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HomeMy WebLinkAbout20211766 Ver 1_Cliffside ESC 2021104_20211206ISSUED FOR EROSION AND SEDIMENT Fn CONTROL SUBMITTAL Permit Drawings For HDR Engineering, Inc. of the Carolinas License Number: F-0116 440 S Church Street, Suite 10001 Charlotte, NC 28202 DUKE ENERGY CAROLINAS, LLC Cliffside Low Head Dam (CLEVE-053) Post -Tensioned Anchors and Bulkhead Installation HDR Project No. 10105502, Scope 1 and 2 Cleveland County, NC October 2021 CONTACT INFORMATION OWNER DUKE ENERGY CAROLJNAS, LLC ADDRESS 400 SOUTH TRYON STREET CHARLOTTE, NC 28202 PHONE 980-3,1163 ENGINEER HDR, INC ADDRESS .0 S CHURCH STREET, SUITE 1000 CHARLOTTE, NC 28202 PHONE 704-338-6847 INDEX OF DRAWINGS: CLS_C906 001 001-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, COVER SHEET CLS_C906 001 002-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL NOTES CLS_C906 001 003-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL NOTES CLS_C906 001 004-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL NOTES CLS_C906 001 005-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL PL. CLS_C906 001 006-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL DETAILS CLS_C906 001 007-1 CLJFFSIDE LOW HEAD DAM, POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION, CLEVE-053 SCOPE 1, EROSION AND SEDIMENT CONTROL DETAILS CLS C906.001.001-1 SITE INFORMATION: PROPERTY ADDRESS: 1236 MCCOMBS ROAD MOORESBORO, NC 28114 GIS COORDINATE: DUKE ENERGY ACCESS ROAD OFF OF MCCOMBS ROAD PIN NUMBER:/574874288 PROPERTY ACREAGE: 208.53 PROPERTY OWNER: DUKE ENERGY CAROLINAS,LLCPROPERTY OWNER ADDRESS: PO BOX 1244 C HAR 0E, NORTH CAROLINA TOTAL DISTURBED AREA: 2 31 ACRES THE SOIL CLASSIFICATION IS PREDOMINANTLY PACOLET SANDY CLAY LOAM (P0D2) 24 HOUR EMERGENCY CONTACT: DUKE ENERGY CAROLINAS, LLC 526 S. CHURCH STREET CHARLOTTE, NC 28202 OFFICE PHONE: 980-373-0530 OWNER'S REPRESENTATIVE RESPONSIBLE FOR EROSION AND SEDIMENT 'CONTROL: ELIZABETH GLEN PHONE NUMBER(S): CELL'864-642-8833 EMAIL. EINDbeINGlennOduke-enerpocom RIVER BASIN: BROAD RIVER RECEIVING WATER BODY: BROAD RIVER ALL EARTH DISTURBANCE ACTIVITIES SHALL PROCEED IN ACCORDANCE WITH THE FOLLOWING SEQUENCE TO MINIMIZE EROSION AND THE DISCHARGE OF SEDIMENT FROM THE CONSTRUCTION SRE. PERIMETER1. INSTALL OUTLETS, AND CONSRUCTIONFENCING AS SHOWN FENCE SHOWN INTHE CONSTRUCTION THE CONSTRUCTION DOCUMENTS CLEARING AND GRUBBING ONLY AS NECESSARY TO INSTALL THE AFOREMENTIONED BMP'S. 2. PERFORM SELF INSPECTIONS AS NOTED IN THE EROSION CONTROL 3. INSPECT ALL EROSION CONTROL DEVICES Ai WEEKLY INTERVALS AND AFTER EVERY RAINFALL EVENT EKCEEDING 1 INCH TO VERIFY THAT THEY ARE FUNCTIONING PROPERLY. ACCUMULATED SEDIMENT SHALL INDICATEDBE REMOVED AND PLACED IN A DESIGNATED SOIL DISPOSAL AREA AS / ENERGY. CONDUC7 PERIODIC INSPECTIONS ALL EROSION AND SEDIMENT CONTROLS AND MAKE ANY REPAIRS OR MODIFICATIONS NECESSARY TO ENSURE CONTINUED EFFECTIVE OPERATION OF EACH DEVICE. 4. BEGIN CLEARING AND GRUBBING OF REMAINDER OF Sl7E, IF NEEDED. 5. PERFORM MINOR GRADING AND CONSTRUCTION ACTIVITIES. G. USE DESIGNATED AREAS ON PLANS FOR LAYDOWN AND STOCKPILE. THESE AREASOSHALL BE REPAIRED AND PROPERLY STABILIZED UPON COMPLE7ION STABILIZE ALL OPEN AREAS AS SOON AS POSSIBLE. STABILIZE SITE PER EROSION CONTROL NOTES AS AREAS ARE BROUGHT TO FINAL GRADE. PROVIDE TEMPORARY SEEDING FOR AREAS WHERE WORK TEMPORARILY STOPS FOR A SPECIFIED AMOUNT OF 7110E MEETING THE / MINIMUM S7ABILIZATION TIME FRAME / STABILIZE SLOPES FOR EROSION CONTROLAS SOON AS POSSIBLE. PROVIDE PERMANENT STABILIZATION IMMEDIATELY AFTER GRADING IS COMPLETE. STABILIZATION TIME FRAMES PER NCDEO ON SHEET 01C-05 AND 01C-06 OR NCDEO LATEST REQUIREMENTS, WHICHEVER IS MORE STRINGENT. B. NOTIFY DUKE ENERGY ONCE AREAS ARE FULLY STABILIZED AND PRIOR TO REMOVAL OF ANY EROSION AND SEDIMENT CONTROL MEASURES. 9 UPON APPROVAL FROM DUKE ENERGY, REMOVE TEMPORARY AND SEDIMENT CONTROL MEASURES. EROSION REPAIR AREAS WHERE AND SEDIMENT CONTROL MEASURES HAVE BEEN REMOVED AS NECESSARY TO ACHIEVE A FULLY ESTABLISHED STAND OF VEGETATION. 10. AFTER EIS FULLY STABILIZED, NTACT DUKE ENERGY TO SCHEDULEA CLOSE OUT (INSPECTION EROSION AND SEDIMENTATION CONTROL NOTES: YN SPECIFICATIONS OF THE NORTH, CAROLINA DEPARTMENT OF ENVIRONMENIAL T(NCDEO) C. ALL EROSION AND SEDIMENT CONTROL ( MEASURES MUST BEGINNING LAND DISTURBING ACTIVITIES IN E INSLALLED PRIOR TO RESPECTIVE AREA 3. THE CONTRACTOR SHALL CONSTRUCT ALL EROSION AND SEDIMENT CONTROL (ESC) MEASURES SEDIMENT CONTROL DEVICES. AND SHALL NOT REMOVE ANY EROSION OR SEDIMENT CONTROL MEASURES WITHOUT WRITTEN APPROVAL FROM THE OWNER. DISTURBANCES ENSURE THAT ALL RUNOFF FROM DISTURBED AREAS IS DIRECTED TO THE 4. SELF INSPECTIONS: IN ADDIIION TO DAILY INSPECTIONS, SELF INSPECTIONS SHALL BE PERFORMED IN ACCORDANCE TO 15A NCAC 0410 .0131. A SUMMARY OF THIS REQUIREMENT IS LOCATED ON CLS-C906.001.004-1. PREVENT EROSION UNTIL VEGETATION IS ESTABLISHED. D. EROSION CONTROL BLANKETS OR FLEXIBLE GROWTH MEDIUM SHALL BE USED ON ALL FILL SLOPES UNLESS OTHERWISE APPROVED BY OWNER. 