HomeMy WebLinkAboutMicrosoft Word - U-2579B UT to Fisher Branch - Year 4 ReportChannel Mitigation Monitoring Sheets I, II, III, AND IV
Monitoring Data Record
Project Title: U-2579B COE Action ID: SAW-2008-03183
Stream Name: UT to Fisher Branch — Permit Site 20 DWR Number: 2014-0090v2
City, County and other Location Information: The mitigation site is located on the Winston-
Salem Northern Beltway Eastern Section just south of Hastings Mill Rd.
Date Construction Completed: Streambank reforestation completed on March 1, 2018
Monitoring Year: ( 4 ) of 5
Ecoregion: Southern Outer Piedmont 8 digit HUC unit 03040101
USGS Quad Name and Coordinates: Winston-Salem East 36.100238°,-80.135216'
Rosgen Classification:
Length of Project: 490 linear feet
Urban or Rural: Rural Watershed Size: 0.14 sq. miles
Monitoring DATA collected by: M. Green and M. Ingram Date: 9-23-21
Applicant Information:
Name: NCDOT Roadside Environmental Unit
Address: 1425 Rock Quarry Road Raleigh, NC 27610
Telephone Number: (919) 615-6733 Email address: ml rgreen&ncdot.gov
Consultant Information:
Name:
Address:
Telephone Number: Email address:
Project Status: Complete
Monitoring Level required by COE and DWR (404 permit/ 401 Cert.): Level
Mitigation Plan States
5.0 Performance Standards
Success for vegetation monitoring within the riparian buffer areas are based on the survival of
at least 260 stems of five -year -old trees at year five. Assessment of channel stability will be
based on the survival of riparian vegetation and lack of bank erosion, channel widening or
down -cutting.
6.0 Monitoring Requirements
All the mitigation sites will be monitored according to the April 2003 Stream Mitigation
Guidelines. The following components of Level 1 monitoring will be performed each year of
the 5-year monitoring period: reference photos, plant survival (i.e., identify specific problem
areas (missing, stressed, damaged or dead plantings), estimated causes and proposed/required
remedial action; visual inspection of channel stability. Physical measurements of channel
stability/morphology will not be performed. A monitoring report will be submitted within 60
days after completing the monitoring.
Section 1. PHOTO REFERENCE SITES
(Monitoring at all levels must complete this section)
Total number of reference photo locations at this site: A total of 6 photos were taken
from 3 photo point locations and 1 additional overview photo of the site.
Dates reference photos have been taken at this site: 8-14-18, 8-29-19, 8-25-20, 9-23-21
Individual from whom additional photos can be obtained (name, address, phone):
Other Information relative to site photo reference: A site map is included with this report showing the
Section 2. PLANT SURVIVAL
Attach plan sheet indicating reference photos.
Identify specific problem areas (missing, stressed, damaged or dead plantings):
Estimated causes, and proposed/required remedial action:
ADDITIONAL COMMENTS:
March 2018: Streambank reforestation was completed
August 2018: Year 1 Monitoring noted Black Willow and Silky gwood live stakes were
surviving along the streambank. The site has 680 trees per acre surviving for Year 1.
August 2019: Year 2 Monitoring noted Black Willow and Silky Dogwood live stakes were
surviving along the streambank. The site has 680 trees per acre surviving for Year 2.
August 2020: Year 3 monitoringnoted oted planted vegetation survival was good, except for, the
areas noted above. Vegetation Plot #1 had 663 trees per acre surviving for Year 3.
October 2020: Regulatory Agency review held onsite with NCDOT
January 2021: Supplemental planting
September 2021: Year 4 monitoring noted live stakes were surviving and Vegetation Plot
#1 had 680 trees per acre surviving for Year 4. Other vegetation noted onsite included
volunteer sycamore, maple, sweetgum, tulip poplar, black walnut and various grasses.
NCDOT will continue to monitor the planted vegetation in 2022.
If required to complete Level 1 and Level 2 monitoring only stop here; otherwise,
complete section 3.
C
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1
8
28
2
2
40
40
680
Year 4 Average Density
(Trees/Acre)
680
Year 3 Average Density
(Trees/Acre)
663
Year 2 Average Density
(Trees/Acre)
680
Year 1 Average Density
(Trees/Acre)
680
Section 3. CHANNEL STABILITY
Visual Inspection: The entire stream project as well as each in -stream structure and bank
stabilization/revetment structure must be evaluated and problems addressed.
Report on the visual inspection of channel stability. Physical measurements of channel
stability. /orphology will not be required. Include a discussion of any deviations from as -built
and an evaluation of the significance of these deviations and whether they are indicative of a
stabilizing or destabilizing situation.
The UT to Fisher Branch onsite stream mitigation site is stable for the Year 4 evaluation from
just downstream of PP#1 to the inlet of the box culvert. There are portions of the stream from
the beginning of the site to just downstream of PP#1 where the banks are eroding and sloughing
off. Some sections of the channel have started to form a new bankfull bench and are stabilizing.
This area shows little to no change over the past year. A supplemental planting with live stakes
was completed in January 2021 to help stabilize these areas. NCDOT will continue to monitor
channel stability at the UT to Fisher Branch Mitigation Site in 2022.
Date
Station
Station
Station
Station
Station
Inspected
Number
Number
Number
Number
Number
Structure
Type
Is water
piping
through or
around
structure?
Head cut or
down cut
resent?
Bank or scour
erosion
resent?
Other
problems
noted?
Bankfull
Wrack line
Wrack line
event
8-14-18
8-25-20
Section 4. DEBIT LEDGER
The entire UT to Fisher Branch stream mitigation site was used at a 1:1 ratio for the U-2579B
project to compensate for unavoidable stream impacts.
UT to Fisher Branch Mitigation Site
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PP #2 Downstream
PP #3 Downstream
September 2021
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UT to Fisher Branch Mitiaation Site
Bank erosion upstream of PP#1
Overview photo looking upstream from roadway project
September 2021
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