20240175 Ver 1_USACE Permit_20240412

DEPARTMENT OF THE ARMY
U.S. ARMY CORPS OF ENGINEERS, WILMINGTON DISTRICT
ASHEVILLE REGULATORY FIELD OFFICE
151 PATTON AVENUE SUITE 208
ASHEVILLE NC 28801
April 12, 2024
Regulatory Division
2024-00200
Deron Geouque
Watauga County
814 West King Street
Boone, NC 28607
Via Email: [e-mail]
Dear Mr. Geouque:
This letter is in response to the Pre -Construction Notification (PCN) you submitted to
the Wilmington District, Asheville Regulatory Field Office on January 24, 2024, for a
Department of the Army Nationwide permit (NWP) verification. This project has been
assigned the file number 2024-00200 and is known as the Mouth of Hardin Creek
Restoration. This file number should be referenced in all correspondence concerning
this project.
A review of the information provided indicates that the proposed work would include
stream restoration to approximately 2,520 linear feet of Hardin Creek and its unnamed
tributaries along with 1.535 acre of wetlands. This activity, as described, complies with
all terms and conditions of the. The project area is illustrated on the enclosed site
plans/maps and located at Latitude 36.21219 and Longitude -81.64937, near 300 Go
Pioneers Drive, in Boone, Watauga County, North Carolina.
We have determined that the proposed work is authorized by Nationwide #27
pursuant to authorities under Section 404 of the Clean Water Act (33 U.S.0 § 1344).
The proposed work must be accomplished in strict accordance with the general permit
conditions, any regional conditions, the application materials, and the enclosed plans. A
special condition of this authorization prohibits in -stream work from October 15 to April
15 to avoid/minimize impacts to trout spawning as recommended in the attached letter
from the North Carolina Wildlife Resources Commission. To avoid/minimize impacts to
federally endangered/threatened bat species, tree clearing is prohibited from April 1-
October 15 which is also a special condition of this permit authorization.
If the extent of the project area and/or nature of the authorized impacts to waters are
modified, a revised PCN must be submitted to this office for written approval before
work is initiated. Any violation of permit conditions or deviation from your submitted
plans may subject the permittee to enforcement action.

This verification is valid until March 14, 2026, unless prior to this date the subject
NWP(s) is suspended, revoked, or is modified such that the activity no longer complies
with the terms and conditions of this NWP. If you commence or are under contract to
commence this activity before the date that the relevant NWP is modified or revoked,
you will have 12 months from the date of the modification or revocation of the NWP to
complete the activity under the present terms and conditions of this NWP.
This NWP verification does not preclude the necessity to obtain any other Federal,
State, or local permits, licenses, and/or certifications, which may be required.
If you have any questions related to this verification or have issues accessing
documents referenced in this letter, please contact Amanda Fuernmeler, Project
Manager of the Asheville Regulatory Field Office at [phone] x4225, by mail at the
above address, or by email at [e-mail]. Please take a moment
to complete our customer satisfaction survey located at
https://regulatory.ops.usace.army.miI/customer-service-survey/.
Sincerely,
0 �-
Amanda Jones Fuernmeler
Project Manager
Enclosures
Cc: Jennings Environmental, PLLC, Attn: David Brown (via email)

0 North Carolina Wildlife Resources Commission 9
Cameron Ingram, Executive Director
February 25, 2024
Ms. Amanda Fuemmeler
U.S. Army Corps of Engineers, Regulatory Branch
151 Patton Avenue, Room 208
Asheville, North Carolina 28801-5006
SUBJECT: Mouth of Hardin Creek Restoration
UTs South Fork New River and Wetlands, Watauga County
Dear Ms. Fuemmeler:
Biologists with the North Carolina Wildlife Resources Commission (NCWRC) reviewed an
application to restore 2,520 ft of three unnamed tributaries (UTs) to the South Fork New River
and impact 1.54 acre of wetland in Watauga County. Our comments on this application are
offered for your consideration under provisions of the Clean Water Act of 1977 (33 U.S.C. 466
et. seq.) and Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661-
667d).
There are Rainbow Trout and Brown Trout in the vicinity of the project, and in -stream activities
should be avoided between October 15 and April 15 in order to minimize impacts to trout
reproduction. In addition, the South Fork New River is recognized by the NC Natural Heritage
Program as the South Fork New River Aquatic Habitat, rated Exceptional for the richness of rare
species it contains. Rare and listed species found in the river in the vicinity of the project include
Seep Mudalia [Leptoxis dilatata, NC Special Concem (SC)], Kanawha Minnow (Phenacobius
terelutus, NC SQ, Eastern Hellbender (Cryptobranchus alleganiensis, US Federal Species of
Concern, NC SQ, Kanawha Darter [Etheostoma kanawhae, NC Significantly Rare (SR)],
Tongue-tied Minnow (Exoglossum laurae, NC SR), Kanawha Rosyface Shiner (Notropis sp., NC
SR), and Appalachia Darter (Percina gymnocephala, NC SR). These rare species are especially
sensitive to sediment, and excellent erosion and sediment control is essential to minimize
impacts to these species.
The application proposes to stabilize unstable reaches of stream by building a new channel with
constructed riffles, log vanes, boulder and log j -hooks, and toewood. Berms will be removed and
floodplain benches constructed. A 75-ft wide riparian buffer will be planted. Work will involve
considerable wetland impacts, although wetlands within floodplain benches will be restored and
Mailing Address: Habitat Conservation - 1721 Mail Service Center - Raleigh, NC 27699-1721
Telephone: [phone] - Fax: [phone]

Mouth of Hardin Creek Restoration Page 2 February 25, 2024
UTs South Fork New R & Wetlands, Watauga Co
0.41 acre of new wetland created. Mud mats will be used to cross wetlands and timber bridges
used to cross streams. The channel will mostly be constructed off-line.
We offer the following recommendations to minimize impacts to the aquatic community:
1. In -channel work should be accomplished as quickly as possible and vigilance used in
sediment and erosion control during site preparation, construction, and clean up. Disturbed
areas should be seeded, mulched and/or matted as soon as possible, preferably at the end of
each work day.
2. Where work is to be done in live flows, flows should be pumped around work areas due to
the ecological importance of the South Fork River just downstream.
3. Any erosion control matting used should be free of nylon or plastic mesh, as this type of
mesh netting frequently entangles wildlife and is slow to degrade, resulting in a hazard that
may last for years.
4. In -stream activities should be done outside the October 15 to April 15 trout moratorium to
minimize impacts to Brown Trout reproduction.
5. A large area of wetland will be impacted, but the plan does not specify any wetland
plantings. We recommend using native wetland seed mix for impacted wetland areas.
Thank you for the opportunity to review and comment on this project. Please contact me at
[phone] if you have any questions about these comments.
Sincerely,
Andrea Leslie
Mountain Region Coordinator, Habitat Conservation Program
cc: David Brown, Jennings Environmental
Seren Homer, NC Division of Water Resources

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Call before you dig
HARDIN CREEK RESTORATION
HARDIN CREEK - WATAUGA COUNTY
TOWN OF BOONE, NORTH CAROLINA
LAT: 36.211312, LONG: -81.648139
PROJECT DIRECTORY
PROJECT SPONSOR
NEW RIVER CONSERVANCY
KATIE KROGMEIER
RESTORATION DIRECTOR
KATI E@N EWRIVERCONSERVANCY.ORG
DESIGN TEAM
ENGINEER
JENNINGS ENVIRONMENTAL PLLIC
GREG JENNINGS, PHD, PE
PRESIDENT
[e-mail]
SURVEYOR
PILOTSE, P.C.
CORY GEORGE, PE, PLS
PRESIDENT
[e-mail]
CONSTRUCTION
CONTRACTOR
NORTH STATE ENVIRONMENTAL
BRANDON SPAUGH
CHIEF OPERATING OFFICER
[e-mail]
PROPERTY OWNER(S)
PIN
OWNER
2910-8834-56000
WATAUGA COUNTY
2910-6688-24000
STATE OF NORTH CAROLINA
SHEETINDEX
COVER SHEET
1.1
GENERAL PROJECT NOTES AND SPECIFICATIONS
1.2
NC CONSTRUCTION GENERAL PERMIT (NCG01)
1.3-1.4
LEGEND & TYPICAL SECTIONS
1.5
STREAM RESTORATION - PLAN & PROFILES
2.1-2.7
SECTIONS
3.1-3.2
DETAILS
4.1-4.6
EROSION & SEDIMENTATION CONTROL (ESC)
5.1-5.5
RE -VEGETATION
6.1-6.4
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NOT FOR CONSTRUCTION
PERMIT DRAWING
January 22, 2024
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 " = 1500'
SCALE (1 7X1 1 "): 1 " = 3000'
0 1500 3000
SCALE IN FEET
SHEET NUMBER
1.1

