NCC220207_Site Plan or Location Map (2)_20220114

EROSION CONTROL NOTES-
1. CLEARING LIMITS SHALL BE CLEARLY DEFINED PRIOR TO BEGINNING
CLEARING OPERATIONS. CLEARING DEBRIS SHALL BE PROPERLY
DISPOSED OF OFFSITE IN A PERMITTED LANDFILL FACILITY. TREES
OUTSIDE THE CLEARING LIMITS SHALL BE PROTECTED DURING
CONSTRUCTION.
2. THE EROSION AND SEDIMENTATION CONTROL PLAN IS INTENDED AS
A GUIDE. AFTER GRADING BEGINS, ADDITIONAL MEASURES MAY BE
NECESSARY TO CONTROL SEDIMENTATION AND EROSION ONSITE. IF
SO, ADDITIONAL MEASURES SHALL BE INSTALLED AS DIRECTED BY
THE CITY OF WINSTON-SALEM INSPECTOR.
3. ALL SLOPE SURFACES SHALL BE ROUGHENED USING TRACKED
EQUIPMENT TO MINIMIZE EROSION UNTIL SEEDING IS DONE.
4. INSPECT AND REPAIR ALL EROSION CONTROL DEVICES ON A WEEKLY
BASIS AND INSPECT AND REPAIR IMMEDIATELY FOLLOWING ANY
RAINFALL.
5. CONTRACTOR RESPONSIBLE FOR ALL EROSION CONTROL
PRACTICES REQUIRED TO MINIMIZE EFFECTS ON ADJACENT
PROPERTIES DURING CONSTRUCTION. EROSION CONTROL
PRACTICES SHALL BE CONTINUED IN ACCORDANCE WITH DETAILS
AND ARE TO BE MAINTAINED UNTIL CONTRIBUTING AREAS ARE
STABLE.
6. CONTRACTOR SHALL BE RESPONSIBLE FOR FOLLOWING THE
EROSION CONTROL SEQUENCE.
7. ANY BORROW WILL COME FROM A SITE OR SPOIL WILL BE PLACED ON
A SITE APPROVED BY THE PROPER JURISDICTION HAVING APPROVAL
AUTHORITY OVER THE SITE.
8. ALL DISTURBED AREAS NOT OTHERWISE DELINEATED FOR BUILDING,
PAVING, SOD, STONE, OR RIPRAP SHALL BE PERMANENTLY SEEDED
IN ACCORDANCE WITH PERMANENT SEEDING SPECIFICATIONS
SHOWN ON SHEET C-108.
E EROSION CONTROL SEQUENCE-
1 . OBTAIN GRADING/EROSION CONTROL PLAN APPROVAL AND PERMIT FROM THE CITY OF
GREENSBORO EROSION CONTROL OFFICE AS WELL AS NCGO1 CERTIFICATE OF COVERAGE FROM
CENTRAL NCDEQ OFFICE.
2. POST BOTH THE THE CITY OF GREENSBORO GRADING PERMIT AND NCGO1 CERTIFICATE OF
COVERAGE AS APPROVED BY NCDEQ. THESE PERMITS MUST BE ONSITE AT ALL TIMES DURING
CONSTRUCTION. CONSULT AN EROSION CONTROL INSPECTOR FROM THE CITY OF GREENSBORO
PRIOR TO REMOVAL OF ANY EROSION CONTROL DEVICE.
N 3. CONTACT EROSION CONTROL INSPECTOR TO ESTABLISH A PRE -CONSTRUCTION CONFERENCE
o AND INSPECTION SCHEDULE.
Q 4. G.C. TO INSTALL CONSTRUCTION ENTRANCE, TEMPORARY SILT FENCE AND SILT FENCE OUTLETS,
= SILT SACK INLET PROTECTION ON ANY EXISTING CURB INLETS, AND HARDWARE CLOTH AND
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GRAVEL ON ANY EXISTING GRATE INLET SUBJECT TO CONSTRUCTION RUNOFF, AND ANY OTHER
z PERIMETER CONTROLS SHOWN.
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n 5. GC SHALL CLEAR ENOUGH TO INSTALL TEMPORARY SKIMMER BASIN OUTFALL, TEMPORARY
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SKIMMER BASIN AND DIVERSION BERMS.
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zo 6. OBTAIN REQUIRED EROSION CONTROL INSPECTION ONCE EC MEASURES ARE INSTALLED, BUT
U BEFORE MOVING ON WITH CLEARING.
