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HomeMy WebLinkAboutSW6230401_Plansheet - C3.3 Notes_20230509 \\ tllll illf lllil/ /� /� EROSION CONTROL MEASURE - INITIAL PHASE: �� RR O A R0 NATURE AND PURPOSE OF CONSTRUCTION 1. ENSURE ALL APPROVALS HAVE BEEN OBTAINED PRIORTO ANY LAND DISTURBANCE. .•O�� .) THE PURPOSE OF THIS PROJECT IS TO PROVIDE CONSTRUCTION OF FITNESS FACILITY THAT INCLUDES 2. CONDUCT ON-SITE PRE-CONSTRUCTION MEETING WITH THE CONTRACTOR, OWNER, ENGINEER AND R 35 BUILDING, PAVED AND GRAVEL PARKING AREAS, WATER LINE AND SEPTIC SYSTEM CONSTRUCTION. THE EROSION CONTROL MAINTENANCE SCHEDULE CONSTRUCTION MANAGER TO REVIEW THE PROJECT AND EROSION CONTROL SEQUENCES. PROJECT WILL INVOLVE CONSTRUCTION OF CONVEYANCE SWALE FOR STORMWATER DISCHARGE AND ",7 �.�R� .��:•' R INFILTRATION BASIN 3 CONARETRACTOR TO LOCATE ALL EXISTING UTILITIES WITHIN AND IMMEDIATELY ADJACENT TO THE PROJECT N 0 00 U R THE TOTAL DISTURBED AREA IS 2.21 ACRES. LAND GRADING: PERIODICALLY CHECK ALL GRADED AREAS AND THE SUPPORTING EROSION AND 4. INSTALL CONSTRUCTION ENTRANCE AT LOCATION SHOWN ON THE PLAN -OFF OF EDGE OF EXISTING SEDIMENTATION CONTROL PRACTICES, ESPECIALLYAFTER HEAVY RAINFALLS. PROMPTLY REMOVEALL PAVEMENT ON NC 87. O O PERMANENT VEGETATION SHALL BE ESTABLISHED QUICKLY UPON COMPLETION OF THE SITE GRADING AND SEDIMENT FROM DIVERSIONS AND OTHER WATER-DISPOSAL PRACTICES. IF WASHOUT OR BREAKS LL M E INFRASTRUCTURES IN ORDER TO REDUCE THE AMOUNT OF SEDIMENT RUNOFF FROM THE SITE. OCCUR, REPAIR THEM IMMEDIATELY. PROMPT MAINTENANCE OF SMALL ERODED AREAS BEFORE THEY 5. FLAG LIMITS OF ALL DISTURBED AREA AS SHOWN ON THE PLANS FOR INSTALLATION OF PERIMETER I- I� 0 BECOME SIGNIFICANT GULLIES IS AN ESSENTIAL PART OF AN EFFECTIVE EROSION AND EROSION CONTROL DEVICES- SILT FENCE AND SILT FENCE OUTLETS AS SHOWN ON THE PLANS. Or14 U SITE IS NOT IN FLOOD PLAN. SEDIMENTATION CONTROL PLAN. z U M 6. INSTALL TEMPORARY STOCKPILE AREA WITH SILT FENCE AND CONSTRUCTION STAGING AREA. NO WETLANDS WERE ENCOUNTERED ON THIS SITE TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT: MAINTAIN THE GRAVEL PAD IN A CONDITION TO J -0 (V M N �.o 7. INSTALL OFF-SITE SILT FENCE AS SHOWN ON THE PLANS. PER JARROD E. HILLIARD, WITH HILLIARD ENGINEERING, PLLC PREVENT MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC ZO 0 U 0000 , 00 TOP DRESSING WITH 2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP 8. CHECK WEATHER FORECAST TO ENSURE NO RAIN EVENTS ARE FORECAST TO OCCUR