SW4230101_Plansheet - C5.6 NCG01 Detail_20230526

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GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE NCGO1 CONSTRUCTION
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GENERAL PERMIT
IMPLEMENTING THE DETAILS AND SPECIFICATIONS ON THIS PLAN SHEET WILL RESULT IN THE CONSTRUCTION ACTIVITY BEING CONSIDERED s
COMPLIANT WITH THE GROUND STABILIZATION AND MATERIALS HANDLING SECTIONS OF THE NCG01 CONSTRUCTION GENERAL PERMIT(SECTIONS E = 78 _ ?
AND F, RESPECTIVELY). THE PERMITTEE SHALL COMPLY WITH THE EROSION AND SEDIMENT CONTROL PLAN APPROVED BY THE DELEGATED SILT 10 MIL 's� n,
FENCE 1:1 SIDE PLASTIC 1:1 SIDE SLOPE (TYP) HIGH COHESIVE & LOW
AUTHORITY HAVING JURISDICTION. ALL DETAILS AND SPECIFICATIONS SHOWN ON THIS SHEET MAY NOT APPLY DEPENDING ON SITE CONDITIONS AND SLOPE (TYP) LINING FILTRATION SOIL BERM -�'•,� �'' F �.•`'
THE DELEGATED AUTHORITY HAVING JURISDICTION. ' �'c~11111W1�111%a``
\ \ \ /\ \// SANDBAGS (TYP.)
SECTION E: GROUND STABILIZATION O \ \\ \\ \\ \\ \\ OR STAPLES
CONCRETE
REQUIRED GROUND STABILIZATION TIMEFRAMES \ \.\\ /\ WASHOUT //\ \//\//\ \//
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SITE AREA DESCRIPTION CALENDAR DAYS AFTER CEASING TIMEFRAME VARIATIONS \�\�\�� \ \ \/� SANDBAGS r� E
LAND DISTURBANCE (TYP.) OR STAPLES ONSITE CONCRETE WASHOUT W U .E
STRUCTURE WITH LINER z 3
(A) PERIMETER DIKES, SWALES, DITCHES, SECTION A-A a 3
AND PERIMETER SLOPES 7 NONE SECTION B-B 10 MIL PLASTIC LINING o U N
CLEARLY MARKED a m
SIGNAGE NOTING w U.
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DEVICE (18"X24"MIN) a x O a
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(B) HIGH QUALITY WATER (HQW) ZONES 7 NONE A ABOVE GROUND WASHOUT z W � rn
HIGH COHESIVE & LOW HIGH COHESIVE & LOW B STRUCTURE NOTES: a "' x Ln
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FILTRATION SOIL BERM O O O O SIGNAGE FOR EITHER WASHOUT STRUCTURE a w
FILTRATION SOIL BERM 1. ACTUAL LOCATION � o Lu
O O O O DETERMINED IN FIELD
C SLOPES STEEPER THAN 3:1 7 IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT 0 ' O
( ) BELOW GROUND CONCRETE WASHOUT NOTES:
2. THE CONCRETE WASHOUT
STEEPER THAN 2:1, 14 DAYS ARE ALLOWED � � �
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SANDBAGS (TYP.) O STRUCTURES SHALL BE o w
OR STAPLES 1. ACTUAL LOCATION DETERMINED IN FIELD SANDBAGS (TYP.) O MAINTAINED WHEN THE LIQUID
-7 DAYS FOR SLOPES > 50 IN LENGTH AND WITH SLOPES OR STAPLES AND/OR SOLID REACHES 75% OF
STEEPER THAN 4:1 O O
2. THE CONCRETE WASHOUT STRUCTURES SHALL BE THE STRUCTURES CAPACITY TO
(D) SLOPES 3:1 TO 4:1 14 -7 DAYS FOR PERIMETER DIKES, SWALES, DITCHES, MAINTAINED WHEN O CD CDO PROVIDE ADEQUATE HOLDING
PERIMETER SLOPES AND HQW ZONES O O O O THE LIQUID AND/OR SOLID REACHES 75% OF THE CAPACITY WITH A MINIMUM 12
-10 DAYS FOR FALLS LAKE WATERSHED STRUCTURES CAPACITY. INCHES OF FREEBOARD.
