SW3240204_Construction Sequence_20240305

GENERAL EROSION AND SEDIMENT CONTROL CONSTRUCTION SEQUENCE:
1. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN, A RAIN GAUGE, AND 21. DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION, AND OTHER WASTES MUST BE 1. EROSION AND SEDIMENT CONTROL (E&SC) PERMIT AND A CERTIFICATE OF COVERAGE (COC) MUST BE
ALL REQUIRED DOCUMENTATION SHALL BE KEPT UP TO DATE AND MAINTAINED ON THE LOCATED A MINIMUM OF 50' FROM STORM DRAINS AND STREAMS UNLESS NO OBTAINED BEFORE ANY LAND DISTURBING ACTIVITIES OCCUR. A COPY OF THE E&SC PERMIT, THE
SITE AT ALL TIMES DURING CONSTRUCTION. REASONABLE ALTERNATIVES ARE AVAILABLE. COC, AND A HARD COPY OF THE E&SC PLAN MUST BE KEPT ON SITE, PREFERABLY IN A PERMITS BOX,
AND ACCESSIBLE DURING INSPECTION. THE COC SHALL BE OBTAINED BY COMPLETING THE
2. REFER TO SPECIFICATION SECTION 31 25 00 FOR EROSION AND SEDIMENT CONTROL 22. ALL DISTURBED AREAS, EXCEPT FOR CONCRETE, PAVED AREAS, AND OTHER ELECTRONIC NOTICE OF INTENT (E-NOI) FORM AT DEQ.NC.GOV/NCG01.
REQUIREMENTS INCLUDING INSPECTION AND MAINTENANCE REQUIREMENTS. IMPERVIOUS SURFACES SHALL BE FERTILIZED, SEEDED AND MULCHED IN ACCORDANCE 2. THE CONTRACTOR SHALL SIGN AND IMPLEMENT THE REQUIREMENTS OF THE STATE-APPROVED E&SC
WITH THE SPECIFICATIONS AND THE SEEDING SCHEDULE, AND RE-SEEDED AS PERMIT AND THE NORTH CAROLINA NPDES GENERAL PERMIT FOR STORMWATER DISCHARGES
3. PRIOR TO THE INSTALLATION OF EROSION AND SEDIMENT CONTROL MEASURES, AND NECESSARY, TO ESTABLISH AND MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. ASSOCIATED WITH CONSTRUCTION ACTIVITIES. THE CONTRACTOR SHALL ALSO POST THE APPROVED
AGAIN AFTER MEASURES HAVE BEEN INSTALLED BEFORE CONSTRUCTION BEGINS, E&SC PERMIT ON THE JOB SITE AND SHALL NOTIFY THE NCDEMLR AT [phone] AT LEAST 72
CONTRACTOR IS REQUIRED TO NOTIFY NC DEMLR MOORESVILLE REGIONAL OFFICE AT 23. ALL POINTS OF CONSTRUCTION INGRESS AND EGRESS SHALL BE PROTECTED WITH A HOURS PRIOR TO BEGINNING CONSTRUCTION ACTIVITIES TO SCHEDULE A PRE-CONSTRUCTION
[phone]. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE TO PREVENT THE DEPOSITION OF MEETING.
MATERIALS ONTO TRAVERSED PLANT AND OFFSITE ROADWAYS. IF MATERIAL IS TRACKED
4. CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION AND ONTO PLANT AND OFFSITE ROADWAYS, IT SHALL BE REMOVED IMMEDIATELY. DO NOT 3. CONTRACTOR SHALL CONTACT UNION POWER COOPERATIVE PRIOR TO COMMENCING WITH ANY
SEDIMENT CONTROL MEASURES NECESSARY TO PREVENT EROSION AND UTILIZE WATER TO CLEAN ROADS UNLESS THE RUNOFF IS DIRECTED TO A PROPERLY CONSTRUCTION ON SITE.
