Laserfiche WebLink
f <br /> <br />'~ 30.0 <br />2o.a <br />r <br />Z 100 <br />9.0 <br />~ 80 <br />__ 70 <br />~ FO <br />~ 5.0 <br />Q 40 <br />W 3.0 <br />z <br />20 <br />102 3 4 $ 6 7 8 9 10 20 30 40 50 60 7080 100 <br />Q <br />W <br />HEADWATER REQUIRED FOR CREST CONTROL <br />FEDERAL NIGHWAV ADMINISTRATION I <br />OCTOBER 1871 I ~ _ ~. <br /> <br />_ ~ <br />- <br />- <br />- <br /> ( ll I _ ~ <br />I ~ <br /> <br />I -. <br /> ' <br />' <br />' 1 <br />J I <br /> i _~ <br /> <br /> _ -- I-__ - _ FACE i <br />~__ I <br />- <br />- _ <br />SECTION <br />- <br /> - I <br /> THROAT <br /> - - - 1i~ <br /> 0 <br /> <br /> <br />- - -_ CREST /~S <br />'~~, _ <br />~c3:~ -~. <br />ELEVATION <br />L <br /> -- -- - <br /> W ~ B <br /> - <br /> r PLAN <br />200 300400 500 <br />q . z ~,I ~ ~s <br />W = Ib <br />[- f7 <br />n <br />d <br />h-+ <br />ti <br />t.. <br />,..: <br />? ;' <br />~~. <br />~::.; <br /> <br />-:~ <br />