20220938 Ver 1_USACE Permit_20220908

Action Id. SAW-2022-01533
Permittee:
Address:
U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
County: Guilford U.S.G.S. Quad: NC-Gibsonville
GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION
Piedmont Conservation Council
Attn: Emma Jablonski
201 East Main Street, 5th Floor
Durham, NC 27701
Size (acres) -0.33 Nearest Town Gibsonville
Nearest Waterway Rock Creek River Basin Cape Fear
USGS HUC 03030002 Coordinates 36.065605, -79.599512
Location description: The project area is located along Rock Creek, between Golf House Road East and US Highway 70, in
Gibsonville, Guilford County, North Carolina.
Description of projects area and activity: This verification authorizes the permanent discharge of fill material (not a loss of
waters of the US) into 0.081 acre (107 linear feet) of stream channel, necessary to stabilize a section of Rock Creek using
natural channel design principles, to protect an existing greenway.
Applicable Law(s): © Section 404 (Clean Water Act, 33 USC 1344)
❑ Section 10 (Rivers and Harbors Act, 33 USC 403)
Authorization: Nationwide Permit 13. Bank Stabilization
SEE ATTACHED NWP GENERAL, REGIONAL, AND/OR SPECIAL CONDITIONS
Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached
Conditions, your application signed and dated 7/12/2022, and the enclosed plans "Rock Creek Streambank Restoration Impacts
Exhibit", and "Rock Creek Streambank Restoration Construction Drawings", Sheets C0.00, C1.00, C3.00, C6.00, C6.01, C6.02,
C6.03, C8.00, and L5.00. Any violation of the attached conditions or deviation from your submitted plans may subject the
permittee to a stop work order, a restoration order, a Class I administrative penalty, and/or appropriate legal action.
This verification will remain valid until the expiration date identified below unless the nationwide and/or regional general permit
authorization is modified, suspended or revoked. If, prior to the expiration date identified below, the nationwide and/or regional general
permit authorization is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided
it complies with all requirements of the modified nationwide permit. If the nationwide and/or regional general permit authorization
expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the
nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon
the nationwide and/or regional general permit, will remain authorized provided the activity is completed within twelve months of the
date of the nationwide and/or regional general permit's expiration, modification or revocation, unless discretionary authority has been
exercised on a case -by -case basis to modify, suspend or revoke the authorization.
Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You
should contact the NC Division of Water Resources (telephone [phone]) to determine Section 401 requirements.
For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior
to beginning work you must contact the N.C. Division of Coastal Management.
This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State
or local approvals/permits. If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of
Engineers regulatory program, please contact David E. Bailey at [phone] or [e-mail].
Corps Regulatory Official: Date: 2022.09.08 14:57:11 04'00' Date: 09/08/2022
Expiration Date of Verification: 3/14/2026

The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we continue to do so,
please complete the Customer Satisfaction Survey located at https://regulatory.ops.usace.army.mil/customer-service-survey/.
Copy furnished electronically:
Jennifer Burdette, Natural Resource Consultants
Sue Homewood, NCDEQ-DWR

Site Plan
M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\McAdams-TitleBlock-24x36-Cover.dwg, 7/7/2022 12:39:35 PM, Cameron Jernigan
VICINITY MAP
N.T.S.
ROCK CREEK
STREAMBANK RESTORATION
932 GOLF HOUSE ROAD E
WHITSETT, NC 27377
CONSTRUCTION DRAWINGS
PROJECT NUMBER: STN-2101.O1
DATE: DULY 7, 2022
Know what's below.
Call before you dig.
SITE DATA TABLE
PROJECT AREA
0.33 AC
DISTURBED AREA
0.33 AC
PIN
8824221711;
8824332596;
8824330268
STREAM NAME
ROCK CREEK
RIVER BASIN
CAPE FEAR
8-DIGIT HUC
03030002
RIPARIAN BUFFER ORDINANCE
JORDAN LAKE
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 "NC811".
REPORT ANY DISCREPANCIES TO THE ENGINEER IMMEDIATELY.
SHEET INDEX
C0.00
C1.00
C3.00
C6.00-C6.01
C6.02-C6.03
C8.00
L5.00
PROJECT NOTES
EXISTING CONDITIONS
GRADING PLAN
EROSION CONTROL PLAN
EROSION CONTROL DETAILS
STREAM DETAILS
PLANTING PLAN
LIMITS OF DISTURBANCE
0.33 AC
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CONTACT
REBECCA STUBBS, PE
[e-mail]
PHONE: [phone]
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
PROJECT DIRECTORY
PROJECT OWNER
STONEY CREEK HOA
PROJECT SPONSOR
GUILFORD COUNTY SWCD
`•� SEAL
049073
•'*...LC I NEF.�:•' C
CCA • .,
REVISIONS
NO.
DATE
CONSTRUCTION
DRAWINGS FOR:
ROCK CREEK
STREAMBANK RESTORATION
WHITSETT, NC 27377
PROJECT NUMBER: STN-2101.01

\\DUR-X3\MDrive\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-XC.dwg, 7/8/2022 2:01:53 PM, Cameron Jernigan
GENERAL NOTES:
1. CONTRACTOR SHALL OBTAIN ALL NECESSARY LICENSES AND PERMITS REQUIRED TO COMPLETE THE
WORK INCLUDED IN THE CONTRACT DOCUMENTS AT THE CONTRACTOR'S EXPENSE.
2. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THAT THEY AND THEIR SUBCONTRACTOR'S HAVE THE
CORRECT/MOST UP-TO-DATE PLANS AVAILABLE.
3. CONTRACTOR SHALL GIVE MINIMUM 72 HOURS NOTICE TO THE STONEY CREEK HOA AND PROJECT
ENGINEER PRIOR TO CONSTRUCTION.
4. ALL WORK WITHIN JURISDICTIONAL BOUNDARIES (WETLAND AND STREAMS) SHALL BE PERFORMED IN
STRICT ACCORDANCE WITH APPROVED NATIONWIDE PERMIT. THE CONTRACTOR MUST COMPLY WITH
THE NATIONWIDE PERMITS GENERAL CONDITIONS, WILMINGTON DISTRICT REGIONAL CONDITIONS AND
THE SPECIAL CONDITIONS.
5. CONSTRUCTION OPERATIONS SHALL BE CARRIED OUT IN SUCH A MANNER THAT EROSION AND WATER
POLLUTION IS MINIMIZED.
6. IF THE CONTRACTOR, IN THE COURSE OF WORK, FINDS ANY DISCREPANCIES IN THE PLANS OR NOTES
GIVEN BY THE PROJECT ENGINEER, IT SHALL BE HIS/HER DUTY IMMEDIATELY INFORM THE PROJECT
ENGINEER, IN WRITING, AND THE PROJECT ENGINEER WILL PROMPTLY VERIFY THE SAME. ANY WORK
DONE AFTER SUCH DISCOVERY, UNTIL AUTHORIZED, WILL BE AT THE CONTRACTOR'S RISK.
7. ANY DAMAGE TO PRIVATE PROPERTY AND/OR EXISTING UTILITIES INCURRED DURING CONSTRUCTION
ACTIVITIES SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR.
8. ALL MECHANIZED EQUIPMENT OPERATED NEAR SURFACE WATERS SHALL BE INSPECTED AND
MAINTAINED REGULARLY TO PREVENT CONTAMINATION OF SURFACE WATERS FROM FUELS,
LUBRICANTS, HYDRAULIC FLUIDS, OR OTHER TOXIC MATERIALS. CONSTRUCTION SHALL BE STAGED IN
ORDER TO MINIMIZE THE EXPOSURE OF EQUIPMENT TO SURFACE WATERS TO THE MAXIMUM EXTENT
PRACTICABLE. FUELING, LUBRICATION, AND GENERAL EQUIPMENT MAINTENANCE SHALL BE PERFORMED
IN A MANNER TO PREVENT, TO THE MAXIMUM EXTENT PRACTICABLE, CONTAMINATION OF SURFACE
WATERS BY FUELS AND OILS.
9. HEAVY EQUIPMENT WORKING IN WETLANDS SHALL BE PLACED ON MATS OR OTHER MEASURES SHALL BE
TAKEN TO MINIMIZE SOIL DISTURBANCE.
EXISTING CONDITION & DEMOLITION NOTES:
1. THERE SHALL BE NO DEMOLITION ACTIVITIES UNTIL AFTER A PRE -CONSTRUCTION MEETING HAS TAKEN
PLACE.
2. ALL MATERIAL TO BE DEMOLISHED SHALL BE REMOVED FROM THE SITE AND DISPOSED OF AT A PERMITTED
SITE IN ACCORDANCE WITH ALL LOCAL, STATE AND FEDERAL LAWS.
3. EXISTING UTILITIES AND STRUCTURES SHOWN, BOTH UNDERGROUND AND ABOVE GROUND, ARE BASED
ON A FIELD SURVEY AND THE BEST AVAILABLE RECORD DRAWINGS. THE CONTRACTOR SHALL VERIFY FIELD
CONDITIONS PRIOR TO BEGINNING RELATED CONSTRUCTION. ANY DISCREPANCIES SHALL BE REPORTED TO
THE ENGINEER IMMEDIATELY.
4. TOPOGRAPHIC DATA WITHIN THE PROJECT AREA IS FROM FIELD SURVEY PERFORMED BY JOHN R.
McADAMS COMPANY. QL2 LIDAR TOPOGRAPHIC DATA OUTSIDE OF THE PROJECT AREA WAS OBTAINED
FROM NCEM RISK MANAGEMENT SPATIAL DATA DOWNLOAD. ALL GEOSPATIAL DATA IS SET TO NAD83
NORTH CAROLINA STATE PLANE, NAVD88.
5. PROPERTY LINES SHOWN ARE FROM GUILFORD COUNTY GIS AND NOT SURVEYED.
6. EXISTING UTILITIES PRESENT WITHIN THE LIMITS OF DISTURBANCE SHOULD BE PROTECTED DURING ALL
CONSTRUCTION ACTIVITIES.
7. BEDROCK MAY BE PRESENT WITHIN THE PROJECT AREA. SHOULD BEDROCK BE ENCOUNTERED DURING
CONSTRUCTION, CONTRACTOR SHALL NOTIFY DESIGN ENGINEER IMMEDIATELY.
CONSTRUCTION SEQUENCE:
1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.
2. OBTAIN AN APPROVED (STAMPED) EROSION & SEDIMENT CONTROL PLAN AND KEEP IT ON -SITE EITHER IN
THE INSPECTION BOX, CONSTRUCTION OFFICE, OR WITH THE CONTRACTOR.
3. SCHEDULE AND HOLD AN ON -SITE PRE -CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO
BEGINNING ANY LAND -DISTURBING ACTIVITIES. THE CONFERENCE SHOULD BE ATTENDED BY THE
GENERAL CONTRACTOR, ANY SUBCONTRACTORS, THE ENGINEER, AND A REPRESENTATIVE OF THE
OWNER.
4. 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
"NC811". REPORT ANY DISCREPANCIES TO THE ENGINEER IMMEDIATELY.
5. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD VERIFIED BY THE CONTRACTOR
PRIOR TO CONSTRUCTION. CONTRACTOR SHALL NOTIFY THE ENGINEER IF ANY DISCREPANCIES EXIST
PRIOR TO PROCEEDING WITH CONSTRUCTION, FOR NECESSARY PLAN OR GRADE CHANGES. NO EXTRA
COMPENSATION SHALL BE PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS OR
GRADES SHOWN INCORRECTLY ON THESE PLANS IF SUCH NOTIFICATION HAS NOT BEEN GIVEN.
6. ESTABLISH CONSTRUCTION ENTRANCE (SEE DETAIL ON SHEET C6.01) AND STAGING AREA. TEMPORARY
DRIVEWAY PERMIT FOR CONSTRUCTION ENTRANCES IN NCDOT RIGHT OF WAY MUST BE PRESENTED AT
PRE -CONSTRUCTION MEETING.
7. INSTALL SILT FENCE, INLET PROTECTION, SEDIMENT TRAPS, DIVERSION DITCHES, TREE PROTECTION, AND
OTHER MEASURES AS SHOWN ON PLANS, CLEARING ONLY AS NECESSARY TO INSTALL THESE DEVICES.
8. LIMITS OF DISTURBANCE SHALL BE MARKED BY SAFETY FENCING EITHER WITH SILT FENCE OR ORANGE
TREE PROTECTION FENCE (SEE DETAIL ON SHEET C6.01).
9. USE THE AREA DESIGNATED ON THE PLANS FOR ALL STAGING ACTIVITIES RELATED TO THE PROJECT.
10. PARK ALL CONSTRUCTION EQUIPMENT, INCLUDING TRUCKS AND HEAVY EQUIPMENT WITHIN THE LIMITS
OF DISTURBANCE.
11. WHEN ACCESS TO A CONSTRUCTION AREA REQUIRES CROSSING A DELINEATED JURISDICTIONAL FEATURE,
OUTSIDE OF THE AREAS SHOWN TO BE REGRADED AND STABILIZED ON THE PLANS, IMPACTS SHALL BE
MINIMIZED BY PLACING A TEMPORARY STREAM/WETLAND CROSSING ACROSS THE FEATURE PRIOR TO
ACCESSING THE AREA WITH HEAVY EQUIPMENT PER APPROVED PLANS AND SPECIFICATIONS. SEE DETAIL
SHEETS C6.01 FOR TEMPORARY STREAM AND WETLAND CROSSINGS.
12. INSTALL REMAINING EROSION CONTROL MEASURES AS SHOWN ON SHEETS C6.00 THROUGH C6.02.
CLEAR AND GRUB ONLY AS NECESSARY TO INSTALL THESE DEVICES.
13. BEGIN GRADING ACTIVITIES. IN GENERAL, THE CONTRACTOR SHALL WORK FROM UPSTREAM TO
DOWNSTREAM AND CONSTRUCTION IN A LIVE CHANNEL UTILIZE A PUMP -AROUND OR FLOW DIVERSION
MEASURE AS SHOWN ON THE PLANS. MAINTAIN AND ADJUST E & SC MEASURES AS GRADING
PROGRESSES.
14. CONTRACTOR SHALL EXCAVATE THE PROPOSED CHANNEL AND MODIFY PORTIONS OF THE EXISTING
CHANNEL BASED ON RIFFLE ELEVATIONS IN SECTIONS NO GREATER THAN 300' IN LENGTH AT A TIME
(EXCEPT WHERE LONGER SECTIONS ARE NECESSARY TO MAINTAIN CONSTRUCTABILITY).
15. AT THE END OF EACH WORKING DAY, THE CONTRACTOR WILL BE RESPONSIBLE FOR THE APPLICATION OF
SEED AND STRAW, AS APPLICABLE, TO NEWLY ESTABLISHED STREAMBANKS AND DISTURBED AREAS.
EROSION CONTROL MATTING WILL BE INSTALLED ON TOP OF THE SEED AND STRAW IN ACCORDANCE
WITH THE EROSION CONTROL CONSTRUCTION SEQUENCE.
