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<br />~ e <br /> CHART I <br /> 12 <br /> " 600 (I) (2) (3) <br /> 500 EXAMPLE 6 9 10 <br /> 10 5'1( 2' BOil Q=75ch 8 <br /> 400 7 <br /> Q/S :: 15 ch/ft. 7 8 <br /> 9 HW HW 6 <br /> 300 Inlet 6 7 <br /> , 0- feet 5 <br /> 6 <br /> (I) 1.75 3.5 5 <br /> 8 (2) 1,90 3.8 5 <br /> 200 4 <br /> (3) 2.06 4.1 4 <br /> . 7 4 <br /> 3 <br /> 3 <br /> f- 3 <br /> 6 0 100 <br /> 0 <br /> ... 80 0 <br /> "- 2 <br /> '" ~ 2 <br /> UJ <br /> a. 60 :!; -- 2 <br /> 5 '" /f- <br /> ... 50 <br /> <> / ~ 1.5 <br /> f- 1.5 <br /> UJ . ~ 40 ./' UJ <br /> UJ ../ :I: 1.5 <br /> ... iil ... <br /> ~ 4 "- 30 #Y 0 <br /> g ...... <br /> B '" <br /> :I: /" ::E <br /> f- <br /> . )( e 20/ 0: <br /> 0 UJ 1.0 <br /> lD ;0 / f- <br /> ... :?' z <br /> 0 .9 1.0 1.0 <br /> f- 3 /'UJ _..~ :I: <br /> f- <br /> :I: / '" WlnOWGll a. <br /> !!! '" 10 FIliI' -+ UJ .8 .9 .9 <br /> UJ ../ '" 0 <br /> :I: :I: <br /> ../ <> 8 0: <br /> '" UJ 8 J._ <br /> ./' 0 f- .7 <br /> '" <br /> ../ ... 6 ;0 <br /> 0 0 <br /> / 5 HW SCALE WINGWALL '" .7 .7 <br /> 0 UJ <br /> ~ f- 4 0 FLARE :I: .6 <br /> '" <br /> 0: (I) 30. to 75D <br /> 3 (2) 90-and 15. .6 .6 <br /> (3) 00 (Illtensions .5 <br /> 2 ofsidu} <br /> .5 .5 <br /> 1a use Icole (2) or (3) project <br /> horizontally to Icale (Il, then <br /> . useSlrai;htinclin.dliulhrOllvl't .4 <br /> o and Q seol.., Dr reverse os <br /> illustrated. <br /> .8 .4 .4 <br /> .6 <br /> .5 .30 .35 .35 <br /> <br />e <br /> <br />BUREAU OF PUBLIC ROADS JAN. 1963 <br /> <br />FOR <br />WITH <br /> <br />HEADWATER DEPTH <br />BOX CULVERTS <br />I NLET CONTROL <br /> <br />5-21 <br />