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HomeMy WebLinkAboutC402A - SWPP PLAN (CONST) PHASE IIWWWWOHU OHUOHUOHU OHU OHUOHU OHUOHU OHU OHU OHUOHU OHU OHU OHUOH U OHU OHU OHU OHU OHU OHU OHU OHU OHUG OHU OHU OHUOHU OHU OHU OHU OHU OHU OHUOHU OHU OHUOHU OHU OHUOHU OHUOHUOHU OHU OHU OHU OHU OHUE E E E EEE E EG G W WWW WWW W4TH AVE N U E NPDES STAGING AREA TOPS OIL STOCKPILE PUBLIC POSTING BOARD T STOPSTOP DO NOTENTERST O P STO P STOPBUSONLYDRIVE TO BE CONSTRUCTED BY OTHERSUNDERGROUND DETENTION WALK TO BECONSTRUCTED B Y OTHERSDETENTION: 7' CMP FL / INV 843.8 (FLAT: 0% SLOPE) (TOP OF PIPE 850.8) HW 10-YR= 847.32 HW 100-YR= 850.59 PROPOSED BMP & ACCESS EASEMENT P R O P O S E D A C C E S S E A S E M E N T NO PARKINGNO PARKI NGNO PARKINGTPTP TPTP TP TPCONCRETE WASHOUT SFSF SFSF SF SF SF S F SF SF CONSTRUCTION ENTRANCE DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIPSFSF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SFSF SF SF SFSF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SFSFSF SF SF SF SF SF SFSF SF SF SFSFSFSF SF SF SF SF SF SF SF SF SF SF SF S F S F SFCONSTRUCTION ENTRANCE T P TPT P DIPDIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP Project Number: Drawing Number: Certified By: Checked ByDrawn ByIssue Date Revisions:PROJECT:Scope Drawings:CARMEL, INDIANAFORCARMEL CLAY SCHOOLSNEW ELEMENTARY SCHOOLSDrawing Title: 11-19-19 SO MK 18094 Rev. #Revision Description Issue Date CONFORMEDSETEROSION CONTROL NOTES LINE TYPE / SYMBOL COARSE AGGREGATE 6 INCHES OF 2"-3" TEMPORARY CONSTRUCTION ENTRANCE (20'W x 50'L) Minimum TREE PROTECTION FENCE SILT FENCE (SEDIMENT FENCE) EROSION CONTROL LEGEND LINE TYPE / SYMBOL DESCRIPTION DESCRIPTION CONCRETE WASHOUT TEMPORARY DROP INLET PROTECTION SCALE: 1" = 60' 1. THE EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE DRAWINGS ARE CONSIDERED THE MINIMUM PRACTICES NECESSARY FOR COMPLIANCE WITH THE NPDES GENERAL PERMIT FOR STORM WATER DISCHARGES ASSOCIATED WITH CONSTRUCTION ACTIVITY AS IDENTIFIED UNDER SECTION 327-IAC-15-5 OF THE INDIANA ADMINISTRATIVE CODE. HOWEVER, SITE CONDITIONS, CONSTRUCTION METHODS, SEQUENCING OF WORK AND GENERAL PRACTICE MAY WARRANT VARIATION AND/OR ADDITIONS TO THE QUANTITIES AND LOCATIONS OF MEASURES AS SHOWN. 2. UNLESS OTHERWISE SHOWN, TEMPORARY CONTROL MEASURES SHALL BE REMOVED UPON SATISFACTORY ESTABLISHMENT OF PERMANENT VEGETATION. 3. SEE SHEET C403 FOR DETAILS AND SPECIFICATIONS REFERENCED ON THIS SHEET. 