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S.II :�N:U,I'tiIS :�NU DI�:SIGN OF NIiQU1RF.0 RUNOI�1�CON'IROL I3DIPs <br /> I'ur purpo�cs of com�cyancc and collcction of stormwatcr runoff on thc proposcd projccf s':�, a <br /> ZS-ycnr storni bascd on a prccipita�ion valuc of 2.6 inchcs and thc hydrocrapB mc�hod utii�zing <br /> �hc Santa I3arbara Urban Ilydrograph wi�h �'1'Ypc IA rain�all dislribution was a mcthodology for <br /> siring thc convcyaucc syslcm on sitc. 1'Icasc scc Ihc calculations within thc appendix of this <br /> rcport for mcihodology and dcsign of convcyancc on si1c. <br /> l'hc dcvclopcd area Ihai will bc collcctcd and cunvcycd �o Ihc dctaition vault is approximatcly <br /> ].3 acres in size. Prctrcalmenl ancl �enler quality will be pro��ided do�ensircam of iletention. A <br /> 72-inch slorniftl�cr manholc will bc uscd to lrcat thc 6-month, 34-hour stomi c��cnl. Scc <br /> calculations in this scctiun lor asswnplions and dcsign of slorni6ltcr. Calculation, arc for sizing <br /> of thc Vortcchs prclrcatmcnt s}'slcm havc also bccn includcd in�his seclion. '1'hc to�al impervious <br /> pa�•cmcnt and building ar�a is O.S? acres and thc to�al pervious landscapc arca is approsim;iicly <br /> O.d9 ncres. <br /> �I � <br /> i ? �. <br /> nninin�ta,��� � /�� � <br />