0 7. ONCE ALL EROSION CONTROL MEASURES ARE PLACE G.C. TO BEGIN SITE DEMOLITION, CLEARING
N AND GRUBBING, AND SITE GRADING. G.C. SHALL COORDINATE UTILITY DEMOLITION WITH SERVICE
o PROVIDERS PRIOR TO ANY REMOVAL OF EXISTING SERVICES. PLEASE NOTE TREE CLEARING
w LEAVING ROOTS INTACT IS NOT DISTURBED AREA. GRUBBING OF MORE THAN 1 ACRE CANNOT
o OCCUR UNTIL RUNOFF ACCOMMODATED BY SKIMMER BASIN.
U-) 8. G.C. TO BEGIN CONSTRUCTION OF UNDERGROUND STORM CONVEYANCE SYSTEM AS GRADES
cI BECOME AVAILABLE. G.C. TO DIVERT FLOW AWAY FROM INLETS AND TO SKIMMER BASIN UNTIL
UPSTREAM AREA IS STABILIZED WITH STONE. ANY INLETS THAT OUTFALL TO SKIMMER BASIN CAN
3 RECEIVE CONSTRUCTION RUNOFF. INLETS SHALL ALSO BE EQUIPPED WITH HARDWARE CLOTH
-o AND GRAVEL UNTIL CURB AND GUTTER ARE INSTALLED THEN INLET PROTECTION SHALL BE
w CONVERTED TO SILT SACK INLET PROTECTION.
N 9. BEGIN UTILITY CONSTRUCTION AS NECESSARY TO SERVE PROPOSED BUILDING.
3 10. BEGIN BUILDING AND PARKING LOT CONSTRUCTION. STABILIZE PARKING AREAS WITH STONE
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JI ONCE GRADE BECOMES AVAILABLE.
0 11. ONCE SITE IS STABLE ENOUGH TO REMOVE SKIMMER BASIN, GC SHALL CONSULT WITH EROSION
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CONTROL INSPECTOR FOR SCHEDULE OF SKIMMER BASIN REMOVAL.
0 12. ONCE SKIMMER BASIN REMOVAL IS GRANTED BY EROSION CONTROL INSPECTOR, GC SHALL MUCK
z I OUT SKIMMER BASIN AND REMOVE ALL TEMPORARY DRAINAGE PIPES OUTFALLING TO SKIMMER
o BASIN WITH DIVERSION OF STORM FLOWS GOING TO PERMANENT PIPES.
0 13. COMPLETE CONSTRUCTION OF SITE IN VICINITY OF SKIMMER BASIN AND STABILIZE ONCE GRADE
Of IS AVAILABLE.
Q) 14. ONCE CONSTRUCTION TRAFFIC IS NO LONGER NEEDED ON SITE, GC SHALL APPLY FINAL LAYERS
Q) OF ASPHALT IN THE PARKING LOT AREAS.
0 15. ONCE CONSTRUCTION IS COMPLETE, GC SHALL REMOVE ALL FINAL EROSION CONTROL
0 MEASURES AND CALL EROSION CONTROL INSPECTOR TO SITE FOR FINAL INSPECTION AND
0 RELEASE OF EROSION CONTROL PERMIT.
SELF INSPECTION ----- EFFECTIVE APRIL 1, 2019, PERSONS CONDUCTING LAND -DISTURBING ACTIVITIES,
0 LARGER THAN ONE (1) ACRE, MUST INSPECT THEIR PROJECT AFTER EACH PHASE OF THE PROJECT,
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AND DOCUMENT THE INSPECTION IN WRITING ON APPROVED FORMS AVAILABLE FROM THE CITY OF
j GREENSBORO EROSION CONTROL DEPARTMENT OFFICE.