GENERAL PROJECT NOTES AND SPECIFICATIONS
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1. DEFINITIONS:
1. 1. CONSTRUCTION DOCUMENTS- THE CONTRACT AND APPLICABLE DRAWINGS, DETAILS,
SPECIFICATIONS, PERMIT(S), AND/OR ANY OTHER DOCUMENTS (MEETING MINUTES, PUNCH LISTS, BID
TABS, ETC.) FOR COMPLETE INFORMATION ABOUT THE REQUIRED WORK. ANY ONE OF THESE PARTS
OF THE MAY NOT CONTAIN ALL OF THE INFORMATION REQUIRED TO COMPLETE THE PROJECT WORK.
1.2. ENGINEER- JENNINGS ENVIRONMENTAL PLLC
2. THE WORK ON THIS PROJECT SHALL ADHERE TO THE FOLLOWING SPECIFICATIONS, STANDARDS AND/OR
REGULATIONS-
2.1. NC DEMLR'S "EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL" (2013)
2.2. NC DEMLR'S CONSTRUCTION GENERAL PERMIT NUMBER NCGO1000
2.3. GENERAL, REGIONAL AND SPECIAL CONDITIONS OF USACE'S 404 NATIONWIDE PERMIT NUMBER 27
2.4. GENERAL AND SPECIAL CONDITIONS OF NCDWR'S 401 WATER QUALITY CERTIFICATION 4134
2.5. THE CONSTRUCTION DOCUMENTS
3. ALL EXISTING UTILITIES MAY NOT BE SHOWN. SOME LOCATIONS MAY BE APPROXIMATE. CONTRACTOR
SHALL NOTIFY'NC811' (811) OR (1-800-632-4949) AT LEAST 3 FULL BUSINESS DAYS PRIOR TO BEGINNING
CONSTRUCTION OR EXCAVATION TO HAVE EXISTING UTILITIES LOCATED. CONTRACTOR SHALL CONTACT
ANY LOCAL UTILITIES THAT PROVIDE THEIR OWN LOCATOR SERVICES INDEPENDENT OF INC81 1'. REPORT
ANY DISCREPANCIES TO THE ENGINEER IMMEDIATELY. ANY UTILITIES SHOWN ON THE CONSTRUCTION
DOCUMENTS ARE FOR INFORMATIONAL PURPOSES ONLY AND IN NO WAY RELIEVES THE CONTRACTOR
FROM COORDINATING, VERIFYING, AND PROTECTING EXISTING UTILITIES.
4. ALL UTILITIES SHALL BE PROTECTED AND REMAIN ACTIVE UNLESS OTHERWISE NOTED. CONTRACTOR IS
RESPONSIBLE FOR COORDINATING CONSTRUCTION ACTIVITIES WITH THE APPROPRIATE UTILITY
COMPANIES FOR ANY REQUIRED RELOCATIONS (I.E. POWER POLES, METERS, FITTINGS, ETC.).
5. THE CONTRACTOR IS RESPONSIBLE FOR THE PROJECT AREA UNTIL COMPLETION AND FINAL
ACCEPTANCE BY THE ENGINEER AND PROJECT OWNER. THE CONTRACTOR SHALL CONFINE ALL
ACTIVITIES, INCLUDING EQUIPMENT STORAGE, TO THE LIMITS OF DISTURBANCE, STAGING AREAS, AND
DESIGNATED CONSTRUCTION ACCESS POINTS.
6. THE MANNER IN WHICH THE CONTRACTOR DEALS WITH PEOPLE AND THEIR PROPERTIES WHILE
PERFORMING THIS WORK IS EXTREMELY IMPORTANT. THEREFORE, THE CONTRACTOR AND THE
CONTRACTOR'S REPRESENTATIVES SHALL MANIFEST A SPIRIT OF FRIENDLINESS AND COOPERATION
WHEN DEALING WITH PROPERTY OWNERS AND THE GENERAL PUBLIC WHILE PERFORMING WORK ON
THE SITE.
7. EXTREME CARE AND DILIGENCE SHALL BE EXERCISED BY THE CONTRACTOR TO ASSURE THE SAFETY OF
PERSONS, ANIMALS, AND PROPERTY. IF AT ANY TIME THE OWNER OR ENGINEER DETERMINES THAT THE
CONTRACTOR'S METHODS OR EQUIPMENT ARE INADEQUATE FOR SECURING THE SAFETY OF THE
CONTRACTOR'S EMPLOYEES OR THE PUBLIC, THE DESIGNATED REPRESENTATIVE MAY DIRECT THE
CONTRACTOR TO TAKE SPECIFIC ACTIONS TO ENSURE SAFETY. THE CONTRACTOR SHALL IMPROVE
METHODS AS DEEMED APPROPRIATE BY THE DESIGNATED REPRESENTATIVE WITHOUT ADDITIONAL
COST TO THE PROJECT OWNER, SO AS TO ASSURE COMPLIANCE WITH SAFETY CONCERNS. FAILURE OF
THE DESIGNATED REPRESENTATIVE TO MAKE THIS DEMAND SHALL NOT RELIEVE THE CONTRACTOR OF
ANY OBLIGATION TO ENSURE THE SAFE CONDUCT OF ITS WORK.
8. THE CONTRACTOR SHALL MAINTAIN ALL LIGHTS, GUARDS, SIGNS, TEMPORARY PASSAGES, OR OTHER
PRECAUTIONS NECESSARY FOR THE SAFETY OF ALL PERSONS. THE CONTRACTOR SHALL ABIDE BY ALL
SAFETY RULES AND CONSTRUCTION CONDITIONS REQUIRED BY GOVERNMENTAL AUTHORITIES AND
OTHER ENTITIES, INCLUDING RAILROADS, SO THE PUBLIC IS SAFEGUARDED FROM ACCIDENTS AND
DELAYS. GUARDS AND FLAGS REQUIRED BY GOVERNMENTAL OR RAILROAD AUTHORITIES SHALL BE
PROVIDED AT THE CONTRACTOR'S EXPENSE, UNLESS DIRECTED OTHERWISE BY THE DESIGNATED
REPRESENTATIVE. CONTRACTOR SHALL AT NO TIME COMPROMISE EITHER SAFETY OR ENVIRONMENTAL
REQUIREMENTS.
9. THE CONTRACTOR SHALL ONLY USE ACCESS PATHS AND STAGING AREAS SHOWN ON THE DRAWINGS.
ANY ALTERNATE ACCESS PLANNED BY THE CONTRACTOR SHALL BE APPROVED BY THE ENGINEER AND
PROJECT OWNER PRIOR TO USE.
10. NO NON -PERMITTED FILL IN WETLANDS MAY OCCUR. ALL EXCESS SOILS FROM STABILIZATION AND
GRADING WORK SHALL BE PLACED IN DESIGNATED AREAS ON THE SITE.
11. SITE SHOULD BE "STORM READY" AT THE END OF EACH WORK DAY AND WORK WEEK.
TOPOGRAPHIC NOTES AND SPECIFICATIONS
12. HORIZONTAL DATUM IS NAD83(201 1) & VERTICAL DATUM IS NAVD88. ALL COORDINATES ARE BASED ON
NAD83(201 1) AND ALL ELEVATIONS ARE BASED ON NAVD88.
13. THE DESIGN ELEVATIONS AND GRADES SHOWN IN THE DRAWINGS ARE BASED ON THE EXISTING
GROUND SURFACE FROM THE SEPTEMBER AND NOVEMBER 2023 SURVEY, ADDITIONAL GROUND
ELEVATIONS SHOWN ARE SUPPLEMENTED WITH NORTH CAROLINA SPATIAL DATA DOWNLOAD QL1/QL2
LIDAR. ALL COMPUTATIONS OF CUT AND FILL ARE BASED ON THE EXISTING GROUND SURFACE.
DISCREPANCIES BETWEEN THE EXISTING GROUND SURFACE AND FIELD CONDITIONS AT THE TIME OF
CONSTRUCTION CAN RESULT IN VARIATIONS OF TOTAL EXCAVATED QUANTITIES. THESE VARIATIONS
SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.
STREAM RESTORATION NOTES AND SPECIFICATIONS
14. FIELD CONDITIONS MAY REQUIRE ADAPTATION OF THE DESIGN AND/OR DETAILS PROVIDED IN THE
DRAWINGS. MINOR VARIATION(S) OR ADAPTATION(S) OF THE PROPOSED WORK SHOWN IN THE
DRAWINGS AND DETAILS ARE CONSIDERED INCIDENTAL TO THE WORK. THE ENGINEER WILL WORK WITH
THE CONTRACTOR TO ADDRESS ANY FIELD CHANGES.
15. IN -STREAM ROCK STRUCTURES MAY BE SUBSTITUTED WITH WOOD STRUCTURES WITH WRITTEN
APPROVAL FROM THE ENGINEER.
16. THE CONTRACTOR SHALL MARK THE LOCATIONS OF BANK STABILIZATION STRUCTURES USING SURVEY
GRADE GPS EQUIPMENT FOR REVIEW BY THE ENGINEER BEFORE BEGINNING EXCAVATION AND
GRADING.
17. CONTRACTOR SHALL MINIMIZE, TO THE MAXIMUM EXTENT POSSIBLE, IMPACTS TO ADJACENT
SIGNIFICANT TREES.
18. CONTRACTOR SHALL USE AN EXCAVATOR WITH A HYDRAULIC THUMB TO INSTALL BANK STABILIZATION
STRUCTURES.
19. DESIGN ELEVATIONS SHALL BE CONSTRUCTED WITHIN 0.1'(VERTICAL). WIDTHS AND DEPTHS MUST FALL
WITHIN RANGES SHOWN IN THE DRAWINGS AND DETAILS.
20. IF THE EXISTING GROUND IS LESS THAN 0.2' HIGHER THAN THE PROPOSED BANKFULL ELEVATION, IT IS
NOT NECESSARY TO EXCAVATE TO THE PROPOSED ELEVATIONS AND GRADES IN THE CONSTRUCTION
DOCUMENTS.
21. BANK STABILIZATION STRUCTURES SHALL BE INSTALLED AS SHOWN IN THE DRAWINGS AND DETAILS. ALL
STRUCTURES SHALL BE FINISHED TO A SMOOTH SURFACE IN ACCORDANCE WITH THE LINES, GRADES
AND ELEVATIONS SHOWN IN THE DRAWINGS AND DETAILS. THE FINISHED STRUCTURE SLOPES AND
GRADES SHALL BE WITHIN 0.1'OF DESIGN ELEVATIONS.
22. AFTER THE STRUCTURE IS COMPLETE AND NORMAL FLOW IS RESTORED TO THE CHANNEL, SOME
ADJUSTMENT TO THE STRUCTURE OR ADDITIONAL STABILIZATION MEASURE MAY BE NECESSARY TO
ACHIEVE THE DESIRED FUNCTION.
23. THE GRADED RIVER BANKS SHALL BE STABILIZED AS SOON AS POSSIBLE BY TEMPORARY AND
PERMANENT SEEDING, ADDING STRAW MULCH TO BARE SOIL AND INSTALLING EROSION CONTROL
MATTING AS SHOWN IN THE DRAWINGS AND DETAILS. PRIOR TO INSTALLING THE EROSION CONTROL
MATTING, PREPARE THE SOIL SURFACE BY LOOSENING 3 - 6" OF SOIL OR APPLYING 3 - 6" OF TOPSOIL TO
THE DESIGN ELEVATIONS AND APPLY TEMPORARY AND PERMANENT SEED AND THEN STRAW MULCH.
SEED SHALL BE BROADCAST EVENLY OVER THE AREA USING A BROADCAST SPREADER PRIOR TO
COVERING WITH THE EROSION CONTROL MATTING. THE MATTING SHALL BE ROLLED OUT IN THE
DIRECTION OF ANTICIPATED RUNOFF. INSTALL MATTING IN ACCORDANCE WITH THE DETAIL INCLUDED IN
THE DRAWINGS. MATTING USED FOR STREAMBANK STABILIZATION MUST BE CERTIFIED WEED -FREE
STRAW OR OTHER NATURAL WEED -FREE / NON -PROPAGATING VEGETATIVE MATERIALS. REWORKING OF
AREAS THAT DO NOT ESTABLISH VEGETATION OR BECOME UNSTABLE SHALL BE NECESSARY IN THE
MATTING SEPARATES FROM THE SOIL.
24. TOPSOIL SHALL BE REMOVED FROM EXCAVATION AND FILL AREAS PRIOR TO EXCAVATION AND GRADING
AND RE -APPLIED TO AREAS AFTER ROUGH GRADING IS COMPLETE. 2 - 4" OF TOPSOIL SHALL BE PLACED
ON DISTURBED AREAS TO THE ELEVATIONS AND GRADES INCLUDED IN THE DRAWINGS.
25. HYDRIC SOILS FROM THE DISTURBED WETLAND AREA(S) WILL BE STOCKPILED SEPARATE FROM OTHER
STOCKPILED SOILS AT THE SITE. THESE SOILS WILL BE PLACED WITHIN RESTORED WETLAND AREAS
AND/OR PLACED WITHIN CONSTRUCTED WETLAND AREAS. RESTORATION DESIGN WILL ENHANCE
EXISTING WETLAND HYDROLOGY AND DISTURBED WETLAND AREAS WILL BE SEEDED WITH A NATIVE
WETLAND MIX AND WHERE AVAILABLE THE SEED MIX WILL INCLUDE HERBACEOUS WETLAND
POLLINATOR SPECIES.
EROSION AND SEDIMENTATION CONTROL NOTES AND SPECIFICATIONS
26. ALL CONSTRUCTION ACTIVITIES SHALL ADHERE TO THE CONDITIONS AND REQUIREMENTS OF
NCDEMLR'S NG01 CONSTRUCTION GENERAL PERMIT.
27. ALL TREES, UTILITIES AND OTHER SITE FEATURES SHALL BE PROTECTED UNLESS MARKED FOR
REMOVAL OR RELOCATION.
28. ALL WETLANDS AND STREAMS LOCATED WITHIN 50 FEET OF THE CONSTRUCTION AREA ON THE PROJECT
SITE SHALL BE CLEARLY MARKED (EXAMPLE- ORANGE FABRIC FENCING) PRIOR TO ANY LAND
DISTURBING ACTIVITIES AND MUST BE MAINTAINED ON THE PROPERTY UNTIL THE PROJECT PHASE IS
COMPLETED [15A NCAC 02H.0506 (13)(2)].
29. THE CONTRACTOR SHALL USED A STANDARD CONSTRUCTION ENTRANCE AT ALL SITE ACCESS POINTS
TO PREVENT SEDIMENT FROM BEING TRACKED ONTO PUBLIC ROADS.
30. THE CONTRACTOR SHALL USED TEMPORARY SILT FENCE ALONG THE DOWNSLOPE SIDE OF ALL STAGING
AREAS AND TEMPORARY STOCK PILE AREAS.
31. THE TURBIDITY IN THE RECEIVING WATERS SHALL NOT EXCEED 50 NEPHELOMETRIC TURBIDITY UNITS
(NTU) IN STREAMS NOT DESIGNATED AS TROUT WATERS AND 10 NTU IN STREAMS, LAKES, OR
RESERVOIRS DESIGNATED AS TROUT WATERS, AS DESCRIBED IN 15A NCAC 02B .0200. APPROPRIATE
SEDIMENT AND EROSION CONTROL PRACTICES MUST BE USED TO MEET THIS STANDARD. [15A NCAC 02B
.0211 (21)].
32. EQUIPMENT SHALL BE WELL -MAINTAINED, CLEANED PRIOR TO MOBILIZATION, AND CHECKED DAILY FOR
LEAKS OF PETROLEUM PRODUCTS. FUELING, LUBRICATION AND GENERAL EQUIPMENT MAINTENANCE
SHOULD NOT TAKE PLACE WITHIN 50 FEET OF A WATERBODY OR WETLANDS TO PREVENT
CONTAMINATION BY FUEL AND OILS. [1 5A NCAC 02H .0506 (B)(3) AND 15A NCAC 02B.0211(12)].
33. CONSTRUCTION SHALL BE TIMED TO OCCUR DURING TIMES OF LOW FLOW
34. THE DESIGNER OR HIS DESIGNEE SHALL SUPERVISE THE INSTALLATION OF IN -STREAM STRUCTURES.
[1 5A NCAC 02H .0506(B)(1) AND (2)].
35. A TEMPORARY DIVERSION AND/OR PUMP AROUND SYSTEM SHALL BE USED TO DURING ALL STREAM
RESTORATION AND STABILIZATION WORK AS SHOWN IN THE DETAILS. TEMPORARY PUMP AROUND
SYSTEM SHALL BE USED AT PROJECT SITES WHERE THE WATERSHED SIZE IS LESS THAN 2 SQUARE
MILES.
36. THE STREAM BANKS, IN -STREAM STRUCTURES, AND WORK AREA MUST BE STABILIZED AT THE END OF
EACH DAY BEFORE THE TEMPORARY IN -STREAM DIVERSIONS AND/OR PUMP AROUND SYSTEM(S) ARE
REMOVED AND FLOW IS RETURNED THE FULL CHANNEL.
37. EROSION CONTROL MATTING THAT INCORPORATES PLASTIC MESH AND/OR PLASTIC TWINE SHALL NOT
BE USED ALONG STREAMBANKS OR WITHIN WETLANDS. DISTURBED AREAS SHOULD BE SEEDED,
MULCHED, AND/OR MATTED AS SOON AS POSSIBLE, PREFERABLY AT THE END OF EACH WORKDAY. [15A
NCAC 02B.0201]
38. IF BORROW OR WASTE MATERIAL IS REQUIRED OR GENERATED DURING GRADING OPERATIONS, AN
APPROVED EROSION AND SEDIMENT CONTROL PERMIT MUST BE SECURED FOR THE BORROW OR WASTE
MATERIAL SITE PRIOR TO INITIATION OF ANY LAND DISTURBING ACTIVITY. [15A NCAC 04B.01 10].
QUANTITIES AND MATERIALS NOTES AND SPECIFICATIONS
39. THE CONTRACTOR SHALL FURNISH ALL MATERIALS NECESSARY TO COMPLETE THE PROPOSED WORK
UNLESS OTHER PROVISIONS HAVE BEEN AGREED UPON PRIOR TO CONSTRUCTION. THE CONTRACTOR
SHALL DELIVER ALL MATERIALS TO THE DESIGNATED ACCESS POINTS AND STAGING AREAS. MATERIAL
QUANTITIES, DIMENSIONS AND SIZES SHALL CONFORM TO THE NOTES AND SPECIFICATIONS PROVIDED
IN THE CONSTRUCTION DOCUMENTS. THE ENGINEER MAY INSPECT AND APPROVE ALL MATERIALS PRIOR
TO CONSTRUCTION. IF MATERIALS DO NOT MEET THE MINIMUM REQUIREMENTS SPECIFIED IN THE
CONSTRUCTION DOCUMENTS, THE ENGINEER SHALL REJECT THE MATERIALS.
40. COSTS INCURRED DUE TO PROJECT DELAYS RESULTING FROM FAILURE OF THE CONTRACTOR TO MEET
THE REQUIREMENTS OF THE CONSTRUCTION DOCUMENTS SHALL BE THE EXPENSE OF THE
CONTRACTOR. QUANTITIES LISTED ARE ESTIMATES ONLY AND SHALL BE CONFIRMED BY THE
CONTRACTOR.
41. THE EROSION CONTROL MEASURES DEPICTED ON THE DRAWINGS SHALL BE INSTALLED AS NEEDED TO
KEEP ALL SEDIMENT ON SITE AND OUT OF STREAMS AND WETLANDS. ADDITIONAL EROSION CONTROL
MEASURES (ABOVE THOSE SHOWN ON THE DRAWINGS) MAY BE REQUIRED IN ORDER TO KEEP ALL
SEDIMENT ON SITE AND OUT OF STREAMS AND WETLANDS. THE CONTRACTOR SHALL OBTAIN APPROVAL
FROM THE PROJECT OWNER AND ENGINEER PRIOR TO INSTALLATION OF ADDITIONAL EROSION
CONTROL MEASURES.
42. ANY ADDITIONAL GRADING OTHER THAN WHAT IS SHOWN ON THE PLANS SHALL REQUIRE PRIOR
APPROVAL FROM THE PROJECT OWNER AND ENGINEER.
43. THE USE OF ANY BRAND NAMES/MANUFACTURERS OR MODELS IS INTENDED SOLELY TO DENOTE THE
QUALITY STANDARD OF THE DESIRED PRODUCT. ANY USE OF BRAND NAMES IS NOT INTENDED TO
RESTRICT BIDDERS TO A SPECIFIC BRAND, MAKE, MANUFACTURER, OR NAME. THE BRAND NAMES /
MANUFACTURERS OF MODELS ARE INTENDED TO CONVEY THE GENERAL STYLE, TYPE, CHARACTER, AND
QUALITY OF PRODUCT. EQUIVALENT PRODUCTS WILL BE ACCEPTABLE IF THE PROJECT OWNER OR
ENGINEER HAS GIVEN APPROVAL OF THE SPECIFIC PRODUCT IN WRITING.
44. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING AND PROVIDING STORAGE AREAS FOR
CONSTRUCTION MATERIALS AND EQUIPMENT. THE MATERIAL AND EQUIPMENT STORAGE SHALL COMPLY
WITH THE CONSTRUCTION DOCUMENTS AND ALL LOCAL, STATE AND FEDERAL REGULATIONS
THROUGHOUT THE CONSTRUCTION PERIOD. THE CONTRACTOR SHALL RESTORE THE STORAGE AREA TO
ITS ORIGINAL (OR BETTER) CONDITION UPON COMPLETION OF THE PROJECT OR UPON SUCH TIME AS
DIRECTED BY THE PROJECT OWNER AND ENGINEER. SUCH RESTORATION SHALL BE AT NO ADDITIONAL
COST TO THE PROJECT OWNER.
45. THE CONTRACTOR SHALL WARRANTY ALL MATERIALS AND WORKMANSHIP FOR A PERIOD OF ONE (1)
YEAR FROM THE DATE OF ACCEPTANCE OF BY THE PROJECT OWNER AND SHALL REPLACE ANY
PORTIONS THAT FAIL DUE TO FAULTY MATERIALS OR WORKMANSHIP, AT NO ADDITIONAL COST TO THE
PROJECT OWNER. A SIX (6) MONTH AND ELEVEN (11) MONTH INSPECTION WILL BE PERFORMED DURING
THE WARRANTY PERIOD. THE CONTRACTOR SHALL IMMEDIATELY REPAIR ALL ITEMS DETERMINED BY
THE PROJECT OWNER OR AUTHORIZED REPRESENTATIVE TO BE DEFECTIVE UPON NOTIFICATION. THE
CONTRACTOR SHALL IMMEDIATELY REPAIR OR REPLACE FAILED ITEMS UPON NOTIFICATION BY THE
PROJECT OWNER. SEASONALLY INSTALLED ITEMS SHALL BE REPAIRED OR REPLACED DURING THE NEXT
AVAILABLE INSTALLATION PERIOD. ITEMS REPAIRED OR REPLACED UNDER THIS PROVISION SHALL HAVE
AN ADDITIONAL ONE (1) YEAR WARRANTY PERIOD FROM THE NEW DATE OF ACCEPTANCE. AREAS
AND/OR OTHER WORK DISTURBED WHILE ACCESSING AND/OR REPAIRING/REPLACING WARRANTY
COVERED ITEMS SHALL BE STABILIZED.
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ASHEVILLE, NC 28805
DATE:
1/22/2024
NOT TO SCALE
SHEET NUMBER
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GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE
NCGO1 CONSTRUCTION GENERAL PERMIT
IMPLEMENTING THE DETAILS AND SPECIFICATIONS ON THIS PLAN SHEET WILL RESULT IN THE CONSTRUCTION
ACTIVITY BEING CONSIDERED COMPLIANT WITH THE GROUND STABILIZATION AND MATERIALS HANDLING
SECTIONS OF THE NCGO1 CONSTRUCTION GENERAL PERMIT (SECTIONS E AND F, RESPECTIVELY). THE
PERMITTEE SHALL COMPLY WITH THE EROSION AND SEDIMENT CONTROL PLAN APPROVED BY THE
DELEGATED AUTHORITY HAVING JURISDICTION. ALL DETAILS AND SPECIFICATIONS SHOWN ON THIS SHEET
MAY NOT APPLY DEPENDING ON SITE CONDITIONS AND THE DELEGATED AUTHORITY HAVING JURISDICTION.
SECTION E: GROUND STABILIZATION
REQUIRED GROUND STABILIZATION TIMEFRAMES
STABILIZE WITHIN THIS MANY
SITE AREA DESCRIPTION
CALENDAR DAYS AFTER
TIMEFRAME VARIATIONS
CEASING LAND DISTURBANCE
(A) PERIMETER DIKES,
SWALES, DITCHES, AND
7
NONE
PERIMETER SLOPES
(B) HIGH QUALITY WATER
(HQW)ZONES
7
NONE
(C) SLOPES STEEPER THAN 3:1
IF SLOPES ARE 10'OR LESS IN LENGTH AND
7
ARE NOT STEEPER THAN 2-1, 14 DAYS ARE
ALLOWED
(D) SLOPES 3-1 TO 4-1
- 7 DAYS FOR SLOPES GREATER THAN 50'
IN LENGTH AND WITH SLOPES STEEPER
THAN 4:1
14
- 7 DAYS FOR PERIMETER DIKES,
SWALES, DITCHES, PERIMETER SLOPES
AND HQW ZONES
- 10 DAYS FOR FALLS LAKE WATERSHED
(E) AREAS WITH SLOPES
- 7 DAYS FOR PERIMETER DIKES,
FLATTER THAN 4:1
SWALES, DITCHES, PERIMETER SLOPES
14
AND HQW ZONES
- 10 DAYS FOR FALLS LAKE WATERSHED
UNLESS THERE IS ZERO SLOPE
NOTE: AFTER THE PERMANENT CESSATION OF CONSTRUCTION ACTIVITIES, ANY AREAS WITH TEMPORARY
GROUND STABILIZATION SHALL BE CONVERTED TO PERMANENT GROUND STABILIZATION AS SOON AS
PRACTICABLE BUT IN NO CASE LONGER THAN 90 CALENDAR DAYS AFTER THE LAST LAND DISTURBING
ACTIVITY. TEMPORARY GROUND STABILIZATION SHALL BE MAINTAINED IN A MANNER TO RENDER THE
SURFACE STABLE AGAINST ACCELERATED EROSION UNTIL PERMANENT GROUND STABILIZATION IS ACHIEVED.
GROUND STABILIZATION SPECIFICATION
STABILIZE THE GROUND SUFFICIENTLY SO THAT RAIN WILL NOT DISLODGE THE SOIL. USE ONE OF THE
TECHNIQUES IN THE TABLE BELOW:
TEMPORARY STABILIZATION
PERMANENT STABILIZATION
• TEMPORARY GRASS SEED COVERED
e PERMANENT GRASS SEED COVERED WITH STRAW OR OTHER
WITH STRAW OR OTHER MULCHES AND
MULCHES AND TACKIFIERS
TACKIFIERS
0 GEOTEXTILE FABRICS SUCH AS PERMANENT SOIL
• HYDROSEEDING
REINFORCEMENT MATTING
• ROLLED EROSION CONTROL
9 HYDROSEEDING
PRODUCTS WITH OR WITHOUT
e SHRUBS OR OTHER PERMANENT PLANTINS COVERED WITH
TEMPORARY GRASS SEED
MULCH
• APPROPRIATELY APPLIED STRAW OR
9 UNIFORM AND EVENLY DISTRIBUTED GROUND COVER
OTHER MULCH
SUFFICIENT TO RESTRAIN EROSION
• PLASTIC SHEETING
0 STRUCTURAL METHODS SUCH AS CONCRETE, ASPHALT OR
RETAINING WALLS
0 ROLLED EROSION CONTROL PRODUCTS WITH GRASS SEED
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1 SELECT FLOCCULANTS THAT ARE APPROPRIATE FOR THE SOILS BEING EXPOSED DURING
CONSTRUCTION, SELECTING FROM THE NC DWR LIST OFAPPROVED PAMSIFLOCCULANTS.
2. APPLY FLOCCULANTS AT OR BEFORE THE INLETS TO EROSION AND SEDIMENT CONTROL MEASURES.
3. APPLY FLOCCULANTS AT THE CONCENTRATIONS SPECIFIED IN THE NC DWR LIST OF APPROVED
PAMSIFLOCCULANTS AND IN ACCORDANCE WITH THE MANUFACTURIER'S INSTRUCTIONS.
4. PROVIDE PONDING AREA FOR CONTAINMENT OF TREATED STORMWATER BEFORE DISCHARGING
OFFSITE.
5. STORE FLOCCULANTS IN LEAK -PROOF CONTAINERS THAT ARE KEPT UNDER STORM -RESISTANT COVER
OR SURROUNDED BY SECONDARY CONTAINMENT STRUCTURES.
EQUIPMENT AND VEHICLE MAINTENANCE
1 . MAINTAIN VEHICLES AND EQUIPMENT TO PREVENT DISCHARGE OF FLUIDS.
2. PROVIDE DRIP PANS UNDER ANY STORED EQUIPMENT.
3. IDENTIFY LEAKS AND REPAIR AS SOON AS FEASIBLE, OR REMOVE LEAKING EQUIPMENT FROM THE
PROJECT.
4. COLLECT ALL SPENT FLUIDS, STORE IN SEPARATE CONTAINERS AND PROPERLY DISPOSE AS HAZARDOUS
WASTE (RECYCLE WHEN POSSIBLE).
5. REMOVE LEAKING VEHICLES AND CONSTRUCTION EQUIPMENT FROM SERVICE UNTIL THE PROBLEM HAS
BEEN CORRECTED.
6. BRING USED FUELS, LUBRICANTS, COOLANTS, HYDRAULIC FLUIDS AND OTHER PETROLEUM PRODUCTS TO
A RECYCLING OR DISPOSAL CENTER THAT HANDLES THESE MATERIALS.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1 . NEVER BURY OR BURN WASTE. PLACE LITTER AND DEBRIS IN APPROVED WASTE CONTAINERS.
2. PROVIDE A SUFFICIENT NUMBER AND SIZE OF WASTE CONTAINERS (E.G DUMPSTER, TRASH RECEPTACLE)
ON SITE TO CONTAIN CONSTRUCTION AND DOMESTIC WASTES.
3. LOCATE WASTE CONTAINERS AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND SURFACE
WATERS UNLESS NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE.
4. LOCATE WASTE CONTAINERS ON AREAS THAT DO NOT RECEIVE SUBSTANTIAL AMOUNTS OF RUNOFF
FROM UPLAND AREAS AND DOES NOT DRAIN DIRECTLY TO A STORM DRAIN, STREAM OR WETLAND.
5. COVER WASTE CONTAINERS AT THE END OF EACH WORKDAY AND BEFORE STORM EVENTS OR PROVIDE
SECONDARY CONTAINMENT. REPAIR OR REPLACE DAMAGED WASTE CONTAINERS.
6. ANCHOR ALL LIGHTWEIGHT ITEMS IN WASTE CONTAINERS DURING TIMES OF HIGH WINDS.
7. EMPTY WASTE CONTAINERS AS NEEDED TO PREVENT OVERFLOW. CLEAN UP IMMEDIATELY IF
CONTAINERS OVERFLOW.
8. DISPOSE WASTE OFF -SITE AT AN APPROVED DISPOSAL FACILITY.
9. ON BUSINESS DAYS, CLEAN UP AND DISPOSE OF WASTE IN DESIGNATED WASTE CONTAINERS.
PAINT AND OTHER LIQUID WASTE
1 . DO NOT DUMP PAINT AND OTHER LIQUID WASTE INTO STORM DRAINS, STREAMS OR WETLANDS.
2. LOCATE PAINT WASHOUTS AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND SURFACE WATERS
UNLESS NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE.
3. CONTAIN LIQUID WASTES IN A CONTROLLED AREA.
4. CONTAINMENT MUST BE LABELED, SIZED AND PLACED APPROPRIATELY FOR THE NEEDS OF SITE.
5. PREVENT THE DISCHARGE OF SOAPS, SOLVENTS, DETERGENTS AND OTHER LIQUID WASTES FROM
CONSTRUCTION SITES.
PORTABLE TOILETS
1. INSTALL PORTABLE TOILETS ON LEVEL GROUND, AT LEAST 50 FEET AWAY FROM STORM DRAINS, STREAMS
OR WETLANDS UNLESS THERE IS NO ALTERNATIVE REASONABLY AVAILABLE. IF 50 FOOT OFFSET IS NOT
ATTAINABLE, PROVIDE RELOCATION OF PORTABLE TOILET BEHIND SILT FENCE OR PLACE ON A GRAVEL
PAD AND SURROUND WITH SAND BAGS.
2. PROVIDE STAKING OR ANCHORING OF PORTABLE TOILETS DURING PERIODS OF HIGH WINDS OR IN HIGH
FOOT TRAFFIC AREAS.
3. MONITOR PORTABLE TOILETS FOR LEAKING AND PROPERLY DISPOSE OF ANY LEAKED MATERIAL. UTILIZE
A LICENSED SANITARY WASTE HAULER TO REMOVE LEAKING PORTABLE TOILETS AND REPLACE WITH
PROPERLY OPERATING UNIT.
EARTHEN STOCKPILE MANAGEMENT
1 . SHOW STOCKPILE LOCATIONS ON PLANS. LOCATE EARTH EN -MATERIAL STOCKPILE AREAS AT LEAST 50
FEET AWAY FROM STORM DRAIN INLETS, SEDIMENT BASINS, PERIMETER SEDIMENT CONTROLS AND
SURFACE WATERS UNLESS IT CAN BE SHOWN NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE.
2. PROTECT STOCKPILE WITH SILT FENCE INSTALLED ALONG TOE OF SLOPE WITH A MINIMUM OFFSET OF
FIVE FEET FROM THE TOE OF STOCKPILE.
3. PROVIDE STABLE STONE ACCESS POINT WHEN FEASIBLE.
4. STABILIZE STOCKPILE WITHIN THE TIMEFRAMES PROVIDED ON THIS SHEET AND IN ACCORDANCE WITH
THE APPROVED PLAN AND ANY ADDITIONAL REQUIREMENTS. SOIL STABILIZATION IS DEFINED AS
VEGETATIVE, PHYSICAL OR CHEMICAL COVERAGE TECHNIQUES THAT WILL RESTRAIN ACCELERATED
EROSION ON DISTURBED SOILS FOR TEMPORARY OR PERMANENT CONTROL NEEDS.
ONSITE CONCRETE WASHOUT STRUCTURE WITH LINER
CLEARLY MARKED
SIGNAGE NOTING
DEVICE (18"x24" MIN.)
NOTES:
1 . ACTUAL LOCATION DETERMINED IN
FIELD.
2. THE CONCRETE WASHOUT
STRUCTURES SHALL BE MAINTAINED
WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES
CAPACITY.
3. CONCRETE WASHOUT STRUCTURE
NEEDS TO BE CLEARY MARKED WITH
SIGNAGE NOTING DEVICE.
SANDBAGS (TYP.)
OR STAPLES
M 00-
1141
PLAN
BELOW GRADE WASHOUT STRUCTURE
NOT TO SCALE
1:1 SIDE SLOPE (TYP.)
SILT FENCE
(TYP.)
3.0' MIN.
XXMAX,
HIGH
COHESIVE &
10, LOW
CLEARLY MARKED HIGH COHESIVE & MIN. FILTRATION
LOW FILTRATION SOIL BERM
CONCRETE �31Qlljm%jF_ 114U 1 llN%j SOIL BERM B
WASHOUT DEVICE (18"x24" MIN.)
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NOTES: 0 o' MIN.
1 . ACTUAL LOCATION DETERMINED IN FIELD.
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2. THE CONCRETE WASHOUT STRUCTURES SHALL _2�j
BE MAINTAINED WHEN THE LIQUID AND/OR SANDBAGS (TYP.) B
SOLID REACHES 75% OF THE STRUCTURES OR STAPLES
CAPACITY TO PROVIDE ADEQUATE HOLDING PLAN
CAPACITY WITH A MINIMUM 12 INCHES OF
FREEBOARD.
3. CONCRETE WASHOUT STRUCTURE NEEDS TO
BE CLEARY MARKED WITH SIGNAGE NOTING
DEVICE.
ABOVE GRADE WASHOUT STRUCTURE
NOT TO SCALE
� CONCRETE WASHOUTS
SANDBAGS (TYP.)
OR STAPLES
10 MIL PLASTIC
LINING
SANDBAGS (TYP.)
OR STAPLES 1:1 SIDE
(���p E
Typ-)
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LINING
1 . DO NOT DISCHARGE CONCRETE OR CEMENT SLURRY FROM THE SITE.
2. DISPOSE OF, OR RECYCLE SETTLED, HARDENED CONCRETE RESIDUE IN ACCORDANCE WITH LOCAL AND
STATE SOLID WASTE REGULATIONS AND AT AN APPROVED FACILITY.
3. MANAGE WASHOUT FROM MORTAR MIXERS IN ACCORDANCE WITH THE ABOVE ITEM AND IN ADDITION
PLACE THE MIXER AND ASSOCIATED MATERIALS ON IMPERVIOUS BARRIER AND WITHIN LOT PERIMETER
SILT FENCE.
4. INSTALL TEMPORARY CONCRETE WASHOUTS PER LOCAL REQUIREMENTS, WHERE APPLICABLE. IF AN
ALTERNATE METHOD OR PRODUCT IS TO BE USED, CONTACT YOUR APPROVAL AUTHORITY FOR REVIEW
AND APPROVAL. IF LOCAL STANDARD DETAILS ARE NOT AVAILABLE, USE ONE OF THE TWO TYPES OF
TEMPORARY CONCRETE WASHOUTS PROVIDED ON THIS DETAIL.
5. DO NOT USE CONCRETE WASHOUTS FOR DEWATERING OR STORING DEFECTIVE CURB OR SIDEWALK
SECTIONS. STORMWATER ACCUMULATED WITHIN THE WASHOUT MAY NOT BE PUMPED INTO OR
DISCHARGED TO THE STORM DRAIN SYSTEM OR RECEIVING SURFACE WATERS. LIQUID WASTE MUST BE
PUMPED OUT AND REMOVED FROM PROJECT.
6. LOCATE WASHOUTS AT LEAST 50 FEET FROM STORM DRAIN INLETS AND SURFACE WATERS UNLESS IT
CAN BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE. AT A MINIMUM, INSTALL
PROTECTION OF STORM DRAIN INLET(S) CLOSEST TO THE WASHOUT WHICH COULD RECEIVE SPILLS OR
OVERFLOW.
7. LOCATE WASHOUTS IN AN EASILY ACCESSIBLE AREA, ON LEVEL GROUND AND INSTALL A STONE
ENTRANCE PAD IN FRONT OF THE WASHOUT. ADDITIONAL CONTROLS MAY BE REQUIRED BY THE
APPROVING AUTHORITY.
8. INSTALL AT LEAST ONE SIGN DIRECTING CONCRETE TRUCKS TO THE WASHOUT WITHIN THE PROJECT
LIMITS. POST SIGNAGE ON THE WASHOUT ITSELF TO IDENTIFY THIS LOCATION.
9. REMOVE LEAVINGS FROM THE WASHOUT WHEN AT APPROXIMATELY 75% CAPACITY TO LIMIT OVERFLOW
EVENTS. REPLACE THE TARP, SAND BAGS OR OTHER TEMPORARY STRUCTURAL COMPONENTS WHEN
NO LONGER FUNCTIONAL. WHEN UTILIZING ALTERNATIVE OR PROPRIETARY PRODUCTS, FOLLOW
MANUFACTURER'S INSTRUCTIONS.
10. AT THE COMPLETION OF THE CONCRETE WORK, REMOVE REMAINING LEAVINGS AND DISPOSE OF IN AN
APPROVED DISPOSAL FACILITY. FILL PIT, IF APPLICABLE, AND STABILIZE ANY DISTURBANCE CAUSED BY
REMOVAL OF WASHOUT.
� HERBICIDES, PESTICIDES AND RODENTICIDES
1. STORE AND APPLY HERBICIDES, PESTICIDES AND RODENTICIDES IN ACCORDANCE WITH LABEL
RESTRICTIONS.
2. STORE HERBICIDES, PESTICIDES AND RODENTICIDES IN THEIR ORIGINAL CONTAINERS WITH THE LABEL,
WHICH LISTS DIRECTIONS FOR USE, INGREDIENTS AND FIRST AID STEPS IN CASE OF ACCIDENTAL
POISONING.
3. DO NOT STORE HERBICIDES, PESTICIDES AND RODENTICIDES IN AREAS WHERE FLOODING IS POSSIBLE
OR WHERE THEY MAY SPILL OR LEAK INTO WELLS, STORMWATER DRAINS, GROUND WATER OR SURFACE
WATER. IF A SPILL OCCURS, CLEAN AREA IMMEDIATELY.
4. DO NOT STOCKPILE THESE MATERIALS ONSITE.
� HAZARDOUS AND TOXIC WASTE
1. CREATE DESIGNATED HAZARDOUS WASTE COLLECTION AREAS ON -SITE.
2. PLACE HAZARDOUS WASTE CONTAINERS UNDER COVER OR IN SECONDARY CONTAINMENT.
3. DO NOT STORE HAZARDOUS CHEMICALS, DRUMS OR BAGGED MATERIALS DIRECTLY ON THE GROUND.
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE:
1/22/2024
NOT TO SCALE
SHEET NUMBER
1.3

