HomeMy WebLinkAbout20171156 Ver 1_Year 0 Monitoring Report_2020_20200806ID#* 20171156 Version* 1
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Erin Davis
Initial Review Completed Date 08/06/2020
Mitigation Project Submittal - 8/6/2020
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Type of Mitigation Project:*
rJ Stream r Wetlands [Buffer ❑ Nutrient Offset
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Project Contact Information
Contact Name:*
Matthew Reid
Project Information
...................................................................................
ID#:* 20171156
Existing IDY
Project Type:
Project Name:
County:
F DMS r Mitigation Bank
Horne Creek Tribs
Surry
Document Information
Email Address:*
mattdreid@gmail.com
Version: * 1
Existing Version
Mitigation Document Type:*
Mitigation Monitoring Report
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Print Name:* Matthew Reid
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As -Built Baseline Monitoring Report
FINAL VERSION
Horne Creek Tributaries Mitigation Project
Monitoring Year 0
Calendar Year of Data Collection: 2020
NCDEQ DMS Project Identification # 100026
NCDEQ DMS Contract # 7181
Yadkin River Basin (Cataloging Unit 03040101)
USACE Action ID Number: SAW-2017-01510
NCDEQ DWR Project # 2017-1156
Surry County, NC
Contracted Under RFP # 16-006993
Data Collection Period: May 2020
Submission Date: August 2020
Prepared for:
N.-I-c-
EnAronmental
Quality
North Carolina Department of Environmental Quality
Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652
Prepared by:
WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615
(919)614 - 5111 1 waterlandsolutions.com
WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUITE 13Q RALEIGH, NC 27615
[419] 614. 5111 I wolerlpndsolulionacom
August 3, 2020
NC Department of Environmental Quality
Division of Mitigation Services
Attn: Matthew Reid, Project Manager
5 Ravenscroft Drive, Suite 102
Asheville, NC 28801
RE: WLS Responses to NCDEQ DMS Review Comments for Task 6 Submittal, Draft Baseline
Monitoring Report for the Horne Creek Tributaries Mitigation Project, DMS Full -Delivery Project
ID #100026, Contract #7181, Yadkin River Basin, Cataloging Unit 03040101, Surry County, NC
Dear Mr. Reid:
Water & Land Solutions, LLC (WLS) is pleased to present the Final Baseline Monitoring Report (including
record drawings) for the Horne Creek Tributaries Mitigation Project to the North Carolina Department of
Environmental Quality (NCDEQ) Division of Mitigation Services (DMS). Per the DMS review comments,
WLS has updated the Final As -Built Baseline Monitoring Report and associated deliverables accordingly.
We are providing the electronic deliverables via a CD. The electronic deliverables are organized under the
following folder structure as required under the digital submission requirements:
Report PDF
Support Files
1_ Background Tables
2 Visual
3_Veg Plot
4_Geomorph
5-Hydro
6-As-Built Plans
We are providing our written responses to DMS' review comments on the Draft As -Built Baseline Report
below. Each of the DMS review comments is copied below in bold text, followed by the appropriate
response from WLS in regular text:
General:
• List of Appendices: Photos are listed as "Stream Station Photographs", but in the report the
photos are of the cross -sections. Are these photos intended to take the place of stream photo
points? WLS Response: Yes, the stream station photo points are located at each cross section. Per DMS
comment #2 below, WLS has also renamed this Appendix section to Stream Photo Points (Cross -Sections,
Culvert Crossings, EII Reaches). The MYO report will not include any photos points at the culvert crossings
or EII reaches.
• DMS recommends adding photo points in MY1. Please include photos at culvert crossings and EII
reaches. Include photo points on the CCPV. WLS Response: WLS will add photo points to all culvert
crossings and EII reaches for MY1. The data will be included in the MY1 CCPV and appropriate appendices.
These symbols have been added to the MYO CCPV, but there will not be any photos in the appendices.
• List of Appendices: Table 5 Baseline Vegetation is incorrectly labeled as Table 6 in the report.
Please update. WLS Response: "Table 5 Baseline Vegetation" has been updated with the correct number.
• List of Appendices: Appendix D has "Baseline Cross -Sections" listed. Consider updating to
"Baseline Cross -Sections and Profiles". WLS Response: Baseline Cross -Sections was updated to read
Baseline Cross -Sections and Profiles.
• The approved Mitigation Plan indicated 12 vegetation plots would be installed at the site;
however, there are only 10 permanent plots installed. Also, there are no random plots used as
described in the Mitigation Plan. Please explain the deviation from the IRT approved Mitigation
Plan. WLS Response: The mitigation plan was an estimate at the time and before the easement was
finalized. The final planted acreage is 10.2, which equates to 9 vegetation plots. Even if the entire easement
area of 11.87 acres was planted that equates to 10 vegetation plots. The Mitigation Plan stated that we
"may" utilize random plots. After construction we determined that the established permanent vegetation
plots were capturing the newly planted areas adequately and random plots were not necessary.
• Section 3.3.11 indicates that two structures are piping. Please provide additional information
about these structures. What type of structure, reach, and stationing? Please call out structures on
CCPV and update status in the MY1 report. WLS Response: Only one structure is piping, and the
reference to two structures was a typo. Section 3.3.1.1 has been updated to include the information on the
structure, which is on R4 at approximate station 19+55 (grade log j-hook vane). The MYO CCPV has been
updated with a callout on the structure and WLS will update the status of the structure in the MY1 report.
• The R5 profile shows numerous occasions where the water surface cuts through the thalweg
elevation. Are these survey error, piping, dry channel, or other? WLS Response: There are eight
locations on R5 where the water surface profile cuts underneath the thalweg due to missed survey points
(no water surface shots at the structure inverts). There are no locations on R5 where piping is occurring,
nor is the channel dry. WLS has included call outs for the locations along R5 that have the water surface
elevation clipped through the thalweg due to survey error.
• There is only one crest gauge/transducer installed on R5. Is FG-1 installed at XS1 on Reach 1
capable of capturing bankfull events? If FG-1 is unable to document bankfull events, DMS
recommends installing a second crest gauge/transducer on R1. WLS Response: Correct, there is one
crest gauge/transducer on R5, which follows the IRT guidance of one gauge per 5,000 LF of reach. There
are 2 symbols on the CCPV because we have installed a cork gauge and pressure transducer in the same
area. The flow gauge on Reach 1 is capable of capturing bankfull events, but WLS will install a crest gauge
on the lower section of R1 and will include the data in the MY1 report.
• Table 2: Please change "Restoration Plan" to "Mitigation Plan". WLS Response: Table 2 has been
updated accordingly.
• Table 2: Please remove "Mitigation Plan" from the "Asbuilt / Year 0 Monitoring" activity. WLS
Response: WLS has updated Table 2 accordingly.
• CCPV: Please add an overview map that shows both project streams in relation to one another.
WLS Response: An overview map displaying all project reaches was created and added to the CCPV.
• CCPV: Please include stationing. When photo points are added in MY1, please include these
locations on the CCPV. WLS Response: Stream stationing and photo points have been added to the CCPV.
• XS4: Is the shot near the 10' mark a rod height error? The photographs of the cross section do not
seem to indicate an approximate 1.5' height difference on the left bank. Please verify. WLS
Response: The shot at the 10' mark for XS-4 was an error due to incorrectly inputting the data into the
Mecklenburg spreadsheet. WLS has corrected the reading and updated the data and Appendix D
accordingly.
• X13: Is the right bank shot a survey error or was an offset shot used to capture an undercut bank?
The right bank photos for XS13 do not seem to correlate to the surveyed section. Please verify and
correct as necessary. WLS Response: XS-13 was shot using an offset to capture an undercut bank in the
channel. The pool undercuts a large leftover root (under the matting) from a cut down tree in this pool at
the cross-section location.
• As -built Plan sheets: Stationing and elevations are not shown on the profiles. Please revise for
final. WLS Response: The stationing and elevations have been added to the profiles.
• As -built Sheet 5: R4 Asbuilt Bankfull line does not appear correctly in profile downstream of
culvert crossing. Revise as necessary. WLS Response: The as -built bankfull line has been revised on
Sheet 5.
• Electronic Deliverables: Please include features characterizing the EII portions of R4a (10+98-
11+54) and R4b (10+72-10+99). Currently the only features included in the digital submission
were for the R portions of R4a and 114b. Please include the EII features in the CCPV as well. WLS
Response: Reaches R4a and R4b are now included in the electronic deliverables and are included on the
CCPV.
Please contact me if you have any questions or comments.
Sincerely,
Water & Land Solutions, LLC
(2a, /(' '�
Cara Conder
Water & Land Solutions, LLC
7721 Six Forks Road, Suite 130
Raleigh, NC 27615
Office Phone: (919) 614-5111
Mobile Phone: (843) 446-2312
Email: cara@waterlandsolutions.com
Table of Contents
1 Project Summary...................................................................................................................................1
1.1 Project Location and Description..................................................................................................1
1.2 Monitoring Schedule and Reporting.............................................................................................1
1.3 Project Goals and Objectives........................................................................................................1
1.4 Project Success Criteria.................................................................................................................2
1.4.1 Streams.................................................................................................................................2
1.4.2 Vegetation.............................................................................................................................3
1.4.3 Visual Assessment.................................................................................................................3
2 Project Mitigation Components............................................................................................................4
2.1 Project Components.....................................................................................................................4
2.2 Design Approach...........................................................................................................................4
2.2.1 Stream...................................................................................................................................4
3 As -Built (Baseline) Condition................................................................................................................ 6
3.1 As -built Survey..............................................................................................................................6
3.2 As -Built Plans/ Record Drawings...................................................................................................6
3.3 As -Built/ Baseline Assessment...................................................................................................... 6
3.3.1 Morphological Assessment...................................................................................................7
3.3.2 Stream Hydrology................................................................................................................. 7
3.3.3 Vegetation.............................................................................................................................8
4 Methods................................................................................................................................................8
5 References............................................................................................................................................9
LIST OF APPENDICES
Appendix A Background Tables
Table 1
Project Mitigation Components
Table 2
Project Activity and Reporting History
Table 3
Project Contacts
Table 4
Project Information and Attributes
Appendix B Visual Assessment Data
Figure 1 Current Condition Plan View (CCPV)
Photos Stream Photo Points (Cross -Sections, Culvert Crossings, Ell Reaches)
Vegetation Plot Photographs
Monitoring Device Photos
Appendix C Vegetation Plot Data
Table 5 Baseline Vegetation — Planting Data (totals by species)
Table 5a Vegetation Plot Mitigation Success Summary
Appendix D Stream Measurement and Geomorphology Data
Baseline Cross -Sections and Profiles
Table 6a Baseline Stream Data Summary
Table 6b Cross-section Morphology Data
Table 6c Stream Reach Morphology Data
Appendix E As -Built Survey/ Record Drawings
1 Project Summary
1.1 Project Location and Description
The Horne Creek Tributaries Mitigation Project ("Project") is a North Carolina Department of
Environmental Quality (NCDEQ), Division of Mitigation Services (DMS) full -delivery mitigation project
contracted with Water & Land Solutions, LLC (WLS) in response to RFP 16-006993. The Project will provide
stream mitigation credits in the Yadkin River Basin (Cataloging Unit 03040101). The Project is located in
Surry County approximately seven miles southwest of the Town of Pilot Mountain at 36.2851950'
and-80.5032100°. The project site is in NCDEQ Sub -basin 03-07-02, in the 8-digit Hydrologic Unit Code
(HUC) 03040101, in the Ararat River & Upper Yadkin River Local Watershed Plan Study Area (Local
Watershed Plan ID: LWP-2008-51), and in the Targeted Local Watershed 03040101110070 (Warm Water
Thermal Regime), all within the Yadkin River Basin.
