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31A-262 Paradise Pond Housing-Submission2 plans-2014-0516.pdfCE N T R A L G R E E N (L A W N A R E A ) OHW OHW OHW OHW OHW OHW OHWOHW OH W OH W OH W OH W OH W OHW OHW OH W OHW OHW OHW OHW OHW OHW OHW OHW S S S S S S S S S S W W W W W W W W W WWWWWWWWW G G G G G G G G G GGGGG G G G W G 19 6 WW W W W E E E E E E E E E E E E EE SSSS SSSSS SSSSSSSSSSSSSMILL RIVER DDDD D PA R A D I S E R O A D ( P R I V A T E D R I V E ) 198 61 75 19 8 MATCH LINE + + + 19 7 . 0 5 19 7 . 4 9 19 6 30 % + 19 2 . 2 9 19 2 . 2 0 5. 8 % 2% 19 8 19 8 191 19 5 19 3 194 19 2 100' RIVERFRONT BUFFER PR I O R I T Y H A B I T A T A R E A 19 7 19 5 194 192 191 190 1 9 6 19 4 193 19 5 194 196 195 197198 19 5 194 PRIVATE DRIVE HY D 194 189 188187186 193 1 9 4 192 1 9 5 1 9 5 193 HOUSE 1 HO U S E 2 HO U S E 3 HO U S E 5 HO U S E 4 STORM DRAIN IN FILL SLOPESEE DETAIL 1/L7.03CONCRETE HEADWALLINV=138.0ARMORFLEX (OR APPROVED EQUAL)ARTICULATED CONCRETEEROSION CONTROL MAT 20'OUTLET CONTROLSTRUCTURERIM=185.2INV(NE)=179.15INV(SW)=179.15 15" HDPE @1%STORMWATERTREATMENT CHAMBERSTORMCEPTOR 900 (OR EQUAL)RIM=187.5INV(NE)=183.8INV(SW)=183.5 CBRIM=191.8INV=188.812" @1%DMHRIM=192.6INV(NW)=188.4INV(NE)=187.1INV(E)=190.3INV(SE)=184.0INV(SW)=183.9 12 " @ 1 % CBRI M = 1 9 1 . 9 IN V = 1 8 8 . 9 12" @1% DM H RI M = 1 9 6 . 2 IN V ( N W ) = 1 8 8 . 1 IN V ( E ) = 1 9 2 . 9 IN V ( S E ) = 1 8 9 . 2 IN V ( S W ) = 1 8 8 . 0 YDRI M = 1 9 8 . 7 IN V = 1 9 5 . 7 12" @3% DM H RI M = 1 9 7 . 7 IN V ( E ) = 1 9 4 . 7 IN V ( S W ) = 1 9 4 . 6 CBRI M = 1 9 6 . 2 IN V ( N E ) = 1 9 3 . 2 IN V ( W ) = 1 9 3 . 1 12 " @ 2 . 3 % 12" @ 1 % CBRI M = 1 9 5 . 2 IN V = 1 9 2 . 1 12 " @ 1 % CBRI M = 1 9 5 . 3 IN V ( N E ) = 1 9 2 . 0 IN V ( S W ) = 1 9 1 . 9 12 " @ 1 % CBRIM=196.4INV(NE)=191.0INV(W)=190.9 12 " @ 1 % 12" @ 1 % DMHRIM=199.1INV(NE)=194.2INV(E)=190.6INV(NW)=190.5 DM H RI M = 1 9 7 . 9 IN V ( S E ) = 1 8 9 . 8 IN V ( S W ) = 1 9 1 . 8 IN V ( N W ) = 1 8 9 . 7 YDRI M = 1 9 4 . 9 IN V = 1 9 1 . 9 12" @1% CBRIM188.8INV=185.8 12" @1%DMHRIM195.1INV(SW)=185.3INV(E)=189.0INV(NW)=185.2CBRIM192.5INV=189.5 12" @1%DMHRIM=194.8INV(SW)=187.9INV(SE)=184.6INV(NW)=184.5 YDRIM=191.0INV=188.0 12" @1%LIMIT OF WORK LINECBRIM=191.9INV=188.9 1 2 " @ 1 % CBRIM=191.7INV(S)=188.4INV(W)=188.7INV(NE)=188.3 YDRIM=194.1INV=191.1 12" @3. 8 % DMHRIM=195.9INV(SW)=187.7INV(NE)=189.9INV(SE)=187.6 12 " @ 1 % 12 " @ 3 . 8 % CBRI M = 1 9 3 . 3 IN V ( N ) = 1 9 0 . 3 IN V ( S W ) = 1 9 0 . 