178.061
10.725
85
911.619266
85
649
SUB -10
SR7
McB2
C
9875.92299
0.227
85
19.2711996
85
612
SUB -10
SR -G
TaB
B
128434.037
2.948
78
229.978303
78
683
SUB -10
SR -G
TaB
B
6823.00383
0.157
78
12.2175
78
687
SUB -10
SR -G
TaB
B
175328.572
4.025
78
313.949234
78
732
SUB -10
SR -G
TaB
B
29924.9398
0.687
78
53.5846029
78
741
SUB -10
SR -G
TaB
B
90010.368
2.066
78
161.17559
78
743
SUB -10
SR -G
TaB
B
9763.05677
0.224
78
17.4820576
78
745
SUB -10
SR -G
TaB
B
454432.43
10.432
78
813.721982
78
789
SUB -10
SR -G
TaB
B
6604.2808
0.152
78
11.8258472
78
818
SUB -10
SR -G
TaB
B
17485.8932
0.401
78
31.310828
78
835
SUB -10
SR -G
TaB
B
166715.638
3.827
78
298.526625
78
837
SUB -10
SR -G
TaB
B
525028.586
12.053
78
940.133832
78
844
SUB -10
SR -G
TaB
B
392519.474
9.011
78
702.858562
78
846
SUB -10
SR -G
TaB
B
334474.577
7.678
78
598.921419
78
847
SUB -10
SR -G
TaB
B
38766.7055
0.890
78
69.4169657
78
859
SUB -10
SR -G
TaB
B
71814.3971
1.649
78
128.593273
78
935
SUB -10
SR -G
TaB
B
1299.93775
0.030
78
2.32771222
78
613
SUB -10
SR -G
TaC
B
30372.8834
0.697
78
54.3867059
78
614
SUB -10
SR -G
TaC
B
34889.4737
0.801
78
62.4742641
78
688
SUB -10
SR -G
TaC
B
46057.1971
1.057
78
82.471565
78
733
SUB -10
SR -G
TaC
B
53203.3992
1.221
78
95.2677947
78
742
SUB -10
SR -G
TaC
B
13700.3583
0.315
78
24.532322
78
735
SUB -10
SR -G
TaD
B
171962.781
3.948
78
307.922335
78
848
SUB -10
SR -G
TaD
B
381520.922
8.759
78
1 683.164186
78
861
SUB -10
SR7
TaD
B
14280.4122
0.328
78
25.5709861
78
868
SUB -10
SR -G
TaD
B
8742.94191
0.201
78
15.6554056
78
611
SUB -10
SR -G
Tb B2
B
141902.141
3.258
78
254.094743
78
737
SUB -10
SR -G
Tb B2
B
525949.477
12.074
78
941.78281
78
740
SUB -10
SR -G
Tb B2
B
504.423106
0.012
78
0.90323697
78
842
SUB -10
SR -G
Tb B2
B
537685.225
12.344
78
962.797236
78
852
SUB -10
SR -G
Tb B2
B
767226.711
17.613
78
1373.82193
78
885
SUB -10
SR -G
Tb B2
B
663359.034
15.229
78
1187.83298
78
915
SUB -10
SR7
Tb B2
B
8695.062
0.200
78
15.5696702
78
917
SUB -10
SR -G
Tb B2
B
6687.19802
0.154
78
11.9743215
78
738
SUB -10
SR -G
Tb D2
B
23277.4805
0.534
78
41.6814389
78
744
SUB -10
SR -G
Tb D2
B
74971.9377
1.721
78
134.247271
78
831
SUB -10
SR -G
Tb D2
B
273106.899
6.270
78
489.034391
78
843
SUB -10
SR -G
Tb D2
B
88447.4949
2030 .
78
158.377057
78
850
SUB -10
SR -G
I Tb D2
B
981464.626
22.531
78
1757.44354
78
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 3of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
882
SUB -10
SR -G
Tb D2
B
110584.235
2.539
78
198.015848
78
884
SUB -10
SR -G
Tb D2
B
70158.4714
1.611
78
125.628117
78
914
SUB -10
SR -G
Tb D2
B
47.8892668
0.001
78
0.08575213
78
916
SUB -10
SR -G
Tb D2
B
2055.7439
0.047
78
3.68108411
78
603
SUB -10
SR -G
VaB
C
169084.972
3.882
85
329.940831
85
628
SUB -10
SR -G
VaB
C
58058.5267
1.333
85
113.291432
85
633
SUB -10
SR -G
W
D
186.696069
0.004
89
0.38144973
89
663
SUB -10
WO -G
BaB
B
121923.705
2.799
55
153.944072
55
717
SUB -10
WO -G
BaB
B
15038.0366
0.345
55
18.98742
55
794
SUB -10
WO -G
BaB
B
406097.004
9.323
55
512.748742
55
801
SUB -10
WO -G
BaB
B
64278.8416
1.476
55
81.1601535
55
814
SUB -10
WO -G
BaB
B
28628.9983
0.657
55
36.1477251
55
819
SUB -10
WO -G
BaB
B
8742.95126
0.201
55
11.0390799
55
853
SUB -10
WO -G
BaB
B
43655.5228
1.002
55
55.1206097
55
856
SUB -10
WO -G
BaB
B
26286.4009
0.603
55
33.1899001
55
867
SUB -10
WO -G
BaB
B
12954.0672
0.297
55
16.3561454
55
926
SUB -10
WO -G
BaB
B
65779.6308
1.510
55
83.0550894
55
626
SUB -10
WO -G
BaC
B
48.5050034
0.001
55
0.06124369
55
662
SUB -10
WO -G
BaC
B
951901.953
21.853
55
1201.89641
55
677
SUB -10
WO -G
BaC
B
8742.95126
0.201
55
11.0390799
55
699
SUB -10
WO -G
BaC
B
62082.244
1.425
55
78.3866717
55
703
SUB -10
WO -G
BaC
B
185142.162
4.250
55
233.765356
55
715
SUB -10
WO -G
BaC
B
47763.1634
1.096
55
60.3070245
55
716
SUB -10
WO -G
BaC
B
202840.549
4.657
55
256.111804
55
763
SUB -10
WO -G
BaC
B
1012.56461
0.023
55
1.27849068
55
767
SUB -10
WO -G
BaC
B
50710.3058
1.164
55
64.0281638
55
624
SUB -10
WO -G
BaD
B
243135.488
5.582
55
306.989252
55
660
SUB -10
WO -G
BaD
B
230247.855
5.286
55
290.716988
55
784
SUB -10
WO -G
BaD
B
89251.6623
2.049
55
112.691493
55
799
SUB -10
WO -G
BaD
B
700131.667
16.073
55
884.00463
55
803
SUB -10
WO -G
BaD
B
743963.398
17.079
55
939.347724
55
816
SUB -10
WO -G
BaD
B
248220.595
5.698
55
313.409843
55
854
SUB -10
WO -G
BaD
B
186693.938
4.286
55
235.724669
55
866
SUB -10
WO -G
BaD
B
4531.84471
0.104
55
5.72202615
55
886
SUB -10
WO -G
BaD
B
1943.38029
0.045
55
2.45376299
55
889
SUB -10
WO -G
BaD
B
171808.814
3.944
55
216.93032
55
901
SUB -10
WO -G
BaD
B
8742.94191
0.201
55
11.0390681
55
907
SUB -10
WO -G
BaD
B
3668.45312
0.084
55
4.63188525
55
927
SUB -10
WO -G
BaD
B
460797.077
10.578
55
581.814491
55
938
SUB -10
WO -G
BaD
B
6054.88448
0.139
55
7.64505616
55
788
SUB -10
WO -G
BaF
B
82492.2946
1.894
55
104.156938
55
793
SUB -10
WO -G
BaF
B
395081.859
9.070
55
498.840731
55
811
SUB -10
WO -G
BaF
B
788284.677
18.097
55
995.308936
55
862
SUB -10
WO -G
BaF
B
99632.4777
2.287
55
125.798583
55
802
SUB -10
WO -G
ChA
C
870465.932
19.983
70
1398.82037
70
939
SUB -10
WO -G
ChA
C
2514.97422
0.058
70
4.04151045
70
616
SUB -10
W0-G
EnB
C
298455.821
6.852
70
479.612201
70
621
SUB -10
WO -G
EnB
C
261943.311
6.013
70
420.937369
70
623
SUB -10
WO -G
EnB
C
353114.98
8.106
70
567.448315
70
638
SUB -10
WO -G
EnB
C
220254.846
5.056
70
353.944886
70
639
SUB -10
WO -G
EnB
C
2942.47802
0.068
70
4.72850003
70
642
SUB -10
WO -G
EnB
C
8742.96061
0.201
70
14.0497531
70
643
SUB -10
WO -G
EnB
C
8742.95126
0.201
70
14.049738
70
657
SUB -10
WO -G
EnB
C
162751.675
3.736
70
261.538505
70
658
SUB -10
WO -G
EnB
C
23723.8079
0.545
70
38.1236582
70
659
SUB -10
WO -G
EnB
C
24009.6506
0.551
70
38.5830014
70
667
SUB -10
WO -G
EnB
C
48814.4733
1.121
70
78.4438276
70
668
SUB -10
WO -G
EnB
C
56448.156
1.296
70
90.7109945
70
674
SUB -10
WO -G
EnB
C
14712.6514
0.338
70
23.64292
70
695
SUB -10
WO -G
EnB
C
702575.346
16.129
70
1129.02374
70
696
SUB -10
WO -G
EnB
C
175.694147
0.004
70
0.28233678
70
702
SUB -10
WO -G
EnB
C
215387.947
4.945
70
346.123882
70
710
SUB -10
WO -G
EnB
C
498.119469
0.011
70
0.80046747
70
721
SUB -10
WO -G
EnB
C
5100.38764
0.117
70
8.19621521
70
792
SUB -10
WO -G
EnB
C
94189.0857
2.162
70
151.359871
70
796
SUB -10
WO -G
EnB
C
2261.46804
0.052
70
3.63413138
70
798
SUB -10
WO -G
EnB
C
18538.1654
0.426
70
29.7904403
70
810
SUB -10
WO -G
EnB
C
32.5605853
0.001
70
0.05232417
70
877
SUB -10
WO -G
EnB
C
173.677016
0.004
70
0.2790953
70
618
SUB -10
WO -G
EnC
C
109097.22
2.505
70
175.316928
70
620
SUB -10
WO -G
EnC
C
488337.294
11.211
70
784.747718
70
627
SUB -10
WO -G
EnC
C
33558.9623
0.770
70
53.9285436
70
637
SUB -10
WO -G
EnC
C
222669.341
5.112
70
357.824929
70
656
SUB -10
WO -G
EnC
C
5623.94876
0.129
70
9.03756689
70
661
SUB -10
WO -G
EnC
C
278032.12
6.383
70
446.791745
70
669
SUB -10
WO -G
EnC
C
375599.69
8.623
70
603.580769
70
698
SUB -10
WO -G
EnC
C
391577.339
8.989
70
629.256513
70
700
SUB -10
WO -G
EnC
C
318446.973
7.311
70
511.73756
70
709
SUB -10
WO -G
EnC
C
32061.0709
0.736
70
51.5214637
70
714
SUB -10
WO -G
EnC
C
13437.5048
0.308
70
21.5937864
70
797
SUB -10
WO -G
GeB2
B
79301.2565
1.821
55
100.127849
55
888
SUB -10
WO -G
GeB2
B
12118.1327
0.278
55
15.3006726
55
906
SUB -10
WO -G
GeB2
B
13817.4588
0.317
55
17.4462863
55
913
SUB -10
WO -G
GeB2
B
8742.95126
0.201
55
11.0390799
55
920
SUB -10
WO -G
GeB2
B
8742.95126
0.201
55
11.0390799
55
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSVWALY51S3 dfRCN -EX.x6 4of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
921
SUB -10
WO -G
GeB2
B
8742.95126
0.201
55
11.0390799
55
922
SUB -10
WO -G
GeB2
B
8742.95126
0.201
55
11.0390799
55
924
SUB -10
WO -G
GeB2
B
8742.95126
0.201
55
11.0390799
55
757
SUB -10
WO -G
KkB
C
68870.9069
1.581
70
110.674093
70
787
SUB -10
WO -G
KkB
C
240479.99
5.521
70
386.446265
70
809
SUB -10
WO -G
KkB
C
1491193.92
34.233
70
2396.31713
70
825
SUB -10
WO -G
KkB
C
52333.0929
1.201
70
84.0981749
70
855
SUB -10
WO -G
KkB
C
31881.5489
0.732
70
51.2329757
70
887
SUB -10
WO -G
KkB
C
6799.58033
0.156
70
10.926782
70
890
SUB -10
WO -G
KkB
C
5.6083755
0.000
70
0.00901254
70
894
SUB -10
WO -G
KkB
C
8742.94191
0.201
70
14.049723
70
617
SUB -10
WO -G
McB2
C
110528.713
2.537
70
177.617307
70
622
SUB -10
WO -G
McB2
C
4339.04666
0.100
70
6.97275633
70
705
SUB -10
WO -G
PaD
B
83835.7355
1.925
55
105.853201
55
727
SUB -10
WO -G
PaD
B
3745.94523
0.086
55
4.72972883
55
761
SUB -10
WO -G
PaD
B
1026.88058
0.024
55
1.29656639
55
764
SUB -10
WO -G
PaD
B
12283.0783
0.282
55
15.5089373
55
769
SUB -10
WO -G
PaD
B
15812.7202
0.363
55
19.9655558
55
765
SUB -10
WO -G
PcE3
B
54925.3397
1.261
55
69.3501765
55
772
SUB -10
WO -G
PcE3
B
72955.2783
1.675
55
92.1152504
55
776
SUB -10
WO -G
PcE3
B
140513.002
3.226
55
177.415406
55
806
SUB -10
WO -G
PcE3
B
2970.02206
0.068
55
3.75002785
55
822
SUB -10
WO -G
PcE3
B
77018.6093
1.768
55
97.2457188
55
704
SUB -10
WO -G
TaB
B
5045.5745
0.116
55
6.37067487
55
739
SUB -10
WO -G
TaB
B
25780.5643
0.592
55
32.5512175
55
751
SUB -10
WO -G
TaB
B
58880.5736
1.352
55
74.3441586
55
754
SUB -10
WO -G
TaB
B
17108.8017
0.393
55
21.6020224
55
756
SUB -10
WO -G
TaB
B
1364.67903
0.031
55
1.72307959
55
768
SUB -10
WO -G
TaB
B
4344.06017
0.100
55
5.48492445
55
800
SUB -10
WO -G
TaB
B
140460.582
3.225
55
177.34922
55
808
SUB -10
WO -G
TaB
B
504666.994
11.586
55
637.2058
55
812
SUB -10
WO -G
TaB
B
306618.947
7.039
55
387.145135
55
857
SUB -10
WO -G
TaB
B
99644.4536
2.288
55
125.813704
55
863
SUB -10
WO -G
TaB
B
179874.239
4.129
55
227.113938
55
872
SUB -10
WO -G
TaB
B
6557.59848
0.151
55
8.27979606
55
874
SUB -10
WO -G
TaB
B
3943.20961
0.091
55
4.97880002
55
876
SUB -10
WO -G
TaB
B
31421.7104
0.721
55
39.6738768
55
891
SUB -10
WO -G
TaB
B
10153.2176
0.233
55
12.8197191
55
897
SUB -10
WO -G
TaB
B
5304.14491
0.122
55
6.69715267
55
664
SUB -10
WO -G
TaC
B
11636.5192
0.267
55
14.6925747
55
701
SUB -10
WO -G
TaC
B
447914.581
10.283
55
565.548714
55
706
SUB -10
WO -G
TaC
B
23616.0433
0.542
55
29.8182365
55
718
SUB -10
WO -G
TaC
B
695.196428
0.016
55
0.87777327
55
720
SUB -10
WO -G
TaC
B
19176.6459
0.440
55
24.2129368
55
723
SUB -10
WO -G
TaC
B
5781.64422
0.133
55
7.30005583
55
725
SUB -10
WO -G
TaC
B
8742.96061
0.201
55
11.0390917
55
749
SUB -10
WO -G
TaC
B
8064.49191
0.185
55
10.1824393
55
783
SUB -10
WO -G
TaD
B
46232.6772
1.061
55
58.3745924
55
813
SUB -10
WO -G
TaD
B
861337.675
19.774
55
1087.54757
55
826
SUB -10
WO -G
TaD
B
501.974361
0.012
55
0.63380601
55
858
SUB -10
WO -G
TaD
B
44390.5738
1.019
55
56.0487043
55
864
SUB -10
WO -G
TaD
B
35239.5192
0.809
55
44.4943424
55
865
SUB -10
WO -G
TaD
B
8742.94191
0.201
55
11.0390681
55
873
SUB -10
WO -G
TaD
B
2185.36213
0.050
55
2.75929562
55
875
SUB -10
WO -G
TaD
B
4799.74165
0.110
55
6.06027986
55
878
SUB -10
WO -G
TaD
B
15878.0673
0.365
55
20.0480647
55
879
SUB -10
WO -G
TaD
B
8742.95126
0.201
55
11.0390799
55
880
SUB -10
WO -G
TaD
B
8742.94191
0.201
55
11.0390681
55
697
SUB -10
WO -G
Tb B2
B
715440.082
16.424
55
903.333437
55
708
SUB -10
WO -G
Tb B2
B
89842.1461
2.062
55
113.437053
55
719
SUB -10
WO -G
Tb B2
B
10694.7715
0.246
55
13.5034993
55
722
SUB -10
WO -G
Tb B2
B
31160.1848
0.715
55
39.3436676
55
724
SUB -10
WO -G
Tb B2
B
8742.95126
0.201
55
11.0390799
55
726
SUB -10
WO -G
Tb B2
B
7319.34264
0.168
55
9.24159425
55
748
SUB -10
WO -G
Tb B2
B
45043.6038
1.034
55
56.8732372
55
750
SUB -10
WO -G
Tb B2
B
32651.1188
0.750
55
41.2261602
55
752
SUB -10
WO -G
Tb B2
B
18297.3248
0.420
55
23.1026828
55
753
SUB -10
WO -G
Tb B2
B
188800.801
4.334
55
238.38485
55
758
SUB -10
WO -G
Tb B2
B
11287.3572
0.259
55
14.2517136
55
759
SUB -10
WO -G
Tb B2
B
7622.15394
0.175
55
9.62393174
55
760
SUB -10
WO -G
Tb B2
B
4003.67309
0.092
55
5.05514279
55
762
SUB -10
WO -G
Tb B2
B
1193.10581
0.027
55
1.50644673
55
766
SUB -10
WO -G
Tb B2
B
92956.0497
2.134
55
117.36875
55
770
SUB -10
WO -G
Tb B2
B
1357.40327
0.031
55
1.71389302
55
773
SUB -10
WO -G
Tb B2
B
1217.62856
0.028
55
1.53740979
55
774
SUB -10
WO -G
Tb B2
B
16268.2646
0.373
55
20.5407382
55
777
SUB -10
WO -G
Tb B2
B
239062.736
5.488
55
301.846889
55
779
SUB -10
WO -G
Tb B2
B
43714.747
1.004
55
55.1953876
55
785
SUB -10
WO -G
Tb B2
B
109318.287
2.510
55
138.02814
55
790
SUB -10
WO -G
Tb B2
B
25236.1416
0.579
55
31.8638151
55
804
SUB -10
WO -G
Tb B2
B
86758.043
1.992
55
109.542984
55
817
SUB -10
WO -G
Tb B2
B
911447.8
20.924
55
1150.81793
55
820
SUB -10
WO -G
Tb B2
B
21592.8475
0.496
55
27.2636963
55
823
SUB -10
WO -G
Tb B2
B
41373.6066
0.950
55
52.2394023
55
871
SUB -10
WO -G
Tb B2
B
349940.686
8.034
55
441.8443
55
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 5of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 6of15
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
Weighted
893
SUB -10
WO -G
Tb B2
B
367.070846
0.008
55
0.46347329
55
903
SUB -10
WO -G
Tb B2
B
31767.5284
0.729
55
40.1105156
55
928
SUB -10
WO -G
Tb B2
B
351740.965
8.075
55
444.11738
55
755
SUB -10
WO -G
Tb D2
B
193192.705
4.435
55
243.930184
55
771
SUB -10
WO -G
Tb D2
B
95625.2477
2.195
55
120.738949
55
775
SUB -10
WO -G
Tb D2
B
21556.0298
0.495
55
27.2172093
55
778
SUB -10
WO -G
Tb D2
B
1043.98151
0.024
55
1.31815847
55
786
SUB -10
WO -G
Tb D2
B
9259.89125
0.213
55
11.6917819
55
791
SUB -10
WO -G
Tb D2
B
18478.6241
0.424
55
23.3315961
55
795
SUB -10
WO -G
Tb D2
B
798019.601
18.320
55
1007.60051
55
805
SUB -10
WO -G
Tb D2
B
161848.167
3.716
55
204.353747
55
807
SUB -10
WO -G
Tb D2
B
64503.9642
1.481
55
81.4443993
55
815
SUB -10
WO -G
Tb D2
B
960966.544
22.061
55
1213.3416
55
821
SUB -10
WO -G
Tb D2
B
74518.2486
1.711
55
94.0886978
55
824
SUB -10
WO -G
Tb D2
B
196038.056
4.500
55
247.522799
55
869
SUB -10
WO -G
Tb D2
B
12786.6751
0.294
55
16.1447918
55
870
SUB -10
WO -G
Tb D2
B
432881.223
9.938
55
546.567201
55
892
SUB -10
WO -G
Tb D2
B
8375.88042
0.192
55
10.5756066
55
898
SUB -10
WO -G
Tb D2
B
8742.95126
0.201
55
11.0390799
55
902
SUB -10
WO -G
Tb D2
B
3204.28602
0.074
55
4.04581568
55
615
SUB -10
WO -G
VaB
C
3296.26288
0.076
70
5.29702483
70
619
SUB -10
WO -G
VaB
C
96300.8221
2.211
70
154.753387
70
625
SUB -10
WO -G
W
D
33759.6152
0.775
77
59.6760874
77
SUB -10 Total
1094.511
1.710
75336.3224
69
1058
SUB -10A
SR -G
BaB
B
253237.713
5.814
78
453.45596
78
1057
SUB -10A
SR -G
BaD
B
216223.019
4.964
78
387.176205
78
1059
SUB -10A
SR -G
BaF
B
311450.776
7.150
78
557.694228
78
1063
SUB -10A
SR -G
ChA
C
507886.511
11.659
85
991.054947
85
1062
SUB -10A
SR -G
TaB
B
568662.907
13.055
78
1018.26691
78
1061
SUB -10A
SR -G
TaD
B
203983.32
4.683
78
365.259389
78
1060
SUB -10A
SR -G
Tb B2
B
406340.808
9.328
78
727.607507
78
1065
SUB -10A
SR -G
Tb B2
B
1106431.16
25.400
78
1981.21283
78
1064
SUB -10A
SR -G
Tb D2
B
1204616.47
27.654
78
2157.02674
78
1066
SUB -10A
WO -G
BaD
B
13595.4158
0.312
55
17.165929
55
1068
SUB -10A
WO -G
BaD
B
346017.31
7.943
55
436.890543
55
1072
SUB -10A
WO -G
BaD
B
722.183064
0.017
55
0.9118473
55
1073
SUB -10A
WO -G
BaF
B
30807.0271
0.707
55
38.8977615
55
1055
SUB -10A
WO -G
ChA
C
1246.24475
0.029
70
2.00268899
70
1069
SUB -10A
WO -G
ChA
C
28502.9494
0.654
70
45.8036378
70
1076
SUB -10A
WO -G
ChA
C
66881.4454
1.535
70
107.47707
70
1078
SUB -10A
WO -G
ChA
C
173.083213
0.004
70
0.27814107
70
1075
SUB -10A
WO -G
TaB
B
168581.166
3.870
55
212.855008
55
1074
SUB -10A
WO -G
TaD
B
182563.019
4.191
55
230.508863
55
1056
SUB -10A
WO -G
Tb B2
B
1739.28255
0.040
55
2.19606382
55
1067
SUB -10A
WO -G
Tb B2
B
26096.8038
0.599
55
32.9505099
55
1071
SUB -10A
WO -G
Tb B2
B
88073.2785
2.022
55
111.203635
55
1070
SUB -10A
WO -G
Tb D2
B
782.878639
0.018
55
0.98848313
55
1077
SUB -10A
WO -G
Tb D2
B
52.9553931
0.001
55
0.06686287
55
SUB -10A Total
131.650
0.206
9878.95176
75
941
SUB -11
SR -G
BaB
B
305610.132
7.016
78
547.235773
78
943
SUB -11
SR -G
BaD
B
108069.447
2.481
78
193.512784
78
942
SUB -11
SR -G
BaF
B
15672.3452
0.360
78
28.0634281
78
946
SUB -11
SR -G
ChA
C
220635.928
5.065
85
430.533836
85
944
SUB -11
SR -G
TaB
B
44987.726
1.033
78
80.5565342
78
945
SUB -11
SR -G
TaB
B
194211.141
4.458
78
347.760996
78
949
SUB -11
WO -G
BaB
B
103621.801
2.379
55
130.835607
55
952
SUB -11
WO -G
BaB
B
8394.18813
0.193
55
10.5987224
55
948
SUB -11
WO -G
BaD
B
1477.80579
0.034
55
1.86591641
55
951
SUB -11
WO -G
BaD
B
100158.187
2.299
55
126.462357
55
954
SUB -11
WO -G
BaD
B
107959.284
2.478
55
136.312228
55
947
SUB -11
WO -G
BaF
B
5940.00563
0.136
55
7.50000711
55
950
SUB -11
WO -G
BaF
B
20638.962
0.474
55
26.0592955
55
953
SUB -11
WO -G
BaF
B
17054.7232
0.392
55
21.5337414
55
955
SUB -11
WO -G
TaB
B
23964.9179
0.550
55
30.2587347
55
SUB -11 Total
29.348
0.046
119.08996
72
1054
SUB -11A
SR -G
ChA
C
110976.073
2.548
85
216.551107
85
1053
SUB -11A
SR -G
TaB
B
252239.809
5.791
78
451.669079
78
SUB -11A Total
8.338
0.013
668.220186
80
141
SUB -2
FA
BaC
B
17766.9552
0.408
74
30.1826144
74
157
SUB -2
FA
BaC
B
17917.5907
0.411
74
30.438515
74
139
SUB -2
FA
CmB
C
35831.6496
0.823
82
67.4516821
82
121
SUB -2
FA
TaC
B
25890.1724
0.594
74
43.9823866
74
120
SUB -2
FA
Tb B2
B
101151.257
2.322
74
171.836387
74
140
SUB -2
FA
Tb B2
B
158556.28
3.640
74
269.356398
74
149
SUB -2
FA
Tb B2
B
24.7981233
0.001
74
0.04212721
74
158
SUB -2
FA
Tb B2
B
112845.045
2.591
74
191.701867
74
160
SUB -2
FA
Tb B2
B
1460.83525
0.034
74
2.48167604
74
159
SUB -2
FA
Ud
C
6771.45296
0.155
82
12.7469959
82
113
SUB -2
SR -G
BaC
B
159626.962
3.665
78
285.833403
78
154
SUB -2
SR -G
BaC
B
11147.8466
0.256
78
19.9617088
78
161
SUB -2
SR -G
BaC
B
22030.2827
0.506
78
39.4481646
78
164
SUB -2
SR-BaC
B
69881.154
1- .604
78
125.131543
78
110
SUB -2
SR -G
CmB
C
615344.371
14.126
85
1200.74085
85
116
SUB -2
SR -G
CmB
C
3387.22578
0.078
85
6.60960034
85
117
SUB -2
SR -G
Ld B2
B
184280.474
4.230
78
329.978809
78
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 6of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
114
SUB -2
SR -G
TaC
B
191814.039
4.403
78
343.468666
78
111
SUB -2
SR -G
Tb B2
B
416714.36
9.566
78
746.182739
78
112
SUB -2
SR -G
Tb B2
B
707317.586
16.238
78
1266.54664
78
118
SUB -2
SR -G
Tb B2
B
400756.018
9.200
78
717.607195
78
155
SUB -2
SR -G
Tb B2
B
174457.9
4.005
78
312.390179
78
162
SUB -2
SR -G
Tb B2
B
401160.098
9.209
78
718.330754
78
167
SUB -2
SR -G
Tb B2
B
415.915412
0.010
78
0.74475211
78
168
SUB -2
SR -G
Tb B2
B
6224.98464
0.143
78
11.1466667
78
119
SUB -2
SR -G
Ud
C
8005.1771
0.184
85
15.6207542
85
156
SUB -2
SR -G
Ud
C
50453.9565
1.158
85
98.4523944
85
163
SUB -2
SR -G
Ud
C
5762.56281
0.132
85
11.2446703
85
115
SUB -2
SR -G
UwB2
B
72979.8171
1.675
78
130.680113
78
126
SUB -2
WO -G
BaC
B
3046116.79
69.929
55
3846.10706
55
137
SUB -2
WO -G
BaC
B
19024.128
0.437
55
24.0203636
55
138
SUB -2
WO -G
BaC
B
282327.604
6.481
55
356.474247
55
142
SUB -2
WO -G
BaC
B
110426.771
2.535
55
139.427742
55
146
SUB -2
WO -G
BaC
B
196461.526
4.510
55
248.057482
55
153
SUB -2
WO -G
BaC
B
7070.7247
0.162
55
8.9276827
55
136
SUB -2
WO -G
BaD
B
309692.072
7.110
55
391.025343
55
148
SUB -2
WO -G
BaD
B
10904.4593
0.250
55
13.7682567
55
122
SUB -2
WO -G
CmB
C
238167.233
5.468
70
382.729714
70
129
SUB -2
WO -G
CmB
C
242053.981
5.557
70
388.975635
70
150
SUB -2
WO -G
CmB
C
38812.2709
0.891
70
62.3704996
70
130
SUB -2
WO -G
Ld B2
B
6029.46143
0.138
55
7.61295634
55
143
SUB -2
WO -G
Ld B2
B
20717.507
0.476
55
26.1584684
55
147
SUB -2
WO -G
Ld B2
B
8676.10842
0.199
55
10.9546824
55
124
SUB -2
WO -G
OkA
C
15204.9027
0.349
70
24.4339575
70
145
SUB -2
WO -G
OkA
C
66447.7534
1.525
70
106.780136
70
132
SUB -2
WO -G
TaB
B
520025.649
11.938
55
656.598041
55
135
SUB -2
WO -G
TaB
B
358881.71
8.239
55
453.133472
55
127
SUB -2
W0-G
TaC
B
20301.1026
0.466
55
25.6327053
55
109
SUB -2
WO -G
Tb B2
B
22094.7216
0.507
55
27.8973757
55
123
SUB -2
WO -G
Tb B2
B
142553.872
3.273
55
179.992263
55
125
SUB -2
WO -G
Tb B2
B
26387.3857
0.606
55
33.3174062
55
131
SUB -2
WO -G
Tb B2
B
312196.715
7.167
55
394.187772
55
133
SUB -2
WO -G
Tb B2
B
794597.469
18.241
55
1003.27963
55
144
SUB -2
WO -G
Tb B2
B
107252.246
2.462
55
135.419502
55
151
SUB -2
WO -G
Tb B2
B
118560.871
2.722
55
149.698069
55
152
SUB -2
WO -G
Tb B2
B
1672.21721
0.038
55
2.11138537
55
165
SUB -2
WO -G
Tb B2
B
73270.0195
1.682
55
92.5126509
55
134
SUB -2
WO -G
Ud
C
481625.49
11.057
70
773.96199
70
166
SUB -2
WO -G
Ud
C
1291.4144
0.030
70
2.07527567
70
128
SUB -2
WO -G
UwB2
B
1768.04683
0.041
55
2.23238236
55
SUB -2 Total
w
111111854
0.415
171
424
SUB -3
SR -G
BaC
B
44008.1682
1.010
78
78.802505
78
422
SUB -3
SR -G
Tb B2
B
3370.38369
0.077
78
6.03512231
78
423
SUB -3
SR -G
Tb B2
B
121692
2.794
78
217.905785
78
425
SUB -3
SR -G
Tb B2
B
2517.97598
0.058
78
4.50877241
78
426
SUB -3
SR -G
Tb B2
B
8742.94191
0.201
78
15.6554056
78
417
SUB -3
WO -G
BaB
B
113569.345
2.607
55
143.395638
55
412
SUB -3
WO -G
BaC
B
1287348.95
29.553
55
1625.4406
55
416
SUB -3
WO -G
BaC
B
69627.5205
1.598
55
87.913536
55
420
SUB -3
WO -G
BaC
B
22666.7546
0.520
55
28.6196396
55
411
SUB -3
WO -G
BaD
B
68879.865
1.581
55
86.9695265
55
413
SUB -3
WO -G
BaD
B
913891.079
20.980
55
1153.90288
55
419
SUB -3
WO -G
BaD
B
290.156076
0.007
55
0.36635868
55
421
SUB -3
WO -G
BaD
B
82248.6512
1.888
55
103.849307
55
409
SUB -3
WO -G
OkA
C
224006.899
5.142
70
359.974355
70
418
SUB -3
WO -G
OkA
C
952.887042
0.022
70
1.53126935
70
415
SUB -3
WO -G
TaB
B
55388.8368
1.272
55
69.9354
55
410
SUB -3
WO -G
Tb B2
B
544213.3
12.493
55
687.138005
55
414
SUB -3
WO -G
Ud
C
277724.441
6.376
70
446.297311
70
SUB -3 ToM
88.180
0.138
5118.24141
58
965
SUB -3A
SR -G
CeB2
B
83186.2451
1.910
78
148.956086
78
971
SUB -3A
SR -G
CmB
C
127789.08
2.934
85
249.358856
85
964
SUB -3A
SR -G
OkA
C
79292.6245
1.820
85
154.726196
85
970
SUB -3A
SR -G
TaB
B
38703.2543
0.889
78
69.3033479
78
966
SUB -3A
SR -G
TaC
B
631326.746
14.493
78
1130.47489
78
993
SUB -3A
SR -G
TaC
B
786.347221
0.018
78
1.40805976
78
968
SUB -3A
SR -G
Tb B2
B
143764.464
3.300
78
257.429481
78
969
SUB -3A
SR -G
Tb B2
B
393362.741
9.030
78
704.368544
78
994
SUB -3A
SR -G
Tb B2
B
51575.1939
1.184
78
92.3522755
78
995
SUB -3A
SR -G
Tb B2
B
30765.0814
0.706
78
55.0889888
78
967
SUB -3A
SR -G
VaC
C
43397.2613
0.996
85
84.6824428
85
963
SUB -3A
SR -G
VnB2
C
382454.744
8.780
85
746.295989
85
962
SUB -3A
WO -G
CmB
C
130079.834
2.986
70
209.035546
70
972
SUB -3A
WO -G
OkA
C
342854.278
7.871
70
550.959584
70
982
SUB -3A
WO -G
OkA
C
9401.21278
0.216
70
15.1075504
70
961
SUB -3A
WO -G
TaB
B
273694.249
6.283
55
345.573547
55
985
SUB -3A
WO -G
TaB
B
7851.99188
0.180
55
9.91413116
55
991
SUB -3A
WO -G
TaB
B
342.46761
0.008
55
0.4324086
55
957
SUB -3A
WO -G
TaC
B
490465.311
11.260
55
619.274383
55
973
SUB -3A
% -G
TaC
B
307338.405
7.056
55
388.053541
55
976
SUB -3A
WO -G
TaC
B
11784.7567
0.271
55
14.8797433
55
979
SUB -3A
WO -G
I TaC
B
8742.94191
0.201
55
11.0390681
55
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSVWALY51S3 dfRCN -EX.x6 7 o 15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 8of15
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
Weighted
980
SUB -3A
WO -G
I TaC
B
40853.7862
0.938
55
51.5830634
55
984
SUB -3A
WO -G
TaC
B
890.968733
0.020
55
1.12496052
55
986
SUB -3A
WO -G
TaC
B
7775.63448
0.179
55
9.8177203
55
988
SUB -3A
WO -G
TaC
B
8664.24962
0.199
55
10.9397091
55
990
SUB -3A
WO -G
TaC
B
17143.4443
0.394
55
21.645763
55
992
SUB -3A
WO -G
TaC
B
26228.8444
0.602
55
33.1172278
55
959
SUB -3A
WO -G
Tb B2
B
39676.3814
0.911
55
50.0964411
55
960
SUB -3A
WO -G
Tb B2
B
79667.6054
1.829
55
100.590411
55
974
SUB -3A
WO -G
Tb B2
B
1776.14386
0.041
55
2.24260589
55
975
SUB -3A
WO -G
Tb B2
B
275451.533
6.323
55
347.79234
55
977
SUB -3A
WO -G
Tb B2
B
73262.3964
1.682
55
92.5030257
55
978
SUB -3A
WO -G
Tb B2
B
7510.34018
0.172
55
9.48275275
55
981
SUB -3A
WO -G
Tb B2
B
29089.8146
0.668
55
36.7295638
55
983
SUB -3A
WO -G
Tb B2
B
1803.20164
0.041
55
2.27676975
55
987
SUB -3A
WO -G
Tb B2
B
18453.2287
0.424
55
23.2995311
55
989
SUB -3A
WO -G
Tb B2
B
78.6922973
0.002
55
0.09935896
55
958
SUB -3A
WO -G
VaC
C
383155.901
8.796
70
615.723441
70
956
SUB -3A
WO -G
VnB2
C
238254.983
5.470
70
382.870726
70
111.081
0.174
650.65007
223
SUB -4
R2
PxB
B
11375.4127
0.261
65
16.9743303
65
224
SUB -4
R2
PxB
B
43714.7657
1.004
65
65.2309405
65
222
SUB -4
R2
TaC
B
54897.1906
1.260
65
81.9172954
65
221
SUB -4
R2
Tb B2
B
47385.7725
1.088
65
70.7087974
65
193
SUB -4
SR -G
BaC
B
274438.236
6.300
78
491.418329
78
237
SUB -4
SR -G
BaC
B
7374.69933
0.169
78
13.2053845
78
244
SUB -4
SR -G
BaC
B
17485.8932
0.401
78
31.310828
78
251
SUB -4
SR -G
BaC
B
199296.846
4.575
78
356.867631
78
172
SUB -4
SR -G
CeB2
B
449934.038
10.329
78
805.667011
78
178
SUB -4
SR -G
CeB2
B
603873.547
13.863
78
1081.31627
78
194
SUB -4
SR -G
CmB
C
75.4566111
0.002
85
0.14724086
85
173
SUB -4
SR -G
EnB
C
173212.333
3.976
85
337.994682
85
183
SUB -4
SR -G
EnB
C
273740.549
6.284
85
534.158555
85
189
SUB -4
SR -G
EnB
C
97107.066
2.229
85
189.488076
85
234
SUB -4
SR -G
EnB
C
611.474076
0.014
85
1.19318862
85
181
SUB -4
SR -G
EnC
C
258166.212
5.927
85
503.767861
85
187
SUB -4
SR -G
HeB
C
75640.505
1.736
85
147.5997
85
177
SUB -4
SR -G
McB2
C
275019.442
6.314
85
536.654099
85
176
SUB -4
SR -G
OkA
C
94065.7879
2.159
85
183.553535
85
255
SUB -4
SR -G
OkA
C
1899.49831
0.044
85
3.70655087
85
261
SUB -4
SR -G
OkA
C
8742.94191
0.201
85
17.0603779
85
190
SUB -4
SR -G
PxB
B
360931.451
8.286
78
646.295987
78
174
SUB -4
SR -G
SeB
C
449908.513
10.328
85
877.920652
85
195
SUB -4
SR -G
SeB
C
72468.0705
1.664
85
141.409228
85
252
SUB -4
SR -G
TaB
B
269713.547
6.192
78
482.958142
78
179
SUB -4
SR -G
TaC
B
162838.789
3.738
78
291.584609
78
188
SUB -4
SR -G
TaC
B
483624.871
11.102
78
865.994949
78
219
SUB -4
SR -G
TaC
B
1880.87675
0.043
78
3.36796111
78
240
SUB -4
SR -G
TaC
B
7445.33029
0.171
78
13.3318586
78
242
SUB -4
SR -G
TaC
B
2440.00395
0.056
78
4.36915307
78
247
SUB -4
SR -G
TaC
B
3725.95663
0.086
78
6.67182317
78
253
SUB -4
SR -G
TaC
B
5008.87918
0.115
78
8.96906741
78
256
SUB -4
SR -G
TaC
B
29072.54
0.667
78
52.0582672
78
258
SUB -4
SR -G
TaC
B
6259.79452
0.144
78
11.2089985
78
186
SUB -4
SR -G
Tb B2
B
483190.642
11.093
78
865.217404
78
191
SUB -4
SR -G
Tb B2
B
240129.352
5.513
78
429.983688
78
218
SUB -4
SR -G
Tb B2
B
8742.95126
0.201
78
15.6554224
78
220
SUB -4
SR -G
Tb B2
B
226331.004
5.196
78
405.275903
78
231
SUB -4
SR -G
Tb B2
B
8742.95126
0.201
78
15.6554224
78
232
SUB -4
SR -G
Tb B2
B
1301.2291
0.030
78
2.33002455
78
233
SUB -4
SR -G
Tb B2
B
195960.262
4.499
78
350.89303
78
235
SUB -4
SR -G
Tb B2
B
30556.9976
0.701
78
54.7163869
78
236
SUB -4
SR -G
Tb B2
B
1368.24259
0.031
78
2.45002116
78
238
SUB -4
SR -G
Tb B2
B
96.1758388
0.002
78
0.17221569
78
239
SUB -4
SR -G
Tb B2
B
96172.4639
2.208
78
172.209646
78
241
SUB -4
SR -G
Tb B2
B
1297.62097
0.030
78
2.32356373
78
243
SUB -4
SR -G
Tb B2
B
6302.94732
0.145
78
11.2862693
78
248
SUB -4
SR -G
Tb B2
B
5017.00398
0.115
78
8.98361594
78
249
SUB -4
SR -G
Tb B2
B
17485.9119
0.401
78
31.3108615
78
250
SUB -4
SR -G
Tb B2
B
82629.4652
1.897
78
147.959098
78
254
SUB -4
SR -G
Tb B2
B
3734.06273
0.086
78
6.68633822
78
257
SUB -4
SR -G
Tb B2
B
113121.906
2.597
78
202.559886
78
259
SUB -4
SR -G
Tb B2
B
2483.15674
0.057
78
4.44642392
78
182
SUB -4
SR -G
VaB
C
315874.848
7.251
85
616.37654
85
175
SUB -4
SR -G
VnB2
C
842508.194
19.341
85
1644.01277
85
196
SUB -4
SR -G
VnB2
C
80294.9235
1.843
85
156.682013
85
184
SUB -4
SR -G
VnC2
C
238434.816
5.474
85
465.265366
85
180
SUB -4
SR -G
W
D
46338.5803
1.064
89
94.677081
89
185
SUB -4
SR -G
W
D
87419.4791
2.007
89
178.611883
89
192
SUB -4
SR -G
WtB
C
187166.884
4.297
85
365.224635
85
211
SUB -4
WO -G
BaC
B
314292.284
7.215
55
396.833692
55
230
SUB -4
W0-G
BaC
B
143392.919
3.292
55
181.051665
55
262
SUB -4
WO -G
BaC
B
5669.16027
0.130
55
7.15803064
55
198
SUB -4
WO -G
CeB2
B
15627.8227
0.359
55
19.7320993
55
204
SUB -4
WO -G
EnB
C
62541.9669
1.436
70
100.50362
70
209
SUB -4
WO -G
EnB
C
205708.714
4.722
70
330.569558
70
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 8of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
215
SUB -4
WO -G
EnB
C
78733.5143
1.807
70
126.523095
70
202
SUB -4
WO -G
EnC
C
338681.262
7.775
70
544.253634
70
214
SUB -4
WO -G
EnC
C
174812.072
4.013
70
280.919308
70
207
SUB -4
WO -G
HeB
C
86504.4121
1.986
70
139.010763
70
200
SUB -4
WO -G
McB2
C
42411.1415
0.974
70
68.1538086
70
199
SUB -4
WO -G
OkA
C
411066.047
9.437
70
660.574455
70
170
SUB -4
WO -G
PxB
B
36966.258
0.849
55
46.6745682
55
217
SUB -4
WO -G
PxB
B
17277.1517
0.397
55
21.8145855
55
228
SUB -4
WO -G
PxB
B
5.53776102
0.000
55
0.00699212
55
212
SUB -4
WO -G
TaB
B
67004.9791
1.538
55
84.6022464
55
263
SUB -4
WO -G
TaB
B
11816.7329
0.271
55
14.9201173
55
201
SUB -4
WO -G
TaC
B
226466.269
5.199
55
285.942259
55
208
SUB -4
WO -G
TaC
B
486873.981
11.177
55
614.739875
55
213
SUB -4
WO -G
TaC
B
4940.82286
0.113
55
6.2384127
55
225
SUB -4
WO -G
TaC
B
135512.312
3.111
55
171.101404
55
227
SUB -4
WO -G
TaC
B
144410.262
3.315
55
182.336189
55
245
SUB -4
WO -G
TaC
B
8727.78028
0.200
55
11.0199246
55
169
SUB -4
WO -G
Tb B2
B
52923.204
1.215
55
66.8222272
55
206
SUB -4
WO -G