WITHIN A 72 HOUR c: ' O SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVEALL OBJECTIONABLE MATERIALS PERIOD. DO NOT BEGIN ANY CONSTRUCTION OF CLEAN WATER DIVERSION SWALES UNLESS A CLEAR 72 cc � N SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS. HOUR FORECAST IS PREDICTED AND IMMEDIATELY CEASE ALL CONSTRUCTION OF SWALES AND W 0 M NOTE. IMMEDIATELY STABILIZE SHOULD RAIN EVENTS BE PREDICTED. `- '� U � - N OUTLET STABILIZATION STRUCTURE: INSPECT RIP RAP OUTLET STRUCTURES AFTER HEAVY RAINS TO W L cc = cn SEE IF ANY EROSION AROUND OR BELOW THE RIP RAP HAS TAKEN PLACE OR IF STONES HAVE BEEN 9. "EROSION AND SEDIMENT CONTROL(E&SC) PERMIT AND A CERTIFICATE OF COVERAGE (COC) MUST BE 0 Ln c: DISLODGED. IMMEDIATELY MAKE ALL NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. OBTAINED BEFORE ANY LAND DISTURBING ACTIVITIES OCCUR. A COPY OF THE E&SC PERMIT,THE COC, 0 _0 m UU PURSUANT TO G.S. 133-A57(2), THE ANGLE FOR GRADED SLOPES AND FILLS SHALL BE NO GREATER THAN AND A HARD COPY OF THE PLAN MUST BE KEPT ON SITE, PREFERABLY IN A PERMITS BOX, AND THEANGLE THAT CAN BE RETAINED BY VEGETATIVE COVER OR OTHER ADEQUATE EROSION-CONTROL ACCESSIBLE DURING INSPECTION."THE COC CAN BE OBTAINED BY FILLING OUT THE ELECTRONIC NOTICE ILL (V 0 cc DROP INLET PROTECTION (TEMPORARY): INSPECT THE FABRIC BARRIER AFTER EACH RAIN AND MAKE � � x 0 .cc z DEVICES OR STRUCTURES. REPAIRS AS NEEDED. REMOVE SEDIMENT FROM THE POOL AREA AS NECESSARY TO PROVIDE OF INTENT(E-NOI) FORM ATDEQ.NC.GOV/NCG01. PLEASE NOTE,THE E-NOI FORM MAY ONLY BE FILLED N 0 IN ANY EVENT, SLOPES LEFT EXPOSED WILL, WITHIN 7 OR 14 CALENDAR DAYS OF COMPLETION OFANY ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. TAKE CARE NOT TO DAMAGE OR UNDERCUT THE OUT ONCE THE PLANS HAVE BEEN APPROVED. - CO PHASE OF GRADING, BE PLANTED OR OTHERWISE PROVIDED WITH TEMPORARY GROUND COVER, DEVICES, FABRIC DURING SEDIMENT REMOVAL. WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN 10. WITHIN 14 CALENDER DAYS OF COMPLETION OF ANY PHASE OF GRADING GROUND COVER SHALL BE z 0 OR STRUCTURES SUFFICIENT TO RESTRAIN EROSION. PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ADEQUATELY STABILIZED, REMOVE ALL MATERIALS AND ANY UNSTABLE SEDIMENT AND DISPOSE OF PROVIDED ON EXPOSED SLOPES AND PERMANENT GROUND COVER SHALL BE PROVIDED FOR ALL cc ALL DISTURBED AREAS WITHIN 15 WORKING DAYS OR NO MORE THAN 90 CALENDER DAYS (WHICHEVER IS THEM PROPERLY. BRING THE DISTURBED AREA TO THE GRADE OF THE DROP INLET AND SMOOTH AND