16. AFTER EXCAVATING THE CHANNEL TO DESIGN GRADES, INSTALLING IN -STREAM STRUCTURES, SEED AND
MULCH, MATTING, AND TRANSPLANTS, THE NEW CHANNEL CAN RECEIVE FLOW AFTER APPROVAL BY THE
ENGINEER.
17. WATER WILL BE TURNED INTO THE CONSTRUCTED CHANNEL ONCE THE AREA IN AND AROUND THE NEW
CHANNEL HAS BEEN STABILIZED. NO WATER SHALL BE TURNED INTO ANY SECTION OF CHANNEL PRIOR
TO THE CHANNEL BEING COMPLETELY STABILIZED WITH ALL STRUCTURES INSTALLED.
18. ANY GRADING ACTIVITIES ADJACENT TO THE STREAM CHANNEL SHALL BE COMPLETED PRIOR TO
TURNING WATER INTO THE NEW STREAM CHANNEL SEGMENTS. THE CONTRACTOR SHALL NOT GRADE
OR ROUGHEN ANY AREAS WHERE EXCAVATION ACTIVITIES HAVE NOT BEEN COMPLETED.
19. THE CONTRACTOR SHALL DILIGENTLY AND CONTINUOUSLY MAINTAIN ALL EROSION CONTROL DEVICES
AND STRUCTURES.
20. WHEN APPLICABLE, THE LAND DEVELOPMENT INSPECTOR SHOULD BE CALLED TO CONDUCT INSPECTIONS
ON STORM DRAINAGE, SIDEWALKS, DRIVE WAY IMPROVEMENTS, AND ALL ASPECTS OF ROAD
CONSTRUCTION.
21. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISHED GRADE. AT THE CONCLUSION OF GRADING AND
CONSTRUCTION OR IF LAND -DISTURBING ACTIVITY STOPPED FOR MORE THAN 14 CONSECUTIVE
CALENDAR DAYS, PERMANENT VEGETATIVE COVER SHALL BE INSTALLED ACCORDING TO SHEET L5.00.
22. CONTRACTOR SHALL PLANT WOODY VEGETATION AND LIVE STAKES, ACCORDING TO PLANTING DETAILS
AND SPECIFICATIONS. THE CONTRACTOR SHALL COMPLETE THE LIVE STAKING AND REFORESTATION
(BARE -ROOT PLANTING) PHASE OF THE PROJECT AND APPLY PERMANENT SEEDING AT THE APPROPRIATE
TIME OF YEAR.
23. COORDINATE WITH EROSION CONTROL INSPECTOR PRIOR TO REMOVAL OF ANY EROSION CONTROL
MEASURES.
24. STABILIZE ALL DISTURBED AREAS. REMOVE STAGING AREA AND CONSTRUCTION ENTRANCE.
25. REMOVE ALL EROSION CONTROL MEASURES.
26. DEMOBILIZE ALL EQUIPMENT AND MATERIALS FROM SITE.
27. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE N. C. EROSION
AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.
GENERAL WATERSHED NOTES:
1. THIS PROPERTY IS LOCATED WITHIN THE WATER SUPPLY WATERSHED (WSW) FOR LAKE MACKINTOSH
(BIG ALAMANCE CREEK), A TRIBUTARY TO THE JORDAN LAKE WSW. THE BIG ALAMANCE CREEK
WATERSHED IS CLASSIFIED AS WATER SUPPLY IV (WS-IV). THE PROPERTY IS LOCATED WITHIN THE
GENERAL WATERSHED AREA OF BIG ALAMANCE CREEK. DEVELOPMENT RESTRICTIONS MAY APPLY.
RIPARIAN BUFFER & STREAM NOTES:
1. THIS PROPERTY IS LOCATED WITHIN THE JORDAN LAKE WATERSHED WHERE ASSOCIATED RIPARIAN
BUFFER RULES APPLY.
2. JURISDICTIONAL STREAMS, WETLANDS, AND OTHER WATERS OF THE U.S. ARE SUBJECT TO USACE AND
NCDEQ REGULATIONS. REQUIRED APPROVALS AND PERMITS MUST BE OBTAINED FROM USACE AND
NCDEQ PRIOR TO IMPACTS TO JURISDICTIONAL STREAMS, WETLANDS AND OTHER WATERS OF THE U.S.
THE OWNER AND CONTRACTOR ARE RESPONSIBLE FOR ENSURING ALL APPROPRIATE PERMITS HAVE BEEN
OBTAINED PRIOR TO CONSTRUCTION.
3. BUFFER AUTHORIZATION APPLICATION MUST BE APPROVED BY GUILFORD COUNTY (OR NCDEQ FOR
PROJECTS REQUIRING THEIR REVIEW OF BUFFERS) PRIOR TO LAND DISTURBANCE WITHIN A RIPARIAN
BUFFER, UNLESS THE LAND DISTURBANCE IS EXPLICITLY STATED AS AN "EXEMPT" USE IN THE GUILFORD
COUNTY UDO AND NCAC RULES THAT APPLY.
4. RESTORE DISTURBED AREAS OF RIPARIAN BUFFERS TO PRE -CONSTRUCTION VEGETATIVE AND
HYDROLOGIC CONDITIONS WITH COMPARABLE NATIVE VEGETATION AS SOON AS PRACTICABLE DURING
CONSTRUCTION. TREE PLANTINGS MAY OCCUR DURING THE DORMANT SEASON. A ONE-TIME
APPLICATION OF FERTILIZER MAY BE USED TO ESTABLISH VEGETATION.
5. TREE TRIMMING AND OTHER VEGETATION MANAGEMENT IN RIPARIAN BUFFER ZONE 2 (20') SHALL NOT
RESULT IN IMPACTS TO VEGETATION IN RIPARIAN BUFFER ZONE 1 (30').
6. RIPARIAN BUFFER ZONE 1 MUST REMAIN UNDISTURBED. REMOVAL OF VEGETATION IS NOT ALLOWED
EXCEPT FOR THE BELOW EXEMPT ACTIVITIES THAT DO NOT REQUIRE BUFFER AUTHORIZATION:
a. REMOVAL OF INDIVIDUAL TREES THAT ARE IN DANGER OF CAUSING DAMAGE TO DWELLINGS,
OTHER STRUCTURES OR HUMAN LIFE, OR ARE IMMINENTLY ENDANGERING STABILITY OF THE
STREAMBANK.
b. REMOVAL OF INDIVIDUAL TREES WHICH ARE DEAD, DISEASED OR DAMAGED.
c. REMOVAL OF POISON IVY.
d. REMOVAL OF INVASIVE EXOTIC VEGETATION AS DEFINED IN: SMITH, CHERRI L. 1998. EXOTIC PLANT
GUIDELINES. DEPT. OF ENVIRONMENT AND NATURAL RESOURCES. DIVISION OF PARKS AND
RECREATION. RALEIGH, NC. GUIDELINE #30
7. PLANTING VEGETATION TO ENHANCE THE RIPARIAN BUFFER IS ALLOWED, AS LONG AS NO VEGETATION IS
REMOVED FROM ZONE 1. PRUNING FOREST VEGETATION IS ALSO ALLOWED, PROVIDED THAT THE
HEALTH AND FUNCTION OF THE FOREST VEGETATION IS NOT COMPROMISED.
FLOODPLAIN NOTES
1. A SPECIAL FLOOD HAZARD AREA (SFHA) EXISTS ON THE PROPERTY BASED ON FIRM MAP NUMBER
3710882400J WITH EFFECTIVE DATE JUNE 18, 2007.
2. NO DEVELOPMENT OR LAND DISTURBANCE IS ALLOWED WITHIN THE SFHA (A.K.A. 1% ANNUAL CHANCE
SFHA OR 100-YEAR FLOODPLAIN) UNLESS APPROVED BY GUILFORD COUNTY VIA A FLOODPLAIN
DEVELOPMENT PERMIT. NO DEVIATIONS FROM THE APPROVED PLAN FOR PROPOSED WORK IN THE SFHA
SHALL BE MADE, UNLESS OTHERWISE REQUESTED BY THE APPLICANT AND APPROVED IN WRITING BY
GUILFORD COUNTY PRIOR TO WORK BEING PERFORMED.
3. NO FILL IS ALLOWED WITHIN THE SPECIAL FLOOD HAZARD AREA (SFHA) PER GUILFORD COUNTY UDO
SECTION 9.3.P.1.P. EXCEPT FOR MINOR FILLING FOR PROJECTS THAT RESTORE NATURAL FLOODPLAIN
FUNCTIONS AND ARE APPROVED VIA ISSUANCE OF A FLOODPLAIN DEVELOPMENT PERMIT.
4. THE 1% ANNUAL CHANCE SFHA AND FLOODWAY LIMITS WITHIN 50' OF PROPOSED LIMITS OF
DISTURBANCE SHALL BE STAKED BY A PROFESSIONAL LICENSED SURVEYOR PRIOR TO CONSTRUCTION.
STAKING SHALL BE MAINTAINED THROUGHOUT CONSTRUCTION AND SHALL NOT BE REMOVED UNTIL
AFTER FINAL INSPECTION BY THE GUILFORD COUNTY FLOODPLAIN ADMINISTRATOR OR THEIR ASSIGNS IS
APPROVED.
5. FLOODPLAIN DEVELOPMENT PERMIT CLOSE-OUT REQUIREMENTS:
a. PROVIDE AS -BUILT SURVEY CERTIFIED BY A LICENSED PROFESSIONAL SURVEYOR SHOWING ANY
DEVIATION FROM PERMITTED PLANS.
b. PROVIDE PHOTO DOCUMENTATION OF RESTORED AREAS TO THE GUILFORD COUNTY WATERSHED
SECTION.
c. FINAL INSPECTION BY GUILFORD COUNTY WATERSHED SECTION UPON RECEIPT OF ABOVE
COMPLETED INFORMATION.
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
WHITSETT, NC 27377
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049073
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
STN-2101.01
STN2101-XC
RAS
CHJ
N.T.S.
07. 07. 2022
PROJECT NOTES
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The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
CLIENT
PIEDMONT CONSERVATION COUNCIL
DURHAM, NC 27701
PHONE: [phone]
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REVISIONS
NO. DATE
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RAS
CHJ
07. 07. 2022
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I —
LEGEND AND SYMBOLS
250
FW
100 rR
Lo
Lo
PROPOSED MAJOR CONTOUR
PROPOSED MINOR CONTOUR
EXISTING
EXISTING
EXISTING
EXISTING
EXISTING
EXISTING
MAJOR CONTOUR
MINOR CONTOUR
TOP OF BANK
TOE OF BANK
STREAM THALWEG
JORDAN LAKE BUFFER ZONES
EFFECTIVE FEMA FLOODWAY
EFFECTIVE FEMA 100—YR FLOODPLAIN
PROPOSED STREAM CENTERLINE
LIMITS OF DISTURBANCE
PROPERTY LINE
UTILITY EASEMENT
PROPOSED RIFFLE MATERIAL
PROPOSED VEGETATED SOIL LIFT
PROPOSED BOULDER J—HOOK
PROPOSED BOULDER TOE
EXISTING
GRADE
EXISTING
GRADE
NORTH CAROLINA PIEDMONT
REGIONAL CURVE STATISTICS
ABKF = 103.1 FT2
WBKF = 33.3 FT
DBKF = 3.2 FT
DRAINAGE AREA = 10.03 MI2
BANKFULL
INNER BERM
(WIDTH VARIES)
WBKF = 36.6 FT
DBKF = 2.8 FT
°MAX = 3.8 FT
NKr = 103 FT2
BANKFULL
INNER BERM
(WIDTH VARIES)
WPooL= 47.6 FT
°POOL = 7.0 FT
'POOL = 156.3 FT2
WPOOL/WBKF = 1.3
DPOOL/DBKF = 2.5
SECTION - STREAM CENTERLINE STA 0+50
580 580
570
570
EXISTING
OFGREENSB
CITY
n
AERIAL
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560
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\
I BANKFULL
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560
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EROSION CONTROL
\
I
I
MATTING (TYP.)
\
\
\
\
I
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PROPOS
D RIFFLE
MATERIAL
10% NC
30% NC
60% NC
FILL TO
OT CLASS
OT CLASS
OT CLASS
DESIGN PROFILE
A
B
1
—0+50
0+00
0+50
BANKFULL WIDTH = 36.6'
EROSION CONTROL
MATTING
Dnwx = 3.8' 1
TYPICAL RIFFLE
BANKFULL WIDTH = 47.6'
UPSTREAM RIFFLE
SECTION
PROPOSED
GRADE
EROSION CONTROL
MATTING
PROPOSED
GRADE
TYPICAL POOL
TYPICAL SECTIONS
N.T.S.
TOP OF
BANK
TOP OF
BANK
\
1
EFFECTIVE FEMA
FLOODWAY (TYP.)'I
2�
\ \\
\ \ \
EXISTING CITY OF
GREENSBORO SS
MANHOLE (TYPA
TO BE PROTECX \
\\
\\ \
SECTION - STREAM CENTERLINE STA 0+86
580 580
570
570
EXISTING
AERIAL
CITY
SS PIPE
EXISTIN
GRADE
1-
\
PROPOSED
SOIL 1_,IFTS
— EXISTING
PATH
WALKING
.._
----
560
560
PROPOSED
GRADE
\
BACKFIL
MATERIA
60% NCDOT
CLASS
1
J—HOO
(TYP.)
VANE ARM
—0+45
0+00
0+65
EXISTING TOP
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\\
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560
558
EXIS1\NG TOE
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DOI
I
EXISTING WALKING •
•
•
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•
O
STREAM
cENTERLINE
•
EXIFING TOP
cpWV
BEG* REACH
STATIQNING
EXISTING IHALVTG
(TYP.)
•
•
•
•
PROPOSED BOULDER
Ss
PROPOSED S011:—
LIFTS (TYP.)
EXISTING CITY OF
10% NCDOT .,LASS A
Ss
SECTION — S+REAM
CENTERLINE STk 0+50
(SEE PROFILE VhAA1)
RIAL
GREENSBORO 18" DIP
EXISTING CITY OF
STREAM CENTERLINE
PROPOSED 139ULDER
VANE ANGLE ,(TYP.)
—
z
/ CENTE
cri
572
571
570
569
568
maivor-swza..
r
LINE STA 0+86
LINE'10E OF SLOPE WITH
60% .C13-0T CLASS 1
%ss, I / r , / , /
V
STA=1 + 14.28
ELEV=564.50
(
0
II
II
FIROPOSED RIFFLE
30% NCDOT
FILL TO DESIGN—PROF-I-L-E
MATERIAL
LASS B
PROPOSED
GRADE
PROPOSED
BOULDER
csi
to
STA=0+8
ELEV=56
560
558
GRAPHIC SCALE
5 10
1 inch = 10 ft.
2° MCADAMS
LIMITS OF DISTURBANCE
0.33 AC
co-
PROPERTY LINE
EXISTING TREE
EXISTING TREE TO
BE REMOVED (TYP.)
