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Table 4.8-3. Diversion ditch sizing. <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 />Ks' /2 <br />(4) Flow velocity v = Q/A <br />(5) Manning's n = 0.06 <br />Fr4-6-31 07/16 <br />4-177 <br />Revision: -TA -// 7 <br />Approved: <br />Peak Flow <br />b <br />D <br />Slope <br />v <br />Diversion <br />(cfs)(1) <br />(ft)(2) <br />(ft)(3) <br />(ft/ft) <br />fps(4) <br />Far East Buzzard No. 1 <br />0.7 <br />0 <br />0.44 <br />.02 <br />1.5 <br />East Pyeatt No. 3 <br />51.0 <br />17.0 <br />0.45 <br />.05 <br />6.3 <br />South No. 3 <br />0.1 <br />1.1 <br />0.05 <br />.07 <br />1.7 <br />South No. 4 <br />8.2 <br />1.0 <br />0.66 <br />.04 <br />5.3 <br />Deer No. 1 <br />5.0 <br />2.0 <br />0.35 <br />.07 <br />5.3 <br />No Name No. 1* <br />N/A <br />0 <br />0.25 <br />.03 <br />N/A <br />No Name No. 2* <br />N/A <br />0 <br />0.25 <br />.02 <br />N/A <br />West Pyeatt No. 1 <br />72.0 <br />12 <br />0.43 <br />.156 <br />13.04 <br />West Flume No. 1 <br />18.0 <br />0 <br />1.32 (5) <br />.03 <br />3.4 <br />West Flume No. 2 <br />14.9 <br />0 <br />1.17 (5) <br />.04 <br />3.5 <br />Horse <br />1.0 <br />0 <br />0.47 <br />.096 <br />2.2 <br />East Middle Flume A98-3** <br />-- <br />-- <br />-- <br />-- <br />.08 <br />East Flume*** <br />-- <br />-- <br />-- <br />-- <br />-- <br />Deal Diversion **** <br />5.15 <br />0 <br />0.59 <br />.021 <br />3.74 <br />Deacon/Jeffway Diversion Sections: <br />***** <br />South <br />0.05 <br />0 <br />0.06 <br />.089 <br />1.75 <br />Central <br />2.42 <br />0 <br />0.34 <br />.088 <br />5.34 <br />North <br />2.42 <br />0 <br />0.30 <br />.117 <br />5.63 <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 />Ks' /2 <br />(4) Flow velocity v = Q/A <br />(5) Manning's n = 0.06 <br />Fr4-6-31 07/16 <br />4-177 <br />Revision: -TA -// 7 <br />Approved: <br />