SEDIMENTATION AS DETERMINED IN THE FIELD BY THE PLAN APPROVING AUTHORITY. DESIGNED AND FUNCTIONING SEDIMENT CONTROL DEVICE. PROPER PRECAUTIONS
SHALL BE TAKEN TO ENSURE MATERIALS DEPOSITED ONTO PLANT AND OFFSITE 4. CONSTRUCTION OR LAND DISTURBANCE ACTIVITIES MAY NOT BEGIN UNTIL PHASE 1 E&SC MEASURES
5. CONTRACTOR SHALL OBTAIN PRIOR APPROVAL FROM THE ENGINEER, OWNER, AND ROADWAYS ARE REMOVED SO THEY DO NOT ENTER YARD INLETS, CATCH BASINS, HAVE BEEN INSTALLED AROUND CONSTRUCTION AREAS AND AREAS DENOTED FOR CONTRACTOR
REGULATORY AGENCIES FOR DEVIATIONS FROM THE APPROVED EROSION AND SEWERS, WETLANDS, SURFACE WATER BODIES, OR ROADSIDE SWALES. LAYDOWN/STOCKPILE AREAS AS INDICATED ON THE CONTRACT DRAWINGS. IF CLEARING IS
SEDIMENT CONTROL PLAN. 24. ALL PAVED ROADWAYS ARE TO BE INSPECTED DAILY BY THE CONTRACTOR. PAVED REQUIRED FOR INSTALLATION OF A GIVEN MEASURE, ALL OTHER MEASURES SHOWN SHALL BE 6. CLEARING SHALL BE LIMITED AS MUCH AS POSSIBLE TO AREAS REQUIRED FOR CURRENT ROADWAYS WITHIN THE PLANT PROPERTY MUST BE KEPT CLEAN AT ALL TIMES. WATER INSTALLED FIRST. THE NECESSARY LAND REQUIRED FOR INSTALLATION OF THE GIVEN MEASUREMAY THEN BE CLEARED.
CONSTRUCTION ACTIVITIES. MASS CLEARING AND GRADING SHALL BE AVOIDED. SHALL NOT BE USED TO CLEAN ROADS UNLESS THE RUNOFF IS DIRECTED TO A
PROPERLY DESIGNED AND FUNCTIONING SEDIMENT CONTROL DEVICE. 5. ONCE ALL PHASE 1 E&SC MEASURES HAVE BEEN INSTALLED, THE SITE SHALL BE CLEARED AND
7. CONTRACTOR SHALL INSPECT ALL EROSION AND SEDIMENT CONTROL MEASURES AT GRUBBED, AS REQUIRED, WITHIN THE LIMITS OF DISTURBANCE (LOD)AS SHOWN ON THE CONTRACT
LEAST ONCE A WEEK OR AFTER EACH RAINFALL EVENT OF 1 INCH OR MORE, AND REPAIR 25. CONTRACTOR SHALL MAINTAIN ALL TEMPORARY GRAVEL ROADWAYS THROUGH DRAWINGS. ANY ADJUSTMENTS TO THE L IT SHALL REQUIRE PRIOR APPROVAL FROM THE ENGINEER
OR REPLACE, IF NECESSARY, TO ENSURE THAT ALL EROSION AND SEDIMENT CONTROL REGRADING AND REPLACEMENT OF GRAVEL AS NECESSARY THROUGHOUT AND OWNER.
MEASURES ARE FUNCTIONING PROPERLY. CONSTRUCTION.
8. ALL FILL MATERIAL SHALL BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 26. ALL TEMPORARY DIVERSION SWALES SHALL BE PROVIDED WITH ROLLED EROSION 6. SELF-INSPECTIONS FOR E&SC MEASURES ARE TO BE PERFORMED AT LEAST ONCE EVERY SEVEN
REFER TO SPECIFICATION SECTION 31 00 01 FOR EXCAVATION AND BACK FILL CONTROL MATTING AS INDICATED ON THE CONTRACT DRAWINGS. CALENDAR DAYS AND WITHIN 24 HOURS OF EVERY RAIN EVEN OF GREATER THAN 1 INCH. ANY
REQUIREMENTS. NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN MEASURES AS DESIGNED. ALL E&SC
27. SEDIMENT-LADEN WATER PUMPED OUT OF EXCAVATED AREAS MUST REMOVE SEDIMENT MEASURES SHALL BE MAINTAINED AS SPECIFIED IN THE CONSTRUCTION DETAILS IN THIS PLAN. A
9. ALL WASTE MATERIALS UNSUITABLE FOR USE AS BACKFILL SHALL BE TAKEN TO AN PRIOR TO DISCHARGING TO RECEIVING BODIES OF WATER USING A FILTER BAG OR AN RAIN GAUGE SHALL BE INSTALLED AT THE PROJECT SITE FOR MONITORING.
