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i <br /> � <br /> � <br /> Lut I ��as includ�d in thc iributary area liu thc dcsign of thc dctcntion ponJ. Storni�catcr passmi� <br /> I through thc 5tornil�iitcr" �cill dischargc to thc stonn main in Associalcd �3oulcvard. �ehich thcn <br /> dischargcs to thc Glcnw'ood Rcgional Uctcntion Pond constructcd during thc Vallcy Elcctnc <br /> project. Stomn�ater from the rool'�cill also discharge to the Associated Houlevard cican <br /> stomi��atcr drainagc systcm that com cys trcatcd stormwatcr and roof runoff to thc Glcm�oud <br /> �� Dctcntion Pond. 5cc I igurc I Du�cnstrr.izn Drainagc 13:sin titap in Appcndix A fi�r <br /> do�cnstrcam _omcy;mcc. <br /> I Con��cyancc Desi}�n <br /> I �fhc proposcd stunn drain systcm �cill com'cy surGicc nmoff from thc f3uilding A roof, parking <br /> lots, sidc���alks, and landsca�c arcas. 7liis storni drair system is dcsigned ro convey thc 24-hour, <br /> 25-ycar stomi c��cnt. �chich has a rainfall dcplh of 2.6 inchcs as dcfincd in thc COF. S'�crnnru�c�• <br /> � Muriu�;cnir�u :11an�ud. l'hc ration.il mcthod ��as uscd for pipc sizing r.ilculations. A sprcadshcet <br /> sho«ing pipc tiiic calculations is includcd in Appcndix I3. <br /> IThc pipcs wcre sizcd lo convcy thc 25-Vcar runofi���ithoul cxcccding 90 perccnt capacity. Pipc <br /> , tltat is G inchcs thruugh I S inchcs �s adcrwitc to comcy dic nmoff Gom thc roof and parking <br /> lots. <br /> i DMention Dcsi{;n <br /> I 5tonm�atcr dctcntion lix thc sitc ��ill h�_pru�idcd in thc Glcm:.00d Rcgional Dctcntion Pond. <br /> Runotl'I�rom Lot I, assuming dc��clupcd conditions, �vas includcd in thc original calculations lor <br /> thc dcsign of thc cxisting dctcntion pond. Scc thc liydraulics report. tiUcd S'tornnratrr.4ite Plan. <br /> � As.eorr�ircd Huulc��nrd, Jm�r ?00/, ti,r morr inlorniation. <br /> � <br /> Watcr Qualit�� Uesigu <br /> :1 StonuPihcr" r.irtridgc liltcr cault ��ili pn,cidc ��atcr yu;ility Ucauncnt for thc pavcd arcas <br /> mvund lluililing A (Scc Figurc I - I)ov:nslrrim Drainagc Basin Map). Stomiwatcr���ill pass <br /> through ;i prcu'c:umcnt Vortcchs` c.mft tu srpanuc largcr scdimcnts and trash bcforc entcring thc <br /> Stonnl ihcr°. "I'hc fihcrs usc ;i C51�` Lcaf mcdia for scdimcnt, oil, solublc mctals, anJ total <br /> nutricnt rcmo�al. fhc f ihcr is sizcd to trcat thc six-month storni using thc StormFillcr� Dcsign <br /> IManu.il :md Cih of I?�crctt reyuircmcnts. Scc rlppendix f3 for 5torniPiltcr" sizing calculations. <br /> An 8 x Ib-li�o� �ault ��ith 14 tiltcr cartriJgu is rcquired. 'Thc six-monUi storm Oow ratc ��as <br /> I c:ilculatrd using thc Santa Barhara l rban li}�drograph method and �hc Stomishcdr^' computcr <br /> progr:mi. Runull grcatrr �h:m thc siz-mo!i�h stortn ���ill bypass thc Stornil�iltcr" and disch:irgc <br /> dircctl} iu thc rsistin� stunn systcm alung ;�,suciatcd f3oulc�ard. Runoff from thc huildin�: rool' <br /> , h}�risscs thr liltcr �'uiilt. 'I'hc rool��ill hc constnictcd of matcrial that is not of a pollution- <br /> � ucncralin� m,urri.il. <br /> I hc titurml ihcr` must hc mainlaincd :irconling to City of I:�crctt rcyuircmcnts and Ihc <br /> nwnufacturcr's maimcnancr manu.il I hc maintcnancc manuai is includcd as Appcndix C. :1 <br /> rcrlilir;ur „(m;iinirn;incc �icrfimnr�J mu�t hr suhmittcd tu thc City�of li�crctt annually. <br /> I Panatloni Dcvclopmenl LLC 6uilding A May 9,2007 <br /> Hydraulics RepoA 2 ' � � � � : <br />