The Project involved the restoration, enhancement, and permanent protection of seven stream reaches
(R1, R2, R3, R4, R4a, R4b, and R5) and their riparian buffers, totaling approximately 5,428 linear feet of
streams. The Project will provide significant ecological improvements and functional uplift through stream
and aquatic habitat restoration and through decreasing nutrient and sediment loads within the
watershed. The mitigation plan provides a detailed project summary and Table 1 provides a summary of
project assets. Figure 1 illustrates the project mitigation components.
1.2 Monitoring Schedule and Reporting
The Project will be monitored on a regular basis with physical inspections to occur a minimum of twice
per year throughout the seven-year post -construction monitoring period, or until performance standards
are met. The measure of stream restoration success will be documented by bankfull flows and no change
in stream channel classification. The measure of vegetative success for the Project will be the survival of
at least 210 trees per acre with an average height of eight feet at the end of year seven of the monitoring
period. Site inspections and monitoring reports will also identify components and features that require
routine maintenance or adaptive management.
1.3 Project Goals and Objectives
The Project will meet the goals and objectives described in the Horne Creek Tributaries Final Approved
Mitigation Plan and will address general restoration goals and opportunities outlined in the North Carolina
Division of Mitigation Services (DMS) Upper Yadkin River Basin Restoration Priority Plan (RBRP) (DEQ
2009). More specifically, watershed goals and management strategies described in the Upper Yadkin Local
Watershed Plan (LWP) will be met by:
• Reducing sediment, soil erosion, turbidity, and nutrient inputs such as fecal coliform bacteria,
nitrogen, and phosphorus to the Horne Creek Watershed.
• Restoring, enhancing, and protecting headwater streams, wetlands, riparian buffers, and aquatic
habitat functions.
• Improving riparian corridor management and targeting restoration of impacted streams and
riparian buffer areas.
• Promoting agronomic farm management techniques and implementing agricultural BMPs and
water quality features such as livestock exclusion fencing, alternative watering systems, and
nutrient management devices.
To accomplish these project -specific goals, the following objectives will be measured to document overall
project success:
• Provide a floodplain connection to the incised Project stream reaches by lowering bank height
ratios (BHRs) to less than 1.2, thereby promoting more natural or overbank flood flows,
• Improve bedform diversity by increasing scour pool spacing and depth variability,
• Increase native species riparian buffer and vegetation density/composition along streambank and
floodplain areas that meet requirements of a minimum 30-foot-wide and 210 stems/acre after
the monitoring period,
• Improve aquatic habitat and fish species diversity and migration through the addition of in -stream
cover and native woody debris,
• Site protection through an 11.87-acre conservation easement in excess of 30 feet from the top of
the restored streambanks, that will protect all streams, wetlands and aquatic resources in
perpetuity.
1.4 Project Success Criteria
The success criteria for the Project will follow the approved performance standards and monitoring
protocols from the final approved mitigation plan; which was developed in compliance with the USACE
October 2016 Guidance, USACE Stream Mitigation Guidelines (April 2003 and October 2005), and 2008
Compensatory Mitigation Final Rule. Cross-section and vegetation plot data will be collected in Years 0, 1,
2, 3, 5, and 7. Stream hydrology data and visual monitoring will be reported annually. Specific success
criteria components and evaluation methods are described below.
1.4.1 Streams
Stream Hydrology: Four separate bankfull or over bank events must be documented within the seven-year
monitoring period and the stream hydrology monitoring will continue until four bankfull events have been
documented in separate years. Stream hydrology monitoring will be accomplished with pressure
transducers installed in pools and correlating sensor depth to top of bank elevation. Recorded water depth
above the top of bank elevation will document a bankfull event. The devices will record water depth hourly
and will be inspected quarterly. In addition to the pressure transducers, traditional cork gauges will be
installed at bankfull elevation and will be used to document bankfull events with photographs.
Stream Profiles, Vertical Stability, and Floodplain Access: Stream profiles, as a measure of vertical stability
and floodplain access will be evaluated by looking at Bank Height Ratios (BHR). In addition, observed
bedforms should be consistent with those observed for channels of the design stream type(s). The BHR
shall not exceed 1.2 along the restored Project stream reaches. This standard only applies to restored
reaches of the channel where BHRs were corrected through design and construction. Vertical stability will
be evaluated with visual assessment, cross sections and, if directed by the IRT, longitudinal profile.
Stream Horizontal Stability: Cross -sections will be used to evaluate horizontal stream stability on restored
streams. There should be little change expected in as -built restoration cross -sections. If measurable
changes do occur, they should be evaluated to determine if the changes represent a movement toward a
more unstable condition (e.g., downcutting, erosion) or a movement towards increased stability (e.g.,
settling, vegetation establishment, deposition along the streambanks, decrease in width/depth ratio).
4
Cross -sections shall be classified using the Rosgen Stream Classification method and all monitored cross -
sections should fall within the quantitative parameters defined for channels of the design stream type.
Reference photo transects will be taken at each permanent cross-section. Lateral photos should not
indicate excessive erosion or continuing degradation of the streambanks. Photographs will betaken of both
streambanks at each cross-section. A survey tape stretched between the permanent cross-section
monuments/pins will be centered in each of the streambank photographs. The water elevation will be
shown in the lower edge of the frame, and as much of the streambank as possible will be included in each
photo. Photographers will attempt to consistently maintain the same area in each photo over time.
Streambed Material Condition and Stability: Representative streambed material samples will be collected
in monitoring years 5 and 7 at locations where riffles are installed in restoration reaches. The post -
construction riffle substrate samples will be compared to the existing riffle substrate data collected during
the design phase. Any significant changes (e.g., aggradation, degradation, embeddedness) will be noted
after streambank vegetation becomes established and a minimum of two bankfull flows or greater have
been documented. If significant changes are observed within stable riffles and pools, additional sediment
transport analyses may be required.
Jurisdictional Stream Flow: Monitoring of stream flow will be conducted to demonstrate that the restored
stream systems classified as intermittent exhibit surface flow for a minimum of 30 consecutive days
throughout some portion of the year during a year with normal or below normal rainfall conditions. Stream
flow monitoring will be accomplished with pressure transducers installed in pools and correlating sensor
depth to the downstream top of riffle elevation. If the pool water depth is at or above the top of riffle
elevation, then the channel will be assumed to have surface flow. The devices will record water elevation
twice per day and will be inspected quarterly to document surface hydrology and provide a basis for
evaluating flow response to rainfall events.
1.4.2 Vegetation
Vegetation monitoring will occur in the fall each required monitoring year, prior to leaf drop. Plots will be
monitored in years 1, 2, 3, 5, and 7. Vegetative success for the Project during the intermediate monitoring
years will be based the survival of at least 320, three -year -old planted trees per acre at the end of Year 3
of the monitoring period; and at least 260, five -year -old, planted trees per acre that must average six feet
in height at the end of Year 5 of the monitoring period. The final vegetative restoration success criteria
will be achieving a density of no less than 210, seven -year -old planted stems per acre that must average
eight feet in height in Year 7 of monitoring.
1.4.3 Visual Assessment
WLS will conduct visual assessments in support of mitigation performance monitoring. Visual assessments
of all stream reaches will be conducted twice per monitoring year with at least five months in between
each site visit for each of the seven years of monitoring. Photographs will be used to visually document
system performance and any areas of concern related to streambank and bed stability, condition of in -
stream structures, channel migration, active headcuts, live stake mortality, invasive plant species or animal
browsing, easement boundary encroachments, cattle exclusion fence damage, and general streambed
conditions. Permanent photo points will be at the cross -sections, culvert crossings, and Enhancement II
reaches.
4
2 Project Mitigation Components
2.1 Project Components
The Project mitigation components include a combination of Stream Restoration and Enhancement
activities, as summarized in the table below.
Table 1. Mitigation Plan Stream Mitigation Credits (SMCs)
10+00 —
1,397
23+40
1,320
1,320
R
PI/PII
1
1,320
10+17 —
286
13+13
296
296
R
PH
1
296
11+80 —
75
12+55
76
76
R
PH
1
76
13+13 —
1,191
25+19
1,167
1,167
R
PI/PII
1
1,167
10+98 —
124
11+54
57
57
Ell
2.5
23
11+55 -
-
12+65
111
111
R
PI
1
111
10+72 —
89
10+99
27
27
Ell
2.5
11
10+99 -
-
12+24
125
125
R
PI
1
125
25+19 —
2,519 48+12 2,249 2,249 R PI 1 2,249
5,681 5,428 5,428 5,378
Credit Loss in Required Buffer -300
Credit Gain for Additional Buffer 325
Net Change in Credit from Buffers +25
Total Credits per Buffer Calculator 5,403
Total Adjusted SMCs 5,389
Note 1: No mitigation credits were calculated outside the conservation easement boundaries.
Note 2: The difference in Proposed Reach Stationing length and Restored Footage is the result of permanent crossings.
Note 3: The Wilmington District Stream Buffer Calculator was used to determine credit losses/gains due to 11% of the
total project lengths buffer widths being less than 30'. Based on the stream buffer credit calculator the total net increase
in stream credits is 25 credits. This is due in part to many areas within the buffer being greater than 30'. WLS is
proposing the adjusted SMCs totaling 5,389 credits.
Note 4: Values in table were rounded to the nearest whole number.
2.2 Design Approach
2.2.1 Stream
The Project stream design approach included a combination of Stream Restoration and Enhancement
activities. Priority Level I Restoration reaches incorporated the design of a single -thread meandering
channel, with parameters based on data taken from reference site comparison, published empirical
relationships, NC Piedmont Regional Curves, and hydrologic and hydraulic analyses. The restoration of
planform and dimension, frequent overbank flows and a restored riparian buffer will provide the
appropriate hydrology and sediment transport throughout the project catchments. All non -vegetated
areas within the easement were planted with native vegetation and any areas of invasive species were
removed and/ or treated.
• Reach R1— R1 begins at the upstream western boundary of the Project immediately downstream
of an existing stream crossing. The majority of the reach was restored as a Rosgen B4 stream type
within its current location and tied into the downstream channel. Work along R1 involved
relocating the channel towards the center of the valley and implementing a Priority Level 1/11
Restoration by raising the bed elevation and reconnecting the stream with its abandoned
floodplain. Fencing was installed outside of the easement boundary to permanently exclude
livestock and reduce sediment and nutrient inputs. A permanent 20-foot wide culverted crossing
was installed to allow for landowner access between pastures. Additionally, one water quality
treatment feature was installed inside of the conservation easement to reduce sediment and
nutrient inputs that would otherwise enter the riparian buffer as untreated water.