B
A 0
-7 DAYS FOR PERIMETER DIKES, SWALES, DITCHES, 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE 3.CONCRETE WASHOUT =
(E) AREAS WITH SLOPES FLATTER THAN 4:1 14 PERIMETER SLOPES AND HQW ZONES PLAN CLEARLY MARKED PLAN STRUCTURE NEEDS TO BE
-10 DAYS FOR FALLS LAKE WATERSHED UNLESS THERE IS WITH SIGNAGE NOTING DEVICE. CLEARY MARKED WITH SIGNAGE
BELOW GRADE WASHOUT STRUCTURE ABOVE GRADE WASHOUT STRUCTURE NOTING DEVICE.
NOTE: AFTER THE PERMANENT CESSATION OF CONSTRUCTION ACTIVITIES, ANY AREAS WITH TEMPORARY GROUND STABILIZATION SHALL BE NOT TO SCALE NOT TO SCALE o
CONVERTED TO PERMANENT GROUND STABILIZATION AS SOON AS PRACTICABLE BUT IN NO CASE LONGER THAN 90 CALENDAR DAYS AFTER THE LAST w Lu
LAND DISTURBING ACTIVITY. TEMPORARY GROUND STABILIZATION SHALL BE MAINTAINED IN A MANNER TO RENDER THE SURFACE STABLE AGAINST o
ACCELERATED EROSION UNTIL PERMANENT GROUND STABILIZATION IS ACHIEVED. O CONCRETE WASHOUT AREA N.T.S. Q
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U) DATE
GROUND STABILIZATION SPECIFICATION LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE CONCRETE WASHOUTS > 0512312023
STABILIZE THE GROUND SUFFICIENTLY SO THAT RAIN WILL NOT DISLODGE THE SOIL. USE ONE OF THE TECHNIQUES IN THE TABLE BELOW: 1. NEVER BURY OR BURN WASTE. PLACE LITTER AND DEBRIS IN APPROVED WASTE CONTAINERS. 1. DO NOT DISCHARGE CONCRETE OR CEMENT SLURRY FROM THE SITE.
2. PROVIDE A SUFFICIENT NUMBER AND SIZE OF WASTE CONTAINERS (E.G DUMPSTER, TRASH RECEPTACLE) ON SITE TO CONTAIN CONSTRUCTION 2• DISPOSE OF, OR RECYCLE SETTLED, HARDENED CONCRETE RESIDUE IN ACCORDANCE WITH LOCAL AND STATE SOLID WASTE REGULATIONS DRAWN BY
TEMPORARY STABILIZATION PERMANENT STABILIZATION AND DOMESTIC WASTES. AND AT AN APPROVED FACILITY.
3. LOCATE WASTE CONTAINERS AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND SURFACE WATERS UNLESS NO OTHER ALTERNATIVES 3. MANAGE WASHOUT FROM MORTAR MIXERS IN ACCORDANCE WITH THE ABOVE ITEM AND IN ADDITION PLACE THE MIXER AND ASSOCIATED LMB
• TEMPORARY GRASS SEED COVERED WITH STRAW OR • PERMANENT GRASS SEED COVERED WITH STRAW OR OTHER ARE REASONABLY AVAILABLE. MATERIALS ON IMPERVIOUS BARRIER AND WITHIN LOT PERIMETER SILT FENCE.