7 TRACK FILL SLOPES DITCH LINES EXPOSED TO INCREASED FLOW AND SEDIMENT TRANSPORT SHOULD BE LINED WITH CHECK DAMS TO REDUCE VELOCITY AND CONTROL SEDIMENT ON ALL PROPOSED DIICH LINES INSTALL THE RECOMMENDED 1EMPORARY DITCH LINER ON THE DITCH BOTTOM AND SIDE SLOPES AND CHECK DAMS AS DIRECTED IN THE DIVERSION DITCH TABLE CALCULATIONS AND PLANS 9. PROVIDE SILT FENCE ADJACENT TO °CONES AND AT THE TOE OF FILL SLOPES. ALSO. PROVIDE ADEQUATE MEASURES IN AREAS WHERE NATURAL VEGETATION DOES NOT PROVIDE A SUFFICIENT ENEFEOCTANOTtO OTOOTEENDCOVAITOEREOWZDEOEHEOWNE WEE" FENCE AND "WEE AWW"EWWWW 10. GRUBBING SHALL BE PERFORMED DURING PREDICTED PEFLIODS OF DRY WEATHER. FROM THE LAST LAND DISTURBING ACTIVITY EXCEPT FOR ALL DITCHES, PERIMETER SLOPES, AND ALL SLOPES STEEPER THAN 1 (HR DIKES, PROVIDED TEMPORARY OR,TPERMANENTTISTABILIZATION WITH GROUNDLCOVER WITHIN 7 CALENDAR THESE STABILIZATION REQUIREMENTS. 12. ALL MATERIALS SPILLED. DROPPED. WASHED. OR TRACKED FROM VEHICLE OR SITE ONTO PUBLIC ROADWAY OR INTO STORM DRAIN MUST BE REMOVED. MEANS. THE LOCATION AND EXTENT OF ALL AUTHOFLIZED LAND DISTURBANCE ACTIVITY SHALL BE DEMARCATED FOR THE DURATION OF IHE CONSTRUCTION ACTIVIIY. NO LAND DISTURBANCE SHALL OCCUR OUTSIDE THE APPROVED LIMITS INDICATED ON THE APPROVED PLANS. 14. THE CONSTRUCTION OF THE SITE WILL COMMENCE WITH INSTALLATION OF EROSION CONTROL MEASURES SUFFICIENT TO CONTROL SEDIMENT DEPOSITS AND EROSION. ALL SEDIMENT 15. A COPY OF 1HE APPROVED LAND DISTURBANCE PLAN AND PERMIT SHALL BE PRESENT ON THE SITE WHENEVER LAND DISTURBANCE ACTIVITY IS IN PROGRESS. ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURES WILL BE INSTALLED IF DEEMED NECESSARY BY ON -SITE INSPECTION. EVENTS. LOCATIONS SHALL BE PRE -APPROVED BY THE OWNER. SEE DETAIL 1 ON 18. FaITZELMEINDRASARZNNSIVOZEL cT,I,NTRAZLILLNQ ALL EROSION CONTROL MEASURES INSTALLED 19. ADDITIONAL ESC MEASURES WILL BE IMPLEMENTED IF THE EXISTING MEASURES ARE NOT PERFORMING ADEQUATELY TO MEET STATE AND FEDERAL REGULATIONS AS DICTATED BY FIELD TIMES AND MADE AVAILABLE UPON REQUEST. OF THE ENCAVATED PIT 21. CONCRETE WASHOUT STATION AND STOCKPILES SHALL NOT BE LOCATED WIIHIN 50 FEET OF ANY S1ORM DRAIN. BASIN, OR STREAM UNLESS NO ALTERNATIVE IS FEASIBLE. THE FILL PLACEMENT PROCESS THESE MEASURES SHOULD REMAIN IN PLACE UNTIL THE FILL SLOPES HAVE BEEN ADEQUATELY STABILIZED WITH ESTABLISHED VEGETATION 23 ADJUSTMENTS TO EROSION CONTROL MEASURES MAY BE PEDUIPED BASED ON ACTUAL FIELD CONDITIONS WA LALIPZIDWEESW"MOJONEACELEIERDEDEVOIOO ;BOOMED WEEBAOOOENWCOOTOODLEMASELlaTBWROOPW""E INSUFFICIENT THE CONTRACTOR MUST TAKE ADDITIONAL STEPS NECESSARY TO STOP SEDIMENT FROM LEAVING THE SITE 25 18 INCH COMPOST SOCKS MAY BE USED WHERE FIELD CONDITIONS PREVENT THE INSTALLATION OF SILT FENCE. 26 DOUBLE ROW SILT FENCE: PROVIDE 3FT SEPARATION BETWEEN ROWS OF SILT FENCE. ROCK OUTLETS SHALL BE INSTALLED ON EACH ROW AND OFFSET A MINIMUM 0 5 FEET. 27. INSTALL LOANING FOR EROSION CONTROL ON ALL DISTURBED SLOPES 3:1 AND STEEPER. CONSULT OWNER BEFORE PURCHASING AND INSTALLING SEED AND FERTILIZER FOR PERMANENT AND TEMPORARY STABILIZATION. TEMPORARY SEEDING SCHEDULE: DATE TYPE AUG 15 - APRIL 15 WINTER RYE (GRAIN) PLANTING RATE 20 LBS/ACRE APR 15 - AUG 15 GERMAN MILLET 50 LBS/ACRE TEMPORARY SEEDING ALONE DOES NOT CONSTITUTE STABILIZED GROUND COVER AS NURSE CROPS MAY TAKE LONGER THAN I CALENDAR DAYS TO 2. APPLY GROUND LIME AT THE RA f OF 3000 LBS/ACRE ONLY IF SOIL TEST SHOWS THAT SOIL NEEDS LIME. 3. APPLY 10-20-20 (N-P-K) COMMERCIAL FERTILIZER Ai THE RATE OF 900 LBS/ACRE. 4. APPLY STRAW MULCH Ai THE RATE OF 75-100 LBS/1000 SF. 5. HEAVILY MULCH WITH STRAW DURING JANUARY - MARCH PERIOD. SEEDBED PREPARA71041 NOTES' 2. 3. 4. 6. Z. 8. SURFACE WATER CONTROL MEASURES TO BE INSTALLED ACCORDING TO PLAN. AREAS TO BE SEEDED SHALL BE RIPPED AND SPREAD WRH AVAILABLE SEEDBED PREPARED OPSOIL 3 INCHES DEEP (USE TOPSOIL FOR INCHES DEEP. PERMANENT SEEDING..704AL LOOSE ROCKS, ROOTS AND OTHER OBSTRUCTIONS SHALL BE REMOVED FROM THE SURFACE SO THAT THEY WILL NOT INTERFERE WITH ESTABLISHMENT AND MAINTENANCE OF VEGETATION. SURFACE FOR FINAL SEEDBED REASONABLY A FINISHED GRADES SHOWN SHALL BE IF NO SOIL TEST 15 TAKEN, FERTILIZER AND LIME TO BE ACCORDING TO SEEDING SPECIFICATIONS BELOW. IN ADDITION, PROVIDE 15 LBS/1000 SF OF SUPERPHOSPHATE. IF SOIL 7EST IS TAKEN, PROVIDE LIME AND FERTILIZER ACCORDING TO SOIL 7EST REPORT. LIME AND FERTILIZER SHALL BE APPLIED UNIFORMLY AND MIXED WITH THE SOIL DURING SEEDBED PREPARATION. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED DEPENDING ON FIELD CONDITION. MULCH TO BE TACKED OR MECHANICALLY TIED DOWN IMMEDIATELY AFTER MULCH IS SPREAD. INSTALL SLOPE MATTING ON SLOPES 3.1 AND STEEPER PER SLOPE PERMANENT SEEDING SCHEDULE: SEEDING SHALL BE COMPLETED IMMEDIATELY FOLLOWING SRE RECLAMATION AND PRIOR TO PROJECT COMPLETION. TEMPORARY OR INTERMEDIATE SEEDING. MULCHING. MATTING. OR OTHER SURFACE STABILIZATION MEASURES SHALL BE PLACED ON DISTURBED AREAS FOLLOWING INITIAL SOIL DISTURBANCE. PRIOR SIX SEEDING,TO ENHANCALL E SURFACES GERMINATION AND HELP IMPEDE SORMWATER RUNOFF. SEEDING MIXTURES FOR THE BERMS WILL BE TAILORED TO SITE SPECIFIC CONDITIONS, STEEPNESS OF SLOPES, CLIMATE, LOCATION,AND ELEVATION. TYPICAL SEEDING FOR DAMS AND ADJACENT GREENS GUIDELINES S ARE AS FOLLOWS: NOVEMBER THROUGH FEBRUARY KV-31 TALL FESCUE 120 LBS/ACRE ANNULAiLY GRASS50 LBS/ACRE BERMUDA GRASS 20 LBS/ACRE (UNHULLED) MARCH THROUGH U 31 TALL FESCUE 120 LBS/ACRE BERMUDA GRASS 40 LBS/ACRE (HULLED) JULY THROUGH OCTOBER KY-31 TALL FESCUE ANNUAL RYE GRASS BERMUDA GRASS INTERMEDIA7E SEED MIX - FALL - WINTER -31 TALL FESCUE ANNUAL RYE GRASS RYE GRAIN (NURSE CROP) 120 LBS/ACRE 60 BSWAGE 20 LBSWACRE (UNHULLED SEAT - OCT) 80 LBS/ACRE 80 LBS/ACRE 40 LBS/ACRE SPRING MER Y 35U TALL FESCUE 120 LBS/ACRE GERMAN MILLET 10 LBS/ACRE ADDITIONAL SEEDS CAN BE ADDED OR SUBSTITUTED WITH APPROVAL FROM ENGINEER 3. SEEDING MIXTURES FOR ALL OTHER AREAS SHALL BE TAILORED TO STATE -SPECIFIC CONDITIONS STEEPNESS OF SLOPES, CLIMA7E, LOCATION, AND ELEVATION. 7YPICAL SEEDING GUIDELINES ARE AS FOLLOWS• KEN7UCKY-31 TALL FESCUE AT 100 LBS/ACRE. SERICEA LESPEDEZA AT 15 LBS/ACRE. 4. IN THE ABSENCE OF SOIL TEST, FERTILIZER AND LIME WILL GENERALLY BE APPLIED AT THE FOLLOWING RATES: 10-20-20 FERTILIZER GROUND AGRICULTURAL LIME 400 LBS/ACRE 2000 Las/ACRE LIQUID LIME OR ALTERNATIVE FERTILIZERS MAY BE SUBSTITUTED IN VARIOUS SITUATIONS. MULCH, EROSION CONTROL BLANKETS, AND/OR FLEXIBLE GROWTH MEDIUM SHALL BE APPLIED TO ALL SEEDED AREASTO D IN THE ESTABLISHMENT OF VEGETATION AND H ELP IMPEDE EROSION. VEGETATIVE MULCH, TYPICALLY WHEAT OR OAT STRAW. SHALL BE APPLIED AT THE RATE OF 4000 LBS/ACRE. F�2 NOR Engineering, Inc. of the Carolinas License Number F.116 .0 S church Street, Suite 1000 charlotte, NC 28202.075 PE SEAL DRAWN BY: B. SMITH CIVIL DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS DESIGNED BY: M. LITTLE MECHANICAL CHECKED HRENS BY: e A ELECTRICAL ISSUED FOR EROSION CONTROL PERMIT REVIEW BS BA PPROVED BY' DATE: -2 2021 POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL NOTES DALE REVISION ORN DSGN APPR CIVIL ELEC PECH PROJECT NUMBER: 101 5502 NONErsECLS-C906.001.002-1 0 GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WRH THE NCGO1 CONSTRUCTION GENERAL PERMIT IMPLEMENTING THE DE7AILS AND SPECIFICATIONS ON THIS PLAN SHEET WILL RESULT IN THE CONSTRUCTION AC7IV,Y BEING CONSIDERED COMPLIANT W,H GROUND (SEC RESTABILIZATION AND MA7ERIALS PECTIVELY). SECTIONS OF THE NCGO1 CONSTRUCTION GENERAL PERM TIONS E AND R APPROVED ECTIV AUTHORHE ITY SHALL COMPLY WITH THE EROSION AND SEDIMENT CONTROL PLAN APPROVED BY THE DELEGATED AUTHORITY HAVING JURISDICTION. PDETAILS AND SPECIFICATIONS SHOWN ON THIS SHEET MAY NOT APPLY DEPENDING ON SITE CONDITIOIO NS AND THE DELEGATED AUTHORITY HAVING JURISDICTION. SECTION E: GROUND SABILIZATION Sl7E AREA DESCRIPTION STABILIZE WITHIN THIS AFTERMANY CALENDAR DAYS LAND DISURBANCE TIMEFRAME VARIATIONS A PERIMETER DIKES, SWALES,DITCHES AND PERIMETER SLOPES NONE B. HIGH QUALITY WATER (HOW) ZONES NONE C. SLOPES STEEPER THAN 3, IF SLOPES ARE 10' OR LESS IN LENGTH AND ARENOT STEEPER THAN 2:1, 14 DAYS . ALLOWED D. SLOPES 3:1 TO 4, 14 -O DAYS FOR SLOPES GRATER THAN 50' IN LENGTH AND WITH SLOPES STEEPER THAN 4:1 - Z DAYS FOR PERIMETER DIKES, SNALES DITCHES. PERIMETER SLOPES AND WATERSHED ZONES . FOR FALLS LAKE E. AREAS WITH SLOPES FLATTER THAN 4:1 14 - Z DAYS FOR PERIMETER DIKES, SNALES DITCHES, PERIMETER SLOPES AND HOW ZONES - 10 DAYS FOR FALLS LAKE WATERSHED UNLESS THERE IS ZERO SLOPE PERMANENT CESSATION CONSTRUCTION ACTIVITIES, WITH TEMPORARY GROUND STABILIZATION SHALL BE CONVERTED TOPERMANENT GROUND STABILIZATION AS SOON AS PRACTICABLE BUT IN NO CAS 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 THE RAIN WILL NOT DISLODGE THE SOIL. USE ONE OF THE 7ECHNIOUES .E TABLE BELOW: TEMPORARY STABILIZATION PERMANENT STABILIZATION TEMPORARY GRASS SEED COVERED WITH STRAW OR OTHER MULCHES AND TACKIFIERS HYDROSEEDINC ROLLED EROSION CON7ROL PRODUCTS WITH OR WITHOUT TEMPORARY GRASS SEED APPROPRIATELY APPLIED STRAW OR OTHER MULCH PLASTIC SHEETING PERMANENT GRASS SEED COVERED WITH STRAW OR OTHER MULCHES AND TACKIFIERS CEOTE.LE FABRICS SUCH AS PERMANENT SOIL REINFORCEMENT MA7TING 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 PRODUCTS WRH GRASS SEED. POLYACRYLAMIDES (PANS) AND FLOCCULANTS 1. SELECT FLOCCULANTS THAT ARE APPROPRIATE FOR THE SOILS BEING EXPOSED DURING CONSTRUCTION, SELECTING FROM THE NC DWR LIST OF APPROVED PANS/FLOCCULANTS. 