• Reach R2 — R2 begins downstream of a roadway culvert under Caudle Road. Work along R2
involved Priority Level II restoration by slightly raising the bed elevation and reconnecting the
stream with a constructed floodplain. The reach was restored as a Rosgen B4 stream type using
appropriate step -pool morphology with minimal meander planform geometry that
accommodated the valley slope and width. One water quality treatment feature was constructed
inside of the conservation easement at the beginning of R2 to capture, attenuate, and treat
overland flow that would otherwise enter the riparian buffer as untreated water.
• Reach R3 — R3 begins at the confluence of R2 and R4. Work along R3 involved Priority Level II
restoration by slightly raising the bed elevation and reconnecting the stream with a constructed
floodplain. The reach was restored as a Rosgen B4a stream type using appropriate step -pool
morphology with minimal meander planform geometry to accommodate the valley slope and
width. Two water quality treatment features were constructed in series along R3 to capture,
attenuate, and treat overland flow.
• Reach R4 — R4 begins at the confluence of R2 and R3. Work along R4 involved a combination of
Priority Level I and II Restoration by gradually raising the bed elevation and reconnecting the
stream with its adjacent floodplain or a constructed floodplain. A majority of the channel was
restored in its current location while the lower 200 feet was relocated to its historic position to
meander across the left floodplain before connecting with R5. Two permanent 20-foot wide
culverted crossings were installed to allow for landowner access between pastures.
• Reach R4a — R4a is a small perennial headwater tributary that begins at a spring head within the
upper catchment. R4a consisted of Enhancement Level II practices in the upper 57 linear feet by
removing cattle and planting native vegetation to maintain and improve the stability of the
channel. The lower 111 feet was restored as a Rosgen B4 stream type using appropriate riffle -
pool and step -pool morphology with minimal meander planform geometry. This approach
4
allowed restoration of a stable channel form with appropriate bedform diversity and allowed the
channel to be tied into Reach R4.
• Reach R4b — R4b is a small perennial headwater tributary that begins at a spring head within the
upper catchment. A majority of this reach was stable except for the downstream end where an
active headcut had propagated upstream from R5. Work along R4b involved Enhancement Level
II practices in upper 27 linear feet to maintain and improve the stability of the channel. The lower
125 linear feet was restored as a Rosgen B4 stream type using appropriate riffle -pool and step -
pool morphology with minimal meander planform geometry. This approach allowed restoration
of a stable channel form with appropriate bedform diversity and allowed the channel to be tied
into Reach R4.
• Reach R5 — R5 begins at the confluence of R4 and R4b. Work along R5 involved Priority Level I
Restoration by raising the bed elevation and reconnecting the stream with its historic floodplain.
A majority of the channel was constructed offline and the existing degraded channel was partially
to completely filled. A permanent 20-foot culverted crossing was installed to allow for landowner
access between pastures.
3 As -Built (Baseline) Condition
3.1 As -built Survey
An as -built survey conducted under the responsible charge of a North Carolina Professional Land Surveyor
(Chris Cole, PLS with Ascension Land Surveying), was utilized to document the as -built or baseline
condition of the Project post -construction. The Project construction and planting were completed in April
2020 and the as -built survey was completed in June 2020 due to surveyor availability and adverse weather
conditions. Cattle were excluded with temporary fencing prior to construction and permanent fencing
was completed in June 2020. Baseline monitoring activities occurred in May 2020. The as -built survey
included a topographic surface survey, locating the constructed stream channels, in -stream structures,
monitoring device locations, a longitudinal profile survey for each project reach, and cross-section surveys
for each reach.
3.2 As -Built Plans/ Record Drawings
The results of the as -built survey establish and document post -construction or baseline conditions and
will be used for comparing annual post -construction monitoring data. The as -built plans or record
drawings were developed utilizing the final construction plans as the "background", and then overlaying
the as -built survey information on the plan and profile sheets. Any significant adjustments or deviations
made to the final construction plans during construction are shown as redline mark-ups or callouts on the
as -built survey plan sheets. The as -built plans/record drawings are located in Appendix E.
3.3 As -Built/ Baseline Assessment
No significant deviations were documented between the final construction plans and the as -built
condition that may affect channel performance, channel lengths, or changes in vegetation species
planted. Minor piping was noted at one in -stream structure on R4 but is expected to resolve naturally as
minor adjustments occur in the streambed at this location. Along R5, some of the rock riffles that were
constructed using on -site alluvium showed signs of sediment migration into pools after multiple rain
4
events. These facet slope adjustments are expected as sediment is transported through the system and
demonstrates the channels ability to establish and maintain dynamic equilibrium given the new flow
regime and catchment conditions. Several log riffles were removed from the project reaches and replaced
with rock riffles due to material availability. Establishment of temporary vegetation was sparse on reaches
R4 and R5 immediately following construction. Subsequently, additional temporary seeding and mulching
was applied post -construction to establish ground cover and help stabilize the site. No other major issues
or mitigating factors were observed immediately after construction which require consideration or
remedial action.
3.3.1 Morphological Assessment
Morphological data for the as -built profile was collected in May 2020. Refer to Appendices B and D for
summary data tables, morphological plots, and stream photographs.
3.3.1.1 Stream Horizontal Pattern & Longitudinal Profile
The MYO stream channel pattern and longitudinal profiles closely match the profile design parameters.
On the design profiles, riffles were depicted as straight lines with consistent slopes. Various locations for
the riffle profiles shown on the as -built survey illustrate multiple slope breaks due to the installation of
log and rock structures and woody debris within the streambed. The constructed riffle slopes and pool
depths vary slightly from design parameters due to field adjustments and fine sediment migration during
construction. The MYO plan form geometry or pattern fell within acceptable ranges of the design
parameters for all restored reaches. These minor channel adjustments in riffle slopes, pool depths and
pattern do not present a stability concern or indicate a need for remedial action and will be assessed
visually during the annual assessments. Minor piping was noted on R4 at one of the in -stream structures
at approximate station 19+55 (grade log j-hook vane) and is expected to resolve naturally as natural
adjustments occur in the streambed at this location.
3.3.1.2 Stream Horizontal Dimension
The MYO channel dimensions generally match the design parameters and are within acceptable and stable
ranges of tolerance. It is expected that over time that some pools may accumulate fine sediment and
organic matter, however, this is not an indicator of channel instability. Maximum riffle depths are also
expected to fluctuate slightly throughout the monitoring period as the channels adjust to the new flow
regime and catchment conditions.
3.3.1.3 Substrate
Representative streambed material samples will be collected in years 5 and 7 at the locations where riffles
are installed in reaches that were proposed for restoration as part of the Project.
3.3.2 Stream Hydrology
3.3.2.1 Stream Flow
Two pressure transducers (flow gauges) were installed in May 2020 in the restoration sections on reaches
R1 and R2 to document baseflow conditions. The flow gauge locations are within the upper one-third of
the project reaches as shown on Figure 1 and data will be included in the Monitoring Year 1 Report.
4
3.3.2.2 Bankfull Events
Two crest gauges were installed to document bankfull events on R1 and R5. WLS installed a conventional
cork crest gauge, along with a pressure transducer to validate flood stations on both reaches. Stream
hydrology data will be included in the Monitoring Year 1 Report in this section and in the appendices.
Recorder locations are shown on Figure 1.
3.3.3 Vegetation
Monitoring of the 10 permanent vegetation plots was completed during the first week of May 2020.
Vegetation data can be found in Appendix C with the associated photos located in Appendix B. The MYO
average planted density is 696 stems per acre, which exceeds the interim measure of vegetative success
of at least 320 planted stems per acre at the end of the third monitoring year. Volunteer species were not
noted at baseline monitoring but are expected to establish in upcoming years.
Visual assessment of vegetation outside of the monitoring plots indicates that the herbaceous vegetation
is becoming well established throughout the project.
No areas of with significant invasive plant species were observed post -construction. The site will be
monitored closely, and any invasive plant species will be treated as needed.
4 Methods
Stream cross-section monitoring was conducted using a Topcon RL-H5 Laser Level. Three-dimensional
coordinates associated with cross-section data were collected in the field (NAD83 State Plane feet PIPS
3200). Morphological data were collected at 16 cross -sections. Survey data were imported into Microsoft
Excel® for data processing and analysis. The stage recorders include an automatic pressure transducer
(HOBO Water Level (13 ft) Logger) set in PVC piping in the channel. The elevation of the bed and top of
bank at each stage recorder location was recorded to be able to document presence of water in the
channel and out of bank events. Visual observations (i.e. wrack or debris lines) and traditional cork crest
gauges will also be used to document out of bank events.
Vegetation success is being monitored at a total of 10 permanent vegetation plots. Vegetation plot
monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation, version 4.2 (Lee et al. 2008)
and includes analysis of species composition and density of planted species. Data are processed using the
CVS data entry tool. In the field, the four corners of each plot were permanently marked with PVC at the
origin and rebar at the other corners. Tree species and height will be recorded for each planted stem and
photos of each plot are to be taken from the origin each monitoring year.
5 References
Lee Michael T., Peet Robert K., Roberts Steven D., and Wentworth Thomas R., 2008. CVS-EEP Protocol for
Recording Vegetation Level. Version 4.2
(RBRP) North Carolina Ecosystem Enhancement Program (EEP), 2009. Yadkin Pee -Dee River Basin
Watershed Restoration Priorities (RBRP). February 2009.
United States Army Corps of Engineers. 2003. Stream Mitigation Guidelines, April 2003, U.S. Army Corps
of Engineers. Wilmington District.
United States Army Corps of Engineers. 2016. Notification of Issuance of Guidance for Compensatory
Stream and Wetland Mitigation Conducted for Wilmington District, October 2016, U.S. Army
Corps of Engineers. Wilmington District.
Water and Land Solutions, LLC (2019). Horne Creek Tributaries Mitigation Plan. NCDMS, Raleigh, NC.
4 9
Appendix A:
Background Tables
Table 1. Horne Creek Tributaries (ID-100026) - Mitigation Assets and Components
Existing
Mitigation
Footage
Plan
As -Built
or
Footage or
Mitigation
Restoration
Priority
Mitigation
Footage or
Project Segment
Acreage
Acreage
Category
Level
Level
Ratio (X:1)
Acreage
Comments
Full Channel Restoration, Planted Buffer, Exclusion of Livestock, Permanent
R1
1.397
1,320
Warm
R
PI/PII
1.00000
1,342
Conservation Easement
R2
286
296
Warm
R
PII
1.00000
289
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement
R3
75
76
Warm
R
PII
1.00000
73
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement
R4
1 191
1,167
Warm
R
PI/PII
1.00000
1,181
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement
R4A
124
57
Warm
Ell
PI
2.50000
57
Supplemental Planting of Buffer, Livestock Exclusion, Permananent Easement
R4A
111
Warm
R
PI
1.00000
105
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement
R4B
89
27
Warm
Ell
PI
1 2.50000
1
1
1 27
Supplemental Planting of Buffer, Livestock Exclusion, Permananent Easement
R4B
125
Warm
R
PI
1.00000
123
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement
R5
2.519
2,249
Warm
R
I PI
1.00000
2,2701
Full Channel Restoration, Planted Buffer, Permanent Conservation Easement.