Tb B2
B
228778.83
5.252
55
288.862159
55
210
SUB -4
WO -G
Tb B2
B
572660.119
13.146
55
723.055706
55
216
SUB -4
WO -G
Tb B2
B
132585.631
3.044
55
167.4061
55
226
SUB -4
WO -G
Tb B2
B
49715.4601
1.141
55
62.7720456
55
229
SUB -4
WO -G
Tb B2
B
44423.4204
1.020
55
56.0901772
55
246
SUB -4
WO -G
Tb B2
B
15.1709826
0.000
55
0.01915528
55
260
SUB -4
WO -G
Tb B2
B
8742.94191
0.201
55
11.0390681
55
197
SUB -4
WO -G
VaB
C
10865.3457
0.249
70
17.4603811
70
203
SUB -4
WO -G
VaB
C
31893.5175
0.732
70
51.2522091
70
205
SUB -4
WO -G
W
D
2830.60664
0.065
77
5.00359759
77
171
SUB -4
WO -G
WIB
C
10930.8072
0.251
70
17.5655763
70
SUB -4 To
282.642
0.442
20889.0757'
74
286
SUB -5
BR -F
BaB
B
57215.6013
1.313
56
73.5554103
56
285
SUB -5
BR -F
BaC
B
7866.75679
0.181
56
10.1133696
56
287
SUB -5
BR -F
BaC
B
38558.9577
0.885
56
49.5707445
56
284
SUB -5
BR -F
BaD
B
876.20382
0.020
56
1.12643283
56
281
SUB -5
SR -G
BaB
B
184687.103
4.240
78
330.706933
78
283
SUB -5
SR -G
BaB
B
10274.1048
0.236
78
18.3971573
78
288
SUB -5
SR -G
BaB
B
173932.069
3.993
78
311.448608
78
301
SUB -5
SR -G
BaB
B
8742.96061
0.201
78
15.6554391
78
309
SUB -5
SR -G
BaB
B
1366249.2
31.365
78
2446.45173
78
317
SUB -5
SR -G
BaB
B
179139.097
4.112
78
320.772488
78
282
SUB -5
SR -G
BaC
B
117183.845
2.690
78
209.833332
78
289
SUB -5
SR -G
BaD
B
143176.441
3.287
78
256.376546
78
308
SUB -5
SR -G
BaD
B
1292.00049
0.030
78
2.31349949
78
310
SUB -5
SR -G
BaD
B
447802.653
10.280
78
801.85048
78
313
SUB -5
SR -G
BaD
B
280114.142
6.431
78
501.581797
78
314
SUB -5
SR -G
BaD
B
415.510562
0.010
78
0.74402718
78
318
SUB -5
SR -G
BaD
B
3073.35221
0.071
78
5.50324776
78
299
SUB -5
SR -G
ChA
C
1414.34529
0.032
85
2.75985651
85
291
SUB -5
SR -G
GoC
C
527.612879
0.012
85
1.02954763
85
312
SUB -5
SR -G
GoC
C
256296.528
5.884
85
500.119487
85
290
SUB -5
SR -G
GoF
C
271136.372
6.224
85
529.076942
85
311
SUB -5
SR -G
GoF
C
610300.126
14.011
85
1190.89786
85
300
SUB -5
SR -G
TaB
B
7132.74394
0.164
78
12.772131
78
268
SUB -5
WO -G
BaB
B
98204.8157
1 2.254
55
123.995979
55
271
SUB -5
WO -G
BaB
B
314167.01
7.212
55
396.675518
55
275
SUB -5
WO -G
BaB
B
16643.2038
0.382
55
21.0141462
55
292
SUB -5
WO -G
BaB
B
251420.588
5.772
55
317.450237
55
303
SUB -5
WO -G
BaB
B
38214.0386
0.877
55
48.2500487
55
319
SUB -5
WO -G
BaB
B
896.101277
0.021
55
1.13144101
55
321
SUB -5
WO -G
BaB
B
156209.309
3.586
55
197.233976
55
322
SUB -5
WO -G
BaB
B
40.2701197
0.001
55
0.05084611
55
267
SUB -5
WO -G
BaC
B
197851.142
4.542
55
249.812047
55
272
SUB -5
WO -G
BaC
B
736620.566
16.910
55
930.076472
55
280
SUB -5
WO -G
BaC
B
92838.76
2.131
55
117.220657
55
269
SUB -5
WO -G
BaD
B
731085.921
16.783
55
923.088284
55
274
SUB -5
WO -G
BaD
B
225361.439
5.174
55
284.547271
55
276
SUB -5
WO -G
BaD
B
38063.268
0.874
55
48.0596818
55
279
SUB -5
WO -G
BaD
B
64534.3627
1.482
55
81.4827812
55
293
SUB -5
WO -G
BaD
B
232127.403
5.329
55
293.090155
55
302
SUB -5
WO -G
BaD
B
5073.85477
0.116
55
6.40638228
55
307
SUB -5
WO -G
BaD
B
10509.913
0.241
55
13.2700921
55
320
SUB -5
WO -G
BaD
B
231.675155
0.005
55
0.29251914
55
278
SUB -5
WO -G
ChA
C
5155.02261
0.118
70
8.28401246
70
295
SUB -5
WO -G
ChA
C
269278.005
6.182
70
432.724067
70
305
SUB -5
WO -G
ChA
C
1495.1219
0.034
70
2.40262931
70
297
SUB -5
WO -G
GoC
C
95199.9711
2.185
70
152.984343
70
298
SUB -5
WO -G
GoC
C
195320.515
4.484
70
313.875942
70
306
SUB -5
WO -G
GoC
C
50365.565
1.156
70
80.9363992
70
316
SUB -5
WO -G
GoC
C
169.916279
0.004
70
0.27305187
70
277
SUB -5
WO -G
GoF
C
23823.2935
0.547
70
38.2835294
70
294
SUB -5
WO -G
GoF
C
767205.888
17.613
70
1232.88366
70
304
SUB -5
WO -G
GoF
C
195614.801
4.491
70
314.348853
70
315
SUB -5
WO -G
GoF
C
17315.9956
0.398
70
27.8264392
70
270
SUB -5
WO -G
KcB
C
180988.823
4.155
70
290.845216
70
264
SUB -5
WO -G
OkA
C
281998.622
6.474
70
453.165829
70
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 9of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 10 of15
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
Weighted
266
SUB -5
WO -G
TaB
B
187648.893
4.308
55
236.93042
55
296
SUB -5
WO -G
TaB
B
26710.2815
0.613
55
33.7251029
55
265
SUB -5
WO -G
Ud
C
96378.1807
2.213
70
154.877701
70
273
SUB -5
WO -G
Ud
C
254053.798
5.832
70
408.259088
70
SUB -5 Total
230.170
0.360
319
1009
SUB -5A
SR -G
BaC
B
1700.42869
0.039
78
3.04484476
78
1025
SUB -5A
SR -G
ChA
C
896.633773
0.021
85
1.74962972
85
1030
SUB -5A
SR -G
ChA
C
70142.7605
1.610
85
136.871778
85
1033
SUB -5A
SR -G
ChA
C
96942.5963
2.225
85
189.167142
85
1001
SUB -5A
SR -G
EnB
C
11330.0658
0.260
85
22.1087142
85
1005
SUB -5A
SR -G
EnB
C
104631.006
2.402
85
204.169778
85
1012
SUB -5A
SR -G
EnB
C
5560.39965
0.128
85
10.850183
85
1032
SUB -5A
SR -G
GoF
C
11873.4409
0.273
85
23.1690192
85
1022
SUB -5A
SR -G
OkA
C
6775.04543
0.156
85
13.2203595
85
1003
SUB -5A
SR -G
TaB
B
109341.928
2.510
78
195.791331
78
1007
SUB -5A
SR -G
TaB
B
27473.0916
0.631
78
49.1942412
78
1010
SUB -5A
SR -G
TaB
B
245748.043
5.642
78
440.044705
78
1020
SUB -5A
SR -G
TaB
B
315109.029
7.234
78
564.244818
78
1024
SUB -5A
SR -G
TaB
B
27592.2036
0.633
78
49.4075271
78
1026
SUB -5A
SR -G
TaB
B
5429.61256
0.125
78
9.72244673
78
1029
SUB -5A
SR -G
TaB
B
263.939339
0.006
78
0.47261865
78
1031
SUB -5A
SR -G
TaB
B
229578.419
5.270
78
411.090833
78
1002
SUB -5A
SR -G
TaC
B
121916.453
2.799
78
218.307699
78
1006
SUB -5A
SR -G
TaC
B
3517.35884
0.081
78
6.29830095
78
1011
SUB -5A
SR -G
TaC
B
98234.5204
2.255
78
175.902034
78
1013
SUB -5A
SR -G
TaC
B
3182.54227
0.073
78
5.69876715
78
1019
SUB -5A
SR -G
TaC
B
13614.772
0.313
78
24.3790684
78
1023
SUB -5A
SR -G
TaC
B
36937.8276
0.848
78
66.1421156
78
1004
SUB -5A
SR -G
Tb B2
B
29365.4674
0.674
78
52.5827929
78
1008
SUB -5A
SR -G
Tb B2
B
20687.0318
0.475
78
37.0428945
78
1000
SUB -5A
WO -G
ChA
C
2950.52247
0.068
70
4.74142729
70
1027
SUB -5A
WO -G
ChA
C
37382.4615
0.858
70
60.0728261
70
1035
SUB -5A
WO -G
ChA
C
11955.893
0.274
70
19.2128676
70
1015
SUB -5A
WO -G
EnB
C
151.501629
0.003
70
0.24345992
70
1034
SUB -5A
WO -G
GoF
C
34365.6647
0.789
70
55.2248974
70
996
SUB -5A
WO -G
OkA
C
396326.7
9.098
70
636.888637
70
997
SUB -5A
WO -G
TaB
B
87087.6292
1.999
55
109.959128
55
999
SUB -5A
WO -G
TaB
B
344987.043
7.920
55
435.589701
55
1016
SUB -5A
WO -G
TaB
B
4288.3542
0.098
55
5.41458864
55
1018
SUB -5A
WO -G
TaB
B
5540.97009
0.127
55
6.99617436
55
1021
SUB -5A
WO -G
TaB
B
8742.95126
0.201
55
11.0390799
55
1028
SUB -5A
WO -G
TaB
B
5816.21948
0.134
55
7.34371146
55
998
SUB -5A
WO -G
TaC
B
797612.449
18.311
55
1007.08643
55
1017
SUB -5A
WO -G
TaC
B
77390.0395
1.777
55
97.7146963
55
1014
SUB -5A
WO -G
Tb B2
B
58.656577
0.001
55
0.07406133
55
40
0.122
5368.27532
373
SUB -6
BR -F
BaC
B
2192.69416
0.050
56
2.81889056
56
374
SUB -6
BR -F
BaD
B
127156.206
2.919
56
163.46987
56
370
SUB -6
BR -F
EnB
C
133522.729
3.065
70
214.568206
70
376
SUB -6
BR -F
TaB
B
22326.123
0.513
56
28.7020865
56
371
SUB -6
BR -F
TaC
B
1415.16326
0.032
56
1.81930997
56
375
SUB -6
BR -F
TaC
B
25376.6963
0.583
56
32.623852
56
372
SUB -6
BR -F
Tb B2
B
26974.9959
0.619
56
34.6785989
56
351
SUB -6
SR -G
BaC
B
165681.111
3.804
78
296.674166
78
358
SUB -6
SR -G
BaC
B
253996.33
5.831
78
454.814366
78
364
SUB -6
SR -G
BaC
B
125610.328
2.884
78
224.922075
78
389
SUB -6
SR -G
BaC
B
18378.0131
0.422
78
32.9082879
78
391
SUB -6
SR -G
BaC
B
9008.84086
0.207
78
16.1315332
78
396
SUB -6
SR -G
BaC
B
1009.04876
0.023
78
1.80683661
78
328
SUB -6
SR -G
BaD
B
2656.55571
0.061
78
4.75691795
78
352
SUB -6
SR -G
BaD
B
75049.8829
1.723
78
134.386843
78
359
SUB -6
SR -G
BaD
B
171803.633
3.944
78
307.63736
78
365
SUB -6
SR -G
BaD
B
23349.5831
0.536
78
41.8105483
78
393
SUB -6
SR -G
BaD
B
6.73385362
0.000
78
0.01205786
78
399
SUB -6
SR -G
BaD
B
186457.208
4.280
78
333.876543
78
392
SUB -6
SR -G
ChA
C
239.520932
0.005
85
0.46738474
85
397
SUB -6
SR -G
ChA
C
465425.315
10.685
85
908.199076
85
405
SUB -6
SR -G
ChA
C
214659.717
4.928
85
418.872266
85
324
SUB -6
SR -G
EnB
C
47317.2784
1.086
85
92.3316957
85
327
SUB -6
SR -G
EnB
C
3.787056
0.000
85
0.0073898
85
361
SUB -6
SR -G
EnB
C
64914.1673
1.490
85
126.669059
85
367
SUB -6
SR -G
EnB
C
86823.0468
1.993
85
169.420546
85
404
SUB -6
SR -G
GoF
C
1688.00071
0.039
85
3.29384896
85
329
SUB -6
SR -G
McB2
C
345977.683
7.943
85
675.11715
85
388
SUB -6
SR -G
OkA
C
4460.51682
0.102
85
8.70394696
85
362
SUB -6
SR -G
TaB
B
75458.7594
1.732
78
135.118991
78
368
SUB -6
SR -G
TaB
B
30697.2766
0.705
78
54.9675751
78
379
SUB -6
SR -G
TaB
B
99680.8293
2.288
78
178.491843
78
385
SUB -6
SR -G
TaB
B
4593.58165
0.105
78
8.22542168
78
387
SUB -6
SR -G
TaB
B
217445.375
4.992
78
389.364997
78
390
SUB -6
SR -G
TaB
B
75864.3763
1.742
78
135.845302
78
394
SUB -6
SR -G
TaB
B
1064.25419
0.024
78
1.90568932
78
395
SUB -6
SR -G
TaB
B
1155.63545
0.027
78
2.06931967
78
398
SUB -6
SR -G
TaB
B
2446.97377
0.056
78
4.38163348
78
400
SUB -6
IN
TaB
B
376570.165
8.645
78
674.299193
78
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 10 of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
406
SUB -6
SR -G
TaB
B
164774.787
3.783
78
295.051271
78
326
SUB -6
SR -G
TaC
B
273608.246
6.281
78
489.932122
78
330
SUB -6
SR -G
TaC
B
142128.011
3.263
78
254.499192
78
350
SUB -6
SR -G
TaC
B
14321.2402
0.329
78
25.644094
78
360
SUB -6
SR -G
TaC
B
50205.5524
1.153
78
89.8997495
78
366
SUB -6
SR -G
TaC
B
49526.024
1.137
78
88.682963
78
377
SUB -6
SR -G
TaC
B
1493.67218
0.034
78
2.67461961
78
384
SUB -6
SR -G
TaC
B
4149.36962
0.095
78
7.43000069
78
386
SUB -6
SR -G
TaC
B
4524.23271
0.104
78
8.10124315
78
325
SUB -6
SR -G
Tb B2
B
33665.8442
0.773
78
60.2831922
78
349
SUB -6
SR -G
Tb B2
B
146228.376
3.357
78
261.841444
78
357
SUB -6
SR -G
Tb B2
B
83970.6364
1.928
78
150.360644
78
363
SUB -6
SR -G
Tb B2
B
109300.705
2.509
78
195.717515
78
369
SUB -6
SR -G
Tb B2
B
4414.80745
0.101
78
7.9053026
78
378
SUB -6
SR -G
Tb B2
B
175661.62
4.033
78
314.545601
78
323
SUB -6
SR -G
VaB
C
270688.104
6.214
85
528.202223
85
336
SUB -6
WO -G
BaC
B
8982.16808
0.206
55
11.3411213
55
342
SUB -6
WO -G
BaC
B
10509.538
0.241
55
13.2696187
55
347
SUB -6
WO -G
BaC
B
170099.756
3.905
55
214.772419
55
354
SUB -6
WO -G
BaC
B
144367.353
3.314
55
182.282012
55
401
SUB -6
WO -G
BaC
B
1354.94385
0.031
55
1.71078769
55
337
SUB -6
WO -G
BaD
B
1367360.82
31.390
55
1726.46568
55
348
SUB -6
WO -G
BaD
B
16.8435963
0.000
55
0.02126717
55
355
SUB -6
WO -G
BaD
B
4084.85255
0.094
55
5.15764211
55
403
SUB -6
WO -G
BaD
B
21753.8884
0.499
55
27.4670308
55
402
SUB -6
WO -G
ChA
C
73.8942154
0.002
70
0.11874644
70
408
SUB -6
WO -G
ChA
C
3228.27238
0.074
70
5.18776553
70
332
SUB -6
WO -G
EnB
C
1718.72437
0.039
70
2.76195377
70
335
SUB -6
WO -G
EnB
C
187800.641
4.311
70
301.791664
70
356
SUB -6
WO -G
EnB
C
34995.6538
0.803
70
56.2372766
70
407
SUB -6
WO -G
GoF
C
2685.36872
0.062
70
4.31533081
70
338
SUB -6
WO -G
McB2
C
50757.406
1.165
70
81.5660795
70
346
SUB -6
WO -G
OkA
C
112261.3
2.577
70
180.401537
70
340
SUB -6
WO -G
TaB
B
390492.734
8.964
55
493.046381
55
344
SUB -6
WO -G
TaB
B
807897.748
18.547
55
1020.07291
55
345
SUB -6
WO -G
TaB
B
218197.521
5.009
55
275.50192
55
381
SUB -6
WO -G
TaB
B
333999.482
7.668
55
421.716518
55
383
SUB -6
WO -G
TaB
B
98948.1462
2.272
55
124.934528
55
334
SUB -6
WO -G
TaC
B
68694.2678
1.577
55
86.7351866
55
339
SUB -6
WO -G
TaC
B
1848402.32
42.433
55
2333.84132
55
343
SUB -6
WO -G
TaC
B
835.52787
0.019
55
1.05495943
55
380
SUB -6
WO -G
TaC
B
595557.203
13.672
55
751.966166
55
382
SUB -6
WO -G
TaC
B
189569.236
4.352
55
239.355096
55
333
SUB -6
WO -G
Tb B2
B
62844.396
1.443
55
79.3489849
55
341
SUB -6
WO -G
Tb B2
B
310921.57
7.138
55
392.57774
55
353
SUB -6
WO -G
Tb B2
B
103467.576
2.375
55
130.640878
55
331
SUB -6
WO -G
VaB
C
101191.327
2.323
70
162.612326
70
281.685
0.440
18425.2147
434
SUB -7
SR -G
BaB
B
14311.7216
0.329
78
25.6270497
78
435
SUB -7
SR -G
BaD
B
708.814007
0.016
78
1.26922618
78
428
SUB -7
SR -G
ChA
C
5150.07887
0.118
85
10.0495111
85
427
SUB -7
SR -G
GoF
C
32200.2265
0.739
85
62.8333161
85
430
SUB -7
WO -G
BaB
B
3813.96258
0.088
55
4.81560932
55
436
SUB -7
WO -G
BaB
B
20.9035086
0.000
55
0.02639332
55
438
SUB -7
WO -G
BaB
B
32924.7569
0.756
55
41.5716628
55
441
SUB -7
WO -G
BaB
B
333839.902
7.664
55
421.515027
55
444
SUB -7
WO -G
BaB
B
13441.2382
0.309
55
16.9712604
55
450
SUB -7
WO -G
BaB
B
54070.8616
1.241
55
68.2712899
55
453
SUB -7
WO -G
BaB
B
1522.79899
0.035
55
1.922726
55
454
SUB -7
WO -G
BaB
B
0.36427923
0.000
55
0.00045995
55
457
SUB -7
WO -G
BaB
B
5654.45375
0.130
55
7.1394618
55
433
SUB -7
WO -G
BaD
B
96613.5839
2.218
55
121.986848
55
437
SUB -7
WO -G
BaD
B
8722.04776
0.200
55
11.0126866
55
439
SUB -7
WO -G
BaD
B
1150.94684
0.026
55
1.45321571
55
442
SUB -7
WO -G
BaD
B
49608.1222
1.139
55
62.6365179
55
446
SUB -7
WO -G
BaD
B
4629.18612
0.106
55
5.84493197
55
448
SUB -7
WO -G
BaD
B
8728.73906
0.200
55
11.0211352
55
451
SUB -7
WO -G
BaD
B
22868.2438
0.525
55
28.8740452
55
432
SUB -7
WO -G
ChA
C
359.676447
0.008
70
0.57799245
70
429
SUB -7
WO -G
GoC
C
8747.74583
0.201
70
14.0574428
70
440
SUB -7
WO -G
GoC
C
43319.5258
0.994
70
69.613563
70
443
SUB -7
WO -G
GoC
C
122492.763
2.812
70
196.843283
70
447
SUB -7
WO -G
GoC
C
14.2122086
0.000
70
0.02283872
70
449
SUB -7
WO -G
GoC
C
25406.3642
0.583
70
40.8274906
70
452
SUB -7
WO -G
GoC
C
23500.6521
0.540
70
37.7650516
70
455
SUB -7
WO -G
GoC
C
17611.542
0.404
70
28.301376
70
456
SUB -7
WO -G
GoC
C
3088.48816
0.071
70
4.96313525
70
458
SUB -7
WO -G
GoC
C
1970.96102
0.045
70
3.16729274
70
459
SUB -7
WO -G
GoC
C
4113.45677
0.094
70
6.61023815
70
460
SUB -7
WO -G
GoC
C
6821.47847
0.157
70
10.9619718
70
461
SUB -7
WO -G
GoC
C
3535.62629
0.081
70
5.68167678
70
462
SUB -7
WO -G
GoC
C
36.055854
0.001
70
0.057941
70
431
SUB -7
WO -G
GoF
C
130597.163
2.998
70
209.866882
70
445
SUB -7
WO -G
GoF
C
5892.7769
0.135
70
9.46956803
70
24.965
0.039
W
1543.63012
62
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 11 of15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
Area s
(Sq. Mi le
CN
CN *A
WeCNted
1037
SUB -7A
SR -G
ChA
C
232386.129
5.335
85
453.462372
85
1036
SUB -7A
SR -G
GoF
C
7927.69275
0.182
85
15.4695566
85
1038
SUB -7A
SR -G
TaB
B
135914.776
3.120
78
243.373566
78
1040
SUB -7A
WO -G
ChA
C
1362.4181
0.031
70
2.18937711
70
1039
SUB -7A
WO -G
GoF
C
1682.03237
0.039
70
2.7029905
70
8.707
0.014
717.197862
512
SUB -8
BR -F
BaB
B
3061.67786
0.070
56
3.93604133
56
515
SUB -8
BR -F
BaB
B
150115.801
3.446
56
192.986337
56
473
SUB -8
BR -F
BaC
B
115115.333
2.643
56
147.990328
56
478
SUB -8
BR -F
BaC
B
33603.1148
0.771
56
43.1995967
56
504
SUB -8
BR -F
BaC
B
7563.79948
0.174
56
9.72389281
56
511
SUB -8
BR -F
BaC
B
6919.73811
0.159
56
8.8958984
56
514
SUB -8
BR -F
BaD
B
346644.259
7.958
56
445.640002
56
525
SUB -8
BR -F
BaD
B
8742.94191
0.201
56
11.2397784
56
471
SUB -8
BR -F
EnB
C
294248.488
6.755
70
472.851106
70
477
SUB -8
BR -F
EnB
C
10111.6321
0.232
70
16.2491793
70
481
SUB -8
BR -F
EnB
C
32810.4119
0.753
70
52.725639
70
513
SUB -8
BR -F
TaB
B
8101.2726
0.186
56
10.4148592
56
516
SUB -8
BR -F
TaB
B
26161.1631
0.601
56
33.6323493
56
472
SUB -8
BR -F
Tb B2
B
7753.39604
0.178
56
9.96763495
56
496
SUB -8
SR -G
BaB
B
430196.185
9.876
78
770.323747
78
519
SUB -8
SR -G
BaB
B
6085.87054
0.140
78
10.8975643
78
521
SUB -8
SR -G
BaB
B
86874.2719
1.994
78
155.559991
78
530
SUB -8
SR -G
BaB
B
64466.6892
1.480
78
115.43622
78
532
SUB -8
SR -G
BaB
B
253899.556
5.829
78
454.641079
78
476
SUB -8
SR -G
BaC
B
37883.2628
0.870
78
67.8350436
78
494
SUB -8
SR -G
BaC
B
124485.943
2.858
78
222.908713
78
506
SUB -8
SR -G
BaD
B
69139.4077
1.587
78
123.803347
78
520
SUB -8
SR -G
BaD
B
97592.4254
2.240
78
174.752277
78
529
SUB -8
SR -G
BaD
B
226921.427
5.209
78
406.333134
78
527
SUB -8
SR7
ChA
C
256880.733
5.897
85
501.259465
85
493
SUB -8
SR -G
EnB
C
394385.087
9.054
85
769.576042
85
526
SUB -8
SR -G
GoF
C
19.9132533
0.000
85
0.03885736
85
495
SUB -8
SR -G
TaB
B
222258.555
5.102
78
397.983639
78
502
SUB -8
SR -G
TaB
B
10806.8649
0.248
78
19.3511355
78
503
SUB -8
SR -G
TaB
B
444.931089
0.010
78
0.79670856
78
505
SUB -8
SR -G
TaB
B
433813.508
9.959
78
776.801047
78
522
SUB -8
SR -G
TaB
B
84267.0604
1.935
78
150.891431
78
528
SUB -8
SR7
TaB
B
478865.795
10.993
78
857.473186
78
531
SUB -8
SR -G
TaB
B
579573.322
13.305
78
1037.80347
78
475
SUB -8
SR -G
Tb B2
B
388225.082
8.912
78
695.16888
78
468
SUB -8
WO -G
BaB
B
72581.2535
1.666
55
91.6429969
55
518
SUB -8
WO -G
BaB
B
111.621521
0.003
55
0.14093626
55
465
SUB -8
WO -G
BaC
B
1702753.75
39.090
55
2149.94161
55
480
SUB -8
WO -G
BaC
B
33.2856273
0.001
55
0.04202731
55
484
SUB -8
WO -G
BaC
B
10570.6036
0.243
55
13.3467217
55
486
SUB -8
WO -G
BaC
B
8742.95126
0.201
55
11.0390799
55
487
SUB -8
WO -G
BaC
B
8742.94191
0.201
55
11.0390681
55
489
SUB -8
WO -G
BaC
B
130342.435
2.992
55
164.573782
55
491
SUB -8
WO -G
BaC
B
18854.3442
0.433
55
23.8059902
55
498
SUB -8
WO -G
BaC
B
19660.9142
0.451
55
24.8243867
55
508
SUB -8
WO -G
BaC
B
668.276124
0.015
55
0.84378298
55
517
SUB -8
WO -G
BaC
B
4358.12353
0.100
55
5.50268122
55
470
SUB -8
WO -G
BaD
B
108.653081
0.002
55
0.13718823
55
510
SUB -8
WO -G
BaD
B
5520.03571
0.127
55
6.96974205
55
524
SUB -8
WO -G
BaD
B
87135.9198
2.000
55
110.020101
55
535
SUB -8
WO -G
BaD
B
68900.6525
1.582
55
86.9957733
55
533
SUB -8
WO -G
ChA
C
49203.8769
1.130
70
79.0695911
70
463
SUB -8
WO -G
EnB
C
71458.4659
1.640
70
114.832245
70
474
SUB -8
WO -G
EnB
C
78626.2662
1.805
70
126.350749
70
479
SUB -8
WO -G
EnB
C
17452.6076
0.401
70
28.0459717
70
482
SUB -8
WO -G
EnB
C
8742.95126
0.201
70
14.049738
70
485
SUB -8
WO -G
EnB
C
11516.2024
0.264
70
18.5062941
70
466
SUB -8
WO -G
TaB
B
212794.032
4.885
55
268.679333
55
467
SUB -8
WO -G
TaB
B
32002.0561
0.735
55
40.4066365
55
469
SUB -8
WO -G
TaB
B
429.375503
0.010
55
0.54214079
55
500
SUB -8
WO -G
TaB
B
527178.257
12.102
55
665.629113
55
501
SUB -8
WO -G
TaB
B
1152.95734
0.026
55
1.45575422
55
507
SUB -8
WO -G
TaB
B
15923.2819
0.366
55
20.1051539
55
509
SUB -8
WO -G
TaB
B
43191.5676
0.992
55
54.5348075
55
523
SUB -8
WO -G
TaB
B
293.583482
0.007
55
0.37068621
55
534
SUB -8
WO -G
TaB
B
56754.5146
1.303
55
71.6597406
55
499
SUB -8
WO -G
TaC
B
12490.4858
0.287
55
15.7708154
55
464
SUB -8
WO -G
Tb B2
B
447164.191
10.265
55
564.601251
55
483
SUB -8
WO -G
Tb B2
B
6915.30827
0.159
55
8.73144983
55
488
SUB -8
WO -G
Tb B2
B
35773.6295
0.821
55
45.1687241
55
490
SUB -8
WO -G
Tb B2
B
33603.3727
0.771
55
42.4285009
55
492
SUB -8
WO -G
Tb B2
B
8742.95126
0.201
55
11.0390799
55
497
SUB -8
WO -G
Tb B2
B
6567.9302
0.151
55
8.29284116
55
SUB -8 Total
209.254
0.327
14070.2241
67
582
SUB -9
BR -F
BaB
B
146698.574
3.368
56
188.593208
56
584
SUB -9
BR -F
BaB
B
258772.715
5.941
56
332.673831
56
587
SUB -9
BR -F
BaB
B
17485.9119
0.401
56
22.4795929
56
581
SUB -9
BR -F
BaD
B
71875.2078
1.650
56
92.4015527
56
583
SUB -9
BR -F
BaD
B
3515.82253
0.081
56
4.51988204
56
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 12 of 15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
WeCNted
589
SUB -9
BR -G
BaB
B
164991.327
3.788
48
181.808625
48
588
SUB -9
BR -G
BaD
B
6582.15326
0.151
48
7.25306145
48
537
SUB -9
SR -G
BaB
B
448851.048
10.304
78
803.727772
78
538
SUB -9
SR -G
BaB
B
366280.515
8.409
78
655.8742
78
554
SUB -9
SR -G
BaB
B
382262.829
8.776
78
684.49267
78
557
SUB -9
SR -G
BaB
B
158366.326
3.636
78
283.576065
78
558
SUB -9
SR -G
BaB
B
62661.5482
1.439
78
112.203874
78
591
SUB -9
SR -G
BaB
B
89493.1528
2.054
78
160.249447
78
601
SUB -9
SR -G
BaB
B
148704.259
3.414
78
266.274843
78
536
SUB -9
SR -G
BaD
B
590245.565
13.550
78
1056.91355
78
553
SUB -9
SR -G
BaD
B
95212.0978
2.186
78
170.489982
78
556
SUB -9
SR -G
BaD
B
18523.6647
0.425
78
33.1690965
78
590
SUB -9
SR -G
BaD
B
253670.696
5.823
78
454.231274
78
600
SUB -9
SR -G
BaD
B
8069.52202
0.185
78
14.4495573
78
543
SUB -9
SR -G
ChA
C
5112.90019
0.117
85
9.97696318
85
542
SUB -9
SR -G
GoF
C
22503.4164
0.517
85
43.9116252
85
541
SUB -9
SR -G
TaB
B
1261072.59
28.950
78
2258.11897
78
555
SUB -9
SR -G
TaB
B
116789.661
2.681
78
209.127493
78
602
SUB -9
SR -G
TaB
B
206889.939
4.750
78
370.464079
78
539
SUB -9
SR -G
W
D
5.4874182
0.000
89
0.01121167
89
540
SUB -9
SR -G
W
D
7287.77146
0.167
89
14.8900748
89
592
SUB -9
SR -G
W
D
2893.66831
0.066
89
5.91222405
89
593
SUB -9
SR -G
W
D
3660.53341
0.084
89
7.47905128
89
595
SUB -9
WATER
BaB
B
3808.44378
0.087
98
8.5681242
98
596
SUB -9
WATER
BaB
B
14062.307
0.323
98
31.6369624
98
594
SUB -9
WATER
BaD
B
147140.084
3.378
98
331.031409
98
599
SUB -9
WATER
TaB
B
109074.294
2.504
98
245.392123
98
597
SUB -9
WATER
W
D
223230.797
5.125
98
502.218048
98
598
SUB -9
WATER
W
D
27261.1963
0.626
98
61.3314334
98
547
SUB -9
WO -G
BaB
B
1648821.63
37.852
55
2081.84549
55
548
SUB -9
WO -G
BaB
B
18745.8152
0.430
55
23.6689585
55
550
SUB -9
WO -G
BaB
B
150914.869
3.465
55
190.549078
55
561
SUB -9
WO -G
BaB
B
53422.3137
1.226
55
67.4524163
55
566
SUB -9
WO -G
BaB
B
38592.6846
0.886
55
48.7281372
55
545
SUB -9
WO -G
BaD
B
2355918.33
54.084
55
2974.64436
55
559
SUB -9
WO -G
BaD
B
27207.3724
0.625
55
34.3527429
55
564
SUB -9
WO -G
BaD
B
338.394449
0.008
55
0.42726572
55
552
SUB -9
WO -G
ChA
C
19672.6987
0.452
70
31.6136114
70
546
SUB -9
WO-G
GoC
C
134016.025
3.077
70
215.360922
70
560
SUB -9
WO -G
GoC
C
26854.9672
0.617
70
43.155365
70
562
SUB -9
WO -G
GoC
C
851.322389
0.020
70
1.3680571
70
563
SUB -9
WO -G
GoC
C
27434.2471
0.630
70
44.0862557
70
565
SUB -9
WO -G
GoC
C
151135.13
3.470
70
242.870962
70
568
SUB -9
WO -G
GoC
C
22665.1316
0.520
70
36.4223878
70
570
SUB -9
WO -G
GoC
C
1811.65844
0.042
70
2.91129685
70
571
SUB -9
WO -G
GoC
C
5207.33432
0.120
70
8.36807627
70
572
SUB -9
WO -G
GoC
C
43678.7005
1.003
70
70.1907491
70
573
SUB -9
WO -G
GoC
C
8633.46273
0.198
70
13.8737923
70
574
SUB -9
WO -G
GoC
C
8742.95126
0.201
70
14.049738
70
575
SUB -9
WO -G
GoC
C
8742.94191
0.201
70
14.049723
70
576
SUB -9
WO -G
GoC
C
4424.48342
0.102
70
7.11005141
70
578
SUB -9
WO -G
GoC
C
8187.47209
0.188
70
13.1570947
70
585
SUB -9
WO -G
GoC
C
2433.66605
0.056
70
3.91084994
70
551
SUB -9
WO -G
GoF
C
1010453.55
23.197
70
1623.77751
70
567
SUB -9
WO -G
GoF
C
37209.8803
0.854
70
59.7954917
70
569
SUB -9
WO -G
GoF
C
75187.0775
1.726
70
120.824046
70
577
SUB -9
WO -G
GoF
C
1148.49198
0.026
70
1.84560236
70
579
SUB -9
WO -G
GoF
C
29607.479
0.680
70
47.5785934
70
580
SUB -9
WO -G
GoF
C
8742.96061
0.201
70
14.0497531
70
586
SUB -9
WO -G
GoF
C
6309.27587
0.145
70
10.1388731
70
544
SUB -9
WO -G
TaB
B
127933.325
2.937
55
161.531976
55
549
SUB -9
WO -G
W
D
6061.82539
0.139
77
10.7153479
77
SUB -9 To
264.329
0.413
17859.8764
68
1088
SUB -9A
SR -G
ChA
C
12590.9734
0.289
85
24.569163
85
1087
SUB -9A
SR -G
GoF
C
23396.3788
0.537
85
45.6540908
85
1091
SUB -9A
WO -G
ChA
C
58848.4545
1.351
70
94.5682235
70
1089
SUB -9A
WO -G
GoC
C
105975.064
2.433
70
170.29969
70
1092
SUB -9A
WO -G
GoC
C
24180.3363
0.555
70
38.8572898
70
1094
SUB -9A
WO -G
GoC
C
27947.4864
0.642
70
44.9110204
70
1095
SUB -9A
WO -G
GoC
C
85117.3796
1.954
70
136.781831
70
1097
SUB -9A
WO -G
GoC
C
6771.99959
0.155
70
10.8824603
70
1098
SUB -9A
WO -G
GoC
C
4629.4945
0.106
70
7.43949988
70
1099
SUB -9A
WO -G
GoC
C
109.814354
0.003
70
0.17646935
70
1100
SUB -9A
WO -G
GoC
C
8742.94191
0.201
70
14.049723
70
1101
SUB -9A
WO -G
GoC
C
109.479185
0.003
70
0.17593074
70
1102
SUB -9A
WO -G
GoC
C
8742.96061
0.201
70
14.0497531
70
1103
SUB -9A
WO -G
GoC
C
11912.9365
0.273
70
19.1438373
70
1104
SUB -9A
WO -G
GoC
C
5919.79589
0.136
70
9.51298697
70
1090
SUB -9A
WO -G
GoF
C
242531.688
5.568
70
389.743301
70
1093
SUB -9A
WO -G
GoF
C
21708.6365
0.498
70
34.8853204
70
1096
SUB -9A
WO -G
GoF
C
506.729712
0.012
70
0.81430394
70
SUB-9A Total
14.916
0.023
1056.51489
71
1083
SUB -9B
SR -G
BaB
B
565221.945
12.976
78
1012.10541
78
1081
SUB -9B
SR -G
BaD
B
8894.70532
0.204
78
15.9271583
78
1080
SUB -9B
SR -G
ChA
C
492471.24
11.306
85
960.974641
85
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 13 of 15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
DA
Cover
Soils
HSG
Area
Area (Acres)
S Area
( 9. )
CN
CN *A
Weighted
1079
SUB -9B
SR -G
GoF
C
9499.48507
0.218
85
18.5366444
85
1082
SUB -9B
SR -G
TaB
B
882220.266
20.253
78
1579.73326
78
1085
SUB -9B
WO -G
ChA
C
22651.664
0.520
70
36.4007456
70
1086
SUB -9B
WO -G
ChA
C
7764.8305
0.178
70
12.4779186
70
1084
SUB -9B
WO -G
GoF
C
1802.5066
0.041
70
2.89659003
70
45.696
0.071
3639.05237
80
1041
SUB -9C
SR -G
BaB
B
582002.553
13.361
78
1042.15333
78
1046
SUB -9C
SR -G
BaB
B
9866.33101
0.226
78
17.6669839
78
1042
SUB -9C
SR -G
BaD
B
420270.823
9.648
78
752.55106
78
1047
SUB -9C
SR -G
BaD
B
11156.9978
0.256
78
19.9780953
78
1045
SUB -9C
SR -G
ChA
C
42373.407
0.973
85
82.6845638
85
1043
SUB -9C
SR -G
GeB2
B
530552.425
12.180
78
950.025004
78
1048
SUB -9C
SR -G
TaB
B
965055.253
22.155
78
1728.06037
78
1044
SUB -9C
SR -G
W
D
36504.3018
0.838
89
74.5840877
89
1050
SUB -9C
WO-G
BaD
B
6544.47565
0.150
55
8.26322683
55
1052
SUB -9C
WO -G
ChA
C
9641.90557
0.221
70
15.4943386
70
1049
SUB -9C
WO -G
GeB2
B
1199.10052
0.028
55
1.51401581
55
1051
SUB -9C
WO -G
TaB
B
8001.47267
0.184
55
10.1028695
55
1109
al
SUB -9D
SR -G
BaD
B
1244.26118
ONE20
0.029
0.094
78
470
2.22801588
78
1115
SUB -9D
SR -G
BaD
B
12922.3796
0.297
78
23.1392472
78
1107
SUB -9D
SR -G
BaF
B
1030.13818
0.024
78
1.84460005
78
1108
SUB -9D
SR -G
ChA
C
298448.878
6.851
85
582.372697
85
1114
SUB -9D
SR -G
ChA
C
175995.632
4.040
85
343.42582
85
1118
SUB -9D
SR -G
ChA
C
34971.8051
0.803
85
68.2415847
85
1121
SUB -9D
SR -G
ChA
C
8742.94191
0.201
85
17.0603779
85
1105
SUB -9D
SR -G
GeB2
B
1622382.44
37.245
78
2905.09253
78
1112
SUB -9D
SR -G
GeB2
B
699129.143
16.050
78
1251.88414
78
1116
SUB -9D
SR -G
GeB2
B
8742.95126
0.201
78
15.6554224
78
1117
SUB -9D
SR -G
GeB2
B
1502.74127
0.034
78
2.69085903
78
1106
SUB -9D
SR -G
TaB
B
220700.165
5.067
78
395.193133
78
1113
SUB -9D
SR -G
TaB
B
9657.943
0.222
78
17.2938373
78
1122
SUB -9D
WO -G
BaF
B
1171.07645
0.027
55
1.47863188
55
1125
SUB -9D
WO -G
BaF
B
1459.75287
0.034
55
1.84312231
55
1111
SUB -9D
WO -G
ChA
C
137431.341
3.155
70
220.849263
70
1119
SUB -9D
WO -G
ChA
C
3270.0211
0.075
70
5.25485484
70
1120
SUB -9D
WO -G
ChA
C
6412.86118
0.147
70
10.3053325
70
1123
SUB -9D
WO -G
ChA
C
36441.5014
0.837
70
58.5607232
70
1124
SUB -9D
WO -G
ChA
C
719.853593
0.017
70
1.15678952
70
1126
SUB -9D
WO -G
ChA
C
1453.89506
0.033
70
2.33637865
70
1110
SUB -9D
WO -G
GeB2
B
2202.18078
0.051
55
2.78053129
55
SUB -91D Total
75.437
0.118
30.68789
79
1128
SUB -9E
SR -G
BaB
B
1622492.84
37.247
78
2905.29021
78
1179
SUB -9E
SR -G
BaB
B
63.2360074
0.001
78
0.11323252
78
1127
SUB -9E
SR -G
BaD
B
162612.541
3.733
78
291.179481
78
1130
SUB -9E
SR -G
BaD
B
436316.069
10.016
78
781.282216
78
1132
SUB -9E
SR -G
BaD
B
688359.84
15.803
78
1232.60026
78
1131
SUB -9E
SR -G
BaF
B
36984.0399
0.849
78
66.2248648
78
1136
SUB -9E
SR -G
ChA
C
222244.84
5.102
85
433.673355
85
1146
SUB -9E
SR -G
ChA
C
88.5913
0.002
85
0.17287099
85
1135
SUB -9E
SR -G
GoF
C
889816.921
20.427
85
1736.32778
85
1129
SUB -9E
SR -G
TaB
B
287569.426
6.602
78
514.931479
78
1134
SUB -9E
SR -G
TaB
B
256859.631
5.897
78
459.941487
78
1180
SUB -9E
SR -G
TaB
B
2200.65126
0.051
78
3.9405601
78
1133
SUB -9E
SR -G
W
D
6141.91403
0.141
89
12.5489061
89
1175
SUB -9E
WATER
BaB
B
2221.96561
0.051
98
4.99891253
98
1176
SUB -9E
WATER
BaD
B
100322.08
2.303
98
225.701649
98
1178
SUB -9E
WATER
GoF
C
11016.4441
0.253
98
24.7844701
98
1177
SUB -9E
WATER
W
D
52555.5753
1.207
98
118.237979
98
1143
SUB -9E
WO -G
BaB
B
151135.268
3.470
55
190.827359
55
1161
SUB -9E
WO -G
BaB
B
150397.296
3.453
55
189.895576
55
1183
SUB -9E
WO -G
BaB
B
4224.33252
0.097
55
5.33375318
55
1187
SUB -9E
WO-G
BaB
B
31823.108
0.731
55
40.1806919
55
1139
SUB -9E
WO -G
BaD
B
75351.876
1.730
55
95.1412576
55
1142
SUB -9E
WO -G
BaD
B
2678.3048
0.061
55
3.38169798
55
1144
SUB -9E
WO -G
BaD
B
55077.1411
1.264
55
69.5418448
55
1147
SUB -9E
WO -G
BaD
B
235669.669
5.410
55
297.562714
55
1150
SUB -9E
WO -G
BaD
B
99269.0339
2.279
55
125.339689
55
1153
SUB -9E
WO -G
BaD
B
8858.12917
0.203
55
11.1845065
55
1155
SUB -9E
WO -G
BaD
B
8742.94191
0.201
55
11.0390681
55
1163
SUB -9E
WO -G
BaD
B
187544.251
4.305
55
236.798297
55
1189
SUB -9E
WO -G
BaD
B
18417.2932
0.423
55
23.2541581
55
1192
SUB -9E
WO -G
BaD
B
1007.81513
0.023
55
1.27249385
55
1158
SUB -9E
WO -G
BaF
B
103.959874
0.002
55
0.13126247
55
1162
SUB -9E
WO -G
BaF
B
328901.87
7.551
55
415.280139
55
1167
SUB -9E
WO -G
BaF
B
3503.27952
0.080
55
4.42333273
55
1170
SUB -9E
WO -G
BaF
B
27536.3064
0.632
55
34.7680637
55
1173
SUB -9E
WO -G
BaF
B
35919.0037
0.825
55
45.3522774
55
1181
SUB -9E
WO -G
BaF
B
23925.0883
0.549
55
30.2084449
55
1184
SUB -9E
WO -G
BaF
B
4148.83668
0.095
55
5.23843015
55
1188
SUB -9E
WO -G
BaF
B
21313.3515
0.489
55
26.9107973
55
1191
SUB -9E
-G
BaF
B
7735.14548
0.178
55
9.76659783
55
1138
SUB -9E
%
WO -G
ChA
C
4827.60824
0.111
70
7.75786447
70
1141
SUB -9E
WO -G
ChA
C
182157.539
4.182
70
292.723318
70
1152
SUB -9E
WO -G
ChA
C
1233.28372
0.028
70
1.9818609
70
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 14 of 15

