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HomeMy WebLinkAbout20200111 Ver 1_2020-03-12 Rev 5-8 Sealed - Sh C2dot3_20200313n nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn n n nnnnnnn n n n n n n n n n n n n n n n n n n n n n n n nnnnnnnnnnnnnnn nnnnnnnnnnnnnnnnnnnnnnnnnnnnn TEMP. SILT FENCE (SEE DETAIL 11, SH. C5.7)EROSION CONTROL LEGENDnnTEMP. SUPER SILT FENCE (SEE DETAIL 3 , SH. C5.6)nnTEMP. TREE PROTECTION FENCE (SEE DETAIL 8, SH. C5.7)TEMP. SUPER SILT FENCE WITH TREE PROTECTION(SEE DETAIL 3 , SH. C5.6)nnTEMP. SILT FENCE OUTLET W/ OPTIONAL SEDIMENT TRAP(SEE DETAIL 4, SH. C5.6)PERM. DIVERSION SWALETEMP. DIVERSION SWALE (SEE DETAIL 12, SH. C5.7)TEMP. BLOCK AND GRAVEL INLET PROTECTION(SEE DETAIL 15, SH. C5.8)TEMP. FENCE AND GRAVEL INLET PROTECTION(SEE DETAIL 14, SH. C5.8)TEMP. HORSESHOE INLET PROTECTION(SEE DETAIL 10, SH. C5.7)TEMP. RIP RAP CHECK DAM (SEE DETAIL 16, SH. C5.8)LIMITS OF DISTURBANCE (14.48 AC)1 INCH = FEETGRAPHIC SCALE400204080120400FINAL DESIGN DRAWING- FOR REVIEW PURPOSES ONLY -NOT RELEASED FORCONSTRUCTION5400 Trinity RoadSuite 107Raleigh, NC 27607919.378.9111NC Firm License # C-0459mcgillassociates.comDESCRIPTIONP:\2019\19.01906-MoseleyArc-Johnston Co PSC\Drawings\Sheets\C2.3 Erosion Control Phase 1.dwg 3/12/2020 5:28 PM SPENCER MEEKINS DATEREVISIONSDATE:MAR. 12, 202019.01906NO:C2.3 JOHNSTON COUNTY DETENTION CENTER JOHNSTON COUNTY, NC DHSR # J-338 RAJ/JSD FID. NO. 190449SEDIMENTATION ANDEROSION CONTROLPHASE 1 CONSTRUCTION SEQUENCE1.CONTRACTOR SHALL HAVE THE EROSION CONTROL PERMIT FROM NCDEQ, DEMLR RALEIGHREGIONAL OFFICE, CERTIFICATE OF COVERAGE (COC), AND APPROVED PLANS ON SITE.CONTACT THE DELMR RALEIGH REGIONAL OFFICE AT LEAST 48 HOURS PRIOR TO COMMENCINGANY LAND-DISTURBING ACTIVITY AT (919) 791-4200 PRIOR TO WORK COMMENCING. APRE-CONSTRUCTION MEETING WITH THE OWNER, ENGINEER AND NCDEQ SHALL BE HELDPRIOR TO THE START OF ANY WORK.2.FLAG WORK LIMITS BEFORE CONSTRUCTION ACTIVITY BEGINS. THE CONTRACTOR SHALL NOTPERFORM ANY CLEARING BEYOND THE LIMITS SHOWN ON THE PLANS. ALL WORK SHALL BEPERFORMED WITHIN THE PROPERTY'S BOUNDARY OR NCDOT RIGHT OF WAY.3.THE CONTRACTOR SHALL NOT DISTURB ANY AREA FOR LAYDOWN/STAGING THAT IS NOTWITHIN THE DISTURBED LIMITS. NOTIFY THE ENGINEER AND NCDEQ IF ADDITIONAL AREAS ARENEEDED OUTSIDE OF THE DISTURBED LIMITS (INCLUDING DISTURBANCE FOR ADDITIONALEROSION CONTROL MEASURES). THE CONTRACTOR WILL BE RESPONSIBLE FOR INSTALLINGMEASURES AS NECESSARY TO PREVENT TRACKING DIRT AND MUD ONTO PUBLIC ROADWAYS,AND ADDITIONAL EROSION CONTROL MEASURES TO PREVENT SEDIMENT FROM RUNNING OFFTHE SITE ONTO ROADWAYS OR ADJACENT PROPERTIES.4.NCDOT ROAD LANE CLOSING AND SHOULDER WORK TRAFFIC