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Table 4.8-3. Diversion ditch sizing. <br /> Peak Flow b D Slope v <br /> Diversion (cfs)(1) (ft)(2) (ft)(3) (ft/ft) fps(4) <br /> Far East Buzzard No. 1 0.7 0 0.44 0.02 1.5 <br /> East Pyeatt No.3 51.0 17.0 0.45 0.05 6.3 <br /> South No.3 0.1 1.1 0.05 0.07 1.7 <br /> South No.4 8.2 1.0 0.66 0.04 5.3 <br /> No Name No. 1* N/A 0 0.25 0.03 N/A <br /> No Name No.2* N/A 0 0.25 0.02 N/A <br /> West Pyeatt No. 1 72.0 12 0.43 0.156 13.04 <br /> West Flume No.2 14.9 0 1.17 (5) 0.04 3.5 <br /> Horse 1.0 0 0.47 0.096 2.2 <br /> East Middle Flume A98-3** -- -- -- -- •08 <br /> East Flume*** -- -- -- -- -- <br /> Deal Diversion**** 5.15 0 0.59 0.021 3.74 <br /> Deacon/Jeffway Diversion Sections:***** <br /> South 0.05 0 0.06 0.089 1.75 <br /> Central 2.42 0 0.34 0.088 5.34 <br /> North 2.42 0 0.30 0.117 5.63 <br /> Deal#2 Pond Diversion 9.41 12 1.24 0.07 5.86 <br /> Grouse Diversion to E. Pyeatt 33.36 15 0.49 0.028 4.22 <br /> *Diversion carrying runoff from undisturbed areas. <br /> **Diversion constructed using typical ditch design,(APP Q XVII). <br /> -Diversion not constructed at this time. <br /> ****Deal Diversion model within Deal Pond model,(APP Q XXXVI). <br /> *****Deacon/Jeffway Diversion structure will discharge and be captured in East Ashmore Pit,diversion design in(APP Q XVII). <br /> (1) Peak flow for 10-year,24-hour precipitation event(1.4"of rain) <br /> (2) Diversion bottom width <br /> (3) Flow depth D= Qn )0.375 (Manning's n=0.03) <br /> Ks1/2 <br /> (4) Flow velocity v=Q/A <br /> (5) Manning's n=0.06 <br /> [T4-8-31 07/19 <br /> 4-177 Revision: <br /> Approved: <br />