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