|
<br />WORKSHEET 6a: Detention Basin Storage.
<br />
<br />Peak Outflow Discarge (qO) Known
<br />
<br />. Project: Cottage Villas Calculated By: CNC
<br />Project No, 92-111 Date: 10-22-92
<br />Location: Arden Hills Checked By:
<br />File: TR-55,WR1 Date:
<br />
<br />Drainage Basin:
<br />Predevelopment Condition
<br />
<br />
<br />
<br />
<br />Detention Basin Storage
<br />
<br />1 , Data
<br />Drainage Area, Aa 2,50 acre
<br />Drainage Area, Am 0.0039 sq, mile
<br />Rainfall Distribution Type II (I,IA, II, III)
<br />
<br />
<br />~_,_.~t~~ ,~~,.,_,l",~t~~~~,....J""~t,~~~,~?,,, ,I
<br />. 2. Frequency, year I :,:-:::::,:-:<::-:<,:<~,: l':-::-:':::-:-:-:':<~:~:r:':::':<':::-:<:~~?<l
<br />
<br />f:::::::::::-:::::::::::::<<t<::-:::::::::::::<:::::::::V:::::::::::::::::<::::::::j
<br />3. Peak Inflow Discharge, qi,cfs I""",,, ,,~:1, _1"""",.2..1,'_,,,,,,,,, ,4:8,
<br />t::::::::::::::::::::;:::;:::;:j;:::::::;:;:::::::::::::::::::~:::::::::::::::~:::::::::::::~
<br />4, Peak Outflow Discharge, qo, cfs I NA ! NA I NA I
<br />:::::::::::::;:::::;::::::::1:::::;:::::::::::::;:::::;:J;:::::::;:::;:::::::::::::::j
<br />5, qo/qi ' NA ! NA I NA I
<br />k<-:-:-:-:-:-:-:-:-:-:-:,;.:L,:,:,;.:,:-:-:,:,;.:-:,:-:-L:-:-:-:-:-:<-:.;,:-:-:-:-:1
<br />6, VsNr (Use fig, 6-1) r"""."':"""'~~'r""."..""'."'~j~'T'"""""'-.'~~1
<br />f'" ,.,.,.,',',.,.,., -: ': -: ':. {:-:':- :':-: ':-:':-:':-:- :<-: >.; -: < ':-:-:-;.: < -: < -: < < '1
<br />7, Runoff, Q, inch ,"-""-"'~,i~-l--""-~,~~'r--"-'l~~~l
<br />~:::::::::::::::::::::::::::::~::::::::::::::::::.::::::::::~:::.:::::::::::::::::::::::::t
<br />8, Runoff Volume, Vr, ac-ft '0,03 I 0,18 ! 0,39 i
<br />1"'::::::':':'-::'::-::':::::":-::>::'';:>::':::';:::::-:I:::::::::::::::::':::::::::::l
<br />"_".""",'1-'",."".",,, ",""""'"
<br />9. Storage Volume, Vs, ac-ft I NA I NA i NA I
<br />~<::::::::::::::::::::::::<:t:::::::::::::::::::::::::::r:::::::::::;.::::::::-::::::j
<br />10, Maximum Stage, Emax (From Plot) I" " . "NA;" '" - , NA' :" , " " " 'NA 'I
<br />
<br />
<br />TR-55
<br />
<br />
<br />.
<br />(,
<br />
|