2. APPLY FLOCCULANTS AT OR BEFORE THE INLETS TO EROSION AND SEDIMENT CONTROL MEASURES. 3. APPLY FLOCCULANTS AT THE CONCENTRATIONS SPECIFIED IN THE NC DWR LIST OF APPROVED PANS/FLOCCULANTS AND IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS. 4. PROVIDE PONDING AREA FOR CONTAINMENT OF TREATED STORMWATER BEFORE DISCHARGING 5_ STORE FLOCCULANTS IN ER STORM -RESISTANT COVER OR SURROUNDED BY SECONDARY CONTAINMENT STRUCTURES. EQUIPMENT AND VEHICLE MAIMENANCE 1. MAINTAIN VEHICLES AND EOUIPMENT 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 POSSIBLE 5. REMOVE LEAKING VEHICLESD CONSTRU CTION EQUIPMENT FROM SERVICE UNTIL THE PROBLEM HAS BEEN CORRECTED CO 6. BRING USED FUELS LUBRICANTS, COOLANTS, HYDRAULIC FLUIDS, AND OTHER PETROLEUM PRODUCTS TO A RECYCLING OR DISPOSAL CEMER THAT HANDLES THESE MATERIALS. LITTER, BUILDING MATERIAL, AND LAND CLEARING WASTE 1. NEVER BURY OR BURN WASTE. PLACE LRTER AND DEBRIS IN APPROVED WASTE CONTAINERS. 2. PROVIDE A SUFFICIENT NUMBER AND SIZE OF WASTE CONTAINERS (f.G. DUMPS,R, TRASH RECEPTACLE) ON SRE 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 REASONABLE AVAILABLE. COCA E WASTE CONTAINERS ON AREAS THAT DO NOT RECEIVE SUBSTANTIAL AMOUNTS OF RUNOFF FROM UPLAND AREAS AND DO NOT DRAIN DIRECTLY TO A STORM DRAIN, STREAM, OR WETLAND. 5 WASTECOVER FCOR PROVIDESECONDARY CONTAINMENT. REPAIR OR REPLACE DAMAGED WASTE CONTAINERS. 6. ANCHOR ALL LIGHTWEIGHT ITEMS IN WASTE CONTAINERS DURING TIMES OF HIGH WINDS. J. EMPTY WASTE CONTAINERS AS NEEDED TO PREVENT OVERFLOW. CLEAN UP IMMEDIATELY IF CONTAINERS OVERFLOW. DISPOSE8. A NAPPROVED DISPOSAL 9. ON BUSINESS DAYS. CLEANUP AND DISPOSE OF WAS, IN DESIGNATED WASTE CONTAINERS. PANT AND OTHER LIQUID WASTE 1. NO7 DUMP PAINT AND OTHER 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 APPROPRIA ELY FOR THE NEEDS OF THE SITE. 5 PREVENT THE DISCHARGE OF SOAPS, SOLVE, S, DETERGEN S, AND OTHER LIQUID WASTES FROM CONSTRUCTION PORTABLE TOILETS 1. INS7ALL PORTABLE TOILETS ON LEVEL GROUND, AT LEAST 50 FEE7 AWAY FR. S7ORM DRAINS, STREAMS. OR WE7LANDS UNLESS HERE 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. MON,OR PORTABLE DPROPERLY 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, PERIMETERSEDIMENT CONTROLS, WATERS AND SURFACE UNLESS CAN BE SHOWN NO OTHER ALTERNATIVES 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 WRHIN THE TIMEFRAMES PROVIDED ON THIS SHEET AND IN ACCORDANCE WITH 7HE APPROVED PLAN AND ANY ADDITIONAL UIREMEN,. SOIL S7ABILIZATION IS DEFINED AS VEGETATIVE PHYSICAL, ED OR CHEMICAL COVERAGE TECHNIOUES THAT WILL RESTRAIN ACCELERATED EROSION ON DISTURBED SOILS FOR TEMPORARY OR PERMANENT CONTROL NEEDS. CONCRETE WASHOUTS DO NOT DISCHARGE CONCRETE OR EMENT SLURRY DISPOSE OF, OR RECYCLE SETTLED, HARDENED CONCRETE RESIDUE IN ACCORDANCE WRH LOCAL AND STATE SOLID WASTE REGULATIONS AND AT AN APPROVED FACILIT, MANAGE WASHOUT FROM MORTAR MIXERS IN ACCORDANCE WITH THE ABOVE REM AND IN ADDITION, PLACE THE MIXER AND ASSOCIATED MATERIALS ON IMPERVIOUS BARRIER AND WITHIN LOT PERIMETER SIL7 FENCE. TEMPORARY CONCRETE WASHOUTS ALTERNATE METHOD OR PRODUCT IS P LOCAL R, APPLICABLE. O BEUSED, CONACT YOURAPPROVAL AUTHORIIFOR REVIEW AND APPROVAL. IF LOCAL STANDARD DETAILS ARE NOT AVAILABLE, USE THE TWO TYPES O F TEMPORARY CONCRETE WASHOUTS PROVIDED ON THIS DETAIL. DO NOT USE CONCRETE WASHOUTS FOR DEWATERING OR STORING DEFECIVE CURB OR SIDEWALK STORMWATER DISCHARGED TO THE STORM DRAINT WASHOUT DPUMPED R SYSTEM OR RECEIVING SURFACE WATERS LIOUIID WASTEMUST BE PUMPED OUT AND REMOVED FROM PROJECT. LOCATE WASHOUTS AT LEAST 50 FEET AWAY 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. UEASILY ENTRANCE PAD IN FRONT OFTHE WASHOUT• GROUND A STONE ADDITIONAL CONTROLS MAY BE REQUIREDBY THE APPROVING AUTHORITY. 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. REMOVE LEAVINGS OVERFLOW F WASHOUTROM THE P EVENTS.HE REPLACE TTARP. SAND BAGS,OR OTHER TEMPORARY ITY 70 LIMIT OSTRUCTURAL 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 REMOVAL HERBICIDES, PESTICIDES, AND RODENTICIDES 1. STORE AND APPLY HERBICIDES, PESTICIDES, AND RODENTICIDES IN ACCORDANCE WITH LABEL RESTRICTIONS. 2. STORE HERBICIDES, PESTICIDES, AND RODENTICIDES IN THEIR ORIGINAL CONTAINERS WITH THE LABEL, WHICH LIS, DIREC7IONS FOR USE, INGREDIEN,, AND FIRS7 AID STEPS IN CASE OF IDENTAL POISONING. 3. DOCNOT STORE HERBICIDES. PESTICIDES, AND RODENTICIDES IN AREAS WHERE FLOODING IS POSSIBLE OR WHERE THEY MAY SPILL OR LEAK INTO WELLS, STORMWATER DRAINS, GROUND WATER, O R SURFACE WATER. IF A SPILL OCCURS, CLEAN AREA IMMEDIATELY. 