LITTLE BUFFALO CREEK
WEIGHTED RUNOFF CURVE NUMBER CALCULATIONS
EXISTING CONDITIONS
ID
DA
Cover
Soils
HSG
Area
Area (Acres)
S Area
(9 )
CN
CN *A
Weighted
1157
SUB -9E
WO -G
ChA
C
3606.42148
0.083
70
5.79544314
70
1160
SUB -9E
WO -G
ChA
C
17932.7671
0.412
70
28.817578
70
1166
SUB -9E
WO -G
ChA
C
8291.84581
0.190
70
13.3248211
70
1168
SUB -9E
WO -G
ChA
C
10712.6113
0.246
70
17.21494
70
1169
SUB -9E
WO -G
ChA
C
2330.09008
0.053
70
3.74440555
70
1172
SUB -9E
WO -G
ChA
C
9700.1882
0.223
70
15.5879976
70
1174
SUB -9E
WO -G
ChA
C
7075.88971
0.162
70
11.3708053
70
1186
SUB -9E
WO -G
ChA
C
204.432405
0.005
70
0.32851856
70
1137
SUB -9E
WO -G
GoF
C
0.08897791
0.000
70
0.00014299
70
1140
SUB -9E
WO -G
GoF
C
433516.628
9.952
70
696.652065
70
1145
SUB -9E
WO -G
GoF
C
219513.898
5.039
70
352.754197
70
1149
SUB -9E
WO -G
GoF
C
182110.475
4.181
70
292.647687
70
1151
SUB -9E
WO -G
GoF
C
48127.8351
1.105
70
77.3404146
70
1154
SUB -9E
WO -G
GoF
C
8627.78271
0.198
70
13.8646646
70
1156
SUB -9E
WO -G
GoF
C
13879.4904
0.319
70
22.3040479
70
1159
SUB -9E
WO -G
GoF
C
16935.0781
0.389
70
27.2143128
70
1165
SUB -9E
WO -G
GoF
C
35944.8008
0.825
70
57.7625358
70
1164
SUB -9E
WO -G
TaB
B
15910.0117
0.365
55
20.0883987
55
1171
SUB -9E
WO -G
TaB
B
3837.49823
0.088
55
4.84532605
55
1182
SUB -9E
WO -G
TaB
B
2303.76545
0.053
55
2.90879477
55
1185
SUB -9E
WO -G
TaB
B
1476.04361
0.034
55
1.86369142
55
1190
SUB -9E
WO -G
TaB
B
966.10688
0.022
55
1.21983192
55
1148
SUB -9E
WO -G
W
D
1881.50739
0.043
77
3.32589689
77
SUME Total
172.044
0.269
12658.2217
74
Grand Total
3999.723
6.250
277183.473
V. �Op ... tio,,�121�1DD8- Little Buffalo C,e k�Dei iv era bl e, �Calrvl ation ,�H &H�HYDRO�WORKSHEETSWNALY51S3 dfRCN -EX.x6 15 of 15