APPROVED AND PROPERLY PERMITTED WASTE DISPOSAL AREA. ALTERNATIVE MEASURE APPROVED BY THE ENGINEER. 7. CONTRACTOR SHALL CONDUCT SELF-INSPECTIONS OF THE E&SC MEASURES AND COMPLETE THE
10. CONTRACTOR SHALL PROVIDE TO OWNER AND ENGINEER EROSION AND SEDIMENT 28. WHERE CONCRETE EQUIPMENT WASHING IS REQUIRED, THIS MUST BE DONE IN AN FOLLOWING COMBINED SELF-INSPECTION FORM FOUND ON THE DEMLR WEBSITE SEEDING SCHEDULE
CONTROL DRAWINGS APPROVED BY NC DEMLR FOR ALL OFFSITE DISPOSAL AREAS USED APPROVED "CONCRETE CONTAINMENT AREA". CONTRACTOR SHALL NOT DISCHARGE ANY (HTTP://DEQ.NC.GOV/ABOUT/DIVISIONS/ENERGY-MINERAL-LAND-RESOURCES/EROSION-SEDIMENT-CONTROL/FORMS).
ON THE PROJECT PRIOR TO DISPOSING OF ANY MATERIALS. CONCRETE WASHOUT WATER INTO SEWERS, SURFACE WATER BODIES OR ONTO THE COMPLETE INSPECTION FORMS SHALL BE KEPT ON-SITE AND AVAILABLE FOR INSPECTION AT ALL APPLICATION RATES IN POUNDS/ACRE
GROUND. ALL WASHOUT WATER MUST BE REMOVED FROM THE SITE(S) DAILY. TIMES. IT IS RECOMMENDED A COPY BE KEPT IN A PERMITS BOX.
11. EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REPAIRED OR REPLACED SEED*** PLANTING STRAW TOPDRESSING
IMMEDIATELY AS REQUIRED TO MAINTAIN PERFORMANCE OF MEASURE. MEASURES 29. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL REMAIN IN PLACE UNTIL 8. UPON COMPLETION OF CLEARING AND GRUBBING, CONTRACTOR TO VERIFY APPROVAL OF NCDEQ OF POST-CONSTRUCTION STORMWATER PERMIT BEFORE PROCEEDING TO CONSTRUCTION ACTIVITIES. MIXTURE SEASON LIME* SEED FERTILIZER* MULCH ( /* LB AC) COMMENTS
SHALL BE CLEANED WHEN SEDIMENT VOLUME REACHES '/z OF TOTAL VOLUME OF CONSTRUCTION IS COMPLETE, PERMANENT VEGETATION IS ESTABLISHED ON ALL
MEASURE. REMOVED SEDIMENT SHALL BE DISPOSED OF IN SUCH A MANNER AND DISTURBED AREAS, AND LOCAL AUTHORITIES HAVE GIVEN PERMISSION FOR REMOVAL. 9. ONCE CLEARING AND GRUBBING IS COMPLETE, TOPSOIL SHALL BE STRIPPED AND STOCKPILED
LOCATION AS TO ENSURE FURTHER SEDIMENT TRANSPORT DOES NOT OCCUR. ONSITE IN A LOCATION DESIGNATED BY THE OWNER OR ENGINEER. THE STOCKPILE SHALL HAVE A P FEB 15 - APRIL 30 4000 150 1000 4000 500 OF PREFERRED PLANTING SEASONS ARE
12. CONTRACTOR SHALL PLACE WARNING FENCE AROUND ALL POWER POLES AND WIRES PERIMETER SILT FENCE INSTALLED AS DIRECTED BY THE ENGINEER AND SHALL BE SEEDED WITH SEPT 1 - OCT 31 10-10-10 SEPT 1 - SEPT 30 AND FEB 15 - MARCH
TEMPORARY SEEDING MEASURES. THE E&SC AND SEEDING MEASURES FOR THE STOCKPILE AREA 60 OF NITROGEN 30
LOCATED WITHIN THE LIMITS OF CONSTRUCTION. WARNING FENCE SHALL BE 15, AWAY SHALL BE MAINTAINED FOR THE DURATION OF CONSTRUCTION ACTIVITIES.