Project Credits
Stream Riparian Wetland Non -Rip Coastal
Restoration Level Warm Cool Cold Riverine Non-Riv Wetland Marsh
Restoration 5344.000
Re-establishment
Rehabilitation
Enhancement
Enhancement I
Enhancement II 33.600
Creation
Preservation
Totals 5377.600 0.000 0.000 0.000
Overall Assets Summary
Asset Category
Overall
Credits
Stream
5,378
RP Wetland
NA
NR Wetland
NA
Buffer
NA
Buffer Loss SMC
-300
Buffer Gain SMC
325
Total SMU
5,403
Total Adjusted SMCs
5,389
Table 2. Project Activity and Reporting History
Horne Creek Tributaries #100026
Elapsed Time Since grading complete:
2 months
Elapsed Time Since planting complete:
2 months
Number of reporting Years':
0
Data Collection
Completion or
Activity or Deliverable
Complete
Delivery
Institution Date
N/A
05/22/17
404 permit date
N/A
01 /15/20
Mitigation Plan
N/A
07/29/19
Final Design — Construction Plans
N/A
07/29/19
Construction
N/A
04/30/20
Containerized, bare root and B&B plantings for reach/segments 1 &2
N/A
04/30/20
As -built (Year 0 Monitoring — baseline)
Ma -20
07/01/20
Year 1 Monitoring
Year 2 Monitoring
Year 3 Monitoring
Year 4 Monitoring
Year 5 Monitoring
Year 6 Monitoring
Year 7 Monitoring/ Close Out
Table 3. Project Contacts Table
Horne Creek Tirbutaries Mitigation Project
Designer
Water & Land Solutions, LLC
7721 Six Forks Rd, Ste. 130, Raleigh, NC 27615
Primary project design POC
Christopher Tomsic - (828) 493-3287
Construction Contractor
North State Environmental, Inc.
2889 Lowery Street, Winston-Salem, NC 27101
Construction contractor POC
Andrew Roten - (336) 406-9078
Survey Contractor
Ascension Land Surveying
116 Williams Road, Mocksville, NC 27028
Survey contractor POC
Christopher Cole - (704) 579-7197
Planting Contractor
Ripple EcoSolutions, LLC
215 Moonridge Rd, Chapel Hill, NC 27516
Planting contractor POC
George Morris - (919) 818-3984
Seeding Contractor
North State Environmental, Inc.
2889 Lowery Street, Winston-Salem, NC 27101
Contractor point of contact
Andrew Roten - (336) 406-9078
Seed Mix Sources
Green Resource
(336) 588-6363
Nursery Stock Suppliers (Bare Roots)
Native Forest Nursery
(704) 483-3397
Nursery Stock Suppliers (Bare Roots/plugs)
Mellow Marsh Farm
(919) 742-1200
Nursery Stock Suppliers (Live Stakes)
Foggy Mountain Nurser
(336) 384-5323
Monitoring Performers
Water & Land Solutions, LLC
7721 Six Forks Rd, Ste. 130, Raleigh, NC 27615
Stream Monitoring POC
Kyle Obermiller - (828) 808-2240
Vegetation Monitoring POC
Kyle Obermiller - (828) 808-2240
Wetland Monitoring POC
Kyle Obermiller - (828) 808-2240
Table 4. Project Background Information
Project Name
Horne Creek Tributaries
County
Surry
Project Area (acres)
11.9
Project Coordinates (latitude and longitude)
36.28519W N,-80.5032100, W
Planted Acreage (Acres of Woody Stems Planted)
10.2
Project Watershed Summary Information
Physiographic Province
Piedmont
River Basin
Yadkin
LISGS Hydrologic unit 8-digit 03040101
USGS Hydrologic Unit 14-digit 03040101110070
DWR Sub -basin
03-07-02
Project Drainage Area (Acres and Square Miles)
0.06 (Rl) and 0.26 (R5)
Project Drainage Area Percentage of Impervious Area
<1 %
CGIA Land Use Classification
2.01.03, 2.01.01, 3.02 (46% pasture/hay, 24% row crop,
16% mixed forest)
Reach Summary Information
Parameters
Reach 1
Reach 2
Reach 3
Length of reach (linear feet)
1,320
296
76
Valley confinement (Confined, moderately confined, unconfined)
mod confined
mod confined
mod confined
Drainage area (Acres and Square Miles)
38 and 0.06
41 and 0.06
29 and 0.05
Perennial, Intermittent, Ephemeral
Perennial
Intermittent
Intermittent
NCDWR Water Quality Classification
C
C,WS-IV
C
Stream Classification (existing)
E5b/F5b (incised)
G4 (incised)
E6b (incised)
Stream Classification (proposed)
134
134
Boa
Evolutionary trend (Simon)
III/IV
III
III
FEMA classification
N/A
N/A
N/A
Regulatory Considerations
Parameters
Applicable?
Resolved?
Supporting Docs?
Water of the United States - Section 404
Yes
Yes
PCN
Water of the United States - Section 401
Yes
Yes
PCN
Endangered Species Act
Yes
Yes
Categorical
Exclusion
Historic Preservation Act
Yes
Yes
Categorical
Exclusion
Coastal Zone Management Act (CZMA or CAMA)
NO
N/A
N/A
FEMA Floodplain Compliance
NO
N/A
N/A
Essential Fisheries Habitat
NO
N/A
Categorical
Exclusion
Reach 4 Reach 4A Reach 4B Reach 5
1,167 168 152 2,249
83 and 0.13
29 and 0.05
2 and 0.003
166 and 0.26
Perennial
Perennial/Intermittent
Perennial/Intermittent
Perennial
C, WS-IV
C
C
C, WS-IV
134 (incised)
134c (incised)
G5
B4c/G4c (incised)
B4/C4b
134
134
C4
IV/V
I
I
IV/V
N/A
N/A
N/A
N/A
Appendix B:
Visual Assessment Data
Figure 1: Current Condition Plan View (CCPV)
Stream Photo Points (Cross -Sections, Culvert Crossings, Ell Reaches)
Vegetation Plot Photographs
Monitoring Device Photographs
TM
WATER & LAND
SOLUTIONS
Horne Creek Tributaries Mitigation Project
Slurry County, North Carolina
USACE Action ID Number: SAW-2017-01510
DMS project number: 100026
May 2020
MYO
Current Conditions
Plan View
Monitoring Year 0
FIGURE
NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
TM
WATER & LAND
SOLUTIONS
Horne Creek Tributaries Mitigation Project
Slurry County, North Carolina
USACE Action ID Number: SAW-2017-01510
DMS project number: 100026
May 2020
MYO
Current Conditions
Plan View
Monitoring Year 0
FIGURE
1 a
NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
TM
WATER & LAND
SOLUTIONS
Horne Creek Tributaries Mitigation Project
Slurry County, North Carolina
USACE Action ID Number: SAW-2017-01510
DMS project number: 100026
May 2020
MYO
Current Conditions
Plan View
Monitoring Year 0
FIGURE
NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
TM
WATER & LAND
SOLUTIONS
Horne Creek Tributaries Mitigation Project
Slurry County, North Carolina
USACE Action ID Number: SAW-2017-01510
DMS project number: 100026
May 2020
MYO
Current Conditions
Plan View
Monitoring Year 0
FIGURE
NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
a
IL
dP
Y
R1, XS1, Upstream (MY-00)
MI
ra
r
"
R1, XS1, Left Bank (MY-00)
t �
AN --- - -
i . YII
R1, XS2, Upstream (MY-00)
r r. •: pis ,
" �OA - -�.-�
R1, XS2, Downstream (MY-00)
R1, XS2, Right Bank (MY-00)
n
� �„ '_" 5 � i0E-'t � r ^ Gti ;, r �� �� .L� .1� �✓[t — "!S'�' }.a.? w
R1, XS4, Upstream (MY-00)
�p�
y.]V,
S
i A ^"x.a sxsx r T 4 air
R1, XS4, Downstream (MY-00)
R1, XS4, Left Bank (MY-00)
47
q i7
F3 A
R1, XS4, Right Bank (MY-00)
�wnpi �
i
R4, XS5, Upstream (MY-00)
>L
R4, XS5, Left Bank (MY-00)
r �
f�y� ��1 r � F '•' _ - .� 1.
V -•. .i
s
",t.*'A s'� nip., 1 T�b�`T7�` .e '��,. ��� �i� '•�
s1V . � 7 .F �' • ��
fp
R4, XS5, Downstream (MY-00)
10
:zn
\���ƒ/�\/.�}�
t
51 i
yl'aV
V
c _
V l
t
r-�
R5 `XS9 MY-00 Upstream P ( )
rz
y� Qom{
I ,u,
i
Y :+.r...
ia!
i
y..
R5, XS9, Downstream (MY-00)
f'
4 - - \
� to i S _
R5, XS9, Left Bank (MY-00)
� r i1 k � �� �" Y •'s7. i dF ��
31
-
.....� _
R5, XS9, Right Bank (MY-00)
_ie".5�.•
-l"
— Y
nY < 1
r _ �
'Aft ?fit, y * T" �f' ',' � .�f c...
