20071420 Ver 1_Mitigation Report_20081029

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Monitoring _Firm: Michael Baker Engineering, Inc.
8000 Regency Parkway, Suite 200
Cary, NC 27518
' Monitoring Firm POC: Kevin Tweedy
EEP Proiect Manager: Guy Pearce
' Prepared for: NCDENR - NC Ecosystem Enhancement Program
2728 Capital Blvd, Suite 1H 103
Raleigh, NC 27604
Date Submitted: October 2008
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Contract Number: D06043-A
USGS Cataloging Unit: Roanoke River Basin, 03010103
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NCDWQ Sub-basin: 03-02-01 DENR-WATER UUHt. ,
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MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT NRE"EIVEL)
OCTOBER 2008 -MONITORING YEAR 0 OF 5 (BASELINE DATA)
O C T 1 5 2008
NC ECOSYSTEM
ENHANCEMENT PROGRAM
Pinch Gut Creek Stream Restoration Project
Mitigation Plan Report - Monitoring Year 0 of 5
Stokes County, North Carolina

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EXECUTIVE SUMMARY
The Pinch Gut Creek Restoration Site was restored through a full delivery contract with the North
Carolina Ecosystem Enhancement Program (NCEEP). This report documents the completion of the
restoration construction and presents as-built monitoring data for the five-year monitoring period. Table
1 summarizes site conditions before and after restoration as well as the conditions predicted in the
previously approved site restoration plan. The monitoring plan and as-built data (Year 0 - Baseline) are
discussed in detail in Sections 2.1 through 2.5 of this mitigation report.
Table 1
Background Information
Pre-Construction Site Conditions
Site
Location Stokes County, NC (see Figure 1), approximately five miles
northeast of the Town of Pilot Mountain, NC.
USGS Hydro Unit 03010103-170030
NCDWQ Sub-basin 03-02-01
Contract Mitigation Units 10,000 SMU
Stream
Reach Length Channel Condition and Stream Type Drainage Area
UTl Rl 1,484 LF Channelized & Incised, B4 0.15 miz
UTl_R2 1,952 LF Incised, tortuous meander geometry, E4 0.41 mil
UTl R3 1,647 LF Straightened & incised, G4 0.48 mi'-
UTl R4 2,677 LF Straightened & incised, E4 1.19 mi2
UT2 54 LF Moderately entrenched, G5 0.02 miz
UT3 256 LF Incised & unstable, lacked significant channel
classification features 0.02 miz
UT4 96 LF Unstable, lacked significant channel
classification features 0.10 mil
UTS Rl 969 LF Unstable & eroded, quasi-equilibrium, G4c 0.34 miz
UTS R2 842 LF Channelized & moderately incised, G4 0.49 miz
UT6 1,648 LF Incised & eroded, 134 0.12 miz
UT7 299 LF Moderately eroded & slightly incsied, 133 0.61 miz
Total 11,924 LF 1.67 miZ
Restoration Plan
Stream
Reach Restoration/Enhancement Type Length
UT1 Rl Restoration - Priority Level I & II approaches 1,471 LF
UTl R2 Restoration - Priority Level I & II approaches 1,519 LF
UTl_R3 Restoration - Priority Level I & II approaches 1,414 LF
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
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UT1 R4
- Restoration & Enhancement - Priority Level I & 11
approaches 2,350 LF
UT2 Restoration - Priority Level II approach 46 LF
UT3 Restoration - Priority Level II approach 458 LF
UT4 Restoration - Priority Level II approach 101 LF
UTS R1 Restoration - Priority Level II approach 935 LF
UTS R2 Restoration - Priority Level II approach 778 LF
UT6 Restoration - Priority Level 11 approach 1,550 LF
UT7 Enhancement - Level II approach 299 LF
Total
Post-Constructi
Stream
on Site Conditions 10,921 LF
Reach Restoration/Enhancement Type Length SMU
UTl R1 Restoration - Priority Level I & II approaches 1,494 LF 1,494
UTl R2 Restoration - Priority Level I & II approaches 1,506 LF 1,506
UTl R3 Restoration - Priority Level I & II approaches 1,427 LF 1,427
UTl R4 Restoration - Priority Level I & II approaches 2,302 LF 2,302
UT2 Restoration - Priority Level II approach 45 LF 45
UT3 Restoration - Priority Level I & 11 approaches 428 LF 428
UT4 Restoration - Priority Level II approach 60 LF 60
UTS R1 Restoration - Priority Level I & II approaches 953 LF 953
UTS R2 Restoration - Priority Level I & 11 approaches 791 LF 791
UT6 Restoration - Priority Level I & II approaches 1,575 LF 1,575
UT7 Enhancement - Level 11 approach 292 LF 117
Total 10,873 LF 10,698
Riparian Buffer Acreage
Planted Riparian Buffer Acreage -27 AC
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

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Ecological Benefits
Nutrient, sediment, and erosion reduction; increased dissolved oxygen
Water Quality concentrations and pollutant retention; improved stream bank stability.
Increased water storage/flood control; reduced downstream flooding by
Water Quantity/Flood Attenuation reconnecting stream with its floodplain; improved groundwater recharge;
improved/restored hydrologic connections.
Improved substrate and in-stream cover; addition of large woody debris;
Aquatic and Terrestrial Habitat reduced water temperature by increasing shading; restoration of

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Monitoring
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Success is measured with permanent cross-sections, vegetation plots,
crest gauges, and a longitudinal profile conducted annually for a period
Success Criteria of five years. Additionally, photographs will be used to evaluate channel
aggradation or degradation, bank erosion, riparian vegetation, and
effectiveness of erosion control measures.
Cross-sections and longitudinal profile are surveyed annually and tied to
a common benchmark along all reaches. Crest gauges (2) will monitor
flooding frequency during post-restoration conditions. Each tree planted
Methodology within the 100-square-meter vegetation plots are flagged and identified.
Measurements of height and diameter are also taken and annual survival
rates are recorded.
Remedial Action N/A
MICHAEL BAKER ENGINEERING, INC. IV
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

Table of Contents
1.0 Background Information ......................................................................................................... ... 1 '
1.1 Restoration Summary .......................................................................................................................... ....1
1.2
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3 Project Maps .......................................................................................................................................
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2.0 Monitoring Plan ........................................................................................................................ 10
2.1 Stream Monitoring .............................................................................................................................. ..10 '
2.2 Vegetation Monitoring ........................................................................................................................ ..11
2.3 Maintenance and Contingency Plan .................................................................................................... ..12
2.4 Monitoring Results - 2008 As-Built Data .......................................................................................... ..12
2.5 Areas of Concern ................................................................................................................................ ..16
3.0 References ..................................................................................................................................17 ,
Tables '
Table 1 Background Information ................................................................................................... ...I
Table
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bl 2 Summary of As-built Stream Types and Description .......................................................
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e Summary of As-built Lengths, Mitigation Units, and Restoration Approaches ............... ..8
Table 4 Vegetation Species Planted Across the Restoration Site .................................................. 12
Table 5 Initial Stem Counts for Each Species Arranged by Plot ................................................... 14
Figures ,
Figure 1 Project Vicinity Map .................................................................................4
Figure 2 Restoration Summary and Conservation Easement Map ........................................5

Appendices
Appendix 1 Selected Project Photographs
Appendix 2 As-Built Cross-Sections and Longitudinal Profile
Appendix 3 As-Built Plan Sheets