4. PERIMETER CONTROL MEASURES (I.E. SILT FENCE, DIVERSION DITCHES, TREE PROTECTION FENCING) SHALL BE INSTALLED PRIOR TO COMMENCING EARTHWORK ACTIVITIES. 5. IN ADDITION TO THE MAINTENANCE REQUIREMENTS IDENTIFIED FOR INDIVIDUAL MEASURES, ALL EROSION CONTROL MEASURES INSTALLED UNDER THIS PROJECT SHALL BE INSPECTED WEEKLY TO ENSURE THEY ARE FUNCTIONING PROPERLY. MEASURES FOUND TO BE DEFICIENT SHALL BE REPAIRED OR REPLACED IMMEDIATELY THEREAFTER. 6. THE CONTRACTOR SHALL MAINTAIN A STABLE CONSTRUCTION ENTRANCE AT ALL TIMES AND SHALL MAKE EFFORTS TO MINIMIZE THE ACCUMULATION OF SOIL, MUD AND DEBRIS ON ADJOINING ROADWAYS. 7. SYMBOLS FOR INLET PROTECTION MEASURES AND DITCH CHECKS ARE SHOWN LARGER THAN ACTUAL SIZE. 8. DISTURBED AREAS AND STOCKPILES THAT ARE TO REMAIN IDLE FOR MORE THAN 14 DAYS SHALL BE STABILIZED WITH TEMPORARY SEEDING. 9. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED BY THE INSPECTOR. 10. PORTABLE TOILETS SHALL BE ANCHORED TO THE GROUND TO PREVENT TIPPING AND SPILLS. 1. EARTH MOVING ACTIVITIES MAY NOT BEGIN UNTIL AFTER ITEMS 2-4 HAVE BEEN COMPLETED. 2. DESIGNATE THE PERSON RESPONSIBLE FOR COMPLYING WITH THE ON-SITE SWPPP. COORDINATE RESPONSIBILITY FOR COMPLETING THE SITE REVIEW AFTER EACH 12" RAINFALL AND A MINIMUM OF ONE TIME A WEEK. 3. POST THE CONTACT INFORMATION AT THE CONSTRUCTION ENTRANCE AS SHOWN ON THE PLANS. INCLUDE A COPY OF THE FISHERS STORM DRAINAGE APPROVAL AND THE CONTACT INFORMATION FOR THE PERSON RESPONSIBLE FOR IMPLEMENTING THE SWPPP. 4. INSTALL SILT FENCE,CONSTRUCTION ENTRANCE, INLET PROTECTION AND CONCRETE WASHOUT AS SHOWN ON THE PLANS. 5. INSTALL PORT-A-LET, AND COVERED CONSTRUCTION DUMPSTER. 6. PERFORM REQUIRED SITE DEMOLITION AND CLEARING. 7. STRIP TOPSOIL AND STORE OFFSITE. 8. PERFORM MASS GRADING FOLLOWED BY UTILITY INSTALLATION. MAINTAIN STORM INLET PROTECTION UNTIL SITE IS STABILIZED AND EROSION WILL NOT LIKELY OCCUR. 9. MAINTAIN ALL INLET PROTECTION, AND SILT FENCING ON THE SITE PROJECT BY CLEANING OUT EVERY WEEK AND AFTER EVERY RAIN EVENT OF 1/2" OR GREATER DEPTH. 10. IF WORK ON SITE WILL STOP FOR 2 WEEKS OR MORE AFTER COMPLETION OF MASS GRADING, INSTALL TEMPORARY SEED AS INDICATED ON THIS SHEET AND SHEET C403. 11. ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURES MAY BE REQUIRED BY THE INSPECTOR. PRE-CONSTRUCTION SEQUENCING NOTES THERE SHALL BE NO DIRT, DEBRIS, OR STORAGE OF MATERIAL IN THE STREET ADJACENT ROADS MUST BE SWEPT DAILY SF TP NPDES PUBLIC NOTICE POSTINGNPDES C402A SWPP PLAN (CONSTRUCTION) PHASE II 1 ADDENDUM # 3 12/20/2019 DIP 2 TAC COMMENTS 1/3/2020 3 ASI 001 02/14/2020 3 05/27/20