HomeMy WebLinkAboutStorm Water Runoff Design - BLD Engineering / Geo-tech Reports - 1/18/1988 M W T E R RUNOFF DESIGN
1986,
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"RED ENENEERING
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SOTOR'm 6"TER KIM OFF RESIUJLT�,
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JOB 86-017-1 p R 0-,j E c T ASPFORD APf"PTMEN'S
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fo PRGLIPCT ENGINEER: ROBERT G. CONNOLL7, P.E.
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RPTIONAi ANALLSIS
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RlaawlErate in t@GeR3 GQ
Final G# J e2Ee21e b £s9s GS
,I I G e R £nte 2.20
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Net regeed pg volume Rci-b EGg
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2as@@Rw pond ebe bE&2feet 2680
&g red 22larea a peed (@! 670.2
wgR@ or, §7b b feed tw
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STORM work SUN 3r RESULTS
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DATE. 111-2@8 eROjECT R8: egaTEE»g&K KG
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#e in acres «2
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orm Regency in Rae 3«o
Grand gge@#«a§ R2! Gy
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ra aI 259»lent G a
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wd £2
depth b @R t6
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LEG 53ERE2G &JE LENGTH VE2Rf 2RE
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STORM WQ@ RUNOFF Egq
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ReItime of concentration a minutes GQ
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eR&£ a@eR¥ a D65aoJ Gg
A«ge final run off ceR Elet %2
wGa volume in aeEfeel 2S.4
Volume of water P«£ed Li @
Volume of water Rae@ a y
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B#«/ of pipe b RJe 8
Glee 3 &R R mG: let 2 2!
2e5 required pond @b@ In G£Elet 3D3!
Required pa arum b5g£ef gap
9gRw pond depth in feet td
Pe§ w 2E w GRe!@ and S£wu to iJ R
Rewired pond lE3hb @R 224
\:#m @ e I_0 Peu R 25 R 1
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'—� STOKM SlGN WATEH RUNOFF DE
copyright 1986
I..
M ED ENGlN-EHING
ALL RIGHTS RESERVED
STORM WATER RUN OFF RESULTS
NUMBER! 86017-1 ECTJB ASHFORD APARTHENTS
DATE. 1/18/88 PKOJECT ENGlNEER/ R0BERT 6. CUNNOLLY` P.E.
RATlONAL ANALYSlS
l = 3.520 (TIHE ^ 0.49 )
===~==~======~~~=~~===============~====~~==~~~~
******************* iniba} cnnditions *******************
==~==========~=~~~~~~~~~~~~~~=~~~~~===~~~~~~~~=========
City nr County Sumner
. ^ ,
. . � STORM WATER RUNOFF DE3lGN
copyright 1986
hy
MC-SQUARED ENGlNEEK[NG
ALL RIGHTS RESERVED
�� WATER RN OFF
A RESULTS
JUB N 1,11118ER 86017-1 PROJECT ASHF0RD APARTMENTS
DATE� 1/\B/88 PROJECT ENGINEEK. RU8ERT G. C0NNOLLY` P.E.
RATlONAL ANALYSlS
========~~~===~=========~~~==~~~=~~~===========
****************e** fina} conditions ***a**a****e*e***
========~~~~===============~~=~~~============
Area in acres O.2O
Stora frequency in years \0V.00
Ground al}ope "average) ft/ft 0.5V
Run off cond oo Pavement aod Roofs
run off co-effieient O.95
flow —number of legcc 0
Pond size
depth in feet 4.VO
cnntroled width [y ur n] . y
width of pood in feet 15.VO
Perc rate in min/inch 5.0�
Rock data
rock fil\ed [y or o] y
pipe in bottom of pond y
dia of pipe in inches 8.VO
0rifice contro}ed outfal} [y or n] n
L[G SURFAC[ TYPE SLOP[ LENGTH V[LOC}TY TRAVEL
0 ft/ft ft ft/sec TIME (min)
0. Time before flow starts 5.VO
Tota� time of cuncenfration 5.OV