MICHAEL BAKER ENGINEERING, INC. V
PINCH GUT CREEK MITIGATION REPORT '
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
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1.0 BACKGROUND INFORMATION
The Pinch Gut Creek Stream Restoration Site ("Site") is located in Stokes County, NC (Figure 1),
approximately five miles northeast of the Town of Pilot Mountain. The Site lies in the Roanoke River Basin
within North Carolina Division of Water Quality sub-basin 03-02-01 and targeted local watershed 03010103-
170030. To visit the site, take the Pilot Mountain Parkway (US-52) north to Exit 134. Then turn right/east
onto NC-268 (S. Key St.) towards Pilot Mountain, NC. Continue heading northeast on NC-268 (Old US-52)
through Pilot Mountain and turn left slightly onto Pilot Westfield Road (SR 1199). Follow SR 1199
approximately 4 miles and turn left onto Brown Mountain Road. Finally, travel approximately 0.2 miles and
turn right onto Love Road to access the site via a farm access road approximately 0.6 miles north.
The project involved the restoration and enhancement of unnamed tributaries to Pinch Gut Creek. A total of
10,581 linear feet (LF) of stream were restored, and 292 LF of stream were enhanced based on the
construction as-built survey. Figure 2 summarizes the location of the restoration and enhancement areas on
the project site. Selected site photographs are shown in Appendix 1. The recorded conservation easement
totaling 31.8 acres is being revised at the time of this report to include 3.5 additional areas that will protect the
streams and riparian buffers in perpetuity. See Figures 2a and 2b for the Restoration Summary and
Conservation Easement location.
1.1 Restoration Summary
1.1.1 Mitigation Goals and Objectives
The specific goals for the Pinch Gut Creek Site Restoration Project were as follows:
• Restore functional stream channels
• Restore and enhance existing riparian wetlands
• Establish native stream bank and floodplain vegetation within the permanent conservation easement
• Improve water quality in the Pinch Gut Creek watershed by reducing sediment and nutrient inputs
by fencing cattle out of the streams and reducing bank erosion
• Improve aquatic and riparian habitat functions by creating deeper pools with in-stream structures.
1.1.2 Projection Description and Restoration Approach
After examining the assessment data collected at the site and exploring the site's potential for restoration,
an approach to the site was developed that addressed restoration of stream functions within the
agricultural field areas. Topography and soils on the site indicated that the project area most likely
functioned in the past as a headwater tributary stream system with associated wetland areas from hillslope
seepage, which fed into the larger Pinch Gut Creek system.
Therefore, a design approach was formulated to restore this type of system. First, appropriate stream
types for the valley types and slopes were selected and designed to tie into the downstream road culverts.
Special consideration was given to minimizing disturbance to existing wetland and wooded areas.
For analysis and design purposes, the on-site streams were divided into 11 reaches (Figure 2). Six
tributaries flow directly into a single-thread unnamed tributary (mainstem UTl) from the beginning of the
perennial portion of UT1 to Pell Road (SR 1215) and the project limits. The reaches were numbered
sequentially from west to east with tributaries carrying a UT designation followed by the reach number.
The project watershed boundary is confined within nearby roads and divided into sub-watersheds for each
corresponding reach. UTl flows from west to cast and ends at a culvert under Pell Road. UT1 is split
into four sub-reaches beginning with UT1_R1 at the headwaters and ending at the UT4 confluence.
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
UT1_R2 continues northeast and ends at the northern property line. UTl_R3 starts at the adjoining
property lines, and ends at the UT5 _R2 confluence. UT1_R4 continues from the UT5_R2 confluence
northeast to the confluence with UT7. UT2 flows from the southwest, and ends at the confluence with
UT1_Rl. UT3 flows from the northwest and ends after a short distance at the confluence with UT1_R1
just downstream of UT2. UT5 _R1 flows into the project from the southwest and ends at the confluence
with UT6. UT5_R2 continues from that point and ends at the confluence with UT1_R3. UT6 flows into
the Site from the south and ends at the confluence with UT5_R2. UT7 begins approximately 300 LF
upstream of the UTl_R4 confluence.
The overall restoration approach for the Site allows stream flows larger than bankfull flows to spread onto
the floodplain, dissipating flow energies and reducing stress on streambanks. In-stream structures were
used throughout all reaches to control streambed grade, reduce streambank stress, and promote bedform
sequences and habitat diversity. The in-stream structures consist of root wads, log vanes, log weirs, cross
vanes, grade control j-hooks, and constructed riffles, which promote a diversity of habitat features in the
restored channel. Where grade control was a consideration, constructed riffles were installed to provide
long-term stability. Streambanks were stabilized using a combination of erosion control matting,
temporary and permanent seeding, bare-root planting, and transplants. Transplants provide living root
mass to increase streambank stability and create holding areas for fish and aquatic biota. The Site was
planted with native vegetation as shown in Table 4 and is protected through a permanent conservation
easement. Table 2 provides a summary of the construction as-built stream types and description, whereas
Appendix 2 contains the supporting as-built survey data for the project reaches.
Table 2
Summary of As-built Stream Types and Description
UT1_R1 B/C A stable cross-section was achieved and stream functionality was restored by installing
in-stream structures to control grade and reduce bank erosion while providing a
bankfull bench where allowable. A step-pool design approach was constructed
throughout the upper section until approximate Sta. 20+00. Pattern was adjusted in the
lower section to address the eroding streambanks and a bankfull bench was constructed
to restore the stream with a functioning floodplain at a lower elevation. (Rosgen
Priority Level I & II approach)
UT1_R2 C A stable cross-section was achieved and stream functionality was restored by installing
in-stream structures and constructed riffles to control grade and reduce bank erosion
while providing a bankfull bench throughout most of the reach. Due to the tortuous
mender geometry in the existing lower section, the as-built channel sinuosity was
lowered to represent a higher functioning stream pattern.
(Rosgen Priority Level I & II approach)
UT1_R3 Be A combination of step-pool and riffle-pool design approaches were constructed
throughout the reach to restore dimension, pattern, & profile. A bankfull bench was
constructed in the upper section until approximate Station 46+50 (Rosgen Priority
Level II). At this point the valley width narrows and valley slopes increase, thus a
step-pool sequence was constructed throughout a majority of the remaining reach. The
new channel was reconnected to the remnant floodplain, grade control structures were
installed, and sinuosity was increased from Sta. 50+00 thru 58+00 (Rosgen Priority
Level I approach).
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

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UTl Cb A stable cross-section was achieved and stream functionality was restored by installing
_ in-stream structures to control grade and reduce bank erosion while providing a
bankfull bench where allowable. (Rosgen Priority Level I & II approach). On-site
alluvium was harvested for the constructed riffles to promote bedform diversity and
grade control structures were installed throughout the reach to help establish bed and
bank stability.
UT2 B Step-pool structures were installed to control grade and enhance bedform diversity,
while also stabilizing the farm crossing culvert and restoring the streambanks/channel
before the confluence with UT1_Rl. (Rosgen Priority Level II approach)
UT3 B The dam crossing was regraded and stabilized allowing the existing pond to drain more
freely. A remnant channel was allowed to form on its own and wetland area will be
restored within the historic valley drainage system. Step-pool structures and a
constructed riffle were installed to control grade and reduce bank erosion from Sta.
12+60 to end Sta. 14+58. (Rosgen Priority Level II approach)
UT4 B A double drop cross-vane was installed to control grade and create bedform diversity.
A bankfull bench was graded in lower section to restore the stream with a functioning
floodplain at its confluence with UTl_Rl. (Rosgen Priority Level I & II approach)
UT5_Rl B/C A stable cross-section was achieved and stream functionality was restored by installing
in-stream structures and utilizing bedrock knickpoints to control grade, reduce bank
erosion, and facilitate adequate sediment transport throughout the system. A step-pool
design approach was constructed throughout most of the reach.
(Rosgen Priority Level I & II approach)
UT5_R2 B/C A stable cross-section was achieved and stream functionality was restored by installing
in-stream structures and utilizing bedrock knickpoints to control grade, reduce bank
erosion, and facilitate adequate sediment transport throughout the system. A step-pool
design approach was constructed throughout most of the reach.
(Rosgen Priority Level I & II approach)
UT6 B Step-pool structures were installed to control grade and enhance bedform diversity
throughout the reach. Pattern was adjusted in the lower section to address the eroding
streambanks and a bankfull bench was constructed to restore the stream with a
functioning floodplain at a lower elevation. (Rosgen Priority Level I & II approach)
UT7 B An Enhancement Level I approach was used to restore dimension and profile to various
sections of the reach by installing in-stream structures to reduce near bank stress and
bank erosion.
All Reaches n/a Riparian buffers at least 50 feet in width were established along all stream reaches.
Cattle have been excluded from all buffer areas through the use of fencing except for
stream crossing locations as shown on the as-built drawings. All buffer areas will be
rotected b a perpetual conservation easement.
' MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

1.2 Project Maps
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Project Site
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Project Location
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NC f
MU 0;3010103 0 D06043-A
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Figure 1. Project Vicinity Map
;' - Pinch Gut Creek Site
Stokes County, NC J
_? 0 0.250.5 1 1.5
Miles
MICHAEL BAKER ENGINEERING. INC. 4
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
Legend
- - - As-Built Fencing Location
As-Built Stream Alignment
Stream Crossing
Recorded Conservation Easement (31.8 acres)
Additional EasementAreas (3 5 acres)
f'efI Rd
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iefdRa ; BRMtzto 44.
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:?; 7 0 500 1,000 Restoration Summary &
f Feet Recorded Conservation
Easement Map
MD06043-A Pinch Gut Creek Site
,A

