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SEDCAD 4 for Windows <br />n,,,.,,.~~~,~ ~°°a o~moi~ i c,.r,o,~r. <br />11 <br />Stability Stability Capacty Capacity <br />Class D w/o Class D w/ Class B w/o Class B w/ <br />Freeboard Freeboard Freeboard Freeboard <br />Roughness Coefficient: 0.0527 0.1511 <br />Structure #i [Pond1 <br />RP-4 Pond <br />Pond Inputs: <br />Initial Pool Elev: 5,507.00 <br />Initial Pool: 11.86 ac-ft <br />*Sediment Storage: 1.55 ac-ft <br />Dead Space: 20.00 <br />*Sediment capacity based on Average Annua/ R of 16.6 for 20 year(s) <br />Drop Inlet <br />Riser <br />fLSer <br />Height Barrel <br />I <br />Barr <br />lope <br />a <br />' <br />ft <br />Diameter <br />() ft <br />% <br />Diameter Len <br />th <br />9 () ( ) Manning <br />s n Spillway Elev <br />(in) (in) <br />36.00 7.15 30.00 66.00 2.00 0.0150 5,507.00 <br />Pond Results: <br />Peak Elevation: 5,507.43 <br />H'graph Detention Time: 1.17 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.73 days <br />Trap Efficiency: 98.38 <br />Dewatering time is ca/cu/ated fiom peak stage to lowest spi//way <br />Elevation-Capacity-Discharge Table <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge Dewater <br />Time <br />(~) (hrs) <br />5,444.58 1.204 0.000 0.000 Top of Sed. Storage <br />5,500.00 1.290 0.523 0.000 <br />5,500.50 1.340 1.181 0.000 <br />5,501.00 1.390 1.863 0.000 <br />5,501.50 1.440 2.570 0.000 <br />5,502.00 1.490 3.303 0.000 <br />5,502.50 1.530 4.058 0.000 <br />5,503.00 1.570 4.833 0.000 <br />Filename: RP-4 terrace -final configuration - 1 OOyr.srA Printed 07-28-2004 <br />