Laserfiche WebLink
Design Storrn Peak Storage Time Maximum Storage Volume (Ft3/AC) <br /> (Minut es) <br /> 10 YR T = -25 + 2� V_ = 3607T - �10 QoT <br /> �-:za ' r+zs <br /> 25 YR T =-25 + ?.706 VS = 4329T - 40 Qo T <br /> �v� T+25 <br /> 50 YR T =-20 + 2160 V = 4329T - 40 QoT <br /> Qo 5 T+20 <br /> 100 YR T —20 + 2430 V = 4860T - 40 QoT <br /> Qo s �+20 <br /> How to use table: <br /> Example: Qallow = 0.4 cfs <br /> Design Storm = 25 Yr. <br /> A = 10 aaes <br /> � Cdev = 0.9 <br /> Qo = ( allow) = 0.9 = 0.1 <br /> A CdeV (10 .9 <br /> T = -25+ 2706 = 139.5 <br /> 0.1 <br /> VS = 4329 (139.5) - 40(0.1)(139.5) _ <br /> 139.5 + 25 <br /> , VS = 3113 cf/acre impervious <br /> f <br /> � r46ie z. : <br /> � <br />