EFFECTIVE FEMA
100—YR FLOODPLAIN
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
DURHAM, NC 27701
PHONE: [phone]
CeLLIOD
0 <
c) ea;
< 0
tn
WHITSETT, NC 27377
$°11...i.Q.:OcS.:4 EA: 0:71L?'13/11:5 7.0
•
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REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
RAS
CHJ
07. 07. 2022
GRADING PLAN
C3.00
a)
0+00
1 +00
1+46.33
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION

M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-EC.dwg, 7/7/2022 3:11:15 PM, Cameron Jernigan
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
Site Area Description
many calendar
Timeframe variations
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
perimeter slopes
7
None
(b) High Quality Water
7
None
(HQW) Zones
(c) Slopes steeper than
If slopes are 10' or less in length and are
3:1
7
not steeper than 2:1, 14 days are
allowed
-7 days far slopes greater than 50' in
length and with slopes steeper than 4:1
(d) Slopes 3:1 to 4:1
17
-7 days far perimeter dikes, swales,
ditches, perimeter slopes and HQW
Zones
-10 days for Falls Lake Watershed
(e) Areas with slopes
-7 days for perimeter dikes, swales,
ditches, perimeter slopes and HQW Zones
flatter than 4:1
14
-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
• Temporary grass seed covered with straw or
other mulches and tackifiers
• Hydroseeding
• Rolled erosion control products with or
without temporary grass seed
• Appropriately applied straw or other mulch
• Plastic sheeting
Permanent Stabilization
• Permanent grass seed covered with straw or
other mulches and tackifiers
• Geotextile fabrics such as permanent soil
reinforcement matting
' • Hydroseeding
• Shrubs or other permanent plantings covered
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control A roducts with grass seed
POLYACRYLAMIDES (PAPAS) AND FLOCCULANTS
1. Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NC DWR List of Approved PAMS/Flocculorrts.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Apply fiocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer'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 earthen -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.
R, NORTH CAROLINA
. / Environmental Quality
WW1 1VAIX WA
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CONCRETE WASHOUTS
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.
5. 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 RODENTIC!DES
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.
2.
3.
Create designated hazardous waste collection areas on -site.
Place hazardous waste containers under cover or in secondary containment.
Do not store hazardous chemicals, drums or bagged materials directly on the ground. i
N C GO l GROUND STABILIZATION AND MATERIALS HANDLING
EFFECTIVE: 04/01 / 19
SELF -INSPECTION,
SECTION A: SELF -INSPECTION
PART III
RECORDKEEPING AND REPORTING
normal business hours in accordance with the table
site conditions would cause the safety of the inspection
may be delayed until the next business day on
In addition, when a storm event of equal to or
of normal business hours, the self -inspection shall be
of the next business day. Any time when inspections
Inspection Record.
Self -inspections are required during
below. When adverse weather or
personnel to be in jeopardy, the inspection
which it is safe to perform the inspection.
greater than 1.0 inch occurs outside
performed upon the commencement
were delayed shall be noted in the
Inspect
Frequency
(during normal
business hours)
Daily
Inspection records must include:
(1) Rain gauge
maintained in
good working
order
Daily rainfall amounts.
If no daily rain gauge observations are made during weekend or
holiday periods, and no individual -day rainfall Information Is
available, record the cumulative rain measurement for those un-
attended days lane this will 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) E&SC
Measures
At least once per
7 calendar days
and within 24
hours of a rain
event> 1.0 inch in
24 hours
1. Identification of the measures inspected,
2. Date and time of the inspection,
3. Name of the person performing the inspection,
4. Indication of whether the measures were operating
properly,
5. Description of mrintenance needs for the measure,
6. Description, evidence_, and date of corrective actions taken.
01 Storm water
discharge
outfalls ISUCs}
At least once per
7 calendar days
and within 24
hours of a rain
event1,0Inch in
24 hours
1. Identification of the discharge autfalls inspected,
2. Date and time of the inspection,
3. Name of the person performing the inspection,
4. Evidence of indicators of stormwater pollution such as oil
sheen, Floating or suspended solids or discoloration,
5. indication of visible sediment leaving the site,
6. Description. evidence, and date of corrective actions taken,
(4) Pevimeter of
site
At least once per
7 calendar days
and within 24
hours of a rain
event ? 1.0 inch in
24 hours
If visible sedimentation is found outside site limits, then a record
of the following shall be made:
1. Actions taken to dean up or stabilize the sediment that has left
the site limits,
2. Description, evidence, and date of corrective actions taken, and
3. An explanation as to the actions taken to control future
releases.
(5) Streams or
wetlands onsite
or offsite
(where
accessible)
At least once per
7 calendar days
and within 24
hours of a rain
event a 1.0 inch in
24 hours
if the stream or wetland has increased visible sedimentation or a
stream has visible Increased turbidity from the construction
activity, then a record of the following shall be made:
1. Description, evidence and date of corrective actions taken, and
2. Records ref the required reports to the appropriate Division
Regional Office par Part III, Section C, Item (2)(a) of this permit.
I61Ground
stabilisation
measures
After each phase
of grading
1. The phase of grading (installation OF perimeter E&SC
measures, clearing and grubbing, installation of storm
drainage fatlities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
tlmeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
SELF -INSPECTION, RECORDKEEPING
SECTION B: RECORDKEEPING
PART III
AND REPORTING
deviation shall be kept on the site. The
throughout the coverage under this permit.
plan shall be kept on site and available for
hours.
1.
2.
3.
E&SC Plan Documentation
The approved E&SC plan as well as any approved
approved E&SC plan must be kept up-to-date
The following items pertaining to the E&SC
inspection at all times during normal business
item to Document
Documentation Requirements
(a) Each E&SC measure has been installed
and does not significantly deviate from the
locations, dimensions and relative elevations
shown on the approved E&SC plan_
Initial and date each E&SC measure on a copy
of the approved E&SC plan or complete, date
and sign an inspection report that lists each
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 arc modified after initial
installation.
(h) 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 accordance with the approved E&SC
plan.
initial and date a copy of the approved E&SC
plan or complete, date and sign an inspection
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
requirements for all E&SC measures
have been performed.
Completer date and sign an Inspection report.
(e) Corrective actions have been taken
to E&SC measures.
r
Initial and date a copy of the approved E&SC
plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
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
electronically -available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
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 122.41]
PART !I, 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,
The non -surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit,
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,
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,
Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and
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.
(b)
(c)
(d)
(e)
(f)
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1.
2.
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.
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 (800)
858-0368.
Occurrence
Repotting Timeframes [After Discovery) and Other Requirements
(a) Visible sediment
deposition in a
stream or wetland
• within 24 hours, an oral or electronic notification.
• within 7calendar days, a report that contains a description of the
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.
• If the stream is named on the NC 3030) 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.
(h) Oil spills and
release of
hazardous
substances per item
1(b}-ic) above
• Within 24 hours, an oral or electronic notification. The notification
shall include information about the date, time, nature, volume and
location of the spill cr release.
(c) Anticipated
bypasses [40 CFR
122.41(m)(3)]
• A report at least ten days before the date of the bypass, ►J' possible.
The report shall include an evaluation of the anticipated quality and
effect of the bypass.
(d) Unanticipated
bypasses [40 CFR
122.41(m)(3)]
• Within 24 hours, an oral or electronic notification.
• Within 7 calendar days, a report that includes an evaluation of the
quality and effect of the bypass.
(e) Noncompliance
with the conditions
of this permit that
may endanger
health or the
environment[40
CFR 122.41(0(7)i
• Within 24 hours, an oral or electronic notification.
• Within 7 calendar days, a report that contains a description of the
noncompliance, and its causes; the period of noncompliance,
including exact dates and times, and if the noncompliance has not
been corrected, the anticipated time noncompliance is expected to
continue; and steps taken or planned to reduce, eliminate, and
prevent reoccurrence of the noncompliance, [40 CFR 122.41(ij(Fy.
■ Division staff may waive the requirement for a written report on a
case -by -case basis.
NORTH CAROLINA
Environmental Quality
NCGO1 SELF -INSPECTION, RECORDKEEPING AND REPORTING
EFFECTIVE: 04/01 / 19
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
WHITSETT, NC 27377
,,,tssssllllt,,,
\N CARQ4 i
SEAL v(•:
049073
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
STN-2101.01
STN2101-EC
RAS
CHJ
N.T.S.
07. 07. 2022
EROSION CONTROL
PLAN
C6.00

EROSION & SEDIMENT CONTROL NOTES:
1.
GRADING AND EROSION CONTROL METHODS SHALL ADHERE TO THE NORTH CAROLINA DEPARTMENT OF
ENVIRONMENTAL QUALITY (NC DEQ) DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES (NC DEMLR)
STANDARDS AND SPECIFICATIONS. WHERE METHODS DIFFER FROM THE GUILFORD COUNTY EROSION
CONTROL DEPARTMENT, THE MORE STRINGENT METHOD SHALL BE APPLIED.
2. E & SC DEVICES MUST BE INSTALLED AND INSPECTED PRIOR TO ANY GRADING ON SITE. THE CONTRACTOR
SHALL CALL FOR AN INSPECTION BY NC DEMLR ONCE INITIAL MEASURES ARE IN PLACE.
3. A COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE ON FILE AT THE JOB SITE AT ALL TIMES. FAILURE
TO FOLLOW THE APPROVED PLAN SEQUENCE AND DETAILS COULD SUBJECT THE CONTRACTOR TO FINES AND
PENALTIES ISSUED BY EITHER GUILFORD COUNTY EROSION CONTROL DEPARTMENT OR NC DEMLR.
4. CONSTRUCTION, MAINTENANCE, AND REMOVAL OF ALL EROSION CONTROL DEVICES ARE THE RESPONSIBILITY
OF THE GRADING CONTRACTOR UNLESS OTHERWISE NOTED.
5. ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS A VIOLATION OF THE APPROVED
EROSION CONTROL PLAN AND IS SUBJECT TO A FINE BY THE GUILFORD COUNTY EROSION CONTROL
DEPARTMENT.
6. DISTURBANCE OUTSIDE OF THE SITE PROPERTY LIMITS OR PUBLIC R/W SHALL ONLY BE ALLOWED BY SIGNED
GRADING AGREEMENTS AND/OR EASEMENTS BETWEEN THE DEVELOPER AND OFFSITE PROPERTY OWNER.
7. THE CONTRACTOR IS RESPONSIBLE TO MAINTAIN SAFE OPEN ACCESS TO ALL PROPERTIES ALONG ADJACENT
PROPERTIES DURING CONSTRUCTION PERIOD FOR IMPROVEMENTS.
8. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION CONTROL PLAN IS A VIOLATION OF THE
CITY/COUNTY EROSION CONTROL ORDINANCE AND IS SUBJECT TO A FINE.
9. STAGING AREAS, STOCKPILE AREAS, CONSTRUCTION ENTRANCES, AND ACCESS ROAD WILL BE IDENTIFIED AND
LOCATED ACCORDING TO THE EROSION CONTROL PLANS AND LANDOWNER. VARIANCES WILL BE ALLOWED
ASSUMING BOTH THE CONTRACTOR AND THE ENGINEER VERBALLY AGREE.
10. CONTRACTOR SHALL SEED AND STABILIZE ALL STEEP SLOPES (GREATER THAN 3H:1V) WITHIN 7 DAYS, 10 DAYS
FOR MODERATE SLOPES (3H:1V OR LESS) AND WITHIN 14 CALENDAR DAYS EVERYWHERE ELSE ACCORDING TO
THE TEMPORARY SEEDING SCHEDULE ON SHEET L5.00.
11. FOR ANY LAND DISTURBING ACTIVITY WHERE GRADING ACTIVITIES HAVE BEEN COMPLETED, TEMPORARY OR
PERMANENT GROUND COVER (SHEET L5.00) SUFFICIENT TO RESTRAIN EROSION SHALL BE PROVIDED AS SOON
AS PRACTICAL, BUT IN NO CASE LATER THAN SEVEN (7) DAYS AFTER COMPLETING THE WORK. STABILIZATION IS
THE BEST FORM OF EROSION CONTROL. TEMPORARY SEEDING IS NECESSARY TO ACHIEVE EROSION CONTROL
ON LARGE DENUDED AREAS AND ESPECIALLY WHEN SPECIFICALLY REQUIRED AS PART OF THE CONSTRUCTION
SEQUENCE ON THE PLAN.
12. THE EROSION CONTROL INSPECTOR MAY REQUIRE ADDITIONAL FIELD MEASURES AS NECESSARY TO PROVIDE
ADEQUATE PROTECTION FROM RECEIVING WATER COURSES.
13. PROTECTION OF EXISTING VEGETATION: AT THE START OF GRADING INVOLVING THE STRIPPING OF TOPSOIL OR
LOWERING OF EXISTING GRADE AROUND A TREE, A CLEAN, SHARP, VERTICAL CUT SHALL BE MADE AT THE
EDGE OF THE TREE SAVE AREA AT THE SAME TIME AS OTHER EROSION CONTROL MEASURES ARE INSTALLED.
THE TREE PROTECTION FENCING SHALL BE INSTALLED ON THE SIDE OF THE CUT FARTHEST AWAY FROM THE
TREE TRUNK AND SHALL REMAIN IN PLACE UNTIL ALL CONSTRUCTION IN THE VICINITY OF THE TREES IS
COMPLETE. NO STORAGE OF MATERIALS, FILL, OR EQUIPMENT AND NO TRESPASSING SHALL BE ALLOWED
WITHIN THE BOUNDARY OF THE PROTECTED AREA AND SHALL BE POSTED ON THE PROTECTION FENCE. A
PROTECTION FENCE CONSTRUCTED OF MATERIAL RESISTANT TO DEGRADATION BY SUN, WIND, AND
MOISTURE FOR THE DURATION OF THE CONSTRUCTION, SHALL BE INSTALLED AT THE SAME TIME AS THE
EROSION CONTROL MEASURES AND SHALL BE IN PLACE UNTIL ALL CONSTRUCTION IN THE VICINITY OF THE
TREES IS COMPLETE (SEE DETAIL ON SHEET C6.02 THROUGH C6.03).
14. A CONSTRUCTION SEQUENCE HAS BEEN PROVIDED (SEE SHEET C0.00). INSTALLATION OF ALL PROPOSED E & SC
MEASURES IN THE SEQUENCE(S) PROVIDED AND MAINTENANCE OF THOSE DEVICES IS REQUIRED. THE
CONTRACTOR MAY BE ALLOWED, WITH PRIOR APPROVAL FROM THE OWNER, TO COORDINATE CHANGES TO
THE PLAN WITH THE ON -SITE E & SC INSPECTOR AND THE ENGINEER.
15. CONTRACTOR SHALL INSPECT AND REPAIR ALL EROSION CONTROL DEVICES AT LEAST ONCE PER WEEK AND
AFTER EVERY SIGNIFICANT RAINFALL EVENT. EACH DEVICE IS TO BE MAINTAINED OR REPLACED IF SEDIMENT
ACCUMULATION HAS REACHED ONE HALF THE CAPACITY OF THE DEVICE.
