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r <br /> Vt = (295°.64 ft.3/ac.)(3.79 ^c.) (0.41) <br /> = 4597.44 ft.3: Use 4,600 ft.� <br /> 210' - 73" x 55" = 4620.00 ft.3 <br /> 4' - 36" = 28.00 ft. <br /> TOTAL VOLUME = 4648.00 <br /> A2 Qo = 0.07 cfs ' <br /> �1.07 ) <br /> = 0.12 cfs/ac. <br /> T = -25 + 2706 <br /> 0.12 cfs/ac. <br /> _ -25 t 150.17 min. <br /> = 125.17 min. <br /> Vs = (4329)(125.17 min.) _ (40) (0.12 cfs/ac.) (125.17 min.) <br /> 125.17 min. + 25 <br /> = 3609.32 - 600.82 <br /> = 3007.50 ft.3/ac. <br /> Vt = (3007.SO ft.3/ac.) (1.07 ac.)(0.53) <br /> = 1705.56 ft.3: Use 1,700 ft.3 <br /> 65' - 81" x 59" = 1690.00 it.3 <br /> 4' - 36" = 28.00 ft. <br /> TOTAL VOLUME = 1718.0� <br /> CALCULATIONS ORIPICti SIZIiS <br /> IN GENERAL: <br /> D = 6.12 Oallow <br /> h �Z <br /> AREA 1 � Qallow = 0.20 cfs <br /> h = 5.68 <br /> D = 6.12 0.20 cfs <br /> (5.68)'� <br /> D = 1.62": Use 2.00" <br />