2 12 " @ 1 % 12" @1% STORMWATERTREATMENT CHAMBERSTORMCEPTOR 450 (OR EQUAL)RIM=194.6INV(NW)=186.9INV(SW)=188.9INV(SE)=186.6 YDRIM=192.0INV=189.0DMHRIM=192.5INV(NW)=186.2INVNE)=186.1 12" @1% LI M I T O F W O R K L I N E YDRI M = 1 9 4 . 9 IN V = 1 9 1 . 9 DM H RI M = 1 9 2 . 2 IN V ( S W ) = 1 8 5 . 4 IN V ( N W ) = 1 8 9 . 2 IN V ( E ) = 1 8 5 . 3 12" @7.7% LE V E L S P R E A D E R IN V = 1 8 5 . 0 12" @1%12" @ 1 % YDRI M = 1 9 4 . 9 IN V = 1 9 1 . 9 CBRIM=197.8INV=194.8 12" @1%CBRIM=193.4INV=190.4 NE W H Y D R A N T AN D G A T E V A L V E EX T E N D E X I S T I N G W A T E R LI N E T O N E W H Y D R A N T 12 " @1 % HV A C U N I T O N C O N C R E T E PA D F O U N D A T I O N ( T Y P . ) RE L O C A T E E X I S T I N G HY D R A N T BIORETENTIONUNDERDRAINSEE DETAIL 7/L7.03 re v i s i o n s : la n d s c a p e a r c h i t e c t pr o j e c t m a n a g e r dr a w n b y ch e c k e d b y jo b n o . da t e no . da t e by F:\Smith College Mason Infirmary Site Housing-2\03-CD\CAD\SMITH-HOUSING-ACTIVE-UTILSHEET.dwg project: L5 . 0 0 UT I L I T I E S & DR A I N A G E P L A N ES W , C C 04 / 2 4 / 2 0 1 4 NO T F O R C O N S T R U C T I O N PE R M I T P L A N S RM K )T Q W R   + P E  &G U K I P $G T M U J K T G 6J G 1. T h e p r o p o s e d d e t e n t i o n b a s i n i s d e s i g n e d to a c c e p t s t o r m w a t e r t h a t i s f r e e f r o m su s p e n d e d s o l i d s o r o t h e r m a t e r i a l s t h a t m a y cl o g t h e p e r f o r a t e d p i p e o r s t o n e l a y e r . T h e ba s i n s h a l l r e m a i n d i s c o n n e c t e d f r o m t h e s i t e st o r m w a t e r m a n a g e m e n t s y s t e m u n t i l t h e s i t e is s t a b i l i z e d , a n d t h e p r o p o s e d s t o r m w a t e r tr e a t m e n t c h a m b e r i s o p e r a t i o n a l . 2. A l l s t o r m d r a i n p i p i n g s h a l l b e d o u b l e - w a l l , sm o o t h i n t e r i o r H D P E , e x c e p t a s n o t e d . 3. A l l c a t c h b a s i n s s h a l l b e c o n s t r u c t e d w i t h ho o d e d o u t l e t a n d 4 ' ( m i n . ) s u m p . H o o d a n d de e p s u m p s h a l l n o t b e r e q u i r e d f o r y a r d dr a i n s . 4. F o r c a t c h b a s i n s a n d y a r d d r a i n s i n bi o r e t n t i o n s w a l e s , g r o u n d e l e v a t i o n a d j a c e n t to t h e i n l e t s h a l l b e e s t a b l i s h e d 4 " l o w e r t h a n th e r i m e l e v a t i o n i n o r d e r t o p r o m o t e st o r m w a t e r i n f i l t r a t i o n . S e e G r a d i n g P l a n . DR A I N A G E & U T I L I T I E S N O T E S 1 5/ 1 6 / 1 4 CM C