16. CONTRACTOR WILL FIELD LOCATE SILT FENCE OUTLETS AT LOW POINTS IN SILT FENCE AND/OR A MINIMUM OF
EVERY 100 LINEAR FEET OF SILT FENCE AS REQUIRED TO PROVIDE RELIEF FROM CONCENTRATED FLOWS. SILT
FENCE OUTLETS SHOWN ON THESE PLANS ARE BASED ON THE BEST TOPOGRAPHIC INFORMATION AVAILABLE
AT THE TIME OF DESIGN. CONTRACTOR TO FIELD VERIFY AND ADJUST LOCATIONS OF SILT FENCE OUTLETS
AND/OR PLACE ADDITIONAL OUTLETS TO INSURE THAT ALL LOW SPOTS ALONG THE SILT FENCE HAVE AN
OUTLET.
17. WASHED STONE AND WIRE BACKING SHALL BE USED WITH SILT FENCE WHENEVER SILT FENCE IS PLACE AT THE
TOE OF A SLOPE >10' VERTICAL OR ALONG ANY CHANNEL OR WATER COURSE WHERE 50' OF BUFFER IS NOT
PROVIDED.
18. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD VERIFIED BY THE CONTRACTOR PRIOR
TO CONSTRUCTION. CONTRACTOR SHALL NOTIFY THE OWNER IF ANY DISCREPANCIES EXIST PRIOR TO
PROCEEDING WITH CONSTRUCTION FOR NECESSARY PLAN OR GRADE CHANGES. NO EXTRA COMPENSATION
SHALL BE PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS OR GRADES SHOWN
INCORRECTLY ON THESE PLANS IF SUCH NOTIFICATION HAS NOT BEEN GIVEN.
19. NO DEBRIS SHALL BE TRACKED ONTO PUBLIC RIGHT OF WAY. IF THE SITUATION OCCURS WHERE MUD, ROCKS
AND DEBRIS IS TRACKED ONTO PAVEMENT, THE CONTRACTOR SHALL CLEAN THE PAVEMENT AND INSTALL
ADDITIONAL MEASURES TO PREVENT FUTURE OCCURRENCES.
20. INSTALL SILT FENCE FOR ALL STAGING AND STOCKPILE AREAS (SEE DETAIL ON SHEET C6.02). ANY STOCKPILE
AREAS SHALL USE TWO (2) ROWS OF SILT FENCE.
21. IF CONCRETE WASHOUTS ARE UTILIZED, THESE AREAS ARE TO BE WITHIN THE LIMITS OF DISTURBANCE AND
SHOULD BE LOCATED AT LEAST 50 FT. AWAY FROM STORM DRAIN INLETS AND SURFACE WATER.
7/2022 3:11:20
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TN2101.00 - Stoney
J
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2
CHANNEL CONSTRUCTION (PUMP AROUND):
1. INSTALL PUMP AROUND ALONG 200' TO 300' OF STREAM CHANNEL, OR NO MORE THAN CAN BE
CONSTRUCTED IN ONE (1) WORKING DAY (DEWATERING AND PUMP AROUND DETAILS ON SHEET C6.01.
2. RIPRAP APRONS WILL BE CONSTRUCTED TO IMPEDE ANY EROSION OF THE CHANNEL AND STREAM BANKS
BY THE WATER DIVERTED FROM THE PUMP -AROUND PROCEDURE.
3. WORK SECTIONS THAT INVOLVE THE CONSTRUCTION OF A CONFLUENCE OR TWO REACHES MAY REQUIRE
THE USE OF TWO PUMP -AROUND OPERATIONS.
4. HARVEST MATERIAL FROM THE BOTTOM OF THE EXISTING CHANNEL TO BE PLACED IN THE BOTTOM OF
THE PROPOSED CHANNEL. THIS SHALL INCLUDE THE SURFACE MATERIAL AND UP TO ONE (1) FOOT
BELOW TO INCLUDE THE HYPORHEIC ZONE. ADDITIONAL RIVER STONE SHALL BE MIXED WITH EXISTING
CHANNEL MATERIAL AS NECESSARY.
5. IN -STREAM STRUCTURES WILL BE INSTALLED ACCORDING TO THE DETAILS PRESENTED ON SHEET C8.00.
6. ANY EXCAVATED MATERIAL CONTAINING MANMADE MATERIAL IS NOT SUITABLE MATERIAL FOR
CHANNEL FILL AND MUST BE DISPOSED OF OFFSITE UNLESS OTHERWISE DIRECTED BY OWNER.
7. THE PROPOSED CHANNEL BANKS SHALL BE STABILIZED WITH EROSION CONTROL MATTING AND
TEMPORARY SEEDING UPON COMPLETION OF EACH SECTION AS PER DETAIL ON SHEETS C6.03 AND L5.00.
8. COMPLETE ALL EARTHWORK, STRUCTURE INSTALLATION, AND STABILIZATION IN THE PUMP AROUND
AREA.
9. CONTRACTOR SHALL NOTIFY ENGINEER UPON DISCOVERY OF ANY CONSTRAINTS DISCOVERED IN THE
CONSTRUCTION OF THE PROPOSED CHANNEL OR STRUCTURE PLACEMENT AND ADJUSTMENTS CAN BE
MADE ON SITE.
10. GRADING OF THE PROPOSED FLOODPLAIN MAY NEED TO BE DELAYED UNTIL AFTER WORK IN
SUBSEQUENT SECTIONS HAS BEEN COMPLETED, ESPECIALLY NEAR CONFLUENCES. HAUL ROADS AND
TEMPORARY SILT FENCE MAY ALSO NEED TO BE REMOVED BEFORE THE PROPOSED FLOODPLAIN CAN BE
COMPLETED AND/OR UNUSED EXISTING CHANNEL CAN BE FILLED.
11. CONTRACTOR TO PROTECT ALL EXISTING UTILITIES IN THE PROJECT AREA DURING CHANNEL
CONSTRUCTION.
EXISTING ROAD
ISLAND WITH CURB
AND GUTTER
20 f7-
1
2
- EXISTING
CURB A
GUTTER
, EXISTING
SIDEWA
Alp
Nata. _wgrio
SFLD
EROSION & SEDIMENT CONTROL MAINTENANCE PLAN:
1. QUALIFIED PERSONNEL, ON A DAILY BASIS WILL EVALUATE ALL TEMPORARY EROSION AND SEDIMENT
CONTROL PRACTICES FOR STABILITY AND OPERATION.
2. INSPECT AND MAINTAIN ALL EROSION CONTROL MEASURES EVERY 7 DAYS AND AFTER EACH SIGNIFICANT
RAINFALL (0.5" OR GREATER) AND DOCUMENT WITH INSPECTION REPORTS AND WRITTEN LOGS SHALL BE
KEPT.
3. A RAIN GAUGE WILL ALSO BE KEPT ON -SITE AND DAILY RAINFALL AMOUNTS WILL BE RECORDED.
4. ANY REPAIRS NEEDED WILL BE PERFORMED IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE MAINTENANCE OF TEMPORARY ON -SITE E & SC
MEASURES.
6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR IMPLEMENTING AND FOLLOWING THE APPROVED E & SC
PLAN.
7. A COPY OF THE COMBINED SELF -INSPECTION MONITORING FORM CAN BE FOUND ON THE NC DEMLR
WEBSITE AT:
PIN: L8824236532
PROPERTY LINE
(TYP.)
SF
-7
SC
LEGEND AND SYMBOLS
250
LD
SF
TP
LD
SF
TP
SF
TP
PROPOSED MAJOR CONTOUR
PROPOSED MINOR CONTOUR
EXISTING
EXISTING
EXISTING
EXISTING
MAJOR CONTOUR
MINOR CONTOUR
TOE OF BANK
STREAM THALWEG
PROPOSED STREAM CENTERLINE
LIMITS OF DISTURBANCE
PROPERTY LINE
UTILITY EASEMENT
SILT FENCE
TREE PROTECTION FENCE
CONSTRUCTION ENTRANCE
HAUL ROAD
STAGING/STOCKPILE AREA
IMPERVIOUS DIKE
SILT FENCE OUTLET
-411- PUMP AROUND
/
EFFECTIVE FEMA
(5Ty00p-.)YR FLOODPLAIN
z /// / /
/10:' // // f j
/
/
/
/
/
Li
77
DOUBLE ROW
SILT ENCE
LIMITS OF
DISTURBANCE
/
EXISTING TREE TO
BE REMOVED (TYP.)
EXISTING TREE
(TYP.)
oRDPN
// / /2) \\:1
GRAPHIC SCALE
10 20
40
LIMITS OF DISTURBANCE
0.33 AC
CITY (:),F GREEN BORO
7....;_ _-_H:;J:::::::----71:
ar-
PUMP AROUND
N
r ,j/ /,-- i___ _ ,,,:2-/,_,„-_-__.>_---c-___:"---2-7.-----\\ ROpp)ERTY_. LIINIE -
N
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
DURHAM, NC 27701
PHONE: [phone]
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REVISIONS
NO. DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
RAS
CHJ
07. 07. 2022
EROSION CONTROL
PLAN
C6.01

FILTER OF 1" DIA.
M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-EC.dwg, 7/7/2022 3:11:22 PM, Cameron Jernigan
MIN. 10 GA.
LINE WIRES
io
0
In
8' MAX.
O
N
NOTES
VARIABLE AS DIRECTED BY THE ENGINEER
THE
E PROTECTION
DO
NOT
AR
ENTER
EA
'►'iiiiii'i
ORANGE, UV RESISTANT
HIGH -TENSILE STRENGTH POLY
BARRICADE FABRIC (TYPICAL)
FRONT VIEW
STEEL POST
WOVEN WIRE FABRIC
WARNING SIGN
ORANGE, UV RESISTANT
HIGH -TENSILE
STRENGTH POLY
BARRICADE FABRIC
(TYPICAL)
GRADE
40"
MIN. 12-1/2 GA.
INTERMEDIATE WIRES
GRADE
TREE PROTECTION AREA
DO NOT ENTER
18"
WARNING SIGN DETAIL
40"
AREA PARA PROTECCION
DE LOS ARBOLES
PROHIBIDO ENTRAR
18"
SIDE VIEW WARNING SIGN DETAIL
1. INSTALL FENCING AS SHOWN ON THESE PLANS.
2. WARNING SIGNS TO BE MADE OF DURABLE, WEATHERPROOF MATERIAL. LETTERS TO BE 3" HIGH MINIMUM, CLEARLY
LEGIBLE AND SPACED AS DETAILED.
3. SIGNS SHALL BE PLACED AT 50' MAXIMUM INTERVALS. PLACE A SIGN AT EACH END OF LINEAR TREE PROTECTION AND
50' ON CENTER THEREAFTER.
4. FOR TREE PROTECTION AREAS LESS THAN 200' IN PERIMETER, PROVIDE NO LESS THAN ONE SIGN PER PROTECTION
AREA. ATTACH SIGNS SECURELY TO FENCE POSTS AND FABRIC. ADDITIONAL SIGNS MAY BE REQUIRED BY GOVERNMENT
ENTITIES BASED ON ACTUAL FIELD CONDITIONS.
5. IN SPITE OF PRECAUTIONS, SOME DAMAGE TO PROTECTED TREES MAY OCCUR. IN SUCH CASES REPAIR ANY DAMAGE TO
THE CROWN, TRUNK OR ROOT SYSTEM IMMEDIATELY. REFER TO THE EROSION AND SEDIMENT CONTROL PLANNING AND
DESIGN MANUAL CHAPTER 6 SECTIONS 6.05E AND 6.05C FOR DIRECTIONS ON WOUND REPAIR AND PRUNING OF
DAMAGED TREES.
6. MAINTAIN TREE PROTECTION FENCE THROUGHOUT DURATION OF PROJECT.
MAINTENANCE
1. INSPECT TREE PROTECTION FENCES AT LEAST ONCE A WEEK. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF A FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
TREE PROTECTION FENCE
N.T.S.
4'
NOTES
PROVIDE HIGH STRENGTH DOUBLE
STITCHED J TYPE SEAMS SEWN IN SPOUT
HEAVY DUTY
DIRTBAG 55
OR EQUAL
6'
a
HIGH STRENGTH
STRAPPING FOR
HOLDING HOSE
IN PLACE
WATER FLOW
FROM PUMP
OPENING TO
ACCOMMODATE UP TO
4" DISCHARGE HOSE
AGGREGATE UNDERLAYMENT
(3" THICK NCDOT NO. 57
STONE)
1. THE DEWATERING BAG SHALL BE MADE OF NON -WOVEN GEOTEXTILE WITH A MIN. SURFACE AREA OF 225
SQUARE FEET PER SIDE.
2. ALL STRUCTURAL SEAMS SHALL BE SEWN WITH A DOUBLE STITCH USING A DOUBLE NEEDLE MACHINE
WITH HIGH STRENGTH THREAD.
3. THE SEAM STRENGTH SHALL WITHSTAND 100 LB/IN USING ASTM D-4884 TEST METHOD.
4. THE GEOTEXTILE FABRIC SHALL BE 10 OZ NON -WOVEN FABRIC.
5. DISCHARGE FROM THE DEWATERING BAG SHALL BE DIRECTED SUCH THAT PRE -DISTURBANCE HYDROLOGY
IS NOT CHANGED.
6. TRANSPORT AND PLACE DEWATERING BAGS WITH CARE TO PREVENT RIPPING OR TEARING THE FABRIC.
7. AVOID INSTALLING ON STEEP SLOPES AS THE BAG MAY ROLL, CAUSING FAILURE.
8. INSERT THE DISCHARGE HOSE A MINIMUM OF 1-FOOT INSIDE THE DEWATERING BAG. DO NOT INSERT
MORE THAN ONE DISCHARGE HOSE INTO THE DEWATERING BAG.
9. AVOID USE OF EXCESSIVE FLOW RATES OR OVERFILLING THE DEWATERING BAG. THIS MAY CAUSE THE BAG
TO RUPTURE OR CAUSE FAILURE TO THE HOSE TO BAG CONNECTION.
MAINTENANCE
1. FOLLOW ALL MANUFACTURER RECOMMENDATIONS FOR INSPECTION AND MAINTENANCE GUIDELINES. REPLACE
DEWATERING BAGS WHEN TRAPPED SEDIMENT HAS ACCUMULATED TO 50% OF THE BAG CAPACITY OR IN
ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.
2. DEWATERING BAGS ARE FULL WHEN THEY NO LONGER EFFICIENTLY FILTER SEDIMENT OR PASS WATER AT A
REASONABLE RATE.
SEDIMENT FILTER BAG DETAIL
N. T.S.
0
6" MIN
COARSE AGGREGATE
2-3"
NOTES
So.
eke 94, � it
44:
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AM'
444111110,00
cis
JIOYsor
410
APO 400,
kdrittr
NOTES: APPLICABLE AT ALL POINTS OF
INGRESS & EGRESS UNTIL SITE IS
STABILIZED, FREQUENT CHECKS OF
THE DEVICE AND TIMELY
MAINTENANCE MUST BE PROVIDED.
1. GRAVEL PAD TO BE 12'X 50' AND 6" THICK MINIMUM.
2. TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE TRUCKS IS TO BE PROVIDED.
3. ENTRANCE(S) SHOULD BE LOCATED TO PROVIDE FOR MAXIMUM UTILITY BY ALL CONSTRUCTION VEHICLES.
4. MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR DIRECT FLOW OF MUD ONTO
STREETS. PERIODIC TOP DRESSING WITH STONE SILL BE NECESSARY; KEEP SOME HANDY.