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PART III
SELF -INSPECTION, RECORDIKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
SELF -INSPECTIONS ARE REQUIRED DURING NORMAL BUSINESS HOURS IN ACCORDANCE WITH THE TABLE
BELOW. WHEN ADVERSE WEATHER OR SITE CONDITIONS WOULD CAUSE THE SAFETY OF THE INSPECTION
PERSONNEL TO BE IN JEOPARDY, THE INSPECTION MAY BE DELAYED UNTIL THE NEXT BUSINESS DAY ON
WHICH IT IS SAFE TO PERFORM THE INSPECTION. IN ADDITION, WHEN A STORM EVENT OF EQUAL TO OR
GREATER THAN 1.0 INCH OCCURS OUTSIDE OF NORMAL BUSINESS HOURS, THE SELF -INSPECTION SHALL BE
PERFORMED UPON THE COMMENCEMENT OF THE NEXT BUSINESS DAY. ANY TIME WHEN INSPECTIONS WERE
DELAYED SHALL BE NOTED IN THE INSPECTION RECORD.
FREQUENCY
(DURING NORMAL
INSPECT
BUSINESS
INSPECTION RECORDS MUST INCLUDE:
HOURS)
(1)
DAILY
DAILY RAINFALL AMOUNTS.
RAIN GUAGE
IF NO DAILY RAIN GUAGE OBSERVATIONS ARE MADE DURING
MAINTAINED IN
WEEKEND OR HOLIDAY PERIODS, AND NO INDIVIDUAL -DAY RAINFALL
GOOD
INFORMATION IS AVAILABLE, RECORD THE CUMULATIVE RAIN
WORKING
MEASUREMENT FOR THOSE UWATTENDED DAYS (AND THIS WILL
ORDER
DETERMINE IF A SITE INSPECTION IS NEEDED). DAYS ON WHICH NO
RAINFALL OCCURRED SHALL BE RECORDED AS "ZERO." THE
PERMITTEE MAY USE ANOTHER RAIN -MONITORING DEVICE
APPROVED BY THE DIVISION.
(2)
AT LEAST ONCE PER
1. IDENTIFICATION OF THE MEASURES INSPECTED,
E&SC
7 CALENDAR DAYS
2. DATE AND TIME OF THE INSPECTION,
MEASURES
AND WITHIN 24
3. NAME OF THE PERSON PERFORMING THE INSPECTION,
HOURS OF A RAIN
4. INDICATION OF WHETHER THE MEASURES WERE OPERATING
EVENT�!
PROPERLY,
1.0 INCH IN 24 HOURS
5. DESCRIPTION OF MAINTENANCE NEEDS FOR THE MEASURE,
6. DESCRIPTION, EVIDENCE, AND DATE OF CORRECTIVE ACTIONS
TAKEN.
(3)
AT LEAST ONCE PER
1. IDENTIFICATION OF THE DISCHARGE OUTFALLS INSPECTED,
STORMWATER
7 CALENDAR DAYS
2. DATE AND TIME OF THE INSPECTION,
DISCHARGE
AND WITHIN 24
3. NAME OF THE PERSON PERFORMING THE INSPECTION,
OUTFALLS
HOURS OF A RAIN
4. INDICATION OF STORMWATER POLLUTION SUCH AS OIL SHEEN,
(SDOs)
EVENT�:
FLOATING OR SUSOENDED SOLIDS OR DISCOLORATION,
1.0 INCH IN 24 HOURS
5. INDICATION OF VISIBLE SEDIMENT LEAVING THE SITE,
6. DESCRIPTION, EVIDENCE, AND DATE OF CORRECTIVE ACTIONS
TAKEN.
(4)
AT LEAST ONCE PER
IF VISIBLE SEDIMENTATION IS FOUND OUTSIDE SITE LIMITS, THEN A
PERIMETER
7 CALENDAR DAYS
RECORD OF THE FOLLOWING SHALL BE MADE:
OF SITE
AND WITHIN 24
1. ACTIONS TAKEN TO CLEAN UP OR STABILIZE THE SEDIMENT THAT
HOURS OF A RAIN
HAS LEFT THE SITE LIMITS,
EVENT�!
2. DESCRIPTION, EVIDENCE, AND DATE OF CORRECTIVE ACTIONS
1.0 INCH IN 24 HOURS
TAKEN,AND
3. AN EXPLANATION AS TO THE ACTIONS TAKEN TO CONTROL
FUTURE RELEASES.
(5)
AT LEAST ONCE PER
IF THE STREAM OR WETLAND HAS INCREASED VISIBLE
STREAMS OR
7 CALENDAR DAYS
SEDIMENTATION OR A STREAM HAS VISIBLE INCREASED TURBIDITY
WETLANDS
AND WITHIN 24
FROM THE CONSTRUCTION ACTIVITY, THEN A RECORD OF THE
ONSITE OR
HOURS OF A RAIN
FOLLOWING SHALL BE MADE-
OFFSITE
EVENT�!
1. DESCRIPTION, EVIDENCE AND DATE OF CORRECTIVE ACTIONS
(WHERE
1.0 INCH IN 24 HOURS
TAKEN,AND
ACCESSIBLE)
2. RECORDS OF THE REQUIRED REPORTS TO THE APPROPRIATE
DIVISION REGIONAL OFFICE PER PART III, SECTION C, ITEM (2)(a) OF
THIS PERMIT.
(6)
AFTER EACH PHASE
1. THE PHASE OF GRADING (INSTALLATION OF PERIMETER E&sc
GROUND
OF GRADING
MEASURES, CLEARING AND GRUBBING, INSTALLATION OF STORM
STABILIZATION
DRAINAGE FACILITIES, COMPLETION OF ALL LAND -DISTURBING
MEASURES
ACTIVITY, CONSTRUCTION OR REDEVELOPMENT, PERMANENT
GROUND COVER).
2. DOCUMENTATION THAT THE REQUIRED GROUND STABILIZATION
MEASURES HAVE BEEN PROVIDED WITHIN THE REQUIRED
TIMEFRAME OR AN ASSURANCE THAT THEY WILL BE PROVIDED AS
SOON AS POSSIBLE.
NOTE: THE RAIN INSPECTION RESETS THE REQUIRED 7 CALENDAR DAY INSPECTION REQUIREMENT.
PART III
SELF -INSPECTION, RECORDIKEEPING AND REPORTING
SECTION B: RECORDIKEEPING
1. E&SC PLAN DOCUMENTATION
THE APPROVED E&SC PLAN AS WELL AS ANY APPROVED DEVIATION SHALL BE KEPT ON THE SITE. THE
APPROVED E&SC PLAN MUST BE KEPT UP-TO-DATE THROUGHOUT THE COVERAGE UNDER THIS PERMIT.
THE FOLLOWING ITEMS PERTAINING TO THE E&SC PLAN SHALL BE KEPT ON SITE AND AVAILABLE FOR
INSPECTION AT ALL TIMES DURING NORMAL BUSINESS HOURS.
ITEM TO DOCUMENT
DOCUMENTATION REQUIREMENTS
(a) EACH E&SC MEASURE HAS BEEN INSTALLED AND
INITIAL AND DATE EACH E&SC MEASURE ON A COPY
DOES NOT SIGNIFICANTLY DEVIATE FROM THE
OF THE APPROVED E&SC PLAN OR COMPLETE, DATE
LOCATIONS, DIMENSIONS AND RELATIVE ELEVATIONS
AND SIGN AN INSPECTION REPORT THAT LISTS EACH
SHOWN ON THE APPROVED E&SC PLAN.
E&SC MEASURE SHOWN ON THE APPROVED E&SC
PLAN. THIS DOCUMENTATION IS REQUIRED UPON THE
INITIAL INSTALLATION OF THE E&SC MEASURES OR IF
THE E&SC MEASURES ARE MODIFIED AFTER INITIAL
INSTALLATION.
(b) A PHASE OF GRADING HAS BEEN COMPLETED.
INITIAL AND DATE A COPY OF THE APPROVED E&SC
PLAN OR COMPLETE, DATE AND SIGN AN INSPECTION
REPORT TO INDICATE COMPLETION OF THE
CONSTRUCTION PHASE.
(c) GROUND COVER IS LOCATED AND INSTALLED IN
INITIAL AND DATE A COPY OF THE APPROVED E&SC
ACCORDANCE WITH THE APPROVED E&SC PLAN.
PLAN OR COMPLETE, DATE AND SIGN AN INSPECTION
REPORT TO INDICATE COMPLIANCE WITH APPROVED
GROUND COVER SPECIFICATIONS.
(d) THE MAINTENANCE AND REPAIR REQUIREMENTS
COMPLETE, DATE AND SIGN AN INSPECTION REPORT.
FOR ALL E&SC MEASURES HAVE BEEN PERFORMED.
(e) CORRECTIVE ACTIONS HAVE BEEN TAKEN TO E&SC
INITIAL AND DATE A COPY OF THE APPROVED E&SC
MEASURES.
PLAN OR COMPLETE, DATE AND SIGN AN INSPECTION
REPORT TO INDICATE THE COMPLETION OF THE
CORRECTIVE ACTION.
2. ADDITIONAL DOCUMENTATION TO BE KEPT ON SITE
IN ADDITION TO THE E&SC PLAN DOCUMENTS ABOVE, THE FOLLOWING ITEMS SHALL BE KEPT ON THE SITE
AND AVAILABLE FOR INSPECTORS AT ALL TIMES DURING NORMAL BUSINESS HOURS, UNLESS THE DIVISION
PROVIDES A SITE -SPECIFIC EXEMPTION BASED ON UNIQUE SITE CONDITIONS THAT MAKE THIS
REQUIREMENT NOT PRACTICAL:
(a) THIS GENERAL PERMIT AS WELL AS THE CERTIFICATE OF COVERAGE, AFTER IT IS RECEIVED.
(b) RECORDS OF INSPECTIONS MADE DURING THE PREVIOUS TWELVE MONTHS. THE PERMITTEE SHALL
RECORD THE REQUIRED OBSERVATIONS ON THE INSPECTION RECORD FORM PROVIDED BY THE
DIVISION OR A SIMILAR INSPECTION FORM THAT INCLUDES ALL THE REQUIRED ELEMENTS. USE OF
ELECTRON ICALLY-AVAI LABLE RECORDS IN LIEU OF THE REQUIRED PAPER COPIES WILL BE ALLOWED IF
SHOWN TO PROVIDE EQUAL ACCESS AND UTILITY AS THE HARD -COPY RECORDS.
3. DOCUMENTATION TO BE RETAINED FOR THREE YEARS
ALL DATA USED TO COMPLETE THE E-NOI AND ALL INSPECTION RECORDS SHALL BE MAINTAINED FOR A
PERIOD OF THREE YEARS AFTER PROJECT COMPLETION AND MADE AVAILABLE UPON REQUEST. [40 CFR
122.411
PART 11, SECTION G, ITEM (4)
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT
SEDIMENT BASINS AND TRAPS THAT RECEIVE RUNOFF FROM DRAINAGE AREAS OF ONE ACRE OR MORE SHALL USE OUTLET STRUCTURES THAT WITHDRAW WATER FROM THE SURFACE WHEN THESE DEVICES NEED TO BE
DRAWN DOWN FOR MAINTENANCE OR CLOSE OUT UNLESS THIS IS INFEASIBLE. THE CIRCUMSTANCES IN WHICH IT IS NOT FEASIBLE TO WITHDRAW WATER FROM THE SURFACE SHALL BE RARE (FOR EXAMPLE, TIMES WITH
EXTENDED COLD WEATHER). NON -SURFACE WITHDRAWALS FROM SEDIMENT BASINS SHALL BE ALLOWED ONLY WHEN ALL OF THE FOLLOWING CRITERIA HAVE BEEN MET:
(a) THE E&SC PLAN AUTHORITY HAS BEEN PROVIDED WITH DOCUMENTATION OF THE NON -SURFACE WITHDRAWAL AND THE SPECIFIC TIME PERIODS OR CONDITIONS IN WHICH IT WILL OCCUR. THE NON -SURFACE
WITHDRAWAL SHALL NOT COMMENCE UNTIL THE E&SC PLAN AUTHORITY HAS APPROVED THESE ITEMS,
(b) THE NON -SURFACE WITHDRAWAL HAS BEEN REPORTED AS AN ANTICIPATED BYPASS IN ACCORDANCE WITH PART 111, SECTION C, ITEM (2)(C) AND (D) OF THIS PERMIT,
(c) DEWATERING DISCHARGES ARE TREATED WITH CONTROLS TO MINIMIZE DISCHARGES OF POLLUTANTS FROM STORMWATER THAT IS REMOVED FROM THE SEDIMENT BASIN. EXAMPLES OF APPROPRIATE CONTROLS
INCLUDE PROPERLY SITED, DESIGNED AND MAINTAINED DEWATERING TANKS, WEIR TANKS, AND FILTRATION SYSTEMS,
(d) VEGETATED, UPLAND AREAS OF THE SITES OR A PROPERLY DESIGNED STONE PAD IS USED TO THE EXTENT FEASIBLE AT THE OUTLET OF THE DEWATERING TREATMENT DEVICES DESCRIBED IN ITEM (C) ABOVE,
(e) VELOCITY DISSIPATION DEVICES SUCH AS CHECK DAMS, SEDIMENT TRAPS, AND RIPRAP ARE PROVIDED AT THE DISCHARGE POINTS OF ALL DEWATERING DEVICES, AND
(f) SEDIMENT REMOVED FROM THE DEWATERING TREATMENT DEVICES DESCRIBED IN ITEM (C) ABOVE IS DISPOSED OF IN A MANNER THAT DOES NOT CAUSE DEPOSITION OF SEDIMENT INTO WATERS OF THE UNITED STATES.
PART III
SELF -INSPECTION, RECORDIKEEPING AND REPORTING
SECTION C: REPORTING
1. OCCURRENCES THAT MUST BE REPORTED
PERMITTEES SHALL REPORT THE FOLLOWING OCCURRENCES:
(a) VISIBLE SEDIMENT DEPOSITION IN A STREAM OR WETLAND.
(b) OIL SPILLS IF:
• THEY ARE 25 GALLONS OR MORE,
• THEY ARE LESS THAN 25 GALLONS BUT CANNOT BE CLEANED UP WITHIN 24 HOURS,
• THEY CAUSE SHEEN ON SURFACE WATERS (REGARDLESS OF VOLUME), OR
• THEY ARE WITHIN 100 FEET OF SURFACE WATERS (REGARDLESS OF VOLUME).
(C) RELEASES OF HAZARDOUS SUBSTANCES IN EXCESS OF REPORTABLE QUANTITIES UNDER SECTION 311
OF THE CLEAN WATER ACT (REF- 40 CFR 110.3 AND 40 CFR 117.3) OR SECTION 102 OF CERCLA (REF- 40
CFR 302.4) OR G.S. 143-215.85.
(d) ANTICIPATED BYPASSES AND UNANTICIPATED BYPASSES.
(e) NONCOMPLIANCE WITH THE CONDITIONS OF THIS PERMIT THAT MAY ENDANGER HEALTH OR THE
ENVIRONMENT.
2. REPORTING TIMEFRAMES AND OTHER REQUIREMENTS
AFTER A PERMITTEE BECOMES AWARE OF AN OCCURRENCE THAT MUST BE REPORTED, HE SHALL CONTACT
THE APPROPRIATE DIVISION REGIONAL OFFICE WITHIN THE TIMEFRAMES AND IN ACCORDANCE WITH THE
OTHER REQUIREMENTS LISTED BELOW. OCCURRENCES OUTSIDE NORMAL BUSINESS HOURS MAY ALSO BE
REPORTED TO THE DEPARTMENT'S ENVIRONMENTAL EMERGENCY CENTER PERSONNEL AT [phone].
REPORTING TIMEFRAMES (AFTER DISCOVERY) AND OTHER
OCCURRENCE
REQUIREMENTS
(a) VISIBLE SEDIMENT
9 WITHIN 24 HOURS, AN ORAL OR ELECTRONIC NOTIFICATION.
DEPOSITION IN A STREAM
o WITHIN 7 CALENDAR DAYS, A REPORT THAT CONTAINS A DESCRIPTION OF THE
OR WETLAND
SEDIMENT AND ACTIONS TAKEN TO ADDRESS THE CAUSE OF THE DEPOSITION.
DIVISION STAFF MAY WAIVE THE REQUIREMENT FOR A WRITTEN REPORT ON A
CASE -BY -CASE BASIS.
9 IF THE STREAM IS NAMED ON THE NC 303(d) LIST AS IMPAIRED FOR
SEDIMENT -RELATED CAUSES, THE PERMITTEE MAY BE REQUIRED TO PERFORM
ADDITIONAL MONITORING, INSPECTIONS OR APPLY MORE STRINGENT
PRACTICES IF STAFF DETERMINE THAT ADDITIONAL REQUIREMENTS ARE
NEEDED TO ASSURE COMPLIANCE WITH THE FEDERAL OR STATE
IMPAIRED -WATERS CONDITIONS.
(b) OIL SPILLS AND
o WITHIN 24 HOURS, AN ORAL OR ELECTRONIC NOTIFICATION. THE NOTIFICATION
RELEASE OF HAZARDOUS
SHALL INCLUDE INFORMATION ABOUT THE DATE, TIME, NATURE, VOLUME AND
SUBSTANCES PER ITEM
LOCATION OF THE SPILL OR RELEASE.
1 (b)-(c) ABOVE
(c) ANTICIPATED
o A REPORTATLEAST TEN DAYS BEFORE THE DATE OF THE BYPASS, IF
BYPASSES [40 CFR
POSSIBLE.
122.41 (m)(3)]
THE REPORT SHALL INCLUDE AN EVALUATION OF THE ANTICIPATED QUALITY
AND EFFECT OF THE BYPASS.
(d) UNANTICIPATED
o WITHIN 24 HOURS, AN ORAL OR ELECTRONIC NOTIFICATION.
BYPASSES [40 CFR
9 WITHIN 7 CALENDAR DAYS, A REPORT THAT INCLUDES AN EVALUATION OF THE
122.41 (m)(3)]
QUALITY AND EFFECT OF THE BYPASS.
(e) NONCOMPLIANCE WITH
9 WITHIN 24 HOURS, AN ORAL OR ELECTRONIC NOTIFICATION.
THE CONDITIONS OF THIS
o WITHIN 7 CALENDAR DAYS, A REPORT THAT CONTAINS A DESCRIPTION OF THE
PERMIT THAT MAY
NONCOMPLIANCE, AND ITS CAUSES; THE PERIOD OF NONCOMPLIANCE,
ENDANGER HEALTH OR
INCLUDING EXACT DATES AND TIMES, AND IF THE NONCOMPLIANCE HAS NOT
THE ENVIRONMENT [40
BEEN CORRECTED, THE ANTICIPATED TIME NONCOMPLIANCE IS EXPECTED TO
CFR 122.41(10(7)]
CONTINUE; AND STEPS TAKEN OR PLANNED TO REDUCE, ELIMINATE, AND
PREVENT REOCCURRENCE OF THE NONCOMPLIANCE. [40 CFR 122.41(l)(6).
o DIVISION STAFF MAY WAIVE THE REQUIREMENT FOR A WRITTEN REPORT ON A
CASE -BY -CASE BASIS.
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ASHEVILLE, NC 28805
DATE:
1/22/2024
NOT TO SCALE
SHEET NUMBER
1.4