FROM POLE OR GUY WIRE IN ALL DIRECTIONS.
13. STAGING AREAS INDICATED ON THE CONTRACT DRAWINGS SHALL BE UTILIZED FOR 10. EARTHWORK EXCAVATION AND FILL OPERATIONS CAN BEGIN ONCE TOPSOIL HAS BEEN REMOVED OVERSEED WITH TYPE P SEED MIXTURE
AND STOCKPILED. ALL EXCESS SOIL RESULTING FROM EARTHWORK OPERATIONS SHALL BE TW ]AN 1-MAY 1 2000 170 750 4000 DURING NEXT PLANTING SEASON
CONTRACTOR AND ENGINEER/OWNER TRAILERS, CONTRACTOR STAGING AND STORAGE REMOVED FROM SITE BY CONTRACTOR. ANY SOILS TAKEN OFFSITE BECOMES THE CONTRACTORS
UNLESS OTHER AREA IS APPROVED BY THE ENGINEER. RESPONSIBILITY, AND SHALL COMPLY WITH ALL REQUIRED STATE AND LOCAL REGULATIONS AND
OVERSEED WITH TYPE P SEED MIXTURE
14. CONSTRUCTION TRUCK TRAFFIC TO AND FROM THE SITE SHALL BE RESTRICTED TO THE PERMITS. TS MAY 1 - AUG 15 2000 40 750 4000 DURING NEXT PLANTING SEASON
MAIN ENTRANCE GATE UNLESS OTHERWISE INDICATED ON THE CONTRACT DRAWINGS 11. TEMPORARY SEEDING MEASURES SHALL BE EMPLOYED AS SOON AS PRACTICABLE ON DISTURBED
AND PERMITTED BY THE OWNER. AREAS BUT IN ANY EVENT WITHIN FOURTEEN (14) DAYS. IF CONSTRUCTION IS TEMPORARILY CEASED TF AUG 15 - DEC 30 2000 120 1,000 4000 50 OF OVERSEED WITH TYPE P SEED MIXTURE
AND EARTH-DISTURBING ACTIVITIES WILL BE RESUMED WITHIN FOURTEEN (14) DAYS, TEMPORARY NITROGEN IN DURING NEXT PLANTING SEASON
15. CONTRACTOR SHALL INITIATE STABILIZATION MEASURES AS SOON AS PRACTICABLE ON STABILIZATION MEASURES ARE NOT NEEDED. DISTURBED SLOPES STEEPER THAN 3:1 SHALL BE MARCH
STOCKPILES AND IN PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITIES HAVE TEMPORARILY SEEDED WITHIN SEVEN (7) DAYS UNLESS SLOPE LENGTH IS TEN (10) FEET OR LESS
TEMPORARILY OR PERMANENTLY CEASED, BUT IN NO CASE MORE THAN 7 DAYS AFTER AND NOT STEEPER THAN 2:1. DISTURBED SLOPES 3:1 OR FLATTER SHALL BE TEMPORARILY SEEDED
THE CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARILY OR WITHIN FOURTEEN (14) DAYS UNLESS SLOPE LENGTH IS GREATER THAN 50 FEET. SLOPES WITH A * LIME SHALL BE APPLIED AT A MINIMUM OF 2 TONS PER ACRE WITH 3 TONS PER ACRE IN CLAY SOILS.
PERMANENTLY CEASED. THIS REQUIREMENT DOES NOT APPLY IN THE FOLLOWING HEIGHT EXCEEDING EIGHT (8) FEET SHALL BE STABILIZED WITH SYNTHETIC OR VEGETATIVE MATS IN INSTANCES: APPLICATION RATES AND/OR CHEMICAL ANALYSIS SHALL BE CONFIRMED OR ESTABLISHED BY SOIL TEST.