R5, XS10, Upstream (MY-00) R5, XS10, Left Bank (MY-00)
lk
MMl
r
R5, XS10, Downstream (MY-00)
re k ,s
3
7 kr
!L
R5, XS10, Right Bank (MY-00)
6
Vow Wi
tii 04%,
OTL
R5, XS14, Upstream (MY-00)
AM
;6*v,
R5, XS14, Downstream (MY-00)
R5, XS14, Left Bank (MY-00)
47-
R
R5, XS14, Right Bank (MY-00)
Wwo
An
{.-.-
_ G" Y
.a
'r�'a, wig• - �.- _.��. � a 'M �' _„z-`ref a .*` �-• - c ,�, ,��
fir• r � a . A .. �. a $ - 4 .� . 4. �'",� r - ' .X� r s •J -' 1 �., �,, . +nt _
R5, XS15, Upstream (MY-00) R5, XS15, Left Bank (MY-00)
1
-
_z`R^+� ��i �•z^ _ T -"ran' �' -f -
nk- .-- I AiA
Veg Plot 1 (MY-00)
7 r T
:.A� _
M1
tn
-
7/
` 3
Veg Plot 3 (MY-00)
e
Veg Plot 4 (MY-00)
IPMay 27, 2020 at 11:46:21 AM
1 y�Y
5.1 k
VI
Veg Plot 9 (MY-00)
k —
—
s
t
i
Veg Plot 10 (MY-00)
Y
�.�. .ry Est '� �-..F -�-�, `• � �"` � ��``�, "x ��
bf
�,7, X4
Flow Gauge — R1
AM
Crest Gauge (Pressure Transducer) — R5
� 1
i 1
y a „
r �
IY eZ � � 'V'•r � 'e ��a1.y"� �\T['1?� w4� �y6�t,-
Flow Gauge — R2
y
Crest Gauge (Cork) — R5
Appendix C:
Vegetation Monitoring Plot
Data
CVS Project Code 6. Project Name: Horne Creek
Table 5: Baseline Vegetation
Current Plot Data (MYO 2020)
Annual Means
Scientific Name
Common Name
Species Type
006-01-0001
006-01-0002
006-01-0003
006-01-0004
006-01-0005
006-01-0006
006-01-0007
006-01-0008
006-01-0009
006-01-0010
MYO (2020)
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
PnoLS
P-all
T
Alnus serrulata
hazel alder
Shrub
1
1
1
3
3
3
1
1
1
2
2
2
1
1
1
2
2
2
2
2
2
2
2
2
14
14
14
Asimina triloba
pawpaw
Tree
4
4
4
2
2
2
1
1
1
2
2
2
1
1
1
2
2
2
4
4
4
2
2
2
18
18
18
Betula nigra
river birch
Tree
2
2
2
2
2
2
4
4
4
Carpinus caroliniana
American hornbeam
Tree
1
1
1
3
3
3
2
2
2
1
1
1
2
2
2
1
1
1
3
3
3
13
13
13
Cercis canadensis
eastern redbud
Tree
1
1
1
2
2
2
1
1
1
3
3
3
2
2
2
1
1
1
10
10
10
Corylus americana
American hazelnut
Shrub
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
2
2
2
1
1
1
2
2
2
1
1
1
12
12
12
Diospyros virginiana
common persimmon
Tree
1
1
1
1
1
1
2
2
2
4
4
4
2
2
2
2
2
2
12
12
12
Fraxinus pennsylvanica
green ash
Tree
1
1
1
2
2
2
1
1
1
4
4
4
Hamamelis virginiana
American witchhazel
Tree
1
1
1
1
1
1
3
3
3
1
1
1
6
6
6
Lindera benzoin
northern spicebush
Shrub
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
5
5
5
2
2
2
15
15
15
Liriodendron tulipifera
tuliptree
Tree
3
3
3
7
7
7
5
5
5
1
1
1
1
1
1
4
4
4
1
1
1
3
3
3
4
4
4
29
29
29
Nyssa biflora
swamp tupelo
Tree
1
1
1
3
3
3
4
4
4
Nyssa sylvatica
blackgum
Tree
2
2
2
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
8
8
8
Platanus occidentalis
American sycamore
Tree
1
1
1
2
2
2
1
1
1
2
2
2
1
1
1
7
7
7
Quercus alba
white oak
Tree
1
1
1
1
1
1
1
1
1
1
1
1
4
4
4
Quercus rubra
northern red oak
Tree
2
2
2
1
1
1
1
1
1
2
2
2
1
1
1
7
7
7
Tilia americana
IAmerican basswood
ITree
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
5
5
Stem count
size (ares)
size (ACRES)
Species count
Stems per ACRE
14
14
14
16
16
16
14
14
14
18
18
18
18
18
18
17
17
17
17
17
17
20
20
20
19
19
19
19
19
19
172
172
172
1
1
1
1
1
1
1
1
1
1
10
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.25
7
7
7
8
8
8
8
8
8
12
12
12
10
10
10
11
11
11
10
10
10
10
10
10L768.9
10
10
10
10
10
17
17
17
566.6
566.E
566.6
647.5
647.5
647.5
566.6
566.E
566.6
728.4
728.4
728.4
728.4
728.4
728.4
688
688
688
688
688
688
809.4
809.4
809.4
768.9
768.9
768.91
768.91
768.9
696.11
696.11
696.1
Table Sa: Vegetation Plot Mitigation Success Summary Table
Plot #
Planted
Stems/Acre
Volunteers/
Acre
Total
Stems/Acre
Success
Criteria
Met
Average
Stem
Height (ft)
1
566.6
0
566.6
Yes
1.4
2
647.5
0
647.5
Yes
1.6
3
566.6
0
566.6
Yes
1.7
4
728.4
0
728.4
Yes
1.5
5
728.4
0
728.4
Yes
1.2
6
688
0
688
Yes
1
7
688
0
688
Yes
1.6
8
809.4
0
809.4
Yes
1
9
768.9
0
768.9
Yes
1.1
10
768.9
0
768.9
Yes
1.2
Project
Average
696.07
0
696.07
Yes
1.33
Cara Conder
From:
Kayne Van Stell
Sent:
Monday, March 16, 2020 3:49 PM
To:
Cara Conder; Catherine Manner; Christopher Tomsic; Adam McIntyre; Daniel Ingram; Kyle Obermiller;
Emily Dunnigan; Nick Childs
Cc:
George Morris
Subject:
FW: Horne Creek Tribs Planting
Follow Up Flag: Follow up
Flag Status: Flagged
-----Original Message -----
From: Tugwell, Todd J CIV USARMY CESAW (USA) <Todd.J.Tugwell@usace.army.mil>
Sent: Monday, March 16, 2020 3:41 PM
To: Kayne Van Stell <kayne@waterlandsolutions.com>; Haupt, Mac <mac.haupt@ncdenr.gov>; Browning, Kimberly D
CIV USARMY CESAW (USA) <Kimberly.D.Browning@usace.army.mil>; Davis, Erin B <erin.davis@ncdenr.gov>
Cc: Reid, Matthew <matthew.reid@ncdenr.gov>
Subject: RE: Horne Creek Tribs Planting
Kayne,
I understand that there have been delays due to weather, and we have been notified by several providers that planting
has been delayed. As we have told the other providers, I don't have any problem with planting extending into April
provided that you can still meet the 180 timeframe for monitoring. For the upcoming guidance, I believe we will also
state that if planting is not complete by April 30th, the growing season cannot count toward the required years of
monitoring, so just make sure you get all the plants in by that deadline.
Thank you,
Todd Tugwell
Mitigation Project Manager
Wilmington District, US Army Corps of Engineers
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
(919) 554-4884 ext. 58
-----Original Message -----
From: Kayne Van Stell [mailto:kayne@waterlandsolutions.com]
Sent: Monday, March 16, 2020 12:29 PM
To: Tugwell, Todd J CIV USARMY CESAW (USA) <Todd.J.Tugwell@usace.army.mil>; Haupt, Mac
<mac.haupt@ncdenr.gov>; Browning, Kimberly D CIV USARMY CESAW (USA) <Kimberly.D.Browning@usace.army.miI>;
Davis, Erin B <erin.davis@ncdenr.gov>
Cc: Reid, Matthew <matthew.reid@ncdenr.gov>
Subject: [Non-DoD Source] Horne Creek Tribs Planting
Hi All,
This email is to notify the IRT that we are currently constructing the Horne Creek Tributaries mitigation project (USACE
#SAW-2017-01510, DWR #17-1156). We are requesting approval for vegetation planting to be completed by mid to late
April. We understand the standard/guidance is to finish site planting by March 15th as stated in the mitigation plan. As
of today, the contractor and subs/vendors are continuing all construction activities, including planting, and we plan to
install veg plots at least 180 days prior to the initiation of the first year of monitoring (MY1). This may of course change
depending on state/federal restrictions and we'll have to manage accordingly. Hope you and yours stay safe and healthy
during this unprecedented situation.
-Kayne
Kayne M. Van Stell
Vice President, Ecosystem Design Services
Water & Land Solutions
7721 Six Forks Rd, Suite 130
Raleigh, North Carolina 27615
Office (919) 614-5111 1 Mobile (919) 818-8481 1 Email kayne@waterlandsolutions.com
<maiIto: kayne@waterlandsolutions.com>
Appendix D:
Stream Measurement and
Geomorphology Data
Baseline Cross -Sections
Baseline Longitudinal Profile
Table 6a: Baseline Stream Data Summary
Table 6b: Cross-section Morphology Data
Table 6c: Stream Reach Morphology Data
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
Reach ID
R1
Cross Section ID
XS-1
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
944.7
Low Bank Height Elevation (ft)
944.7
Bankfull Max Depth (ft)
2.1
Low Bank Height (ft)
2.1
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
11.1
Change Bank Height Ratio
NA
Looking Downstream
X1 Pool, STA 12+85
Baseline MYO — — Bankfull Elevation Floodprone Area
948
947
y 946
w
o_ 945
w 944
943
942
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
Reach ID
R1
Cross Section ID
XS-2
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
942.9
Low Bank Height Elevation (ft)
942.9
Bankfull Max Depth (ft)
1.0
Low Bank Height (ft)
1.0
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
3.9
Change Bank Height Ratio
NA
Looking Downstream
X2 Riffle, STA 13+32
Baseline MYO — — Bankfull Elevation Floodprone Area
947
946
y 945
w
0 944
r
w943
---------------------------------------------------------- ---------------------------- -------------------------------------
942
941
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
Reach ID
R1
Cross Section ID
XS-3
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
920.8
Low Bank Height Elevation (ft)
920.8
Bankfull Max Depth (ft)
1.9
Low Bank Height (ft)
1.9
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
9.6
Change Bank Height Ratio
NA
Looking Downstream
X3 Pool, STA 20+35
Baseline MYO — — Bankfull Elevation Floodprone Area
924
923
y 922
w
0 921
-
-------------------------------------------------------------- -------------------------------------------------------------
r
w 920
919
918
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
Reach ID
R1
Cross Section ID
XS-4
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
920.6
Low Bank Height Elevation (ft)
920.6
Bankfull Max Depth (ft)
0.7
Low Bank Height (ft)
0.7
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
2.6
Change Bank Height Ratio
NA
Looking Downstream
X4 Riffle, STA 20+47
Baseline MYO — — Bankfull Elevation Floodprone Area
925
924
y 923
w
0 922
r
w 921
920
919
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R4
Cross Section ID
XS-5
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
981.4
Low Bank Height Elevation (ft)
981.4
Bankfull Max Depth (ft)
0.7
Low Bank Height (ft)
0.7
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
3.7
Change Bank Height Ratio
NA
Looking Downstream
X5 Riffle, STA 13+84
Baseline MYO — — Bankfull Elevation Floodprone Area
985
984
y 983
w
0
982
M
w 981
980
979
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R4
Cross Section ID
XS-6
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
980.2
Low Bank Height Elevation (ft)
980.2
Bankfull Max Depth (ft)
2.2
Low Bank Height (ft)
2.2
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
11.6
Change Bank Height Ratio
NA
Looking Downstream
X6 Pool, STA 14+28
Baseline MYO — — Bankfull Elevation Floodprone Area
983
982
y 981
980
r
w 979
978
977
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R4
Cross Section ID
XS-7
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
966.6
Low Bank Height Elevation (ft)
966.6
Bankfull Max Depth (ft)
2.7
Low Bank Height (ft)
2.7
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
12.4
Change Bank Height Ratio
NA
oA
�y
1': l
Looking Downstream
X7 Pool, STA 19+50
Baseline MYO — — Bankfull Elevation Floodprone Area
969
968
y 967
w---------------------------------------------------------
-------------------------------- -------------------
0 966
r
w 965
964
963
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project
DMS Project 4100026
May 2020
Water and Land Solutions
As -Built Report (MYO)
Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R4
Cross Section ID
XS-8
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
966.0
Low Bank Height Elevation (ft)
966.0
Bankfull Max Depth (ft)
0.8
Low Bank Height (ft)
0.8
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
5.1
Change Bank Height Ratio
NA
Looking Downstream
X8 Riffle, STA 19+75
Baseline MYO — — Bankfull Elevation Floodprone Area
969
968
y 967
w
0 966
---------------------------------------------------------------------------------------------- --- ------------------------
r
w 965
964
963
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-9
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
952.2
Low Bank Height Elevation (ft)
952.2
Bankfull Max Depth (ft)
2.5
Low Bank Height (ft)
2.5
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
16.8
Change Bank Height Ratio
NA
Looking Downstream
X9 Pool, STA 25+18
Baseline MYO — — Bankfull Elevation Floodprone Area
955
954
y 953
w
0
----------------------------------
-------------- -- ------------------------------------------ --------------------- -----------------------
952
r
w 951
950
949
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-10
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
951.2
Low Bank Height Elevation (ft)
951.2
Bankfull Max Depth (ft)
1.0
Low Bank Height (ft)
1.0
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
6.9
Change Bank Height Ratio
NA
Looking Downstream
X10 Riffle, STA 25+45
Baseline MYO — — Bankfull Elevation Floodprone Area
955
954
y 953
w
0 952
r
950
949
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-11
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
936.9
Low Bank Height Elevation (ft)
936.9
Bankfull Max Depth (ft)
2.7
Low Bank Height (ft)
2.7
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
23.6
Change Bank Height Ratio
NA
Looking Downstream
X11 Pool, STA 32+70
Baseline MYO — — Bankfull Elevation Floodprone Area
939
938
y937
--------------------------- ------------------------------------------------------------ ------------------------------------
w
0 936
r
w 935
934
933
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-12
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
936.1
Low Bank Height Elevation (ft)
936.1
Bankfull Max Depth (ft)
0.7
Low Bank Height (ft)
0.7
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
4.5
Change Bank Height Ratio
NA
man
rod.
