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Table TR-86-2-5 <br /> <br />SEDIMENTATION POND `F' - DETENTION TIME vs. INFLOW SCENARIOS <br />i ..... ri,.... <br />Scenario: w/o 10 yr. <br />10 Year-24 Hour No <br />Spring 30 gpm <br />Set ~1 Orifice 6,825.0 <br />Center Elevation <br />Set ~2 Orifice - 6,823.0 <br />Center Elevation <br />(Lowest Set) <br />Inflow Volumes ( Ac-Ft) <br />Spring 0.13 <br />1D Year-24 Hour -0- <br />Sub Total 0.13 <br />Add Sediment 0.17 <br />Volume <br />Total Volume. 0.30 <br />Maximum Storage 6,822.2 <br />Elevation <br />Orifice Control Set ~2 <br />(which set a) <br />Average Head <br />(on orifice) <br />-0- <br />(At 30 gpm <br />takes 13.6 <br />days to reach <br />6,823.0) <br />Q (cfs) <br />H.A. <br />Detention Time 13.6 days <br />. Inflow Volume-ft3 <br />[ q-cfs (3600 sec <br />hr <br />Low-Flow <br />wt 10 yr. <br />Yes <br />30 gpm <br />6,825.0 <br />6,823.0 <br />Hi-Flow <br />w/o 10 yr. <br />No <br />1,500 gpm <br />6,825.0 <br />6,823.0 <br />Hi-Flow <br />wt 10 yr. <br />Yes <br />1,500 gpm <br />6,825.0 <br />6,823.0 <br />0.13 6.63 6.63 <br />2.33 -0- 2.33 <br />2.46 6.63 g.96 <br />0.17 0.17 0.17 <br />2.63 <br />6,823.3 <br />Set ii2 <br />0.15 ft <br />0.57 <br />52 hrs <br />6.80 <br />6,825.3 <br />Set ~1 <br />and n2 <br />1.15 fi.t <br />(Set ; 2) <br />0.15 ft <br />(Set nl) <br />1.58 rl <br />0.54 ;2 <br />2.12 7ota1 <br />38 hrs <br />9.13 <br />6,626.3 <br />Set rl <br />and r2 <br />1.65 ft <br />(Set r2) <br />0.65 ft <br />(Set rl) <br />1.89 ':'1 <br />1.12 '2 <br />3.01 Total <br />36 hrs <br />Exhibit 13 - 1(t) 09-Z2-86 <br />., .. ... .. ., _... .__ ..mac. _, __ .eT-Y-..c~_ - ... _._ _...ra~:.~., ~~~'~... _, ,.ixcs.. <br />y .,.... <br /> <br />