CONTROL DEVICES SHALL BE INPLACE AS REQUIRED BY NCDOT. CONTRACTOR SHALL BE FAMILIAR WITH THE NCDOTMAINTENANCE/UTILITY TRAFFIC CONTROL GUIDELINES AND FOLLOW ALL NECESSARYPROCEDURES.5.INSTALL SILT FENCE AND OTHER PERIMETER EROSION CONTROL MEASURES (I.E.CONSTRUCTION ENTRANCE) AS SHOWN ON THE THIS SHEET, CLEARING ONLY WHAT ISNECESSARY FOR INSTALLATION. DO NOT INSTALL SILT FENCE ACROSS CHANNELS OR AREASOF CONCENTRATED FLOWS.6.ONCE PERIMETER EROSION CONTROL MEASURES ARE INSTALLED, PROCEED WITH SKIMMERSEDIMENT BASIN #1 (SCM #1) CONSTRUCTION, REFERENCING SCM #1 ON SHEET C2.2. INADDITION TO CONSTRUCTION OF THE BASIN, THE OUTLET STRUCTURE OF THE BASIN WITH THERESPECTIVE STORM DRAINAGE NETWORK AND PERMANENT SWALE SHALL BE CONSTRUCTED.SKIMMER SHALL BE INSTALLED UTILIZING THE ORFICE OPENING AS SHOWN ON SHEET C2.2.7.PROCEED WITH ROUGH GRADING OPERATIONS, ENSURING TO STABILIZE ALL COMPLETEDSLOPES IN ACCORDANCE WITH THE GROUND STABILIZATION TABLE FOR GROUNDCOVER ANDTHE SEEDING SPECIFICATIONS ON SHEET C5.6.8.ONCE ALL EROSION CONTROL MEASURES AND SKIMMER SEDIMENTATION BASIN #1 HAS BEENESTABLISHED, CONTRACTOR MAY PROCEED TO PHASE 2 EROSION CONTROL.9.THE CONTRACTOR SHALL CONDUCT SELF-INSPECTIONS OF THE EROSION AND SEDIMENTATIONCONTROL MEASURES AND COMPETE THE FOLLOWING COMBINED SELF-INSPECTION FORMFOUND ON THE DEMLR WEBSITE: HTTPS://FILES.NC.GOV/NCDEQ/ENERGY%20MINERAL%20AND%20LAND%20RESOURCES/STORMWATER/NPDES%20GENERAL%20PERMITS/DEMLR-MONITORING-FORM-REV-AUGUST-8-2019.PDF TWELVE MONTHS OF COMPLETE INSPECTION FORMS SHALLALWAYS BE KEPT ON-SITE AND AVAILABLE FOR INSPECTION.10.SELF-INSPECTIONS FOR EROSION AND SEDIMENTATION CONTROL MEASURES ARE TO BEPERFORMED AT LEAST ONCE EVERY SEVEN CALENDAR DAYS AND WITHIN 24 HOURS OF EVERYRAIN EVENT OF GREATER THAN 1 INCH. ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELYTO MAINTAIN MEASURES AS DESIGNED. ALL EROSION AND SEDIMENTATION CONTROLMEASURES SHALL BE MAINTAINED AS SPECIFIED IN THE DETAILS ON THIS PLAN. A RAIN GAUGESHALL BE INSTALLED AT THE PROJECT SITE FOR MONITORING.CONSTRUCTION WITHIN WETLANDS NOTES1.VEGETATION REMOVAL SHALL BE LIMITED AS MUCH AS POSSIBLE AND STAYWITHIN THE LIMITS OF DISTURBANCE. IN ADDITION, ALL TREE AND SHRUBCLEARING SHALL BE LIMITED TO CUTS AT OR ABOVE GROUND LEVEL. THERESHALL BE NO ROOT BALL REMOVAL OR GURBBING WITHIN THE WETLANDAREAS.2.TIMBER MATS, OR OTHER APPROVED PROTECTIVE MATTING SHALL BEPLACED PRIOR TO CONSTRUCTION EQUIPMENT OPERATING WITHINWETLAND LIMITS.3.WORK WITHIN THE WETLANDS IS PROHIBITED DURING WET CONDITIONS.4.POST-CONSTRUCTION THE TEMPORARY IMPACTED WETLAND AREAS SHALLBE RETURNED TO ORIGINAL CONDITIONS AND SEEDED WITH NATIVEEASTERN NORTH CAROLINA WETLAND SEED MIX.