MICHAEL BAKER ENGINEERING, INC. 5
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
Legend
- - - As-Built Fencing Location
As-Built Stream Alignment
Stream Crossing
Revised Conservation Easement (35 3 acres)
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UT 7
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t-igure to
r' 0 500 1,000 Restoration Summary &
t•--r r Feet Revised Conservation
.. Easement Map
#DO6043-A Pinch Gut Creek Site
MICHAEL BAKER ENGINEERING. INC. 6
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

' 1.3 Construction Summary and Table
Construction activities, in accordance with the approved restoration plan and permits for the Site, began in
early November 2007 near the middle of the project (UT1 mainstem) with site preparation, harvesting of root
wads, and establishment of the staging areas, haul roads, and stockpile areas. Materials were stockpiled as
' needed for the initial stages of construction.
Stream construction began with the installation of a temporary rock dam at the downstream section of
UT1_R2, Sta. 40+50. After existing trees were harvested for root wads, log vanes, and cover logs, the
designated benching limits were excavated to the design grades throughout the floodplain areas as the
contractor worked from downstream to upstream. Grade stakes were installed along the thalweg and bench
limits to direct the grading activities. The excavated material was stockpiled in specified areas near field
ditches and existing channels that were to be filled. Where necessary, silt fencing was installed between
stockpiles and the active ditches to prevent erosion of sediment into the channel.
Once the floodplain grades were established, the new design channel was excavated and constructed mostly in
the dry. Where necessary, a pump-around operation was used in certain sections of the project reaches.
Construction of the stream channel began at the downstream end of the UT1_R2 and moved in an upstream
direction for the entire length of UTl mainstem channel (UT1_R2 and UT1_R1). Upon completion of new
channel segments, in-stream structures, coir fiber matting, and vegetation transplants were installed before
' moving to the next section. All disturbed areas were covered with temporary and permanent seed and straw
before mobilizing to the next project area.
' As construction continued upstream along UT1, reaches UT4, UT3, UT2 were built in succession per the
approved design plans. In-stream structures varied slightly from the design plans along sections of UT1_R1
to promote bedform diversity and increase vertical stability. Along UT4, a constructed riffle was added
' downstream of the double drop cross vane and boulder steps (2) were substituted on UT2. From station
10+00 thru 14+00, step-pools were substituted for constructed riffles due to existing bedrock features and root
wads were omitted based on moderate bed and bank stability. Onsite cobble material was reused for the riffle
near Sta. 13+50. Additionally, `ABC' stone was added to the stream crossings before mobilizing to the next
' project area. The in-stream structures and stream crossing locations are shown on the as-built plan sheets
within Appendix 3.
After completion of the upstream reaches, construction activities continued along the UTl mainstem,
' R3 (Sta. 43+30) and UT1_R4 (Sta. 57+60) respectively. Temporary rock dams were installed near Sta.
UT1
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57+00 and 81+00 as construction crews worked downstream simultaneously on both reaches. Construction
procedures and activities were consistent with the upstream reaches (UT1_R1 & UT1_R2) and for the
remainder of the project. The temporary stream crossing near Sta. 46+60 was omitted and the haul road
remained on the left side of the channel. On UT1_R3, additional silt fencing was installed along the toe of
slope from sta. 48+50 to 55+50. Boulder step-pools were substituted for constructed riffles near sta. 50+30,
' 52+00, 52+75, and grade control j-hooks were added to promote bedform diversity and increase vertical
stability. The design pattern was adjusted in the field near Sta. 54+00 to accommodate existing topography
and enhance wetland hydrology. In-stream structures, vegetation transplants, and pattern alignments are
shown on the as-built plan sheets within Appendix 3.
Once construction activities were completed on UT1_R3, crews continued working downstream on UT1_R4
near Sta. 59+00. Existing trees were harvested for root wads, log vanes, and cover logs. Benching
excavation was completed in the designated floodplain areas and stream crossings were installed per the
' design plans and shown in Appendix 3. To accommodate the proposed stream crossing, the design pattern
was straightened in the field due to the steep existing topography near Sta. 69+00. A cross vane was installed
along with a log step-pool sequence to provide grade control and aquatic habitat. Additionally, grade control
j-hooks were installed as a substitute for constructed riffles to promote bedform diversity in this section and
' onsite bed material was stockpiled and reused to install riffles throughout UTl R4.
MICHAEL BAKER ENGINEERING, INC. 7
' PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

Near the end of UT1_R4, near Sta. 80+00, the channel dimension was redefined and the thalweg was
realigned to prevent further erosion of the left bank. A scour pool was excavated at the downstream end of
the culvert, a log vane installed, and a riffle was built using onsite alluvium. After the mainstem (UT1) was
fully prepared, temporary rock dams at the downstream ends of the channels were removed, and water was
directed into the newly constructed channel. Abandoned field ditches and remnant channels were filled and
graded, and all disturbed areas were covered with temporary and permanent seed and straw before mobilizing
to the next project area.
Enhancement activities on Reach UT7 consisted of adding a rock vane and boulder toe protection from
approximate Sta. 11+00 thru 12+20. Excess bench cut material was respread in the field area and all
disturbed areas were covered with temporary and permanent seed and straw before mobilizing to the next
project area.
Construction activities continued at the beginning of Reach UT6, Sta. 10+00 with the installation of a stream
crossing and a pump-around operation. Most of the stream work was confined within the existing stream
channel along UT6 with the exception of Sta. 20+50 thru 22+30. Here, the channel alignment was adjusted to
the lowest part of the valley to avoid further scouring along the right bank and promote wetland hydrology.
Log weir structures were primarily used throughout the reach to provide grade control and allow the section to
function as a step-pool channel, however, existing bedrock features were utilized near Sta. 13+50 and 14+50
as well as boulder steps and grade control log j-hooks near Sta. 19+80 and 23+00. Upon completion of the
UT6 channel segments, coir fiber matting and transplants were installed along both banks as shown on the as-
built plan sheets in Appendix 3 and all disturbed areas were covered with temporary and permanent seed and
straw before mobilizing to Reach UT5.
Similar to UT6, a majority of the stream work along UT5 was confined within the existing stream channel
due to the existing topography and bedrock knickpoints. Construction activities continued at the beginning of
Reach UT5_R1, Sta. 10+00 with the installation of a pump-around operation and a floodplain bench was
excavated along the right bank until Sta.11+50. In-stream structures were installed per the approved design
plans and a boulder step-pool was added near Sta. 14+00 to provide grade control. A double drop cross vane
was omitted near Sta. 15+30 due to an existing bedrock knickpoint and the step-pool sequence was eliminated
near Sta. 16+50 because of stable bed and bank features present during construction. Additionally, a cross
vane was omitted near Sta. 22+50 and a grade control j-hook was replaced near Sta. 23+50 to provide grade
control. Near the bottom of UT5_R2, Sta. 26+00 a rock vane was omitted due to a large bedrock formation
and a floodplain bench was excavated on the left bank that tied into the new UT1_R3 floodplain elevations.
Upon completion of the UT5 channel segments, coir fiber matting was installed along the banks as shown on
the as-built plan sheets in Appendix 3 and all disturbed areas were covered with temporary and permanent
seed and straw.
All riparian buffer areas within the project boundaries are a fifty foot minimum and protected by a
conservation easement in perpetuity that totals 35.3 acres. High tensile woven wire fencing was installed
along all reaches with access gates near each stream crossing as shown on the As-built Plan Sheets in
Appendix 3. The conservation easement was rerecorded shortly after construction activities were finalized to
accommodate the as-built fencing locations and a revised property line near the confluence at UT1_R4 and
UT7.
Modifications made during construction consisted of changes in the construction sequence to increase
efficiency during wet or high flow conditions. Other modifications involved the location and selection of in-
stream structures and bank stabilization practices. Substitutions and/or omissions were made based on
existing field conditions and best professional judgment. These changes, along with the as-built cross-
sections and longitudinal profiles are documented in the attached as-built plan sheets in Appendix 3. The as-
built stream lengths for the project areas total 10,600 LF as indicated on Table 3 and Sheet 1 of the as-built
plan sheets in Appendix 3.
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

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Lastly, all disturbed areas were covered with temporary and permanent seed and straw before demobilizing
' from the site. Planting of bare roots and live stakes was completed in April 2008 and detailed in sections 2.2
and 2.4.2 of this report.

