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<br /> <br />LOSS COEFFICIENT Ke FOR i <br /> VARIOUS ENTRANCE TYPES <br /> D SCALE ENTYPECE COEFFICIENT DESIGN CRITERIA: <br /> - TYPE (3) INLET STRUCTURE <br /> (1) Headwall, sq. edge; of End 0.5 (PROJECTING FORM FILL) <br /> Section conforming to fill - HW~D =2 <br /> slope <br /> (2) Mitered to conform to slope 0.7 <br />- CFS = 32.55 (ntou s[or~a) <br /> (3) Projecting from fill O,g <br /> 100 T 10000 <br /> 8000 I <br />188 <br />( ~ <br /> T <br />158 8000 <br />g ~2~ <br /> 144 4000 5 8 ~3~ CULVERT SPECIFICATIONS = <br /> 132 3000 5 8 30.5" DIAMETER OR LARGER <br /> m <br /> 120 °~ 2000 4 5 <br /> 108 ; 3 4 <br /> 98 ~ 1000 3 <br /> y 800 3 <br /> <br /> ~ 84 800 2 <br /> - 500 2 <br /> F 72 400 <br /> <br /> 0 300 ~ <br />5 <br />1 <br /> ~ . <br /> 80 200 ~ 1.5 <br /> ~ " 1.5 <br /> c 54 u <br /> `0 N <br />48 u 100 <br />BO u <br /> `m ° 80 ° 1 <br /> 42 0, 50 e 1 <br />' <br /> c ° 32.55 CFS a .9 1 <br /> 38 9 <br /> 20 8 . <br /> 90.3' DIA 30 c n ' 8 .9 <br /> <br /> m 27 10 u .8 <br /> ~ 8 y <br />= .7 <br /> U 24 8 .7 <br /> 5 <br />.7 <br /> ~ 21 4 8 <br /> c 3 . .8 <br /> 18 <br /> rn 2 .8 <br /> <br /> 15 .5 <br /> 1 .5 <br /> .5 <br /> <br />HEADWATER DEPTH FOR ~~w, wos _ rn~awoo <br />CORRUGATED STEEL PIPE CULTERTS ~ •~~~ <br />WITH INLET CONTROL Nn xosrraw INNB <br />HANDBOOK OF STEEL DRAINAGE do HIGHWAY CONSTRUCTION PRODUCTS C-115 <br />COPYRIGHT 1971, AMERICAN IRON AND STEEL INSTITUTE <br /> <br />WBRARY OF CONGRESS CATALOG CARD NO.: 78-174344 INLET CONTROL <br /> <br /> :mow...-~o-~... <br /> <br />