LEGEND
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DESIGN STREAM CENTERLINE
DESIGN BANKFULL
DESIGN MAJOR CONTOUR
DESIGN MINOR CONTOUR
DESIGN FLOODPLAIN TOE
EXISTING STREAM CENTERLINE
EXISTING TOP OF BANK
BL,
EXISTING BOTTOM OF BANK
EXISTING MAJOR CONTOUR
- - - - - -
- - - EXISTING MINOR CONTOUR
EXISTING WETLAND
PROPERTY LINE
- - - - -
- - RIGHT OF WAY
ROAD & PATH EDGE
ELECTRIC UTILITY LINES
SAN —
SANITARY SEWER LINE
SANITARY SEWER STRUCTURE
FWAY—
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_100YR—
100 YR. FEMA FLOODPLAIN
500 YR
500 YR. FEMA FLOODPLAIN
TOPOGRAPHIC SURVEY LIMITS
TYPICAL SECTIONS
'7
STRUCTURE LEGEND
DESIGN CONSTRUCTED RIFFLE
DESIGN TOE WOOD
DESIGN LOG VANE
DESIGN LOG J-HOOK VANE
DESIGN BOULDER J-HOOK
171 ff'-j I �r=-j I �r=-j I �l DESIGN CHANNEL PLUG
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DESIGN BRIDGE CROSSING
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BKF WSE
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PROPOSED
GRADE DMAX-IB
TYPICAL RIFFLE CROSS SECTION
FLOODPLAIN (TYP
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PROFILE LEGEND
DESIGN STREAM THALWEG
DESIGN BANKFULL
EXISTING GROUND
BOULDER STRUCTURE
TIE TO EXISTING
WBKF PER GRADING PLAN
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DMAX BERM FLOODPLA
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10.0
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2.1
DMAMB (FT)
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SHEET(S)
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2. INSTALL STREAM RESTORATION STRUCTURES IN PROPOSED CHANNEL TO
THE ELEVATIONS AND GRADES SHOWN ON THE PLAN, PROFILE AND DETAILS.
RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY
BE REQUIRED FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND
SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.
3. INSTALL EROSION CONTROL MATTING ON ALL GRADED OR DISTURBED
STREAMBANKS.
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ASHEVILLE, NC 28805
DATE:
1/22/2024
NOT TO SCALE
TYPICAL POOL CROSS SECTION
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SHEET NUMBER
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 if = 30'
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ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 if = 30'
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SHEET NUMBER
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----------
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2. DISTURBANCE OF WETLANDS,
TREES, AND/OR WOODY VEGETATION
SHALL BE KEPT TO MINIMUM EXTENT
PRACTICAL TO COMPLETE WORK.
3. RESTORE ACCESS PATHS AND
STORAGE AREA(S) TO ORIGINAL
jalls. CONDITION UPON COMPLETION OF
Mw
a A, THE PROJECT OR UPON SUCH TIME
AS DIRECTED BY THE PROJECT
Itj!E�
OEM—
4A�a I
AM k
-­N
OWNER AND ENGINEER.
41"Y 1 10, ­-Z",
4. ON -SITE ROCK MATERIAL MAY BE C)
Iva
C)
REUSED FOR STRUCTURES, AT THE +
z
00
DIRECTION OF THE ENGINEER. Ir-
5. CONSTRUCTED RIFFLE CAN BE < CD
(D
REPLACED WITH WOODY RIFFLE OR 0 (D 3: z + 0
�- D �- — N Z)
ENHANCED HABITAT RIFFLE, AT THE C/) < 0� �: -r-- ()�
yj �- 0 < < I—
APPROVAL OF THE ENGINEER. < c/)
munissit, C) z
sm.111 a 0
gas Uj
0 SOON LIJ I
annual Sun ME 6. TOE WOOD TO EXTEND 10'INTO — Uj C)
Samoa ISO Viggo Sasso z
I LIJ
mi, asset's asses:ggle I
Uj
gus
Uj 0
DOWNSTREAM RIFFLE BANK. TOE
.--*unsung" Uj
somes�al i.1-i IS!; alsolik Uj
.141
as Sol Sassoula U-
a
a WOOD CAN BE REPLACED WITH z
stiostis onsici�
unsung
a is a_
won 0 U— z
is
SON
ME isitsoll I M ROCK TOE AT THE APPROVAL OF
a., L IN-WIS
5 - 1 � a Z 0 0
SOON
a low Samoan
THE ENGINEER. Z
< Z
ON— I MINIMUM ;*wool me
a 0-SI.R. a __-_-as
ON 1��
as
sams"I ME -
I'll" ,SON;
an nwasm: aw
7. FLOODPLAIN DEPRESSIONS TO NOT
EXCEED 18" BELOW BANKFULL
ELEVATION. LOCATION SUBJECT TO
CHANGE AT THE DIRECTION OF THE
ENGINEER.
3105
3100
3095
3090
3085
12+00 13+00 14+00 15+00
PR HARDIN CREEK - SCALE: HOR 1 " = 30'; VERT 1 " = 3'
16+00
17+00
3105
3100
3095
3090
3085
18+00
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 if = 30'
SCALE (17"X11"): 111=60'
0 30 60
SCALE IN FEET
SHEET NUMBER
2.4
NOT TO
SCALE

. .... CONNECT STORMWATER OUTFALLS
v i riv-
TO HARDIN CREEK. TYP 3'BOTTOM
A -;-
WITH 3:1 SIDE SLOPES
71
Z)
�0' '0'
-mv
Iwo
N
\
io
Ur
'A
FWA y-,
Q-1 F� _%__
" I '�T- -- -" 11 , '�" , I � ___ - , a.- q7q�-ft_�m — I
WA �&Z
AWL
A"
N,
0:007
OmmmmofforA
ON immmoommomw4l"Now
ON
smomommoomm, INS
Smommmirman M
0
ONES
ON I no ON SO
ENE
SEEM
Ommummal
--- No
SOME
10001 MOM
00
No
IS
No
No
ME
IS I
Mom Now
SOMEONE
111111MUM:
11UH: ii
MUN ON ON
,'MENEM
IONIC'S so
mumom
I SOON
0 mom
so
. I i .0.0.0.0.0 So
NOTES: � a_
2
0
1. CONTRACTOR TO IDENTIFY AND
PROTECT EX. UTILITIES. z
ct
0
2. DISTURBANCE OF WETLANDS, ED
0 Z
TREES, AND/OR WOODY VEGETATION 0
SHALL BE KEPT TO MINIMUM EXTENT
PRACTICAL TO COMPLETE WORK.
MAY
77�
4a j�o il'-i ------ )j
3
11, ""Ir4vt% I ;T
f I A
—T
p ct) 01
01
Je ol
"W'
IL
o"r Airlso'N"?,
L
, i I X-
PAO
Nook
MR.
-T-1 I > " 'u
't.wN, 'v�
'A�
'40
-xw- % '00
04
7
C)
A�f
C) F
CD
0
04 4.
PPT 0)
WAY
C> Fp r
m
00'',
+rrt-
N 2�1
ii TTI I 1 7' ------- -- - tit - i ,-,a
m 1\ FPT
00 -oo�
FPT
m
m fttftL 5.
0 FWAY \N
_Rffi
0 or
-i __�_ TYP. LOG VANE w"w
TYP. LOG
7 'I,—
o—
J-HOOK VANE
locs
TYP. TOE WOOD
6.
Mae
Lu
TYP. CONSTRUCTED RIFFLE 100YR
----- --------------------
1
500YR
TYP. CHANNEL PLUG
5
0
w
U)
U)
0�
r
z
r
U)
500yR
18+00 19+00 20+00 21+00 22+00 23+00 24+00
3100
3095
3090
3085
mm
18+00 19+00 20+00 21+00
PR HARDIN CREEK — SCALE: HOR 1 30'; VERT 1 3'
22+00
23+00
3100
3095
3090
3085
mm
24+00
RESTORE ACCESS PATHS AND
STORAGE AREA(S) TO ORIGINAL
CONDITION UPON COMPLETION OF
THE PROJECT OR UPON SUCH TIME
AS DIRECTED BY THE PROJECT
OWNER AND ENGINEER.
ON —SITE ROCK MATERIAL MAY BE
REUSED FOR STRUCTURES, AT THE
DIRECTION OF THE ENGINEER.
CONSTRUCTED RIFFLE CAN BE
REPLACED WITH WOODY RIFFLE OR
ENHANCED HABITAT RIFFLE, AT THE
APPROVAL OF THE ENGINEER.
TOE WOOD TO EXTEND 10'INTO
DOWNSTREAM RIFFLE BANK. TOE
WOOD CAN BE REPLACED WITH
ROCK TOE, AT THE APPROVAL OF
THE ENGINEER.
7. FLOODPLAIN DEPRESSIONS TO NOT
EXCEED 18" BELOW BANKFULL
ELEVATION. LOCATION SUBJECT TO
CHANGE AT THE DIRECTION OF THE
ENGINEER.
<
z
-:]
+
I-
Z
Z
N
0
D
0
0
0
z
�z
<
0
1—
0
<
(D
C)
C)
0
(D
D
3:
�_
z
+
00
C/)
<
0�
�:
V--
yj
�-
<
0
<
0�
<
F---
ct)
�:
Z
-
o
z
uj
uj
0
C)
LIJ
UJ
z
0
uj
O�
0
ui
o
co
a_
U-
u-
z
I_
Z
0
0
<
Z
Z
3:
�:
<
<
0
a_
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 if = 30'
SCALE (17"X11"): 111=60'
0 30 60
SCALE IN FEET
SHEET NUMBER
2.5
NOT TO
SCALE