ADDITION TO HYDROSEEDING.
A)WHERE THE INITIATION OF STABILIZATION MEASURES BY THE 7TH DAY AFTER 12. ADDITIONAL E&SC MEASURES SHALL BE INSTALLED AS NECESSARY, AND CONTRACTOR SHALL ** FERTILIZER SHALL BE 10-10-10 ANALYSIS.
CONSTRUCTION ACTIVITY TEMPORARILY OR PERMANENTLY CEASED IS RELOCATE AND REPLACE MEASURES AS CONSTRUCTION ACTIVITIES REQUIRE.
PRECLUDED BY SNOW COVER OR FROZEN GROUND CONDITIONS, STABILIZATION *** SEED MIXTURES TO BE USED ON THE PROJECT SHALL BE AS FOLLOWS:
MEASURES SHALL BE INITIATED AS SOON AS PRACTICABLE; 13. ALL PIPE WORK SHALL BE INSTALLED IN ACCORDANCE WITH STANDARD CONSTRUCTION
B)WHERE CONSTRUCTION ACTIVITY ON A PORTION OF THE SITE IS TEMPORARILY TECHNIQUES. ONLY THE LENGTH OF TRENCH IN WHICH PIPE CAN BE INSTALLED IN ONE DAYS TIME P - PERMANENT SEEDING (LB/AC)
CEASED, AND EARTH-DISTURBING ACTIVITIES WILL BE RESUMED WITHIN SHALL BE OPEN AT ANY TIME, WITH SPOIL MATERIAL PLACED ON THE UPHILL SIDE OF THE TRENCH. 150 KY-31 TALL FESCUE
FOURTEEN (14) DAYS, TEMPORARY STABILIZATION MEASURES NEED NOT BE PIPING SHALL BE CAPPED AT END OF EACH DAYS WORK TO PREVENT SEDIMENT FROM ENTERING. TF - TEMPORARY FALL SEEDING (LB/AC)
INITIATED ON THAT PORTION OF THE SITE. TRENCH SHALL BE BACKFILLED AT END OF EACH DAYS WORK AND DISTURBED AREA SEEDED WITH 120 RYE (GRAIN)
TEMPORARY SEEDING MEASURES IF APPROPRIATE.
16. ALL DISTURBED AREAS SHALL DRAIN TO APPROVED EROSION AND SEDIMENT CONTROL TW - TEMPORARY WINTER SEEDING (LB/AC)
MEASURES AT ALL TIMES DURING LAND DISTURBANCE ACTIVITIES AND UNTIL FINAL 14. ONCE ALL EARTHWORK AND CONSTRUCTION ACTIVITIES ARE COMPLETE, FINAL GRADING MAY BEGIN. 120 RYE GRAIN
STABILIZATION IS ACHIEVED. SEDIMENT-LADEN GROUNDWATER ENCOUNTERED DURING CONTRACTOR TO INSTALL PHASE 2 E&SC MEASURES TS - TEMPORARY SUMMER SEEDING (LB/AC)
TRENCHING, BORING, OR OTHER ACTIVITIES SHALL BE PUMPED INTO A FILTER BAG OR AN 15. UPON COMPLETION OF FINAL GRADING, PERMANENT SEEDING SHALL BE APPLIED ON ALL DISTURBED 40 GERMAN PEARL OR BROWN TOP MILLET
ALTERNATIVE MEASURE APPROVED BY THE ENGINEER PRIOR TO BEING DISCHARGED AREAS. VEGETATIVE GROUND COVER SHALL BE APPLIED ON ALL DISTURBED AREAS AS OUTLINED IN
INTO A STREAM, POND, SWALE, OR CATCH BASIN. NOTE 11, ABOVE. SEEDING SHALL BE APPLIED, AND REAPPLIED, TO ALL BARE SPOTS AS NEEDED.
17. SOIL STOCKPILES MUST BE LOCATED A MINIMUM OF 50-FEET FROM STORM DRAINS AND 16. UPON COMPLETION OF FINAL GRADING, CONTRACTOR TO INSTALL PERMANENT DIVERSION SWALE AS
INLETS, STREAMS, OR WETLANDS AREAS UNLESS NO REASONABLE ALTERNATIVES ARE SHOWN ON SHEET C25
AVAILABLE.