5. ANY MATERIAL WHICH STILL MAKES IT ONTO THE ROAD MUST BE CLEANED UP IMMEDIATELY.
6. APPLICABLE AT ALL POINTS OF INGRESS & EGRESS UNTIL SITE IS STABILIZED, FREQUENT CHECKS OF
THE DEVICE AND TIMELY MAINTENANCE MUST BE PROVIDED.
MAINTENANCE
1. MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE
CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2-INCH STONE.
2. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS
NECESSARY.
3. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC
ROADWAYS.
TEMPORARY CONSTRUCTION ENTRANCE/ EXIT
N.T.S.
MIN. 10 GA.
LINE WIRES
I' -
NOTES
8' MAX.
1
I
VARIABLE AS DIRECTED BY THE ENGINEER
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II
SILT FENCE FABRIC
INSTALLED TO SECOND
WIRE FROM TOP
FRONT VIEW
1. USE SILT FENCE ONLY WHEN DRAINAGE AREA
DOES NOT EXCEED 1/4 ACRE AND NEVER IN
AREAS OF CONCENTRATED FLOW
2. END OF SILT FENCE NEEDS TO BE TURNED
UPHILL.
* FOR REPAIR OF SILT FENCE FAILURES, USE
No. 57 WASHED STONE. FOR ANCHOR WHEN
SILT FENCE IS PROTECTING CATCH BASIN
MAINTENANCE
O
N
SIDE VIEW
STEEL POST
MIN. 12-1/2 GA.
INTERMEDIATE
WIRES
GRADE
WOVEN WIRE FABRIC
SILT FENCE GEOTEXTILE FABRIC
FILL SLOPE
GRADE
6" MIN. COVER
OVER SKIRT *
ANCHOR SKIRT AS
DIRECTED BY ENGINEER *
1. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY
2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE,
REPLACE IT PROMPTLY.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN
AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING
CLEANOUT.
4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE
AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
SILT FENCE
N.T.S.
NOTES:
1. EXCAVATION SHALL BE PERFORMED IN ONLY DRY SECTIONS OF CHANNEL UNLESS DRAINAGE AREA EXCEEDS 6 SQUARE MILES.
2. IMPERVIOUS DIKES SHOULD BE USED TO ISOLATE WORK AREAS FROM STREAM FLOW.
3. THE CONTRACTOR SHALL NOT DISTURB MORE AREA THAN CAN BE STABILIZED IN ONE WORKING DAY.
4. EACH PUMP AROUND PUMP SHOULD ADEQUATELY CONVEY BASE FLOW VOLUMES.
5. PUMP AROUND OPERATIONS SHOULD NOT BE UNDERTAKEN IF SIGNIFICANT RAINFALL IS FORECAST IN THE CONSTRUCTION PERIOD.
SEQUENCE OF CONSTRUCTION FOR TYPICAL PUMP AROUND
1. INSTALL SEDIMENT BAG AT THE DOWNSTREAM END OF THE DESIGNATED PROJECT WORKING AREA.
2. THE CONTRACTOR WILL INSTALL THE PUMP AROUND PUMP AND THE THE TEMPORARY PIPING THAT WILL CONVEY
UPSTREAM OF THE WORK SITE TO THE SEDIMENT BAG.
3. INSTALL UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR STREAM DIVERSION.
4. INSTALL THE DOWNSTREAM IMPERVIOUS DIKE AND PUMPING APPARATUS IF NEEDED TO DEWATER THE ENTRAPPED
HOSE FOR THIS PURPOSE SHALL BE OF SUFFICIENT SIZE TO DEWATER THE WORK AREA. THIS WATER WILL ALSO
BAG.
5. THE CONTRACTOR WILL PERFORM STREAM RESTORATION WORK IN ACCORDANCE WITH THE PLAN AND FOLLOWING THE GENERAL
CONSTRUCTION SEQUENCE.
6. THE CONTRACTOR WILL EXCAVATE ANY ACCUMULATED SEDIMENT AND DEWATER BEFORE REMOVAL OF THE IMPERVIOUS DIKE. REMOVE
IMPERVIOUS DIKES, PUMPS, AND TEMPORARY FLEXIBLE HOSE/PIPING STARTING WITH THE DOWNSTREAM DIKE FIRST.
7. ONCE THE WORKING AREA IS COMPLETED, REMOVE THE STILLING BASINS AND STABILIZE DISTURBED AREAS TO SPECIFICATIONS AS SHOWN
ON PLANS.
TEMPORARY RIPRAP DISSIPATION
PAD (SEE DETAIL, LOCATE AS
DIRECTED AT THE TIME OF
CONSTRUCTION)
IMPERVIOUS DIKE
(LOCATE AS DIRECTED
AT THE TIME OF
CONSTRUCTION)
TEMPORARY PIPING
PUMP AROUND PUMP
SEDIMENT BAG
(AS DIRECTED AT
THE TIME OF
CONSTRUCTION)
DEWATERING
PUMP
TEMPORARY
FLEXIBLE
HOSE
oq
y�r EXISTING
CHANNEL
FILTER FABRIC
FOR DRAINAGE
(NON -WOVEN)
COMPACTED
FILL LINED
WITH STONE
WORKING
AREA
THE BASE FLOW FROM
AREA. THE PUMP AND
FLOW INTO A SEDIMENT
BASEFLOW
V
IMPERVIOUS DIKE
(LOCATE AS
DIRECTED AT
THE TIME OF
CONSTRUCTION)
TYPICAL PUMP AROUND SETUP
N.T.S.
IMPERVIOUS SHEET
IMPERVIOUS DIKE DETAIL
(PROFILE VIEW)
WASHED STONE
3'
'•I�i'if�•�t•�1.
'Ab_ntoft,•;.
ls�ield�if�.'�
;. •Otl; 0:4�fir :• +� P, °.•r. 4 i4 4
END OF
FILTER FABRIC
PLAN VIEW
STEEL FENCE POST
WIRE FENCE
HARDWARE CLOTH
FILTER OF 1" DIA. WASHED STONE
TOP OF SILT FENCE
MUST BE AT LEAST
1' ABOVE THE TOP
OF THE WASHED
STONE
(
SILT FENCE
FILTER FABRIC ON
/GROUND BURY WIRE
FENCE AND
SECTION
END OF
FILTER FABRIC
4' MIN.
1
A
i
i
A
i
,
J
A
STEEL FENCE POST
SET MAX. 2' APART
i
A
i
FRONT VIEW
HARDWARE CLOTH
BURY WIRE FENCE, FILTER
FABRIC, AND HARDWARE
CLOTH IN TRENCH
MAINTENANCE
1. REMOVE SEDIMENT WHEN HALF OF STONE OUTLET IS COVERED.
2. REPLACE STONE AS NEEDED TO ENSURE DEWATERING.
3. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY
4. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE,
REPLACE IT PROMPTLY.
5. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE
DURING CLEANOUT.
6.
REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE
AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
SILT FENCE GRAVEL OUTLET
N.T.S.
A
1
TOE OF BANK (TYP)
0
v
0
>
z
v
/
TOP OF BANK (TYP)
TOE OF BANK (TYP)
01 U-
PLAN VIEW
NOTE:
DETAIL PROVIDED FOR INFORMATIONAL PURPOSES.
USE OF LOG MAT IS AT THE CONTRACTORS DISCRETION.
12"X12" +/-
ROUGH CUT TIMBER
LENGTH VARIES
B'
12"X12" +/-
ROUGH CUT TIMBER
LENGTH VARIES
5' MIN.
12' MAX
5' MIN.
12"X12" +/-
Ai
ROUGH CUT TIMBER
LENGTH VARIES
TEMPORARY STREAM / WETLAND CROSSING
N.T.S.
III II
SECTION A - A'
+/- 108"
SECTION B - B'
11=
BOLT TIMBERS
TOGETHER AS
NECESSARY
III III I1
11
3
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
WHITSETT, NC 27377
fSS /5, / ���:
�� SEAL�t�
049073
.,,�p�, NEF'F''�C7llllllllllllllll
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
STN-2101.01
STN2101-EC
RAS
CHJ
N.T.S.
07. 07. 2022
EROSION CONTROL
DETAILS
C6.02

M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-EC.dwg, 7/7/2022 3:11:24 PM, Cameron Jernigan
NOTES:
1. AN EROSION CONTROL BLANKET SHALL BE USED TO STABILIZE THE NEWLY CONSTRUCTED
CHANNEL FROM THE TOP OF BANK TO TOE OF SLOPE AND SHALL BE 100%
BIODEGRADABLE.
TOP OF BANK
(TYP)
2. THE CHANNEL SIDE SLOPES SHALL BE FINE GRADED, SEEDED, FERTILIZED, AND LIMED
PRIOR TO INSTALLING THE EROSION CONTROL BLANKET. REMOVE ROOTS, TWIGS, AND BLANKET
OTHER DEBRIS WHICH WOULD CAUSE BULGES IN THE MATTING AS WELL AS PREVENT THE KEYED 6" MIN
MATTING FROM BEING LAID FLUSH TO THE FINISHED SURFACE.
3. KEY -IN EDGES OF MATTING A MINIMUM OF 6 INCHES INTO FINISHED GRADE. LAY
MATTING SHINGLED DOWNSTREAM TO UPSTREAM, OVERLAPPING AT EDGES A MINIMUM
OF 1 FOOT.
4. INSTALL STAKES TO ENSURE GOOD GROUND CONTACT OF THE MATTING TO WITHSTAND
MEDIUM TO HIGH FLOWS. STAKES SHALL BE 100% BIODEGRADABLE AND INSTALLED PER
THE MANUFACTURER'S SPECIFICATIONS INCLUDING, BUT NOT LIMITED TO, THE
MANUFACTURER'S RECOMMENDED DENSITY AND PATTERN.
5. KEY -IN EDGES OF MATTING A MINIMUM OF 6 INCHES, PARTICULARLY NEAR RESTORATION
STRUCTURES, BOULDERS, LOGS, ETC. CHECK MATTING FOR LOOSE ENDS, FLAPS, OR OTHER
WEAKNESSES OR DAMAGE WHICH MAY CAUSE IT TO BECOME LOOSE UNDER FLOW
CONDITIONS.
6. MATTING SHALL BE PLACED ALONG THE OUTSIDE BANK OF ALL BENDS AND ALONG BOTH
SIDES OF THE CHANNEL IN TANGENT AREAS.
7. FIELD ADJUSTMENTS TO MATTING LOCATION MAY BE MADE AT THE DISCRETION OF THE
ENGINEER.
WITH SEED IN
8. THE EROSION CONTROL BLANKET SHALL CONSIST OF A MACHINE -PRODUCED BLANKET
MADE OF COCONUT FIBER AND BE EQUIVALENT OR BETTER THAN THE FOLLOWING
SPECIFICATION. SOIL STABILIZATION MATTING WHICH USES PLASTICS, METALS, OR OTHER
MAN-MADE MATERIALS IN THE CONSTRUCTION OF THE MATERIAL WILL NOT BE
PERMITTED.
WEIGHT = 20.3 OZ/SY
TENSILE STRENGTH DRY (ASTM D 4595) =
TENSILE STRENGTH WET (ASTM D 4595) =
ELONGATION FAILURE WET (ASTM D 4595)
TOP OF BANK
(TYP)
1512 LBS/FT MACHINE DIRECTION
1032 LBS/FT CROSS DIRECTION
924 LBS/FT MACHINE DIRECTION
684 LBS/FT CROSS DIRECTION
OPEN AREA = 50%
RECOMMENDED SHEAR STRESS = 4.5 LBS/SQ.FT.
RECOMMENDED FLOW = 12 FT/S
RECOMMENDED SLOPE </= 1:1
69% MACHINE DIRECTION
34% CROSS DIRECTION
BLANKET KEYED 6" MIN
OVERLAP ROLL EDGES
1 FOOT MINIMUM (TYP.)
6 INCH DEEP (MIN.)
KEY IN TRENCH
+ + +
+ + +
- + + +
+ + + + +
+ + +
+ +
+ +
4' MIN
BANKFULL STAGE
EROSION CONTROL BLANKET
TOE OF BANK (TYP)
CROSS-SECTION VIEW
PREPARED SLOPE +
PLACE ▪ + + + + + 4 •
• + + + -
+ + +
+ + + + + + +
+ + + + + + + +
+ + + + + + +
+ + + + + + +
+ + + + +
+ + + + +
+ + + + +
+ + + +
SLOPE APPLICATION ISOMETRIC VIEW
EROSION CONTROL BLANKET DETAILS
N.T.S.
PLAN VIEW
FILL MAT VOIDS
IF SPECIFIED
6 IN MIN. OVERLAP
AT ROLL END (TYP.)
COIR FIBER MATTING TO BE
INSTALLED ON CHANNEL SIDE
SLOPES FROM TOE OF BANK TO
MIN. 4' BEYOND TOP OF BANK
OR GRADING LIMITS
NOTES:
1. AREAS NOTED AS LIVE STAKES WITHIN THE PLANTING ZONE SHALL BE PLANTED WITH SILKY DOGWOOD (CORNUS
AMOMUM), SILKY WILLOW (SALIX SERICEA), AND BLACK WILLOW (SALIX NIGRA).
2. ONE LIVE STAKE SPECIES PER LIVE STAKE AREA. ALTERNATE SPECIES PER LIVE STAKE AREA.
3. LIVE STAKE AREA IS BASED ON A 4' X 4' GRID. THIS SPACING REFERS TO PLANTING THE PLANTS EACH 6 FEET APART
FROM EACH OTHER IN ALL DIRECTIONS. THIS SPACING DOES NOT RELATE TO PLANTING DISTANCE AT THE ZONE
BOUNDARY.
4. ALL LIVE STAKES SHALL BE DORMANT AT TIME OF ACQUISITION AND PLANTING.
5. LIVE STAKES SHALL BE 1/2-2" IN DIAMETER. LIVE STAKES SHALL ALSO BE 2 - 4 FEET IN LENGTH.
6. DURING PREPARATION, THE BASAL ENDS OF THE LIVE STAKES SHALL BE CLEANLY CUT AT AN ANGLE TO FACILITATE
EASY INSERTION INTO THE SOIL, WHILE THE TOPS SHALL BE CUT SQUARE OR BLUNT FOR TAMPING. ALL LIMBS SHALL BE
REMOVED FROM THE SIDES OF THE LIVE CUTTING PRIOR TO INSTALLATION.
7. CUTTINGS FOR LIVE STAKES SHALL BE HARVESTED IN A MANNER SUCH THAT THEY ARE CUT, IMMEDIATELY PUT INTO
WATER TO BE SOAKED FOR 10 DAYS, AND THEN PLANTED IMMEDIATELY AFTER THE 10 DAYS ARE COMPLETED.
CUTTINGS SHALL REMAIN WET UNTIL THEY ARE PLANTED. OUTSIDE STORAGE LOCATIONS SHOULD BE CONTINUALLY
SHADED AND PROTECTED FROM WIND AND DIRECT SUNLIGHT.