61 " %T � \\ %..,, 1,�� \ t I I
4;1 i� 'a I i —_ I
j Af .,I JA,,
%
klt %
f 14.F
y 1
N',\ i"i f
A, i 104 1,
K I
v
4—
z5—
f j
\17
r
—A
IF
If
v r$
X/
tP,
te j /f
Al
f
f
0 — — — — — — — —
—T -<zz
e-11
SAN SAN Z
7SA N SAN SAN
�J"',j'\ L SAN
S SAN
c7WAY
T FWAY F-WAY
v
lot
FPT FPT
7
It
C.)
_7�7
9_7
Z5
X,
cv)
(3085)
r
*,\\"",x", x 00
C)
co TIE OUT TO SOUTH
_TIOB co
cv)
FORK NEW RIVER
��l
C)
'7�
C)
"All
25+00
C)
04
GRADE BANKS 4:1
C4
N IN
m DOWNSTREAM OF
D
SEWER CROSSING
PT FP-r
cu
_0 T - ------
c My
Fp-Tr
MIX OF NCDOT CLASS 1
L /1 O'a FWAy
& CLASS B ROCK TO
w
0
BE PACKED AROUND
r-rx OrMuk0c PIERS IN CHANNEL
SEE SHEET 2.7 TYP. CONSTRUCTED RIFFLE
_ZF
4 --1 BOULDER J-HOOK. CHANNEL
-10
1211� TYP. LOG J-HOOK VANE
BED ON RIGHT SIDE TO BE
0 HIGHER THAN LEFT.
.5
10 TYP. TOE WOOD co
TYP. CHANNEL PLUG m I
Lu
co
w
00
00
�q
0')
,It
04
CD
04
cli
04
Ll
m
m
5
0
w
co
cn
0�
r
z
r
co
24+00
3095 -r
3090
a".0
3075
24+00
25+00
25+00
26+00
26+00
27+00
PR HARDIN CREEK - SCALE: HOR 1 " = 30'; VERT 1 " = 3'
28+00
29 50
- 3095
3090
SANITARY SEWER LINE
SUSPENDED OVER CHANNEL
/_Zl_rvv
3085
mm
3075
29+50
NOTES:
1. CONTRACTOR TO IDENTIFY AND
PROTECT EX. UTILITIES.
ct
0
2.
DISTURBANCE OF WETLANDS,
TREES, AND/OR WOODY VEGETATION
ED
Z
0
SHALL BE KEPT TO MINIMUM EXTENT
PRACTICAL TO COMPLETE WORK.
3.
RESTORE ACCESS PATHS AND
STORAGE AREA(S) TO ORIGINAL
CONDITION UPON COMPLETION OF
uj
0
THE PROJECT OR UPON SUCH TIME
0-
AS DIRECTED BY THE PROJECT
OWNER AND ENGINEER.
4.
ON -SITE ROCK MATERIAL MAY BE
REUSED FOR STRUCTURES, AT THE
z
co
+
DIRECTION OF THE ENGINEER.
Z
Z
_j
m
N
D
u
0
z
5.
CONSTRUCTED RIFFLE CAN BE
Z
F
<
1­0
C)
REPLACED WITH WOODY RIFFLE OR
0�
0
<
(D
3:
(D
Z
C)
+
ENHANCED HABITAT RIFFLE, AT THE
�_
C/)
D
<
�_
0�
APPROVAL OF THE ENGINEER.
yj
�-
<
0
<
0�
<
F---
c/)
�:
-
C)
U)
z
0
6.
TOE WOOD TO EXTEND 10'INTO
uj
uj
uj
Z
y
uj
C)
DOWNSTREAM RIFFLE BANK. TOE
0
w
0�
O�
WOOD CAN BE REPLACED WITH
z
0
00
w
0
0
u-
ROCK TOE, AT THE APPROVAL OF
0
u-
0
z
I_
0
THE ENGINEER.
<
Z
z
Z
�:
<
7.
FLOODPLAIN DEPRESSIONS TO NOT
0
EXCEED 18" BELOW BANKFULL
ELEVATION. LOCATION SUBJECT TO
CHANGE AT THE DIRECTION OF THE
ENGINEER.
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): 1 if = 30'
SCALE (17"Xll"): 111=60'
0 30 60
SCALE IN FEET
SHEET NUMBER
2.6
NOT TO
SCALE

— _/,/ / - -r -�- K�
r1l
C,
rl
co
/ 1"e
tl
—j LL
0
AV
AV co
r
LENGTH OF BRIDGE TO BE
r
APPROXIMATELY 60'. ELEVATION
0 D Col( 0 DETERMINED.
�g
c�
c\1
C) A
C—�
c\1
cu
cu
0
FPT
W
F-
0
Z., /,
001�
w TOB
—J
<
C)
w
CC)
�i
co
�q
0)
It
C14
C)
C14
04
CN
L,
cu
cu
2
0
w
U)
r
z
U)
m � � 0§;
070
g
- FIR
0+00
3095 �--
al m*e
APPROXIMATE TRAIL ELEVA-r
a ";
(n Lo
c�
< r--
Lu co
0� CD
00 m
w 11
0 >
<w
0� _j
(D�Lu
LL
0
N,
Z)
MIAP
\V11/\
*1115/-/�
-9,1--
NOTES:
1. BRIDGE TYPE AND MANUFACTURER
TO BE DETERMINED.
Lu
Lu
4u
PR HARDIN CREEK. L41
SEE SHEET 2.6
Lu
r
tp-
0
PL
0 <-
-- --------
1+25---
+00
4t�
THE GREENWAY TRAIL BRIDGE.
J// LLJ
4`1
tl
LLJ
Lu
Lu
J-
Lu
-1- 14
LLJ
Lu
L
41j
LLJ
.40 Lu
Lu
o,� ,000,- bi
1+100 —j+p3095
co
co
y
co
Lu
ry
(D
0�
r--
co
CD
m
w
—i
w
3090
3085
:1ROXIMATE BRIDGE PIER LOCATIONS.
RS TO SPAN BANKFULL CHANNEL
0
FOOTING DEPTH TO FOLLOW
MANUFACTURERS SPECIFICATIONS.
! I ! I ! I ! I ! I ! I ! I !
co
Z
0
co
0-
0 R 1 !
Lu
U)
LLJ W
Q
Lu
0
0� >
CL w
IL
z
Z Z -:]
0 D 0
�z 0 0�
< c) <
0� < C)
0 (D
C/) <
Lu 0
< Z
LL, z
LLJ Z
LLJ 0
1 0
z 13� co
C) LL
Z 0
< z
< 0
! I ! I ! I ! I ! I !
! I ! I ! I ! I ! I !
(D
z
0
12� Z
C) 0
LU
(D
—j ct)
Z
0
o
Lu < LL
a- 3: 1--
Z o
Lu
Lu z
12�
(D
Lu
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): ill = 20'
SCALE (1 7"X1 1 "): ill = 40'
0 20 40
SCALE IN FEET
GREENWAY TRAIL CROSSING - SCALE: HOR 1 " = 20'; VERT 1 " = 2v
SHEET NUMBER
2.7

PR HARDIN CREEK STA 0+00 VE: 2
3130
3125
3120
3115
3110
qlr)rl
-60 -40 -20 0 20 40 60 80 10(
PR HARDIN CREEK STA 3+00 VE: 2
3130
3125
3120
Lo
3115
3110
c\1
C)
c\1 3105
c\1
04
Q1nn
C7
-80 -60 -40 -20 0 20 40 60 80 100 12(
cu
3130
3125
3120
3115
3110
3105
6
w
F- PR HARDIN CREEK STA 6+00 VE: 2
0 3120
3115
3110
uj 3105
3100
inar,
— F
(D 1 -100 -80 -60 -40 -20 0 20 40 6C
w
co
�q
0')
It
c\1 PR HARDIN CREEK STA 9+00 VE: 2
C)
c\1 3120,
04
CN
L, 3115
cu
3110
cu
>1
3105
0
3100
w 3095
U)
3120
3115
3110
3105
3100
3095
3135
3130
3125
3120
3115
3110
3105
3100
-220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 8C
r
PR HARDIN CREEK STA 12+00 VE: 2
1 Zu
01 10
3110
3105
3100
04
3095
-120 -100 -80 -60 -40 -20 0 20 40 6C
3120
3115
3110
3105
3100
3095
3090
PR HARDIN CREEK STA 15+00 VE: 2
3120
3115
3110
3105
3100
3095
3090
3085
120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
3120
3115
3110
3105
3100
3095
3090
3085
PR HARDIN CREEK STA 1+50 VE: 2
3130
3125
3120
3115
3110
Qlr)rl
3130
3125
3120
3115
3110
3105
-100 -80 -60 -40 -20 0 20 40 60 80 10(
PR HARDIN CREEK STA 4+50 VE: 2
3130
3125
3120
3115
3110
3105
q1nn1
-80 -60 -40 -20 0 20 40 6C
PR HARDIN CREEK STA 7+50 VE: 2
3125
3120
3115
3110
3105
3100
Qnar,
15 1 ZZ)
3120
3120
3115
3115
3110
3110
3105
3105
3100
3100
3095
3095
3130
3125
3120
3115
3110
3105
3100
-160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80
PR HARDIN CREEK STA 10+50 VE: 2
.
.
. . .
...
. . .
...
...
. . .
..
...
.
3125
3120
3115
3110
3105
3100
3095
-200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 8C
PR HARDIN CREEK STA 13+50 VE: 2
3115
3110
3105
3100
3095
3090
-120 -100 -80 -60 -40 -20 0 20 40 60 8C
3115
3110
3105
3100
3095
3090
3085
PR HARDIN CREEK STA 16+50 VE: 2
3115
3110
3105
3100
3095
3090
3085
140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
3115
3110
3105
3100
3095
3090
3085
3125
3120
3115
3110
3105
3100
3095
3090
SECTION LEGEND
DESIGN SURFACE
EXISTING GROUND
0
UJ
U)
W
a-
IL
w
z
Z
Z
_j
0
D
0
0
0�
z
�z
<
c)
<
0
0�
<
C)
(D
0
(D
3:
z
co
<
Lu
Lu
<
0
<
ryo
5;
cf)
3:
Z
-
o
z
z
0
LLJ
W
LLJ
z
LD
C)
LLJ
0
O�
1
0
LLJ
Lu
0
z
13�
co
U)
LL
C)
LL
0
I--
0
Z
z
<
C)
<
0
r
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): ill = 30'
SCALE (1 7"X1 1 "): ill = 60'
0 30 60
SCALE IN FEET
SHEET NUMBER
3.1

PR HARDIN CREEK STA 18+00 VE: 2
0I lu
3105
3100
3095
3090
3085
,�npn
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
PR HARDIN CREEK STA 21+00 VE: 2
3105
3100
9
3095
3090
c\1
C)
c\1 3085
04
CN
3080
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
cu
PR HARDIN CREEK STA 24+00 VE: 2
3105
w
F-
0 3100
3095
3090
uj 3085
3080
w qn7r,
(D 1 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 8C
w
co
�q
0')
It PR HARDIN CREEK STA 27+00 VE: 2
c\1
C) 3095
c\1
04
CN 3090
L,
cu
3085
cu
3080
0 3075
2
3105
3100
3095
3090
3085
3080
3105
3100
3095
3090
3085
3080
3075
3110
3105
3100
3095
3090
3085
3080
0 30701 1 1 1 1
w
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 14(
U)
r
PR HARDIN CREEK STA 19+50 VE: 2
3105
3100
3095
3090
3085
,�npn
-100 -80 -60 -40 -20 0 20 40 60 80 100 12(
PR HARDIN CREEK STA 22+50 VE: 2
3105
3100
3095
3090
3085
3080
,�n7F,
3105
3100
3095
3090
3085
3080
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 10(
PR HARDIN CREEK STA 25+50 VE: 2
,)UZJZ)
3090
3085
3080
3075
,�n70
15 1 uu
3095
3095
3090
3090
3085
3085
3080
3080
3075
3075
11)70
'�070
3105
3100
3095
3090
3085
3080
3075
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
PR HARDIN CREEK STA 28+50 VE: 2
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 12(
3095
3090
3085
3080
3075
3070
3100
3095
3090
3085
3080
3075
3070
SECTION LEGEND
DESIGN SURFACE
EXISTING GROUND
0
UJ
W
0
Q�
a-
IL
w
z
Z
Z
_j
0
D
0
0
0�
z
�z
<
c)
<
0
0�
<
C)
(D
0
(D
3:
z
co
<
Lu
Lu
<
0
<
0�
>
cf)
3:
Z
-
o
z
z
0
LLJ
LLJ
LLJ
Z
LD
C)
LLJ
0
O�
1
0
LLJ
Lu
0
z
13�
co
U)
LL
C)
LL
0
I--
0
Z
z
<
C)
<
0
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): ill = 30'
SCALE (1 7"X1 1 "): ill = 60'
0 30 60
SCALE IN FEET
SHEET NUMBER
3.2