I SHORTER FOLLOWING COMPLETION OF CONSTRUCTION. DISTURBED AREAS WITHIN 14 CALENDER DAYS OR 60 CALENDER DAYS (WHICHEVER IS SHORTER) � rl COMPACT IT. APPROPRIATELY BAREAREASAROUND THE INLET. FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT. � M I PURSUANT TO G.S. 113A-57(3), PROVISIONS FOR PERMANENT GROUNDCOVER SUFFICIENT TO RESTRAIN SEDIMENT FENCE (SILT FENCE): INSPECT SEDIMENT FENCES AT LEAST ONCE WEEK AND AFTER EACH 11. THE CONTRACTOR SHALL CONDUCT SELF-INSPECTIONS OF THE EROSION AND SEDIMENTATION CONTROL C EROSION MUST BEACCOMPLISHED FOR ALL DISTURBED AREAS WITHIN 15 CALENDAR DAYS OR 60 CALENDAR RAINFALL. MAKEANY REQUIRED REPAIRS IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS NECESSARY MEASURES AND COMPLETE THE FOLLOWING COMBINED SELF-INSPECTION FORM FOUND ON THE DEMLR I DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT. TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE WEBSITE : FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. REMOVE ALL FENCING https://files.nc.gov/ncdeq/Energy%20Mineral%20and%2OLand%2OResources/Stormwater I MATERIALSAND UNSTABLE SEDIMENT DEPOSITS AND BRING THEAREA TO GRADEAND STABILIZE IT /NPDES%20General%2OPermits/DEMLR-CSW-Monitoring-Form-Rev-August-8-2019.pdf I �� AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. TWELVE MONTHS OF COMPLETE INSPECTION FORMS SHALL BE KEPT ON-SITE AND AVAILABLE FOR NOTE. INSPECTION AT ALL TIMES. IT IS RECOMMENDED A COPY BE KEPT IN DUST CONTROL: MAINTAIN DUST CONTROL MEASURES THROUGH DRY WEATHER PERIODS UNTIL ALL A PERMITS BOX. (GS 113A-54.1 (E), 15ANCAC 0413.0131, NCG01 PART III SECTIONS A AND B). DISTURBED AREAS HAVE BEEN STABILIZED. 12. CLEAR AND GRUB SITE (WHERE REQUIRED) AND LEGALLY DISPOSE OF ALL DEBRIS OFF SITE. \ EFFECTIVE OCTOBER 1, 2010, PERSONS CONDUCTING LAND-DISTURBING ACTIVITIES LARGER THAN ONE ACRE MUST INSPECT THEIR PROJECT AFTER EACH PHASE OF THE PROJECT AND DOCUMENT TREE PRESERVATION AND PROTECTION: REPAIR ANY DAMAGE TO PROTECTED TREE AS FOLLOW 13. "SELF-INSPECTIONS FOR EROSION AND SEDIMENTATION CONTROL MEASURES ARE TO BE PERFORMED THE INSPECTION IN WRITING. KEEP WRITTEN INSPECTION REPORTS ON CONSTRUCTION SITE IN WHICH IT SHOULD DAMAGE TO CROWN, TRUNK, OR ROOT SYSTEM OCCUR. AT LEAST ONCE EVERY SEVEN CALENDAR DAYS AND WITHIN 24 HOURS OF EVERY RAIN EVENT OF �I S GREATER THAN 1 INCH. ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN MEASURES SHOULD BE READILYAVAILABLE FOR EROSION CONTROL INSPECTOR'S REVIEW WHEN VISITING SITE. � W (REFERENCE NCDENR MANUAL, PAGE 6.05.3 AND 6.05.4) AS DESIGNED. ALL ESC MEASURES SHALL BE MAINTAINED AS SPECIFIED IN THE CONSTRUCTION DETAILS I ON THIS PLAN. A RAIN GAUGE SHALL BE INSTALLED AT THE PROJECT SITE FOR MONITORING. SELF-INSPECTION REPORT FORMS AREA VAILABLE AS AN EXCEL SPREADSHEET FROM LAND QUALITY WEB � \ WITH SITE: www.dlr.enr.state.nc.us/pages/sedimentation new.html REPAIR ROOTS BY CUTTING OFF THE DAMAGED AREAS AND PAINTING THEM TREE PAINT. I SPREAD PEAT MOSS OR MOIST TOPSOIL OVER EXPOSED ROOTS. REPAIR DAMAGE TO BARK BY TRIMMING AROUND THE DAMAGED AREAS AS SHOWN IN FIGURE CONSTRUCTION SEQUENCE & EROSION CONTROL MEASURES -CONSTRUCTION PHASE: I� SEEDING SCHEDULE 6.05b, TAPER THE CUT TO PROVIDE DRAINAGE, AND PAINT WITH TREE PAINT. NOTE CUTOFF ALL DAMAGED TREE LIMBS ABOVE THE TREE COLLAR AT THE TRUNK OR MAIN BRANCH. 1. INSTALL CONSTRUCTION ENTRANCE, CONCRETE WASHOUT,TEMPORARY STOCKPILE AREA I TEMPORARY SEED MIX SHALL BE USED FOR ALL AREAS EXPOSED GREATER THAN 21 USE THREE SEPARATED CUTS AS SHOWN IN FIGURE 6.05c TO AVOID PEELING BARK FROM WITH SILT FENCE,AND CONSTRUCTION STAGING AREA. CALENDAR DAYS AND SUBJECT TO FURTHER DISTURBANCE. PERMANENT SEED MIX SHALL HEALTHY AREAS OF THE TREE. BE CHECKED FOR ADEQUACY ON JULY 15.AN ADEQUATE COVER SHALL HAVE 50 SPRIGS 2. CHECK WEATHER FORECAST TO ENSURE NO RAIN EVENTS ARE FORECAST TO OCCUR WITHIN OF BERMUDA OR SERICEA LESPEDEZA PER ONE SQUARE FOOT. A 72 HOUR PERIOD. DO NOT BEGIN ANY CONSTRUCTION OF CLEAN WATER DIVERSION SWALES UNLESS A CLEAR 72 HOUR FORECAST IS PREDICTED AND IMMEDIATELY CEASE ALL TEMPORARY SUMMER SEED MIX (TO BE FOLLOWED BY PERMANENT FALL SEED MIX) CONSTRUCTION OF SWALES AND IMMEDIATELY STABILZE SHOULD RAIN EVENTS BE PREDICTED. SPECIES RATE (LB./ACRE) MARCH 1 - SEPT. 1 GERMAN MILLET 120 3. CONSTRUCT CLEAN WATER DIVERSION SWALE 01A, INCLUDING RIP RAP OUTLET APRON, TEMPORARY WINTER SEED MIX (TO BE FOLLOWED BY PERMANENT SPRING SEED MIX) GROUND STABILIZATION REQUIREMENTS AND IMMEDIATELY STABILIZE WITH SOD AND EROSION CONTROL MATTING AS SPECIFIED AT SPECIES RATE (LB./ACRE) CONTRACTOR SHALL BE REQUIRED TO ESTABLISH GROUND THE END OF EACH WORKING DAY FOR THE COMPLETED AREAS. DO NOT BEGIN ANY SEPT. 1 -MARCH 1 WINTER RYE (GRAIN) 200 STABILIZATION AS PER FOLLOWING CHART. ADDITIONAL WORK ON THE SWALES UNLESS A CLEAR 72 HOUR FORECAST CONTINUES. KOBE LESPEDEZA 120 SITEAREA STABILIZATION STABILIZATION TIME APPLICABLE 4. CONSTRUCT CLEAN WATER DIVERSION SWALE 0113, INCLUDING RIP RAP OUTLET