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� <br />CULVERT ANALYSIS SPREADSHEET <br />100 Year Fiow for Waterford Lane. <br />vert. 20°/a countersunk <br />u= <br />Q= <br />A= <br />S= <br />K= <br />M= <br />c= <br />Y= <br />dc = critical deplh = <br />Vc = Velocity at dc= <br />9= <br />TN = Tail wate� <br />L= <br />V= <br />n= <br />R = Hydraulic radius = <br />Ka = <br />irm of Inlet Equation (1 or 2) <br />inlel Mitred (Y or M <br />Headwater (Inlet Control) _ <br />52.00 cfs <br />9.60 ft^2 <br />0.000 fUft <br />0.0083 <br />2.0000 <br />0 0496 <br />0.5700 <br />1.50 ft <br />7.42 f�'S <br />32.20 fUs^2 <br />3.10 ft <br />28.00 ft <br />5.42 fUs <br />0.035 <br />0.76 <br />0.50 <br />1 <br />N <br />2.60 FT <br />Headwater IOuUet Control) = 4.44 FT <br />�h <br />a '��� �s� <br />�, �v , �iS � - <br />. . . . . . �:.'�,�...�p o `. <br />Full depth availabie ror now <br />Flow usetl for analysis <br />Full area available for flow <br />Slope of pipe <br />Constant used for inlet conlrol <br />Constant used (or inlet coNrol <br />Constant used for inlet control <br />Constant used for inlet control <br />Calculate from nomograph or <br />solve using Q^2'T/gA^3 = 1 <br />Gravity constant <br />Calculated tailwater or or (D+dc)/2 if greater <br />Length oi pipe <br />Velocily of tlow thraugh full pipe <br />Mannings number <br />Use nomograph or solve using R= AIP <br />Enlrance loss coeffcienl <br />