8. LIVE STAKES SHALL BE TAMPED AT AN ANGLE INTO THE GROUND SURFACE WITH A DEAD BLOW HAMMER, WITH BUDS
ORIENTED IN AN UPWARD DIRECTION. STAKES SHOULD BE TAMPED UNTIL APPROXIMATELY 3/4 OF THE STAKE LENGTH
IS WITHIN THE GROUND. ANY STAKES THAT ARE SPLIT OR DAMAGED DURING INSTALLATION SHALL BE REMOVED AND
REPLACED.
9. THE AREA AROUND EACH LIVE STAKE SHALL BE COMPACTED BY FOOT AFTER THE LIVE STAKE HAS BEEN INSTALLED.
10. ONE TO TWO INCHES SHALL BE CUT CLEANLY OFF OF THE TOP OF EACH LIVE STAKE (WITH LOPPERS) AT AN ANGLE OF
APPROXIMATELY 15 DEGREES FOLLOWING INSTALLATION.
LIVE STAKE
(SEE DETAIL NOTES)
BANKFULL
EROSION CONTROL BLANKET
(SEE DETAIL SHEET 2C-2)
CHANNEL BED
\ / /
\ /‘,\/
�r
�.v
s�T
LIVE STAKE DETAIL
N.T.S.
NOTE: GEOTEXTILE FABRIC (NON -WOVEN) SHALL CONFORM TO THE FOLLOWING SPECIFICATIONS.
MECHANICAL PROPERTIES
TEST METHOD
UNIT
MINIMUM AVERAGE ROLL
VALUE
MD
CD
GRAB TENSILE STRENGTH
ASTM D 4632
N (Ibs)
912 (205)
912 (205)
GRAB TENSILE ELONGATION
ASTM D 4632
%
50
50
TRAPEZOID TEAR STRENGTH
ASTM D 4533
N (Ibs)
356 (80)
356 (80)
CBR PUNCTURE STRENGTH
ASTM D 6241
N (Ibs)
2225 (500)
APPARENT OPENING SIZE (AOS)i
ASTM D 4751
mm (U.S. SIEVE)
0.18 (80)
PERMITTIVITY
ASTM D 4491
sec -1
1.1
FLOW RATE
ASTM D 4491
1/min/m2 (gal/min/ft2)
3870 (95)
UV RESISTANCE (AT 500 HOURS)
ASTM D 4355
% STRENGTH RETAINED
70
1 ASTM D 4751: AOS IS A MAXIMUM OPENING DIAMETER VALUE
PHYSICAL PROPERTIES
TEST METHOD
UNIT
TYPICAL VALUE
WEIGHT
ASTM D 5261
g/m2 (oz/yd2)
271 (8.0)
THICKNESS
ASTM D 5199
mm (mils)
1.8 (72)
ROLL DIMENSIONS (WIDTH X LENGTH)
-
ft
12.5 X 360
15 X 300
ROLL AREA
-
m2 (yd2)
418 (500)
ESTIMATED ROLL WEIGHT
-
kg (lb)
120 (265)
NON -WOVEN GEOTEXTILE FABRIC
MATERIAL SPECIFICATIONS
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
WHITSETT, NC 27377
s,, �� 11 CARC< ,,��i
:�O.. V_SS/ •/,.�:
l�� SEAL���•) '
iit. 049073
-pI. �• �.NC I NEF'.0 c-,
.,,#,, CCA s" \Is'ss
,'Dnn . n•'''•
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
STN-2101.01
STN2101-EC
RAS
CHJ
N.T.S.
07. 07. 2022
EROSION CONTROL
DETAILS
C6.03

M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-D.dwg, 7/7/2022 3:09:58 PM, Cameron Jernigan
GENERAL NOTES:
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. BOULDER DIMENSIONS SHALL BE 3.0' X 3.5' X 2.0' (W X L X H) +/- 0.5 FT UNLESS
OTHERWISE NOTED. THE MINIMUM ACCEPTABLE BOULDER THICKNESS (H) IS 2.0'. BOULDERS LONGER (L) THAN 4.0' WILL BE ACCEPTED.
2. DIMENSIONS AND SLOPES OF THE STRUCTURES DESCRIBED IN THE DETAIL MAY BE ADJUSTED BY DESIGN ENGINEER TO FIT CONDITIONS ONSITE.
3. HEADER BOULDERS SHALL BE UNDERLAIN BY FOOTER BOULDERS TO PROVIDE A FOUNDATION AND SCOUR PROTECTION FOR THE HEADER
BOULDERS UNLESS OTHERWISE DIRECTED BY THE ENGINEER. FOOTER BOULDERS SHALL BE OFFSET 1.0 FT DOWNSTREAM OF THE HEADER
BOULDERS WHERE SCOUR POOLS ARE ANTICIPATED TO FORM AS SHOWN IN THE DETAIL.
4. HEADER BOULDERS ARE THE TOP MOST BOULDER USED IN EACH BOULDER STRUCTURE. ALL HEADER BOULDERS CAN BE SEEN PARTIALLY
PROTRUDING FROM THE WATER SURFACE DURING EXTREMELY LOW FLOWS.
5. SILL BOULDERS SHALL BE PLACED PERPENDICULAR TO THE BANKFULL FLOW DIRECTION. KEY SILL BOULDERS INTO THE STREAMBANK AT i TO 3 BKF
STAGE (MEASURED AT THE NEXT DOWNSTREAM RIFFLE).
6. THE BOULDER VANE ARM AND BOULDER J-HOOK ARM SHALL EXTEND UP TO THE OUTSIDE STREAMBANK AT A 2-5% SLOPE. BOULDER VANE ARM
SHALL TIE INTO THE STACKED BOULDER TOE.
7. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS TOGETHER TIGHTLY WITH NO VOIDS/GAPS LARGER THAN 1 INCH. GAPS BETWEEN BOULDERS
SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGING WITH NC DOT CLASS A ROCK OR CHINKING STONE APPROVED BY THE
ENGINEER. BOULDERS SHALL BE FLUSH WITH THE TOP SURFACES OF ADJACENT STONES.
8. SET BOULDER INVERTS AT ELEVATIONS SHOWN ON THE PLAN AND PROFILE SHEETS. NO ELEVATIONS OF THE BOULDERS MAY VARY FROM THE PLAN
SHEETS WITHOUT DIRECTION FROM THE ENGINEER.
9. NON -WOVEN GEOTEXTILE FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH
BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE
PLACED THE ENTIRE LENGTH OF THE STRUCTURE. SELECT BACKFILL MATERIAL SHALL BE PLACED UPSTREAM OF THE GEOTEXTILE MATERIAL.
10. SELECT BACKFILL AND SOIL BACKFILL MATERIAL SHALL BE A WELL GRADED BLEND OF NCDOT CLASS A RIP -RAP AND ASTM #57 ROCK MIXED WITH
EARTH. SELECT BACKFILL MATERIAL SHALL BE COMPACTED SUCH THAT FUTURE SETTLEMENT OF THE MATERIAL IS KEPT TO A MINIMUM.
11. 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.
12. 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.
BANKFULL
EXTEND VANE ARM AND SILL
INTO STREAMBANK MIN. 10 FT
OR THREE BOULDER LENGTHS.
KEY BOULDERS INTO STREAM
BANK AT 3 TO BKF STAGE
HEADER
BOULDER
ARM SLOPE=2-5%
HEADER
BOULDER
SELECT BACKFILL
MATERIAL
NON -WOVEN
GEOTEXTILE
INVERT
STREAM BED ELEVATION
\/// FOOTER
SECTION A - A' BOULDER
FLOW
FOOTER
BOULDER
BANKFULL WSE
1.0 FT OFFSET
/
SECTION B - B'
SCOUR POOL D/S
OF J-HOOK
BOWL -OUT BANK
U/S OF VANE ARM
NON -WOVEN
GEOTEXTILE
0 0
0 0
0
EXTEND VANE ARM INTO
STREAMBANK MIN. 10.0 FT
OR THREE FULL BOULDER
LENGTHS
SELECT BACKFILL
MATERIAL BEHIND
STRUCTURE
0
0
0
0 °
0 0
co
40BKF
1 I I 11 I I I ilit, ',._
11 t
"0.0
°° ° 0
o 0 0
0
�� i o 0
00`►��
° 0
0
o 0
0 0
0
- HIGH DENSITY
LIVE STAKING
KEY BOULDERS INTO
STREAMBANK AT 3
TO Z3 BKF STAGE
KEY BOULDERS INTO
STREAMBANK MIN. 10FT
OR THREE BOULDER
LENGTHS.
PLACE BOULDERS INTO
STREAMBED A MINIMUM OF
THE BOULDER DIAMETER
BOULDER VANE WITH BOULDER J-HOOK
N.T.S.
co
FOOTER
BOULDER
SCOUR
POOL I
I
/
PLAN VIEW
BANKFULL WSE
HEADER
BOULDER
BANKFULL
INVERT ELEVATION
PER PROFILE
' //\./2
CROSS-SECTION
EXTEND BOULDER SILL INTO
STREAMBANK MIN. 10.0 FT
OR THREE FULL BOULDER
LENGTHS
0
GENERAL NOTES:
1. FOOTER BOULDERS SHOULD BE FLAT AND RECTANGULAR AND PROVIDE AN EVEN SURFACE FOR STACKING.
2. BOULDERS SHALL BE ANGULAR, FLAT, OR CUBED ROCK. INDIVIDUAL ROCK FRAGMENTS SHALL BE DENSE,
SOUND, AND FREE FROM CRACKS, SEAMS OR OTHER DEFECTS CONDUCIVE TO ACCELERATED WEATHERING.
NO CONCRETE, MAN-MADE ROCKS, OR SOFT ROCKS SHALL BE USED FOR THE CONSTRUCTION OF THE BOULDER
TOE REVETMENT. BOULDER DIMENSIONS SHALL BE 3.0' X 3.5' X 2.0' (W X L X H) +/- 0.5 FT. THE MINIMUM
ACCEPTABLE BOULDER THICKNESS (H) IS 2.0'. BOULDERS LONGER (L) THAN 4.0' WILL BE ACCEPTED.
3. BOULDERS SHALL BE PLACED BY MECHANICAL OR OTHER ACCEPTABLE METHODS, MINIMIZING VOIDS. THE
BOULDERS SHALL BE PLACED TO FORM A NEAT AND UNIFORM SURFACE AREA. NO MORTAR IS PERMITTED.
4. COMPACTED FILL MATERIAL SHALL BE CONSIDERED SUITABLE SOIL MATERIAL, FREE OF ROOTS, STICKS, ROCKS,
BRUSH, LITTER AND OTHER OBJECTIONABLE MATERIAL.
5. NO SIGNIFICANT VOIDS SHOULD EXIST BETWEEN ADJOINING FOOTER AND TOP ROCK. IN ORDER TO PREVENT
PIPING OF WATER THROUGH STRUCTURE ROCKS, THE CONTRACTOR SHALL CHINK BY HAND OR EQUIPMENT
ALL UNDESIRABLE VOIDS WITH SMALLER ROCKS SUCH AS ANY EXISTING STREAMBED MATERIAL OR SPECIFIED
SUBSTRATE.
CONSTRUCTION GUIDELINES:
1. ALL EROSION AND SEDIMENT CONTROL DEVICES SHOULD BE INSTALLED IN ACCORDANCE WITH THE APPROVED
EROSION CONTROL PLAN.
2. CHANNEL FLOW SHOULD BE DIVERTED AWAY FROM THE WORK AREA IN ACCORDANCE WITH THE APPROVED
EROSION CONTROL PLAN AND SITE SHOULD BE DEWATERED.
3. LOOSE MATERIAL AT THE TOE OF THE EMBANKMENT SHOULD BE EXCAVATED UNTIL A STABLE FOUNDATION IS
REACHED.
4. EXCAVATE THE STREAM BANK UNTIL A STABLE SLOPE ANGLE IS ACHIEVED. THE SUBGRADE SHOULD BE
SMOOTH, FIRM, AND FREE FROM PROTRUDING OBJECTS OR VOIDS THAT WOULD EFFECT THE PROPER
POSITIONING OF THE FIRST LAYER OF STONES AND FILTER FABRIC. REMOVE ROOTS, TWIGS, AND OTHER DEBRIS
IN BOULDER TOE EXCAVATION LIMITS.
5. COARSE BACKFILL MATERIAL AND A BEDDING COURSE CONSISTING AASHTO NO. 57 STONE SHALL BE INSTALLED
BELOW THE FIRST ROW OF BOULDERS. IF BEDROCK IS ENCOUNTERED ONSITE, THE FIRST LIFT OF BOULDERS
SHALL BE PLACED DIRECTLY ON THE BEDROCK. THE FIRST ROW OF BOULDERS SHALL EXTEND BELOW THE
STREAM BED A MINIMUM OF 1.0'. INSTALL EACH LIFT OF BOULDERS WITH A 0.5 FT SETBACK FROM THE FRONT
EDGE OF THE PREVIOUS LIFT OF BOULDERS.
6. INSTALL BOULDER LIFTS UP TO 3.0 FT ABOVE THE UPSTREAM INVERT ELEVATION PER THE DESIGN PROFILE.
INSTALL SOIL LIFTS ON TOP OF THE BOULDER TOE STRUCTURE AT A 2H:1V GRADE OR FLATTER TO TIE INTO
EXISTING GRADE (SEE DETAIL ON THIS SHEET).
7. PLACE NON WOVEN GEOTEXTILE FILTER FABRIC LOOSELY AND EVENLY ON PREPARED FILL SLOPE AND SECURE
WITH STAPLES 2 FEET ON -CENTER MAXIMUM. RETAIN A SUITABLE LENGTH OF NON WOVEN GEOTEXTILE
FABRIC TO CONTINUE 12" PAST THE FOOTER ROCK. ADJACENT STRIPS SHOULD OVERLAP 12 INCHES AND BE
STAPLED ON 12 INCH CENTERS. UPSTREAM OR UPSLOPE FILTER FABRIC SHOULD ALWAYS BE PLACED OVER THE
DOWNSTREAM OR DOWNSLOPE FILTER FABRIC. IF THE FILTER FABRIC IS TORN OR DAMAGED DURING
CONSTRUCTION, IT SHOULD BE REPAIRED OR REPLACED. STAPLES SHALL BE 0.125 INCHES DIAMETER NEW
STEEL WIRE FORMED INTO A "U" SHAPE NOT LESS THAN 6 INCHES IN LENGTH WITH A THROAT OF 1 INCH
WIDTH.
8. FOOTER ROCKS SHALL BE PLACED INDIVIDUALLY AND KEYED INTO THE CHANNEL, BED, STREAM BANK AS
SHOWN IN THE DETAIL. THE TOP ROCKS OF THESE STRUCTURES SHALL BE PLACED LINEARLY, WITH TIGHT AND
CONTIGUOUS SURFACE CONTACT WITH ADJACENT ROCK. ENSURE THE ROCKS ARE STACKED SO THE PLACED
STONE RESTS ON TWO STONES IN THE TIER BELOW IT. HEADER BOULDERS SHOULD BE SET SLIGHTLY BACK
FROM FOOTER BOULDERS SUCH THAT PART OF THE HEADER BOULDER IS RESTING ON THE POROUS BACKFILL.
