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Storm Sewer Design Computation Sheet 04-17-2015ST O R M S E W E R D E S I G N C O M P U T A T I O N S H E E T Sheet ___1____ of ____1___ Pr o j e c t : B e e h i v e 2 n d A d d i t i o n Job No.: 2 2 8 8 1 - 1 0 J a m e s R . H i l l , I n c . Lo c a t i o n : C h a n h a s s e n , M N Prepared by: J L S P L A N N E R S / E N G I N E E R S / S U R V E Y O R S De s c r i p t i o n : 1 0 Y E A R S T O R M C A L C ' S Date: 2 5 0 0 W e s t C o u n t y R o a d 4 2 , S u i t e 1 2 0 B u r n s v i l l e , M N 5 5 3 3 7 Pip e T y p e : R C P 9 5 2 / 8 9 0 - 6 0 4 4 f a x 9 5 2 / 8 9 0 - 6 2 4 4 Ma n n i n g ' s n : 0. 0 1 3 S t r u c t u r e N o . A C C x A t i Q d U p s t r e a m D o w n s t r e a m L e n g t h S l o p e D i a . Q - f u l l B ld. M H V e l . - f u l l t - t r a v e l Fr o m T o a c r e s c o e f . C x A m i n . i n t e n s . c . f . s . R i m I n v . R i m I n v. f t . f t . / f t . i n . c . f . s . f t . s i z e f t . / s e c . m i n . R e m a r k s 1 1 0 2 1 0 1 0 . 1 3 0 . 9 0 0 . 1 2 0 . 1 2 1 0 . 0 5 . 6 0 . 6 6 1 0 1 0 . 6 8 1 0 0 7 . 1 8 1 0 1 0. 6 8 1 0 0 7 . 0 5 2 6 0 . 5 0 % 1 2 2 . 5 2 3 . 5 0 3 . 2 1 0 . 1 4 1 2 1 0 1 1 0 0 0 . 0 7 0 . 9 5 0 . 0 7 0 . 1 8 1 0 . 0 5 . 6 1 . 0 3 1 0 1 0 . 6 8 1 0 0 7 . 0 5 1 0 0 7. 4 0 1 0 0 3 . 9 0 2 4 1 3 . 1 2 % 1 2 1 2 . 9 0 3 . 6 3 1 6 . 4 4 0 . 0 2 2 3 E X 1 0 5 E X 1 0 4 2 3 . 8 6 0 . 5 0 1 1 . 9 3 1 1 . 9 3 3 1 . 3 3 3 5 . 7 9 1 0 1 4 . 2 3 1 0 09 . 0 6 1 0 1 4 . 0 0 1 0 0 7 . 6 6 7 0 2 . 0 0 % 3 6 9 4 . 2 9 5 . 1 7 1 3 . 3 5 0 . 0 9 OFF-SITE DRAINAGE 400S TC=31 MIN 3 4 E X 1 0 4 E X 1 0 3 0 . 0 0 1 1 . 9 3 3 1 . 3 3 3 5 . 7 9 1 0 1 4 . 0 0 1 0 0 6 . 5 0 1 0 0 9 . 10 1 0 0 1 . 5 0 7 8 6 . 4 1 % 3 6 1 6 8 . 8 1 7 . 5 0 0 . 0 0 # D I V / 0 ! 4 5 1 0 0 E X 1 0 8 0 . 3 2 0 . 8 0 0 . 2 6 0 . 4 4 1 5 . 0 4 . 7 2 . 0 7 1 0 0 7 . 4 0 1 0 0 3 . 7 0 10 0 9 . 6 0 1 0 0 3 . 2 7 2 2 1 . 9 5 % 1 5 9 . 0 3 3 . 7 0 7 . 3 6 0 . 0 5 5 6 E X 1 0 8 E X 1 0 3 0 . 0 2 0 . 5 0 0 . 0 1 0 . 4 5 1 5 . 0 4 . 7 2 . 1 1 1 0 0 9 . 6 0 1 0 0 3 .2 7 1 0 0 9 . 9 0 1 0 0 3 . 0 0 5 4 0 . 5 0 % 1 5 4 . 5 7 6 . 3 3 3 . 7 2 0 . 2 4 6 7 E X 1 0 3 E X 1 0 2 0 . 0 0 0 . 4 5 3 1 . 3 3 1 . 3 5 1 0 0 9 . 1 0 1 0 0 1 . 5 0 9 9 8 . 1 2 9 89 . 7 0 2 2 6 5 . 2 2 % 3 6 1 5 2 . 3 5 7 . 6 0 2 1 . 5 7 0 . 1 7 7 8 E X 1 0 2 E X 1 0 1 0 . 0 0 0 . 4 5 3 1 . 3 3 1 . 3 5 9 9 8 . 1 2 9 8 9 . 5 0 9 9 7 . 2 0 9 8 8 .7 8 7 2 1 . 0 0 % 3 6 6 6 . 6 7 8 . 6 2 9 . 4 4 0 . 1 3 8 9 E X F E S 2 E X 1 0 1 1. 7 8 9 9 2 . 5 0 9 9 7 . 2 0 9 9 4 . 5 0 2 3 - 8 . 7 0 % 1 2 POND DISCHARGE 10 YR EVENT 9 10 E X 1 0 1 E X 1 0 0 2. 2 2 9 9 7 . 2 0 9 8 8 . 7 8 9 7 8 . 5 0 9 7 2 . 5 0 1 3 1 1 2 . 4 3 % 3 6 2 3 5 . 0 5 8 . 4 2 3 3 .28 0 . 0 7 10 11 E X 1 0 0 E X F E S 1 1 . 8 2 0 . 8 0 1 . 4 6 1 . 4 6 3 1 . 3 3 4 . 3 7 9 7 8 . 5 0 9 6 6 . 62 9 6 6 . 5 0 4 8 0 . 2 5 % 4 2 5 0 . 2 9 1 1 . 8 8 5 . 2 3 0 . 1 5 P I C K U P W A T E R A T EX. 18" RCP 1 1 12 E X 1 0 7 E X F E S 4 0 . 3 2 0 . 8 0 0 . 2 6 0 . 2 6 5 . 0 7 . 2 1 . 8 4 9 9 7 . 0 0 9 9 4 .7 5 9 9 4 . 5 0 5 0 0 . 5 0 % 1 2 2 . 5 2 2 . 2 5 3 . 2 1 0 . 2 6 12 13 13 14 14 15 154/14/2015