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Table 3
Summary of As-built Lengths, Mitigation Units, and Restoration Approaches
Reach As-built Existing SMU Proposed Restoration Approach
Name Length (ft) Length (ft) Credit
Ratio
UT1 R1 1,494 1,484 1 494 1:1 Restoration - Priority Level I & II approaches
UT1 R2 1,506 1,952 1,506 1:1 Restoration - Priority Level I & II approaches
UTl R3 1427 11647 1427 1:1 Restoration - Priority Level I & II approaches
UTl R4 2,302 2,677 2,302 1:1 Restoration - Priority Level I & II approaches
UT2 45 54 45 1:1 Restoration - Priority Level II approach
UT3 428 256 428 1:1 Restoration - Priority Level I & II approaches
UT4 60 96 60 1:1 Restoration - Priority Level II approach
UT5 R1 953 969 953 1:1 Restoration - Priority Level I & II approaches
UT5 R2 791 842 791 1:1 Restoration - Priority Level I & II approaches
UT6 1,575 1,648 1,575 1:1 Restoration - Priority Level I & II approaches
UT7 292 299 117 2.5:1 Enhancement - Level II approach
Totals 10,873 11,924 10 698
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

2.0 MONITORING PLAN
Channel stability and vegetation survival will be monitored on the project site. Post-restoration monitoring
will be conducted for five years following the completion of construction to document project success. The
proposed Level I monitoring approaches for the restored stream reaches follow those recommended by the
Stream Mitigation Guidelines (USACE and NCDWQ 2006) and described below.
2.1 Stream Monitoring
Geomorphic monitoring of restored stream reaches will be conducted for five years to evaluate the
effectiveness of the restoration practices. Monitored stream parameters include bankfull flows, stream
dimension (cross-sections), pattern (longitudinal survey), profile (profile survey), and photographic
documentation. The methods used and any related success criteria are described below for each parameter.
For monitoring stream success criteria, 22 permanent cross-sections, and 2 crest gauges were installed. The
specific locations of vegetation plots, permanent cross-sections, crest gauges and photo points are shown in
the as-built plan sheets in Appendix 3.
2.1.1 Bankfull Events
The occurrence of bankfull events within the monitoring period will be documented by the use of crest
gauges and photographs on each project reach. Two crest gauges were installed on the floodplain
within 10 feet of the restored channel. The crest gauges will record the highest watermark between site
visits, and the gauge will be checked at each site visit to determine if a bankfull event has occurred.
Photographs will be used to document the occurrence of debris lines and sediment deposition on the
floodplain during monitoring site visits.
Two bankfull flow events must be documented at the crest gauge within the 5-year monitoring period.
The two bankfull events must occur in separate years; otherwise, the stream monitoring will continue
until two bankfull events have been documented in separate years.
2.1.2 Cross-sections
Twenty-two permanent cross-sections were installed throughout the entire Site. Approximately two
permanent cross-sections were installed per 1,000 LF of stream restoration work, within these areas,
one is located at a riffle cross-section and one is located at a pool cross-section. Each cross-section was
marked on both banks with permanent pins to establish the exact transect used. A common benchmark
will be used for cross-sections and consistently referenced to facilitate comparison of year-to-year data.
The annual cross-sectional survey will include points measured at all breaks in slope, including top of
bank, bankfull, inner berm, water surface, and thalweg, if the features are present.
There should be little change in as-built cross-sections. If changes do take place, they will be evaluated
to determine if they represent a movement toward a more unstable condition (e.g., down-cutting or
erosion) or a movement toward increased stability (e.g., settling, vegetative changes, deposition along
the banks, or decrease in width/depth ratio). Riffle cross-sections will be classified using the Rosgen
Stream Classification System, and all monitored cross-sections should fall within the quantitative
parameters defined for channels of the design stream type.
2.1.3 Pattern
Annual measurements taken for the plan view of the Site will include sinuosity, meander width ratio,
and radius of curvature where applicable. The radius of curvature measurements will be taken on
newly constructed meanders for the first year of monitoring only.
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
10 1

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2.1.4 Longitudinal Profile
A longitudinal profile will be completed annually during each year of the monitoring period. The
profile will be conducted for at least 3,000 LF of restored stream reaches where pattern has been
adjusted. Measurements will include thalweg, water surface, inner berm, bankfull, and top of low bank.
Each of these measurements will be taken at the head of each feature (e.g., riffle, run, pool, glide) and at
' the maximum pool depth. The survey will be tied to a permanent benchmark.
The longitudinal profiles should show that the bedform features are remaining stable (i.e., they are not
aggrading or degrading). The pools should remain deep, with flat water surface slopes, and the riffles
should remain steeper and shallower than the pools. Bedforms observed should be consistent with
' those observed for channels of the design stream type.
2.1.5 Photo Reference Sites
Photographs will be used to document restoration success visually. Reference stations will be
photographed after construction and for at least five years following construction. Reference photos
will be taken once a year, from a height of approximately five to six feet. Permanent markers will be
established to ensure that the same locations (and view directions) on the Site are monitored during
each monitoring period. Selected site photographs are shown in Appendix 1.
2.1.5.1 Lateral Reference Photos
' Reference photo transects will be taken at each permanent cross-section. Photographs will be
taken of both banks at each cross-section. The survey tape will be centered in the photographs of
the bank. The water line will be located in the lower edge of the frame, and as much of the bank
as possible will be included in each photo. Photographers will make an effort to consistently
document the same view in each photo point over time
2.1.5.2 Structure Photos
Photographs will be taken at grade control structures along the restored streams. Photographers
will make every effort to consistently document the same area in each photo point over time.
Photographs will be used to evaluate channel aggradation or degradation, bank erosion, success
' of riparian vegetation, and effectiveness of erosion control measures subjectively. Lateral photos
should not indicate excessive erosion or continuing degradation of the banks. A series of photos
over time should indicate successive maturation of riparian vegetation. The position of each
structure photo point is located on the as-built plan sheets in Appendix 3.
2.2 Vegetation Monitoring
Successful restoration of the vegetation on a mitigation site is dependent upon hydrologic restoration, active
planting of preferred canopy species, and volunteer regeneration of the native plant community. In order to
determine if the criteria are achieved, 21 vegetation-monitoring quadrants were installed across the Site in
accordance with the CVS-NCEEP Level I Protocol for Recording Vegetation, Version 4.1 (2007). The
' number of quadrants required is based on the plot number spreadsheet (07312006-2) provided by WEEP that
captures approximately five percent of the total conservation easement. The sizes of individual quadrants are
100 square meters for woody tree species. Vegetation monitoring will occur in the fall, prior to the loss of
leaves. Individual quadrant data will be provided and will include diameter, height, density, and coverage
quantities. Individual seedlings will be marked to ensure that they can be found in subsequent monitoring
years. Mortality will be determined from the difference between the previous year's living, planted seedlings
and the current year's living, planted seedlings.
MICHAEL BAKER ENGINEERING, INC. 11
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