APPENDIX C: Watershed Lag Time and Time of
Concentration Calculations

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -1
total contour length, C (Ft) =
98189.52
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
22753794.72
Average watershed slope, Y ( %) =
8.63
watershed hydraulic length, I (Ft)=
8297.60
Weighted CN (Dimensionless) =
70.00
Time of Concentration, Tc (Hours)
1.31
Time of Concentration, Tc (Minutes)
78.44
Watershed Lag Time, TL (Minutes)
47.07
(0.6 *Tj

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -2
total contour length, C (Ft) =
66281.62
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
11580583.53
Average watershed slope, Y ( %) =
11.45
watershed hydraulic length, I (Ft)=
6099.48
Weighted CN (Dimensionless) =
65.00
Time of Concentration, Tc (Hours)
1.01
Time of Concentration, Tc (Minutes)
60.78
Watershed Lag Time, TL (Minutes)
36.47
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -3
total contour length, C (Ft) =
28930.78
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
3841129.13
Average watershed slope, Y ( %) =
15.06
watershed hydraulic length, I (Ft)=
3509.25
Weighted CN (Dimensionless) =
58.00
Time of Concentration, Tc (Hours)
0.68
Time of Concentration, Tc (Minutes)
40.71
Watershed Lag Time, TL (Minutes)
24.42
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -3A
total contour length, C (Ft) =
20427.58
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
4838696.36
Average watershed slope, Y ( %) =
8.44
watershed hydraulic length, I (Ft)=
6161.76
Weighted CN (Dimensionless) =
69.00
Time of Concentration, Tc (Hours)
1.07
Time of Concentration, Tc (Minutes)
64.21
Watershed Lag Time, TL (Minutes)
38.53
(0.6 *Tc)

WATERSHED LAG
TIME CALCULATIONS
SUB -AREA NUMBER
SUB -4
total contour length, C (Ft) =
56620.45
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
12311878.99
Average watershed slope, Y ( %) =
9.20
watershed hydraulic length, I (Ft)=
6258.00
Weighted CN (Dimensionless) =
74.00
Time of Concentration, Tc (Hours)
0.90
Time of Concentration, Tc (Minutes)
54.29
Watershed Lag Time, TL (Minutes)
32.57
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -5
total contour length, C (Ft) =
76290.6806
contour interval, I (Ft)
20
Drainage area, A (Sq.Ft) =
10026217.06
Average watershed slope, Y ( %) =
15.22
watershed hydraulic length, I (Ft)=
7191.86
Weighted CN (Dimensionless) =
69
Time of Concentration, Tc (Hours)
0.90
Time of Concentration, Tc (Minutes)
54.12
Watershed Lag Time, TL (Minutes)
32.47
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -5A
total contour length, C (Ft) =
11603.90
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
3412497.50
Average watershed slope, Y ( %) =
6.80
watershed hydraulic length, I (Ft)=
6829.54
Weighted CN (Dimensionless) =
69.00
Time of Concentration, Tc (Hours)
1.29
Time of Concentration, Tc (Minutes)
77.68
Watershed Lag Time, TL (Minutes)
46.61
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -6
total contour length, C (Ft) =
59797.37
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
12270184.78
Average watershed slope, Y ( %) =
9.75
watershed hydraulic length, I (Ft)=
8637.78
Weighted CN (Dimensionless) =
65.00
Time of Concentration, Tc (Hours)
1.45
Time of Concentration, Tc (Minutes)
87.00
Watershed Lag Time, TL (Minutes)
52.20
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -7
total contour length, C (Ft) =
6466.06
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
1087484.57
Average watershed slope, Y ( %) =
11.89
watershed hydraulic length, I (Ft)=
2052.77
Weighted CN (Dimensionless) =
62.00
Time of Concentration, Tc (Hours)
0.45
Time of Concentration, Tc (Minutes)
26.95
Watershed Lag Time, TL (Minutes)
16.17
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -7A
total contour length, C (Ft) =
1210.57
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
379273.05
Average watershed slope, Y ( %) =
6.38
watershed hydraulic length, I (Ft)=
1442.02
Weighted CN (Dimensionless) =
82.00
Time of Concentration, Tc (Hours)
0.26
Time of Concentration, Tc (Minutes)
15.81
Watershed Lag Time, TL (Minutes)
9.49
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -8
total contour length, C (Ft) =
35909.77
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
9115103.55
Average watershed slope, Y ( %) =
7.88
watershed hydraulic length, I (Ft)=
7098.37
Weighted CN (Dimensionless) =
67.00
Time of Concentration, Tc (Hours)
1.31
Time of Concentration, Tc (Minutes)
78.49
Watershed Lag Time, TL (Minutes)
47.10
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -9
total contour length, C (Ft) =
59663.16
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
11514139.70
Average watershed slope, Y ( %) =
10.36
watershed hydraulic length, I (Ft)=
6399.65
Weighted CN (Dimensionless) =
68.00
Time of Concentration, Tc (Hours)
1.02
Time of Concentration, Tc (Minutes)
61.35
Watershed Lag Time, TL (Minutes)
36.81
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -9A
total contour length, C (Ft) =
3789.05
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
649740.40
Average watershed slope, Y ( %) =
11.66
watershed hydraulic length, I (Ft)=
2374.57
Weighted CN (Dimensionless) =
71.00
Time of Concentration, Tc (Hours)
0.40
Time of Concentration, Tc (Minutes)
24.14
Watershed Lag Time, TL (Minutes)
14.48
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -913
total contour length, C (Ft) =
4407.92
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
1990520.39
Average watershed slope, Y ( %) =
4.43
watershed hydraulic length, I (Ft)=
2750.50
Weighted CN (Dimensionless) =
80.00
Time of Concentration, Tc (Hours)
0.57
Time of Concentration, Tc (Minutes)
33.92
Watershed Lag Time, TL (Minutes)
20.35
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -9C
total contour length, C (Ft) =
6788.04
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
2623135.26
Average watershed slope, Y ( %) =
5.18
watershed hydraulic length, I (Ft)=
3871.68
Weighted CN (Dimensionless) =
78.00
Time of Concentration, Tc (Hours)
0.73
Time of Concentration, Tc (Minutes)
43.86
Watershed Lag Time, TL (Minutes)
26.32
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -9D
total contour length, C (Ft) =
8497.13
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
3286019.25
Average watershed slope, Y ( %) =
5.17
watershed hydraulic length, I (Ft)=
5317.00
Weighted CN (Dimensionless) =
79.00
Time of Concentration, Tc (Hours)
0.91
Time of Concentration, Tc (Minutes)
54.86
Watershed Lag Time, TL (Minutes)
32.92
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -9E
total contour length, C (Ft) =
40222.61
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
7494223.71
Average watershed slope, Y ( %) =
10.73
watershed hydraulic length, I (Ft)=
5247.63
Weighted CN (Dimensionless) =
74.00
Time of Concentration, Tc (Hours)
0.73
Time of Concentration, Tc (Minutes)
43.65
Watershed Lag Time, TL (Minutes)
26.19
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -10
total contour length, C (Ft) =
243977.39
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
53435661.84
Average watershed slope, Y ( %) =
9.13
watershed hydraulic length, I (Ft)=
13559.06
Weighted CN (Dimensionless) =
69.00
Time of Concentration, Tc (Hours)
1.93
Time of Concentration, Tc (Minutes)
116.04
Watershed Lag Time, TL (Minutes)
69.62
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -10A
total contour length, C (Ft) =
30689.94
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
5734662.48
Average watershed slope, Y ( %) =
10.70
watershed hydraulic length, I (Ft)=
5952.11
Weighted CN (Dimensionless) =
75.00
Time of Concentration, Tc (Hours)
0.78
Time of Concentration, Tc (Minutes)
46.99
Watershed Lag Time, TL (Minutes)
28.19
(0.6 *Tc)

WATERSHED LAG TIME CALCULATIONS
SUB -AREA NUMBER
SUB -11
total contour length, C (Ft) =
5420.67
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
1278396.60
Average watershed slope, Y ( %) =
8.48
watershed hydraulic length, I (Ft)=
2438.02
Weighted CN (Dimensionless) =
72.00
Time of Concentration, Tc (Hours)
0.47
Time of Concentration, Tc (Minutes)
28.13
Watershed Lag Time, TL (Minutes)
16.88
(0.6 *Tc)

WATERSHED LAG TIME
CALCULATIONS
SUB -AREA NUMBER
SUB -11A
total contour length, C (Ft) =
1164.45
contour interval, I (Ft)
20.00
Drainage area, A (Sq.Ft) =
363215.87
Average watershed slope, Y ( %) =
6.41
watershed hydraulic length, I (Ft)=
1149.13
Weighted CN (Dimensionless) =
80.00
Time of Concentration, Tc (Hours)
0.23
Time of Concentration, Tc (Minutes)
14.02
Watershed Lag Time, TL (Minutes)
8.41
(0.6 *Tc)

APPENDIX D: Hydrologic Reach Routing Calculations

HYDROLOGIC
REACH LENGTH
CALCULATIONS
Reach Location
POI -1 to POI -2
POI -2 to 130I -3
130I -3 to 130I -4
130I -4 to POI -5
POI -5 to 130I -6
130I -6 to 130I -7
130I -7 to 130I -8
Reach Length (Ft)
2504.46
4568.61
912.18
1496.37
962.03
3588.25
232.22
Upstream Invert Elevation (Ft)
671.00
658.60
633.53
629.59
623.98
620.50
605.33
Downstream Invert Elevation (Ft)
658.60
633.53
629.59
623.98
620.50
605.33
605.30
Reach Slope (Ft /Ft)
1 0.0050
0.0055
0.0043
0.0037
0.0036
0.0042
0.0001
V:� Operations �121�1008 -Little Buffalo Creek�Deliverables�Calculations�H& H�HYDRO�WORKSHEETS�ANALYSIS3 _af�Reach Lengths and Slopes.xlsx

APPENDIX E: 1.5 Year 24 -Hour Precipitation Depth
Calculations

1.5 Year 24 Hour Precipitation Depth Calculations
Selected Precipitation Values by Recurrence Intervals (from NOAA)
Frequency
Probability ( %)
24 -Hr Precipitation Depths
(inches)
1 -Year
100
2.87
2 -Year
50
3.47
5 -Year
20
4.35
10 -Year
10
5.04
25 -Year
4
5.98
50 -Year
2
6.73
100 -Year
1
7.50
200-Year
0.5
8.29
500-Year
0.2
9.36
1000-Year
0.1
10.22
24 -Hr Precipitation Depth Estimate (See Attached Logarithmic Plot)
Frequency
Probability ( %)
24 -Hr Precipitation Depths
(inches)
1.5 -Year
66.7
1.00
1.5 -Year
66.7
3.25
V. lOperationsV2111008 - Little Buffalo CreeklD eliverableslCalculationsH& HIHYDROIWORKSHEETSIANALYSIS3 _aA1.5YR_PRECIP LOG- LOG.xls

100.00
N
N
t
V
C
t
Q
N
D
C
O
O
Q
d
10.00
L
CL
L
O
M
4
N
1 -Yr =2.87 in
1.00
1.5 Year 24 -Hour Precipitation Depth Estimate
100 10 1 0.1
0
° Probability ( %)
100- Yr =7.5
1000 -Yr
=10.22 in
in
50 -Yr =6.73 in
200 -Yr =8.29 in
500 -Yr =9.36 in
10 -Yr =5.04
5 -Yr =4.35 in
in
77
1.5
-Yr
=3.25
in
25
-Yr =5.98 in
2 -Yr
=3.47
in
100 10 1 0.1
0
° Probability ( %)

APPENDIX F: HEGHMS Peak Flows Summary

LITTLE BUFFALO CREEK - EXISTING CONDITIONS FLOW SUMMARY -1.5 YEAR
CONTRIBUTING
HYDROLOGIC ELEMENT
DRAINAGE
AREA (MI2)
PEAK
DISCCFSRGE
VOLUME
(IN)
SUB -1
0.816
181.30
0.86
SUB -2
0.415
71.30
0.62
P01-1
1.231
248.90
0.78
P0I -1 TO P0I -2
1.231
247.80
0.78
SUB -4
0.442
171.80
1.07
SUB -3A
0.174
38.90
0.81
SUB -3
0.138
12.80
0.36
P01-2
1.985
425.40
0.82
P0I -2 TO P0I -3
1.985
422.20
0.82
SUB -6
0.440
58.50
0.62
SUB -5
0.360
96.90
0.81
SUB -5A
0.122
25.20
0.81
P01-3
2.907
568.30
0.79
P0I -3 TO P0I -4
2.907
567.20
0.79
SUB -8
0.327
56.50
0.71
SUB -7
0.039
8.50
0.50
SUB -7A
0.014
18.00
1.58
P01-4
3.287
626.70
0.78
P0I -4 TO P0I -5
3.287
624.00
0.78
SUB -9
0.413
93.20
0.76
SUB -913
0.071
54.40
1.44
SUB -9A
0.023
12.70
0.91
P01-5
3.794
705.70
0.79
P0I -5 TO P0I -6
3.794
703.70
0.79
SUB -9C
0.094
54.30
1.31
P01-6
3.888
722.70
0.80
P0I -6 TO P0I -7
3.888
717.30
0.80
SUB -10
1.710
262.20
0.81
SUB -9E
0.269
122.30
1.07
SUB -10A
0.206
94.80
1.13
SUB -9D
0.118
61.50
1.37
P01-7
6.191
1068.50
0.84
P0I -7 TO P0I -8
6.191
1062.40
0.84
SUB -11
0.046
24.70
0.96
SUB -11A
0.013
15.90
1.44
P01-8
6.250
1067.10
0.84
V.10perations112111008 - Little Buffalo
CreeklDeliverablesICalculationsH &HHYDROHYDROLOGIC MODELIEXISTING FLOW SUMMARY.xlsx

LITTLE BUFFALO CREEK - EXISTING CONDITIONS FLOW SUMMARY - 2 YEAR
CONTRIBUTING
HYDROLOGIC ELEMENT
DRAINAGE
AREA (MI2)
PEAK
DISCCFSRGE
VOLUME
(IN)
SUB -1
0.816
214.70
0.99
SUB -2
0.415
87.80
0.74
P01-1
1.231
297.80
0.90
P0I -1 TO P0I -2
1.231
296.50
0.90
SUB -4
0.442
198.70
1.22
SUB -3A
0.174
46.40
0.94
SUB -3
0.138
17.40
0.44
P01-2
1.985
507.10
0.94
P0I -2 TO P0I -3
1.985
503.30
0.94
SUB -6
0.440
71.80
0.74
SUB -5
0.360
115.60
0.94
SUB -5A
0.122
30.00
0.94
P01-3
2.907
680.70
0.91
P0I -3 TO P0I -4
2.907
679.30
0.91
SUB -8
0.327
68.30
0.83
SUB -7
0.039
10.90
0.60
SUB -7A
0.014
20.10
1.76
P01-4
3.287
751.30
0.90
P0I -4 TO P0I -5
3.287
748.20
0.90
SUB -9
0.413
112.00
0.88
SUB -913
0.071
61.20
1.61
SUB -9A
0.023
14.80
1.04
P01-5
3.794
847.20
0.92
P0I -5 TO P0I -6
3.794
844.70
0.92
SUB -9C
0.094
61.60
1.47
P01-6
3.888
866.90
0.93
P0I -6 TO P0I -7
3.888
860.50
0.93
SUB -10
1.710
311.80
0.94
SUB -9E
0.269
141.40
1.22
SUB -10A
0.206
109.00
1.28
SUB -9D
0.118
69.50
1.54
P01-7
6.191
1276.10
0.97
P0I -7 TO P0I -8
6.191
1269.10
0.97
SUB -11
0.046
28.80
1.10
SUB -11A
0.013
17.80
1.61
P01-8
6.250
1274.50
0.97
V.10perations112111008 - Little Buffalo
CreeklDeliverablesICalculationsH &HHYDROHYDROLOGIC MODELIEXISTING FLOW SUMMARY.xlsx

LITTLE BUFFALO CREEK - EXISTING CONDITIONS FLOW SUMMARY - 5 YEAR
CONTRIBUTING
HYDROLOGIC ELEMENT
DRAINAGE
AREA (MI2)
PEAK
DISCCFSRGE
VOLUME
(IN)
SUB -1
0.816
362.00
1.57
SUB -2
0.415
164.70
1.24
P01-1
1.231
517.20
1.46
P0I -1 TO P0I -2
1.231
515.00
1.46
SUB -4
0.442
314.10
1.86
SUB -3A
0.174
79.70
1.50
SUB -3
0.138
41.80
0.83
P01-2
1.985
872.80
1.51
P0I -2 TO P0I -3
1.985
866.50
1.51
SUB -6
0.440
133.90
1.24
SUB -5
0.360
198.70
1.50
SUB -5A
0.122
51.60
1.50
P01-3
2.907
1190.00
1.46
P0I -3 TO P0I -4
2.907
1187.30
1.46
SUB -8
0.327
122.00
1.37
SUB -7
0.039
22.20
1.05
SUB -7A
0.014
28.50
2.50
P01-4
3.287
1316.60
1.45
P0I -4 TO P0I -5
3.287
1311.10
1.45
SUB -9
0.413
196.40
1.43
SUB -913
0.071
89.60
2.33
SUB -9A
0.023
24.30
1.64
P01-5
3.794
1493.00
1.47
P0I -5 TO P0I -6
3.794
1488.30
1.47
SUB -9C
0.094
92.40
2.17
P01-6
3.888
1525.60
1.49
P0I -6 TO P0I -7
3.888
1513.40
1.48
SUB -10
1.710
534.10
1.50
SUB -9E
0.269
223.00
1.86
SUB -10A
0.206
169.80
1.93
SUB -9D
0.118
103.20
2.25
P01-7
6.191
2216.10
1.53
P0I -7 TO P0I -8
6.191
2204.00
1.53
SUB -11
0.046
46.50
1.71
SUB-11A
0.013
25.90
2.33
P01-8
6.250
2212.60
1.54
V.10perations112111008 - Little Buffalo
CreeklDeliverablesICalculationsH &HHYDROHYDROLOGIC MODELIEXISTING FLOW SUMMARY.xlsx