9. PLACEMENT OF COARSE BACKFILL SHOULD OCCUR CONCURRENTLY WITH THE PLACEMENT OF EACH
CONSECUTIVE ROCK LAYER. THE BACKFILL SLOPE ANGLE SHOULD BE 2H:1V OR FLATTER BUT SHOULD ALWAYS
PROVIDE AT MINIMUM POSITIVE DRAINAGE.
10. IF GEOTEXTILE IS PUNCTURED DURING BOULDER PLACEMENT, THE BOULDERS SHALL BE FULLY REMOVED FOR
AT LEAST THREE FEET OUTSIDE THE LIMITS OF THE FABRIC PUNCTURE AND A NEW GEOTEXTILE PATCH WITH
MINIMUM OVERLAP SHALL BE SECURELY FASTENED OVER THE PUNCTURE WITH SECURING PINS.
EROSION CONTROL BLANKET
(SEE DETAIL SHEET C6.03)
BANKFULL
SOIL LIFTS
(SEE DETAIL ON
THIS SHEET)
MIN. 2.0-FT (H)
BOULDERS
BASEF
EXISTING GRADE
(TYP.)
STREAM BED
6" MIN
TOPSOIL (TYP.)
'IIIII I I -III
BOULDER TOE REVETMENT
N.T.S.
SECTION VIEW
LIVE STAKES
(SEE DETAIL SHEET C6.03)
EXISTING GRADE
(TYP.)
I
IF
INSITU SOILS
COMPACTED SUITABLE
FILL MATERIAL
(SEE GENERAL NOTE 6)
NON WOVEN GEO-TEXTILE
FABRIC (TYP.)
COARSE BACKFILL COMPOSED
OF AASHTO NO. 57 STONE
(MAX OF 5% FINES)
EXCAVATION LIMITS
(TYP.)
EMBED FOOTER BOULDERS
(MINIMUM 1')
GRAVEL SUBBASE
NON WOVEN GEOTEXTILE
FABRIC TO EXTEND MIN.
12" PAST FOOTER ROCK
GENERAL NOTES:
1. DO NOT EXCEED A 2H:1V SLOPE FOR SOIL LIFTS
2. MAXIMUM LIFT THICKNESS 12", MINIMUM, 6".
3. KEY -IN AND OVERLAP LIFTS A MINIMUM OF 1'.
4. EACH SOIL LIFT WILL BE SECURELY STAKED AND KEYED INTO THE EXISTING BANK.
5. WOODEN STAKES SHALL BE DESIGNED TO SAFELY AND EFFECTIVELY SECURE EROSION CONTROL
BLANKETS, COIR LOGS, FASCINES, AND OTHER BIOENGINEERED STRUCTURES FOR TEMPORARY OR
PERMANENT APPLICATIONS.
6. SOIL LIFT FILL MATERIAL SHALL BE TOPSOIL OR 50 PERCENT MIX OF TOPSOIL AND SUITABLE SOIL
MATERIAL AS DETERMINED BY THE DESIGN ENGINEER. ALL FILL MATERIAL SHALL BE FREE OF ROOTS,
STICKS, ROCKS, BRUSH, LITTER AND OTHER OBJECTIONABLE MATERIAL.
7. LIVE CUTTINGS SHALL MEET ALL OF THE SPECIFICATIONS STATED IN THE LIVE STAKES DETAIL (SHEET
C6.03) EXCEPT THAT LIMBS SHALL REMAIN ON THE SIDES OF THE CUTTING IN THIS APPLICATION. THE
LIVE BRANCHES SHOULD BE RELATIVELY STRAIGHT, WITH NO VISIBLE SIGNS OF DISEASE, DAMAGE OR
DEFORMITY.
CONSTRUCTION GUIDELINES:
1. INSTALL SUBGRADE GRADING AND BOULDER TOE TO FINISHED ELEVATIONS, REMOVING ROOTS,
TWIGS, AND OTHER DEBRIS WHICH WOULD PREVENT THE MATTING FROM BEING LAID FLUSH TO
THE FINISHED SURFACE.
2. PLACE EROSION CONTROL BLANKET ON TOP OF THE SUBGRADE/BOULDER TOE PERPENDICULAR TO
THE DIRECTION OF STREAM FLOW. RETAIN A SUITABLE LENGTH OF EROSION CONTROL BLANKET TO
CONTINUE MATTING UP THE SLOPE. INSTALL THE EROSION CONTROL BLANKET SUCH THAT THE
UPSTREAM SIDE WILL BE ON TOP AND WILL OVERLAP THE DOWNSTREAM SIDE BY AT LEAST ONE
FOOT AS NECESSARY TO COVER THE LONGITUDINAL LENGTH REQUIRED.
3. PLACE SALVAGED AND/OR FURNISHED TOPSOIL UPON EROSION CONTROL BLANKET TO
APPROPRIATE GRADE ELEVATION AND BANK SLOPE. PLACE SELECT FILL TO A VERTICAL DEPTH OF 12
INCHES AND MINIMUM OF 4 FEET IN LENGTH. TAMP SOIL FIRMLY.
4. APPLY PERMANENT SEED TO TOPSOIL IN ACCORDANCE WITH PLANTING SCHEDULES, SEED MIXES,
AND PLANTING AS DESIGNED AND AS SPECIFIED. SEED MIXTURE TO BE APPLIED TO FRONT PORTION
OF LIFT THAT WILL BE LEFT EXPOSED.
5. ENCAPSULATE THE TOPSOIL WITH UNBURIED LENGTH OF EROSION CONTROL BLANKET TO COVER
THE LIFT. FASTEN EROSION CONTROL BLANKET WITH WOODEN STAKES. HANDLE THE FABRIC AND
SOIL MATERIALS IN A MANNER THAT DOES NOT DAMAGE THE MATTING OR DEPOSIT SOIL
MATERIAL IN THE STREAM CHANNEL. REPAIRS AND FABRIC REPLACEMENT ARE THE RESPONSIBILITY
OF THE CONTRACTOR.
6. AFTER SOIL LIFT IS COMPLETED, THE LIVE CUTTINGS SHALL BE CRISS-CROSSED ON TOP OF THE LIFT
AT 8 TO 12 BRANCHES PER LINEAR FOOT ALONG THE STREAM BANK. THE BASAL END OF THE
BRANCHES SHOULD EXTEND AT LEAST 1 FOOT PAST THE BACK OF THE SOIL LIFT, AGAINST THE BACK
OF THE EXCAVATION. NO MORE THAN 6 INCHES OF THE BUDDING END OF THE LIVE BRANCH
SHOULD EXTEND PAST THE FRONT OR FINISHED FACE OF THE SOIL LIFT. ORIENT THE BRANCHES SO
THE EXPOSED PORTIONS HAVE THEIR BUDS FACING UPWARDS AND REMOVE THE TERMINAL BUD
TO PROMOTE ROOT AND STEM DEVELOPMENT.
7. COVER THE LIVE BRANCHES WITH TOPSOIL TO CREATE AN EVEN SURFACE FOR THE CONSTRUCTION
OF THE NEXT LIFT.
8. REPEAT TO FORM UNTIL A MINIMUM 3 SOIL LIFTS HAVE BEEN CREATED AT A SLOPE NO STEEPER
THAN 2H:1V.
9. INSTALL LIVE STAKES IN FINISHED SLOPE AND/OR APPROVED PLANTING PLAN.
INSTALL EROSION CONTROL BLANKET IN
6" TRENCH, ANCHOR WITH WOODEN STAKE
(PREFERRED) OR STAPLE, BACKFILL, AND
COMPACT. RESTORE DISTURBED AREA WITH
TOPSOIL, SEEDING, AND PLANTING
ESTABLISHED PERMANENT SEEDING
(SEE SHEET L5.00)
EROSION CONTROL
BLANKET (SEE DETAIL)
LIVE CUTTINGS
(SEE GENERAL
NOTE 7)
SOIL LIFTS
MAX HEIGHT 12"
TOPSOIL OR 50% MIX
(SEE NOTES)
2
I
-MIN = 411Fir _ _
lIg -41-I I-� I -I I
MATTING EMBEDMENT
SOIL LIFTS
N.T.S.
LIVE STAKES
(SEE SHEET C6.03)
EXISTING
GRADE (TYP.)
T711
WEI
MEW-
I
INSITU SOILS
WOODEN STAKE
COARSE AGGREGATE
FILTER LAYER
SECTION VIEW
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
MCADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PIEDMONT CONSERVATION COUNCIL
201 E MAIN ST, 5TH FLOOR
DURHAM, NC 27701
PHONE: [phone]
WHITSETT, NC 27377
fSS/5• „5,‘
.ate SEAL 049073 ) i
'''' C I ' NEF' .•'
.,��ps,(t7
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
STN-2101.01
STN2101-D
RAS
CHJ
N.T.S.
07. 07. 2022
STREAM DETAILS
C8.00

GENERAL NOTES:
GRADING AND SOIL PREPARATION NOTES:
TEMPORARY SEEDING SCHEDULE:
M:\Projects\STN\000STN2101.00 - StoneyCreek HOA Contract\04-Production\Water Resources\Current Drawings\STN2101-L.dwg, 7/7/2022 3:12:31 PM, Cameron Jernigan
1. ALL RIPARIAN BUFFER AREAS WITHIN THE LIMITS OF DISTURBANCE TO BE SEEDED TO SPECIFICATIONS UNLESS
OTHERWISE NOTED.
2. ALL AREAS OUTSIDE OF THE LIMITS OF DISTURBANCE TO REMAIN IN THEIR NATURAL CONDITION.
3. CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN FIELD. ANY DISCREPANCIES SHALL BE REPORTED TO THE OWNER AND
DESIGNER, PRIOR TO PROCEEDING WITH THE WORK.
4. THE CONTRACTOR IS RESPONSIBLE FOR HAVING ALL UTILITIES LOCATED 48 HOURS PRIOR TO MOBILIZATION TO THE SITE.
"CALL BEFORE YOU DIG." TOLL FREE NUMBER (800-698-4949).
5. CONTRACTOR SHALL VERIFY LOCATIONS AND ELEVATIONS OF ALL EXISTING UTILITIES (IF ANY).
SEQUENCE OF PLANTING EVENTS:
THE CONTRACTOR IS RESPONSIBLE FOR THE FOLLOWING GENERAL SEQUENCE OF CONSTRUCTION:
1. SET UP STAGING AREAS AND ACCESS ROADS. INSTALL CONSTRUCTION ENTRANCES, SILT FENCE, AND SILT FENCE
OUTLETS (AS REQUIRED). SEE EROSION AND SEDIMENT CONTROL DETAILS FOR ADDITIONAL INSTRUCTIONS.
2. CONTRACTOR TO STOCKPILE AND STAGE MATERIALS ONLY AT THE LOCATIONS SHOWN ON THE PLANS UNLESS
OTHERWISE APPROVED BY THE DESIGNER. NO WASTE STOCKPILING IS ALLOWED. ALL WASTE MATERIALS MUST BE
REMOVED FROM THE FLOODPLAIN AND THE PROJECT SITE.
3. PREPARE PLANTING AREAS AS NEEDED. APPLY TEMPORARY OR PERMANENT SEED. SEE PLANTING NOTES AND SEEDING
NOTES THIS SHEET FOR ADDITIONAL INSTRUCTIONS.
4. PLANT SITE ACCORDING TO THE PLANTING SPECIFICATIONS.
5. IN SEEDED AREAS, TO LIMIT EROSION POTENTIAL, THE CONTRACTOR SHALL LIMIT SUB -GRADE AND FINISH GRADE
PREPARATION TO AREAS THAT WILL BE PLANTED IMMEDIATELY. PREPARED AREAS SHALL BE MOISTENED PRIOR TO
SEEDING WHEN THE SOIL IS DRY, BUT CARE SHALL BE TAKEN TO NOT CREATE MUDDY CONDITIONS.
6. COMPLETE ALL FINAL SITE WORK NECESSARY TO COMPLETE THE PROJECT.
PLANTING NOTES:
1. THE PLANTING STOCK SHALL BE GROWN WITHIN THE PIEDMONT REGION BY NURSERIES WITHIN 200 MILES OF THE
PROJECT SITE. THE SEED SOURCES FOR THE PLANT MATERIAL SHALL ALSO BE FROM THE PIEDMONT REGION AND SHALL
BE OBTAINED WITHIN 200 MILES OF THE PROJECT SITE. PLANT STOCK AND SEED MIXES MAY BE USED FROM NURSERIES
BEYOND THE 200 MILE LIMIT WITH THE APPROVAL OF THE DESIGNER.
2. THE CONTRACTOR (I.E. PLANTING SUPERVISOR) INSTALLING THE VEGETATION SHALL HAVE ONE OF THE FOLLOWING
QUALIFICATIONS / CERTIFICATIONS: CERTIFIED LANDSCAPE TECHNICIAN, CERTIFIED PLANT PROFESSIONAL, REGISTERED
FORESTER, REGISTERED LANDSCAPE CONTRACTOR, OR CERTIFIED NURSERYMEN.
3. THE CONTRACTOR (I.E. PLANTING SUPERVISOR) WILL BE RESPONSIBLE FOR MANAGING ALL ACTIVITIES INVOLVING
PERMANENT PLANTING, INCLUDING BUT NOT LIMITED TO THE FOLLOWING: SITE PREPARATION FOR PLANTING, SEEDLING
HANDLING AND STORAGE, PLANTING OPERATIONS, QUALITY CONTROL INSPECTIONS, AND MANAGING PLANT
COMPETITION.
4. THE PLANTING PERIOD FOR THIS PROJECT SHALL OCCUR IN THE FALL OR WINTER (IF THE GROUND IS NOT FROZEN).
PLEASE NOTE PLANTING SHALL NOT TAKE PLACE IF ANY OF THE FOLLOWING OCCUR: (1) THE TEMPERATURE IS BELOW
32°F, (2) THE SOIL TO BE EXCAVATED FOR THE PLANT HOLE IS FROZEN, OR (3) THE SOIL TO BE USED FOR BACKFILLING IS
FROZEN OR TOO WET.
5. FOR ALL PLANTED MATERIAL (BARE ROOT / CONTAINERIZED SEEDLINGS, LIVE STAKES, AND PERMANENT SEEDING) THE
CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING (I.E. A WARRANTY) AN 80% SURVIVAL RATE FOR THE DURATION
OF THE FIRST YEAR MONITORING PERIOD. ANY COSTS ASSOCIATED WITH REPLACING PERMANENT PLANTINGS THAT DO
NOT SURVIVE THE FIRST YEAR SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. PLEASE NOTE THE ONE-YEAR
MONITORING PERIOD BEGINS UPON ACCEPTANCE OF THE PERMANENT PLANTINGS BY THE DESIGNER. AT THE END OF
THE FIRST YEAR MONITORING PERIOD, AN ON -SITE INSPECTION WILL BE CONDUCTED BETWEEN THE CONTRACTOR AND
DESIGNER. AT THAT TIME, THE CONTRACTOR WILL BE DIRECTED ACCORDINGLY ON REPLACEMENT OF ANY NECESSARY
PLANTINGS.