At the end of the first growing season, species composition, density, and survival will be evaluated. For each
subsequent year, until the final success criteria are met, the Site will be evaluated between June and
November.
The interim measure of vegetative success for the Site will be the survival of at least 320, three-year-old,
planted trees per acre at the end of Year 3 of the monitoring period. The final vegetative success criterion will
be the survival of 260, five-year old, planted trees per acre at the end of Year 5 of the monitoring period.
While measuring species density is the current accepted methodology for evaluating vegetation success on
restoration projects, species density alone may be inadequate for assessing plant community health. For this
reason, the vegetation monitoring plan will incorporate the evaluation of additional plant community indices
to assess overall vegetative success.
Herbaceous vegetation, primarily native grasses, were planted at the site shall have at least 80 percent
coverage of the seeded/planted area. Any herbaceous vegetation not meeting these criteria shall be replanted.
At a minimum, at all times ground cover at the project site shall be in compliance with the North Carolina
Erosion and Sedimentation Control Ordinance.
2.3 Maintenance and Contingency Plan
Maintenance requirements vary from site to site and are generally driven by the following conditions:
• Projects without established, woody floodplain vegetation are more susceptible to erosion from floods
than those with a mature, hardwood forest.
• Projects with sandy, non-cohesive soils are more prone to short-term bank erosion than cohesive soils
or soils with high gravel and cobble content.
• Alluvial valley channels with wide floodplains are less vulnerable than confined channels.
• Wet weather during construction can make accurate channel and floodplain excavations difficult.
• Extreme and/or frequent flooding can cause floodplain and channel erosion.
• Extreme hot, cold, wet, or dry weather during and after construction can limit vegetation growth,
particularly temporary and permanent seed.
• The presence and aggressiveness of invasive species can affect the extent to which a native buffer can
be established.
• The presence of beaver can affect vegetation survivability and stream function.
Maintenance issues and recommended remediation measures will be detailed and documented in the
monitoring reports. Factors that may have caused any maintenance needs, including any of the conditions
listed above, shall be discussed. NCEEP approval will be obtained prior to any remedial action.
2.4 Monitoring Results - 2008 As-Built Data
The five-year monitoring plan for the Site includes criteria to evaluate the success of the vegetation and
stream components of the project. The specific locations of vegetation plots, permanent cross-sections, and
the crest gauges are shown on the as-built drawing sheets. Photo points, located at each of the grade control
structures along the restored stream channel, are also located on the as-built plan sheets in Appendix 3.
2.4.1 Stream Data
For monitoring stream success criteria, 22 permanent cross-sections and 2 crest gauges were installed
on the Site. The permanent cross-sections will be used to monitor channel dimension and bank stability
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
12 1
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over time. The crest gauges will be used to document the occurrence of bankfull events. In addition, a
complete longitudinal survey was completed for the restored stream channels to provide a base-line for
evaluating changes in bed conditions over time. The longitudinal profile included the elevations of all
grade control structures. The as-built permanent cross-sections and as-built longitudinal data are
provided in Appendix 2. The locations of the permanent cross-sections and the crest gauges are shown
on the as-built plan sheets in Appendix 3.
2.4.1.1 Results and Discussion
No results were available at the submittal of this report. As-built data will be compared with
first year monitoring data in the Year 1 Monitoring Report, scheduled for submittal to
NCEEP duriu December 2008. The final as-built site visit was conducted with the NCEEP
on October 2" , 2008, at which time minimal bed scouring was observed in various riffle
sections along Reaches UT1 R3 and UT1 R4. However, at this time no maintenance repairs
were recommended or requested on these areas. Recommendations were made to monitor the
longitudinal profiles in locations where onsite bed material was reused to construct the riffles
' with other riffle sections that had been constructed using Class `A' and `B' stone. The as-
built profile will then be compared with Year 2 monitoring data, and subsequent monitoring
years to evaluate changes within the bedform features and elevations to document possible
' trends towards aggradation or degradation and overall channel stability.
2.4.2 Vegetation Data
1 Bare-root trees and shrubs were planted within all areas of the conservation easement. A minimum 30-
foot buffer was established along all restored stream reaches. In general, bare-root trees were planted at
a target density of 436 stems per acre, in a 10-foot by 10-foot grid pattern. Bare-root shrubs were
' planted at a target density of 258 stems per acre in a 13-foot by 13-foot grid pattern. Planting of bare-
root trees and shrubs were completed in April 2008. Species planted are summarized in Table 4.

1

Table 4
Vegetation Species Planted Across the Restoration Site
Common Name Scientific Name Percent Planted by Total Number of
Species Stems
Bare Root Trees Species
River Birch Betula nigra 15% 1,962
Tulip Poplar Liriodendron tulipifera 10% 1,308
Willow Oak Quercus phellos 20% 2,616
Southern Red Oak Quercus rubra 15% 1,962
Persimmon Diospyros virginiana 15% 1,962
Black Walnut Juglans nigra 15% 1,962
Sycamore Platanus occidentalis 10% 1,308
Shrub Species
Tag Alder Alnus serrulata 20% 1,536
Spicebush Lindera benzoin 25% 1,920
Hazelnut Corylus americana 20% 1,536
MICHAEL BAKER ENGINEERING, INC. 13
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

Table 4
Vegetation Species Planted Across the Restoration Site
Common Name Scientific Name Percent Planted by Total Number of
Species Stems
Ironwood Capinus caroliniana 15% 1,152
Silky Dogwood Cornusa amomum 20% 1,536
Native Herbaceous Species
Redtop Agrostis alba 10% NA
Virginia wildrye Elymus virginicus 15% NA
Switch grass Panicum virgatum 15% NA
Eastern gamma grass Tripsicum dactyloides 5% NA
Pennsylvania smartweed Polygonum pennsylvanicum 5% NA
Little blue stem Schizachyrium scoparium 5% NA
Soft rush Juncus effusus 5% NA
Beggars tick Bidens frondosa (or aristosa) 5% NA
Lance-leaved tick seed Coreopsis lanceolata 10% NA
Deer tongue Panicum clandestinum 15% NA
Big blue stem Andropogon gerardii 5% NA
Indian grass Sorgastrum nutans 5% NA
Woody Vegetation for Live Stakes
Silky Dogwood Cornus amomum 30% NA
Silkly Willow Salix serica 30% NA
Elderberry Sambucus canadensis 20% NA
Ninebark Physocarpos orbiculatus 20% NA
The restoration plan for the Site specifies that the number of quadrants required is based on the CVS- '
NCEEP monitoring guidance. The number of quadrants required was determined using the plot number
spreadsheet (07312006-2) provided by NCEEP that captures five percent of the total conservation
easement. The sizes of individual quadrants are 100 square meters for woody tree species, and 1 square '
meter for herbaceous vegetation. A total of 21 vegetation plots, each 10 meters by 10 meters in size,
were established across the restored site. The initial planted density within each of the vegetation
monitoring plots is given in Table 5. The average density of planted bare root stems, based on the data

from the 21 monitoring plots, is 655 stems per acre. The locations of the vegetation plots are shown on ,
the as-built plan sheets in Appendix 3.

MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
14 1
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2.4.2.1 Results and Discussion
No results were available at the submittal of this report. Vegetation survival will be
compared with first year monitoring data in the Year 1 Monitoring Report, scheduled for
submittal to NCEEP during December 2008. ,
2.5 Areas of Concern
No areas of concern have been identified during the first months following completion of the project. '

F

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MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
16 '

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3.0 REFERENCES
Lee, M., Peet R., Roberts, S., Wentworth, T. CVS-NCEEP Protocol for Recording Vegetation, Version 4.1,
2007.
Rosgen, D. L. 1994. A Classification of Natural Rivers. Catena 22:169-199.
Rosgen, D.L., 1996. Applied River Morphology. Wildland Hydrology Books, Pagosa Springs, Colo.
Schafale, Michael P. and Alan S. Weakley. 1990. Classification of the Natural Communities of North
Carolina. North Carolina Heritage Program, Raleigh, NC.
US Army Corps of Engineers, Wetland Research Program (WRP), 1997. Technical Note VN-RS-4.1.
US Army Corps of Engineers, WRP, July 2000. Technical Notes ERDC TN-WRAP-00-02.
US Army Corps of Engineers, 2003. Stream Mitigation Guidelines. Prepared with cooperation from US
Environmental Protection Agency, NC Wildlife Resources Commission, and the NC Division of Water
Quality. www.saw.usace.army.mil/wetlands/Mitigation/stream mitigation.html
MICHAEL BAKER ENGINEERING, INC. 17
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)

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APPENDIX I
SELECTED PROJECT PHOTOGRAPHS
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
18
Pinch Gut Creek As-built Photos
Photo Point 3 - Constructed Riffle, UT1 Reach 4

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Photo Point 5 - Riffle Crossing, UT1 Reach 4
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Photo Point 4 - Log J-Hook, UT1 Reach 4
Photo Point 6 - Log J-Hook, UT1 Reach 4
Photo Point 2 - Log J-Hook, UT1 Reach 4
Photo Point t -Constructed Riffle, UTt
Reach 4 end
Pinch Gut Creek As-built Photos

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Photo Point 7 - Log J-Hook, UT1 Reach 4 Photo Point 9 - Constructed Riffle, UT 1 Reach 4
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Photo Point 10 - Log J-Hook, UT1 Reach 4
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Photo Point 12 - Constructed Riffle, UT1 Reach 4 Photo Point 13 - Log J-Hook, UT1 Reach 4
Photo Point 11 - Constructed Riffle, UT1 Reach 4
Pinch Gut Creek As-built Photos
Photo Point 14 - Log and Rock Step Pool, UT1 Photo Point 15 - Log and Rock Step Pool, UT1
Reach 4 Reach 4
Photo Point 16 - Cross Vane, UT1 Reach 4 Photo Point 17 - Constructed Riffle, UT1 Reach 4

Photo Point 18 - Constructed Riffle, UT1 Reach 4 Photo Point 19 - Log J-Hook, UT1 Reach 4
Pinch Gut Creek As-built Photos
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Photo Point 20 - Constructed Riffle, UT1 Reach 4 Photo Point 21 - Constructed Riffle, UT1 Reach 4

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'hoto Point 22 - Log J-Hook, UT1 Reach 4 Photo Point 23 - Constructed Riffle, UT1 Reach 4
Photo Point 24 - Cross Vane, UT1 Reach 4
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Photo Point 25 - Step Pool, UTl Reach 4
Pinch Gut Creek As-built Photos

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Photo Point 26 - Log J-Hook, UT1 Reach 4 Photo Point 27 - Constructed Riffle, UT1 Reach 4

