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<br />A-5 <br /> <br />.: I' I <br />. ( ~ '0 i <br />~ ~ I <br />~ . <br /> <br />~ '0 l i <br /> <br />> I <br /> <br />~ m I <br />5 :: I I <br />~ ,1 <br /> <br />CAPACI'TY INFLOW RATIO. ocrc-ft/ocre-ft/yr <br /> <br />~ I <br />o <br />0.001 0.002" O.OO:S 0,01 0.02 O.O:S 0.1 0.2 0.:1 1.0 2.0 :1.0 <br /> <br />BRUNE'S TRAP EFFICIENCY CURVE <br />g. Credi t = % sedir.ent rerroval efficiencY/2 X storm crain2.ce fee. <br /> <br />(4) Credits for Storm Water Detention: <br /> <br />. A parcel may be credited for up to 25'" of the stom '.-rater druin' <br />. age fee for onsite measures which limit storm water oucflo~ rates <br />. from the site in accordance wlth the following procea~re: <br /> <br />l a. 2.0~ credit for ~arc~15 ~hich J.init ~eak out~lo~ r~tes ~urin' <br />. - . <br />a 5-year rainfall event to predevelopment rates. <br /> <br />b. Additional 15% credit for parcels \-Jhich li:::it ;oeai.: out:lo'", <br />rates during a lOO-year rainfall event to ?rece~elo?~enc <br />rates. <br /> <br />(Based on the rational method of runoff analysis. Predeve. <br />ment condition shall be considered to have a rac~onal "CO <br />of 0.2. Time of concentration shall be nO shor~er than 30 <br /> <br />c. No detention credits will be olven for sarcels which co nc <br />limit 5-year event outflow rat~s toprec~velop~ent levels. <br /> <br />(5) Credits ShO\'/TI In (3) and (4) .'ilicve !.!ay be Cu:;".ulat~','e. <br /> <br />(6) periodic Inspection and Credit Ad1ust~ents. <br /> <br />Public Works Director reserves the right to inspect periodical] <br />all storm drainage control facilities to ascertain that they ~re ope <br />ing properly. If such a system, due to im~ro~e~ ~ai~~enunce or othE <br />h_ reason, fails to detain or cleanSe stor~ water ~u~or= 1n an eifecti\ <br />manner, tt:e- ciirec~orr::ay eli::1ir.ate or ::::-ecucc \.Jacer q~.:J.li~:~ or detent <br />, credits to ~n apprcpr:ate level. Any such ~acili~y ahall not be ~l~ <br />. gibl~ .to ap;;l,! for Stor:7l .drainage fee .::;,djustoenr.s ~or a, ;:>eriod 0:: 1: <br />_. IContn:; follc''''ln'J any C::-CClt ud)ustr::ent. Credit adjust:::e"-ts shall DC <br />>{ C . be mad~rct50:~~l'JelY.. ' ' <br /> <br />~)~;> ; Theissuanceof)'any,b\tildi ng ,permu or <br /> <br />ii~i~\.;[~\ii; ])'~;,;,~~~H~~t~.~~,i~it~1~!1~~~~~~~~:d~"~~o~.~f; I <br />