6. THE ONE-YEAR WARRANTY SHALL INCLUDE MORTALITY AND POOR GROWTH DEFECTS, BUT SHALL NOT INCLUDE DEFECTS
RESULTING FROM ABUSE BY OTHER PARTIES AND ABNORMAL WEATHER CONDITIONS. PLEASE NOTE THE 80% SURVIVAL
RATE IS A MINIMUM STANDARD AND THE CONTRACTOR MAY PROVIDE ADDITIONAL MEASURES THEY DETERMINE WILL
BE BENEFICIAL TO PLANT SURVIVABILITY. ANY ADDITIONAL MEASURES WILL BE CONSIDERED PART OF THE 80% SURVIVAL
CLAUSE AND WILL NOT CONSTITUTE A CHANGE ORDER. THIS MAY INCLUDE, BUT IS NOT LIMITED TO, SOIL AMENDMENTS,
IRRIGATION, AND MULCH.
7. AT THE CONTRACTOR'S DISCRETION, THE PROPAGATION METHOD LISTED FOR EACH PLANT MAY BE ALTERED IF IT IS
LIKELY TO IMPROVE SURVIVABILITY. THIS WILL BE SOLELY AT THE CONTRACTOR'S DISCRETION AND WILL THEREFORE NOT
BE CONSIDERED A CHANGE ORDER. ALSO, NO CHANGE IN THE PLANTING DENSITY WILL BE GIVEN.
8. THE CORRECT SPACING OF VEGETATION WITHIN THE PLANTING ZONE SHOULD BE CHECKED BY THE PLANTING
SUPERVISOR ON A REGULAR BASIS.
1. THE TOPSOIL MUST BE STOCKPILED.
2. ANY AREAS ON THE SITE THAT ARE COMPACTED DURING THE CONSTRUCTION PROCESS, MUST BE DEEP TILLED TO
ENSURE THAT THE ROOT GROWTH OF THE PLANTS WILL NOT BE IMPEDED BY COMPACTED SOIL. THIS DOES NOT INCLUDE
ANY AREAS THAT ARE PURPOSEFULLY COMPACTED IN THE SUBSOIL TO PREVENT THE DOWNWARD MOVEMENT OF
WATER.
3. ALL TOPSOIL SHALL BE STOCKPILED SEPARATELY FROM ANY SUBSOIL MATERIAL.
4. ANY AREA THAT HAS FILL APPLIED TO IT OR ANY AREA EXCAVATED TO THE SUBSOIL MUST BE TOP DRESSED WITH AT
LEAST 4 INCHES OF STOCKPILED TOPSOIL. BEFORE THE APPLICATION OF TOPSOIL, THE SURFACE MUST BE TILLED TO
ENSURE GOOD INTERACTION BETWEEN THE TOPSOIL AND THE SUBSOIL.
5. UPON COMPLETION OF FINAL GRADING, THE PLANTING SUPERVISOR SHALL CONDUCT A SITE ASSESSMENT TO
DETERMINE IF THE SOIL IS APPROPRIATELY PREPARED FOR PLANTING. IF ANY PROBLEMS EXIST, THEY SHALL BE NOTED
AND CORRECTED BEFORE PLANTING MAY COMMENCE.
6. TO PROMOTE PROPER GROWTH, THE CONTRACTOR SHALL DEEPLY TILL AND SCARIFY THE PLANTING ZONES TO ENSURE
THAT THE ROOT GROWTH OF THE PLANTS WILL NOT BE IMPEDED BY COMPACTED SOIL. ANY SUB -SURFACE HARDPANS
WITHIN THE PLANTING ZONE SHALL BE ELIMINATED. RIPPING, DISKING, OR RAKING SHALL BE PERFORMED IN ALL AREAS
TO BE SEEDED TO A MINIMUM DEPTH OF 3 INCHES TO 4 INCHES.
7. IN SEEDED AREAS, TO LIMIT EROSION POTENTIAL, THE CONTRACTOR SHALL LIMIT SUB -GRADE AND FINISH GRADE
PREPARATION TO AREAS THAT WILL BE PLANTED IMMEDIATELY. PREPARED AREAS SHALL BE MOISTENED PRIOR TO
SEEDING WHEN THE SOIL IS DRY, BUT CARE SHALL BE TAKEN TO NOT CREATE MUDDY CONDITIONS.
8. THE PLANTING ZONE SHALL NOT BE GRADED LEVEL. MICROTOPOGRAPHY IS DESIRED TO PROMOTE DIFFUSE FLOW AND
SURFACE WATER STORAGE. MICROTOPOGRAPHICAL DEPRESSIONS SHALL NOT BE GREATER THAN 6 INCHES IN DEPTH.
9. UPON COMPLETION OF FINAL GRADING, THE PLANTING SUPERVISOR SHALL CONDUCT A SITE ASSESSMENT TO
DETERMINE IF THE SOIL IS APPROPRIATELY PREPARED FOR PLANTING. IF ANY PROBLEMS EXIST, THEY SHALL BE
NOTED AND CORRECTED BEFORE PLANTING MAY COMMENCE.
SEEDBED PREPARATION
1. APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS. SOILS WITH A PH OF 6 OR HIGHER NEED NOT BE LIMED. IF
RECENT TILLAGE OPERATIONS HAVE RESULTED IN A LOOSE SURFACE, ADDITIONAL ROUGHENING MAY NOT BE REQUIRED
EXCEPT TO BREAK UP LARGE CLODS. IF RAINFALL CAUSES THE SURFACE TO BECOME SEALED OR CRUSTED, LOOSEN IT
JUST PRIOR TO SEEDING BY DISKING, RAKING, HARROWING, OR OTHER SUITABLE METHODS.
SEEDBED PREPARATION WITHIN LIMITS OF DISTURBANCE AREAS ONLY
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO 6 INCHES DEPTH.
3. REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND
UNIFORM.
4. PER ONE TIME ONLY, APPLY LIME UNIFORMLY AND MIX WITH SOIL.
5. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM, RESONABLY UNIFORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP.
6. SEED ON FRESHLY PREPARED SEEDBED AND COVER.
7. MULCH IMMEDIATLEY AFTER SEEDING AND ANCHOR MULCH.
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING SEASON, IF
POSSIBLE.
9. CONSULT INSPECTOR ON MAINTENANCE TREATMENT AFTER PERMANENT COVER IS ESTABLISHED.
PLANTING ZONES
T + + 1.- +
+ + + +
+ ++++
�+ + + +
-I_ + �
+ ++
PERMANENT SOD - BERMUDA
AREA = 2,600 SF (0.06 AC)
PERMANENT SEED MIX
AREA = 6,700 SF (0.15 AC)
PERMANENT RIPARIAN SEED MIX
AREA = 800 SF (0.02 AC)
PERMANENT RIPARIAN SEED MIX + LIVE STAKES
AREA = 2,500 SF (0.06 AC)
l
r
/
/
/
TEMPORARY SEEDING SHALL BE APPLIED AS NEEDED DURING CONSTRUCTION TO STABILIZE BARE OR DISTURBED AREAS OF SOIL AND AT THE COMPLETION
OR ALL GRADING AND EARTHWORK ACTIVITIES WITHIN A PARTICULAR AREA OF THE SITE. PERMANENT SEED MAY BE DISTRIBUTED WITH TEMPORARY SEED
UPON THE FINAL APPLICATION OF TEMPORARY SEED.
SEEDING DATE SEEDING MIXTURE
AUG 15 - MAY 1 RYE (GRAIN)
AUG 15 - MAY 1 WHEAT
MAY 1 - AUG 15 GERMAN MILLET
MAY 1 - AUG 15 BROWNTOP MILLET
SEEDING METHODS
APPLICATION RATE
30 LBS/AC
30 LBS/AC
10 LBS/AC
10 LBS/AC
1. EVENLY APPLY SEED USING A CYCLONE SEEDER, DRILL, CULTIPACKER SEEDER, OR HYDROSEEDER. THIS MUST BE DONE WITHIN 48 HOURS OF LAND
DISTURBING ACTIVITIES.
2. MULCH WITH CLEAN WHEAT STRAW.
3. AFTER SEEDING, APPLY MULCH TO AREAS UNDER HARSH CONDITIONS SUCH AS AREAS THAT HAVE BEEN GRADED, OR THOSE WHICH WILL RECEIVE
CONCENTRATED FLOWS. AREAS CONSIDERED TO BE UNDER HARSH CONDITIONS WILL BE CONSIDERED THE AREAS GRADED FOR THE WETLAND VALLEY.
4. RESEED AND MULCH AREAS WHERE SEEDLING EMERGENCE IS LESS THAN 80% COVERAGE, OR WHERE EROSION OCCURS, AS SOON AS POSSIBLE. DO
NOT MOW. PROTECT FROM TRAFFIC AS MUCH AS POSSIBLE.
NOTES
1.
TEMPORARY ANNUAL SEED SELECTION SHOULD BE BASED ON SEASON OF PROJECT INSTALLATION.
2. A SINGLE SPECIES FOR TEMPORARY COVER IS ACCEPTABLE
3. IN SOME CASES WHERE SEASONS OVERLAP, A MIXTURE OF TWO OR MORE SPECIES MAY BE NECESSARY. HOWEVER, APPLICATION RATES SHOULD NOT
EXCEED THE TOTAL RECOMMENDED RATE PER ACRE.
4. TEMPORARY SEED SHOULD BE MIXED AND APPLIED SIMULTANEOUSLY WITH THE PERMANENT SEED MIX IF OPTIMAL PLANTING DATES ALLOW.
PERMANENT SEEDING SCHEDULE:
PLANT MATERIAL SELECTION
1. REFER TO THIS SHEET FOR APPROPRIATE SELECTIONS OF NATIVE PERMANENT SEEDS.
2. PERMANENT SEED INCLUSION IN THE MIXTURE SHOULD TOTAL 15 LBS OF PURE LIVE SEED (PLS) PER ACRE DRILLED OR 15-20 LBS pls/AC BROADCAST
APPLIED.
3. AT LEAST4 SPECIES SHOULD BE SELECTED FOR THE MIXTURE INCLUDING ONE SPECIES FROM EACH TYPE (WARM SEASON, COLD SEASON, WETLAND).
SELECTION OF MORE THAN 4 SPECIES IS RECOMMENDED FOR INCREASING CHANCES OF SUCCESSFUL VEGETATION ESTABLISHMENT.
4. IF OTHER SPECIES SUCH AS WILDFLOWERS ARE ADDED TO THE MIX, THEY SHOULD NOT BE COUNTED IN THE MINIMUM SEEDING RATE FOR GRASSES.
SEEDBED PREPARATION
1. DISTURBED SOILS WITHIN RIPARIAN AREAS MUST BE AMENDED TO PROVIDE AN OPTIMUM ENVIRONMENT FOR SEED GERMINATION AND SEEDLING
GROWTH.
2. THE pH OF THE SOIL MUST BE SUCH THAT IT IS NOT TOXIC AND NUTRIENTS ARE AVAILABLE.
3. SOIL ANALYSIS SHOULD BE PERFORMED TO DETERMINE NUTRIENT AND LIME NEEDS OF EACH SITE.
4. APPROPRIATE pH LEVELS ARE BETWEEN 5.5 - 7.
5. RIPARIAN BUFFERS REGULATED FOR NUTRIENT MANAGEMENT MAY BE LIMITED TO A SINGLE APPLICATION OF FERTILIZER.
6. SUITABLE MECHANICAL MEANS SUCH AS DISKING, RAKING, OR HARROWING MUST BE EMPLOYED TO LOOSEN COMPACTED SOIL PRIOR TO SEEDING.
PLANTING
1. APPLY SEED UNIFORMLY WITH A CYCLONE SEEDER, DROP -TYPE SPREADER, DRILL, OR HYDROSEEDER ON A FIRM, FRIABLE SEEDBED.
2. IN FINE SOILS, SEEDS SHOULD BE DRILLED 0.25 - 0.5 INCHES. IN COARSE SANDY SOILS, SEEDS SHOULD BE PLANTED NO DEEPER THAN 0.75 INCHES.
MULCH
1. MULCH ALL PLANTINGS IMMEDIATELY AFTER SEEDING.
2. IF PLANTING ON STREAM BANKS STEEPER THAN 10% OR AREAS SUBJECT TO FLOODING, A BIODEGRADABLE ROLLED EROSION CONTROL PRODUCT IS
RECOMMENDED TO HOLD SEED AND SOIL IN PLACE.
MAINTENANCE
1. THE RECOMMENDED PERMANENT GRASS SPECIES MAY REQUIRE TWO YEARS FOR ESTABLISHMENT, DEPENDING ON SITE CONDITIONS.
2. INSPECT SEEDED AREAS FOR FAILURE AND MAKE NECESSARY REPAIRS, SOIL AMENDMENTS, AND RE-SEEDINGS.
3. IF WEEDY EXOTIC SPECIES HAVE TAKEN OVER THE AREAS AFTER THE FIRST GROWING SEASON, THE INVASIVE SPECIES MUST BE ERADICATED TO ALLOW
NATIVE SPECIES TO GROW.
4. MONITOR THE SITE UNTIL LONG-TERM STABILITY HAS BEEN ESTABLISHED.
PERMANENT RIPARIAN SEED MIX SPECIES
SPECIES (COMMON NAME)
MIN. PERCENTAGE
Panicum rigidulum (Redtop Panicgrass)
25
Panicum anceps (Beaked Panicgrass)
21
Chasmanthium latifolium (River Oats)
20
Elymus virginicus (Virginia Wildrye)
20
Sorghastrum nutans (Indiangrass)
10
Juncus coriaceous (Leathery Rush)
2
Agrostis hyemalis (Winter Bentgrass)
2
TOTAL =
100
-
0
GRAPHIC SCALE
10 20
40
1 inch = 20 ft.
LIMITS OF DISTURBANCE
0.33 AC
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----------------
MC ADA M S
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
CLIENT
PIEDMONT CONSERVATION COUNCIL
DURHAM, NC 27701
PHONE: [phone]
LIU < LTJ
CeLIJOD
14
co
< 0
WHITSETT, NC 27377
0S4E90A7L3 )
------------------
REVISIONS
NO.
DATE
PLAN INFORMATION
PROJECT NO.
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
RAS
CHJ
07. 07. 2022
PLANTING PLAN
L5.00

Action ID Number: SAW-2022-01533
Permittee: Piedmont Conservation Council, Attn: Emma Jablonski
Project Name: Rock Creek Bank Stabilization / Gibsonville
Date Verification Issued: 09/08/2022
Project Manager: David E. Bailey
County: Guilford
Upon completion of the activity authorized by this permit and any mitigation required by the permit,
sign this certification and return it to the following address:
US ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Attn: David E. Bailey
Raleigh Regulatory Office
U.S Army Corps of Engineers
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
or
[e-mail]
Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of
Engineers representative. Failure to comply with any terms or conditions of this authorization may
result in the Corps suspending, modifying or revoking the authorization and/or issuing a Class I
administrative penalty, or initiating other appropriate legal action.
I hereby certify that the work authorized by the above referenced permit has been completed in
accordance with the terms and condition of the said permit, and required mitigation was completed in
accordance with the permit conditions.
Signature of Permittee Date