Photo Point 30 - Step Pool, UT1 Reach 3

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Photo Point 31- Step Pools (3), UT1 Reach 3
Photo Point 28 - Constructed Riffle, UT1
Reach 4 begin
Photo Point 29 - Constructed Riffle, UT1
Reach 3 end
Pinch Gut Creek As-built Photos

Photo Point 34 - Step Pool, UT1 Reach 3
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Photo Point 37 - Step Pool, UT1 Reach 3
Photo Point 32 - Cross-Vane, UT1 Reach 3
Photo Point 33 - J-Hook, UT1 Reach 3
Pinch Gut Creek As-built Photos

Photo Point 38 - Constructed Riffle, UT 1 Reach 3
Photo Point 39 - Log J-Hook, UT1 Reach 3
Photo Points 40 - Step Pools (2), UT1 Reach 3 Photo Point 41- Log J-Hook, UT1 Reach 3
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Photo Point 42 - Step Pools (2), UT1 Reach 3 Photo Point 43 - Log J-Hook, UT1 Reach 3
Pinch Gut Creek As-built Photos

Photo Point 46 - Constructed Riffle, UT 1 Reach 3

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Photo Point 49 - Step Pool, UT1 Reach 3
Photo Point 44 - Step Pools (2), UT 1 Reach 3
Pinch Gut Creek - As-built Photos

Photo Point 50 - Step Pool, UT1 Reach 3

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Photo Point 52 - Log Weir and Constructed Riffle,
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Photo Point 54 - Constructed Riffle, UT1
Reach 2 end
Photo Point 51 - Rock J-Hook, UT1 Reach 3

Photo Point 55 - Constructed Riffle, UT1 Reach 2
Photo Point 53 - Constructed Riffle, UT1
Reach 3 begin
Pinch Gut Creek - As-built Photos

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Photo Point 58 - Constructed Riffle, UT1 Reach 2 Photo Point 59 - Constructed Riffle, UT1 Reach 2
Photo Point 60 - Constructed Riffle, UT1 Reach 2 Photo Point 61- Constructed Riffle, UT1 Reach 2
Pinch Gut Creek - As-built Photos
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Photo Point 66 - Constructed Riffle, UT1 Reach 2 Photo Point 67 - Constructed Riffle, UT1 Reach 2
Pinch Gut Creek - As-built Photos
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Photo Point 71- Constructed Riffle, UT1
Reach 2 begin
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Photo Point 73 - Constructed Riffle, UT1
Reach 1 end
Pinch Gut Creek - As-built Photos

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Photo Point 74 - Constructed Riffle, UT1 Reach 1 Photo Point 75 - Constructed Riffle and Step Pool,
UT1 Reach 1

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Photo Point 76 - Log J-Hook and Constructed
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Photo Point 78 - Constructed Riffle, UT1 Reach 1
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Photo Point 77 - Log J-Hook, UT1 Reach 1

Photo Point 79 - Log J-Hook and Constructed
Riffle, UT1 Reach 1
Pinch Gut Creek - As-built Photos
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Photo Point 82 - Step Pool, UT1 Reach 1

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Photo Point 81 - Cross Vane and Constructed
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Photo Point 84 - Constructed Riffle, UT3 Photo Point 85 - Step Pools (3), UT3
Photo Point 83 - Step Pools (2), UT3 end
Pinch Gut Creek - As-built Photos

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Photo Point 88 - Step Pools (2) and UT2 Crossing

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Photo Point 90 - Constructed Riffle, UT1 Reach 1 Photo Point 91- Constructed Riffle, UT1 Reach 1
Photo Point 87 - Step Pool, UT3 begin
Pinch Gut Creek - As-built Photos
Photo Point 92 - Rock J-Hook, UT1 Reach 1 Photo Point 93 - Constructed Riffle, UT1 Reach 1
Photo Point 94 - Constructed Riffle, UT 1 Reach 1
Photo Point 95 - Step Pool UT 1, Reach 1
Photo Point 96 - Step Pool, UT1 Reach 1
Photo Point 97 - Step Pool, UT1 Reach 1
Pinch Gut Creek - As-built Photos
'inch Gut Creek - As-built Photos

Photo Point 99 - Constructed Riffle, UT5
Reach 2 end
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Photo Point 101 - Rock J-Hook, UT5 Reach 2

Photo Point 103 - Constructed Riffle, UT5
Reach 2
Photo Point 100 - Constructed Riffle, UT5
Reach 2

Photo Point 102 - Constructed Riffle, UT5
Reach 2

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'hoto Point 104 - Rock J-Hook, UT5 Reach
Pinch Gut Creek - As-built Photos
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Photo Point 109 - Step Pool, UT5 Reach 1 end
Photo Point 110 - Log J-Hook, UT5 Reach 1
Photo Point 106 - Lou J-Hook, UT5 Reach 2
Photo Point 107 - Step Pool and Stream Crossing,
UT5 Reach 2
Photo Point 108 - Constructed Riffle, UT5
Reach 2 begin
Pinch Gut Creek - As-built Photos
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Photo Point 112 - Cross Vane, UT5 Reach 1
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Photo Point 115 - Constructed Riffle, UT5 Photo Point 116 - Constructed Riffle, UT5
Reach 1 Reach 1
Photo Point 111 - Cross Vane, UT5 Reach 1
Photo Point 113 - Constructed Riffle, UT5
Reach 1
Photo Point 114 -Log J-Hook, UT5 Reach 1
Pinch Gut Creek - As-built Photos

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Photo Point 117 - Constructed Riffle, UT5 Photo Point 118 - Constructed Riffle, UT5
Reach 1 Reach 1
Photo Point 120 - Log Weir and Constructed
Riffle, UT6 end
Photo Point 119 - Constructed Riffle, UT5
Reach 1 begin
Photo Point 121- Constructed Riffle, UT6
Photo Point 122 - Step Pool, UT6
Pinch Gut Creek - As-built Photos

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Photo Point 123 - Log Weir, UT6
Photo Point 125 - Stream Crossing and Step Pool,
UT6
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Photo Point 124 - Constructed Riffle, UT6
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Photo Point 126 - Log Weir, UT6
Photo Point 127 - Log Step Pools (3), UT6 Photo Point 128 - Log Step Pools (3), UT6
Pinch Gut Creek - As-built Photos

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Photo Point 132 -Constructed Riffle, UT6
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Photo Point 133 - Log Step Pools (2), UT6
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Photo Point 134 -Constructed Riffle, UT6
Photo Point 130 - Log Step Pool and Constructed
Riffle, UT6
Photo Point 129 - Log Step Pools (3), UT6
Photo Point 131- Log J-Hook, UT6
Pinch Gut Creek - As-built Photos

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Photo Point 135 -Constructed Riffle, UT6
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a <? + A i7. _ fi y F
Photo Point 136 - Log Step Pools (2), UT6

Y
Photo Point 140 - Constructed Riffle, UT6 Photo Point 141- Log Step Pools (2), UT6
Photo Point 137 - Rock Step Pools (2), UT6
Photo Point 138 - Rock Step Pool and Cascade,
UT6
Pinch Gut Creek - As-built Photos

Photo Point 143 - Log Step Pool, UT6

Photo Point t44 - Step Pools (4), UT6 begin
• 2 „ 'S? N M ? ..
3
Photo Point 145 - Wetland Area, UT3 begin
Photo Point 142 - Step Pool, UT6

I
APPENDIX 2
AS-BUILT CROSS-SECTIONS AND LONGITUDINAL PROFILES

u
11
11
11
11
11
11
11
11
11
11
11
11
I' MICHAEL BAKER ENGINEERING. INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
19
11
i
O
? N

07

N o
O
AW Y
CD 1 N
O
O o?
CL
?
O H N
LM
R o
o
C
O k o
c?

3 ° 00 ?..i
O
L
CL m m
a ..-
°`
O

_ ? I ? 0
?
yy
i o
W

O
J ' o
+? o

N
a
f
O
I N
H

0
C)

l?
?D 0
V'1 ? M N r?-+ •?

