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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 a GRAVEL ON ANY EXISTING GRATE INLET SUBJECT TO CONSTRUCTION RUNOFF, AND ANY OTHER z PERIMETER CONTROLS SHOWN. g n 5. GC SHALL CLEAR ENOUGH TO INSTALL TEMPORARY SKIMMER BASIN OUTFALL, TEMPORARY J SKIMMER BASIN AND DIVERSION BERMS. 0 2 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 0 JI ONCE GRADE BECOMES AVAILABLE. 0 11. ONCE SITE IS STABLE ENOUGH TO REMOVE SKIMMER BASIN, GC SHALL CONSULT WITH EROSION z 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, rn AND DOCUMENT THE INSPECTION IN WRITING ON APPROVED FORMS AVAILABLE FROM THE CITY OF j GREENSBORO EROSION CONTROL DEPARTMENT OFFICE. 00 00 N �I a U 51 d E N H I 0 0 U i U 0 F--a GRATE �16� C O � ° I+ 0 15 RCP 0 z z INV 795± O �� agog 500 z 10' ONINHVd DEBRIS F IE[ O c z z z �0 o Obd CNOC +Vb�O O •-� - G� ,0 S C 08 DO CO 00 00 O _FT 0 N Z �__- 0 F_ -0Fll r / ° N � GRATE 801. 77FF1 cn � � w � I N(S&W) 796.48 0 0 z m° PROPOSED LAYDOWN AND C z 0 °z I N(E) 796.37 ° o o g STOCK PILE AREA (0.84 AC±) ' (,w OUT 796. 33 TEMPORARY ti � �°� o CONSTRUCTION gov0 TEMPORARY / / -� z1hENTRANCE � � + � 8 � � � � � � � .00 (0 � v g MHO HW� +0 z09 C-608 0 a'A0g SILT FENCE C 604�� o° M �� Mo7� (TYP.) a z t€1 0 taog (TYP.) / _° o M as / \ 00g �a o \ QS asp - z08+ 05 56L NT L 0 log+ \ \ 7 z do0�e as p 0 I � 3iXd O _� OOg n - Wx �T NT6 C °sr / Lsod 5 RCP �005 �� SI"g6L NI 7vilW� -� �� TEMPORARY 9 'Coe liv7J9 04 O � -d & � F.F.T. INLET �/ TEMPORARY o SI PROTECTION (TYP.) , DIVERSION BERM C-604 o � G / _ 1 Ad M �W 17 6 bog TEMPORARY ABOVE 0 ti 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 R7 0 SHALL COVERT TO SILT SACK INLET o0 0� C a T T1 o 90g PROTECTION ONCE CURB AND o UGUTTER IS INSTALLED. o° -7 v i / 1 o / ° TEMPORARY SKIMMER BASIN # 1 n \ c c SEE SHEET C-706 FOR CONSTRUCTION DETAILS / 001 SEE SHEET C-706 FOR CALCULATION SHEET 0 z c z CA Q_ 1C-) Hz 0 z 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'/ y / / PROTECTION ONCE CURB AND 908 o SKIMMER ORIFICE = 2.25" GUTTER IS INSTALLED. DRAW DOWN TIME = 2.92 DAYS TEMPORARY / HADWARE CLOTH AND ° \ GRAVEL / D o _ cr \ 0 c< C, / pp w I o - cn � • METAL 0 POST 0 LT\ 33NHN UNIT NIVH3 ° PROTECTION ppp _ ° (TYP.) � ( (\ EROSION CONTROL LEGEND. SKIMMER BASIN 90g $�1 BAFFLE WALL -TYP. 1� �� �� 750 EXISTING CONTOURS @ 5' INTERVALS PROPOSED CONTOURS @ 1' INTERVALS MHOMH ti0 - 96 - LIMITS OF DISTURBANCE - TYP. 8.10 AC± TEMPORARY v OUTLET l PROTECTION TEMPORARY (TYP.) a DIVERSION BERM (TYP.) C 604 TEMPORARY TEMPORARY SKIMMER DISCHARGE PIPE SILT FENCE INVERT = 790.87 MAINTENANCE PLAN OUT C604 YPL)T 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. C O� TEMP. CONSTRUCTION ENTRANCE a � PER COG 436 Q 1 c a SILT FENCE ova SILT FENCE STONE FILTER OUTLET TEMPORARY DIVERSION BERM FLOW DIRECTION LIMITS OF DISTURBANCE (DENUDED LIMITS) EROSION CONTROL MATTING IF �■� 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 �llllltillll11777 AL _ 36T69 • �.� PROJECT: U) uj V UJ � �O Q� �O J •_ QM Lm Wm U Or Z Jam° vM m w w JM� 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.