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Manning Formula Uniform pipe Flow at C <br />Printable Title <br />Printable Subtitle <br />lnouts <br />iiven <br />Results <br />Slope and I pth <br />Flow, Q ({iiee notes)r.Q21€cl's v <br />PlnA dltmat6F d-L 1.4821 rsec v <br />5,35 lnv lVelocity h eaq, nv in H2O v <br />Manning roughness,_6 0.012 Flow area ).014i ft,\2 v <br />)ressure slope (possibly ? equal to pipe slope), Si--l 6.oQ rise/run -Wetted pr 'imeter 1.354e ftv <br />Farnanf nf /nr Hydraulic adius ).0414 ftvrv/ ,u,, veHrrr \ rvv/o ur I tr iluwiltg tuilJl 15 Yo Top width T 1.3184 ftv <br />:roude nr 1.22 <br />Average Ehear stress (tractive fofpe), tau I nrE(Psf v <br />/\(t <br />\v /\Irz <br />rtes: <br />ris is the flow and depth inslde the pipe. <br />)tting the flow into the pipe may require significanfly higher headwater depth. Add at reast 1, <br />see my2:minule-lulerial for standard culvert headwater calculations using Hy-g, <br />times the velocity to get the headwater depth <br />Notes: <br />This is <br />Getting <br />or see I