4. DO NOT STOCKPILE THESE MATERIALS ON -SITE. HAZARDOUS AND TOXIC WASTE 1. CREATE DESIGNATED HAZARDOUS WASTE COLLECTION AREAS ON -SITE. 2. PLACE HAZARDOUS WASTE CONTAINERS UNDER COVER OR IN SECONDARY CONTAINMENT. 3. DO NOT STORE HAZARDOUS CHEMICALS, DRUMS, OR BAGGED MATERIALS DIRECTLY ON THE GROUND. F�2 NOR Engineering, Inc. of the Carolinas License Number F.116 .0 S church Street, Suite 1000 charlotte, NC 28202.075 PE SEAL DRAWN BY: B. SMITH CIVIL DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS DESIGNED BY: M. LITTLE MECHANICAL CHECKED HRENS BY: e A ELECTRICAL ISSUED FOR EROSION CONTROL PERMIT REVIEW BS BA PPROVED BY, DATE: -2 2021 POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL NOTES DALE REVISION SRN EISSN APPR CIVIL ELEC PECH PROJECT NUMBER: 101 5502 NONE CLS-C906.001.003-1 0 PART III SELF -INSPECTION, RECORDKEEPING, AND REPORTING SECTION A SELF INSPECTION SELF-INSPECTIONS ITRDURING NORMAL BUSINESS ACCORDANCE WH HE TABLE BELOW.WHEN HOURSINADVERSE WEATHER OR SITE CONDITIONS WOULD CAUSE THE SAFETY OF THE INSPECTION PERSONNEL TO BE IN JEOPARDY, THE INSPECTION MAY BE DELAYED UNTIL THE NEXT BUSINESS DAY ON WHICH IT IS SAFE TO PERFORM THE INSPEC-HON. IN ADDITION, WHEN A STORM EOUAL TO OR GREATER THAN 1.0 NS NORMAL BUSINESSHOURS, THESELF INSPECTION IDE OFSHALL BE PERFORMED UPON THE COMMENCEMENT OF THE NEXT BUSINESS DAY. ANY TIME WHEN INSPECTIONS WERE DELAYED SHALL BE NOTED IN THE INSPECTION RECORD. INSPECT FREQUENCY INSPECTION RECORDS MUST INCLUDE: 1. RAIN GAUGE MAINT NED IN GOODAWORKING ORDER DAILY 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- A7TENDED DA, (AND THIS WILL DETERMINE IF A SITE INSPECTION IS NEEDED). DAYS ON WHICHNO RAINFALL OCCURRED CORDED A THE PESION.E MAY USE ANOTHER RAIN -MONITORING DEVICE APPROVED BY THE DIVISION. 2. E&SC MEASURES , LEAST ONCE PER J CALENDAR DAYS AND WITHIN 24 HOURS OF A RAIN EVENT >/= 1.0 INCH IN 24 HOURS. 1. IDENTIFICATION OF THE MEASURES INSPECTED, 2. BATE AND HiEE O PERFORMINF -rHE G THE INSPECION, 3. NAME OF E WHETHER 4. 5. INDICATION OF WHETHER THE MEASURES WERE OPERATING PROPERLY, 5. DESCRIPTION OF MAINTENANCE NEEDS FOR THE MEASURE, 6. DESCRIPTION. EVIDENCE. AND DATE OF CORRECTIVE ACTIONS TAKEN. 3. STER DISCHARGE O UTFALLS (BOGS) AT LEAST ONCE PER J CALENDAR DAYS AND WITHIN 24 HOURS / A RAIN 1.0 INCH EVENT HOURS. IN 24 OUTFACES INSPECTED, 2. DATE AND TIME OFTHE INSPECTION, 3. NAME OF THE PERSON PERFORMING THE INSPECTION, 4. EVIDENCE OF INDICATORS OF DED SOLIDS POLLUTION SUCH PS OIL SHEEN, FLOATING OR SUSPENDED SOLIDS OR DI-rE, RA ION, 6. DESCRIPTION. EVIDENCE, AND DATE OF CORRECTIVE ACTIONS TAKEN. 4 PERIME7ER OF SITE AT LEAST ONCE PER Z CALENDAR DAYS AND WITHIN 24 HOURS OF EVENT O INCH IN 24 HOURS. IF VISIBLE SEDIMENTATION IS FOUND OUTSIDE THE LIMITS, THEN A RECORD OF THE FOLLOWING SHALL BE MADE: 1. ACTIONS TAKEN TO CLEAN UP OR STABILIZE THE SEDIMENT THAT HAS E 2. DESCRIPTION. EVIDENCE, AND DATE OF CORRECTIVE ACTIONS TAKEN. AND 3. AN EXPLANATION AS TO THE ACTIONS TAKEN TO CONTROL FUTURE RELEASES. 5- S7REAMS OR WETLANDS ON-STE OR OFF -SUE (WHERE ACCESSIBLE) AT LEAST ONCE PER A CDALENDAR DAYS O W N 24 EVENT >/=A1.0 INCR IN 24 HOURS. IF THE STREAM OR WETLAND HAS INCREASED VISIBLE SEDIMENTATION OR A CONSTRUCTION ACTIVITY, A RECORD F THE FOLLOWING SHALL BE MADE: EN DESCRIPTION. EVIDENCE, AND DATE OF CORRECTED ACTIONS TAKEN. AND 2. RECORDS OF THE REQUIRED REPORTS TO THE APPROPRIATE DIVISION REGIONAL OFFICE PER PART III, SECTION C ITEM (2)(A) OF THIS PERMIT. 6. GROUND STABILIZATION MEASURES AFTER EACH PHASELAND-DISTURBINGCONSTRUCTION OF GRADING P 1. THE PHASE OF GRADING (INSTALLATION OF PERIMETER E&SC MEASURES, CLEARING AND GRUBBING. INSTALLA-HON OF STORM DRAINAGE OR FACILITIES, REODEVEELION ENT PERMANENT GROUNDOVER). OPM MA N CO 2. DOCUMENTATION THAT THE RE OUIREDDUIRED ME FRAM ION MEASURES HAVE BEEN PROVIDED WITHIN THE REQUIRED TIME FRAME OR AN ASSURANCE THAT THEY WILL BE PROVIDED AS SOON AS POSSIBLE. NOTE: THE RAIN INSPECTION RESETS THE REQUIRED I CALENDAR DAY INSPECTION REQUIREMENT. PART IIoOSECTION G,DIM EMT 'BASINS FOR MAINTENANCE OR CLOSE OUT PART III PART III SELF -INSPECTION, RECORDKEEPING AND REPORTING SELF -INSPECTION, RECORD KEEPING AND REPORTING SECTION B: RECORDKEEPING SECTION C REPORTING 1. E&SC PLAN DOGUMENTA-HON 1. OCCURRENCES THA7 MUST BE REPOR-rED PERMITTEES SHALL REPORT THE FOLLOWING OCCURRENCES: THE APPROVED E&SC PLAN AS WELL AS ANY APPROVED DEVIATION SHALL BE KEPT ON THE SITE. THE APPROVED E&SC PLAN MUST BE KEPT UP-TO-DATE THROUGHOUT THE COVERAGE UNDER THIS PERMIT. THE FOLLOWING ITEMS PERTAINING TO THE E&SC PLAN SHALL BE KEPT ON SITE AND AVAILABLE FOR INSPECTION AT ALL -HMES DURING NORMAL BUSINESS HOURS. 