LITTLE BUFFALO CREEK - EXISTING CONDITIONS FLOW SUMMARY -100 YEAR
CONTRIBUTING
HYDROLOGIC ELEMENT
DRAINAGE
AREA (MI2)
PEAK
DISCCFSRGE
VOLUME
(IN)
SUB -1
0.816
989.30
4.04
SUB -2
0.415
517.40
3.49
P01-1
1.231
1476.10
3.85
P0I -1 TO P0I -2
1.231
1470.10
3.85
SUB -4
0.442
781.10
4.48
SUB -3A
0.174
223.30
3.93
SUB -3
0.138
173.70
2.76
P01-2
1.985
2461.60
3.92
P0I -2 TO P0I -3
1.985
2445.90
3.92
SUB -6
0.440
420.90
3.49
SUB -5
0.360
555.00
3.93
SUB -5A
0.122
144.60
3.93
P01-3
2.907
3435.20
3.86
P0I -3 TO P0I -4
2.907
3428.30
3.86
SUB -8
0.327
361.20
3.71
SUB -7
0.039
75.80
3.17
SUB -7A
0.014
59.90
5.39
P01-4
3.287
3813.60
3.84
P0I -4 TO P0I -5
3.287
3798.30
3.84
SUB -9
0.413
564.40
3.82
SUB -913
0.071
197.30
5.16
SUB -9A
0.023
63.30
4.15
P01-5
3.794
4356.40
3.86
P0I -5 TO P0I -6
3.794
4342.90
3.86
SUB -9C
0.094
211.80
4.93
P01-6
3.888
4445.00
3.89
P0I -6 TO P0I -7
3.888
4412.50
3.89
SUB -10
1.710
1498.70
3.93
SUB -9E
0.269
553.20
4.48
SUB -10A
0.206
412.90
4.59
SUB -9D
0.118
232.70
5.04
P01-7
6.191
6341.10
3.97
P0I -7 TO P0I -8
6.191
6310.30
3.97
SUB -11
0.046
119.10
4.26
SUB -11A
0.013
56.00
5.16
P01-8
6.250
6333.00
3.97
V.10perations112111008 - Little Buffalo
CreeklDeliverablesICalculationsH &HHYDROHYDROLOGIC MODELIEXISTING FLOW SUMMARY.xlsx

APPENDIX G: Peak Flows for HEGRAS Hydraulic Analysis

LITTLE BUFFALO CREEK - HEC -RAS LOADING POINTS SUMMARY
River Reach Name
Reach
Number
River Station
Number
100 -Year
Discharge
(CFS)
5 -Year
Discharge
(CFS)
2 -Year
Discharge
(CFS)
1.5 -Year
Discharge
(CFS)
HEC -HMS CONTRIBUTING
HYDROLOGIC ELEMENTS
LBC Main Stream
1
6
3161.20
1123.10
652.70
547.50
POI -2 +SUB -5 +SUB -5A
LBC Main Stream
1
2.5
1 3570.90
1240.70
711.70
594.80
POI-3 + SUB-7A + SUB-7
LBC Main Stream
2
3
4074.20
1430.50
827.30
693.80
POI -4 +SUB -9A +SUB -913
LBC Main Stream
4
2
4356.40
1493.00
847.20
705.70
POI -5
LBC Main Stream
3
5
5230.90
1851.80
1077.80
906.50
POI -6 +SUB -91D +SUB -9E
LBC Main Stream
5
2 (4 *)
6333.00
2212.60
1274.50
1067.10
POI -8
LBC Trib 1
1
2
361.20
122.00
68.30
56.50
SUB -8
LBC Trib 2
1
6
211.80
92.40
61.60
54.30
SUB -9C
LBC Trib 3
1
3
564.40
196.40
112.00
93.20
SUB -9
LBC Trib 4
1
4
1498.70
534.10
311.80
262.20
SUB -10
LBC Trib 5
1
5
412.90
169.80
109.00
94.80
SUB -10A
LBC Trib 6
1
1(4 *)
1911.60
703.90
420.80
357.00
SUB-10 + SUB-10A
* The proposed condition river station name for the cross - section.
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRO LOG I C_M ODE L\H EC-RAS LOADING POINTS.xlsx

APPENDIX H: HEGRAS Computed Water Surface
Elevations and Flow Velocities Summary

HEC -RAS Computed Water Surface Elevation and Velocity Summary for Work Area 1
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in Water
Surface Elevation
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 1 River Station 4.9 (Cross - section Upstream of Realigned Channel of proposed project reach)
100 -Year Storm
647.96
648.1
0.14
3.96
3.99
0.03
5 -Year Storm
645.2
644.87
-0.33
3.73
4.53
0.8
2 -Year Storm
643.94
643.6
-0.34
3.69
4.53
0.84
1.5 -Year Storm
643.6
643.28
-0.32
3.58
4.46
0.88
Main -Reach 1 River Station 4.8 (Cross - section Upstream of Realigned Channel of proposed project reach)
100 -Year Storm
646.62
645.92
-0.7
10.76
14.6
3.84
5 -Year Storm
644.81
644.13
-0.68
6.01
8.42
2.41
2 -Year Storm
643.67
643.02
-0.65
5.07
7.24
2.17
1.5 -Year Storm
643.34
642.71
-0.63
4.74
6.97
2.23
Main -Reach 1 River Station 4.7 (Cross - section Upstream of Realigned Channel of proposed project reach)
100 -Year Storm
646.86
646.8
-0.06
5.83
5.65
-0.18
5 -Year Storm
644.78
644.1
-0.68
5.2
6.89
1.69
2 -Year Storm
643.56
642.96
-0.6
4.84
5.5
0.66
1.5 -Year Storm
643.25
642.65
-0.6
4.47
5.18
0.71
Main -Reach 1 River Station 4.6 (Cross- section 11+16 of proposed project reach)
100 -Year Storm
646.5
646.55
0.05
7.15
5.85
-1.3
5 -Year Storm
643.55
643.92
0.37
9.14
4.91
-4.23
2 -Year Storm
642.62
642.78
0.16
7.52
3.96
-3.56
1.5 -Year Storm
642.33
642.46
0.13
7.16
3.72
-3.44
Main -Reach 1 River Station 4 (Cross - section 11+73 of proposed project reach)
100 -Year Storm
646.48
646.48
0
6.19
5.32
-0.87
5 -Year Storm
643.81
643.86
0.05
6.09
4.17
-1.92
2 -Year Storm
642.71
642.7
-0.01
5.39
3.45
-1.94
1.5 -Year Storm
642.42
642.37
-0.05
4.99
3.27
-1.72
Main -Reach 1 River Station 3.8 (Cross- section 13+41 of proposed project reach)
100 -Year Storm
646.43
646.36
-0.07
4.2
3.85
-0.35
5 -Year Storm
643.81
643.76
-0.05
3.49
2.7
-0.79
2 -Year Storm
642.65
642.58
-0.07
3.23
2.24
-0.99
1.5 -Year Storm
642.32
642.25
-0.07
3.19
2.12
-1.07
Main -Reach 1 River Station 3.7 (Cross- section 13+90 of proposed project reach)
100 -Year Storm
645.68
646.29
0.61
8.41
8.6
0.19
5 -Year Storm
643
643.7
0.7
6.91
7.23
0.32
2 -Year Storm
642.12
642.53
0.41
5.15
5.33
0.18
1.5 -Year Storm
641.85
642.2
0.35
4.71
4.86
0.15
Main -Reach 1 River Station 3.6 (Cross- section 14+40 of proposed project reach)
100 -Year Storm
646.35
645.66
-0.69
4.45
4.23
-0.22
5 -Year Storm
643.75
643.01
-0.74
3.46
3.05
-0.41
2 -Year Storm
642.6
642.13
-0.47
3.06
2.51
-0.55
1.5 -Year Storm
642.27
641.86
-0.41
2.93
2.36
-0.57
Main -Reach 1 River Station 3 (Downstream of Realigned Channel of proposed project reach)
100 -Year Storm
645.21
645.21
0
2.41
2.41
0
5 -Year Storm
641.47
641.47
0
3
3
0
2 -Year Storm
639.87
639.87
0
3.64
3.64
0
1.5 -Year Storm
639.49
639.49
0
3.65
3.65
0
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

HEC -RAS Computed Water Surface Elevation and Velocity Summary for Work Area 2
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in Water
Surface Elevation
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 2 River Station 3 (Cross - section Upstream of Realigned Channel of proposed project reach)
100 -Year Storm
638.06
638.06
0
8.12
8.11
-0.01
5 -Year Storm
636.24
636.24
0
5.65
5.66
0.01
2 -Year Storm
635.36
635.34
-0.02
4.55
4.57
0.02
1.5 -Year Storm
635.1
635.08
-0.02
4.21
4.24
0.03
Main -Reach 2 River Station 2 (Cross - section 10+05 of proposed project reach)
100 -Year Storm
635.76
635.38
-0.38
7.01
9.22
2.21
5 -Year Storm
634.31
633.75
-0.56
5.26
5.6
0.34
2 -Year Storm
633.64
632.94
-0.7
4.38
3.92
-0.46
1.5 -Year Storm
633.42
632.66
-0.76
4.09
3.57
-0.52
Main -Reach 2 River Station 1.5 (Cross- section 11+08 of proposed project reach)
100 -Year Storm
635.32
634.97
-0.35
8.02
8.88
0.86
5 -Year Storm
633.93
633.51
-0.42
6.13
5.35
-0.78
2 -Year Storm
633.27
632.78
-0.49
5.13
3.86
-1.27
1.5 -Year Storm
633.03
632.51
-0.52
4.93
3.47
-1.46
Main -Reach 2 River Station 1.3 (Cross- section 12+60 of proposed project reach)
100 -Year Storm
634.54
634.51
-0.03
8.45
7.32
-1.13
5 -Year Storm
633.09
633.15
0.06
7.74
5.07
-2.67
2 -Year Storm
632.4
632.49
0.09
7.07
3.93
-3.14
1.5 -Year Storm
632.18
632.25
0.07
6.63
3.62
-3.01
Main -Reach 2 River Station 1(Downstream of Realigned Channel of proposed project reach)
100 -Year Storm
634.43
634.42
-0.01
5.55
5.56
0.01
5 -Year Storm
633.12
633.11
-0.01
3.81
3.82
0.01
2 -Year Storm
632.42
632.41
-0.01
3.52
3.54
0.02
1.5 -Year Storm
632.15
632.14
-0.01
3.63
3.66
0.03
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

HEC -RAS Computed Water Surface Elevation and Velocity Summary for Work Area 3
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in Water
Surface Elevation
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
LBC 4 River Station 3 (Cross- section Upstream of Realigned Channel of proposed project reach)
100 -Year Storm
624.82
624.82
0
4.32
4.32
0
5 -Year Storm
621.89
621.89
0
2.83
2.83
0
2 -Year Storm
620.06
620.06
0
2.83
2.83
0
1.5 -Year Storm
619.59
619.59
0
2.85
2.85
0
LBC 4 River Station 2.9 (Cross- section 10 +03 of proposed project reach)
100 -Year Storm
619.86
619.86
0
6.47
6.47
0
5 -Year Storm
618.32
618.35
0.03
5.31
5.25
-0.06
2 -Year Storm
617.9
617.88
-0.02
3.52
3.55
0.03
1.5 -Year Storm
617.65
617.69
0.04
3.23
3.18
-0.05
LBC 4 River Station 2 (Cross- section 10 +59 of proposed project reach)
100 -Year Storm
619.22
619.19
-0.03
3.84
3.06
-0.78
5 -Year Storm
618.36
618.38
0.02
3.06
2.52
-0.54
2 -Year Storm
617.81
617.75
-0.06
3.32
3.34
0.02
1.5 -Year Storm
617.46
617.5
0.04
3.72
3.57
-0.15
LBC 4River Station 1.8 (Cross- section 12 +52 of proposed project reach)
100 -Year Storm
618.37
618.48
0.11
7.34
5.97
-1.37
5 -Year Storm
617.77
617.08
-0.69
5.36
5.82
0.46
2 -Year Storm
616.76
616.54
-0.22
6.18
4.28
-1.9
1.5 -Year Storm
616.49
616.38
-0.11
5.75
3.89
-1.86
LBC 4 River Station 1.7 (Cross- section 14+20 of proposed project reach)
100 -Year Storm
617.74
617.7
-0.04
6.72
5.51
-1.21
5 -Year Storm
616.6
616.67
0.07
6.85
3.38
-3.47
2 -Year Storm
615.78
616.2
0.42
6.47
2.49
-3.98
1.5 -Year Storm
615.47
616.05
0.58
6.22
2.24
-3.98
LBC 4 River Station 1.5 (Cross- section 16 +37 of proposed project reach)
100 -Year Storm
617.13
617.21
0.08
4.97
4.19
-0.78
5 -Year Storm
615.67
616.33
0.66
5.49
2.34
-3.15
2 -Year Storm
614.98
615.94
0.96
4.87
1.7
-3.17
1.5 -Year Storm
614.5
615.81
1.31
5.03
1.53
-3.5
LBC 4 River Station 1.3 (Cross- section 17 +12 of proposed project reach)
100 -Year Storm
617.03
616.6
-0.43
4.77
7.91
3.14
5 -Year Storm
615.2
615.83
0.63
5.9
6.16
0.26
2 -Year Storm
614.87
615.42
0.55
4.12
5.69
1.57
1.5 -Year Storm
614.34
615.34
1
4.28
5.29
1.01
LBC 6 River Station 3 (Cross- section 18 +78 of proposed project reach)
100 -Year Storm
616.91
616.64
-0.27
3.74
2.37
-1.37
5 -Year Storm
614.97
614.72
-0.25
4.2
7.32
3.12
2 -Year Storm
614.76
614.55
-0.21
2.85
5.81
2.96
1.5 -Year Storm
614.14
614.48
0.34
3.21
5.6
2.39
LBC 6 River Station 2 (Cross- section 19 +47 of proposed project reach)
100 -Year Storm
616.91
616.63
-0.28
2.71
1.64
-1.07
5 -Year Storm
614.94
614.78
-0.16
3.2
2.23
-0.97
2 -Year Storm
614.75
614.27
-0.48
2.18
1.07
-1.11
1.5 -Year Storm
614.09
613.65
-0.44
2.67
0.84
-1.83
LBC 6 River Station 1.5 (Cross- section 20 +00 of proposed project reach)
100 -Year Storm
616.94
616.62
-0.32
1.52
1.17
-0.35
5 -Year Storm
614.96
614.67
-0.29
2.44
2.13
-0.31
2 -Year Storm
614.75
614.18
-0.57
1.91
1.03
-0.88
1.5 -Year Storm
613.97
613.42
-0.55
3.53
0.79
-2.74
LBC 6 River Station 1 (Cross- section 21 +56 of proposed project reach)
100 -Year Storm
616.9
616.61
-0.29
1.99
0.94
-1.05
5 -Year Storm
614.92
614.67
-0.25
1.96
0.8
-1.16
2 -Year Storm
614.73
614.23
-0.5
1.33
0.59
-0.74
1.5 -Year Storm
614.01
613.57
-0.44
1.7
0.63
-1.07
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

HEC -RAS Computed Water Surface Elevation and Velocity Summary for Work Area 4
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in Water
Surface Elevation
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 4 River Station 1.2 (Cross- section 25 ft. Upstream of Restored Channel of proposed project reach)
100 -Year Storm
630.35
629.6
-0.75
4.64
6.24
1.6
5 -Year Storm
628.51
627.73
-0.78
3.33
5.02
1.69
2 -Year Storm
627.74
626.95
-0.79
2.89
5.23
2.34
1.5 -Year Storm
627.44
626.62
-0.82
2.98
5.62
2.64
Main -Reach 4 River Station 1.1
100 -Year Storm
630.24
629.43
-0.81
6.05
6.33
0.28
5 -Year Storm
628.39
627.29
-1.1
4.54
6.37
1.83
2 -Year Storm
627.61
626.55
-1.06
4.08
5.7
1.62
1.5 -Year Storm
627.29
626.34
-0.95
4.14
5.25
1.11
Main -Reach 4 River Station 1
100 -Year Storm
629.19
629.43
0.24
11.53
5.49
-6.04
5 -Year Storm
627.72
627.38
-0.34
8.09
4.42
-3.67
2 -Year Storm
626.8
626.67
-0.13
7.83
3.62
-4.21
1.5 -Year Storm
626.41
626.42
0.01
7.92
3.44
-4.48
Main -Reach 4 River Station 0.9
100 -Year Storm
629.26
629.29
0.03
7
5.11
-1.89
5 -Year Storm
627.05
627.2
0.15
7.45
4.31
-3.14
2 -Year Storm
626.32
626.54
0.22
6.87
3.36
-3.51
1.5 -Year Storm
626.06
626.3
0.24
6.81
3.14
-3.67
Main -Reach 4 River Station 0.5
100 -Year Storm
629.17
629.21
0.04
6.18
5.01
-1.17
5 -Year Storm
626.87
627.01
0.14
6.36
4.99
-1.37
2 -Year Storm
626.17
626.33
0.16
5.57
4.31
-1.26
1.5 -Year Storm
625.93
626.07
0.14
5.34
4.22
-1.12
Main -Reach 4 River Station 0.1 (Cross-section 21 ft. Downstream of Restored Channel of proposed project reach)
100 -Year Storm
629.17
629.17
0
5.06
5.06
0
5 -Year Storm
626.79
626.78
-0.01
6.03
6
-0.03
2 -Year Storm
626.01
626.01
0
5.8
5.75
-0.05
1.5 -Year Storm
625.8
625.81
0.01
5.41
5.37
-0.04
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

HEC -RAS Computed Water Surface Elevation and Velocity Summary for Wooden Bridge on Old Mine Road
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in W
Surface Elevati ater on
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 1 River Station 2.5 (Upstream Bounding Cross - section)
100 -Year Storm
645.04
645.04
0
4.69
4.69
0
5 -Year Storm
640.93
640.93
0
6.05
6.05
0
2 -Year Storm
639.34
639.34
0
5.49
5.49
0
1.5 -Year Storm
638.98
638.98
0
5.27
5.27
0
Main -Reach 1 River Station 2 (Downstream Bounding Cross - section)
100 -Year Storm
642.7
642.7
0
7.74
7.74
0
5 -Year Storm
639.82
639.82
0
6.25
6.25
0
2 -Year Storm
638.48
638.48
0
5.34
5.34
0
1.5 -Year Storm
638.09
638.1
0.01
5.02
5.01
-0.01
HEC -RAS Computed Water Surface Elevation for Two 8.5' CMP Culverts along Old Mine Road (Upstream of
Work Area 3)
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in W
Surface Elevati ater on
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
LBC Trib 4 River Station 3 (Upstream Bounding Cross - section)
100 -Year Storm
624.82
624.82
0
4.32
4.32
0
5 -Year Storm
621.89
621.89
0
2.83
2.83
0
2 -Year Storm
620.06
620.06
0
2.83
2.83
0
1.5 -Year Storm
619.59
619.59
0
2.85
2.85
0
LBC Trib 4 River Station 2.9 (Downstream Bounding Cross - section)
100 -Year Storm
619.86
619.86
0
6.47
6.47
0
5 -Year Storm
618.32
618.35
0.03
5.31
5.25
-0.06
2 -Year Storm
617.9
617.88
-0.02
3.52
3.55
0.03
1.5 -Year Storm
617.65
617.69
0.04
3.23
3.18
-0.05
HEC -RAS Computed Water Surface Elevation for 72 "x108" CMP Culvert along Old Mine Road (Upstream of
Work Area 3)
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in W
Surface Elevati ater on
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
LBC Trib 5 River Station 4 (Upstream Bounding Cross - section)
100 -Year Storm
624.68
624.68
0
3.22
3.22
0
5 -Year Storm
622.31
622.31
0
4.68
4.68
0
2 -Year Storm
621.29
621.29
0
4.47
4.47
0
1.5 -Year Storm
621.06
621.06
0
4.31
4.31
0
LBC Trib 5 River Station 3 (Downstream Bounding Cross - section)
100 -Year Storm
622.49
622.49
0
10.96
10.96
0
5 -Year Storm
620.8
620.8
0
8.24
8.24
0
2 -Year Storm
620.69
620.69
0
5.57
5.57
0
1.5 -Year Storm
620.57
620.57
0
5.15
5.15
0
HEC -RAS Computed Water Surface Elevation for two 92 "x138" CMP Culverts along Kluttz Road Downstream
of Project Site
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in W
Surface Elevati ater on
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 5 River Station 1.9 (Upstream Bounding Cross - section)
100 -Year Storm
615.67
615.67
0
4.7
4.7
0
5 -Year Storm
614.01
614.01
0
2.5
2.5
0
2 -Year Storm
613.51
613.51
0
5.06
5.06
0
1.5 -Year Storm
612.85
612.85
0
4.57
4.57
0
Main -Reach 5 River Station 1 (Downstream Bounding Cross - section)
100 -Year Storm
613.01
613.01
0
7.87
7.87
0
5 -Year Storm
609.34
609.34
0
9.75
9.75
0
2 -Year Storm
607.79
607.79
0
8.26
8.26
0
1.5 -Year Storm
607.38
607.38
0
7.81
7.81
0
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

HEC -RAS Computed Water Surface Elevation and Velocity Summary Upstream and Downstream of Overall
Project Site
Existing and Proposed Conditions
Storm Frequency
Existing Condition
Water Surface
Elevation
Proposed
Condition Water
Surface Elevation
Difference in Water
Surface Elevation
(Proposed minus
Existing)
Existing
Condition
Velocity
Proposed
Condition
Velocity
Velocity Difference
(Proposed minus
Existing)
(ft, NAVD 1988)
(ft, NAVD 1988)
(ft)
ft/sec
ft/sec
ft/sec
Main -Reach 1 River Station 6 (Most Upstream Cross - section of Overall Project Site
100 -Year Storm
651.12
651.13
0.01
6.39
6.38
-0.01
5 -Year Storm
648.66
648.66
0
5.08
5.09
0.01
2 -Year Storm
647.67
647.67
0
4.18
4.18
0
1.5 -Year Storm
647.38
647.38
0
3.99
3.99
0
Main -Reach 5 River Station 1(Most Downstream Cross - section of Overall Project Site
100 -Year Storm
613.01
613.01
0
7.87
7.87
0
5 -Year Storm
609.34
609.34
0
9.75
9.75
0
2 -Year Storm
607.79
607.79
0
8.26
8.26
0
1.5 -Year Storm
607.38
607.38
0
7.81
7.81
0
V: \Operations \121 \1008 - Little Buffalo Creek\ Deliverables\ Calculations \H &H \HYDRO \HYDRAULIC MODEL \W.S Elevations_FINAL_031213.xlsx

APPENDIX I: Maps and Exhibits

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LEGEND
HEC -RAS CROSS SECTION LOCATION
PROPOSED STREAM ALIGNMENT
SURVEYED CONTOURS PROVIDED
BY GEODATA CORP (MAY 26, 2010)
1 -FOOT CONTOURS GENERATED FROM
1/9 ARC - SECOND DIGITAL ELEVATION
MODEL (DEM) DATA
lim
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0 200 400 600
SCALE IN FEET
1 " = 200'
0
r�
EXISTING CULVERTS /BRIDGES
Q
WOODEN BRIDGE STRUCTURE
O7 TWO 8.5' CMP CULVERT
Q
52"
CMP CULVERT
® 72" X 105" CMP CULVERT
24"
RCP CULVERT
Q9 TWO 92 "X138" CMP CULVERTS
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County Name
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CABARRUS CO. ZONING
ZONING CODE
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ROWAN CO. ZONING
ZONING CODE
CBI
IND
NB
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Residential Zoning Districts
AO-AGRICULTURAL/OPEN SPACE
Due to physical characteristics such as soil type, topography, etc.,
this district should remain agrarian.To a lesser degree, these
are also those lands which are conducive to providing recreationally
oriented open space. These land areas should remain the farmland
and undeveloped forested land of the County.
Public utilities will not be planned for these areas.
CR- COUNTRYSIDE RESIDENTIAL
Comprised of land having a strong rural, pastoral feel. Natural
environmental elements such as tree lines, small ponds, rock
formations, and manmade elements such as pasture fencing are
to be retained, if at all possible. Development only includes
standard single family detached dwelling.
LDR- LOW DENSITY RESIDENTIAL
Intended to promote development with a low density feel. This
district allows conventional, open space and amenity subdivisions.
These zones are located where public utilities either are available
or are envisioned available within the next two to five years.
MDR- MEDIUM DENSITY RESIDENTIAL
Intended to permit development with a moderately high density
community character. This district allows open space and amenity
subdivisions. These zones are located where public utilities
either are available or are envisioned available within the next ten
years. These districts are located adjacent to municipalities.
- HDR- HIGH DENSITY RESIDENTIAL
Intended to allow for a wide range of residential uses and will be the
primary location for multifamily development. This district allows
amenity and open space subdivisions. This district is typically
located near muncipal boundary lines and are adjacent to mixed
use areas. Both water and sewer are available and transportation
networks are capable of supporting high density development.
Non - Residential Zoning Districts
OI- OFFICE /INSTITUTIONAL
Intended to accomodate relatively low intensity office and
institutional uses at an intensity complementary to residential land
use. Where appropriate, this district can serve as a transition
between residential land use and higher intensity non - residential
land use.
LC- LIMITED COMMERCIAL
Intended to accomodate relatively small scale commercial and
office development at an intensity complementary to residential
land use.
E GC- GENERAL COMMERCIAL
Provides location for large scale commercial activities. The zone will
accomodate a wide variety of office, retail, and lodging land uses.
It may border the other less intense commercial zone or either of the
two industrial zones. It may border a high intensity residential zone,
but must have the proper buffers.
LI- LIGHT INDUSTRIAL
Provides for both large and small scale industrial and office
development. The primary distinguishing feature is that it is geared
towards indoor industrial activities which do not generate high levels
of noise, soot, odors, or orther potential nuisances /pollutants for
impacting adjoining properties. It is located within the county where
proper infrastructure is provided.
GI- GENERAL INDUSTRIAL
While this zone permits both large and small scale industrial /office
development, its primary purpose is to provide a clocation for large
scale development. It is designed to permit a wide variety of
industrial uses which may occur both indoors and outdoors,
including land uses which are permitted in no other zoning district
between of their potential to create nuisances for adjoining
properties.
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Cabarrus County
Zoning Districts
Cabarrus County shall not be held liable for any errors in these data.
This includes errors of omission, commission, errors concerning the
content of the data, and relative and positional accuracy of the data.
These data cannot be construed to be a legal document . Primary
sources from which these data were compiled must be consulted for
verification of information contained in in the data.
Map Prepared by Cabarrus County Planning Services, December 2005.
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Cabarrus County
Zoning Districts
Cabarrus County shall not be held liable for any errors in these data.
This includes errors of omission, commission, errors concerning the
content of the data, and relative and positional accuracy of the data.
These data cannot be construed to be a legal document . Primary
sources from which these data were compiled must be consulted for
verification of information contained in in the data.
Map Prepared by Cabarrus County Planning Services, December 2005.

