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<br />------------------- <br /> <br />TABLE II-I <br /> <br />PARTIAL DETENTION ALTERNATIVE <br /> <br /> Tributary Basin Basin Outlet Works UndetainedIDetained Flow <br />Detention Drainage Pond Dam Height Outlet Channel Channel 25- Year 50-Year loo-Year <br />Pond Area Size to Weir Crest Pipe Dia. Length Dimensions Storm Storm Storm <br />No. (ac) (ac-ft) (ft) (in) (ft) (cfs) (cfs) (cfs) <br />I 34.5 2.0 5.2 18(1) 600 2'W x 3'D x 2: Iss 48/22 56/25 66/35 <br />2 14.7 0.7 3.8 24 1,100 2'W x 3'D x 2: Iss 30/17 35/20 42/22 <br />3 21.3 1.0 5.2 24 650 2'Wx3'Dx2:lss 42/22 50/26 60/35 <br />4 21.0 1.0 5.2 24 0 2'W x 3'D x 2: Iss 42/22 50/26 60/35 <br />5 17.3 0.8 4.5 24 250 2'W x 3'D x 2: Iss 35/19 41/22 49/25 <br />8 17.5 0.8 4.5 24 600 2'W x 3'D x 2:lss 34/19 41/22 48/25 <br />9 7.7 0.4 3.3 18 250 2'W x 3'D x 2:lss 15/9 18/10 22112 <br /> <br />Notes: <br />1. Existing IS-inch outlet pipe diameter differs from 24-inch diameter recommended in Master Plan <br /> <br />Thl I-PartDetAlt <br />1121/98 <br />