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 INITIAL AND DATE EACH E&SC MEASURE ON A COPY OF THE APPROVED E&SC PLAN DR COMPLETE, DATE, AND SIGN AN INSPECTION REPORT THAT LISTS EACH E&SC MEASURE SHOWN ON THE APPROVED E&SC MEASURESPLAN. THIS DOCUMENTATION IS REQUIRED UPON THE INITIAL INSTALLATION OF 7HE E&SC THE E&SC MEASURES ARE MODIFIEDAFTER IF INITIAL INSTALLATION. B. A PHASE OF GRADING HAS BEEN COMPLETED. INITIAL AND DATE A COPY OF THE APPROVED E&SC PLAN OR COMPLETE, DATE, AND SIGN AN INSPECTION REPORT TO INDICATE COMPLETION OF THE CONSTRUCTION PHASE. C. GROUND COVER IS LOCATED AND INSTALLED IN ACCORDANCE WITH THE APPROVED E&SC INITIAL AND DATE A COPY OF THE APPROVED E&SC PLAN OR COMPLETE, DAE, ANDSIGN AN ENSPECTION REPORT TO SPECIFICATIONS. COMPLIANCE WU. APPROVED GROUND COVER D. THE MAINTENANCE AND REPAIR REQUIREMENTS FOR ALL E&SC MEASURES HAVE BEEN PERFORMED. COMPLETE, DATE, AND SIGN AN INSPECTION REPO, E. CORRECTIVE ACTIONS HAVE BEEN TAKEN TO E&SC MEASURES. INITIAL AND DATE A COPY OF THE APPROVED E PLAN OR COMPLETE. DATE, AND SIGN AN INSPECTION REPORT TO INDICATE THE COMPLETION OF THE CORRECTIVE ACTION. 2. ADDITIONAL DOCUMENTATION TO BE KEPT ON SITE IN ADDITION TO THE E&SC PLAN DOCUMENTS ABOVE, E FOLLOWING IT N THE SITE AND AVAILABLE FOR INSPECTORS A ALL TIMES DURING NORMAL BUSINESS HOURS. UNLESS THE DIVISION PROVIDES A SUE -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. (a) RECORDS MADE DURING TH SHALL RECORD N THE CREQUIRED ILA ONSERVA IONS ONE THE INCLUDES RECORD FORM EED ELEMENTS. BY THE DIVISION OR L SIMILAR INSPECTION FORM THAT INCLUDES ALL THE REQUIRED ELEMENTS. USE LL ELECTRONICALLY -AVAILABLE RECORDS C LIEU OF THE REQUIRED PAPER COPIES WILL BE ALLOWED IF SHOWN TO PROVIDE EQUAL ACCESS AND UTILITY AS THE HARD -COPY RECORDS 3. DOCUMENTATION TO BE RETAINED FOR THREE YEARS ALL DA A 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] 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 WEA HER). 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 17 WILL OCCUR. THE NON -SURFACE WI7HDRAWAL SHALL NOT COMMENCE UNTIL THE E&SC PLAN AUTHORI, HAS APPROVED THESE FrEMS, (B) 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, (C) DEWATERING DISCHARGES ARE TREATED WITH CONTROLS TO MINIMIZE DISCHARGES OF POLLUTANTS FROM STORMWATER THAT IS REMOVED FROM THE SEDIMENT BASIN. EXAMPLES OF APPROPRIATE CONTROLS INCLUDE PROPERLY SITED, DESIGNED AND MAINTAINED DEWATERING TANKS, WEIR TANKS, (D) VEGETATED, UPLAND AREAS OF THE SITES OR A PROPERLY DESIGNED STONE PAD IS USED TO THE EXTENT FEASIBLE AT THE OUTLET OF THE DEWATERING TREATMENT DEVICES DESCRIBED IN ITEM (C) ABOVE, (E) VELOCITY DISSIPATION DEVICES SUCH AS CHECK DAMS, SEDIMENT TRAPS, AND RIPRAP ARE PROVIDED AT THE DISCHARGE POINTS OF ALL DEWATERING DEVICES, AND (F) SEDIMENT REMOVED FROlvi THE BEW,ERING TREATMEN7 DEVICES DESCRIBED IN ITEM (C) ABOVE IS DISPOSED OF IN A MANNER THAT DOES NOT CAUSE DEPOSITION OF SEDIMEN-r IN70 WATERS OF THE UNITED STATES. (A) VISIBLE SEDIMENT DEPOSITION IN A STREAM OR WETLAND. (a) OIL SPILLS IF: GALLONS THEY ARE LESS TR 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 11J 3) OR SECTION 102 OF CERCLA (REF: 40 CFR 302.4) OR G.S. 143-215,5. (D) ANTICIPATED BYPASSES AND UNANTICIPATED BYPASSES. (E) NONCOMPLIANCE WITH THE CONDITIONS OF THIS PERMIT THAT MAY ENDANGER HEALTH OR THE ENVIRONMENT 2. REPORTING TIME FRAMES 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 TIME FRAMES AND IN ACCORDANCE WITH 7HE OTHER REOUIREMEN, LIS-rED BELOW. OCCURRENCES OUTSIDE NORMAL BUSINESS HOURS MAY ALSO BE REPORTED TO THE DEPARTMENT'S ENVIRONMENTAL EMERGENCY CENTER PERSONNEL AT (800) B58-0368. OCCURRENCE REPORTING TIME FRAMES (AFTER DISCOVERY) AND OTHER REQUIREMENTS A. VISIBLE SEDIMENT STREAM OR WETLAND WITHIN 24 HOURS: AN ACTUAL OR ELECTRONIC NOTIFICATION. WITHIN J CALENDAR 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 - - 03(D) BASIS. NAMED C H NC3 SEDIMENT -RELATED ED CAUSES NRTHE ING, I RMITTEI MAY BE REQUIRED TOR PERFORM ADDITIONAL MONITORING, INSPECTIONS OR APPLY MORE STRINGENT PRACTICES IF STAFF DETERMINE THAT ADDITIONAL REQUIREMENTS ARE NEEDED TCOASSURES COMPLIANCE WUH THE FEDERAL OR E P AIRED NELECTRONIC B. OIL SPILL AND RELEASE OF HAZARDOUS CITEM SUBSTANCES ABOVE. 