APRON, PERMANENT SPRING SEED MIX DESCRIPTION TIME FRAME FRAME EXCEPTIONS THIS PROJECT AND IMMEDIATELY STABILIZE WITH SOD AND EROSION CONTROL MATTING AS SPECIFIED AT PERIMETER DIKES, 7 DAYS NONE THE END OF EACH WORKING DAY FOR THE COMPLETED AREAS. DO NOT BEGIN ANY SPECIES RATE (LB./ACRE) SWALES, DITCHES AND YES ADDITIONAL WORK ON THE SWALES UNLESS A CLEAR 72 HOUR FORECAST CONTINUES. MARCH 1 -JULY 1 PENSICOLA BAHIAGRASS 60 SLOPES 5. ONCE BOTH CLEAN WATER DIVERSION SWALES ARE INSTALLED AND COMPLETED COMMON BERMUDA 25 HIGH QUALITY WATER 7 DAYS NONE STABILIZED, INSTALL SEDIMENT TRAP,TEMPORARY DIVERSION SWALE 01C,ALL ONSITE SILT SERICEA LESPEDEZA 30 (HQW)ZONES NO FENCE AND SILT FENCE OUTLETS. CLEAR AND GRUB AS NECESSARY. PERMANENT FAIL SEED MIX FLATTER THAN 4:1 SLOPES STEEPER 7 DAYS IF SLOPES ARE 10' OR LESS 6. INSTALL WATTLES, SILT FENCE,AND SILT FENCE OUTLETS DOWNSTREAM OF PROPOSED SPECIES RATE (LB./ACRE) THAN 3:1 IN LENGTH AND ARE NOT DRIVEWAY CU LVERT. SEPT. 1 -NOV. 1 COMMON BERMUDA 30 STEEPER THAN 2:1 14 DAYS NO SERICEA LESPEDEZA (UNSCARIFIED) 30 AREALLOWED 7. INSTALL DRIVEWAY CULVERT AND ENDWALLS INCLUDING ENDWALL GRADING. KOBE LESPEDEZA 10 SLOPES 3:1 OR 14 DAYS 7 DAYS FOR SLOPES GREATER SOIL AMENDMENTS FLATTER THAN 50 FEET IN LENGTH YES 8. IMMEDIATELY STABILIZE ALL DISTURBED AREAS WITH CONTRACTORS BLEND SEED MIX AND EXELSIOR OR EQUIVALENT EROSION CONTROL MATTING. LU TO BE INCORPORATED INTO THE TOP 3 INCHES OF SOIL IN AREAS WITH SLOPES 2:1 OR FLATTER ALL OTHER AREAS 14 DAYS NONE APPLYFERTILIZER (10-10-10)ATA RATE OF 1000 LB/ACRE WITH SLOPES (EXCEPT FOR PERIMETER YES 9. COMPLETE CONSTRUCTION OF SITE GRADING, PARKING AREAS, BUILDING, RETAINING APPLY LIME(GROUND AGRICULTURAL LIMESTONE)ATA RATE OF 4000 LB/ACRE FLATTER THAN 4:1 AND HQWZONES) WALLS, STORM WATER MANAGEMENT AREAS, AND SEPTIC AREA. APPLY SUPERPHOSPHATE (0-49-0)ATA RATE OF 200 LB/ACRE TYPICAL GROUND COVER STABILIZATION TYPES- GRASS REQUIRED FOR PERMANENT SEED MIX ONLY AND OR SOD, WHEAT STRAW, MULCH, BIODEGRADABLE 10. REMOVE AND REPLACE SILT FENCE AND SILT FENCE OUTLETS AS REQUIRED NEAR THE Q STRAW MATTING, SYNTHETIC MATTING, ETC. SOUTHEAST AREA OF THE CONSTRUCTION ENTRANCE ONCE GRADING OCCURS IN THAT N MULCH AREA. INI� APPLY4,000 LB/ACRE GRAIN STRAWOR EQUIVALENT COVER. Q ANCHOR MULCH WITH ROVING, NETTING OR BY TACKING WITH ASPHALT EMULSION ATA RATE OF 400 GAL./ACRE MAINTENANCE SEED BED PREPARATION z CONSTRUCTION SEQUENCE & EROSION CONTROL MEASURES- FINAL PHASE: MINIMUM OF 1"OF RAINFALL A WEEK(IF NOT SUPPLIED NATURALLY, CONTRACTOR ) 1. RIP THE ENTIRE AREA TO 6"DEPTH. O _ z SHALL SUPPLY THE REMAINING AMOUNT UNTIL GROUND COVER HAS BEEN ESTABLISHED). 