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STORA1NATGR SITE PLAN <br />\t:\DISON COM�tUNITY CIIURCH <br />Poyn u��tE�stotis <br />Bottom of'Livc Storage' = 378.55 <br />Top of'Livc Storagc' = 381.44 <br />`Live Stor, Se' Volume Rcquircd = 7,841 cf <br />Corrected 'Live Storage' Volume Providcd = I 1,252 cf <br />Emergency Overflow Elevation = 382.0 <br />Minimur,i Top of Pond Elevation = 384.0 <br />FLOW CONTROL INFORMATION <br />Outflow Elevation = 378.55 feet <br />2 Ycar Orifice Elcvation = 376.55 fcct <br />2 Ycar Orifice Diameter = 1.25 inch <br />10 & 100 Ycar Notch Elevation = 380.95 tcct <br />I 0& 100 Ycar Notch Length = 0.63 feet <br />Ovcrflow Elevation = 381.44 feet <br />N.AY 26, ?006 <br />PAGE 13 <br />The allowablc relcase from the detention pond is calculated by reducing the releasc rate <br />to accommodate the undetained runoff from the bypass basin. It is calcualted as follows: <br />Storm Event Release rate — Bypass Basin Rate = Allowable relcase rate <br />2 Ycar (0.172/? = 0.086 cfs) - 0.02 = 0.066 cfs <br />10 Year 0.41 cfs - 0.04 = 037 cfs <br />100 Ycar 0.81 cfs - 0.04 = 0.77 cfs <br />Thc actual rcleasc ratcs from the detention pond arc: <br />Stonn Event Actual release rate <br />2 Ycar 0.06G cfs <br />10 Year 0.23 cfs <br />100 Ycar 0.77 cfs <br />The discharge from die flow control manholc will connect direcUy to the stonn drainagc <br />system in Wehnore Avenue. <br />� M.�Hyr�.,��co�,�-��rycn��rn�siRoaaze:o����aqe�sscr.�aa�s�oo[DWHlsrm <br />