C)
C)
04
C)
CN
C4
CN
-0
C
uj
U)
w
co
04
C)
N
04
04
- cu 3
5
0
w
U)
C/)
0�
r
0
w
0
75
w
U)
U)
LIVE STAKES AND BAREROOT
PLANTINGS PER RE -VEGETATION
PLAN, DETAILS, AND SCHEDULES
A
OFFSET ROWS OF LIVE STAKES AND —
BAREROOT PLANTINGS PER
RE -VEGETATION PLAN AND DETAILS
0
TOE OF SLOPE
0
0
b
cl�
MIN. 8.0'
u
z
<
Z -J
Lu
U)
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GRADE AT 10-1
INSTALL EROSION
CONTROL MATTING ON ALL
DISTURBED STREAM BANKS
DETAILED PLAN
NOT TO SCALE
DETAILED PLAN
NOT TO SCALE
9
INSTALL EROSION CONTROL
MATTING OR LIVE TRANSPLANTS AS
DIRECTED BY THE ENGINEER ON
ALL DISTURBED STREAMBANKS.
BLEND GRADING TO
EXISTING GROUND AT 10-1
SLOPE (OR FLATTER)
EXISTING 10-1 -----
GRADE
PREPARE THE SOIL SURFACE BY
LOW FLOW WSEL LOOSENING 2 - 4" OF SOIL. IF
RIVER BANK MATERIAL IS NOT
SUITABLE FOR RE -VEGETATION
EXISTING
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CHANNEL AND PLANTING, INSTALL LIVE
TRANSPLANTS AS DIRECTED BY
THE ENGINEER ONSITE.
GRADE EXISTING STREAMBANK
FROM EXISTING LOW FLOW
WATER SURFACE AT 3:1
DETAILED SECTION A - AV
NOT TO SCALE
STREAMBANK GRADING_
EROSION CONTROL MATTING
I 10 10 121 :91111 -.121 V LTA I
SECURE MATTING WITH 6" OVERLAP AND
DOUBLED ECO-STAKES, OR A SINGULAR 2'LONG
2" x 2" WOOD STAKES WITH 3" GALVANIZED
ROOFING NAIL AT THE TOP TO SECURE MATTING
BANKFULLSTAGE
/m/M/M/wm
EXISTING GROUND
ECO-STAKE MIN 12" LENGTH, OR 2'LONG 2" x 2"
WOOD STAKES WITH 3" GALVANIZED ROOFING
NAIL AT THE TOP TO SECURE MATTING.
KEY IN MATTING WITH STAKES
OR BY TUCKING UNDERNEATH
RIFFLE SUBSTRATE.
DETAILED SECTION A - AV
NOT TO SCALE
VERTICAL OVERLAP MIN. 6" WITH
DOUBLE ECO-STAKES OR A SINGULAR
2'LONG 2" x 2" WOOD STAKES.
EDGE OVERLAP
MIN. 6" WITH DOUBLE
ECO-STAKES AT 2'O.C.
OR 2'LONG 2" x 2"
WOOD STAKES.
DETAILED STAKING PLAN
NOT TO SCALE
BANKFULLSTAGE
EROSION CONTROL
MATTING
3INGLE 12" ECO-STAKES
DFFSET ROWS AT
?1_31 O.C.
EROSION CONTROL MATTING
STREAMBANK GRADING SPECIFICATIONS
1. ALL BANK GRADING WORK SHALL TAKE PLACE DURING DRY WORKING CONDITIONS. THE CONTRACT
SHALL MINIMUZE THE EXPORT OF SEDIMENT TO ADJACENT SURFACE WATERS TO THE MAXIM
EXTENT PRACTICABLE BY USING ADDITIONAL EROSION AND SEDIMENTATION CONTROL MEASURES
NEEDED OR AS DIRECTED BY THE ENGINEER ONSITE.
2. FOR IMPLEMENTATION, THE CONTRACTOR SHALL GRADE THE RIVER BANK FROM THE EXISTING I
OF SLOPE AT 3:1 TRANSITIONING TO A 10:1 SLOPE (OR FLATTER) TO THE ELEVATIONS AND GRAE
MATCHING THE SURROUNDING AREA. ALL EXCAVATED MATERIAL SHALL BE HAULED AND PLACEE
DESIGNATED AREAS ONSITE.
3. IF STREAMBANK MATERIAL IS NOT SUITABLE FOR PLANTING AND RE -VEGETATION, INSTALL L
TRANSPLANTS AS DIRECTED BY THE ENGINEER ONSITE.
4. TRANSPLANTS AVAILABLE ONSITE MAY BE INSTALLED IN THE TOPSOIL AS DIRECTED BY THE ENGINE
ONSITE.
5. THE SURFACE OF THIS FEATURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON I
DRAWINGS.
6. STABILIZATION OF THE WORK AREA WITH TEMPORARY AND PERMANENT SEEDING AND MULCHINC
REQUIRED FOLLOWING GRADING OF THE STREAMBANK. INSTALL WOODY PLANTING AND VEGETAT
AS SHOWN ON THE APPROVED RE -VEGETATION PLAN.
EROSION CONTROL MATTING SPECIFICATIONS
1. EROSION CONTROL MATTING IS USED TO PROTECT RECENTLY CONSTRUCTED STREAM BANKS FF
EROSION. THE MATTING WILL REMAIN INTACT WHILE THE BANK AND RIPARIAN VEGETATION MATUF
PROVIDING CRITICAL BANK PROTECTION.
2. STREAM BANK EROSION CONTROL MATTING MATERIAL SPECIFICATIONS:
2.1. MACHINE DIRECTION TENSILE STRENGTH: 77 LB/IN
2.2. CROSS MATCH DIRECTION TENSILE STRENGTH: 86 LB/IN
2.3. APPARENT OPENING SIZE: 0.59" x 0.67"
2.4. PERCENT OPENING: 49%
2.5. MASS: 700 G/M2
3. BEFORE INSTALLING EROSION CONTROL MATTING, RAKE SOIL LEVEL, ADD TEMPORARY
PERMANENT SEED, SOIL PREPARATION AND MULCH.
4. EROSION CONTROL MATTING SHALL BE PLACED ALONG THE LENGTH OF THE NEW CHANNEL FF
THE TOE OF SLOPE AT THE INNER BERM TO THE BANKFULL STAGE.
5. SECURE MATTING IN PLACE BY STAKING AND OVERLAPPING AT THE SEEMS WITH A SHINGLE-T
METHOD SUCH THAT THE OVERLAPPING PIECE IS IN THE SAME DIRECTION AS THE STREAM FLO\A
SHOWN IN THE DETAIL. ADDITIONAL STAKING SHALL BE APPLIED BY THE CONTRACTOR AT
ADDITIONAL COST IF THE MATTING SEPARATES FROM THE SOIL MORE THAN ONE INCH UNDE
REASONABLE PULL.
6. EROSION CONTROL MATTING USED ON ALL STREAM BANKS SHALL BE MADE OF 100% NATURAL FIB
AND MATERIALS AND BE BIODEGRADABLE UNDER NORMAL CLIMATE CONDITIONS. EROSION CONT
MATTING CONTAINING PLASTICS OR PLASTIC BASED MATERIALS SHALL NOT BE USED.
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DATE: 1/22/2024
NOT TO SCALE
SHEET NUMBER
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GLIDE MIN. Y3 WBKF
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PER PLAN
EXTEND RIFFLE
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GLIDE MIN. 13 WBKF
P.T. STATION
PER PLAN
MICROPOOL
RIFFLE LENGTH VARIES
PER PLAN
EXTEND RIFFLE
SUBSTRATEINTO
RUN MIN. Y3 WBKF
P.T. ELEVATION
PER PROFILE
GLIDE
BANKFULL
RIFFLE SLOPE VARIE
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RIFFLE MATERIAL
PER NOTES
P.C. ELEVATION
PER PROFILE
RUN
STREAMBED
CONSTRUCTED RIFFLE SPECIFICATIONS
1 RIFFLES SHALL BE CONSTRUCTED OF NATIVE GRAVEL AND COBBLE MATERIAL AVAILABLE ON�C
THE ENGINEER MUST APPROVE THE USE OF ALL ONSITE NATIVE MATERIAL. WHEN NA
SUBSTRATE IS NOT SUFFICIENT FOR COMPLETION OF THE STRUCTURE, QUARRIED STONE SHAL
USED TO SUPPLEMENT THE RIFFLE MATERIAL ACCORDING TO THE RIFFLE SUBSTR
SPECIFICATIONS.
2. FOR INSTALLATION, THE CONTRACTOR SHALL OVER EXCAVATE THE LENGTH OF THE RIF
BACKFILL WITH NATIVE GRAVEL AND COBBLE MATERIAL TO THE ELEVATIONS SHOWN ON
PROPOSED PROFILE.
3. CONSTRUCTED RIFFLE MATERIAL SHALL EXTEND A MINIMUM OF 10.0 FT U/S OF THE P.T. INTO
GLIDE AND A MINIMUM OF 10.0 FT D/S OF THE P.C. INTO THE RUN.
4. THE RIFFLE MATERIAL SHALL BE PLACED AT A UNIFORM THICKNESS SUCH THAT, IN CROSS -SECT
ITS LOWEST ELEVATION OCCURS IN THE CENTER OF THE CHANNEL.
5. FINE WOODY MATERIAL MAY BE INTEGRATED INTO THE RIFFLE MATERIAL TO ENHANCE F
DIVERSITY AND HYPORHEIC EXCHANGE.
DETAILED SECTION A A'
6. RIFFLE MATERIAL SHALL BE COMPACTED USING AN EXCAVATOR BUCKET SUCH THAT FUT
Z K NOT TO SCALE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
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:D)SR) ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON
FLOW - -
<tin P.C. STATION EROSION CONTROL MATTING DRAWINGS. THE DEGREE OF FINISH FOR INVERT ELEVATIONS SHALL BE WITHIN 0.1 FT OF
BANKFULL
PER PLAN GRADES AND ELEVATIONS INDICATED.
STREAMBANK 8. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUI
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTA
TOE OF SLOPE
CONSTRUCTION.
BANKFULL 9. SEE TYPICAL RIFFLE CROSS SECTION FOR DIMENSIONS.
STAGE
5. SUPPLEMENTAL RIFFLE MATERIAL SPECIFICATIONS:
KEY MATTING INTO 0 NCDOT CLASS 1 - 70%
RIFFLE TRENCH RIFFLE MATERIAL 0 NCDOT CLASS B - 30%
MIN. 2.0' RIFFLE MATERIAL
PER NOTES
DETAILED PLAN
NOT TO SCALE
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RIFFLE SLOPE VARIES PER PROFILE
WOODY MATERIAL AND BRUSH
WORKED INTO RIFFLE MATERIAL RII I L-E
MATERIAL
1" 6" PROTRUSION
DETAILED SECTION A A
NOT TO SCALE
EROSION CONTROL MATTING
8. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A COMPACT SURFACE IN ACCORDA
1" - 6" ABOVE RIFFLE MATERIAL WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON THE DRAWINGS.
LOGS/WOODY DEBRIS BANKFULL DEGREE OF FINISH FOR INVERT ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE GRADES
ELEVATIONS INDICATED.
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KEY MATTING INTO
RIFFLE TRENCH RIFFLE MATERIAL RIFFLE COBBLE/BOULDER
MATERIAL
MIN. 2.0' PER NOTES
P.C. ELEVATION
PER PROFILE
RUN
ENHANCED HABITAT RIFFLE SPECIFICATIONS
1. FOR INSTALLATION, THE CONTRACTOR SHALL OVER EXCAVATE THE LENGTH OF THE RIFFLE
BACKFILL THE TRENCH WITH THE SPECIFIED RIFFLE SUBSTRATE MATERIAL TO THE ELEVATI
SHOWN ON THE PROPOSED PROFILE.
2. RIFFLE MATERIAL SHALL EXTEND A MINIMUM OF 13 WBKF U/S OF THE P.T. INTO THE GLIDE AND A MINI
OF 13 WBKF D/S OF THE P.C. INTO THE RUN.
3. ENHANCED HABITAT RIFFLES SHALL BE BACKFILLED WITH RIFFLE MATERIAL CONSISTING
QUARRIED STONE. RIFFLE MATERIAL SHALL BE COMPACTED USING AN EXCAVATOR BUCKET S
THAT FUTURE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
4. ENHANCED HABITAT RIFFLE MATERIAL SPECIFICATIONS-
* NCDOT CLASS 1 70%
0 NCDOT CLASS B 30%
6. RIFFLE MATERIAL SHALL CONSIST OF LARGE LOGS, BRUSH, AND BOULDERS EMBEDDED IN COB
AND GRAVEL SUBSTRATE IN A DISORGANIZED MANNER, WITHIN THE STREAM CHANNEL. THE LO
AND ROCKS CREATE SMALL IRREGULAR DROPS, POOLS, AND TURBULENT FLOW
7. WOODY MATERIAL 3" - 9" IN SIZE SHALL BE INTEGRATED INTO THE RIFFLE SUBSTRATE TO ENHA
FLOW DIVERSITY AND HYPORHEIC EXCHANGE. WOODY MATERIAL SHALL PROTRUDE 11, - 61, ABOVE
FINISHED RIFFLE SUBSTRATE. LOGS SHALL BE ANCHORED WITH PLACEMENT OF OTHER LOGS, RO
OR BY HAVING 1/3 OF THEIR LENGTH BURIED IN THE CHANNEL BOTTOM OR BANKS.
DETAILED SECTION B - B'
NOT TO SCALE
ENHANCED HABITAT RIFFLE
9. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUI
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL
CONSTRUCTION.
10.THE END OF RIFFLE CONTROL POINT MAY TIE INTO OTHER IN -STREAM STRUCTURE (E.G. J-HO
VANE, LOG STEP, ETC.)
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DATE:
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NOT TO SCALE
SHEET NUMBER
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GLIDE
PER PROFILE
RUN
3" - 6" WOODY MATERIAL AND BRUSH
WORKED INTO RIFFLE MATERIAL
1" - 3" PROTRUSION
STREAMBED
RIFFLE
MATERIAL
EXTEND RIFFLE
MATERIAL INTO
RUN MIN. 3' WBKF DETAILED SECTION A - AV
NOT TO SCALE
A'
-P.C. STATION
PER PLAN EROSION CONTROL MATTING
1 - 3" ABOVE RIFFLE MATERIAL
BANKFULL
KEY MATTING INTO
RIFFLE TRENCH
RIFFLE MATERIAL_ RIFFLE MATERIAL
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NOT TO SCALE
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BANKFULL--\
HEADER
BOULDER
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GRAVEL BACKFILL BELOW STRUCTURE
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KEY BOULDERS INTO
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PER PROFILE
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KEY BOULDERS INTO FIT BOULDERS TIGHTLY TOGETHER
STREAMBANK MIN. 15 FT OR PLACE BOULDERS INTO STREAMBED A
THREE FULL BOULDER LENGTHS MINIMUM OF THE BOULDER DIAMETER
DETAILED SECTION B - 13'
NOT TO SCALE
1. FOR INSTALLATION, THE CONTRACTOR SHALL OVER EXCAVATE THE LENGTH OF THE RIFFLE AND z
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RIFFLE MATERIAL SHALL BE PLACED AT A UNIFORM THICKNESS SUCH THAT, IN CROSS-SECTION, ITS
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FLOW DIVERSITY AND HYPORHEIC EXCHANGE. WOODY MATERIAL SHALL PROTRUDE 11, - 31, ABOVE THE
FINISHED RIFFLE SUBSTRATE.
7.
RIFFLE MATERIAL SHALL BE COMPACTED USING AN EXCAVATOR BUCKET SUCH THE DEEPEST POINT
OF THE CHANNEL IS ALONG THE CENTERLINE AND THAT FUTURE SETTLEMENT OF THE MATERIAL IS
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1. ALL BOULDERS USED FOR THE PROPOSED STRUCTURE SHALL BE STRUCTURAL STONE, CUBICAL OR
RECTANGULAR IN SHAPE. THE ENGINEER MUST APPROVE THE USE OF BOULDERS THAT MAY BE
AVAILABLE ONSITE. BOULDERS SHALL BE 3.0'X 5.0'X 2.5'(W X L X H) +/- 0.5'. THE MINIMUM ACCEPTABLE
BOULDER THICKNESS (H) IS 2.0'. BOULDERS LONGER (L) THAN 5.5'WILL BE ACCEPTED.
2. DIMENSIONS AND SLOPES OF STRUCTURES DESCRIBED IN THE DETAIL MAY BE ADJUSTED BY DESIGN
ENGINEER TO FIT CONDITIONS ONSITE. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS
TOGETHER TIGHTLY.
3. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGING
WITH NC DOT CLASS A ROCK OR CHINKING STONE APPROVED BY ENGINEER.
2. HEADER BOULDERS SHALL BE UNDERLAIN BY FOOTER BOULDERS TO PROVIDE A FOUNDATION
UNLESS OTHERWISE DIRECTED BY THE ENGINEER. HEADER BOULDERS SHALL BE OFFSET 1.0 FT
UPSTREAM OF THE FOOTER.
3. SET BOULDER INVERTS AT ELEVATION SHOWN ON THE PLAN AND PROFILE SHEETS. NO ELEVATIONS
OF THE BOULDERS MAY VARY FROM THE PLAN SHEETS WITHOUT DIRECTION FROM THE ENGINEER.
4. NON -WOVEN GEOTEXTILE SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO
PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM
THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED
THE ENTIRE LENGTH OF THE STRUCTURE. SELECT BACK FILL MATERIAL SHALL BE PLACED UPSTREAM
OF THE GEOTEXTILE MATERIAL.
5. GRAVEL MATERIAL CONSISTING OF A WELL -GRADED BLEND OF NCDOT CLASS A RIPRAP AND ASTM #57
ROCK MIXED WITH EARTH SHALL BE USED TO BACKFILL THE STRUCTURE. BACKFILL MATERIAL SHALL
BE COMPACTED SUCH THAT FUTURE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
6. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE IN
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON THE
DRAWINGS. THE DEGREE OF FINISH FOR INVERT ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE
GRADES AND ELEVATIONS INDICATED.
7. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRED
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL TO
CONSTRUCTION.
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BOULDER J-HOOK
SHEET NUMBER
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OFFSET SLIGHTLY DOWNSTREAM OF THE FOOTER THE HEADER LOG OF THE VANE ARE SHALL TIE INTO
THE STREAMBANK AT Y2 TO % BANKFULL STAGE. THE LOG VANE ARM SHALL EXTEND INTO THE
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LARGER THAN 1 INCHES BETWEEN THE HEADER AND FOOTER LOGS SHALL BE CHINKED WITH LIMBS
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ALL BOULDERS USED FOR THE STRUCTURE SHALL BE STRUCTURAL STONE, CUBICAL OR
RECTANGULAR IN SHAPE. THE ENGINEER MUST APPROVE THE USE OF BOULDERS THAT MAY BE
AVAILABLE ONSITE. BOULDERS DIMENSIONS SHALL BE 3.0' X 5.0' X 2.0' (W X L X H) ± 0.5 FT. THE
MINIMUM ACCEPTABLE BOULDER THICKNESS (H) IS 1.5'. BOULDERS LONGER (L) THAN 5.5' WILL BE
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SET BOULDER INVERTS AT ELEVATION SHOWN ON THE PLAN AND PROFILE SHEETS. NO ELEVATIONS
OF THE BOULDERS MAY VARY FROM THE PLAN SHEETS WITHOUT DIRECTION FROM THE ENGINEER.
4.
ON THE UPSTREAM SIDE OF THE STRUCTURE A LAYER OF NON -WOVEN GEOTEXTILE FABRIC SHALL BE
PLACED AS SHOWN IN THE DETAIL ALONG THE ENTIRE LENGTH OF THE LOG VANE AND BOULDER
J-HOOK. SECURE ALL GEOTEXTILE FABRIC ON TOP OF FOOTER LOG USING 3 INCH 10D GALVANIZED
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LOG J-HOOK VANE SPECIFICATIONS
1 ALL LOGS SHALL BE RELATIVELY STRAIGHT AND LIMBS AND BRANCHES SHALL BE TRIMMED FLUSH.
LOGS SHALL HAVE MINIMUM DIAMETER OF 1.5'. VANE LENGTH SHALL BE AS FOLLOWS- ASHWORTH
CREEK - 40 FEET, UT1 - 15 FEET. HEADER LOGS SHALL BE UNDERLAIN BY FOOTER LOGS TO PROVIDE
A SILL UNLESS OTHERWISE DIRECTED BY THE ENGINEER. HEADER LOGS SHALL BE OFFSET SLIGHTLY
DOWNSTREAM OF THE FOOTER LOG. THE HEADER LOG OF THE VANE ARE SHALL TIE INTO THE
STREAMBANK AT Y2 TO �/3 BANKFULL STAGE. THE LOG VANE ARM SHALL EXTEND INTO THE OUTSIDE
STREAMBANK AND STREAMBED A MINIMUM OF 5.0 FT ON EACH END. ALL GAPS/VOIDS LARGER THAN 1
INCHES BETWEEN THE HEADER AND FOOTER LOGS SHALL BE CHINKED WITH LIMBS AND/OR BRUSH
ON THE UPSTREAM SIDE PRIOR TO PLACEMENT OF THE GEOTEXTILE.
2. ALL BOULDERS USED FOR THE STRUCTURE SHALL BE STRUCTURAL STONE, CUBICAL OR
RECTANGULAR IN SHAPE. THE ENGINEER MUST APPROVE THE USE OF BOULDERS THAT MAY BE
AVAILABLE ONSITE. BOULDERS SHALL BE 3.0' X 5.0' X 2.5' (W X L X H) +/- 0.5'. THE MINIMUM
ACCEPTABLE BOULDER THICKNESS (H) IS 2.0'. BOULDERS LONGER (L) THAN 55WILL BE ACCEPTED.
GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGING
WITH NC DOT CLASS A ROCK OR CHINKING STONE APPROVED BY ENGINEER. HEADER BOULDERS
SHALL BE UNDERLAIN BY FOOTER BOULDERS TO PROVIDE A FOUNDATION UNLESS OTHERWISE
DIRECTED BY THE ENGINEER. HEADER BOULDERS SHALL BE OFFSET 1.0 FT UPSTREAM OF THE
FOOTER.
3. SET BOULDER INVERTS AT ELEVATION SHOWN ON THE PLAN AND PROFILE SHEETS. NO ELEVATIONS
OF THE BOULDERS MAY VARY FROM THE PLAN SHEETS WITHOUT DIRECTION FROM THE ENGINEER.
4. ON THE UPSTREAM SIDE OF THE STRUCTURE A LAYER OF NON -WOVEN GEOTEXTILE FABRIC SHALL
BE PLACED AS SHOWN IN THE DETAIL ALONG THE ENTIRE LENGTH OF THE LOG VANE AND BOULDER
J-HOOK. SECURE ALL GEOTEXTILE FABRIC ON TOP OF FOOTER LOG USING 3 INCH 10D GALVANIZED
COMMON NAIL ON 12 IN SPACING ALONG LOG. NAIL NON -WOVEN GEOTEXTILE TO EDGE OF HEADER
LOG AND BACKFILL.
5. GRAVEL MATERIAL CONSISTING OF A WELL -GRADED BLEND OF SURGE STONE AND ASTM #57 ROCK
MIXED WITH EARTH SHALL BE USED TO BACKFILL THE STRUCTURE. BACKFILL MATERIAL SHALL BE
COMPACTED SUCH THAT FUTURE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
6. PLACE BOULDERS UPSTREAM AND DOWNSTREAM OF THE LOG VANE ARM IN THE STREAMBANK. THE
FINISHED ELEVATION OF THE BOULDERS SHALL BE BELOW THE FINISHED GRADE OF THE ADJACENT
FLOODPLAIN AND SHALL NOT PROTRUDE OUT OF THE STREAMBANK.
7. DIMENSIONS AND SLOPES OF STRUCTURES DESCRIBED IN THE DETAIL MAY BE ADJUSTED BY DESIGN
ENGINEER TO FIT CONDITIONS ONSITE.
8. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE IN
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON THE
DRAWINGS. THE DEGREE OF FINISH FOR INVERT ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE
GRADES AND ELEVATIONS INDICATED.
9. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRED
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL TO
CONSTRUCTION.
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
NOT TO SCALE
SHEET NUMBER
4.4

