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Doc Date:1 211 112 0 01 <br />LOSS COEFFICIENT Ke FOR <br />VARIOUS ENTRANCE TYPES <br />HW SCpLE ENTRANCE COEFFICIENT <br />D TYPE <br />(1) Headwall, sq. edge; o[ End 0.5 <br />Section conforming to till <br />slope <br />(2) Mitered to conform to slope 0.7 <br />(3) Projecting from till p,g <br /> 180 10000 <br /> 188 T 8000 <br />~1~ <br /> I58 soon 8 ~2~ <br /> T 5000 <br />8 <br /> 144 4000 5 (3) <br /> 132 ~ 3000 5 8 <br /> <br /> 120 °' 2000 4 5 <br /> 108 7 3 <br /> 4 <br /> gg a 1000 3 <br /> v 800 3 <br /> i <br /> ~ 84 800 2 <br />~ 500 2 <br /> ~ 72 400 <br /> <br /> ~j 300 ~ <br />1.5 <br /> 200 7C 1 <br />5 <br /> 60 . <br /> ' ~ 1.5 <br /> 0 54 y u <br /> `0 48 0 <br />80 E <br />m <br /> m ~ 60 a 1 <br /> y 42 50 C <br /> <br />n 0, <br />40 1 <br /> <br />d o <br />38 m f <br />30 u <br />'g <br />I <br /> 9 <br /> 90 20 .8 <br /> c ~ 8 .9 <br /> <br /> 27 10 c 8 <br /> u 7 . <br />`0 24 B 5 .7 <br /> <br /> 5 <br />.7 <br />m 21 4 8 <br />'c 3 . .8 <br />m 1B <br />N 2 .8 <br /> 15 .5 <br /> I 5 <br />.5 <br />HEADWATER DEPTH FOR <br />CORRUGATED STEEL P[PE CULTERTS <br />WITH INLET CONTROL <br />HANDBOOK OF STEEL DRAINAGE & HIGHWAY CONSTRUCTION PRODUCfS <br />COPYRIGHT 1971, AMERICAN IRON AND STEEL INSTITUTE <br />LIBRARY OF CONGRESS CATALOG CARD NO.: 78-174344 <br />•6 xn~eo ~~u~e <br />INLET CONTROL <br />