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Elevation Area <br />(ac) <br />Capacity <br />(ac-ft) <br />Discharge <br />(cfs) <br />Dewater <br />Time <br />(hrs) <br />103.00 0.654 0.933 0.000 <br />104.00 0.735 1.628 0.000 Spillway #1 <br />105.00 0.843 2.416 2.094 4.56* <br />106.00 0.872 3.273 4.414 7.70 Spillway #2 <br />107.00 0.872 4.145 53.583 11.70 <br />107.44 0.872 4.531 106.445 0.75 Peak Stage <br />108.00 0.872 5.017 173.190 <br />Detailed Discharge Table <br />Elevation <br />(ft) <br />Straight Pipe <br />(cfs) <br />Emergency <br />Spillway (cfs) <br />Combined <br />Total <br />Discharge <br />(cfs) <br />100.00 0.000 0.000 0.000 <br />101.00 0.000 0.000 0.000 <br />102.00 0.000 0.000 0.000 <br />103.00 0.000 0.000 0.000 <br />104.00 0.000 0.000 0.000 <br />105.00 (3)>2.094 0.000 2.094 <br />106.00 (5)>4.414 0.000 4.414 <br />107.00 (6)>5.182 48.400 53.583 <br />108.00 (6)>5.793 167.398 173.190 <br />Structure #7 (Riprap Channel) <br /> Streeter Ditch SD-1 to SD-2 <br /> Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope (%)Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x <br />(VxD) <br />15.00 3.0:1 3.0:1 4.4 3.16 <br /> Riprap Channel Results: <br />Simons/OSM Method - Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 109.89 cfs <br />Depth: 0.84 ft 4.00 ft <br />Top Width: 20.04 ft 39.00 ft <br />Velocity*: <br />X-Section Area: 14.71 sq ft <br />Filename: Section 3 Ponds 100 Year 24 Hour.sc4 Printed 09-18-2024 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 11