(1j) UOIJUAall
Permanent Cross-section 1, Station 12+57
(As-Built Data - collected June 2008)
1
L..
i
Looking at the Right Bank

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Riffle B 8.4 11.32 0.74 1.13 15.27 5.3 1.5 1150.2 1155.06
Riffle Cross-Section Xi - Longitudinal Station 12+57
1160
1158
1156

c
0
= 1154

m
w
1152
----------------------
1150
1148

0 10 20 30 40 50 60 70 80
Station (ft) 0 Bankfull -0 Floodprone
Looking at the Lett Bank
Permanent Cross-section 2, Station 21+26
(As-Built Data - collected June 2008)
k: vu.
Mre r, '
1 „err
bA
i
Looking at the Left Bank

Stream BKF Max BKF
Feature Tye BKF Area BKF Width Depth Depth W/D BH Ratio ER BKF Elev TOB Elev W-fpa
Riffle Cb 6.4 9.21 0.7 1.06 13.21 1 4.3 1129.26 1129.26
Riffle Cross-Section X2 - Longitudinal Station 21+26
1138
1137
1136
1135
r 1134
0 1133

i 1132
m
w 1131

1130 ....................... .. .. . .. ...
1129
1128
1127

0 10 20 30 40 50 60 70 80 90 100
Station (ft) 0 Bankfull t?-- Floodpmne
' O
' O
O
I
i ?
M n
?
? O
}
00
M
O

N M
C
O

? 0
o
/A Y
1 m M

LL ?

w
0
.?
C
O
>_ r O O

N ?

? I
O

O
o, Y
m c M

O 3 m
cc co
J °
a
0
F
-

• a O
? Q J O

?I 00
N N

a
N
? O

INC
r N

O

N ° ? ° o o ? ? N

r
(1j) UOIIL'Aal ?3
Permanent Cross-section 3, Station 28+99
(As-Built Data - collected June 2008)
t
Y7 .yw
y Ofi --,. t2.r:
Looking at the Left Bank

'??? b•; -sue`, ?
Looking at the Right Bank

S tream BKF Max BKF
Fea ture Type BKF Area BKF Width Depth Depth W/D BH Ratio ER BKF Elev TOB Elev W-f a
Pool 23.1 17.54 1.32 2.74 13.32 1 4.2 1115.52 1115.53
Pool Cross-Section X3 - Longitudinal Station 28+99
1123 --
i,
i,
1121
1119
r ...- ...... .... ---------- ------ --

c - - - - -- -- .. --.---
0
1117

m I
W
1115
i
1113
1111

0 20 40 60 80 100 120
Station (ft) Bankfull o-- Floodprone
Permanent Cross-section 4, Station 31+34
(As-Built Data - collected June 2008)
-rte
ZVI
,i.2?,.... ?,,.?,?S??Lj,.1;7 ``''?, . , ,? /"' .rGr• =1 ??'' ??. ???+;? 'tea
It yAq;`/y?i,?`¦ 46y¦ta;; 7'?A_, ' a? ri ?i? y- f„
Looking at the Left Bank Looking at the Right Bank

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Riffle C 10.2 12.03 0.85 1.39 14.16 1 6.9 1107.4 1107.41
Riffle Cross-Section X4 - Longitudinal Station 31+34
1112
1110
----------..---- --- --- --------------- o
0 1108

m
w 1106
1104
1102

0 20 40 60 80 100 120
Station (ft) 0 Bankfull o-- Floodprone
a>
3

Permanent Cross-section 5, Station 35+97
(As-Built Data - collected June 2008)
I
rp? ? a? t
?. { w
5 + 3
t`
Looking at the Right Bank

Fea
ture S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Pool 22.6 26.32 0.86 2.84 30.69 0.9 3.8 1105.37 1104.95
Pool Cross-Section X5 - Longitudinal Station 35+97
1113 _-
1111
.. 1109
x
c
A 1107

w
1105
1103
1101

0 20 40 60 80 100 120
Station (ft) 3 Bankfull - - -0 Floodprone
Looking at the Lett Bank
0
-
v?
i kr)

Lo o
M

Lr)
O .:

M ?

M

?

O O
o
a=+ c?

m O

?

LL U

O C

O
L
a a
F- ?.
kr)
L >N

Q

O N C
R
J 3
r o

Tt

Q
o
? 0
"'

0
0
M
O z
00 00
r-+ C O O O O O O O

(1j) UOIJUnaia
Permanent Cross-section 6, Station 44+97
(As-Built Data - collected June 2008)
?? 7R
vw.v
?d
LB
Aw

Feature Stream
Tye
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Riffle C 12.2 12.76 0.95 1.38 13.37 1 3.9 1094.4 1094.41
Riffle Cross-Section X6- Longitudinal Station 44+97
1099
i
1097
i

............ ----------------- --------
% 1095
>
m
W
1093
1091

0 10 20 30 40 50 60 70 80 90 100
Station (ft) 0 Bankfuli ?- Floodprone
Looking at the Left Bank
Looking at the Right Bank
Permanent Cross-section 7, Station 45+44
(As-Built Data - collected June 2008)
v ;
j
Ai ? Y s-cy
I,' LA r
its , * 0. ,A
A, W
Looking at the Left Bank Looking at the Right Bank

Feature S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Pool 17.2 14.82 1.16 2.49 12.73 1 5.1 1094.2 1094.21
Pool Cross-Section X7- Longitudinal Station 45+44
1099
1097
................. ........... ........ . ............. ....... .. . o

c
0
1095

m
w
1093

1091
0 10 20 30 40 50 60 70 80 90 100
Station (ft) o Bankfull Floodpron.
Permanent Cross-section 8, Station 53+47
(As-Built Data - collected June 2008)
1 -
w,
rid f+ ` 8 l?r '3 ;
I
Stream BKF Max BKF
Feature Tye BKF Area BKF Width Depth Depth W/D BH Ratio ER BKF Elev TOB Elev W-f a
Riffle C 10.2 11.12 0.92 1.37 12.1 1 11 1081.35 1081.36
Pool Cross-Section X8 - Longitudinal Station 53+47
1085
1083
---- --------------------- - - -...-.

c

1081

m
w
1079
i
i
1077

0 10 20 30 40 50 60 70 80 90 100
Station (ft) Bankfull o Floodprone
Permanent Cross-section 9, Station 56+39
(As-Built Data - collected June 2008)
e^ t
Vwx f
r r ?.Y
- x = ... ? + ; ? • ' ; 'i'ce
19 x
Looking at the Right Bank

Fea
ture S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
8KF Elev
TOB Elev
W-fpa
Pool 22.2 14.26 1.56 3.16 9.16 0.9 7.3 1074.92 1074.66
Pool Cross-Section X9 - Longitudinal Station 56+39
1079 - - - - - - -
------------------------------------------_.. ..-.......--------.-.-....--- .---------------------o
1077
r
c
0
'? 1075
> i
m
w
1073

1071
0 10 20 30 40 50 60 70 80 90 100
Station (ft) 9 Bankfull ---0-- Floodprone
Looking at the Left Bank
O
M
00
i

+ I
N x
C O
co
W
m O

O ?

L
O
r
00
G C

N
H
M t
+ ;

C
O
}, o
m o

V/ O C
3 m
F o

O
~
O
L Q C
C?

? O
O
00
t+

C
J

? 0
0
M
Q

i
r

i
i
O
O
00

O
O ?1 O V? O V1
O O O O O O
O

(??) UOIIUAai2l
Permanent Cross-section 10, Station 65+55
(As-Built Data - collected June 2008)
i
W-
Mw
?K

Bob- -

Fea
ture S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Riffle 31.6 19.02 1.66 2.72 11.45 1 5.1 1063.8 1063.86
Riffle Cross-Section X-1 0- Longitudinal Station 65+55
1068 - -
--------------------------------------- ----------------------------- - .0
1066
r
c
1064

m
w
1062

1060
0 20 40 60 80 100 120 140
Station (ft) 0 Bankfull ...0-- Floodprone
Looking at the Left Bank
yt?
L:14 f
f
Permanent Cross-section 11, Station 73+68
(As-Built Data - collected June 2008)
Alp_
NONNI
P
Out
Looking at the Right Bank
per
C? r
Looking at the Left Bank

Feature Stream
Tye
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Pool 66.2 43.23 1.53 4.04 28.23 0.9 3.1 1053.7 1053.1
Pool Cross-Section X-11 -Longitudinal Station 73+68
1059
1058

1057
1056

1055
c
0
1054
m
1053
U.1
1052
1051
1050
1049

0 20 40 60 80 100 120 140 160
Station (ft) 0 Bankfull o-- Floodprone
Permanent Cross-section 12, Station 75+37
(As-Built Data - collected June 2008)

f ..'i?'a< I
a
1 $
/a t

Looking at the Left Bank

? f t
Y. IA
Looking at the Right Bank

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Riffle C 30.2 19.6 1.54 2.62 12.71 1 6.8 1050.99 1051
Riffle Cross-Section X-12 - Longitudinal Station 75+37
1056
1054
... ......................... . . . ............................................... . .. .---.... . 0

c
0
1052

m
w
1050

1048
0 20 40 60 80 100 120 140
Station (ft) 0 Bankfull - 7 - Floodpwne
Permanent Cross-section 13, Station 77+25
(As-Built Data - collected June 2008)
" 4. T
i4
A*VOW
,?1+
Lij
Looking at the Left Bank