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GROUND CONCRETE _ 'TEMPORARY HADWARE CLOTH AND TIC
OaL WASHOUT (TYP.) LIMITS OF DISTURBANCE - TYP. 15„ Tc
GRAVEL PROTECTION (TYP.). G.C. C 604 8.10 AC± OUT
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o 90g PROTECTION ONCE CURB AND
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SEE SHEET C-706 FOR CONSTRUCTION DETAILS /
001 SEE SHEET C-706 FOR CALCULATION SHEET
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Q10 = 19.60 CFS r
DRAINAGE AREA 7.47 AC. m I I O
DISTURBED AREA 7.47 AC :�>
I SURFACE AREA REQUIRED 6371 SF FLn T]9. I /
SURFACE AREA PROVIDED 6420 SF
\ SEDIMENT STORAGE REQUIRED 13446 CF m (_0 /
I SEDIMENT STORAGE PROVIDED 16470 CF z
BASIN DEPTH 3.0 FT
TOP DAM ELEV. = 801.50
SPILLWAY ELEV. = 800.00
TEMPORARY HADWARE CLOTH AND
GRAVEL PROTECTION (TYP.). G.C. SPILLWAY WEIR LENGHT = 22'
SHALL COVERT TO SILT SACK INLET C 604 BOTTOM ELEV. = 797.00 ge'/
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/ PROTECTION ONCE CURB AND 908 o SKIMMER ORIFICE = 2.25"
GUTTER IS INSTALLED. DRAW DOWN TIME = 2.92 DAYS
TEMPORARY
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EROSION CONTROL LEGEND.
SKIMMER BASIN
90g $�1 BAFFLE WALL -TYP. 1� �� �� 750 EXISTING CONTOURS @ 5' INTERVALS
PROPOSED CONTOURS @ 1' INTERVALS
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LIMITS OF DISTURBANCE - TYP.
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PROTECTION
TEMPORARY (TYP.)
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DIVERSION BERM
(TYP.) C 604
TEMPORARY
TEMPORARY SKIMMER DISCHARGE PIPE
SILT FENCE
INVERT = 790.87
MAINTENANCE PLAN
OUT C604
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TEMPORARY GRAVEL CONSTRUCTION ENTRANCE MAINTAIN THE GRAVEL
TEMPORARY DIVERSIONS SEED TEMPORARY DIVERSION BERMS
SILT FENCE INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND
PERMANENT GROUND COVER THE OWNER OR RESPONSIBLE PARTY IS
PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE
IMMEDIATELY AFTER INSTALLATION. INSPECT TEMPORARY DIVERSIONS
AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
RESPONSIBLE FOR THE LONG-TERM MAINTENANCE OF THE GROUND
CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH
ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY REMOVE
SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE
COVER ON THE PROPERTY. GROUND COVER MUST BE MAINTAINED TO A
2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO
SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE.
OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REPLACE BURLAP
DEGREE THAT PREVENTS SOIL EROSION AND SEDIMENTATION AT ALL
TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE
CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED.
EVERY 60 DAYS. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE
TIMES.
ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO
WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE
ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE
PUBLIC ROADWAYS.
RIDGE AND THE CHANNEL TO BLEND WITH THE NATURAL GROUND LEVEL
PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE
AND APPROPRIATELY STABILIZE IT.
DURING CLEANOUT. REMOVE ALL FENCING MATERIALS AND UNSTABLE
TEMPORARY SEEDING RESEED AND MULCH AREAS WHERE SEEDLING
SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT
EMERGENCE IS POOR, OR WHERE EROSION OCCURS, AS SOON AS
AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY
POSSIBLE. DO NOT MOW. PROTECT FROM TRAFFIC AS MUCH AS POSSIBLE.
STABILIZED.
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TEMP. CONSTRUCTION ENTRANCE
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SILT FENCE
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SILT FENCE STONE FILTER OUTLET
TEMPORARY DIVERSION BERM
FLOW DIRECTION
LIMITS OF DISTURBANCE (DENUDED LIMITS)
EROSION CONTROL MATTING
IF
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SILT SACK INLET PROTECTION
0
TEMPORARY STONE INLET PROTECTION
13
WIRE & GRAVEL INLET PROTECTION
40
North
0 40 80 120
SCALE: 1 " = 40'
stimmel
LANDSCAPE ARCHITECTURE
CIVIL ENGINEERING
LAND PLANNING
601 N.TRADE STREET, SUITE 200
WINSTON-SALEM, NC 27101
P:336.723,1067 F:336,723,1069
www.stimmelpa.com
SEALS
NCBEES CERT. NO.: C-1347
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CLIENT:
LDJ GLOBAL STRATEGIES
628 GREEN VALLEY ROAD
SUITE 203
GREENSBORO, NC 27408
336-232-4850
DRAWN: SAPA
DATE: 01 /08/2021
REVISIONS:
1 TRC COMMENTS.2021.09.30
2 TRC COMMENTS.2021.11.10
JOB. NO: 19-061 CD
SHEET TITLE:
EROSION
CONTOL PLAN
PHASE 02
SCALE: AS NOTED
SHEET NO.:
C�502
© STIMMEL ASSOCIATES, P.A.