OTHER MULCHES AND TACKIFIERS MULCHES AND TACKIFIERS 4. LOCATE WASTE CONTAINERS ON AREAS THAT DO NOT RECEIVE SUBSTANTIAL AMOUNTS OF RUNOFF FROM UPLAND AREAS AND DOES NOT 4. INSTALL TEMPORARY CONCRETE WASHOUTS PER LOCAL REQUIREMENTS, WHERE APPLICABLE. IF AN ALTERNATE METHOD OR PRODUCT IS DESIGNED BY
• HYDROSEEDING • GEOTEXTILE FABRICS SUCH AS PERMANENT SOIL DRAIN DIRECTLY TO A STORM DRAIN, STREAM OR WETLAND. TO BE USED, CONTACT YOUR APPROVAL AUTHORITY FOR REVIEW AND APPROVAL. IF LOCAL STANDARD DETAILS ARE NOT AVAILABLE, USE • GWF
• ROLLED EROSION CONTROL PRODUCTS WITH OR REINFORCEMENT MATTING 5. COVER WASTE CONTAINERS AT THE END OF EACH WORKDAY AND BEFORE STORM EVENTS OR PROVIDE SECONDARY CONTAINMENT. REPAIR ONE OF THE TWO TYPES OF TEMPORARY CONCRETE WASHOUTS PROVIDED ON THIS DETAIL. •
WITHOUT TEMPORARTY GRASS SEED • HYDROSEEDING OR REPLACE DAMAGED WASTE CONTAINERS. 5. DO NOT USE CONCRETE WASHOUTS FOR DEWATERING OR STORING DEFECTIVE CURB OR SIDEWALK SECTIONS. STORMWATER • CHECKED BY
ACCUMULATED WITHIN THE WASHOUT MAY NOT BE PUMPED INTO OR DISCHARGED TO THE STORM DRAIN SYSTEM OR RECEIVING SURFACE
• SHRUBS OR OTHER PERMANENT PLANTINGS COVERED WITH 6. ANCHOR ALL LIGHTWEIGHT ITEMS IN WASTE CONTAINERS DURING TIMES OF HIGH WINDS.
• APPROPRIATELY APPLIED STRAW OR OTHER MULCH WATERS. LIQUID WASTE MUST BE PUMPED OUT AND REMOVED FROM PROJECT. • GWF
• PLASTIC SHEETING MULCH 7. EMPTY WASTE CONTAINERS AS NEEDED TO PREVENT OVERFLOW. CLEAN UP IMMEDIATELY IF CONTAINERS OVERFLOW.
• UNIFORM AND EVENLY DISTRIBUTED GROUND COVER 8. DISPOSE WASTE OFF-SITE AT AN APPROVED DISPOSAL FACILITY. 6. LOCATE WASHOUTS AT LEAST 50 FEET FROM STORM DRAIN INLETS AND SURFACE WATERS UNLESS IT CAN BE SHOWN THAT NO OTHER • SCALE
SUFFICIENT TO RESTRAIN EROSION 9. ON BUSINESS DAYS, CLEAN UP AND DISPOSE OF WASTE IN DESIGNATED WASTE CONTAINERS. ALTERNATIVES ARE REASONABLY AVAILABLE. AT A MINIMUM, INSTALL PROTECTION OF STORM DRAIN INLET(S) CLOSEST TO THE WASHOUT
• STRUCTURAL METHODS SUCH AS CONCRETE,ASPHALT OR WHICH COULD RECEIVE SPILLS OR OVERFLOW. AS SHOWN
RETAINING WALLS PAINT AND OTHER LIQUID WASTE 7. LOCATE WASHOUTS IN AN EASILY ACCESSIBLE AREA, ON LEVEL GROUND AND INSTALL A STONE ENTRANCE PAD IN FRONT OF THE WASHOUT. •
• ROLLED EROSION CONTROL PRODUCTS WITH GRASS SEED ADDITIONAL CONTROLS MAY BE REQUIRED BY THE APPROVING AUTHORITY.
1. DO NOT DUMP PAINT AND OTHER LIQUID WASTE INTO STORM DRAINS, STREAMS OR WETLANDS. 8. INSTALL AT LEAST ONE SIGN DIRECTING CONCRETE TRUCKS TO THE WASHOUT WITHIN THE PROJECT LIMITS. POST SIGNAGE ON THE
2. LOCATE PAINT WASHOUTS AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND SURFACE WATERS UNLESS NO OTHER ALTERNATIVES WASHOUT ITSELF TO IDENTIFY THIS LOCATION.
ARE REASONABLY AVAILABLE. 9. REMOVE LEAVINGS FROM THE WASHOUT WHEN AT APPROXIMATELY 75% CAPACITY TO LIMIT OVERFLOW EVENTS. REPLACE THE TARP,
POLYACRYLAMIDES (PAMS)AND FLOCCULANTS 3. CONTAIN LIQUID WASTES IN A CONTROLLED AREA. SAND BAGS OR OTHER TEMPORARY STRUCTURAL COMPONENTS WHEN NO LONGER FUNCTIONAL. WHEN UTILIZING ALTERNATIVE OR
1. SELECT FLOCCULANTS THAT ARE APPROPRIATE FOR THE SOILS BEING EXPOSED DURING CONSTRUCTION, SELECTING FROM THE NC DWR 4. CONTAINMENT MUST BE LABELED, SIZED AND PLACED APPROPRIATELY FOR THE NEEDS OF SITE. PROPRIETARY PRODUCTS, FOLLOW MANUFACTURER'S INSTRUCTIONS.