1 WITHIN 24 HOURS: AN ORAL OR NOTIFICATIO, THE NOTIFICATION SHALL INCLUDE INFORMATION ABOUT THE DATE, TIME, NATURE, VOLUME, AND LOCATION OF THE SPILL OR RELEASE. C. ANTICIPATED BYPASSES [40 CFR 122.4100)(3)] A REPORT AT LEAST 110 DAYS BEFORE THE DATE OF THE BYPASS. IF POSSIBLE. THE REPORT SHALL INCLUDE AN EVALUATION OF THE ANTICIPATED QUALITY AND EFFECT OF THE BYPASS. D. UNANTICIPATED [40 CFR 122.4100)0)] WITHIN 24 HOURS: N ORAL OR ELECTRONIC NOTIFICATION A WITHIN Z 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 ENDAGER HEALTH [40 CFR EN 2.41 M)E,)] WITHIN 24 HOURS: AN ORAL OR ELECTRONIC NOTIFICATION. WITHIN 7 CALENDAR DAYS: A REPORT THAT CONTAINS A DESCRIP-HON OF THE THE PERIOD OF NONCOMPLIANCE. CAUSES, INCLUDING EXACTDATES AND TIMES, AND IF THE NONCOMPLIANCE HAS NOT BEEN CORRECTED, THE ANTICIPATED TIME NONCOMPLIANCE IS EXPECTED TO CONTINUE: AND THE STEPS TAKEN OR PLANNED TO REDUCE, ELIMIN,E, AD AND PP ., REOCCURRENCE OF THE NONCOMPLIANCE. [40 CFR DIVISION AF MAY CASE-BYVCASEE BASIS. IR MENT FOR A WRITTEN REPORT ONA F�2 NOR Engineering, Inc. of the Carolinas License Number F.116 .10 S Church Street, Suite 1000 Charlotte, NC MOD-DOM PE SEAL DRAWN BY: B. SMITH CIVIL DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS DESIGNED BY: M. LITTLE MECHANICAL CHECKED HRENS BY: e A ELECTRICAL ISSUED FOR EROSION CONTROL PERMIT REVIEW BS PPROVED BY' DATE: -2 2021 POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL NOTES DALE REVISION ORN EISON APPR CIVIL ELEC PECH PROJECT NUMBER?: 101 5502 NONE CLS-C906.001.004-1 0 CLIFFSID I STEAM UNITS is F�2 NOR Engineering, Inc. of the Carolinas License 6 282024r]5 Echarlotte, WETLED PATH TRAIL BARGE LAUNCH INSTALL 18" COMPOST SOCK DUPING CONSTRUCTION OF BARGE LAUNCH AFTER AREA STABILIZED, COMPOST SOCK MAY BE REMOVED LOO I// STAGING ARE H PILE TIE OFF LOCATION PE SEAL GENERAL NOTES: A ACCESS TO STAGING AREA TO BE COORDINATED VIA DUKE ENERGY THROUGH THE FACILITY B. WERE ACELEVATIONS WERE DERIVED BY USING REAL-TIME KINEMATIC GPS OBSERVATIONS USING CARLSON BRX-5 RECEIVERS AND PROCESSED USING NORTH CAROLINA GEODETIC SURVEY VIRTUAL REFERENCE SYSTEM. C. HORIZONTAL DATUM IS NC STATE PLANE COORDINATES NADA38200E D. VERTICAL DATUM IS NAVOBB. E. COLLECTED BY LSDI INC. ON 6/21/201B_ WATER SURFACE ELEVATION OBSERVED AT TIME OF COLLECTION WAS 665.7 F. BATHYMETRY DATA WAS COLLECTED BY LSDI INC. ON 01/26/2019. WATER SURFACE ELEVATION OBSERVED AT TIME OF COLLECTION WAS 66E2419. G. FEE 2014 PROVIDED BY DUKE ENERGY AND IS FOR REFERENCE ONLY N"THIS MAP SBASED ON D ET IC MAPPING OF IMAGERY COLLECTED ON APRIL H THE INFORMATION DEPICTED REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE CONDITIONS AT THAT TIME. BECAUSE THESE CONDITIONS ARE SUBJECT TO RAPID CHANGE DUE 70 SHOALING EVENTS, A PRUDENT MARINER SHOULD NOT RELY EXCLUSIVELY ON THE INFORMASION PROVIDED HERE. I. ADDITIONAL BATHYMETRY PROVIDED BY DUKE ENERGY ON FEBRUARY A. 2019 WITH APPROXIMATE WATER SURFACE ELEVATION OBSERVED: 665'3"FEET EXISTING DI, BOADACCESS L CLEARING/TREE REMOVAL SHEEET TEMPORARY KEY NOTES® 1. LIMITS OF DISTURBANCE 2. STABILIZED AREA/CONSTRUCTION ENTRANCE, SEE DETAIL 1/SHT 6. Z. TEMPORARY STOCKPILE AREA SEE DETAIL 1/SHT J. 4. SEED DISTURBED AREAS NOT COVERED BY RIP RAP OR AGGREGATE BASE. SEE SHEET 2 FOR SEEDING REQUIREMENTS. 5_ CONCRETE WASHOUT AREA SEE DETAIL 2/SHT 6_ 6. CONTRACTOR TO MINIMIZE FULL GRUBBING ON THE SLOPE TO ALLOW FOR ACCESS FOR THE ANCHOR AND BULKHEAD MODIFICATION WORK. CONTRACTOR TO WORK WITH DUKE ENERGY TO DETERMINE IF WOODY VEGETATION SHALL BE FULLY REMOVED IF IN PROXIMITY TO EXISTING I. CONTRACTOR MAY UTILIZE 12-INCH COMPOST FILTER SOCK IN LIEU OF SILT FENCING AS A PERIMETER BEST MANAGEMENT PRACTICE IF ACCESS PREVENTS INSSALLATION CHALLENGES. B. PERMANENT BARGE LAUNCH. SEE DETAIL 3/SHT ]_ O. COMPOST SOCK, SEE DETAIL 2/SHT J. 10. MATTING. SEE DETAIL 5/SH7 J. LEFT OVERFLOW SECTION DRB AW L1 LE ECBA ICAL ELECTRICAL ®® I LII = e ATE D.8- 20 LEGEND -- 654 -- BATHYMETRY CONTOURS FELLA 100 YEAR FLOODPLAIN LIMITS OF DISTURBANCE COMPOST SOCK CONSTRUCTION FENCE WETLANDS CLEARING/TREE REMOVAL WITH MATTING RIP RAP STABILIZED AREA/ CONSTRUCTION ENTRANCE IAYDOWN AREA HH PILE TIE OFF LOCATIONS DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL PLAN = 50 CLS C906.001.005-1 A_ PROVIDE CULVERT PIPE AS REQUIRED PROVIDE FILTER FABRIC UNDER STONE 6" LAIN MAINTENANCE. MAIN I AI N I HE GRAVEL PAD IN A (_ONDI I ION I O PHEVEN I MUD OH SEDIMEN I THOM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSI NG WTH 2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS. STABILIZED AREA/CONSTRUCTION ENTRANCE STEEL POST T =III 1ITI-TrITECDE52MI,DENTEP •MIry DONN, FORWARD STANDARD DETAIL TRENCH OVH 5.4TIJD PAC,. 1 75,45,DDOEME40=SFIZENN,C=T,10,LRATTIONS, THE CONTRACTOR SHALL INSTALL PER 4 SILT FENCE SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZE PONDING EFFICIENCY 5 SILT FENCE DRAINAGE AREA0F1/4 ACRE OR LESS4PER 100 LF Re x s.spAc A TENSILE STRENGTH -POLE, SILT FENCE O OR STAPLES DBAGS P' PLAN /� LING DEVICE(1 SIGNAGE CONCRETE WASHOUT STIC LINING IDE SLOPE STAPLES OR SILT (TMTT FENCE /C MAX SECTION I I NOTES 1. ACTUAL CATION DETERMINED IN THE FIELD. 2. THE CONCRETE WASHOUT BE MAINTAINED'WHEN THE LHALL LIQUID AND/OR SOLID REACHES 75%0F THE STRUCTURE'S CONCRETE WASHOUT STRUCTURE NEEDS BE CLEARLY MARKED WITH SIGNAGE NOTING DEVICE. CONCRETE WASHOUT II MIN f o HIGH COHESIVE L FILTRATION SOIL BERM SANDBAGS OR STAPLES PLAN SANDBAGS TYP) OR 11 SIDE SLOPE (TYP) $y'MAX Lo FILTRATE& u COHESIVEFILTRATION SOIL BERM PLASTIC LINING SECTION (70 CLEARLY MARKED SIGNAGE NOTES NOTING DEVICE (te'x2A"AIIN) 1. ACTUAL LOCATION DETERMINED IN THE FIELD. 