72.a
ry
Looking Downstream
X12 Riffle, STA 32+88
Baseline MYO — — Bankfull Elevation Floodprone Area
939
938
y 937
w
0 936
-------------------------------------------- --------------------------------------- --------------------------------------------------
r
w 935
934
933
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-13
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
924.2
Low Bank Height Elevation (ft)
924.2
Bankfull Max Depth (ft)
2.4
Low Bank Height (ft)
2.4
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
19.9
Change Bank Height Ratio
NA
Looking Downstream
X13 Pool, STA 38+48
Baseline MYO — — Bankfull Elevation Floodprone Area
927
926
y 925
w
v
---------------------------------------------------------------------------------- --
r
w 923
922
921
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
Reach ID
R5
Cross Section ID
XS-14
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
924.0
Low Bank Height Elevation (ft)
924.0
Bankfull Max Depth (ft)
1.2
Low Bank Height (ft)
1.2
Bank Height Ratio
1.0
Bankfull X-section Area (ftz)
8.4
Change Bank Height Ratio
NA
Looking Downstream
X14 Riffle, STA 38+75
Baseline MYO — — Bankfull Elevation Floodprone Area
927
926
y 925
0 924
--------------------------------------------------- ------------------------------------
M
W 923
922
921
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-15
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
914.3
Low Bank Height Elevation (ft)
914.3
Bankfull Max Depth (ft)
0.9
Low Bank Height (ft)
0.9
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
7.7
Change Bank Height Ratio
NA
Looking Downstream
X15 Riffle, STA 44+19
Baseline MYO — — Bankfull Elevation Floodprone Area
918
917
y 916
w
0 915
r
w 914
913
912
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
Project Name
Horne Creek Tributaries Mitigation Project
Project ID
100026
ReachlD
R5
Cross Section ID
XS-16
Field Crew
K. Obermiller, E. Dunnigan
Dimension Data Summary: MYO 2020
Bankfull Elevation (ft)
914.0
Low Bank Height Elevation (ft)
914.0
Bankfull Max Depth (ft)
2.9
Low Bank Height (ft)
2.9
Bank Height Ratio
1.0
Bankfull X-section Area (ft2)
27.1
Change Bank Height Ratio
NA
Looking Downstream
X16 Pool, STA 44+66
Baseline MYO — — Bankfull Elevation Floodprone Area
916
915
y914
---------------------------------------------------------------------------------------------- ------------------------------------------
w
0 913
r
w 912
911
910
0 5 10 15 20 25 30 35 40
Width (feet)
Horne Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project 4100026 As -Built Report (MYO)
May 2020 Monitoring Year 0 of 7
965
955
945
c
0
- 935
m
m
w
W
925
915
905
1000
Horne Creek Tributaries Mitigation Project
Longitudinal Profile - R1
As -Built (MYO 2020)
1200 1400 1600 1800 2000 2200 2400
Station (ft)
Thalweg
Elevation
Water Surface
Elevation
—Left Bank
Elevation
—Right Bank
Elevation
998
996
994
992
990
c
0
m
y 988
W
986
984
982
980
1000
Horne Creek Tributaries Mitigation Project
Longitudinal Profile- R2
As -Built (MYO 2020)
1050 1100 1150 1200 1250
Station (ft)
Thalweg
Elevation
Water Surface
Elevation
-Left Bank
Elevation
-Right Bank
Elevation
986
985.5
985
984.5
984
x
Horne Creek Tributaries Mitigation Project
Longitudinal Profile- R3
As -Built (MYO 2020)
982.5
—
982
—
981.5
—
981
1181
1191
1201
1211
1221 1231 1241 1251
Station (ft)
1261
Thalweg
Elevation
Water Surface
Elevation
—Left Bank
Elevation
—Right Bank
Elevation
990
985
980
975
= 970
c
0
m
y 965
W
960
955
950
945
1313
Horne Creek Tributaries Mitigation Project
Longitudinal Profile - R4
As -Built (MYO 2020)
1513 1713 1913 2113 2313 2513
Station (ft)
Thalweg
Elevation
Water Surface
Elevation
-Left Bank
Elevation
-Right Bank
Elevation
Horne Creek Tributaries Mitigation Project
Longitudinal Profile - R4a
As -Built (MVO 20201
957
956.5
956
955.5
c
0
— 955
N.
m
v
W
954.5
954
953.5
953
1098 1108 1118 1128 1138 1148 1158 1168 1178 1188 1198
Station (ft)
Thalweg
Elevation
Water Surface
Elevation
—Left Bank
Elevation
—Right Bank
Elevation
954.5
954
953.5
_ 953
c
0
m
W 0/ 952.5
952
951.5
951
1072
Horne Creek Tributaries Mitigation Project
Longitudinal Profile- R4b
As -Built (MYO 2020)
1092 1112 1132 1152 1172 1192
Station (ft)
Thalweg
Elevation
Water Surface
Elevation
-Left Bank
Elevation
-Right Bank
Elevation
'1 '� '� 'N Horne Creek Tributaries Mitigation Project
Water Surface Elevation
Survey Error Approx. Longitudinal Profile- IRSSta. 26+30 - 26+40 As -Built (MYO 2020)
960 V V V V
950
k,, Water Surface Elevation
Survey Error Approx.
940 Sta. 40+50 - 40+70
c
Elevation
c 930ror
Lateface
Approx.
0 - 27+60
w
W
920
910
Water Surface Elevation
Water Surface Elevation Survey Error Approx.
Survey Error Approx. Sta. 37+80 - 38+40
Sta. 30+60 - 30+90
900 ;
2519 3019 3519
Station (ft)
Water Surface Elevation
Survey Error Approx.
Sta. 43+35 - 43+40
4019
Water Surface Elevation
Survey Error Approx.
Sta. 47+20 - 47+60
Water Surface Elevation
Survey Error Approx.
Sta. 45+65 - 45+70
4519
Thalweg
Elevation
Water Surface
Elevation
-Left Bank
Elevation
-Right Bank
Elevation
Table 6a. Baseline Stream Data Summary
Horne Creek Tributaries Mitigation Project
Parameter
Design
Baseline
Reach ID: R1
Dimension (Riffle)
Min
Max
Min
Max
Bankfull Width (ft)
-
7.0
6.2
7.6
Floodprone Width (ft)
28.0
65.0
23.9
34.5
Bankfull Mean Depth (ft)
-
0.4
0.4
0.5
Bankfull Max Depth (ft
-
0.6
0.7
1.0
Bankfull Cross Sectional Area (ft)
-
2.9
2.6
3.9
Width/Depth Ratio
-
17.0
14.7
14.8
Entrenchment Ratio
4.0
9.3
3.9
4.5
Bank Height Ratio
-
1.0
1.0
1.0
Profile
Riffle Length (ft)
10.0
20.0
10.7
26.1
Riffle Slope (ft/ft)
0.038
0.062
0.040
0.058
Pool Length (ft)
5.0
20.0
6.8
19.8
Pool Max Depth (ft)
0.8
1.4
0.9
1.9
Pool Spacing (ft)l
10.5
1 35.0
1
10.8
1
35.5
Pattern
Channel Beltwidth (ft)
24.5 56.0
12.4
24.3
Radius of Curvature (ft)
14.0 21.0
12.6
20.3
Rc:Bankfull Width (ft/ft)
2.0 3.0
2.0
2.7
Meander Wavelength (ft)
49.0 84.0
49.2
57.2
Meander Width Ratiol
Transport Parameters
3.5 1 8.0 1
1.7
1
7.9
Boundary Shear Stress Ib/ft2)
0.79
0.84
Max part size (mm) mobilized at bankfull
127.00
135.00
Stream Power (W/m2)
47.60
56.93
Additional Reach Parameters
Rosgen Classification
B4
B4
Bankfull Velocity (fps)
4.2
4.6
Bankfull Discharge (cfs)
12.0
12.0
Sinuosity
1.07
1.12
Water Surface Slope (Channel) (ft/ft)l
0.037
1
0.037
Bankfull Slope (ft/ft)l
0.037
1
0.038
Parameter
Design
Baseline
Reach ID: R2
Dimension (Riffle)
Min
Max
Min
Max
Bankfull Width (ft)
-
6.0
Floodprone Width (ft)
15.0
19.0
-
Bankfull Mean Depth (ft)
-
0.5
-
Bankfull Max Depth (ft)
-
0.6
-
Bankfull Cross Sectional Area (ft)
-
2.8
-
Width/Depth Ratio
-
13.1
-
Entrenchment Ratio
2.5
3.2
-
Bank Height Ratio
-
1.0
-
-
Profile
Riffle Length (ft)
5.0
15.0
5.6
13.1
Riffle Slope (ft/ft)
0.033
0.054
0.047
0.073
Pool Length (ft)
5.0
15.0
8.6
15.3
Pool Max Depth (ft)
0.9
1.6
1.4
2.7
Pool Spacing (ft)l
9.0
1 30.0
11.0
27.1
Pattern
Channel Beltwidth (ft) - - - -
Radius of Curvature (ft) - - - -
Rc:Bankfull Width (ft/ft) - - - -
Meander Wavelength (ft) - - - -
Meander Width Ratio - - I - I -
6M=
Transport Parameters
Boundary Shear Stress Ib/ft2)
0.75
Max part size (mm) mobilized at bankfull
123.00
Stream Power (W/m2)
43.31
-
Additional Reach Parameters
Rosgen Classification
B4
B4
Bankfull Velocity (fps)
4.4
4.4
Bankfull Discharge (cfs)
12.0
12.0
Sinuosity
1.08
1.11
Water Surface Slope (Channel) (ft/ft)
0.030
0.042
Bankfull Slope (ft/ft)
0.030
0.046
Parameter
Design
Baseline
Reach ID: R4
Dimension (Riffle)
Min
Max
Min
Max
Bankfull Width (ft)
-
9.0
7.9
9.6
Floodprone Width (ft)
38.0
79.0
59.0
70.0
Bankfull Mean Depth (ft)
-
0.6
0.5
0.5
Bankfull Max Depth (ft
-
0.8
0.7
0.8
Bankfull Cross Sectional Area ft2
-
5.2
3.7
5.1
Width/Depth Ratio
-
15.6
17.2
18.2
Entrenchment Rati
4.2
8.8
4.2
5.0
Bank Height Rati
-1
1.0
1.0
1.0
Profile
Riffle Length (ft
10.0
30.0
11.5
33.2
Riffle Slope (ft/ft
0.032
0.052
0.027
0.063
Pool Length (ft
10.0
30.0
8.5
25.3
Pool Max Depth (ft
1.2
2.0
1.4
2.6