General zoning districts (Per Section 21 -32)
(a) Rural Agricultural, RA. This district is developed to provide for a minimum level of land use
regulations appropriate for outlying areas of the county. These outlying areas typically
consist of rural single - family housing, larger tracts of land used for agriculture or in fields and
forest land, with some nonresidential uses intermingled. Multifamily uses are discouraged in
this district. This district would provide for protection from the most intensive land uses while
containing provisions for a variety of less intensive land uses. It is the intent of this district to
rely upon development standards to protect residences from potential adverse impacts of
allowed nonresidential uses. The most intensive land uses would not be allowed in this
district.
(b) Rural Residential, RR. This zoning district is comprised of areas of the county in which
moderate levels of single - family housing has occurred or is occurring. In this district,
agricultural uses have been replaced to a significant degree with single - family housing. The
regulations in this district are intended to provide a land owner with an opportunity to
engage in limited business or commercial activities. Multifamily uses are not allowed.
(c) Residential Suburban, RS. The purpose of this zoning district is to protect existing residential
neighborhoods and promote the creation of more residential neighborhoods. These areas are
typically near major thoroughfares and have or could be provided significant infrastructure.
Commercial uses, business uses and multifamily uses are generally not allowed.
(d) Multifamily Residential, MFR. This district is intended to allow for a wide range of residential
uses and will be the primary location for multifamily development. This district will typically
be located near arterials or collectors. The development of multifamily developments within
this district cannot be predetermined and cannot be adequately controlled by general district
standards. Therefore specific development proposals for multifamily developments in this
district shall be reviewed and approved by the board of commissioners. Approval of the site
plan may include the addition of fair and reasonable standards to the site plan. No other uses
allowed in the MFR district shall require site plan approval by the board of commissioners
unless expressly required by this chapter. Additional approval standards for multifamily
residential developments are listed in article III. The requirements of this district shall not
apply to duplexes on individual lots but shall apply to multiple duplexes on an individual lot.
(e) Manufactured Home Park, MHP.
(1) This district is established in order to provide for the proper location and planning of
manufactured home parks, excluding family manufactured home parks. Special
requirements shall be applied to these parks which shall specify improvements to the
park to ensure the public health, safety and welfare of the park inhabitants as well as
the surrounding area. Designation of an area as being in the MHP district provides
design and appearance criteria which are more appropriate for rental manufactured
housing and /or spaces, including vinyl or similar skirting, clustering of units and
reduced road construction standards. These standards are not applicable to
manufactured homes and /or lots located outside a MHP district. This district requires
site plan review for development of manufactured home parks by the board of
commissioners. This review is required because the use may have particular impacts
on the surrounding area and the county as a whole. Approval of the site plan may
include the addition of fair and reasonable standards to the site plan. No other uses
allowed in the MHP district shall require site plan approval by the board of
commissioner unless expressly required by this chapter.
(2) Manufactured home parks, existing at the effective date of this chapter and registered

as provided by the county mobile home park ordinance are zoned as conforming uses,
even though they may not meet the development standards of this chapter.
Expansions of the existing registered manufactured home parks or construction of
new manufactured home parks, approved under the county mobile home park
ordinance may be initiated or continue unless no work has begun within six (6)
months of the date of issuance of a "permit to develop" under that ordinance, or work
has ceased for a period of twelve (12) months.
(3) Other manufactured home parks, which meet the intent of this section by having
improvements similar to the requirements of this chapter may also be zoned as
conforming uses. However, all expansions of any manufactured home park, existing at
the effective date of this chapter shall meet all requirements of this chapter unless
expressly provided otherwise. Development standards for a manufactured home park
are listed in article III.
(f) Commercial, Business, Industrial, CBI. This zone allows for a wide range of commercial,
business and light industrial activities which provide goods and services. This district is
typically for more densely developed suburban areas, major transportation corridors, and
major cross -roads communities. However this district may also exist or be created in an area
other than listed in this subsection if the existing or proposed development is compatible with
the surrounding area and the overall public good is served.
(g) Industrial, IND. This district is intended to provide for industrial activities involving
extraction, manufacturing, processing, assembling, storage, and distribution of products. The
district is also designed to accommodate other, more intense nonresidential uses which
generate adverse side effects such as noise, odor or dust. The district is typically applied in
areas with maximum accessibility to major highways, rail lines, and other significant
transportation systems. However this district may also exist or be created in an area other
than listed in this subsection if the existing or proposed development is compatible with the
surrounding area and the overall public good is served.
(h) Neighborhood Business, NB. This district is designed for retail, limited small manufacturing
facilities and service oriented business centers which serve small trading areas. As a result
the list of allowed uses is more limited than those in the CBI district. The development
standards for these business areas are designed to promote sound, permanent business
development and to protect abutting and surrounding residential areas from undesirable
aspects of nearby commercial development. This district is also designed to provide
opportunities for potential development within the NB district.
Areas zoned NB shall be so located as to conveniently serve the community population. The
establishment and subsequent development of this district shall not create or expand
problems associated with traffic volumes or circulation. As the district is established to
provide for small neighborhood oriented business areas limitations on gross floor area is
established. Limitations on total impervious surface are established to minimize the adverse
impacts of this type of development on adjacent residential areas. Generally, the NB district
shall be two (2) acres or larger. However a lot of record, smaller than two (2) acres may be
considered for rezoning to NB if the owner of the lot does not own adjacent property which
may be included in the rezoning request.
(i) Institutional, INST. The purpose of the Institutional district is to recognize and permit the
creation of defined areas for the unified and orderly development of major cultural,
educational, medical, governmental, religious and other institutions in order to support and
enhance their benefits to the community in a manner which protects adjacent residential
uses. Trade school facilities teaching a trade, for example truck driving or welding, which
have that activity on site, shall meet zoning requirements for that use.

Economic development districts established for I -85 (Per section 21 -34)
(a) The following districts are hereby established to preserve, encourage and enhance the
economic development opportunities in areas adjacent and near I -85 in accordance to plans
adopted by the county board of commissioners. It is recognized that I -85 is uniquely
important in the future of the county because of the great potential for development of all
types that exist along this corridor. Development within these districts shall be of types which
maximize the economic benefits to the county while minimizing the potential impacts.
(b) The district are designed to accommodate, as appropriate, uses such as manufacturing,
distribution, retail, service industries, corporate parks. Certain individual uses may be allowed
as uses by right in some districts, while other more intensive uses may require a higher level
of review and approval by the county. The districts encourage and allow more creative
design of land development than may be provided on other general zoning districts. This
flexibility is provided for planned unit developments.
(c) The district are labeled as 85 -ED 1 through 4. "85" represents the relationship to I -85. "ED"
represents the economic development designation for the sites.
(1) 85 -ED -1. The purpose of the 85 -ED -1 district is to encourage the location of "high
capital investment /high wage /low employment /clean" industries. Certain industries shall
be allowed as permitted uses standards provided to protect adjacent neighborhoods.
Other heavy industries may be allowed as conditional uses. If part of a larger master
plan limited accessory and ancillary retail and service uses may be allowed.
a. In the 85 -ED -1 district the following uses are permitted by right with a minimum lot
size of five (5) acres:
Manufacturing group:
Printing and publishing (SIC 27).
Rubber and miscellaneous plastics products (SIC 30).
Fabricated metal products (SIC 34), except:
Ammunition, except for small arms (SIC 3483).
Ordnance and accessories (SIC 3489).
Industrial machinery and equipment (SIC 35).
Electrical and electronic equipment (SIC 36), except:
Power distribution and specialty transformers (SIC 3612).
Transportation equipment (SIC 37).
Instruments and related products (SIC 38).
Miscellaneous manufacturing industries (SIC 39).
b. The following are allowed with the issuance of a conditional use permit:
Manufacturing group:
Lumber and wood products (SIC 24).
Furniture and fixtures (SIC 25).
Plastic materials, synthetic resins, etc. (SIC 282).

Drugs (SIC 283).
Paper and allied products (SIC 26).
Stone, clay, glass, and concrete products (SIC 32).
Primary metal industries (SIC 33).
Services group:
Racing, including track operation (SIC 7948).
c. Approval of a PUD with a minimum lot size of twenty (20) acres will allow the above
uses in addition to accessory and ancillary uses on up to ten (10) percent of the total
acreage.
Transportation, communication, and utilities group:
Local and interurban passenger transit (SIC 41).
Transportation services (SIC 47).
Retail trade group:
General merchandise stores (SIC 53).
Food stores (SIC 54).
Eating and drinking places (SIC 58).
Miscellaneous retail (SIC 59).
Finance, insurance, and real estate group:
Depository institutions (SIC 60).
Service industries group:
Hotels, rooming houses, camps, and other lodging places (SIC 70).
Personal services (SIC 72).
Business services (SIC 73).
Automotive repair, services, and parking (SIC 75).
(2)85 -ED -2. In areas where existing conditions such as surrounding development, access
etc. may make the area less marketable for uses listed exclusively in the 85 -ED -1 district
then the 85 -ED -2 district may be appropriate. The primary additions to this district are
distribution and wholesaling operations.
a. Certain industries shall be allowed as permitted uses with standards provided to
protect adjacent neighborhoods. Other heavy industries and distribution and
wholesale operations may be allowed as conditional uses. If part of a larger master
plan limited accessory and ancillary retail and service uses may be allowed.
Manufacturing group:
Printing and publishing (SIC 27).
Rubber and miscellaneous plastics products (SIC 30).
Fabricated metal products (SIC 34), except:

Ammunition, except for small arms (SIC 3483).
Ordnance and accessories (SIC 3489).
Industrial machinery and equipment (SIC 35).
Electrical and electronic equipment (SIC 36), except:
Power distribution and specialty transformers (SIC 3612).
Transportation equipment (SIC 37).
Instruments and related products (SIC 38).
Miscellaneous manufacturing industries (SIC 39).
Service industries group:
Engineering and management services (SIC 87).
b. The following are allowed with the issuance of a conditional use permit:
Manufacturing group:
Lumber and wood products (SIC 24).
Furniture and fixtures (SIC 25).
Plastic materials, synthetic resins, etc. (SIC 282).
Drugs (SIC 283).
Paper and allied products (SIC 26).
Stone, clay, glass, and concrete products (SIC 32).
Primary metal industries (SIC 33).
Transportation, communication, and utilities group:
Local and interurban passenger transit (SIC 41).
Motor freight transportation and warehousing (SIC 42).
Transportation services (SIC 47).
Wholesale trade group:
Wholesale trade -- durable goods (SIC 50).
Wholesale trade -- nondurable goods (SIC 51).
Services group:
Racing, including track operation (SIC 7948).
c. Approval of a PUD with a minimum lot size of twenty (20) acres will allow the above
uses in addition to accessory and ancillary uses on up to ten (10) percent of the total
acreage.
Transportation, communication, and utilities group:
Local and interurban passenger transit (SIC 41).
Transportation services (SIC 47).

Retail trade group:
General merchandise stores (SIC 53).
Food stores (SIC 54).
Eating and drinking places (SIC 58).
Miscellaneous retail (SIC 59).
Finance, insurance, and real estate group:
Depository institutions (SIC 60).
Service industries group:
Hotels, rooming houses, camps, and other lodging places (SIC 70).
Personal services (SIC 72).
Business services (SIC 73).
Automotive repair, services, and parking (SIC 75).
(3) 85 -ED -3 Corporate Park District. Some areas with good interstate visibility, good
access and good surrounding environment may be suitable for high -end corporate
headquarters. This may or may not include manufacturing. The purpose of the district is
to provide for a high - quality mixture of employment uses of varying types in a single
coordinated development. Minimum development size is twenty (20) acres and will
require approval of a PUD.
a. Allowed primary uses are:
Manufacturing group:
Lumber and wood products (SIC 24).
Furniture and fixtures (SIC 25).
Paper and allied products (SIC 26).
Printing and publishing (SIC 27).
Plastic materials, synthetic resins, etc. (SIC 282).
Drugs (SIC 283).
Rubber and miscellaneous plastics products (SIC 30).
Stone, clay, glass, and concrete products (SIC 32).
Primary metal industries (SIC 33).
Fabricated metal products (SIC 34), except:
Ammunition, except for small arms (SIC 3483).
Ordnance and accessories (SIC 3489).
Industrial machinery and equipment (SIC 35).
Electrical and electronic equipment (SIC 36), except:
Power distribution and specialty transformers (SIC 3612).

Transportation equipment (SIC 37).
Instruments and related products (SIC 38).
Miscellaneous manufacturing industries (SIC 39).
Transportation, communication, and utilities group:
Local and interurban passenger transit (SIC 41).
Motor freight transportation and warehousing (SIC 42).
Transportation services (SIC 47).
Service industries group:
Hotels, rooming houses, camps, and other lodging places (SIC 70).
Personal services (SIC 72).
Business services (SIC 73).
Automotive repair, services, and parking (SIC 75).
Health services (SIC 80).
Legal services (SIC 81).
Educational services (SIC 82).
Membership organizations (SIC 86).
Engineering and management services (SIC 87).
b. Allowed accessory and ancillary uses on up to twenty (20) percent of the total
acreage:
Transportation, communication, and utilities group:
Local and interurban passenger transit (SIC 41).
Transportation services (SIC 47).
Wholesale trade group:
Wholesale trade -- durable goods (SIC 50).
Wholesale trade -- nondurable goods (SIC 51).
Retail trade group:
General merchandise stores (SIC 53).
Food stores (SIC 54).
Eating and drinking places (SIC 58).
Miscellaneous retail (SIC 59).
Finance, insurance, and real estate group:
Depository institutions (SIC 60).
Service industries group:
Hotels, rooming houses, camps, and other lodging places (SIC 70).

Personal services (SIC 72).
Business services (SIC 73).
Automotive repair, services, and parking (SIC 75).
(4) 85 -ED -4 Retail Center. Many areas near the interstate will draw interest from
retailers. It is often appropriate or desirable to have a portion of an area zoned for larger
retail development. This helps ensure availability of most retail and service needs in a
location nearby and accessible to major employment and residential areas. Minimum
development size is twenty (20) acres and will require approval of a PUD.
a. Allowed primary and accessory uses are:
Retail trade group:
Building materials, hardware, garden supply, and mobile (SIC 52).
General merchandise stores (SIC 53).
Food stores (SIC 54).
Automotive dealers and gasoline service stations (SIC 55).
Apparel and accessory stores (SIC 56).
Furniture, home furnishings and equipment stores (SIC 57).
Eating and drinking places (SIC 58).
Miscellaneous retail (SIC 59).
Finance, insurance, and real estate group:
Depository institutions (SIC 60).
Nondepository credit institutions (SIC 61).
Security, commodity brokers, and services (SIC 62).
Insurance carriers (SIC 63).
Insurance agents, brokers, and service (SIC 64).
Real estate (SIC 65).
Holding and other investment offices (SIC 67).
Service industries group:
Hotels, rooming houses, camps, and other lodging places (SIC 70).
Personal services (SIC 72).
Business services (SIC 73).
Automotive repair, services, and parking (SIC 75).
Miscellaneous repair services (SIC 76).
Motion pictures (SIC 78).
Amusement and recreational services (SIC 79).
Health services (SIC 80).
Legal services (SIC 81).
Educational services (SIC 82).

Social services (SIC 83).
Museums, art galleries, botanical and zoological garden (SIC 84).
Membership organizations (SIC 86).
Engineering and management services (SIC 87).
Miscellaneous services (SIC 89).
(5) Approval process for PUDs. All PUDs shall be reviewed and approved as required for
conditional use permits in article III of this chapter. Uses included in PUDs which require
conditional use approval as freestanding uses shall not require separate a separate
conditional use permit approval if approved as part of a PUD.
(6) Other zoning criteria. Notwithstanding limits on reduction of setbacks in article XIII of
this chapter, all standards are subject to modification in site plan approval process.
However, in no situation shall the required buffer from project perimeter be reduced if
adjacent to a residentially zoned area.
a. Buffers. Forty (40) feet from project perimeter.
b. Screening. In accordance with article IX, screening for a PUD shall be determined
using the predominant use of the PUD or relevant portion thereof.
c. Street frontage. Minimum of one hundred (100) feet for development.
d. Maximum lot coverage. Eighty (80) percent of lot area.
e. Development size. Development sizes are as permitted below. Permitted and
conditional uses on lots five (5) acres or more but less than twenty (20) acres in size
are only allowed on lots of record existing at the effective date of the ordinance from
which this chapter derives, or on aggregations of lots existing at the effective date of
the ordinance, creating a lot five (5) acres or larger in size.
1. 85- -ED -1.
Permitted used .............. ............................... 5 acres
Conditional uses ............. ............................... 5 acres
PUDs......................... ............................... 20 acres
2. 85- -ED -2.
Permitted used .............. ............................... 5 acres
Conditional uses ............ ............................... 5 acres
PUDs......................... ............................... 20 acres
3. 85- -ED -3.
PUDs......................... ............................... 20 acres
4. 85- -ED -3.
PUDs......................... ............................... 20 acres
f. Subdivision requirements. All subdivisions of property must be approved as a PUD.
g. Maximum bui lding height. No maximum height.
h. Parking. As required in zoning ordinance.
i. Signs. As provided in zoning ordinance.

Circulation system. Requires access to major or minor thoroughfare or interstate
service road. No access to local streets is allowed. Interior streets are designed to
connect to other adjoining property within a 85 -ED district. This requirement may be
waived if it is found that connection to adjoining property is not appropriate due to
incompatibility of adjacent development.
k. Nuisance conditions The project shall no cause detrimental levels of noise, dust,
odor etc. to nearby areas.
Loading, maintenance and outdoor storage areas. All loading, maintenance and
outdoor storage areas shall be located to the rear or side of the building, but shall
not face a side street.
m. Open space. Open space shall be suitably landscaped with grass and /or trees and
shrubs. Within a PUD the open space shall be pedestrian oriented. Parking or
vehicular access is not allowed.
n. Lighting. Lighting shall be provided at intersections, along walkways and in parking
lots. The maximum height of lighting is twenty -five (25) feet. Spacing of lighting shall
be four (4) times the height.
o. Bui lding character and sty /e. Building designs within a PUD shall strive to establish a
distinctive style and maintain a high quality development standard. Buildings should
include similar architectural styles but should not be identical throughout the
development. The site plan shall at a minimum describe building materials colors and
architectural features of the development.
p. Pedestrian facilities and design. Within a PUD, the site plan shall provide for a unified
and well- organized arrangement of buildings, service areas, parking, etc., to provide
a high level of convenience and safety for pedestrians, employees, and visitors.
q. Landscaping. Approval of PUD shall include at a minimum the following:
1. Trees shall be planted on both sides of interior access streets used by the public.
These trees shall be ten (10) feet tall at planting and a minimum of twenty (20)
feet tall at maturation, and shall be of similar size and shape. The trees shall be
planted no further than forty (40) feet apart.
2. Entranceways and medians shall be landscaped with trees and /or shrubs as
appropriate for the type of development.

APPENDIX 9
EEP FLOODPLAIN REQUIREMENTS CHECKLIST

r
En�ia°ncement
PROGRAM
EEP Floodplain Requirements Checklist
This form was developed by the National Flood Insurance program, NC Floodplain
Mapping program and Ecosystem Enhancement Program to be filled for all EEP projects.
The form is intended to summarize the floodplain requirements during the design phase
of the projects. The form should be submitted to the Local Floodplain Administrator with
three copies submitted to NFIP (attn. Edward Curtis), NC Floodplain Mapping Unit (attn.
John Gerber) and NC Ecosystem Enhancement Program.
Project Location
Name of project:
Little Buffalo Creek (Stream Restoration)
Name if stream or feature:
Little Buffalo Creek
ounty:
Cabarrus

Name of river basin:
Yadkin
Is project urban or rural?
Rural
Name of Jurisdictional
unicipality /county:
Gold Hill
DFIRM panel number for
entire site:
3710568200J (11/05/08)
onsultant name:
The Louis Berger Group, Inc.
Phone number:
919.866.4400
ddress:
1001 Wade Avenue —Suite 400
Raleigh, NC 27605

Design Information
Provide a general description of project (one paragraph). Include project limits on a
reference orthophotograph at a scale of 1" = 500 ".
Summarize stream reaches or wetland areas according to their restoration priority.
See attached Restoration Plan.
Floodplain Information
Is project located in a Special Flood Hazard Area (SFHA)?
Yes E No
If project is located in a SFHA, check how it was determined:
Redelineation
Detailed Study
F Limited Detail Study

F- Approximate Study
F Don't know
List flood zone designation:
Check if applies:
F,/- AE Zone
Floodway
Non - Encroachment
None
F A Zone
Local Setbacks Required
[] No Local Setbacks Required
If local setbacks are required, list how many feet:
Does proposed channel boundary encroach outside floodway /non-
ncroachment /setbacks?

Yes E No
Land Acquisition (Check)
* State owned (fee simple)
* Conservation easment (Design Bid Build)
* Conservation Easement (Full Delivery Project)
Note: if the project property is state - owned, then all requirements should be
addressed to the Department of Administration, State Construction Office (attn-.
Herbert Neily, (919) 807 -4101)
Is community /county participating in the NFIP program?
U Yes E No
Note: if community is not participating, then all requirements should be addressed
to NFIP (attn: Edward Curtis, (919) 715 -8000 x369)
Name of Local Floodplain Administrator: Robbie Fox
Phone Number: (704) 920 -2138

Floodplain Requirements
This section to be filled by designer /applicant following verification with the LFPA
%o No Action
F No Rise
F Letter of Map Revision
r- Conditional Letter of Map Revision
F Other Requirements
ist other requirements:
Name: Edward Samanns Signature:
Title: Director of Environmental Sciences Date: April 5, 2013

APPENDIX 10
BENTHOS SURVEY RESULTS

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Appendix 10 Table 1: Benthos Survey Results
Little Buffalo Creek Stream Mitigation Project
EE P Project No. 94147
1.1.1. SPECIES
T.V.
F.F.G.
UT7
LBC
LBC
Restoration
Reference
NEMATODA
6
1
MOLLUSCA
Bivalvia
Veneroida
Sphaeriidae
FC
Pisidium sp.
6.5
FC
1
Gastro oda
Basommatophora
Physidae
Physella sp.
8.8
CG
32
1
ANNELIDA
Oli ochaeta
Tubificida
Naididae
Dero sp.
10
CG
2
1
Tubificidae w.o.h.c.
7.1
CG
1
7
2
ARTHROPODA
Crustacea
Cladocera
Daphnidae
Cerioda hnia sp.
1
Deca oda
Cambaridae
7.5
1
1
Cambarus sp.
7.6
CG
1
Procambarus sp.
7
SH
2
Insecta
Collembola
2
E hemero tera
Heptageniidae
Stenonema femoratum
7.2
SC
4
Odonata
Calopterygidae
Calopteryx sp.
7.8
P
2
Coenagrionidae
Enallagma sp.
8.9
P
1
Libellulidae
Perithemis tenera
9.9
P
1
Hemi tera
Belostomatidae
Belostoma sp.
9.8
P
1
Corixidae
9
1
1
Final Little Buffalo Creek Stream Mitigation Plan Appendix 10

The Louis Berger Group, Inc. Little Buffalo Creek Stream Mitigation Site
EEP Project Number 94147
Appendix 10 Table 1: Benthos Survey Results
Little Buffalo Creek Stream Mitigation Project
EE P Project No. 94147
Vehidae
Microvelia sp.
P
1
Me alo tera
Coiydandae
P
Ni ronia serricornis
5
P
1
Sialidae
P
Sialis sp.
7.2
P
4
Coleo tera
Cucurlionidae
1
Dytiscidae
Neoporus sp.
8.6
1
1
Elmidae
CG
Stenelmis sp.
5.1
SC
3
Di tera
Ceratopogonidae
1
1
Chironomidae
Ablabesmyia mallochi
7.2
P
4
Chironomus sp.
9.6
CG
100
239
49
Concha elo is sp.
8.4
P
27
Cryptochironomus sp.
6.4
P
6
Goeldichironomus sp.
CG
1
6
Microtendipes pedellus gp.
5.5
CG
5
Natarsia sp.
10
P
2
2
Parachironomus sp.
9.4
P
1
1
Paratanytarsus sp.
8.5
CG
1
Polypedilum flavum (convictum)
4.9
SH
11
Polypedilum illinoense
9
SC
2
17
Polypedilum scalaenum
8.4
7
Procladius sp.
9.1
P
2
1
Tanytarsus sp.
6.8
FC
6
36
Culicidae
29
14
1
Anopheles sp.
8.6
FC
1
1
Culex sp.
10
FC
8
46
2
Sciomyzidae
1
Tipulidae
SH
Hexatoma sp.
4.3
P
2
TOTAL NO. OF ORGANISMS
181
329
202
TOTAL NO. OF SPECIES
14
15
34
EPT
0
0
1
BIOTIC INDEX assigned values
1
9.05
1 9.14
1 7.59
*North Carolina Tolerance Values (T.V.) range from 0 for organisms very intolerant of organic wastes to 10 for organisms very
tolerant of organic wastes
*F.F.G.- Functional Feeding Group: CG= Collector /Gatherer, FC= Filtering /Collectors, SC= Scrapers, SH= Shredders, P= Predators
and PI= Piercer
Final Little Buffalo Creek Stream Mitigation Plan Appendix 10

APPENDIX 11
AGENCY CORESPONDENCE

o stem
E a me n t
PROGRAM
March 23, 2010
Mr. Michael O'Rourke
The Louis Berger Group, Inc.
1001 Wade Avenue, Suite 400
Raleigh, North Carolina 27605
Subject: Categorical Exclusion Form for
Little Buffalo Creek — Full Delivery Project
Yadkin River Basin — CU# 03040105
Cabarrus County
Contract No. 002029
Dear Mr. O'Rourke:
Attached please find the approved Categorical Exclusion Form for the subject full delivery
project. Please include a copy of the signed form in your Restoration Plan. You may submit an
invoice in the amount of $ 92,550.00 (5% of contract) for completion of the Task 1 deliverable.
If you have any questions, or wish to discuss this matter further, please contact me at any time. I
can be reached at (919) 715 -1656, or email me at guy. earce ncmail.net.
Sincerely,
Guy C. Pearce
EEP Full Delivery Program Supervisor
cc: file
R-ff Pro tectr,�t� oar It, & �� NR
North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 21699 -1652 / 919 -115 -0416 / www.nceep.net

Appendix A
Categorical Exclusion Form for Ecosystem Enhancement
Program Projects
Version 1.4
Note: Only Appendix A should to be submitted (along with any supporting documentation) as the
environmental document.
ro ect Name:
ounty Name:
EP Number:
ro'ect Sponsor:
ro'ect Contact Name:
:o'ect Contact Address:
'o'ect Contact E -mail:
-P Project Manager:
Reviewed By:
f i7lc�
Date
Conditional Approved By:
Date
Little Buffalo Creek Stream Restoration
Cabarrus County
NCDBNR Contract # 2029
The Louis Berger Group
Michael O'Rourke, The Louis Berger Group
1001 Wade Avenue Suite 400, Raleigh, NC 27605
mo r o u r ke@ I e u is be rg a r.c o m
Guy Pearce
❑ Check this box if there are outstanding issues
Final Approval By:
ct Manager
For Division Administrator
FHWA
Gz-
For Division Administrator
FHWA
6 Version 1.4, 8118105

'l,*rl��iJ� '�2f! • ,l'�li
North Carolina Department of Cultural. Resources
State Historic Preservation Office
Peter B. Sandheck, Administrator
Beverly Eaves Perdue, Governor Office of Archives and History
Linda A. Carlisle, Secretary Division of l- listorical Resources
Jeffrey J. Crow, Deputy Secretary David Brook, Director
February 3, 2010
Eric Voigt
The Louis Berger Group, Inc.
801 East Main Street
Suite 500
Richmond, VA 23219
Re: Little Buffalo Creek Stream Mitigation, Cabarrus County, ER 10 -0183
Dear Mr. Voigt:
Thank you for your letter of January 22, 2010, concerning the above project.
We have conducted a review of the project and are aware of no historic resources which would be affected by
the project. Therefore, we have no comment on the project as proposed.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
please contact Renee Gledhill - Earley, environmental review coordinator, at 919 - 807 -6579. In all future
communication concerning this project, please cite the above -- referenced tracking number.
Location: 109 East ones Street, Raleigh NC 27601 Mailing Address: 4617 Mail Service Center, Raleigh NC 27699 -4617 Telephone /Fax: [phone] -6599

THE LOUIS BERGER GROUP, INC.
1001 Wade Ave. Raleigh, North Carolina 27605
Tel [phone] Fax [phone] www.louisberger.com
Marella Buncick November 16, 2009
US Fish and Wildlife Service
Asheville Field Office
160 ZilIicoa Field Office
Asheville, NC 28801
Subject: EEP Stream Restoration Project in Cabarrus County,
Yadkin -Pee Dee River Basin 03040105
Dear Ms. Buncick,
The Little Buffalo Creek Stream Mitigation Project is an EEP Full Delivery Project. The Little
Buffalo Creek Stream Mitigation Site has been identified for the purpose of providing in -kind
mitigation for unavoidable stream channel impacts. Within the proposed project site Little
Buffalo Creek and its tributaries have impaired water quality due to stressors that are biological
(bacteria such as fecal coliform), chemical (fertilizers) and physical (cattle on streambanks and
riparian zone) in origin. Coupled with the poor water quality, the lack of riparian buffers
throughout much of the site has greatly devalued both aquatic and terrestrial habitat.
Additionally, the site has diminished capacity to manage flood flows due to the erosion of, and
damage to, many of the streambanks onsite. The Louis Berger Group (Berger) proposes to
restore, enhance, and preserve up to nearly 14,000 linear feet of stream channel along Little
Buffalo Creek and its tributaries. The project will also include the restoration of 50 foot riparian
buffers on both sides Little Buffalo Creek and its tributaries. Anticipated benefits are enhanced
wildlife habitats, improved water quality and improved flood storage along Little Buffalo Creek.
We have already obtained an updated species list for Cabarrus County from your web site
(http://nc-es.fws.gov/es/county&.html). The threatened or endangered species are:
Carolina heelsplitter Lasmigona decorate Historic
Schweinitz's sunflower Helianthus schweinitzii Current
We are requesting that you please provide any known information for each species in the county.
The USFWS will be contacted if suitable habitat for any listed species is found or if we
determine that the project may affect one or more federally listed species or designated critical
habitat.
Please provide comments on any possible issues that might emerge with respect to endangered
species, migratory birds or other trust resources from construction of the stream restoration
project on the subject property. A USGS map showing the approximate property lines and areas
of potential ground disturbance is enclosed.
If we have not heard from you in 30 days we will assume that our species list is correct, that you
do not have any comments regarding associated laws, and that you do not have any information
relevant to this project at the current time.