LIST OF APPROVED PAMS/FLOCCULANTS. 5. PREVENT THE DISCHARGE OF SOAPS, SOLVENTS, DETERGENTS AND OTHER LIQUID WASTES FROM CONSTRUCTION SITES. 10. AT THE COMPLETION OF THE CONCRETE WORK, REMOVE REMAINING LEAVINGS AND DISPOSE OF IN AN APPROVED DISPOSAL FACILITY. FILL
2. APPLY FLOCCULANTS AT OR BEFORE THE INLETS TO EROSION AND SEDIMENT CONTROL MEASURES. PIT, IF APPLICABLE, AND STABILIZE ANY DISTURBANCE CAUSED BY REMOVAL OF WASHOUT. g
3. APPLY FLOCCULANTS AT THE CONCENTRATIONS SPECIFIED IN THE NC DWR LIST OFAPPROVED PAMS/FLOCCULANTS AND IN ACCORDANCE HERBICIDES, PESTICIDES AND RODENTICIDES
WITH THE MANUFACTURER'S INSTRUCTIONS. PORTABLE TOILETS
1. INSTALL PORTABLE TOILETS ON LEVEL GROUND, AT LEAST 50 FEET AWAY FROM STORM DRAINS, STREAMS OR WETLANDS UNLESS THERE IS NO 1. STORE AND APPLY HERBICIDES, PESTICIDES AND RODENTICIDES IN ACCORDANCE WITH LABEL RESTRICTIONS.
4. PROVIDE PONDING AREA FOR CONTAINMENT OF TREATED STORMWATER BEFORE DISCHARGING OFFSITE. 2. STORE HERBICIDES, PESTICIDES AND RODENTICIDES IN THEIR ORIGINAL CONTAINERS WITH THE LABEL, WHICH LISTS DIRECTIONS FOR USE,
5. STORE FLOCCULANTS IN LEAK-PROOF CONTAINERS THAT ARE KEPT UNDER STORM-RESISTANT COVER OR SURROUNDED BY SECONDARY 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. INGREDIENTS AND FIRST AID STEPS IN CASE OF ACCIDENTAL POISONING. 0 >
CONTAINMENT STRUCTURES. 2. PROVIDE STAKING OR ANCHORING OF PORTABLE TOILETS DURING PERIODS OF HIGH WINDS OR IN HIGH FOOT TRAFFIC AREAS. 3. DO NOT STORE HERBICIDES, PESTICIDES AND RODENTICIDES IN AREAS WHERE FLOODING IS POSSIBLE OR WHERE THEY MAY SPILL OR LEAK INTO O C� o
3. MONITOR PORTABLE TOILETS FOR LEAKING AND PROPERLY DISPOSE OF ANY LEAKED MATERIAL. UTILIZE A LICENSED SANITARY WASTE HAULER WELLS, STORMWATER DRAINS, GROUNDWATER OR SURFACE WATER. IF A SPILL OCCURS, CLEAN AREA IMMEDIATELY. u
TO REMOVE LEAKING PORTABLE TOILETS AND REPLACE WITH PROPERLY OPERATING UNIT. 4. DO NOT STOCKPILE THESE MATERIALS ONSITE. (V 0
EQUIPMENT AND VEHICLE MAINTENANCE U z
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1. MAINTAIN VEHICLES AND EQUIPMENT TO PREVENT DISCHARGE OF FLUIDS. T V l =
EARTHEN STOCKPILE MANAGEMENT HAZARDOUS AND TOXIC WASTE
2. PROVIDE DRIP PANS UNDER ANY STORED EQUIPMENT. � o
3. IDENTIFY LEAKS AND REPAIR AS SOON AS FEASIBLE, OR REMOVE LEAKING EQUIPMENT FROM THE PROJECT. 1. SHOW STOCKPILE LOCATIONS ON PLANS. LOCATE EARTHEN-MATERIAL STOCKPILE AREAS AT LEAST 50 FEET AWAY FROM STORM DRAIN 1. CREATE DESIGNATED HAZARDOUS WASTE COLLECTION AREAS ON-SITE. U J ,
INLETS, SEDIMENT BASINS, PERIMETER SEDIMENT CONTROLS AND SURFACE WATERS UNLESS IT CAN BE SHOWN NO OTHER ALTERNATIVES ARE 2. PLACE HAZARDOUS WASTE CONTAINERS UNDERCOVER OR IN SECONDARY CONTAINMENT. Q
