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HomeMy WebLinkAbout6.21_Gallatin Subaru_SWPPP Plan_3-3-2020T C W O 4 ' ' W 4 ' ' W 4 ' ' W 4 ' ' W 4 ' ' W 2 ' ' W 2 ' ' W 2 ' ' W 2 ' ' W 2 ' ' W 6 ' ' S 6 ' ' S 6 ' ' S 6 ' ' S 6 ' ' S G A S G A S G A S G A S G A S G A S G A S G A S G A S S E W S E W S E W S E W S E W S E W S E W S E W S E W S E W S E W GA S GA S GA S GA S F O FO FO FO FO FO FO FO F O F O F O OH P OH P OH P OH P OH P OH P OH P OH P O H P O H P UGP UGP UGP UGP UGP UGP UGP UGP UGP H Y D S E W S E W S E W S E W S E W S E W WAT WAT WAT WAT WAT WAT WAT WAT WAT WAT WAT WAT WAT WAT WA T W A T UG P UG P UG P UG P UG P UG P UGPUGPUGPUGPUGPUGPUGP U G P U G P U G P U G P U G P U G P UG P UG P UG P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P U G P W A T >>>> >>>>>>>>>>>>>>>> > > > > > > > > > > > > > > > > > > > > > > > > > 4 7 9 2 4 7 9 1 4 7 9 0 0 ' 3 0 ' 6 0 ' 9 0 ' GALLATIN SUBARU 31910 FRONTAGE ROAD BOZEMAN, MT 59715 D A T E : _ _ _ _ _ _ _ _ _ _ 2 / 2 4 / 2 0 2 0 2/24/2020 1:25:40 PM M:\193290\Drawings\SWPPP\SWPPP PLAN.dwg D a r w i n L i n d a h l A r c h i t e c t s , P . A . e - m a i l : l i n d a h l a r c h @ g m a i l . c o m PROPOSED FACILITY FOR: D r a w i n g : R e v i s i o n s : N o : R e v i s i o n : D a t e : S h e e t N o : C e r t i f i c a t i o n : T H I S D R A W I N G A N D T H E I N F O R M A T I O N T H E R E I N I S T H E P R O P E R T Y O F D A R W I N L I N D A H L A R C H I T E C T S , P . A . I T S U S E B Y T H E H O L D E R O R D I S C L O S U R E T O O T H E R S W I T H O U T T H E W R I T T E N P E R M I S S I O N O F D A R W I N L I N D A H L A R C H I T E C T S , P . A . I S P R O H I B I T E D . I T C O N T A I N S P R O P R I E T A R Y A N D C O N F I D E N T I A L I N F O R M A T I O N O F D A R W I N L I N D A H L A R C H I T E C T S , P . A . R E P R O D U C T I O N O F T H E M A T E R I A L H E R E I N W I T H O U T W R I T T E N P E R M I S S I O N O F D A R W I N L I N D A H L A R C H I T E C T S , P . A . V I O L A T E S T H E C O P Y W R I T E L A W S O F T H E U N I T E D S T A T E S A N D W I L L S U B J E C T T H E V I O L A T O R S T O L E G A L P R O S E C U T I O N . C O P Y R I G H T © 2 0 1 8 B Y D A R W I N L I N D A H L A R C H I T E C T S , P . A . 4 1 2 4 Q u e b e c A v e . N o r t h , S u i t e 1 0 6 M i n n e a p o l i s , M i n n e s o t a 5 5 4 2 7 P h : 7 6 3 . 5 6 0 . 0 4 4 8 F a x : 7 6 3 . 5 6 0 . 0 4 4 1 2 3 0 4 N 7 t h A v e . S t e . L B o z e m a n , M T 5 9 7 1 5 T e l : ( 4 0 6 ) 5 8 7 . 2 7 8 1 w w w . h y a l i t e e n g . c o m F a x : ( 4 0 6 ) 5 2 2 . 