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<br />
<br />Original Stream Slope: S percent
<br />
<br />NOTE: Charts 29, 31, and 33 are used in
<br />this solution.
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<br />
<br />ExamDle Problem No, 3
<br />
<br />Design a culvert to pass a 2S-year
<br />flow of 220 fts/s. Minimum depth of
<br />cover for this culvert is 2 ft.
<br />
<br />Tailwater Depth: 4 ft
<br />
<br />Approximate Culvert Length: ISO ft
<br />
<br />Elevation of Stream Bed
<br />at Culvert Face (ELsr): 100 ft
<br />
<br />Due to the low available cover over
<br />the conduit, use an elliptical concrete
<br />pipe. Use of a small depression (FALL)
<br />of about I ft at the inlet is accept-
<br />able.
<br />
<br />ELhd: 105 ft based on adjacent structures
<br />
<br />Shoulder Elev.: 10S.S ft
<br />
<br />I"ftOaCT: c;.AMPI.E
<br />CHAP1'fJ? m
<br />
<br />PROSLEM Wa, 3
<br />HOS JoJa, S
<br />
<br />STATION ._~~q. __.__
<br />SHElET { OF---1-.
<br />
<br />CULVERT DESIGN FOAM
<br />
<br />DESIGNER/CAn:. W.JJ I I
<br />REVIEWElt/OATE:..J!J:dJL-1 ilia
<br />
<br />10. -, ......RO...OW...T (LEVAnOll lD.i..L. '.fI'
<br />(".... 7." IHI, .)
<br />
<br />t '7- - , -""'?~. r-
<br />. _,' t.L...(Lo/l 1000 U.1 s.:~ ,I"
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<br />nl~I"l Lnu -'"""--~~-~~ r--L.
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<br />IIYDlIIOLOGt(;AL DATA
<br />oo 0 "UMOO "AT'ONAL.
<br />aD o.......Au."u..110A'.Q S'M.u,lSt.Clf'C~
<br />"; 0 C:_"~L"'u(' SEIoft. C,~CUI.AR
<br />; ~IIN)UTII'G 4~jl=!O ~D.O O'H(flJePiH ~
<br />FMPj( VU.f'IN,
<br />D€SIGN f'UhIlS/TAI!".J!I!1J!!.
<br />II I lYE..SI ....o.tel.) '.lItl
<br />t. ISO II'- 4.,0
<br />-<< A1't.D~. ROUTEO ~LOW ~ATE
<br />
<br />CUL~IIT~:
<br />....n....L.....&fI1t_SIU.(..""AlCl
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<br />COIllIllENT$
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<br />II . '1 .. '.(".~ 1&0 - f.G~ ;.&
<br />.t _ W _ II K ~ _ II 160 - r.~~ 5.&
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<br />m ...~.,.. In,.! L1I"US ],,1,1,
<br />le:l n... tL.'"'~.
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<br />III uSl:0 "..__CUl.Wln'l
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<br />ISI f""""-_t_ll4rfL.oll, f""""._
<br />
<br />141n."...N.;.1:4IfWOtTDf
<br />""""TCOIITItOl.JlC:1lONI
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<br />LMD__
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<br />1COIIM1:1l...'otllCU"IOM'
<br />~IG~ aUTLH VELOC/TV - c;ECK STR.E"'M
<br />&EO ST"'SILITY
<br />
<br />~~ ~1.1frFCTtD'
<br />IUI't:: N(J~IZDtJ'T.4L ELLIP~E
<br />....U.II'.."': Ca&lC. _ .'11'1.
<br />..TU.Ce.: GRaaVe E~n
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<br />56
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