4. COLLECT ALL SPENT FLUIDS, STORE IN SEPARATE CONTAINERS AND PROPERLY DISPOSE AS HAZARDOUS WASTE (RECYCLE WHEN REASONABLY AVAILABLE. 3. DO NOT STORE HAZARDOUS CHEMICALS, DRUMS OR BAGGED MATERIALS DIRECTLY ON THE GROUND. O W POSSIBLE). 2. PROTECT STOCKPILE WITH SILT FENCE INSTALLED ALONG TOE OF SLOPE WITH A MINIMUM OFFSET OF FIVE FEET FROM THE TOE OF STOCKPILE. z cv I_
5. REMOVE LEAKING VEHICLES AND CONSTRUCTION EQUIPMENT FROM SERVICE UNTIL THE PROBLEM HAS BEEN CORRECTED. 3. PROVIDE STABLE STONE ACCESS POINT WHEN FEASIBLE. Lu a z Q
6. BRING USED FUELS, LUBRICANTS, COOLANTS, HYDRAULIC FLUIDS AND OTHER PETROLEUM PRODUCTS TO A RECYCLING OR DISPOSAL U) O 2
CENTER THAT HANDLES THESE MATERIALS. 4. STABILIZE STOCKPILE WITHIN THE TIMEFRAMES PROVIDED ON THIS SHEET AND IN ACCORDANCE WITH THE APPROVED PLAN AND ANY z
ADDITIONAL REQUIREMENTS. SOIL STABILIZATION IS DEFINED AS VEGETATIVE, PHYSICAL OR CHEMICAL COVERAGE TECHNIQUES THAT WILL06
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RESTRAIN ACCELERATED EROSION ON DISTURBED SOILS FOR TEMPORARY OR PERMANENT CONTROL NEEDS. U z z z
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NCGOI GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/O1/19 Q °° N 3
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S 1. CHISEL ALL CUT GRADED OR COMPACTED AREAS TO A MINIMUM DEPTH OF 8". U z ;
M 2. DISC ALL AREAS TO RECEIVE GRASS TO A MINIMUM OF 8 INCHES, MIX AND AMEND WITH 3 INCHES OF WELL = 0 E O
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N SCREENED TOPSOIL. ON-SITE TOPSOIL MAY BE USED IN PLACE OF IMPORTED TOPSOIL, IF u
WELL-SCREENED AND DRY PRIOR TO APPLICATION IN ACCORDANCE WITH SPECIFICATION SECTION O O �(D 0 0
329000. , = 2
3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY ') ..
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4. APPLY AGRICULTURAL LIME, FERTILIZER, AND PHOSPHATE UNIFORMLY AS PER SPECIFICATIONS AND MIX x z �
a WELL WITH SOIL. o a)
5. CONTINUE TILLAGE UNTIL A WELL-PULVERIZED, FIRM, REASONABLY UNIFORM SEEDBED IS PREPARED TO aw
o A 6 INCHES DEPTH. uj
co6. SEED AT RATE SPECIFIED OR AS NEEDED TO ACHIEVE AND MAINTAIN A THICK HEALTHY GROUND
co COVERAGE.
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0 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. BEGIN THOROUGH WATERING OF GRASSED
o AREAS IMMEDIATELY UPON INSTALLATION. DO NOT ALLOW GRASSED AREAS TO BECOME EXCESSIVELY
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8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS AS NEEDED.
9. IF CONFLICTS OCCUR BETWEEN WRITTEN SPECIFICATIONS AND THE DRAWINGS, THE WRITTEN � m
SPECIFICATIONS SHALL PREVAIL. 0 .9
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