2. THE CONCRETE WASHOUT STRUCTURES SHALL BE MAINTAINED WHEN THE LIQUID ANDIOR SOLID REACHES 75, OF THE STRUCTUR HOLDING CAPACIN TO CAPACITIY PROVIDE WITH A MINIMUM OF 112INCHES OF CONCRETE WASHOUT STRUCTURE NEE. BE CLEARLY MARKED WITH SIGNAGE NOTING DE ICE. BELOW GRADE WASHOUT STRUCTURE ABOVE GRADE WASHOUT STRUCTURE CONCRETE WASHOUT DETAIL O F�2 NOR Engineering, Inc. of the Carolinas License Number F.116 .0 S church Street, Suite 1000 charlotte, NC 28202.075 DE SEAL DRAWN BY: B. SMITH CIVIL DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS DESIGNED BY: M. LITTLE MECHANICAL CHECKED HRENS BY: e A ELECTRICAL 10-25-2021 ISSUED FOR EROSION CONTROL NEROIT REVIEW BS PPROVED BY" DATE: -2 202 POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL DETAILS DATE REVISION CON DSSN APPR CIVIL ELEC OFCH PROJECT NUMBER: 101 P502 AS NOTEDrsECLS-C906.001.006-1 0 1D"(TYR) En E111=1LF111-1LEIIEILFIIFILEIG SILT FENCE (SEE DETAIL) NOTES: . WATTLES MAY BE INSTALLED IN LIEU OF COMPOST SOCKS. SEE WATLE DETAIL 1 ON Oa-01.-00Z FOR WATLE INSTALLATION. 2. INSTALL COMPOST SOCKS ALONG LEVEL CONTOUR PERPENDICULAR TO STORMWATER FLOW TO ASSIST NDISSIPATING FLOW INTO SHEET FLOWAND CONCENTRATED REDUCING RUNOFFVELOCBY. SOCKS3. COMPOST 4. STAKES SHALL BE A OF MINIMUM OF 187 DIAME7ER UNLESS OTHERWISE NOTED. OTHER DURABLE HARDWOOD. 5. ALACTEE R.MPOST SOCKS END To END AND JOIN ENDS SLEENNG ONE SOCK END INTO THE ENDS OF TPREVENT E SOCKMUST`BE FLOWING EEVATION_ AEMIN�MOM OFOST �iO LINEAR FEET AT EACH END PLACED AT AN ANGLE HIGHER 30' IS RECOMMENDED. MAINTENANCE' INSPECT COMPOST SOCKS WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL EVENT (AS DEFINED BY NCDEO). REMOVE ACCUMULATED SEDIMENT AND ANY DEBRIS. THE COMPOST SOCK MUST BE REPLACED IF CLOGGED OR TORN. IF PONDING BECOMES EXCESSIVE THE SOCK MAY NEED TO BREPLACED ALARGER DIAMETER OR A DIFFERENT MEASURE. O BEREINSALLED IF UNDERMINED OR DISLODGED. HE THE SOCK NEEDS SHALLCOMPOST SOCK INSPECTED IS COMPLETE AREA ABOVE THEMEASURE HASBEEN PERMANENT. STABILIZED. AND THE FLOW1 —4.- COMPOST SOCK COMPOST SOCK AREA TO BE AREA TO BE PROTECTED _ii . .y )� PROTECTED STAKES SECTION n 112 HEIGHT OF LOG UNTRENCHED INSTALLATION FOR UNTRENCH,SOCKS AR, STAKES SECTION n TRENCH GROUND 4' MIN STOCKPILE AR, ORIGINAL GROUND SURFACE NOTES LOCATED ONMEAR A SLOPE THE SILT FENCE IS TO IXTEND ,ONG CONTOURS OF THE DOWN -GRADIENT AR, MUST BE IMPLEMENTED 3 SILT FENCE SH,L BE MAINTAINED UNTIL STOCKPILE AREA HAS EITHER BEEN REMOVED OR 4 THE KEY TO FUNCTIONAL TEMPORARY STOCKPILE AREAS IS WEEKLY INSPECTIONS, ROUTINE MAINTENANCE, AND REGULAR SEDIMENT REMOV, 5 TEMPORARY STOCKPILE TO HAVE A MAXIMUM HEIGHT OF 10' TEMPORARY STOCKPILE ES&C NOT TO SCALE NOTES 1. SURGE STONE SIZE SHALL BE .5INCH TO 15INCH. 2. CONTRACTOR E. KOOK 6 INCH TOP LAYER OF NCDOT SSE STONE. PERMANENT BARGE LAUCH SECTION DETAIL O NON —WOVEN FILTER FABRIC DOZER TREADS CREATE CLEA7 IMPRINTS PARALLEL TO THE SLOPE CONTOUR IJOTE SHOULD BE SEEDED.ND STABILIZED IMMEDIATELY. TRACKING DETAIL NOT TO SCALE COMPOST SOCK DETAIL NOT TO SCALE NOTE THIS APPLICATION MAY NOT BE USED WITH COMPOST SOCKS SMALLER THAN 12" ENTRENCHED INSTALLATION E:.TG 2 PLAN COMPOST SOCK EROSION CONTROL MATTING DETAIL FOR STEEP SLOPES DVERCUT CHANNELS 2. TO ALLOW BULKING DURING SEEDBED PREPARATION, MEN THE BLANKET IMNROLIZ: yNETINGHESVINLB.E .1E11:,,I.T17,AgD7FHIpENEINgrrrET,ovr-r1I-I TEN SOIL OVER THE OVERLAP ENDS AND SIDES 6' AND THEN STAPLE VERTICAL INSTALLATION MAY USED UPON ENGINEERS STAPLING INSTRUCTIONS. USE WRE STAPLES, agl• DiAMETER OR GREATER, , SHAPED WiTH LEOS 6" LONG OR LONGER AND 1' CROWN SIZE AND GAUGE OF STAPLES USED WLL VARY WTH SOIL CONDITIONS DRIVE STAPLES %/ERTiCALLY iNTO THE GROUND USE FOUR STAPLES ACROSS .47 THE START OF EACH ROLL FOR SLOPE INSTALLATION. CONTINUE 70 STAPLE ALONG THE LENGTH OF THE ROLL AT 3' TO 5 INTERVALS FOR DITCH LINER. STAPLE ALONG THE LENGTH OF THE ROLL AT 3' INTERVALS ANOTHER ROW OF STAPLES 1.5 INTERVALS. SWALES OR HIGH VELOCITY AREAS- TYPE S150 OR APPROVED EGUAL MATTING STEEP SLOPES O NOT TO SCALE F�2 NOR Engineering, Inc. of the Carolinas License Number F.116 .0 S church Street, Suite 1000 charlotte, NC 28202.075 PE SEAL DRAWN BY: B. SMITH CIVIL DUKE ENERGY CAROLINAS, LLC CLIFFSIDE LOW HEAD DAM MODIFICATIONS DESIGNED BE P. ETRE MECHANICAL CHECKED BY: AHRENS a ELECTRICAL 10-25-20, ISSUED FOR EROSION CONTROL PERMIT REVIEW BS PPROVED BY' DATE) -25-2D POST -TENSIONED ANCHORS AND BULKHEAD INSTALLATION CLEVE-053 EROSION AND SEDIMENT CONTROL DETAILS DATE REVISION DRN OSGN CIVIL ELEC MECH SCALE AS NOTED F�ECLS-C906.001.007-1 0