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<br />. <br /> <br />, <br /> <br />':"~:;';;;'~~;';;~;;~."""': <br /> <br />: Ve~sion 4.6.2; May 1991 <br />RON DATE 09SEP97 TIME 07,47,22 <br />""""".............................................."................. <br /> <br />.- <br /> <br />u . S. AU<< CORPS OF ImGDlEERS <br />HYDROLOGIC ENGINEERING CENTER <br />609 SECOND STRZET, SUI'1'Z 0 <br />DAVIS, CALIPORNXA 95616-4687 <br />(916) 756-1104 <br />.......................................................... <br /> <br />x X= <br />X X X <br />X X X <br />XXXXXllX """" <br />X X X <br />X X X <br />X X = <br /> <br />== <br />X X <br />X <br />X <br />X <br />X X <br />== <br /> <br />== <br /> <br />== <br />X X <br />X <br />= <br />X <br />X <br />= <br /> <br />1 <br /> <br />09SEP97 <br /> <br />07:41:22 <br /> <br />PAGE <br /> <br />1 <br /> <br />DUTCH CRDK IHPROVEIIEN'l'S - IaOIIIl - AB-BtT.tLT', FLOODWAY MODEL <br />DUTCH CREBK, MOtr1'R OP SOO'rH PLA'1"rB RrvER TO OPSTltBAll OP FURWAY I.ANZ <br />LOVB I: ASSOCUTES, INC. 9432ECFW.DAT 9432B 9/'/97 <br /> <br />'nUS RUN EXECt1TED 09SEP97 <br /> <br />07:47:22 <br /> <br />........"..."......."..."..........."".......""" <br /> <br />HEC-2 WATEl't SURFACE PROFILES <br /> <br />..~:~=~~~ '''".~~ ~ ~;~....~~.~~;;....,,""""""" <br /> <br />THIS HEC-2 MODEL MODELS A PROPOSED 92' BO'l"I'OM WIDTH TRAPEZOIDAL <br />CHANNEL WITH A .2' DEEP BY 15' WIDE P.ECTANGULAR LOW FLOW CHANNEL <br />WITHIN IT. <br />FROM XIS 1285 '1'0 XIS 1820 'nm SIDE SLOPES ARE 4:1 <br />FROM XIS 1950 TO XIS .3111 THE SIDE SLOPES ARE 3:1. <br /> <br />WATER SURFACE CALCULATJ:ONS START WITH A KNOWN WATER SURFACE ELEVATION <br /> <br />THE NORKAI. BRIDGE METHOD IS BEING USED TO MODEL FOUR . 4' X 16' <br />CONCRETE ARCH CULVERTS AT THE LOW FLOW CROSSINGS <br />THE SPECIAL BRIDGE METHOD IS BEDlG USED TO MODEL THE <br />RCB CULVERTS AT FAIRWAY LANE <br /> <br />FROM CROSS SECTIONS 1037 TO 4385. THE LOCATION OF 'I'HE CROSS SECTIONS <br />00 NOT MATCH THOSE IN THE REGULATORY HODEL <br /> <br />T1 <br />T2 <br />T3 <br /> <br />DUTCH CREEK IMPROVEMENTS <br />LOMR Submittal LOVE <br />94J2JLFW . OAT 9432H <br /> <br />- FINAL DESIGN 1"loodway <br />" ASSOCIATES. me. <br />914197 <br /> <br />Jl ICHECK <br /> <br />INQ <br /> <br /><am <br /> <br />IDIR <br /> <br />STRT <br /> <br />METRIC <br /> <br />nvINS <br /> <br />Q <br /> <br />WSEL <br /> <br />FQ <br /> <br />J2 NPROF <br /> <br />IPLOT <br /> <br />PRFVS <br /> <br />XS'CV <br /> <br />XSECH <br /> <br />FN <br /> <br />ALLOC <br />-.10 <br /> <br />IBW <br /> <br />5323.87 <br />CHNIM <br /> <br />I'l'RACE <br />15 <br /> <br />1 <br /> <br />-1 <br /> <br />J3 VARIABLE CODES FOR SUMMARY PRINTOtlT <br /> <br />150 200 <br /> <br />J6 IHLEQ <br /> <br />ICOP'{ <br /> <br />SOBDIV <br /> <br />STRTDS <br />1037 <br /> <br />RMILE <br /> <br />History <br />Hodel 9432c_E.dat - CLOMR lIIOdel, proposctd conditions <br />12126/96 _ Model 9324C_El.dat revised XS 4270 and 4216 for two 12x25-ft box, <br />revised n <br />9/4/97 Model 9342H.dat As-huilts <br /> <br />CONFLUENCe: 01" SOUTH PLATTE RIVER <br /> <br />1 <br /> <br />09SEP97 <br /> <br />07:47:22 <br /> <br />PAGE <br /> <br />2 <br /> <br />QT 2 7400 7400 <br />NC .04 .04 .055 .1 .3 <br /> f'loodway Floodplain <br />Xl 1037 . 180 370 0 0 0 <br />GR 5325 164 5321 1SO 5320 200 5320 260 5319.13 274 <br />GR 5319.1 '" 5322 370 5322 .00 5325 ". <br />Xl 1087 . m '" 85 20 50 <br />GR 5326 231 5322 '" 5319.27 267 5319.27 282 5322 '" <br />GR 5323 "5 5326 '" 5327 367 5328 380 <br />Xl 1241 14 21. m 154 154 154 <br />GR 5331 128 5330 151 5327 159 5327 170 5329 183 <br />GR 5327 '" 5326 214 5322 m 5319.70 '" 5319.70 '" <br />GR 5322 362 5327 m 5328 393 5329 'SO <br /> BEGIN 'l'RANSI'I'ION 'I'O EXISTING OUTFALL <br />Xl 1285 10 247.3 393 .6 .. .. .. <br />GR 5331 240.7 5329 '" .3 5322.08 275 5321.83 300 5319.83 300.1 <br />GR 5319.8 315.1 5321.83 3lS .2 5322.35 367 5329 393.6 5331 .00 <br />Xl 1305 . 244.6 '" .. 20 20 20 <br />GR 5331 236.3 5329.5 244. , 5322.14 274 5321.88 300 5319.88 300.1 <br />GR 5319.9 315.1 5321.88 3lS .2 5322.39 366 5329.5 394.4 <br /> 1 <br />