Pool Spacing (ft
13.5
45.0
20.6
57.9
Pattern
Channel Beltwidth (ft 31.5 72.0 31.7 48.2
Radius of Curvature (ft 18.0 27.0 13.4 24.3
Rc:Bankfull Width (ft/ft) 2.0 3.0 1.7 2.5
Meander Wavelength (ft 63.0 108.0 71.9 111.1
6mm Meander Width Rati 3.5 8.0 9.1 11.6
Transport Parameters
Boundary Shear Stress (lb/ft2
0.93
0.75
Max part size (mm) mobilized at bankful
144.00
123.00
Stream Power W/m2
57.07
46.87
Additional Reach Parameters
Rosgen Classification
B4/C4b
B4/C4b
Bankfull Velocity (fps)
4.2
4.3
Bankfull Discharge (cfs)
22.00
22.0
Sinuosity
1.31
1.32
Water Surface Slope (Channel) (ft/ft)
0.029
0.025
Bankfull Slope (ft/ftj
0.029
1 0.025
Parameter
Design
Baseline
Reach ID: R5
Dimension (Riffle)
Min
Max
Min
Max
Bankfull Width (ft)
-
10.0
10.0
13.3
Floodprone Width (ft)
54.0
134.0
95.0
140.0
Bankfull Mean Depth (ft)
-
0.7
0.5
0.8
Bankfull Max Depth (ft
-
0.9
0.7
1.2
Bankfull Cross Sectional Area ft2
-
7.2
4.5
8.4
Width/Depth Ratio
-
13.9
14.5
27.7
Entrenchment Rati
5.4
13.4
3.4
4.0
Bank Height Rati
-
1 1.0
1.0
1 1.0
Profile
Riffle Length (ft
15.0
30.0
14.8
39.0
Riffle Slope (ft/ft
0.030
0.040
0.015
0.043
Pool Length (ft
15.0
35.0
16.1
41.9
Pool Max Depth (ft
1.4
2.5
2.0
3.1
Pool Spacing (ft
15.0
70.0
37.8
59.7
Pattern
Channel Beltwidth (ft) 35.0 80.0 41.6 56.8
Radius of Curvature (ft) 20.0 30.0 19.3 29.9
Rc:Bankfull Width (ft/ft) 2.0 3.0 1.9 2.2
Meander Wavelength (ft) 70.0 120.0 81.8 107.6
6mm Meander Width Ratio 3.5 8.0 7.6 10.5
Transport Parameters
Boundary Shear Stress (lb/ft2)
0.79
0.75
Max part size (mm) mobilized at bankful
128.00
123.00
1
Stream Power W/m2)'
43.10
42.77
Additional Reach Parameters
Rosgen Classification
C4
C4
Bankfull Velocity (fps)
3.8
3.9
Bankfull Discharge (cfs)
27.0
27.0
Sinuosity
1.21
1.23
Water Surface Slope (Channel) (ft/ft)
0.020
0.020
Bankfull Slope (ft/ft)
0.020
0.020
Table 6b. Monitoring Data - Dimensional Morphology Summary (Dimensional Parameters - Cross Sections)
Horne Creek Tributaries #100026
Cross Section 1 (Pool)
Cross Section 2 (Riffle)
Cross Section 3 (Pool)
Cross Section 4 (Riffle)
Parameters
Base
MY1
MY2
MY3
MY4
MY5
MY,
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Bankfull Width (ft)
8.9
7.6
7.9
6.2
Floodprone Width (ft)
36.7
34.5
33.3
23.9
Bankfull Mean Depth (ft)
1.2
0.5
1.2
0.4
Bankfull Max Depth (ft)
2.1
1.0
1.9
0.7
Bankfull Cross Sectional Area(ft')
11.1
3.9
9.6
2.6
Bankfull Width/Depth Ratio
7.1
14.8
6.4
14.7
Bankfull Entrenchment Ratiol
4.1
1
1
i
i
4.5
4.2
1
3.9
Bankfull Bank Height Ratio
1.0
1.0
1.0
1.0
d50 (mm)
N/a
N/a
N/a
N/a
Cross Section 5 (Riffle)
Cross Section 6 (Pool)
Cross Section 7 (Pool)
Cross Section 8 (Riffle)
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Bankfull Width (ft)
7.9
9.6
9.4
9.6
Floodprone Width (ft)
40.0
40.0
40.0
40.0
Bankfull Mean Depth (ft)
0.5
1.2
1.3
0.5
Bankfull Max Depth (ft)
0.7
2.2
2.7
0.8
Bankfull Cross Sectional Area (ftZ
3.7
11.6
12.4
5.1
Bankfull Width/Depth Ratio
17.2
7.9
7.1
18.2
Bankfull Entrenchment Ratio
5.0
4.2
4.3
4.2
Bankfull Bank Height Ratio
1.0
1.0
1.0
1.0
d50 (mm)
N/a
N/a
N/a
N/a
Cross Section 9 (Pool)
Cross Section 10 (Riffle)
Cross Section 11 (Pool)
Cross Section 12 (Riffle)
Parameters
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Bankfull Width (ft)
12.9
10.0
17.0
11.2
Floodprone Width (ft)
40.0
40.0
40.0
38.5
Bankfull Mean Depth (ft)
1.3
0.7
1.4
0.5
Bankfull Max Depth (ft)
2.5
1.0
2.7
0.7
Bankfull Cross Sectional Area(ft)
16.8
6.9
23.6
4.5
Bankfull Width/Depth Ratio
9.8
14.5
12.2
27.7
Bankfull Entrenchment Ratiol
3.1
1
1
i
i
i
4.0
2.4
3.4
Bankfull Bank Height Ratio
1.0
1.0
1.0
1.0
d50 (mm)
N/a
N/a
N/a
N/a
Cross Section 13 (Pool)
Cross Section 14 (Riffle)
Cross Section 15 (Riffle)
Cross Section 16 (Pool)
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Base
MY1
MY2
MY3
MY4
MY5
MY+
Bankfull Width (ft)
13.0
10.2
13.3
16.6
Floodprone Width (ft)
40.0
40.0
40.0
40.0
Bankfull Mean Depth (ft)
1.5
0.8
0.6
1.6
Bankfull Max Depth (ft)
2.4
1.2
0.9
2.9
K-
Bankfull Cross Sectional Area ftZ
19.9
8.4
7.7
27.1
Bankfull Width/Depth Ratio
8.5
2.4
22.9
10.2
Bankfull Entrenchment Ratio
3.1
1
1
1
1
1
1 3.9
1
1
1
1
1
1
1 3.0
2.4
1
Bankfull Bank Height Ratiol
1.0
1
1
1
1
1
1
1 1.0
1
1
1
1
1
1
1 1.0
1
1
1
1
1.0
d50 (mm)
N/a
I
I
I
I
I
I
I N/a
I
I
I
I
I
I
I N/a
I
I
I
I
N/a
Table 6c. Monitoring Data - Stream Reach Summary
Horne Creek Tributaries Mitigation Project
Parameter
Baseline
MY1
MY2
MY3
MY4
MY5+
eac
l7lin l7lax in l7lax
in
l7lax
in
ax
in
ax
in
ax
Profile
Riffle Length ft
Riffle Slope ft/ft
Pool Lengthq(f
Pool Max depth
Pool S acin
Pattern and Profile data will not typically be
collected unless visual data, dimensional data or
profile data indicate significant deviations from
baseline conditions
Pattern
Channel Beltwidth ft
Radius of Curvature ft
Rc:Bankfull width ft/ft
Meander Wavelength ft
Meander Width Ratio 1.1
Additional Reach Parameters
Ros en ClassifgMetric
B4
Sinuo
Water Surface Sloe Channe
0.0368
BF slope
Ri% / Ru% / P% / G
SC% / Sa% / G% / C% / B%
El
d16/d35/d50/d84
2% of Reach with Eroding
Channel Stabilityor Habitat
Biological or Othe
Parameter Baseline MY1
MY2
MY3
MY4
MY5+
eac
Min I Max Min Max
Min
Max
Min
Max
Min
Max
Min
7ax
Profile
Riffle Length ft
.
Riffle Slope ft/ft
.
Pool Length ft
Pool Max depth ft
Pool Spacing ft
EEII
Profile data will not
ollected unless visual
ional data or profile
rdataindicatesi nifcant deviations
Pattern
Channel Beltwidth ft - -
Radius of Curvature ft- -
Rc:Bankfull width ft/ft- -
Meander Wavelength ft - -
Meander Width Ratio - -
Additional Reach Parameters
Ros en Classification
B4
Sinuosit ft
171
Water Surface Sloe Channel ft/ft
0.0423
BF slope ft/ft
Ri% / Ru% / P% / G% / SO
SC% / Sa% / G% / C% / B% / Be°/
d16/d35/d50/d84/d95
2% of Reach with Eroding Bank
Channel Stability or Habitat Metric
Biological or Othe
Parameter
Baseline
MY1
MY2
MY3
MY4
MY5+
eac
Min Iviax in ax
17lin
iviax
17lin
iviax
in
ax
in
ax
Profile
Riffle Length ft
Riffle Slope ft/ft
Pool Length ft
Pool Max depth ft
Pool S acin ftPattern and Profile data will not
Pattern typically be collected unless visual
Channel Beltwidth ftdata, dimensional data or profile
Radius of Curvature ft
Rc:Bankfull width fit/fit
Meander Wavelength ft
Meander Width Ratio
Additional Reach Parameters
Ros en Classification
Sinuosity ft
Water Surface Sloe Channel ft/ft
BF slope ft/ft
Ri% / Ru% / P% / G% / S%
SC%/Sa%/G%IC%/B%/Be%
d16/d35Id50/d84/d95
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Other
Parameter Baseline MY1
MY2
MY3
MY4
myb+
eac
Min Max Min Max
Min
Max
Min
Max
Min
Max
Min
Max
Profile
Riffle Length ft
Riffle Slope ft/ft
Pool Length ft
Pool Max depth ft
Pool S acin ft
Pattern and Profile data will not
typically be collected unless visual
data, dimensional data or profile
data indicate si nificant deviations
Pattern
Channel Beltwidth ft
Radius of Curvature ft
Rc:Bankfull width ft/ft
Meander Wavelength ft
Meander Width Ratio
Additional Reach Parameters
Ros en Classification
C4
Sinuosit ft
Water Surface Sloe Channel ft/ft
BF slope(ft/ft)
0.01984
Ri% / Ru% / P% / G% / S%
SC%/Sa%/G%/C%/B%/Be%
d16/d35/d50/d84/d95
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Othe
Appendix E: As -Built
Survey/Record Drawings
D,,,Sign Envelope ID'. D7BBB737{132-407D-9941-28AF7F09EE24
DEPARTMENT OF ENVIRONMENTAL QUALITY - DIVISION OF MITIGATION SERVICES
HORNE CREEK TRIBUTARIES MITIGATION PROJECT
CERTIFICATE OF AS -BUILT SURVEY AND ACCURACY
GROUNDSURVEYWAS PERFORMEDATTHE9 CONFIDENCE LEVELTO MEET FEDERAL GEOGRAPHIC DATA
COMMITTEE STANDARDS; THAT THIS SURVEY WAS PERFORMED TO MEET THE REQUIREMENTS FOR A
TOPOGRAPHI CJPIAN IM URIC SURVEY TO THE ACCURACY OF CLASS "A" AND VERTICAL ACCURACY WHEN
APPUCABLE TO THE CLASS "A" STANDARD, AND THAT THE ORIGINAL DATA WAS OBTAINED BEFORE 6/27/2020;
THAT THE SURVEY WAS COM PITTED BEFORE 6/27/2020; THAT CONTOURS SHOWN AS [BROKEN UNES]
MAY NOT MEET THE STALED STANDARD; AND ALL COORDINATES ARE BASED ON'NAD 83/2011 AND
ELEVATIONS ARE BASED ON NAVD88/GEOID 12A.