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DETAILED PLAN
NOT TO SCALE
EXCAVATION LIMITS
WOOD STAKE
2" X 2" X 18" - 36"
COMPACTED
BACKFILL
WOODY MATERIAL
INSTALLED IN 1.0'
LIFTS
/WIDTH OF WOODY MATERIAL,
Y3 WBKF OR GREATER
DETAILED SECTION A A'
NOT TO SCALE
LIVE STAKES AND BARE ROOT
PLANTINGS
BANKFULL STAGE
SOIL LIFTS SHALL USE TWO
LAYERS OF BIODEGRADABLE
MATTING: 700 G/M2 COIR
2
MATTING (OUTER) AND 320 G/M
EROSION CONTROL BLANKET
(INNER).
LIVE CUTTINGS
UNCONSOLIDATED GRAVEL
AND TOPSOIL
TOP OF WOODY MATERIAL = +05
ABOVE DOWNSTREAM PT ELEV.
APPROXIMATE DOWNSTREAM
PT ELEV.
STREAMBED AT
MAX POOL DEPTH
TOE WOOD PROTECTION WITH SOIL LIFT
-
EXCAVATION
LIMITS
WOOD STAKE
2" X 2" X 18" - 36"
COMPACTED
BACKFILL
NCDOT CLASS B
RIPRAP INSTALLED
IN 1.0'LIFTS
LIVE STAKES AND BARE ROOT
PLANTINGS
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DETAILED SECTION A A'
NOT TO SCALE
ROCK TOE PROTECTION WITH SOIL LIFT
TOE WOOD PROTECTION WITH SOIL LIFT SPECIFICATIONS
1. WOODY MATERIAL USED IN THE BRUSH TOE SHALL CONSIST OF LOGS, LARGE BRANCHES AND WOOD
DEBRIS RANGING IN DIAMETER FROM 1" TO 12". LARGE VOIDS SHALL BE FILLED WITH FINE WOOD
MATERIAL AND DEBRIS. ALL MATERIALS ARE TO BE APPROVED BY THE ENGINEER. WOODY MATERIA
SHALL BE INSTALLED IN 1.0'LIFTS. EACH LIFT SHALL BE COMPACTED WITH THE EXCAVATOR BUCKE
AND COVERED WITH A LAYER OF ALLUVIUM OR MIXED SOIL AND GRAVEL TO FORM A DENSE LAYER C
WOODY MATERIAL AND ALLUVIAL TO LINES, ELEVATIONS AND GRADES IN THE DRAWINGS.
2. TOE WOOD SHALL EXTEND INTO THE DOWNSTREAM RIFFLE MIN. 10.0'BEYOND THE P.T.
3. UNCONSOLIDATED GRAVEL AND TOPSOIL SHALL BE INSTALLED ABOVE WOODY MATERIAL BEFORE TH
LIVE CUTTINGS AND SOIL LIFTS ARE INSTALLED.
4. PLACE LAYER OF LIVE CUTTINGS (MIN. 4'LENGTH) A 2.0'O.C. ON THE GRAVEL AND TOPSOIL LEVELIN
COURSE SUCH THAT APPROXIMATELY 6 INCHES TO 1 FOOT OF EACH LIVE BRANCH WILL BE EXPOSE
AND THE REMAINDER (2- TO 4') OF EACH LIVE BRANCH WILL BE COVERED BY THE SOIL LIFT. LIV
BRANCHES SHALL BE AN EQUAL FRACTION OF BLACK WILLOW (SALIX NIGRA), SILKY WILLOW (SALI
SERICEA) AND SILKY DOGWOOD (CORNUS AMOMUM) AND APPROVED BY THE ENGINEER PRIOR T
INSTALLATION.
5. INSTALL A SOIL LIFT ABOVE THE LIVE CUTTINGS. THE SOIL LIFT SHALL NOT EXCEED 1.01 THICKNES
LIFTS SHALL INCLUDE ALL SOIL PREPARATION, TEMPORARY AND PERMANENT SEEDING AND MULC
SOIL LIFTS SHALL USE TWO LAYERS OF BIODEGRADABLE MATTING- 700 G/M2 COIR MATTING (OUTE
AND 320 G/M2 EROSION CONTROL BLANKET (INNER). EROSION CONTROL PRODUCTS USED FOR S&
LIFTS SHALL BE MADE OF 100% NATURAL FIBERS AND MATERIALS AND BE BIODEGRADABLE UNDE
NORMAL CLIMATE CONDITIONS. EROSION CONTROL MATTING CONTAINING PLASTICS OR PLASTI
BASED MATERIALS SHALL NOT BE USED.
6. LIVE TRANSPLANTS AVAILABLE ON THE SITE MAY REPLACE SOIL LIFTS AS DIRECTED BY TH
ENGINEER.
7. GRADE THE RIVER BANK AT 3:1 TO THE EXISTING GROUND. SEE BANK GRADING DETAIL ON THI
SHEET.
8. KEY EROSION CONTROL MATTING IN BENEATH BANK GRADING AREA AND INSTALL MATTING ON AL
DISTURBED RIVER BANKS.
9. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE I
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON TH
DRAWINGS. THE DEGREE OF FINISH FOR ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE GRADES AN
ELEVATIONS INDICATED OR APPROVED BY THE ENGINEER.
10.RE-DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRE
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL T
CONSTRUCTION.
ROCK TOE PROTECTION WITH SOIL LIFT SPECIFICATIONS
1. ROCK USED IN THE ROCK TOE PROTECTION STRUCTURE SHALL CONSIST OF 100% NCDOT CLASS
RIPRAP. RIPRAP SHALL BE INSTALLED IN 1.0' LIFTS. EACH LIFT SHALL BE COMPACTED WITH TH
EXCAVATOR BUCKET AND COVERED WITH A LAYER OF ALLUVIUM AND GRAVEL AVAILABLE ONSITE AN
WITHIN THE RIVER BED TO FORM A DENSE LAYER OF COMPACTED ROCK MATERIAL TO LINE
ELEVATIONS AND GRADES IN THE DRAWINGS AND DETAILS.
2. GRAVEL AND TOPSOIL SHALL BE INSTALLED AS A LEVELING COURSE ABOVE THE FILTER FABRIC AN
RIPRAP BEFORE THE LIVE CUTTINGS AND SOIL LIFTS ARE INSTALLED.
3. PLACE LAYER OF LIVE CUTTINGS (MIN. 4'LENGTH) A 2.0'O.C. ON THE GRAVEL AND TOPSOIL LEVELIN
COURSE SUCH THAT APPROXIMATELY 6 INCHES TO 1 FOOT OF EACH LIVE BRANCH WILL BE EXPOSE
AND THE REMAINDER (2- TO 4') OF EACH LIVE BRANCH WILL BE COVERED BY THE SOIL LIFT. LIV
BRANCHES SHALL BE AN EQUAL FRACTION OF SILKY WILLOW (SALIX SERICEA) AND SILKY DOGWOO
(CORNUS AMOMUM).
4. INSTALL A SOIL LIFT ABOVE THE LIVE CUTTINGS. THE SOIL LIFT SHALL NOT EXCEED 1.01 THICKNES
LIFTS SHALL INCLUDE ALL SOIL PREPARATION, TEMPORARY AND PERMANENT SEEDING AND MULC
SOIL LIFTS SHALL USE TWO LAYERS OF BIODEGRADABLE MATTING- 700 G/M2 COIR MATTING (OUTE
M2
AND 320 G/ EROSION CONTROL BLANKET (INNER). EROSION CONTROL PRODUCTS USED FOR S&
LIFTS SHALL BE MADE OF 100% NATURAL FIBERS AND MATERIALS AND BE BIODEGRADABLE UNDE
NORMAL CLIMATE CONDITIONS. EROSION CONTROL MATTING CONTAINING PLASTICS OR PLASTI
BASED MATERIALS SHALL NOT BE USED.
5. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE I
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON TH
DRAWINGS. THE DEGREE OF FINISH FOR ELEVATIONS SHALL BE WITHIN 0.1 FT OF THE GRADES AN
ELEVATIONS INDICATED OR APPROVED BY THE ENGINEER.
6. RE -DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRE
FOLLOWING INSTALLATION OF IN -STREAM STRUCTURES AND SHALL BE CONSIDERED INCIDENTAL T
CONSTRUCTION.
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DATE:
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NOT TO SCALE
SHEET NUMBER
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COMPACTED FILL
ATERIAL
OLD CHANNEL TOP OF BANK
OLD CHANNEL TOE OF SLOPE
DETAILED PLAN
NOT TO SCALE
TOP SOIL MIN. 1.0'
OLD CHANNEL —
TOP OF BANK
IMIN. 1.0'
PLUG SLOPE TO
LINES, GRADES AND COMPACTED F1
ELEVATIONS SHOWN MATERIAL S
01 IN THEPLANS
/WW/
OLD CHANNEL BOTTOM
EXISTING GROUND
DETAILED SECTION A - AV
NOT TO SCALE
CHANNEL PLUG
CHANNEL PLUG SPECIFICATIONS
1. ALL CHANNEL WORK SHALL TAKE PLACE DURING DRY WORKING CONDITIONS. THE CONTRAC'
SHALL MINIMIZE THE EXPORT OF SEDIMENT TO ADJACENT SURFACE WATERS TO THE MAXI�
EXTENT PRACTICABLE BY USING E&SC MEASURES AS NEEDED.
2. FOR INSTALLATION, THE CONTRACTOR SHALL PLACE SUITABLE CLAY FILL MATERIAL IN THE EXIS1
CHANNEL UP TO THE TOP OF BANK. FILL MATERIAL SHOULD BE LOCATED WITHIN THE SITE ,
APPROVED FOR USE BY THE ENGINEER. THE CHANNEL PLUG SHALL BE COMPACTED AS DIREC
AND UNTIL APPROVED BY THE ENGINEER ON SITE.
3. TOP SOIL SUITABLE FOR ESTABLISHING NATIVE VEGETATION SHALL BE INSTALLED ON TOP OF
COMPACTED FILL MATERIAL TO A MINIMUM DEPTH OF 05ABOVE THE COMPACTED FILL MATERIAL.
4. TRANSPLANTS AVAILABLE ONSITE MAY BE INSTALL IN THE TOP SOIL AS DIRECTED BY THE ENGIN
ON SITE.
5. THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFAC
ACCORDANCE WITH THE LINES, GRADES, AND CROSS -SECTIONS OR ELEVATIONS SHOWN ON
DRAWINGS.
6. RE -DRESSING AND STABILIZATION OF THE SURROUNDING WORK AREA WITH TEMPORARY
PERMANENT SEEDING AND MULCHING WILL LIKELY BE REQUIRED FOLLOWING INSTALLATION OF
DITCH PLUG AND SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.
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Jennings
Environmental
7 SAMUEL ASHE DRIVE
ASHEVILLE,
NC 28805
DATE: 1/22/2024
NOT TO SCALE
SHEET NUMBER
4.6

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EROSION & SEDIMENT CONTROL PLAN TO BE DETER
SEE SHEETS 5.2 - 5.5 FOR TYPICAL NOTES AND DET
INED.
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EROSION AND SEDIMENTATION CONTROL (ESC
NOTES AND SPECIFICATIONS
1. ALL CONSTRUCTION ACTIVITIES SHALL ADHERE TO THE
CONDITIONS AND REQUIREMENTS OF NC DEMLR'S NG01
CONSTRUCTION GENERAL PERMIT.
2. ALL TREES, UTILITIES AND OTHER SITE FEATURES SHALL BE
PROTECTED UNLESS MARKED FOR REMOVAL OR
RELOCATION.
3. EQUIPMENT SHALL BE WELL —MAINTAINED, CLEANED PRIOR
TO MOBILIZATION, AND CHECKED DAILY FOR LEAKS OF
PETROLEUM PRODUCTS. FUELING OPERATIONS SHALL BE
PERFORMED IN A CONTAINED AREA AWAY FROM SURFACE
WATER.
4. ALL WORK IN OR ADJACENT TO STREAMS AND RIVERS
SHALL BE CONDUCTED SUCH THAT THE FLOWING WATER
DOES NOT COME IN CONTACT WITH THE DISTURBED WORK
AREA.
5. UTILIZE A TEMPORARY IN —STREAM DIVERSION AND/OR PUMP
AROUND SYSTEM AT ALL TIMES WHEN WORKING IN THE
ACTIVE STREAM CHANNEL.
6. CONSTRUCTION SHALL BE TIMED TO OCCUR DURING TIMES
OF LOW FLOW.
7. CONSTRUCTION SCHEDULING AND STAGING SHALL BE
TIMED TO MINIMIZE THE AMOUNT OF TIME SPENT WORKING
IN THE RIVER CHANNEL.
8. THE RIVERBANKS, IN —STREAM STRUCTURES AND WORK
AREA MUST BE STABILIZED AT THE END OF EACH DAY
BEFORE THE TEMPORARY IN —STREAM DIVERSIONS ARE
REMOVED AND FLOW IS RETURNED THE FULL CHANNEL.
9. ALL WASTE SOIL SHALL STAY ONSITE AND WILL BE
DISPOSED OF IN AREAS DESIGNATED ON THE PLANS. THE
WASTE SOIL FOR THE FUTURE WALKING TRAIL SHALL BE
ROUGH —GRADED AND STABILIZED WITH TEMPORARY AND
PERMANENT SEEDING AND MULCH
SEQUENCE OF CONSTRUCTION
1. OBTAIN AND REVIEW THE PROJECT PLANS, EROSION A
SEDIMENTATION CONTROL PLAN, AND ALL OTH
APPLICABLE PERMITS.
2. FLAG THE WORK LIMITS AND STAKE OUT THE LIMITS
DISTURBANCE (LOD) OF THE PROJECT. THE TOTAL PROJE
LOD IS TO BE DETERMINED.
3. LOCATE ALL UNDERGROUND UTILITIES WITHIN THE WO
AREA.
4. INSTALL RAIN GAUGE AND PREPARE INSPECTION FORMS.
5. HOLD PRE —CONSTRUCTION MEETING WITH THE PERMITTI
ENGINEER AND CONTRACTOR PRIOR TO STARTING A
LAND DISTURBING ACTIVITIES.
6. INSTALL ALL EROSION AND SEDIMENTATION CONTROL BM
AS SHOWN IN THE DRAWINGS AND DETAILS.
7. INSPECT EROSION PREVENTION AND SEDIMENT CONTR
BMPS DAILY AND AFTER SIGNIFICANT RAINFALL EVEN'
MAKE NEEDED REPAIRS IMMEDIATELY. KEEP ALL LOGS A
RECORDS UP—TO—DATE.
8. ACQUIRE AND STORE MATERIALS FOR SITE (E.G. RO(
LOGS, EROSION CONTROL MATTING AND FILTER FABRICS)
THE TEMPORARY STAGING AREAS.
9. CLEAR EXISTING VEGETATION REQUIRED TO COMPLE
THE WORK TAKING CARE NOT TO DISTURB DESIRAE
VEGETATION TO REMAIN INTACT.
10. GRADE THE RIVER BANKS AND INSTALL BANK STABILIZATI,
STRUCTURES ACCORDING TO THE PLANS AND DETAI
WHEN POSSIBLE, PERFORM WORK FROM THE RIVER BAN
TO MINIMIZE TIME SPENT WORKING IN THE CHANNEL.
11.WHEN WORKING IN THE CHANNEL, UTILIZE A TEMPORA
IN —STREAM DIVERSION.
12.INSTALL TEMPORARY SEEDING, PERMANENT SEEDING, A
EROSION CONTROL MATTING ON ALL DISTURBED RIV
BANKS AND GRADED SLOPES AS SHOWN ON ESC A
RE —VEGETATION PLANS.
13.INSTALL TEMPORARY AND PERMANENT SEEDING A
MULCH TO ALL AREAS DISTURBED FOR CONSTRUCTI,
ACCESS AND STAGING.
14.ONCE THE WORK AREA IS STABILIZED AND CONSTRUCTI,
ACTIVITIES ARE COMPLETED, REMOVE AND DISPOSE OF �
NON —BIODEGRADABLE EROSION AND SEDIMENTATI,
CONTROL BMPS.
15.NOTIFY THE PERMITEE AND THE ENGINEER FOR A FIN
INSPECTION AND WALK THROUGH TO VERIFY FIN
STABILIZATION OF THE SITE.
16.WHEN SEASONALLY APPROPRIATE, INSTALL PERMANE
PLANTINGS ON RIVER BANKS AND WITHIN THE RIPARI
ZONES AS SHOWN ON RE —VEGETATION PLAN.
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ASHEVILLE, NC 28805
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NOTES AND SPECIFICATIONS
CONSTRUCTION-
1. CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND OTHER OBJECTIONABI
MATERIAL AND PROPERLY GRADE IT.
2. PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE PLANS, AND SMOO�
IT.
3. PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER SUITABLE OUTLET.
4. USE GEOTEXTILE FABRICS IN ORDER TO IMPROVE STABILITY OF THE FOUNDATION IN LOCATIOl'
SUBJECT TO SEEPAGE OR HIGH WATER TABLE.
MAINTENANCE-
1. PER NCG-01 INSPECT AT LEAST ONCE A WEEK AND AFTER EACH 1 INCH OR GREATER RAINFAL
MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING TF
CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH 2 INCH STONE.
3. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED OR TRACKED ONI
PUBLIC ROADWAYS.
TEMPORARY SILT FENCE
NOTES AND SPECIFICATIONS
CONSTRUCTION:
1. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH SYNTHET
FILTER FABRICS.
2. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE TF
GROUND. (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE
THE STRUCTURE)
3. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIE
TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY FASTEN FILTER CLOTH ONLY AT
SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO THE NEXT POST.
4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED SECURELY TO TF
UPSLOPE SIDE OF THE POSTS. EXTEND THE WIRE MESH SUPPORT TO THE BOTTOM OF THE TRENC
FASTEN THE WIRE REINFORCEMENT, THEN FABRIC ON THE UPSLOPE SIDE OF THE FENCE POS-
WIRE OR PLASTIC ZIP TIES SHOULD HAVE A MINIMUM 50 POUND TENSILE STRENGTH.
5. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 FEET APAR
SUPPORTS SHOULD BE DRIVEN SECURELY INTO THE GROUND A MINIMUM OF 24 INCHES.
6. EXTRA STRENGTH FILTER FABRIC WITH 6 FOOT POST SPACING DOES NOT REQUIRE A WIRE ME�c
SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRIC DIRECTLY TO POSTS. WIRE OR PLASTIC Z
TIES SHOULD HAVE A MINIMUM OF 50 POUND TENSILE STRENGTH.
7. EXCAVATE THE TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG TF
PROPOSED LINE OF THE POSTS AND UPSLOPE FROM THE BARRIER.
8. PLACE 12 INCHES OF FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH.
9. BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT. THOROUC
COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE PERFORMANCE.
10. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES.
MAINTENANCE-
1 INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH 1 INCH OR GREATE
RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECON
INEFFECTIVE, REPLACE IT PROMPTLY.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR TF
NEXT RAIN AND REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FEN(
DURING CLEANOUTS.
4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA I
GRADE AND STABILIZE IF AFTER CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
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STREAM FLOW SHALL BE PUMPED AROUND THE WORK AREA. THE PUMP SHOULD DISCHARGE ONTO
A STABLE VELOCITY DISSIPATER CONSTRUCTED OF RIPRAP OR SANDBAGS. DIVERSION PUMP co
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DE -WATERING PUMP WATER DRAINS BACK INTO THE CHANNEL BELOW THE DOWNSTREAM SANDBAG DIKE WITHOUT
CAUSING FURTHER EROSION.
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FLO\N 4. IN -STREAM DIVERSION MAY BE CONSTRUCTED OF SANDBAGS, RIPRAP (NCDOT CLASS B, OR
EQUIVALENT), AND/OR EXISTING BED AND BANK MATERIAL APPROVED BY THE ENGINEER. HEIGHT OF
DIVERSION SHALL BE EQUAL TO '2 THE EXISTING BANK HEIGHT + 1.0 FOOT FOR PROJECTS WITH
INTAKE DURATIONS LESS THAN 2 WEEKS; 2-YEAR FLOOD ELEVATION FOR PROJECTS OF LONGER DURATION.
HOSE SUMP -HOLE FOR POOL
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25-FT MINIMUM SILT
FENCE (TYP.)
DETAILED PLAN
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ANCHOR BRIDGEMAT TO A TREE, OR
OTHER PERMANENT OBJECT WITH
SUFFICIENT STRENGTH, USING STEEL
CHAIN OR CABLE.
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MINIMUM 6" LIP--\
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DIVERSION
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2-3" SURGE STONE OR RAILROAD BALLAST
BRIDGEMAT
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CROSS SECTION
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ORIGINAL -
STREAMBANK
1. REFER TO "NORTH CAROLINA DIVISION OF FOREST RESOURCES" LITERATURE, INSTALLATION
MAINTENANCE GUIDELINES, & "NORTH CAROLINA FORESTRY BMP MANUAL-2006".
2. INSTALL WATER DIVERSION DEVICES (WATER BARS, TURNOUTS, BROAD -BASED DIPS, ETC.) ON BOTH
SIDES OF THE MATS.
3. STABILIZE EXPOSED MINERAL SOIL WITH TREE TOPS OR BRUSH DURING MAT INSTALLATION, AND
SEEDING/MULCH AFTER MAT REMOVAL.
4. INSTALL MATS TO CREATE A MINIMUM TEN FOOT BRIDGE WIDTH.
5. INCLUDE COARSE AGGREGATE ON THE APPROACHWAY FOR A MINIMUM OF 25 FEET AND SILT FENCE
ALONG STREAMBANKS ADJACENT TO CROSSING FOR A MINIMUM OF 25 FEET.
MAINTENANCE NOTES:
1. KEEP MATS'SURFACE FREE OF MINERAL SOIL AND DEBRIS THAT COULD ENTER STREAM.
SURFACE FLOW
DIVERSION 2. PERIODICALLY CHECK MAT HARDWARE; RE -TIGHTEN NUTS & CABLE CLAMPS AS NECESSARY TO
71—FAT 7�� MAINTAIN BRIDGE STRENGTH AND INTEGRITY.
3. IMMEDIATELY REMOVE ANY DEBRIS WHICH ENTERS THE STREAM AT THE CROSSING LOCATION.
REMOVAL NOTES:
1. CLEAN OFF BRIDGE SURFACE.
2. REMOVE MATS BY USING MAT CABLE LOOP OR SKIDDER GRAPPLE.
3. PERMANENTLY STABILIZE DISTURBED PORTIONS OF STREAMBANK AND APPROACH ROADS WITH
PERENNIAL GRASSES/MULCH (OR WETLAND MIX WHEN APPLICABLE).
7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
NOT TO SCALE
TEMPORARY BRIDGE CROSSING SHEET NUMBER
5.4

