Loading...
HomeMy WebLinkAboutBLD2021-00031 - 08 SITE PLANS W P P P R O O F S T O R M W A T E R P I P E W I T H 1 0 ' P E R F S T U B - O U T * s e e n o t e b e l o w : ) D R I V E W A Y S T O R M W A T E R S H E E T F L O W A R E A ( 1 0 ' W I D E ) V E G E T A T E D T R A N S I T I O N F L O W P A T H T O R O A D S I D E D I T C H ( B M P T 5 . 1 2 ) P R O V I D E 1 2 " D I A M E T E R C U L V E R T P I P E U N D E R D R I V E W A Y A T T H E E X I S T I N G C O U N T Y R O A D S I D E D I T C H ( P E R J E F F E R S O N C O . R E Q U I R E M E N T S ) E R O S I O N & S E D I M E N T C O N T R O L ( H I G H V I S I B I L I T Y F E N C I N G A N D S I L T F E N C E ) ( B M P C 1 0 3 ) ( B M P C 2 3 3 ) CLEARINGLIMITS(BMP T5.13)5' ZONINGSETBACK5' ZONINGSETBACK 20' ZONING SETBACK 5' ZONINGSETBACK R O O F S T O R M W A T E R P I P E W I T H 1 0 ' P E R F S T U B - O U T : - S h a l l h a v e a t l e a s t 1 0 f e e t o f p e r f o r a t e d p i p e , l a i d i n a l e v e l , 2 - f o o t w i d e t r e n c h b a c k f i l l e d w i t h w a s h e d d r a i n r o c k . - T h e d r a i n r o c k s h a l l b e e x t e n d e d t o a d e p t h o f a t l e a s t 8 i n c h e s b e l o w t h e b o t t o m o f t h e p i p e a n d s h a l l c o v e r t h e p i p e . - T h e r o c k t r e n c h s h a l l b e c o v e r e d w i t h f i l t e r f a b r i c a n d 6 i n c h e s o f f i l l . J u n 0 7 2 0 2 1 ROOF STORM WATERPIPE WITH10' PERF STUB-OUT DRIVE WAY STORM WATERSHEET FLOW AREA (10' WIDE)VEGETATED TRANSITIONFLOW PATH TO ROADSIDEDITCH (BMP T5.12)PROVIDE 12" DIAMETERCULVERT PIPE UNDERDRIVEWAY AT THE EXISTINGCOUNTY ROADSIDE DITCH(PER JEFFERSON CO.REQUIREMENTS)EROSION & SEDIMENT CONTROL(HIGH VISIBILITY FENCINGAND SILT FENCE)(BMP C103)(BMP C233) C L E A R I N G L I M I T S ( B M P T 5 . 1 3 ) 5 ' Z O N I N G S E T B A C K 5 ' Z O N I N G S E T B A C K 20' ZONINGSETBACK 5' ZONING SETBACK S W P P P R O O F S T O R M W A T E R PI P E WI T H 1 0 P E R F S T U B O U T s e e n ot e b e l o w D RI V E W A Y S T O R M W A T E R S H E E T F L O W A R E A 1 0 WI D E V E G E T A T E D T R A N SI TI O N F L O W P A T H T O R O A D S I D E DI T C H B MP T 5 1 2 P R O VI D E 1 2 DI A M E T E R C U L V E R T P I P E U N D E R D RI V E W A Y A T T H E E XI S TI N G C O U N T Y R O A D S I D E DI T C H P E R J E F F E R S O N C O R E Q UI R E M E N T S E R O SI O N S E DI ME N T C O N T R O L HI G H VI SI BI LI T Y F E N CI N G A N D S I L T F E N C E B MP C 1 0 3 B MP C 2 3 3 20' ZONING SETBACK R O O F S T O R M W A T E R PI P E WI T H 1 0 P E R F S T U B O U T S h al l h a v e a t l e a s t 1 0 f e et of p e r f or at e d pi p e l ai d i n a l e v el 2 f o ot wi d e t r e n c h b a c kf i l l e d wi t h wa s h e d dr ai n r o c k T h e dr ai n r o c k s h al l b e e xt e n d e d t o a d e pt h of at l e a s t 8 i n c h e s b el o wt h e b ot t o m of t h e pi p e a n d s h al l c o v e r t h e pi p e T h e r o c k t r e n c h s h a l l b e c o v e r e d wi t h f i l t e r f a br i c a n d 6 i n c h e s of f i l l J u n 0 7 2 0 2 1 BLD2021-00031 Jun 09 2021