(1) CLASS OF SURVEY:A
(2) POSITIONALACCURACY: 0.07'
(3) TYPE OF GPS FIELD PROCEDURE: RTK/VRS
(4) DATESOFSURVEY: 6/27/2020
('I DATUM/EPOCH: NAD83/20II
(6) GEOID: I2A
(7) COMBINED GRID FACTOR: 0.99999453
(8) UNITS: USSURVEY FEET
(9) CORSSTATION: NCNW NCST DOM
ITY ORIGINAL SIGNATURE, REGISTRATION NUMBER, AND SEAL THIS THE �`"' DAYOF
OFFICIAL SEAL
1I IIIIINCPI III iiri2i(7T,
.L.LSi�G2
SURRY COUNTY, NORTH CAROLINA
NCDEQ - DMS PROJECT ID # 100026
NCDEQ - DMS CONTRACT #7181 UNDER RFP 16-006993
YADKIN RIVER BASIN (CU 03040101)
USACE ACTION ID # SAW-2017-01510
TYPE OF WORK: STREAM MITIGATION
- i .I O �� gFT�IN T`TIN CTRI IT`TIT1N R't
SHEET INDEX
1 COVER SHEET
2 LEGEND
3-10 PLAN AND PROFILE
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7721 Six Fork Rd., Suite 130
Raleigh, NC 27614
(919)614-5111
waterlandsolutions.com
PROJECT ENGINEER
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8/3/2020
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ENGINEERING SERVICES BY
WLS ENGINEERING, PLLC
FIRM LICENSE NO. P-1480
REVISIONS
A
DRAFT MIT PLAN
12-13-18
B
DRAFT FINAL MIT PLAN
5-8-19
C
FINAL MIT PLAN
7-26-19
D
IFC PLANS
2-2-20
E
AS -BUILT PLANSjFOR REVIEW ONLY)
7-2-20
F
FINAL AS -BUILT PLAN
8-3-20
PROJECT NAME
HORNE CREEK
TRIBUTARIES
MITIGATION
PROJECT
SURRY COUNTY, NC
DRAWING INFORMATION
PROJECT NO.: 100026
FILENAME :ASB_01_HORNE CREEK_COVER.DWG
DESIGNED BY: CAT
DRAWN BY: APL
DATE: 8-3-20
HORIZ. SCALE: 1"= 500'
VERT.SCALE: N/A
4
250 125 0 250 500
GRAPHIC SCALE
SHEET NAME
COVER
SHEET
SHEET NUMBER
1
D—Sign Envelope ID'. D7BBB737{132-401D-9941-28AF7F09EE24
LEGEND
WATER & LAND
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ROOTWAD
SOLUTIONS
LOG VANE
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LOG WEIR
7721 Six Fork Rd., Suite 130
LOG STEP -POOL
Raleigh, NC 27614
(919) 614-51 1 1
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ENGINEERING
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GEO LIFT W/ TOEWOOD
REVISIONS
A
DRAFT MIT PLAN
12-13-18
B
DRAFT FINAL MIT PLAN
5-8-19
PROPOSED OUTLET CHANNEL
C
FINAL MIT PLAN
7-26-19
D
IFC PLANS
2-2-20
E
AS -BUILT PLANSjFOR REVIEW ONLY)
7-2-20
OHE
EXISTING OVERHEAD ELECTRIC
F
FINAL AS -BUILT PLAN
8-3-20
NO.
DATE
TEMPORARY STREAM CROSSING
PROJECT NAME
HORNE CREEK
PERMANENT STREAM CROSSING
CE CE
PROPOSED CONSERVATION EASEMENT BOUNDARY
TRIBUTARIES
--------- 100---------
EXISTING MAJOR CONTOUR
MITIGATION
EXISTING MINOR CONTOUR
PROJECT
100
PROPOSED MAJOR CONTOUR
101
PROPOSED MINOR CONTOUR
SURRY COUNTY, NC
LID LID
LIMITS OF DISTURBANCE
DRAWING INFORMATION
PROJECT NO.: 100026
C/F C/F
CUT/FILL LIMITS
FILENAME:ASB 02 HORNE CREEK_SYMBOLS.DWG
—WLB WLB —
EXISTING WETLAND BOUNDARY
DESIGNED BY: CAT
EXISTING WOODLINE
DRAWN BY: CAT/APL
DATE: 8-3-20
PROPOSED TOP OF STREAM BANK
HORIZ. SCALE: N/A
EXISTING PROPERTY BOUNDARY
VERT.SCALE: N/A
EXISTING FENCE
15+00
PROPOSED CENTERLINE (THALWEG)
x x
PROPOSED FIELD FENCE
TP TP n
PROPOSED TREE PROTECTION FENCE
EXISTING TREE
PROPOSED WATER QUALITY TREATMENT FEATURE
SHEET NAME
PROPOSED FLOODPLAIN POOL
CHANNELBLOCK
CHANNEL FILL
LEGEND
PROPOSED GATE
EXISTING STRUCTURE
EXISTING WETLAND AREA
SHEEP NUMBER
EAS-BUILTA
2
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REVISIONS
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A
DRAFT MIT PLAN
12-13-18
B
DRAFT FINAL MIT PLAN
5-8-19
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7-26-19
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8-3-20
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DRAWING INFORMATION
PROJECT NO.: 100026
FILENAME :ASB 03-10 HORNE CREEK PP SHEETS.DNIG
DESIGNED BY: CAT
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DRAWN BY: CAT/APL
DATE: 8-3-20
HORIZ. SCALE : 1"= 60.
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D,,,Sign Envelope ID'. D7BBB737{132-407D-9941-28AF7F09EE24
KIGER RD. (SR-2071)
30' R.O.W.
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WATER & LAND
SOLUTIONS
7721 Six Fork Rd., Suite 130
Raleigh, NC 27614
(919)614-5111
waterlandsolutions.com
PROJECT ENGINEER
8/3/2020 .S/ 16
SEAL l
DocuSigned by:
W.
BA3E3C1BF67B48F...
��4##,, PHE R v',,,,,��
ENGINEERING SERVICES BY
WLS ENGINEERING, PLLC
FIRM LICENSE NO. P-1480
REVISIONS
A DRAFT MIT PLAN 12-13-18
B DRAFT FINAL MIT PLAN 5-8-19
C FINAL MIT PLAN 7-26-19
D IFC PLANS 2-2-20
E AS -BUILT PLANS(FOR REVIEW ONLY) 7-2-20
F FINAL AS -BUILT PLAN 8-3-20
PROJECT NAME
HORNE CREEK
TRIBUTARIES
MITIGATION
PROJECT
SURRY COUNTY, NC
DRAWING INFORMATION
PROJECT NO.: 100026
FILENAME :ASB 03-10 HORNE CREEK RE SHEETS.DNIG
DESIGNED BY: CAT
DRAWN BY: CAT/APL
DATE : 8-3-20
HORIZ. SCALE: 1"= 60'
VERT. SCALE : 1"= 12'
30 15 0 30 60
GRAPHIC SCALE
SHEET NAME
PLAN AND
PROFILE
SHEET NUMBER
4
AS -BUILT
D,,,Sig, Envelope ID'. 3F2147BC-6C06-48C3-A9FBF6D3ABA095CF
BEGIN STATION gµgRUCTION R2
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D IFC PLANS 2-2-20
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NO. DATE
PROJECT NAME
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D IFC PLANS 2-2-20
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NO. DATE
PROJECT NAME
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D IFC PLANS 2-2-20
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NO. DATE
PROJECT NAME
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C FINAL MIT PLAN 7-26-19
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NO. DATE
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7721 Six Fork Rd., Suite 130
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DRAFT MIT PLAN
12-13-18
B
DRAFT FINAL MIT PLAN
5-8-19
C
FINAL MIT PLAN
7-26-19
D
IFC PLANS
2-2-20
E
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7-2-20
F
FINAL AS -BUILT PLAN
8-3-20
PROJECT NAME
HORNE CREEK
TRIBUTARIES
MITIGATION
PROJECT
SURRY COUNTY, NC
DRAWING INFORMATION
PROJECT NO.: 100026
FILENAME :ASB 03-10 HORNE CREEK PP SHEETS.ONIG
DESIGNED BY: CAT
DRAWN BY: CAT/APL
DATE: 8-3-20
HORIZ. SCALE: 1"= 60'
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7-26-19
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REVISIONS
A
DRAFT MIT PLAN
12-13-18
B
DRAFT FINAL MIT PLAN
5-8-19
C
FINAL MIT PLAN
7-26-19
D
IFC PLANS
2-2-20
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AS -BUILT PLANSjFOR REVIEW ONLY)
7-2-20
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FINAL AS -BUILT PLAN
8-3-20
\ PROJECT NAME
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DRAWING INFORMATION
PROJECT NO.: 100026
FILENAME :A B_11 HORNE CREEK MONITORING PLANAWG
DESIGNED BY: CAT
DRAWN BY: CAT/APL
KEVIN E. BROWN 8 W IFE
PATRICIAG.BROWN DATE: 8-120
PIN: 5952-O0G34989
IDS 802PG810 HORIZ. SCALE: 1"=150'
VERT.SCALE: N/A
75 37.5 0 75 150
GRAPHIC SCALE
SHEET NAME
MONITORING
PLAN
SHEEFNUMBER
AS —BUILT 1 12