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NOTES AND SPECIFICATIONS
1. NO ADDITIONAL CLEARING AND GRUBBING IS ANTICIPATED FOR THE INSTALLATION OF THE FENCE
THE FENCE SHALL BE ERECTED TO CONFORM TO THE GENERAL CONTOUR OF THE GROUND.
2. POSTS SHALL BE SET AT A MAXIMUM SPACING OF 10 FT., MAINTAINED IN A VERTICAL POSITION AND
HAND SET OR SET WITH A POST DRIVER. POSTS SHALL BE INSTALLED A MINIMUM OF 2 FT. INTO THE
GROUND. IF HAND SET, ALL BACKFILL MATERIAL SHALL BE THOROUGHLY TAMPED. WOOD POSTS
MAY BE SHARPENED TO A DULL POINT IF POWER DRIVEN. POSTS DAMAGED BY POWER DRIVING
SHALL BE REMOVED AND REPLACED PRIOR TO FINAL ACCEPTANCE. THE TOPS OF ALL WOOD POSTS
SHALL BE CUT AT A 30-DEGREE ANGLE. THE WOOD POSTS MAY, AT THE OPTION OF THE
CONTRACTOR, BE CUT AT THIS ANGLE EITHER BEFORE OR AFTER THE POSTS ARE ERECTED.
3. THE FENCE GEOTEXTILE SHALL BE ATTACHED TO THE WOOD POSTS WITH ONE 21, GALVANIZED WIRE
STAPLE ACROSS EACH CABLE OR TO THE STEEL POSTS WITH WIRE OR OTHER ACCEPTABLE MEANS.
4. WARNING SIGNS TO BE MADE OF DURABLE, WEATHERPROOF MATERIAL. LETTERS TO BE 31, HIGH
MINIMUM, CLEARLY LEGIBLE AND SPACED AS DETAILED. PLACE A SIGN AT EACH END OF LINEAR
SAFETY FENCING AND 50'ON CENTER THEREAFTER. FOR CONSTRUCTION AREAS LESS THAN 200, IN
PERIMETER, PROVIDE NO LESS THAN ONE SIGN PER PROTECTION AREA. ATTACH SIGNS SECURELY
TO FENCE POSTS AND FABRIC.
5. THE CONTRACTOR SHALL BE REQUIRED TO MAINTAIN THE SAFETY FENCE IN A SATISFACTORY
CONDITION FOR THE DURATION OF THE PROJECT AS DETERMINED BY THE ENGINEER.
TEMPORARY TIMBER MATS
NOTES AND SPECIFICATIONS
1. TIMBER MATS SHALL BE USED FOR TEMPORARY CONSTRUCTION ACCESS TO TRAVERSE WET
HARDWOOD TOP AND/OR MUDDY AREAS ADJACENT TO THE STREAM, TO CROSS THE STREAM AND OTHER
ARDS 2"x8" CONCENTRATED FLOW AREAS, AND/OR TO PROTECT EXITING SITE FEATURES. IF BOTH APPROACHES
ARE WET AND/OR MUDDY THE TIMBER MAT APPROACH SHALL BE USED ON BOTH SIDES.
2. THE STREAM CROSSING SHALL BE INSTALLED WHEN FLOW IS LOW. THERE SHALL BE MINIMAL TO NO
DISTURBANCE OF THE CHANNEL BED AND BANKS AS A RESULT OF INSTALLING THE APPROACHES OR
CROSSING.
3. THE LENGTH OF TIMBER MAT REQUIRED TO CROSS THE STREAM OR CONCENTRATED FLOW AREAS
SHALL BE SUCH THAT THE TIMBER MAT EXTENDS PAST THE TOP OF BANK ON EACH SIDE OF THE
-HARDWOOD CROSSING A SUFFICIENT DISTANCE TO SUPPORT THE MAXIMUM EQUIPMENT SIZE USING THE
DTTOM BOARDS CROSSING. OTHER TIMBER MAT DIMENSIONS AND SPECIFICATIONS (INDIVIDUAL TIMBER SIZE, BOLT
x8" SPACING, ETC.) SHALL BE PER THE MANUFACTURERS SPECIFICATIONS WITH RESPECT TO THE
MAXIMUM EQUIPMENT SIZE USING THE CROSSING.
4. STREAM CROSSINGS SHALL BE INSTALLED WITH THE TIMBER MAT LENGTHS ORIENTED
PERPENDICULAR TO THE TOPS OF THE STREAM BANKS. TIMBER MAT STREAM APPROACHES SHALL
BE INSTALLED WITH THE TIMBER MAT LENGTHS ORIENTED PARALLEL TO THE TOPS OF THE STREAM
BANKS.
5. ALL TIMBER MATS, FILTER FABRIC, AND RIP RAP SHALL BE COMPLETELY REMOVED FROM THE SITE
4-HARDWOOD WHEN THE CROSSING IS REMOVED.
TOP BOARDS
2"x8" MATERIAL SPECIFICATIONS:
TYPE- LAMINATED 2 PLY MAT
MATERIAL: HARDWOOD
APPLICATION- STRAIGHT ROADS WITH MODERATE
TURNS ON SANDY AND MUDDY ROADS
WEIGHT: 1,600 LBS EACH
WEIGHT CAPACITY- 40TONS
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE:
1/22/2024
NOT TO SCALE
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5.5

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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): ill 75'
SCALE (1 7"X1 1 "): 1 150'
0 75 150
SCALE IN FEET
SHEET NUMBER
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GENERAL RE -VEGETATION AND PLANTING NOTES
1. SOIL PREPARATION ELEMENTS, TEMPORARY AND
PERMANENT SEED, AND GROUND COVER SHALL BE SPREAD
OVER ALL AREAS WITHIN THE LOD THAT ARE DISTURBED
DURING CONSTRUCTION.
2. CONTAINERIZED PLANTS AND BARE ROOT STOCK SHALL BE
LOCATED WHERE SHOWN ON PLAN.
3. ADJUSTMENTS TO THE VEGETATION PLAN SHALL BE MADE
ONLY IF APPROVED BY THE PROJECT OWNER AND ENGINEER.
4. FINAL VEGETATION SPECIES SELECTION MAY CHANGE DUE
TO REFINEMENT OR SPECIES AVAILABILITY AT THE TIME OF
PLANTING. SPECIES SUBSTITUTIONS WILL BE COORDINATED
BETWEEN THE ENGINEER AND PLANTING CONTRACTOR
PRIOR TO THE PROCUREMENT OF PLANT/SEED STOCK.
5. LARGER NATIVE TREE SPECIES TO BE PRESERVED WILL BE
FLAGGED BY THE ENGINEER PRIOR TO CONSTRUCTION
ACTIVITIES. ANY TREES HARVESTED FOR WOODY MATERIAL
WILL BE UTILIZED TO PROVIDE BED AND BANK STABILIZATION
AND COVER OR NESTING HABITAT ON THE FLOODPLAIN. ANY
EXCESS WOODY MATERIALS MAY USED TO BACKFILL OLD
CHANNELS AT THE DIRECTION OF THE ENGINEER.
6. ALL DISTURBED AREAS WILL BE STABILIZED USING
TEMPORARY AND PERMANENT SEEDING AS DEFINED IN THE
SEEDING SCHEDULE(S) AND THE APPROVED E&SC PLANS.
7. SUPPLEMENTAL PLANTING ACTIVITIES MAY BE REQUIRED
WITHIN CONSERVATION EASEMENT(S), IF PRESENT.
TEMPORARY SEEDING AND MULCHING NOTES
8. TEMPORARY SEEDING AND MULCHING SHALL BE APPLIED TO
ALL AREAS AND ACCESS ROUTES DISTURBED DURING
CONSTRUCTION.
9. ALL SEED AND SEED VARIETIES MUST BE FREE OF STATE AND
FEDERALLY LISTED NOXIOUS WEED SEED AND INVASIVE
SPECIES.
10. ALL DISTURBED AREAS WILL BE SEEDED WITH TEMPORARY
SEED AND MULCHED WITH WHEAT STRAW. SEEDING WILL BE
PERFORMED USING A BROADCAST SPREADER. OTHER
METHODS MAY BE USED BUT MUST BE APPROVED BY
ENGINEER IN ADVANCE OF INSTALLATION.
11. MAINTENANCE OF SEEDED AREAS SHALL CONSIST OF
WATERING, WEED AND PEST CONTROL, FERTILIZATION,
EROSION REPAIR, RESEEDING, AND INCIDENTAL OPERATIONS
AS NECESSARY TO ESTABLISH A HEALTHY, VIGOROUS, WEED
FREE AND DISEASE FEE UNIFORM STAND OF GRASS. ALL
AREAS WHICH FAIL TO SHOW A UNIFORM STAND OF GRASS
FOR ANY REASON SHALL BE TREATED REPEATEDLY UNTIL A
UNIFORM STAND OF AT LEAST 90% COVERAGE IS ATTAINED
WITH NO BARE AREA GREATER THAN FIVE (5) SQUARE FEET.
PERMANENT SEEDING NOTES
12. PERMANENT SEEDING SHALL OCCUR IN CONJUNCTION WITH
TEMPORARY SEEDING WHERE APPLICABLE. IDEALLY,
PERMANENT SEEDING SHALL OCCUR DURING THE PLANTING
SEASON FOR EACH SEED TYPE. AREAS FERTILIZED FOR
TEMPORARY SEEDING SHALL BE SUFFICIENTLY FERTILIZED
FOR PERMANENT SEEDING; ADDITIONAL FERTILIZER IS NOT
REQUIRED FOR PERMANENT SEEDING.
13. ALL SEED AND SEED VARIETIES MUST BE FREE OF STATE AND
FEDERALLY LISTED NOXIOUS WEED SEED AND INVASIVE
SPECIES.
14. THE CONTRACTOR SHALL LOOSEN THE SOIL TO A MINIMUM
DEPTH OF 4-INCHES AND GRADE TO A SMOOTH, EVEN
SURFACE WITH A LOOSE, UNIFORMLY FINE TEXTURE. THE
AREAS TO BE SEEDED ARE THEN TO BE ROLLED AND RAKED
TO REMOVE RIDGES AND FILL DEPRESSIONS TO MEET FINISH
GRADES. THE CONTRACTOR IS TO LIMIT SUB GRADE AND
FINISH GRADE PREPARATION TO AREAS THAT WILL BE
PLANTED IMMEDIATELY. PREPARED AREAS ARE TO BE
RESTORED IF ERODED OR OTHERWISE DISTURBED AFTER
FINE GRADING AND BEFORE PLANTING.
15. SEED SHALL BE SOWN WITH A SPREADER OR A SEEDING
MACHINE. SEED IS NOT TO BE BROADCAST OR DROPPED
WHEN WIND VELOCITY EXCEEDS 5 MPH. SEED SHALL BE
EVENLY DISTRIBUTED BY SOWING IN TWO DIRECTIONS AT
RIGHT ANGLES TO EACH OTHER. WET SEED OR SEED THAT IS
MOLDY OR OTHERWISE DAMAGED IN TRANSIT OR STORAGE IS
NOT TO BE USED. AFTER BEGIN SOWN, THE SEED SHALL BE
RAKED INTO THE TOP 1/4 INCH OF THE TOPSOIL, LIGHTLY
ROLLED, AND WATERED WITH FINE SPRAY. SEEDED AREAS
ON STREAM BANKS SHALL BE PROTECTED WITH COIR FIBER
MATTING.
BARE ROOTS, LIVE STAKES, & CUTTINGS
16. CUTTINGS SHOULD BE INSTALLED THE SAME DAY THEY ARE
CUT. THE STAKE SHOULD BE ORIENTED WITH BUDS POINTED
UPY AND THE BOTTOM SHOULD BE CUT AT AN ANGLE FOR
EASY INSERTION INTO THE GROUND.
17. ABOUT3/40F THE LENGTH OF THE STAKE SHOULD BE BELOW
GROUND AND ANGLED DOWNSTREAM. AN IRON BAR CAN BE
USED TO MAKE A PILOT HOLE TO PREVENT BARK DAMAGE
DURING INSTALLATION.
CONTAINER STOCK
18. STOCK SHALL HAVE BEEN GROWN IN A CONTAINER LONG
ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED
SUFFICIENTLY TO HOLD ITS SOIL TOGETHER ONCE REMOVED
FROM THE CONTAINER.
19. CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY
AND PLACED IN SHADY CONDITIONS UNTIL PLANTING
OCCURS.CREATE PLANTING AREA FOR EACH PLANT AND
EXCAVATE PIT.
20. THE DIAMETER OF THE PLANTING HOLES (PITS) FOR EACH
21. PLANT SHOULD BE AT LEAST THREE TIMES THE DIAMETER OF
THE ROOT MASS. SCARIFY THE PLANTING PIT PRIOR TO EACH
PLANT INSTALLATION.
22. SET PLANTS UPRIGHT IN THE CENTER OF THE PIT. THE
BOTTOM OF THE ROOT MASS SHOULD BE RESTING ON
UNDISTURBED SOIL.
23. PLACE BACKFILL AROUND BASE AND SIDES OF ROOT MASS,
AND WORK EACH LAYER TO SETTLE BACKFILL AND TO
ELIMINATE VOIDS AND AIR POCKETS. WHEN PIT IS
APPROXIMATELY 2/3 FULL, WATER THOROUGHLY BEFORE
PLACING REMAINDER OF THE BACKFILL. WATER AGAIN AFTER
PLACING FINAL LAYER OF BACKFILL. PREVENT BARK FROM
BEING DAMAGED DURING INSTALLATION.
SOIL SPREADING
24. AREAS OF SOIL SPREADING SHALL BE STABILIZED USING
TEMPORARY SEEDING AS DEFINED IN THE SEEDING
SCHEDULE AND THE APPROVED EROSION AND
SEDIMENTATION CONTROL PLANS.
ZONE 1: STREAMBANK
25. LIVESTAKES AND HERBACEOUS PLUGS LISTED IN THE
PLANTING SCHEDULE SHALL BE PLANTED IN OFFSET ROWS
AT A DENSITY OF 4,840 STEMS PER ACRE (3.01 O.C.) FROM TOE
OF THE RESTORED CHANNEL TO 3.0'OUTSIDE THE BANKFULL
STAGE. HERBACEOUS PLUGS SHALL BE PLANTED ALONG THE
TOE OF THE CHANNEL.
ZONE 2: RIPARIAN BUFFER
26. WOODY SPECIES LISTED IN THE PLANTING SCHEDULE SHALL
BE PLANTED IN OFFSET ROWS AT A DENSITY OF 440 STEMS
PER ACRE (10.01 O.C.) FROM 3.01 OUTSIDE THE BANKFULL
STAGE TO THE GRADING LIMITS. EXACT PLACEMENT OF THE
SPECIES SHALL BE DETERMINED BY THE CONTRACTOR'S
VEGETATION SPECIALIST PRIOR TO SITE PLANTING AND
BASED ON THE WETNESS CONDITIONS OF PLANTING
LOCATIONS.
ZONE 3: UPLAND
27. FOLLOW SPECIES LIST AND APPLICATION RATE OF
PERMANENT RIPARIAN PLANT/SEEDING.
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): NTS
SCALE (1 7"Xl 1 "): NTS
NOT TO SCALE
SHEET NUMBER
6.2

PLANTING SCHEDULES
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DATE
TYPE
APP. RATE (LBS AC)
MOUNTAINS, ABOVE 2500 FEET- FEB 15 - MAY 15
MOUNTAINS, BELOW 2500 FEET: FEB 1 - MAY 1
PIEDMONT: JAN 1 - MAY 1
COASTAL PLAIN- DEC 1 - APR 15
RYE GRAIN (Secale cereale)
120
COMMON OATS (Avena sativ)
100
RED CLOVER (Trifolium incarnatum)
20
GROUND AG. LIMESTONE
2,000
10-10-10 FERTILIZER
750
STRAW MULCH
4,000
MOUNTAINS- MAY 15 - AUG 15
PIEDMONT: MAY 1 -AUG 15
COASTAL PLAIN: APR 15 - AUG 15
GERMAN MILLET (Setaria italica)
40
COMMON OATS (Avena sativ)
100
RED CLOVER (Trifolium incarnatum)
20
GROUND AG. LIMESTONE
2,000
10-10-10 FERTILIZER
750
STRAW MULCH
4,000
MOUNTAINS- AUG 15 - DEC 15
COASTAL PLAIN AND PIEDMONT: AUG 15 - DEC 30
RYE GRAIN (Secale cereale)
120
COMMON OATS (Avena sativ)
100
RED CLOVER (Trifolium incarnatum)
20
GROUND AG. LIMESTONE
2,000
10-10-10 FERTILIZER
750
[STRAW MULCH
4,000
PERMANENT RIPARIAN PLANT / SEEDING - 25 LBS / AC
SPECIES
COMMONNAME
PERCENT
Juncus effusus
COMMON RUSH
15%
Coreopsis lanceolata
LANCE LEAF TICKSEED
15%
Andropogon gerardi
BIG BLUESTEM
5%
Schizachyrium scoparium
LITTLE BLUESTEM
5%
Rudbeckia hirta
BLACK-EYED SUSAN
15%
Chamaecrista (Cassia) fasciculata
SHOWY PARTRIDGE PEAR
15%
Lobelia cardinalis
CARDINAL FLOWER
15%
Helianthus angustifolius
SWAMP SUNFLOWER
15%
TOTAL
100%
ZONE 1 - STREAMBANK - 3v O.C. (4,840 STEMS / AC)
SPECIES
COMMONNAME
% OF STEMS
LIVE STAKES
Comusamomum
SILKY DOGWOOD
40%
Salix sericea
SILKY WILLOW
30%
Sambucus canadensis
ELDERBERRY
15%
Physocarpus opulifolius
NINEBARK
15%
TOTALI
100%
HERBACEOUS PLUGS
Juncus effusus
COMMON RUSH
60%
Carex alata
BROADWING SEDGE
40%
TOTAL
100%
ZONE 2 - RIPARIAN BUFFER - 101 O.C. (440 STEMS AC)
SPECIES
COMMONNAME
% OF STEMS
OVERSTORY (60%)
Betula nigra
RIVER BIRCH
10%
Platanus occidentalis
SYCAMORE
10%
Nyssa sylvatica
BLACK GUM
6%
Liriodendron tulipifera
YELLOW POPLAR
6%
Aesculus octandra
YELLOW BUCKEYE
6%
Tilia americana
AMERICAN BASSWOOD
6%
Acer rubum
RED MAPLE
10%
Quercus alba
WHITE OAK
6%
UNDERSTORY (40%)
Diospyros virginiana
PERSIMMON
5%
Alnus serrulata
HAZELALDER
5%
Asimina triloba
PAWPAW
5%
Calycanthus floridus
SWEET SHRUB
5%
Hamamelis virginiana
WITCH HAZEL
5%
Lindera benzoin
SPICEBUSH
5%
Carpinus caroliniana
IRONWOOD
5%
Oxydendrum arboreum
SOURWOOD
5%
TOTAL
100%
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
DATE: 1/22/2024
SCALE (34"X22"): NTS
SCALE (1 7"Xl 1 "): NTS
NOT TO SCALE
SHEET NUMBER
6.3