Stream BKF Max BKF
Feature Type BKF Area BKF Width Depth Depth W/D BH Ratio ER BKF Elev TOB Elev W-f a
Pool 48.4 42.62 1.14 3.42 37.53 0.8 3 1049.54 1048.94
Pool Cross-Section X-13 - Longitudinal Station 77+25
1054 -- -- -
1053
---------------- ----------------------------------- ----------------------------- ------------------o
1052
1051
c 1050
i 1049

W 1048
1047
1046

1045 i

0 20 40 60 80 100 120 140
Station (ft) c Bankfull - - o- - Floodprone
Permanent Cross-section 14, Station 79+15
(As-Built Data - collected June 2008)
Mwwwpp"
eEy?:.
1, d ? 9 r
, IC,
-•' ?? ? ,?" ,?`°? ?? lj?? ?b? . - it a.`• ., `! ?' •. a
Looking at the Left Bank Looking at the Right Bank

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W(D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Riffle C 30.5 2174 1.28 2.66 18.49 0.9 4.4 1047.5 1047.26
Riffle Cross-Section X-14 - Longitudinal Station 79+15
1051 - - - -
i
1050 - o
1049
x
c 1048
0
a 1047
W
1046
1045
1044

0 20 40 60 80 100 120
Station (ft) 3 Bankfull - - - 0 FIoodprone

Ul cr.
1
LO
O
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r-
O
O
O °
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O?
a?.r M
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r ? r r r ? ? ? r
r r r r ?-- r r r r
(U) UOIIBA013
0 co >L Cl C)
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1 ? ? I
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N

r

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r
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d
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m

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Q

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co
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CO

r r r r r r ?- r r
(U) UOIIBA013
C7 LL
I
M
O
r
O
p o
O
r
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a
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0
0
Q
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rn
N N N N 0 co
(4) UOIIBA013
0
0

i N
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N
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ti O
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O
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(1j) UOIIUAal2l

i I 0
O
T
V
r?

L
1
T
0
O
00
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O
0 O
+
?
O r

r
O
ry
VA

r C
N
m
LL
O

Q
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o? m Q
Q
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i+

i 07 Y
?

O

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f0
r c
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M

Q I ?y
ce
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O
rH M
'?

nn M
01\ M
Q
C O C C

O

O

(?3) UOIIRAaia
K
if
ire
A
Permanent Cross-section15, Station 10+73
(As-Built Data - collected June 2008)
1 9`+'r 7C +'f^
70
%6A -
low
?J c•1!'f, ^' -' _ jam. .t •-.?.
44
45-41
4l+ }_ .i >
#V VILw
Looking at the Left Bank Looking at the Right Bank

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Riffle E 20.3 11.17 1.81 2.84 6,16 1 6.6 1100.39 1100.4
Riffle Cross-Section X-15- Longitudinal Station 10+73
1106
1104
1102
c
0
w 1100

1098

1096
0 20 40 60 80 100
Station (ft) 0 - Bankfull ---o-- Floodprone
Permanent Cross-section 16, Station 13+08
(As-Built Data - collected June 2008)
.t` w III--- .'
J aid;
Looking at the Right Bank

Fe
ature S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Pool 26.5 17.04 1.56 3.56 10.95 1 4.7 1096.49 1096.5
Pool Cross-Section X-16 - Longitudinal Station 13+08
1102 - - - - -

1100
------------------------- - ----......--- - .--- ------------------....-.0 i

i

1098 i

.0
i
W 1096

1094
i

1092 i

0 20 40 60 80 100
Station (ft) 0 Bankfull -0 Floodprone
-.;.a y d 1 '1,?yo'J
J k t 5 {'+ Y
Looking at the Left Bank
II f ?
N
N
+
N N
O `
0

LO i kr,
+ kn
kn
N
r
C
O

AW
Y
C 1kn
?v},

v/

00

U V

N

\
LL
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0 :3

C

C Co c

m m
N
O
J t 0
- n
o

• N
Q J 1 r.
k•
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I} N
N
Q
N
? kn
I
LO o
N

00 000
0 0 0 0 0 0

0 0 .-
-
0

(1j) uOIJUAalal
Permanent Cross-section 17, Station 21+96
(As-Built Data - collected June 2008)

•.
0? ¢

Et
i
n .; a 1
O - M a
Looking at the Right Bank

Feat
ure Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Riffle E 13.1 14.63 0.9 2.11 16.29 0.8 2 1079.7 1079.25
Riffle Cross-Section X-17 - Longitudinal Station 21+96
1085
1084
1083
1082
.........
..

c .
....
0
1081

w 1080
1079
1078
1077

0 20 40 60 80 100 120
Station (ft) 0 Bankfull - - a - Floodprone
Looking at the Left Bank
Permanent Cross-section 18, Station 25+95
(As-Built Data - collected June 2008)

Feat
ure S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
WAD
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Pool 24.5 13.42 1.83 3.56 7.35 1 5 1074 1074.06
Pool Cross-Section X-18- Longitudinal Station 25+95
1080

1078 i

.............. ...... -- ................_.............
1076
c
0

W 1074

1072

1070
0 20 40 60 80 100
Station (ft) 0 Bankfull ..4-- Floodprone
Looking at the Right Bank
Looking at the Left Bank
II

11

1

1
1

O
N
I O
O N
O
N
O
o
o
O N

O
r
O ? o
+,
? O
N

y=
O
? O =
p O
00
L
rr? C Ac
ca
m .-i
?.+

? m
0 t
a 7
_
? H
r
O

00
.r..r
. m O
? - n
3 ?
a
? Q J
Q } I
p

i N
O
O
O
M N ?-+ O aN 0000 r

(?3) uo??ena[?

Permanent Cross-section 19, Station 16+76
(As-Built Data - collected June 2008)

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Riffle Ba 6.6 8.37 0.78 1.71 10.7 2.6 1.9 1112.13 1114.92
Riffle Cross-Section X-19 - Longitudinal Station 16+76
1120
1118
1116
c
0
w 1114 ..............

1112
1110

0 20 40 60 80 100
Station (ft) 0 Bankfull o-- Floodprone
Looking at the Left Bank
Looking at the Right Bank
Permanent Cross-section 20, Station 18+03
(As-Built Data - collected June 2008)

ffl M_
Looking at the Lett Bank
0 :_ t,
14
''1A

Stream BKF Max BKF
Feature Type BKF Area BKF Width Depth Depth W/D BH Ratio ER BKF Elev TOB Elev W-fpa
Pool 8.6 9.11 0.95 1.54 9.62 2 1.6 1109.44 1110.98
Pool Cross-Section X-20 - Longitudinal Station 18+03

1118
II
1116
1114
r
c

1112

- ----.--- -
W
1110
1108
1106

0 20 40 60 80 100
Station (ft) Bankfull -o- Floodprone
Looking at the Right Bank
Permanent Cross-section 21, Station 20+27
(As-Built Data - collected June 2008)

Fea
ture Stream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-f a
Riffle B 7.4 9.5 0.78 1.51 12.16 1 5.3 1103.65 1103.66
Riffle Cross-Section X-21- Longitudinal Station 20+27
1112 -- - -
1110
1108

c
0
1106
%
m
W 1104
1102
1100

0 20 40 60 80 100
Station (ft) 0 Bankfull -::-0- - Floodprone
Looking at the Left Bank

Permanent Cross-section 22, Station 24+32
(As-Built Data - collected June 2008)
Ilk _1. _Vt
do k
A
A
?t !e

Fea
ture S tream
Type
BKF Area
BKF Width BKF
Depth Max BKF
Depth
W/D
BH Ratio
ER
BKF Elev
TOB Elev
W-fpa
Pool 9.7 9.91 0.98 1.79 10.11 1 7.1 1090.46 1090.47
Pool Cross-Section X-22- Longitudinal Station 24+32
1098
1096

1094 i
0
m
1092 ........... . . .. .................. . ........... ........
w
i
1090
1088

0 20 40 60 80 100
Station (ft) o Bankfull - :.-- Floodprone
Looking at the Left Bank
Looking at the Right Bank
1
1
APPENDIX 3

0
L

C
r-
[I

0
AS-BUILT PLAN SHEETS
MICHAEL BAKER ENGINEERING, INC.
PINCH GUT CREEK MITIGATION REPORT
OCTOBER 2008 - MONITORING YEAR 0 OF 5 (BASELINE DATA)
20

00
0
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