1. UPON COMPLETING ALL SITE IMPROVEMENTS AND FINAL GRADING, STABILIZE ALL 2. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE DISTURBED AREAS PER LANDSCAPE PLAN. WATER AND MAINTAIN ALL LANDSCAPED U J WATER REASONABLY SMOOTH AND UNIFORM. AREAS TO ENSURE PROPER GROUND COVERAGE PRIOR TO FINAL APPROVAL i REFERTILIZE IN THE SECOND YEAR UNLESS THE GROWTH IS FULLYADEQUATE. 3. APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE IN ACCORDANCE 2. PERIMETER MEASURES, SILT FENCE AND TEMPORARY DIVERSION MUST BE LEFT z W Q MOW WHEN THEAVERAGE PLANT HEIGHT EXCEEDS 6 INCHES. WITH "SEEDING SCHEDULE"AND MIX WITH SOIL. INPLACE UNTIL ALL UPLAND AREAS ARE STABILIZED WITH PERMANENT VEGETATION. O V RESEED, FERTILIZE AND MULCH DAMAGED AREAS IMMEDIATELY. 4. CONTINUE TILLAGE UNTIL A WELL-PULVERIZED, FIRM, REASONABLY UNIFORM SEEDBED 3.SEE SEEDING SCHEDULE PROVIDED IN EROSION CONTROL DETAIL. IS PREPARED 4 TO 61NCHES DEEP. U V 5. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING 4. AFTER SITE IS PERMANENTLY STABILIZED,REMOVE ALL TEMPORARY EROSION x O EQUIPMENT OR CULTIPACKAFTER SEEDING. SEED ACCORDING TO "SEEDING SCHEDULE." CONTROL MEASURES AND PROVIDE PERMANENT SEEDING WHERE TEMPORARY MEASURES HAVE BEEN REMOVED AND GROUND COVER IS NOT ADEQUATE. SEDIMENT O Z Z 6. MULCH IN ACCORDANCE WITH "SEEDING SCHEDULE"IMMEDIA TEL Y AFTER SEEDING. BASINS MAY NOT BE REMOVED OR CONVERTED TO PERMANENT BMPS UNTIL ALL _ 7. INSPECT ALL SEEDING FOR COMPLIANCE WITH THE REQUIREMENTS OF THE "SEEDING UPLAND AREAS ARE PERMANENTLY STABILIZED. (GS 113A-57(3). 15A NCAC 04B. 0113) L J � SCHEDULE MAKE NECESSARY REPAIRS AND RESEED WITHIN THE PLANTING SEASON, Q LU IF POSSIBLE, OR THE DAMAGED AREA SHALL BE REESTABLISHED FOLLOWING THE ORIGINAL 5. WHEN THE PROJECT IS COMPLETE,THE PERMITTEE SHALL CONTACT DEMLR TO O LIME, FERTILIZER, AND SEEDING REQUIREMENTS. CLOSE OUT THE E&SC PLAN. AFTER DEMLR INFORMS THE PERMITTEE OF THE PROJECT Q CLOSE OUT, VIA INSPECTION REPORT,THE PERMITTEE SHALL VISIT DEQ.NC.GOV/NCG01 LU U TO SUBMIT AN ELECTRONIC NOTICE OF TERMINATION (e-NOT). A$100 ANNUAL GENERAL PERMIT FEE WILL BE CHARGED UNTIL THE e-NOT HAS BEEN FILLED OUT. DESIGNED BY. JEH DRAWN BY. NO. REVISION DESCRIPTION: DATE: APPROVED BY. JEH � Know what's b610W Call before you dig. 1 SHEET. ® Dial 811 2 Or Call 800-632-4949 C3 . 3 3 4 CIVIL