18. SOIL STOCKPILE AND LAYDOWN AREAS SHALL HAVE PERIMETER EROSION AND SEDIMENT 17. PHASE 2 E&SC MEASURES MAY BE REMOVED ONCE FINAL GRADING IS COMPLETE, SITE IS STABILIZED,
CONTROL MEASURES AND TEMPORARY OR PERMANENT STABILIZATION MEASURES PERMANENT GROUND COVER HAS BEEN ESTABLISHED, AND APPROVAL FROM OWNER OR ENGINEER
INSTALLED AS SOON AS POSSIBLE AND AT COMPLETION OF STOCKPILING AND LAYDOWN
0 HAS BEEN RECEIVED.
o ACTIVITIES. STOCKPILE SIDE SLOPES SHALL NOT EXCEED 3HAV UNLESS APPROVED BY 18. WHEN THE PROJECT IS COMPLETE, THE PERMITTEES SHALL CONTACT DEMLR TO CLOSE OUT THE
N ENGINEER. TOP OF STOCKPILE SHALL BE GRADED WITH A MINIMUM 5% SLOPE TO INSURE E&SC PLAN. AFTER DEMLR INFORMS THE PERMITTEE OF THE PROJECT CLOSE OUT, VIA INSPECTION
N PROPER DRAINAGE. SEE SPECIFICATION SECTION 31 25 00 FOR ADDITIONAL STOCKPILE REPORT, THE PERMITTEE SHALL VISIT DEQ.NC.GOV/NCG01 TO SUBMIT AN ELECTRONIC NOTICE OF
N REQUIREMENTS.
TERMINATION (E-NOT).
19. ALL EARTHEN STOCKPILES AND SURCHARGE MOUNDS GREATER THAN 10, IN HEIGHT OR
o HAVING SIDE SLOPES GREATER THAN 3:1 MUST BE ENCAPSULATED BY A DOUBLE ROW
Cn OF SILT FENCE. THE FIRST ROW OF SILT FENCE SHALL BE SPACED NO GREATER THAN 10,
z FROM THE TOE OF THE MOUND. THE SECOND ROW OF SILT FENCE SHALL BE SPACED 5'
Q OUTSIDE OF THE FIRST ROW. IN THE EVENT THE SITE DOES NOT HAVE PERIMETER
Co
EROSION AND SEDIMENT CONTROLS INSTALLED, THEN DOUBLE ROW SILT FENCING IS
REQUIRED REGARDLESS OF THE STOCKPILE OR SURCHARGE HEIGHT.
Cn 20. FABRIC, SAND, OR SCREENINGS SHALL BE PLACED UNDER ANY STOCKPILE OF SOIL ON
PAVED SURFACES. ONSITE TEMPORARY SOIL STOCKPILES SHALL BE LOCATED WITHIN
J THE LIMITS OF DISTURBANCE. TEMPORARY STOCKPILES SHALL HAVE TEMPORARY SILT
FENCE INSTALLED AT THE TOE OF SLOPE AND BE SEEDED AND MULCHED.
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ENGINEER: M. PARKER UNION COUNTY DATE: FEBRUARY 2024
DESIGNED BY: Z. KEMAK O��N CAR��i HAZEN NO.:
30831-070
Q�oFEss,Qr�yae D. NORTH CAROLINA EROSION AND SEDIMENT CONTROL
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CC) DRAWN BY: T. BARN ES Mich el P SEAIPar r _ CIVIL CONTRACT NO.:
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U Co CHECKED BY: J. STRUVE 0 FN 5-0 00' HAZEN AND SAWYER NOTES AND CONSTRUCTION SEQUENCE DRAWING
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M w by 9101 SOUTHERN PINE BLVD, SUITE 250 GRASSY BRANCH WRF EXPANSION
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a MEASURE 1"THEN DRAWING CHARLOTTE, NORTH CAROLINA 28273
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IS NOT TO FULL SCALE LICENSE NO. : C-0381 C20
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