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1 <br />DRAINAGE CRITERIA MANUAL <br />3~ II CUI.IJC~ <br />INLETS 9 CULVERTS <br /> 1/O Io.000 <br />/ <br />~ <br />~ ~PE <br />(I ) <br /> ~ , <br /> 16/ /,000 f.N WW Il0 Nrl / IZI <br /> t,/00 MMN• (3~ <br /> NI /,000 ~• ~ a. {. <br /> lae a,ooo Ih•Il 6 s. <br /> ~ <br />d 111 Lt 1.t <br /> Ito ~ t,000 A 61 tt ~ !. <br /> ~ A t.t N <br /> 10/ t s. 4. <br /> •s r e.N <br /> <br />_ ~ +~ I,ooo b• <br /> tloo a. <br /> M w {00 t, <br /> 000 <br /> X00 /. -- 2 t. <br />a <br />W 7t <br />a0~ ~ / ` - <br /> <br /> <br /> s <br />t, <br />L a <br />~ I <br /> / <br />r W >f <br />100 / <br /> <br />s <br />`W w g fob / /~~..'{ y '] o <br />a ~/ ~ ~.o <br />>o [NTN~NG[ et <br />M p {G~l[ Tt-[ ~ .f <br />~ s! to 111 Ilrt•MI ~ .t .• <br />o <br />a0 ~ <br />N w11rN r rNww W <br />• <br />= . t <br />J <br /> n to a MN.Nw <br /> .~ .~ <br />a • <br /> t+ .~ <br /> • <br /> a <br /> ~• W rW Itl r Ill tr•MI <br /> tl ~ MItrlNlfrrw•III,IW • <br /> Nw/ wrwM11r11W IIr IMr/t , •• <br /> S t W• rrw, r nwrr r .• <br /> (• IIMbrN. <br /> t <br /> 16 .S <br /> 1.0 S <br />~` <br />1t <br />I l- Is -se <br />owls 11Nr.•.1 Glncll N M.r•.«Ir <br />HEADWATER DEPTH FOR <br />C. M. PIPE CULVERTS <br />iMITH INLET CONTROL <br />FIGURE b -9. <br />