9 2 2 5 P R E L I M I N A R Y N O T F O R C O N S T R U C T I O N D A T E : _ _ _ _ _ _ _ _ _ _ 2 / 2 4 / 2 0 2 0 P R I N T E D F O R : _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ I N F O R M A T I O N P R O P O S E D B U I L D I N G FRONTAGE ROAD E X I S T I N G B U I L D I N G E R O S I O N A N D S E D I M E N T C O N T R O L S W P P P 1 1.EROSION AND SEDIMENT CONTROL PLAN IS A LIVING DOCUMENT ANDMAY BE UPDATED AND REVISED AS NEEDED.2.CONTRACTOR SHALL PHASE THE GRADING WORK TO MINIMIZE THE TIMESOILS ARE EXPOSED AND SHALL PLACE SEED, EROSION CONTROLBLANKET, MULCH, OR HYDRO-SEED AS SOON AS POSSIBLE AFTERCOMPLETING GRADING WORK.3.PERIMETER CONTROL BMPS SUCH AS SILT FENCE, NATIVE VEGETATIVEBUFFERS, FIBER ROLLS, STRAW WATTLES AND EARTHEN BERMS AREINTERCHANGEABLE AND THE MOST FEASIBLE BMP SHOULD BE USEDWHEN NEEDED. ADDITIONAL BMP'S MAY BE NEEDED TO PREVENTEROSION AND SEDIMENTATION.4.INSTALL EROSION CONTROL BLANKET AT DOWNSTREAM ENDS OF NEWOR DISTURBED CULVERTS, NEWLY GRADED DITCHES, AND WHERESCOUR IS VISIBLE ON DISTURBED SOILS AS NEEDED.5.DISTURBED SOILS SHALL BE SURFACE ROUGHENED AS NEEDED. ORIENTTHE SURFACE GROVES TO BE PARALLEL TO THE CONTOURS ANDPERPENDICULAR TO THE SURFACE FLOWS. BLEND THE EXISTINGTOPSOIL ADJACENT TO THE SIDEWALK AND/OR CURB & GUTTER TOELIMINATE ANY STEEP SLOPES OR VERTICAL EDGES. HYDRO-SEEDAFTER SURFACE ROUGHENING.6.DISTURBED SOILS ARE TO BE WATERED AS NEEDED FOR DUST CONTROLAND/OR SEED GERMINATION.7.TEMPORARY SOIL STOCK PILE AND STAGING AREAS MAY HAVE SILTFENCE, EARTHEN BERM OR FIBER ROLLS INSTALLED AROUND THEPERIMETER OF THE AREA. TEMPORARILY COVER EXCESS SOIL WHENNOT WORKED FOR MORE THAN 48 HOURS AS NEEDED. WHEN STOCKPILEAREA IS NO LONGER NEEDED, FINALIZE BY RE-GRADING AND COVERINGTHE AREA WITH MULCH AND WEED-FREE SEED MIX OR HYDRO-SEED.8.PROVIDE A STABILIZED VEHICLE ENTRANCE IF THERE IS CONTINUALTRAFFIC IN AND OUT OF THE CONSTRUCTION SITE. IF POSSIBLE, PARKVEHICLES IN DESIGNATED PARKING AREAS, ON ROADS ORUNDISTURBED, VEGETATED AREAS. AVOID ENTERING A SITE WHEN IT ISMUDDY. IF THIS IS NOT POSSIBLE, CLEAN OFF VEHICLE TIRES BEFORELEAVING THE SITE.9.CONTRACTOR IS RESPONSIBLE FOR ONGOING EVALUATION ANDMAINTENANCE OF BMPS TO ENSURE PROPER FUNCTIONING ANDADEQUACY AS CONSTRUCTION PROGRESSES.10.INSPECTIONS OF ALL BMPS (INCLUDING VEGETATIVE BUFFERS) MUST BECONDUCTED AT LEAST ONCE EVERY 7 DAYS AND WITHIN 24 HOURS OF AHALF-INCH RAINFALL EVENT. INSPECTION RESULTS MUST BERECORDED. THE RESULTS MAY BE RECORDED IN ANY DIARY ORINSPECTION FORM USED AT THE SITE. THE RECORD OF THE INSPECTIONMUST INCLUDE THE DATE AND TIME OF THE INSPECTION, NAME OFPERSON CONDUCTING THE INSPECTION, FINDINGS AND CORRECTIVEACTIONS REQUIRED, CORRECTIVE ACTIONS TAKEN, AND DATE ANDAMOUNT OF RAINFALL.11.IN ORDER TO ACCOUNT FOR THE DEMOLITION OF EXISTING BUILDINGSAND UTILITIES ON SITE, THE SWPPP PLAN SHALL BE IMPLEMENTEDPRIOR TO AND ADJUSTED ACCORDINGLY. GENERAL EROSION AND SEDIMENT CONTROL NOTES M A T E R I A L A N D E Q U I P M E N T S T O R A G E A R E A D E S I G N A T E D C O N T R A C T O R P A R K I N G T R A S H T E M P O R A R Y S P O I L S L O C A T I O N TEMP O R A R Y SPOIL S LOCA T I O N EXISTING FLOW DIRECTIONPERIMETER CONTROLCONCRETE WASHOUTPORTABLE TOILETSCONSTRUCTION AREA DELINEATION T CWO LEGEND P R I M A R Y C O N S T R U C T I O N E N T R A N C E / E X I T W I T H V E H I C L E T R A C K I N G P A D S T O R M P O N D ( T Y P . )