We thank you in advance for your timely response and cooperation. Please feel free to contact us
with any questions that you may have concerning the extent of site disturbance associated with
this project.
Sincerely,
Tina Sekula
Senior Environmental Scientist
Louis Berger Group, Inc.
1001 Wade Avenue, Suite 400
Raleigh, NC 27605
cc: Michael O'Rourke (Berger)
Guy Pearce (NCEEP)

APPENDIX 12
CONSERVATION EASEMENT DOCUMENTATION

IaEel ,011
0 EIP- EXISTING IRON PIPE
0 EIR- EXISTING IRON ROD
OO IPS -IRON PIPE SET
IRS -IRON ROD SET
0
NCGS MONUMENT
Q SURVEY CONTROL
El EGM- EXISTING GRANITE MONUMENT
SQYT.- SQUARE FEET
�O AC.- ACREAGE f /
TOB -TOP OF BANK ! !
N TBM- TEMPORARY BENCH MARK 1! ISENHOUR BRICK J E. LAMAR AND WIFE,
PL-PROPERTY CFN LTNE & TILE CO. INC JAN K. YELTON
CP -COMPUTED UTEDPOINT ISENHOUR BRICK DEED 758 -381 DEED 642 -706
W E --------- PROPOSED/NEW CREEK I &TILE CO., INC PARCEL# 384 001 PARCEL# 384 021
VICINITY MAP: S -- - - - - -- EXISTING CREEK ALIGNMENT DEED 635 -139 J
PARCEL# 385 007
o
\ ° z N: 640,622.58' /
S89 °59'56 "E E: 1,595,316.92
S80 °42'36 „E �1 RD. DISTANC \ 63.3T X E: 16595,437.372'
41,135.01' E) CONTROL 16.68' CE146
3/4 "EIP/
EX.STONE ROWAN COUNTY S89 °51'53 "E 1711.30' (Total APPROXIMATE LOCATION OF COUNTY LINE CORNER S89 °52'13 "E --► 652.00' CE145 ° APPROXIMATE
S89 1928E 583.38 —� — '— OF COUNT
EGM CABARRUS COUNTY 834.23' 1/2 "EIP 60.01' 1/2 "EIP 817.06' N: 640,624.05' 635.32' a� 2.91 7754' E147 462.91' Tie On1
E: 1,594,664.92' ^ry5/ �12o.ar) N85 °46'32 "W 12,521.05'
MONUMENT" HANiEL" (NAD83 -07) CE144 /
(LOCALIZED COORDINATES) CONTROL CORNER (HOR. GRD. DISTANCE)
(LOCALIZED COORDINATES)
N: 647,260.57 N: 640,615.70'
CONTROL CORNER I ham" / E: 1,595,900.25'
E: 1,552,294.78 �^ ;J�, a (NAD 83 -07) NGS HARN °f9
(NAD83 -07) (LOCALIZED COORDINATES)
(NAD83 -07) I I �6°� CE143 rr� CE148 ti MONUMENT "V -49" I` 88�
(GRID COORDINATES) , ^ ' (NAD83 -07)
N: 640,620.02' �r EASEMENT AREA
N: 647,259.1 1' �–„ r �
E: 1,552,300.34' I E : 1,592,890.25' I cElao �1,�13'' 987 =2s ox" �ti o� b (LOCALIZED COORDINATES)
/ 53.27- CE142i S� "PC -3" N: 639,671.23'
(NAD83 -07) I �48CE141/ / hr AREA= 34,174±SQ.FT. D.M.D E: 1;608,686.47
__ . CE149 ^rya 0.7845fACRES D.M.D (NAD83 -07)
(GRID COORDINATES)
�J/ CE151 16a,00' CE15 / N: 639,670.91'
h M E: 1,608,683.71'
N � � S89 °24'15'tiV
`` CE139 rv� �� M //
HAMMILL FARMS INC I I HAMMILL FARMS INC ���� yN w o/ PHILLIP W. CLINE
DEED 455 -238 ( DEED 455 -238 DEED 1852 -332
P1N# 5693372834 I PIN# 5693372834 ^ �i i� M� W l PIN# 5693489101 CLEMENT R. &WIFE,
ti
j N y� ° / M KAY E. HAMMILL
DEED 3655 -206
Nr
.a PIN# 5694703462
CEI3$' CE152 0l
Q6,
�ror l
ISENHOUR BRICK--\ cE153
& TILE COMPANY I I t g._ l0 CE154
DEED 638, -033 /
PIN# 569339875 � CE137
�\ \
EASEMENT AREA �NS1 4965• \� /,
"HF -1” 36' "� // CE155
I AREA= 240,223fSQ.FT. D.M.D CE13 ) P h
5.515+ACRES D.M.D
CE 156 5�
EASEMENT AREA
I l /h`�' ;�,ti�' o , "PC -311
GRID TIE INFORMATION
FROM TO BEARING DISTANCE
NGS MON. "V49" CE 33 S75 017'58 "W 16,160.40'
NGS MON. "V -49" CE 96 S87 °18'56 "W 14,062.29'
UNNAMED
TRIBUTARY 1 P r�°
/ \ 1 CE s' 4
135
SEE SHEET
n
OF 5 MATCHLINE "
rr
NS ET B "
_ _ r SEE SHEET 3 OF 5
SEE I
�CE157
N: 639,074.059'
yq L� Gy��0 \ /ahq � E: 1,594,686.365'
\�
EYROAD� b� CE86 HAMMILL FARMS INC L _ w _� FILED Ma 23, 2012 02:42 m
r CONCRETE BRIDGE \�
Y P FILED
/5e DEED 455 -238 b5hn "; cp> 3 BOOK 00061 CABARRUS
X55 5� CE91 ` r ab. CONTROL CORNER COUNTY NC
�5. PIN# 56933 ; 2834 / % PAGE 0085 THRU 00855
a� h ! CE 91 (LOCALIZED COORDINATES)
CE85 \\ w ��� ^ N: 639,012.59' \� old INSTRUMENT # 12897 LINDA F McA$EE
6 1� REGISTER
E: 1,594,639.61' 0' (117- "!
ST C EXCISE TAX 0.00 OF DEEDS
CE87
CE84 l\ x� r 9 p
cE90 CONSERVATION EASEMENT
I '
CE83` �\ \
�,.
� �,�`� ^� ��� N • ,� ^a �L �p � ��{i SURVEY FOR
CE98 \ THE STATE OF NORTH CAROLINA,
CP ECOSYSTEM ENHANCEMENT PROGRAM:
J s a
IN „g, „— — — —
UNNAMED I I "LITTLE BUFFALO CREEK”
UNNAMED cE82 ° , \��8, N i i N °/ TRIBUTARY I u a y� EEP ID 94147
y� �--
TRIBUTARY 2 W �° ON THE PROPERTY OF
, CE133 ti ob PHILLIP W. & WIFE, ANN C. CLINE,
CE89 CE99
CE o5T5o „Ei HAMMILL FARMS INC, &
132
15 C5y
�� w j Q• ^� 4' O / a' LARRY W. & WIFE PENNY D. HAMMILL
EASEMENT AREA oa'° .a` o cE13a
�� �� h ^�. �/ 5 CE100 �� f CE131 CE130 CE158 g q
HF -1 ,. $ OL CE162 r NEAR GOLD HILL, No. 7 TOWNSHIP,
/ AREA= 595,619±SQ.FT. D.M.D \�Q \` CE88 f� rya • I (D jN\ \° a S76029, Io.s6' CE16o ^�o �` CABARRUS COUNTY, NORTH CAROLINA
13.674±ACRES D.M.D z9 1. w �� h`'i/ ^b o j CS &R �� 6S`6z'fch.jk CE161
R. O - S89°15'00 "E.
6 W - 75.16' Ch.)
25148 A� a:77
979 2 ,. 5 =a�
CEtol I I� �o 39.33�ToW) R-326.92' "' 7,c gOAD SEPI
,C ^^ ,v, CPNv f ( \/^ ENGINEERING &
N77-03 N79 °4p'z7„ �'\ r„��' �+' C O N 5 T R U E T 1 O N
/ CE81 „v 11 q o CE9 32" W 5'
N ry L ss
30 CE96 — CONCRETE BRIDGE 1025 WADE AVENUE
h o`tib " 5524' CE
/ RALEIGH, NORTH CAROLINA 27605
low EASEMENT AREA cE93 2.12, 85 °,236 "w I GRAPHIC SCALE FAX: [phone]
3�, � � N � � TEL: [phone]
CE102 COMPANY LI # 2197
6�' 2 Z 3 "PC -3" CE94 RH 86.92 0 200 400 JOB # SR10.002.00
CE80 yq a AREA =414,292SQ.FT. D.M.D L =3783'
/ /CP o 9.51I±ACRES D.MD Sheet Of AP Frye 1 JED 11 / 1
SCALE I"= 200' Drawn BV Annr BV Date 4 5

E'0\ 1�'
' � J
ROWAN COUNTY /+ I UNNAMED
SITE
8 RUS C UN I / \ \� TRIBUTARY I
CE135
SEE SHEET 4 OF 5
"MATCHLINE" -� � i
s\6
SEE SHEET 3 OF 5 _ ,,� H -, ,.. _ __ . n ._ - 7• 's4 - - - - _ .._ . _
FE- IN
- SET -
OLD MINE ROAD "B - " 6 T
N.C.S.R. 244 ( / �� N ���1 a 3CE157
N: 639,074.059'
E : 1,594,686.365'
DIRT ROAD `
N ` Al, CE86 HAMMILL FARMS INC I_ _ ,w - - CONCRETE BRIDGE \
�J� \ � r ti�e� c, / e� � CONTROL CORNER \ Q�
sDEED 455 -238 a
CE85 �AS�� �\ PIN# 5693372834 CE91 / /CE97 a ¢b/ (LOCALIZED COORDINATES) d
N: 639,012.59'
4' 9pq ��• i W E E: 1,594,639.61'
VICINITY MAP: ti S I \ n'n. a CE87 �a�/ (NAD 83-07)
/ CE84 1 \ CP /
i \vim CE83`•
CE98
c N
CP
[INSET B I
LEGEND szs° UNNAMED w
cEBZ \ N i /,r N y TRIBUTARY l ,h N /CE O EIP- EXISTING IRON PIPE UNNAMED L U TRIBUTARY 2 � `\ \ z i� CE133 4 O EIR- EXISTING IRON ROD u c �CE89 CE99 IPS -IRON PIPE SET �O�O`� �Q \ 6�es 32 75 °STSIRS -IRON ROD SET s �\ e �.Q^ Y t� NGS MONUMENT �9 �.� od� it .� o0 0 CE134 ~'c lk EASEMENT AREA r r SURVEY CONTROL y y ^5f CE100 �� AE131 CE130
HF -1 • y L 2; CE162
O EGM - EXISTING GRANITE MONUMENT /Oti ��� AREA= 595,619±SQ.FT.D.M.D \Iu° \\L CE88 t,�1 btid � _�� \D ' S76` 10.5 CE160
Q' a llYr \a 6562 O E CE161
SQ.FT.- SQUARE FEET /�� 13.674±ACRESD.M.D z,r„ ^�� a/ h// �n / L' ° (Ch. °
y. f SR l�O � 889 °15'00 "E � I
p rf n,0 n6 // 28.77, 75.16' (Ch.) r
AC.- ACREAGE b / ui W -
/ I �\ ,-, a0 ,.399�.�7 R= 326.92' ,y10E159
TOB -TOP OF BANK Z/N CE101 �° o 33'�O�q
TBM- TEMPORARY BENCH MARK 1 CES]
CE9 3 N77 °0-2 „ N7v'aa _
W
PL- PROPERTY LINE R�3ps.23'
CL- CENTERLINE 70` / y orbN!{ y L =sS 45 CE95 CE96 ONCRETE BRIDGE
CP- COMPUTED POINT 6 3p, I� e jy EASEMENT AREA cE93 2.'r cE94 as °12'36 "w
- -- ------ PROPOSED/NEW CREEK ALIGNMENT CE102
� / � � "PC -3" CH= 37.82'
-- - - - - -- EXISTING CREEK ALIGNMENT ~ CE80 y ` 3 Q I R =3i 892'
/ °+ a, AREA= 414,292fS FT. D.M.D
/ JCP o 9.5 11fACRES D.M.D
ryb
L_ — — — — — — — — — — — — — — — — — —
yh `aab q CE103
N: 639,022.75'
CE79 E : 1,594,563.48'
dcp•��� ti, ry�ti �^'
HAMMILL FARMS INC /g \
a CE104 PHILLIP W. CLINE
DEED 455 -238 jvo00
PIN# 5693372834 CE78 163'0T(�'. ! \ p DEED 1852 -332
r , PIN# 5693489101
/ EASEMENT AREA °�o
/
11HF -1”
w
C
IAq CE105 410.00 -
cE76 N UNNAMED
/ N82 °06'01 "E 7ti °5R CE77/ j TRIBUTARY 4 p /
�70� N` „ti CE75 64.7s, � 1” CP / S74 so
/CE58 CE74 22551 N87°27 5 1169 CE106 168.31, 2
l ow S7t °481sT 32`119.64' CP CE1078or�63rF
DIRT ROAD 2666 , \ o h8 CElO — — — —
a 4 CE59 b e Z'-�, q 6746' 970.90' -
2^ CP lcjl a t (TIE ONLY) — — — — — — — o —
2 r CE110 , q' S86 08'54 "W
CES 20-'.3 `���� : CE73 j \ \ 7gss, �� EIR
N6j3s�3 o cm w �yo'aN —� CE112 � /� — 07„WCE109 3
/ 3•• , cEs6 a ° °, o s oy IRA E. McQUEEN
1i 4 7�/If� ,gyp A11� ? Lb� Sp`� p M
CE60 �ry Z/ CE113 S6a3% 166? 2g4, SS�� p (HUSBAND) &
CE72 KATHERINE WAGONER
`N rg8 g, �� CE111 I� MCQUEEN
/ CE55 �9' CE61 CP o 1
1 DEED 462 -102
PIN #5693572113
SO4 004'55 "W
/ EASEMENT ARE EGM 62,77'
„ �� t6CE62 2 ~
/ AREA= 595,619FSQ.FT. D.M.D CE54 2�° rs� \\l' Apr\ CE71� f �� o EGM _
13.674±ACRES D.M.D
-- -- _
CE63 {1 A }o °� cE115 DEED 1852 -332
cE53 r6, \\ ✓ CE70 j�,l 3 PIN# 6693489101 CONSERVATION EASEMENT
Z 1 o
SURVEY FOR
°ir� \•� CE64 s+o h , all f� 3 THE STATE OF NORTH CAROLINA,
I I UNNAMED cE52 �\.\ F `� CE69 H(I i N o ECOSYSTEM ENHANCEMENT PROGRAM:
"� -` N _ "LITTLE BUFFALO CREEK"
/ TRIBUTARY 3 2r, �� �'S�\ bw � � �D � -
CE65
`gip rzp °g1'F CE66 af?�� "` CP N o CHRISTOPHER A. 8� EEP ID 94147
I 8 ��
cE116 WIFE, JOY H. PINTO ON THE PROPERTY OF
. DEED 5613 -001 PHILLIP W. & WIFE, ANN C. CLINE,
7Gb7 - �r CE68�ti5 ti�
I CESl r GE5a �o PIN# 5693561288
A'69° HAMMILL FARMS INC, &
�2•w `�a ° q tcp cE117 LARRY W. & WIFE PENNY D. HAMMILL
HAMMILL FARMS INC 1r
!� CE6 v h 3
a � w � � /li o �, ' NEAR GOLD HILL, No. 7 TOWNSHIP,
1 "EIP CABARRUS COUNTY, NORTH CAROLINA
DEED 455 -238 ��� �, �p �o l
�;
PIN# 5693372834 b�ti 1M // CE118 +
EASEMENT AREA ' cF49�� % \ E E
ENGINEERING 6
I I "HF -1" �" g `� cE119 EASEMENT AREA C N S R U C T I" N
I CE48 w "PC -3" \ 1025 WADE AVENUE
AREA= 414,292-+SQ.FT. D.M.D \ _ RALEIGH, NORTH CAROLINA 27605
v TEL: [phone]
SEE SHEET 3 OF 5 I 9.511 ACRES D.M.D
GRAPHIC SCALE 400
M
HIC
+ 3=
I
O N
FAX' 919-789-9591
b
7
0 200
C
E47 COMPANY LI # 219
JOB # SR10 002 00
SEE SHEET 2 OF 5 Sheet Of
1 g �'' CE120
z � Drawn Rv AnnrnEed Rv 11 /D4/e11
�� ^ cE46 r� SCALE 1" = 200' 3 5
PHILLIP W. CLINE -

SITE
N
Sys W E
VICINITY MAP:
S
LEGEND
O EIP- EXISTING IRON PIPE
O FIR- EXISTING IRON ROD
O IPS -IRON PIPE SET
^ N
V.J I - I �Hn t x K. tJ L/.M_ ." SEE SHEET 3 OF 5 "MATCHLINE" e cEa7
SEE S.HEET _2 . OF 5 -
« .rcxmra -_ r
CE120 \
Imp CE46
z j�P $, 3
tv
EASEMENT AREA �'^ .�'�^ E121 S6$4s46„
I HF -1 CE45 All I CE12\ UNNAMED
TRIBUTARY 5
q /
CE124
/ cFaa !w� �� ° °4 EASEMENT AREA
AREA= 1,243±SQ.FT. D.M.D o q /° C ' „ „ STEVEN A. WHITE
ti CE125 CE123 PC -3 °
_ _ _ _S87 °00'00 "E 0.029±ACRF.S D.M.D N �/ _ s6 " PHILLIP W. CLINE DEED 598 -486
/
�c-P _ _ _ 876.63 C T" _ CE126 DEED 1852 -332 c PIN# 5693454710
— — — / N UNNAMED
PIN# 5693489101
/ CP \ 140 59, ti p CE128 TRIBUTARY 6
J
INSET "A I T � I C c N85 °33' 5�
T --
CE33 CE127 EX.STONE — N88 °2358 "E _
b ti i; SEE / 264.00 MCP
CE34 INSET /
N a
S p99?•
/` P3 I CE31 EIP /
\ ,qb CP p.Ao I �^^ ���Tccl� o� 9(?p�'�8' �I �°
CP �19j 10 9. �� M��� yb AREA= ) ool rn oN
p\ c' 5 4,243±SQ.FT. D.M.D a o v °°
's / � �� PILE OF vl ry
OO IRS -IRON ROD SET PHILLIP W. 40 I 1/2 " EIRE Ora 1 o oO o �� � CE35 U." M7 WlRES D.M.D STONE I U° /
NGS MONUMENT &WIFE' / � s� °9896 R' ' n� °o"� i %�C�� CONTROL CORNER Utz /
Q SURVEY CONTROL 3 (LOCALIZED COORDINATES)
ANN C. CLINE �9� 4�'�� s6s6" 5S °� �J ,;y� ^ha N: 635,570.26' I JOHN ALLEN JR. &WIFE
O EGM- EXISTING GRANITE MONUMENT DEED 7148 -097 0/ G? �4' CP / ,� 5L
SQ.FT.- SQUARE FEET PIN# 5693141529 (2)76 "CMP tiG 1G 404' — — — — — — — — — — — — ^ E: 1,593,055.04' / S
(NAD83 -07) I / REBECCA B. HAMMILL
Ac.- ACREAGE EASEMENT AREA CQ' ���ti1' , %�`� I / DEED 442 -661
TOB -TOP OF BANK "PC -1 " 6� S G CE30 yti 3 CP PIN# 5693456082
EIP/EX. STONE
TBM- TEMPORARY BENCH MARK AREA= 195,252fSQ.FT. D.M.D ����� N E16 0// CE3b q \ N S
PL-PROPERTY LINE 4.482tACRES D.M.D
i r PHILLIP W. & WIFE, 111
CL CENTERLINE /A�y9 ''� � CE17 .,� \ \ ` ANN C. CLINE �'EX.sTOI�IE
i 5� 9 PHILLIP W. & WIFE, CE37 S13 °55'17 'w _
CP- COMPUTED POINT ti -- --- ---
- - -- --- - PROPOSED/NEW CREEK ALIGNMENT CE15 CP ANN C. CLINE j 84.02' DEED 794 -250
�S 6 CE14 h 3 M! DEED 794 -250 PIN# 5693240902
-------- EXISTING CREEK ALIGNMENT / Qy� ��� cE18 J
o, UNNAMED PIN# 5693240902
TRIBUTARY 7 EASEMENT AREA 1(� 770483
CE12 C I "� "PC -2" qFV cE29 ' EASEMENT AREA `
CE19 "PC-211 b JOHN ALLEN JR. & WIFE
sob °2.308 /y AREA= 4o8,807+SQTT. D.M.n J REBECCA B. HAMMILL
ti _ CEI1 ° °° 63.3a CE28
CP C E20 i 9.385fACRES D.M.D I DEED 424 -593
CONTROL CORNER �4 CEIO I\ N eryb �� i� b CP PIN# 5693443349
(LOCALIZED COORDINATES) \ \ 1 T ,N
N: 634,586.63' / / \ 1s8 ° t\ MI 1 / CE27 i
E: 1,590,826.77' \ 61",
(NAD 83 -07) \ CE9
N wCE21 CE26
CE8 CP
SHERMAN T. MAYNE
EASEMENT AREA ,h N
DEED 419 -676 GRID TIE INFORMATION
1I e
tq / / �\ ps29 �• '`°� PC -2 PIN# 5693247361 FROM TO BEARING DISTANCE
P \ 6\ \ CE22 �b ryhh i ih
\ „ �8\ CP i�r63 J NGS MON. "V -49" CE 33 575 °1758 "W 16,160.40'
3/8 EIR '
w . tiof 2 \ \ I .r 3 ' o CE25 i oh
'� ^� sf� 6\6,9 4� :W \�s9, c°v N \ m CE24 N87 °14'36 "E " ii ;,"�
.�. y ry ?� �, w xst °43'2 ? ^E 26a.za' i� NGS MON. "V -49" CE 96 587 018'56 "W 14,062.29'
°o �o �/ 6r \ b�' ^� CE7 \ N CE2 1_33.9a'
^,�' / �, \ °�' 22 °s' s ��9 cE38 1 /2 "EIPBX.STONE EX.STONE CONTROL PNT. 1 CE 10 N05 °32'03 "E 767.01'
LARRY W. &WIFE CF6 __ _ _ _,_v z4 v r
PENNY D. HAMMILL l s. u' CP 1 s� �, _ _._ __ _ - \ s
1~ 3/8 "EIR DEED 2755 -264 vF° i i ����r BUFFALO
CREEK \
1p ^ , o \ LITTLE °fa)
PIN# 5693140046 CE39
EASEMENT AREA
CES� �((a ,'1r �3CE40 534.69 A8.6j
? o
\e
"LH -1 "
�,5 I�'� i' \\ 3s
423
AREA= 39,715fSQ.FY D.M.D
°o�b�
\ \
0.912±ACRES D.M.D CE4 4I
%/ f/ / \y------
I
`
928.87'
EX SPIKE \
N: 633,697.47'
E: 1,591,019.41'
N67 °16'27 "w
91.36'
i �-' i Q, CP
g3 i q
*77 PHILLIP W. & WIFE
48?0' CP " ANN C. CLINE
Q _- 3 W
- - - - -- �— N88 °40'26 "W
-- - - - - --
N87 °40'37 "W — — CP
EX.STONE 65.85'
zt51 CE41 DEED 794 -250 \
F� � EASEMENT AREA pIN# 5693240902 \
/ 29422 /�/ CF-42
/ PC -2 \ /
\ E3 i j 01 (LOCALIZED \ /
CE7,� ��� COORDINATES) rw \
ASPHALT ROADS El N: 633,642.09' /
5
EX.STONE
S25 °03'21 "E E: 1,591,149.97'
/ GPS CONTROL POINT 1 S60 °16'02 "E \68.90' (Tie Only) (NAD83 /2007) 4]9,85'
(LOCALIZED COORDINATES) 491.°°' (Tie Only) 5s „w
/ (NAD83 -07) (2)90 "CMP 64 0\ EIR 581 °'� \ /
w \ / RICHARD L. & WIFE, \ \
N: 633,823.19' x66 °3251 "w \ w \ KIMBERLY C. KING i� CONSERVATION EASEMENT
/ E: 1,590,752.80' \ °9 e �~ /3 M o N6�° DEED 6586 -218 �/ / / SURVEY FOR
(NAD83 -07) 5,4011w PIN# 5693443349 THE STATE OF NORTH CAROLINA,
Z
/ (GRID COORDINATES) 1 \ \ ry/N / r EIIt / ECOSYSTEM ENHANCEMENT PROGRAM:
N: 633,823.570' \ \ / 977 � "LITTLE BUFFALO CREEK"
E: 1,590,852.754' 1 GPS CONTROL POIN\ / EX. BOLT W/NUT s� 3 � � / EEP 1D 94147
LOCALIZED COORDINATES)\ CP A170. 7' EIR/ROCKS RITA CORL HOOKS h °� �AB� ���jC 2���/ O
(NAD83 -07) \ `� N' FILE 2004 #00 -E -86 °~ �s6�9., �� �Jg/
PHILLIP W. &WIFE, ANN C CLINE,
N: 633,579.68' 6 \\ \ PIN# 5693328864 ��a �~ sy ��4� j HAMMILL FARMS INC, &
E: 1,591,179.15' �S'?, �c TT \ ` EIP/EX.STONE S/ LARRY W. &WIFE PENNY D. HAMMILL
(NAD83 -07) 9T S �p \ RUTH H. BLACK \ :
(GRID COORDINATES �A�& Ol A DEED 374 -293 �\ t4 NEAR GOLD HILL, No. 7 TOWNSHIP,
PATRICIA H. WILLIAMS �A lj Rj �� PIN# 5693225904 \ / \ / yaw CABARRUS COUNTY, NORTH CAROLINA
FILE 2007 #00 -E -460 / N: 633,580.153' 9 Lr' /
PIN# 5693036167 E: 1,591,179.100'
SEP
I 5
\ / CONSTRUCTION
/ PHILLIP W. & WIFE, \ / /
1025 WADE AVENUE
RALEIGH, NORTH CAROLINA 27605
GRAPHIC SCALE ANN C. CLINE / \ / \ / TEL: [phone]
0 200' 400' \
DEED 794 -250 / / FAX: 91NYLI9591
PIN# 5693240902 / \ \ / JOB SRI 0.002.00
/ Sheet Of
SCALE 1" = 200' � V \ AP JED 11/14/11 2 5
1 / / Drawn By Approved By Date

SITE
\
ISENHOUR BRICK
f
E. LAMAR AND WIFE,
\ DEED 6586 -218
± ( )
J`
f d TILE CO., INC
LARRY W d WIFE / fi
PENNY HA), ^,
JrsE
JAN K. YELTON
/
\ ISENHOUR SRICK
11 711E CO.,INC
npm,ss ?a,
' rnRCLLa JS4cot
17.
DEED oaz,uo
PApCELa3s4 nt
J AREA =IU 9QF ,DMD $/ / �EASEMENTAREA
PCB'
\
$
STEVEN A. MITE > �
18.
I
enu'¢xJSS w]
I
/
y
ncco s9•<sb
em.ss9Jaseno 1
1
'z'se^e"c°RD. DeP,y,� ` ­1 !CONTROL /
a'.'JS.or i CORNER O
ROWAN COUNTY
— — —
— — _ - - —j— CAA RRUCOUNCABA • re 7. A N 640,624.0551'
LD MINE ROAD NGS HARN N.C.S.R.244 NGS HARN E: 1,594,664.9216'
I (NAD83 -07) 1 \ MONUMENT "V-49" _
MONUMENT "PHANEEL I CONTROL CORNER I i .�° /f / ,/ (NAD83 -07)
(LOCALIZED COORDINATES) (LOCALIZED COORDINATES) I I / g CONTROL CORNER COORDINATES)
N: 647,260.57' I i „- s �/P. , EASEMENT AREA ( ) N. 639,671.23'
N: 64Q620.02' � LOCALIZED COORDINATES
E: 1,552,294.78' E. 1,592,890.25' 'r: .per Pca" N. 640,615,70' i
/ ". :. :/ E: 1,608.686.47
I N: OORD .11' I I / z,., AaE.. avr nun `\ `
I (N ) I NAD83 -0 I � , r �� c nun E 1,595,900.25' _
- -- 7 �t .
PO t I — — — — (GRID COORDINATES) — I � ��/ � — �r (NAD R3 -o7) ��\ ` (GRm COORDINATES)
— E 1,552,300.34' yr N: 639,67091'
E: 1,608,683.71' A
) I HAMMILL FARMS INC a/� `._ - - --- IQ
NAD83 -07 HAMMILL FARMS INC I I PHILLIP W. CLINE I
5' 'Q N \ \ I Pw�apsDesvns3a I k �(,tj %„ eLVa�s9�ae9IOI
�• DEED455 -2is % SJ / ` Q
I PINk 5691172834 ♦ CLEMENT R. 11 WIFE, I I
�• � Q I �� � KAY E. HAMMILL I A
ojti ��`� � A � I I v,/ w �FI P "a»�'R�;�� 1 � � — � IU VV••W[� fr
IBENHOUR BRICK I 1 ` \. �'""r , i IaN�
G �• KA •Z ! EDDIE O, d WIFE.
I x r•:
G` �• Y I nva s�,J9sn I A861E H. HATLEY
/� I I us r § :3,1, I TTNa s69,'me'ns EDDIE O, d WFE I Ul itl:�
'7 �Q r7'�• yy E I I EASEMENTAREA \ �f,� 3',i I BeIE H. HATLEY(TRUSTEES) Zz Fa
9
VICINITY MAP: S I I II �S S�c...clwsunDMO K I Wlyl
y
CALF) I I I EASEMENT AREA (NOT TO S
W
/V 1q "Pc.11 1
CERTIFICATE OF OWNERSHIP AND DEDICATION I, JON ERIC DAVIS CERTIFY THAT THIS MAP WAS DRAWN \ ` I UNNAMED , "A +"
UNDER MY SUPERVISION FROM AN ACTUAL SURVEY MADE UNDER MY \ _-L_ H­_ I TRIBUTARY I • N >I�,
\ � � � � / �•tif SHEET 4 OF 5
I (WE) HEREBY CERTIFY THAT I AM (WE ARE) THE 1 I �
SUPERVISION, AND THE FOLLOWING INFORMATION WAS USED TO PERFORM
OWNER(S) OF THE PROPERTY SHOWN \ / SHEET 3 OF S THE SURVEY: I I r
TODD EUGENE ROVM.AND ,
AND DESCRIBED HEREON AND THAT I (WE) HEREBY 1) CLASS OF SURVEY: CLASS II , 95 %CONFIDENCE LEVEL AS PER FGDC I / / \y° z/ &wFEnoAwN sMITHSON I I N
ADOPT THIS PLAN OF SUBDIVISION GEOSPATIAL ACCURACY STANDARDS PART 2: STANDARDS FOR GEODETIC
WITH MY (OUR) FREE CONSENT, ESTABLISHED NETWORKS - I / / m HAMMILL FARMS INC L_ I \ \ MARVIN JVNIOR b NAFE,
2) POSITIONAL ACCURACY: THE POINT DATA PROVIDED FOR THE CONTROL \ �/ •^ DIT..D455 -2ix N f oN RETENSCE IRANI E ROWLAND — {_ z
MINIMUM BUILDING LINES, AND DEDICATE / ,s PINks69 372RW i j P �\/ nEEn4oa,aJ
TIES MEETS ACCURACY STANDARDS FOR BOTH THE LOCAL AND NETWORK �\ r CONTROL CORNER \ Pmas69Jept95, I
ALL ROADS, ALLEYS, WALKS, PARKS, AND OTHER ACCURACY HAVING MET THE 5 CM ACCURACY FOR HORIZONTAL 1 I �5�. a W (LOCALIZED COORDINATES) �� \ \
SITES TO THE PUBLIC USE EXCEPT AS COORDINATE VALUES. l wX!� /� N: 639,012.59' 4 \ \ \ DONALD WESLEY BROWN d 1
NOTED. FURTHER I (WE) CERTIFY THE LAND AS 3) TYPE OF GPS FIELD PROCEDURE: VRS f sue. /5 $ E: 1,594,639 61' \ \ DEBBIE FAME RDWIAND T
SHOWN HEREON IS WITHIN THE PLATTING 4) DATE OF SURVEY: MARCH 2010 s �� f -- (NAD 83 -- - - -' - -- - -, \ \ _ _ — — — — — — — — — — — — — 6°'6s
L'�aa PNa5691ee1]]p
JURISDICTIO OF CA RRUS (;`` LNTY. 56) ) DATUM/EPOCH: NAD 83 -2007 FD / I r UTAA Y AS 9R )
+ — —
PUBLISHED /FIXED CONTROL USED: NGS MONUMENTS "V -49 ", & "PHANTEL" TRIBUT ARYI
/ I ®° � � CD ° , I / I
GEOID MODEL: GEOID09 �4 % / I w�
R%xQk
111111 t k / I IRA E. McQUEEN
8) COMBINED GRID FACTOR: 0.999854043 // EASEMENTAREA !�- m r g 4� I (HUSBAND)&
\� • N i t 3+ / 'HF -1'�" \ �° fq IO " I KATHERINE WAGONER I I
' 9) UNITS: NORTH CAROLINA STATE PLANE COORDINATES > US SURVEY FEET / / AAE — s9s. "1 ",FT DUD p / /// 9 % cNRt n f"'�"3 m = J J % DMC�Q EEN
ADDITIONAL NOTES/INFORMATION: EQUIPMENT USED TO PERFORM VRS / / 6,< Mn �4.r illy ", "`( �t nw y� •° ° j i M „a sue„ „
OBSERVATIONS WAS THE TOPCON GR3. FIXED ANTENNA HEIGHT n 2.0 // / i • }, �j / J I •
OWN • DATEX114011L METERS. A �/ - // /� lF pal EASEMENT AREA i / I / — — — L — — — — — —a
. cus
' cna.
y/
S �� �. ,C / �/
..____� -_ - -__
�� ` 1� // �•, 'Wf o, L_ _ _ _ —___J /°' / KAREN K.WILHELM
..' // / & JOH® KLUTTZ
7
DATE I, JON ERIC DAMS ,CERTIFY THAT THIS PLAT WAS DRAWN UNDER MY / / �6' ��i � /
SUPERVISION, FROM AN ACTUAL SURVEY MADE UNDER MY SUPERVISION, / .° / PII1N$ 3771913
(DEED DESCRIPTION RECORDED IN BOOK 455 , PAGE 238 ,) THAT THE / HAMMILL FARMS INC )[[ < / / f
/ i`? �„ PHN.LM' W CLINE I
ar DEED 455.21N an 1:* DEPA'y,'y9ta /
I PINq 5691i72R34 1 I 7
�' BOUNDARIES NOT SURVEYED ARE CLEARLY INDICATED AS DRAWN FROM / /
EASEMENTAREA /
INFORMATION FOUND IN BOOK 794 , PAGE 250 ,LINE THAT THE RATIO OF / HF -r \s '
OWNER DATE
PRECISION AS CALCULATED IS 1:10 0000_± , THAT THIS PLAT WAS PREPARED / / 1 4 /
IN ACCORDANCE WITH G.S.47 -30 AS AMENDED. WITNESS MY O �) a,o•°_ —
/ )m, •' _I„�oa5au
STATE OF NORTH CAROLINA SIGNATURE, REGISTRATION NUMBER, AND SEAL THIS 8th ICY OF Y NOTES: / � �,^I t �- /
A.D., 20 12 TDN�rBv4
COUNTY OF CABARRUS '440,,, r
A ` / / � M F� �5,� r \ � �� / 1. THIS MAP CONFIRMS TO ALL THE REQUIREMENTS OF G.S. 47 -30 AND IS
I, NOTARY PUB C, DO 13EREBY ERTIFY THAT Ca' 'ea8 % / r "'*, w r�� r " °� ' _ SUITABLE FOR THE PURPOSE OF RECORDING.
Sotih A.QM^vnyltir. Pvl,s . '�+' \�S ` ?j ► ' r rk /�a ,� R..,. -- - - - - --
� r �,9 � �� ____-- _,,,,�,,.,, / 2. IF THIS MAP DOES NOT HAVE AN ORIGINAL SIGNATURE AND SEAL, IT IS NOT
` VALID.
µAWWE1�� FQVN"yal y Lh g, .. /1 s �l / / �p RA E.MeQUEEN /
��, €/ $ ¢� �' (HUSBAND) & / 3. ALL DISTANCES ARE HORIZONTAL GROUND DISTANCES, UNLESS NOTED
JON CDAVIS,PLS -3464 /// �' sue/ KATHERINE WAGONER / OTHERWISE.
QSn i 1 ly p W , 1 qhh e . CS yhQ+ & _ ,3 / McQUEEN / 4. EASEMENTS AND RIGHT -OF -WAY NOT SURVEYED, UNLESS NOTED OTHERWISE.
``P � PNasD695R11J
('44-VI W • ♦ PQ'h"'W 'D • C••1 y M''' � � �I!��� /// / EASEMENT AREA "��R +`\,A� � € 7� // I so o. s'w / 5. LOCATIONS OF UNDERGROUND NON - VISIBLE UTILITIES /STRUCTURES/PARKING
J \• "Ol HF i k STRIPING MAY VARY FROM LOCATIONS SHOWN HEREON. ADDITIONAL BURIED
APPEARED BEFORE ME THIS DAY AND •) / „a] �: � = �� °” ;I
A�_5 ,
t_� A °«ea t I PHILLIP w CLINE — — — UTILITIES /STRUCTURES MAY BE ENCOUNTERED. NO EXCAVATIONS WERE
ACKNOWLEDGED THE DUE EXECUTION OF `� �_ �• 1 s nEED,aR -JJz
} ' 1 r! /�/ - lA ' I I$ ", P¢p 69101 — — _ — — — — _� MADE DURING THE PROCESS OF THIS SURVEY TO LOCATE BURIED
THE FOREGOING INSTRUMENT. SURVEYOR CERTIFICATION FOR SUBDIVISION �' ` ) a F UTILITIES /STRUCTURES. NO SUE LOCATIONS DONE AT THIS TIME.
^ WI SS MY HAND AND OFFICIAL SEAL THIS f UNNAMED \� � \ � a � a � \ 6. THIS MAP IS FOR THE EXCLUSIVE USE OF THE ORIGINAL PLJRC14ASER OF THIS
TRIBUTARY �,� +,� �I SURVEY AND IS NOT TRANSFERABLE TO SUBSEQUENT OWNERS OR
I � J I, JON ERIC DAMS ,REGISTERED LAND SURVEYOR ,LICENCE #L -3464, �i „u'� �/+ w P � g CHRISTOPHER A&
m41 1Z+ CERTIFY TO ONE OR MORE OF THE FOLLOWING AS INDICATED BY AN X \� 1 "^ WIFE JOY H PINTO \ ADDITIONAL INSTITUTIONS.
9 •D,AY OF 20 - e a, r ,+" I nEED Smzmis
7. ALL AREAS COMPUTED BY DMD.
X C). THAT THIS PLAT IS OF A SURVEY OF AN EXISTING PARCEL OR r , \
F 8. NO NGS MONUMENT FOUND WITHIN 2000'
i PARCELS OF LAND. HAMMILL FARMS INC \ N? I \ 9. PROPERTY LINES WERE CREATED USING VARIOUS DEEDS.
11 DEED 455 -238 5 / r DEED REFERENCES:
r NOTARY PUBLIC PIN# 5693172814 / • „a \ 10. THE CONTROL FOR THIS SURVEY WAS PERFORMED USING GPS, TOPCON GR3
Q,"4 X D). THAT THIS PLAT IS OF A SURVEY OF ANOTHER CATEGORY, SUCH AS \ DEED 374 -293
'� '� Z / \ 11, ALL NEW POINTS ARE MARKED WITH CAPPED REBAR
MY COMMISSION EXPIRES / THE RECOMBINATION OF EXISTING PARCELS, A COURT ORDERED SURVEY, EASEMENTAREA e „ \ DEED 419 -676
••HF -I” �; a ) ' EASEMENTAREA \ 12. THIS MAP IS NOT A BOUNDARY SURVEY
OR OTHER EXEMPTION TO THE DEFINITION OF A SUBDIVISION. DEED 462 -102
PDa' \ 13. HORIZONTAL CONTROL= NGS HARN MONUMENT "V -49 AND PHANIEL"
AxEAD Mn \ \ SHEET 3 OF 5 \\ DEED 455 -238 14. THIS MAP IS SUBJECT TO ANY FACTS THAT MAY BE DISCLOSED BY A FULL AND
SIGNATURE JON ERIC DAVIS L- 3464, G rr DEED 794 -250
STATE OF NORTH CAROLINA, CABARRUS COUNTY I ACCURATE TITLE SEARCH.
SURVEYOR REGISTRATION NUMBER SHEET 2 OF 5 DEED 1852 -332
I RC w �1 • Q �`K \ / 15. ALL BEARINGS ARE GRID BEARINGS UNLESS OTHERWISE NOTED.
J 1� ii EASEMENTAREA / DEED 2755 -264
�� "' "'' °e \ ( DEED 5613 -001 16. WITH THE EXCEPTION OF EASEMENTS, ALL LINES NOT SURVEYED ARE
REVIEW OFFICER FOR CABARRUS COUNTY, CERTIFY CABARRUS COUNTY, NORTH CAROLINA HF 1" g UN, \ CLEARLY MARKED BY DASHED LINES
THAT THE MAP OR PLAT TO WHICH THIS
CERTIFICATION IS AFFIXED MEETS ALL STATUTORY
REQUIREMENTS FOR RECORDING.
Canso• Q . �� 5[231 L2.
REVIE OFFICER DATE
NORTH CAROLINA, CABARRUS COUNTY
THE FOREGOING CERTTFICATE(S)
OF IS
(ARE) CERTIFIED TO BE CORRECT. THIS INSTRUMENT
WAS PRESENTED FOR REGISTRATION ON AND
RECORDED IN THIS OFFICE AT BOOK
PAGE THIS DAY
OF 120 AT
O'CLOCKM.
BY
REGISTER OF DEEDS
CERTIFICATE OF APPROVAL BY THE
SUBDIVISION ADMINISTRATOR
I, , SUBDIVISION
ADMINISTRATOR OF CABARRUS COUNTY
HEREBY APPROVE THE FINAL PLAT OF THE
SUBDIVISION ENTITLED
ON THE DAY OF MONTH, OF
THE YEAR.
SUBDIVISION ADMINISTRATOR
GRAPHIC SCALE
0 500' 1000'
SCALE 1'I = 500'
PHILLIP . I 9 ,,, - ' 22. THE COORDINATES SHOWN HAVE BEEN ADJUSTED TO REFLECT
& WIFE, �,�/ / Di'` I - vz^rm ,��, 1 ° ` CONTROL GARNER �) crr �-
ANN c. CLINE/ S'�' 1S" I b q% I fe.� (LOCALIZED COORDINATES) I'at' JOHN ALLEN JR., d WIFE, / LOCALIZED COORDINATES. ALL DISTANCES ARE HORIZONTAL GROUND
HEED nasm, /G. y�' L .:__- - - - - -- J # N' 635,570.26' I /�95 REBECCA B. HAMMILL / /
pEMEN , r / DISTANCES UNLESS OTHERWISE NOTED. COMBINED SCALE FACTOR: 0.999854043
EASEMENTAREq ;' E: 1.,593,055.04' I r PP'a5ti9145bK2 �— / /
83-07) / 23. PRECISION: 1:20,000+
g AD
"saw 1—P 24. GPS UTILIZED TO LOCATE NGS AND PROJECT CONTROL
PHILLIP NN W. dI WIFE, — / 25. PRECISION BASED UPON PROJECT CONTROL NETWORK.
�,�•' �� " C} PHILLIP W. d WIFE, i ANN C. CLINE „x' �nNp — — —
/ ANN C. CLINE BED _ — — — — — — — — 26. ALL CONSERVATION EASEMENT CORNERS SET USING ASTANDARD %" REBAR,
/�y ^�P, cs,a '? °.�^I Ce1e nP.ED,9L35o PNa569,WAV1 I �— �—
h°
UNNAMED PWa369J 903 ` -% hI� WITH AN ALUMINUM CAP, MARKED "STATE OF NORTH CAROLINA,
TARY7
TAU EASEMENrAREA
ASEMEHT AREA ` CONSERVATION EASEMENT."
CONTROL CORNER "PC -r ^ •
PC 2" I n JOHN ALLEN JR., d WIFE,
(LOCALIZED COORDINATES) // x191 utaq- ms,am}SQ.pT. D.MD I' REBECCA B. HAMMILL
N: 634,586.63' ix =- Q / 9.'•SL.CRES °�° "INDEX SHEET"
o�
E: 1,590,826.77
(NAD 83 -07) OWNER: ACREAGE TABLE
(Tie Only)
N05 °32'03 "W 767.01' '�;` �°' ��R/ ' / / PHILLIP W. & WIFE PHILLIP W. & WIFE CONSERVATION EASEMENT
HOR GRD. DISTANCE / \ \§ " sHERp s>"< 9 TYNE I
( ) r # EASEMENTAREA / R
/ . \ "IN, \ 11 \ Pc -r P+B¢ f ^5,r ANN C. CLINE ANN C. CLINE SURVEY FOR
1. 66 YAix 56 93 2973 61
/ / 11391 Mr OLIVE ROAD THE STATE OF NORTH CAROLINA
/A/ 11°1 3"' A% I / PIN# 5693489101 / 11 887 ACRES D M D PC 3 '
y� IXY •�; :,,
r/ +�
6 p TRIBUTAeY5
I
/
\ DEED 6586 -218
± ( )
J`
E
/
/ s c
LARRY W d WIFE / fi
PENNY HA), ^,
JrsE
Ex o
PIN# 5693240902
\ DEED 7148 -097
17.
TOTAL AREA IN CONSERVATION EASEMENT= 45.883± ACRES D.M.D.
J AREA =IU 9QF ,DMD $/ / �EASEMENTAREA
PCB'
/
$
STEVEN A. MITE > �
18.
ALL DASHED LINE INFORMATION TAKEN FROM DEEDS AND CABARRUS
!_ -- snm09•e� sn�. _ - -0 az9.n
n
_
-- -TL UNNAMED
PHILLIP W CLINE
DEen usz Jz
y
ncco s9•<sb
em.ss9Jaseno 1
1
D p
--------- - - - - --
PHILLIP W. d WIFE,
""" 03 " - -exs 6. /
"s'
COUNTY GIS,.
P.O. BOX 341
GOLD HILL, NC 28071
— —
Ic:a \z R` I ���
Pnasc9f °t9'oI
I
ANN C. CLINE
EASEMENTAREA INp96Yi�
Po- r
19.
THE SUBJECT PARCELS ARE NOT LOCATED IN A SPECIAL FLOOD HAZARD AREA,
TAT �/' j
PIN# 5693372834 / 19.217± ACRES D -M.D (HF -1)
GPS CONTROL PINT
; n
\ \ I
\ /
AS SCALED FROM FLOOD INSURANCE RATE MAP NO. 3710568200J, PANEL 5682,
LARRY W. &WIFE,
'-tie
(LOCALIZED COORDIN ATES)
/ \ I
P' .n..n, R..p=
'
EFFECTIVE DATED NOVEMBER 5, 2008.
s, I
Qs\
i
(NAD83 -07)
a'' r
I
C21m" •� \
20.
THIS PLAT IS SUBJECT TO ANY EASEMENTS, AGREEMENTS, OR
RIGHTS -OF -WAY OF RECORD PRIOR TO DATE OF THIS PLAT, WHICH WAS NOT
<1� `� / I
• • ?° m
1;
Ew
\
\ \
VISIBLE AT THE TIME OF INSPECTION.
/ /
4Gr
Ism
/
�/
°� „° 9; 4bY18 / / G�
PIN# 5693140046
/ o9xnncaESnMn
"=
` \
GPS CONTROL POINT "'s
/
21.
THIS MAP NOT SUBMITTED TO OR APPROVED BY ANY PLANNING AGENCY
PHILLIP . I 9 ,,, - ' 22. THE COORDINATES SHOWN HAVE BEEN ADJUSTED TO REFLECT
& WIFE, �,�/ / Di'` I - vz^rm ,��, 1 ° ` CONTROL GARNER �) crr �-
ANN c. CLINE/ S'�' 1S" I b q% I fe.� (LOCALIZED COORDINATES) I'at' JOHN ALLEN JR., d WIFE, / LOCALIZED COORDINATES. ALL DISTANCES ARE HORIZONTAL GROUND
HEED nasm, /G. y�' L .:__- - - - - -- J # N' 635,570.26' I /�95 REBECCA B. HAMMILL / /
pEMEN , r / DISTANCES UNLESS OTHERWISE NOTED. COMBINED SCALE FACTOR: 0.999854043
EASEMENTAREq ;' E: 1.,593,055.04' I r PP'a5ti9145bK2 �— / /
83-07) / 23. PRECISION: 1:20,000+
g AD
"saw 1—P 24. GPS UTILIZED TO LOCATE NGS AND PROJECT CONTROL
PHILLIP NN W. dI WIFE, — / 25. PRECISION BASED UPON PROJECT CONTROL NETWORK.
�,�•' �� " C} PHILLIP W. d WIFE, i ANN C. CLINE „x' �nNp — — —
/ ANN C. CLINE BED _ — — — — — — — — 26. ALL CONSERVATION EASEMENT CORNERS SET USING ASTANDARD %" REBAR,
/�y ^�P, cs,a '? °.�^I Ce1e nP.ED,9L35o PNa569,WAV1 I �— �—
h°
UNNAMED PWa369J 903 ` -% hI� WITH AN ALUMINUM CAP, MARKED "STATE OF NORTH CAROLINA,
TARY7
TAU EASEMENrAREA
ASEMEHT AREA ` CONSERVATION EASEMENT."
CONTROL CORNER "PC -r ^ •
PC 2" I n JOHN ALLEN JR., d WIFE,
(LOCALIZED COORDINATES) // x191 utaq- ms,am}SQ.pT. D.MD I' REBECCA B. HAMMILL
N: 634,586.63' ix =- Q / 9.'•SL.CRES °�° "INDEX SHEET"
o�
E: 1,590,826.77
(NAD 83 -07) OWNER: ACREAGE TABLE
(Tie Only)
N05 °32'03 "W 767.01' '�;` �°' ��R/ ' / / PHILLIP W. & WIFE PHILLIP W. & WIFE CONSERVATION EASEMENT
HOR GRD. DISTANCE / \ \§ " sHERp s>"< 9 TYNE I
( ) r # EASEMENTAREA / R
/ . \ "IN, \ 11 \ Pc -r P+B¢ f ^5,r ANN C. CLINE ANN C. CLINE SURVEY FOR
1. 66 YAix 56 93 2973 61
/ / 11391 Mr OLIVE ROAD THE STATE OF NORTH CAROLINA
/A/ 11°1 3"' A% I / PIN# 5693489101 / 11 887 ACRES D M D PC 3 '
y� IXY •�; :,,
r/ +�
` i I n, A
�!_ �eeaoNE
I
/
CTOLD HILL, NC 28071
PIN #5693489101
± ( )
J`
E
/
/ s c
LARRY W d WIFE / fi
PENNY HA), ^,
JrsE
Ex o
PIN# 5693240902
PIN# 5693240902 9.385± ACRES D.M.D (PC -2)
j°
EASEMENT AREA
/
PIN# 5693141529
•p
w
�
H-1 ,
AREA D,MD i
° 'y
^
/ /
HAMMILL FARMS INC
PIN# 5693141529 / 4.482± ACRES D.M.D (PC -1)
D p
--------- - - - - --
PHILLIP W. d WIFE,
""" 03 " - -exs 6. /
"s'
P.O. BOX 341
GOLD HILL, NC 28071
HAMMILL FARMS INC
ANN C. CLINE
EASEMENTAREA INp96Yi�
Po- r
Dvp \ /
` / /
\\
PIN# 5693372834
PIN# 5693372834 / 19.217± ACRES D -M.D (HF -1)
GPS CONTROL PINT
; n
� !'; �;<%
\ /
LARRY W. &WIFE,
(LOCALIZED COORDIN ATES)
T
P' .n..n, R..p=
'
^` \\ n / /
/
PENNY D. HAMMILL
LARRY W. &WIFE,
(NAD83 -07)
a'' r
I
C21m" •� \
\" " m „v P5'
�\ Ei _ • " ^„55
\ ' \ /
V \
R1 HARD L. d WIFE, \ /
12020 KLUTTZ ROAD
PENNY D. HAMMILL
N: 633,823.19'
\ \
\
KIMBERLY C. KING \ r
GOLD HILL, NC 28071
E: 1,590,752.80'
(NAD83 -07)
\
�° / " °'
°� „° 9; 4bY18 / / G�
PIN# 5693140046
PIN# 5693140046 / 0.912± ACRES D.M.D LH -1
(GRID COORDINATES)
` \
GPS CONTROL POINT "'s
N: 633,823.570'
E: 1,590,852.754'
ex_ern.r w.NUr
(LOCALIZED 8$-07) "TES) \ o= Eaxxxs RITA EARL HOOK
S$ -07) " ^a
/
/ S'
4�G• i
/
(NAD \ pE.e z0,u.0,i -zes
N: 633.579.68' 6 \ \ \ rmws693rssw
OS
/
'q, / / s'
LEGEND
/
E. 1,591,179.15' \ \ RUTHx BLACK
(NAD83 /07) 1 q� C r \ \ DEED Ham \ /
/
/
0 EIP- EXISTING IRON PIPE
AC.- ACREAGE
\ \ j
/ PATRICIA H. WBLIAMS (C,(IID COORDINATES rA \ PN# 5691225004
N: 633,580.153' ) (A�iLI�lA11�11 A v A / / /
0 EIR- EXISTING IRON ROD
TOB -TOP OF BANK
E. 1,591,179.700' t, \�\ / \
�dJd U\ //
/ T
FILED May 23, 2012 02:42 RT
Y P
FILED
IRS -IRON ROD SET
TBM- TEMPORARY BENCH MARK
PHILLIP W. d WIFE, ry� \�\ / \ /
ANN C. CLINE / \rP0\
BOOK 00061
CABARRUS
NGS MONUMEN•I•
PL- PROPERTY LINE
DEED ]9azso
ewa s69JZnc9nz / \ \
PAGE 0082 THRU 0082
COUNTY NC
� SURVEY CONTROL
CL- CENTERLINE
INSTRUMENT# 12$94
LINREGISTEREE
O EGM- EXISTINGGRANITEMONUMENT
CP- COMPUTED POINT
SQ.FT.- SQUARE FEET
CE- CONSERVATION EASEMENT
EXCISE TAX 0.00
OF DEEDS
GRD- GROUND
NGS - NATIONAL GEODETIC SURVEY
"LITTLE BUFFALO CREEK”
EEP ID 94147
ON THE PROPERTY OF
PHILLIP W. & WIFE, ANN C. CLINE,
HAMMILL FARMS INC, &
LARRY W. & WIFE PENNY D. HAMMILL
NEAR GOLD HILL, No. 7 TOWNSHIP,
CABARRUS COUNTY, NORTH CAROLINA
Ce' *0;0;*p E P 46
1
UENGINEERING 5
C O N S T R U C T I O N
1025 WADE AVENUE
RALEIGH, NORTH CAROLINA 27605
TEL: [phone]
FAX: [phone]
COMPANY LI # 2197
JOB # SR10.002.00 Sheet Of
• AP JED 11/14/11 1 5
Drawn By Approved By Date 5