|
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />I
<br />
<br />FLOODING SOURCE FLOOD PLAIN DATA FLOODWAY DATA(1)
<br /> CROSS STATION 0100 STREAM 100YR. 10OYR. 100 YR. FLOODWAY WIDTH (FT)(2) FLOODWAY
<br />IDENTIFICATION BED ELEV. FLOOD ELEV. ELEV.
<br /> SECTION (FT) (CFS) (MsLl (MSL) WIDTH (FT) R. BANK L. BANK TOTAL (MSL)
<br />AT WESTRIDGE ARTERIAL 31 58 + 00 1889 5,629.3 5,632.6 110
<br /> 32 60 + 70 1889 5,631.0 5,635.6 88
<br />AT CHECK DAM 33 61 + 00 1889 5,636.0 5,640,0 200
<br /> 34 63 + 20 1889 5,634.0 5,641. 5 189
<br /> 35 65 + 00 1889 5,636.2 5,641.5 62
<br /> 36 67 + 00 1889 5,640,0 5,645,1 142
<br /> 37 68 + 00 1889 5,645.6 5,647.4 195
<br /> 38 70 + 00 1889 5,648.4 5,650.2 261
<br /> 39 71 + 00 1648 5,648.4 5,651.2 226
<br /> 40 73 + 00 1648 5,649.6 5,653.2 193
<br /> 41 74 + 00 1648 5,651.8 5,654.4 212
<br /> 42 76 + 00 1648 5,655.9 5,657.4 250
<br /> 43 78 + 00 1648 5,656.8 5,660.5 241
<br /> 44 80 + 50 1122 5,660.8 5,663,5 191
<br />AT CHECK DAM 45 81 + 05 1122 5,665.0 5,666.5 184
<br /> 46 83 + 00 1122 5,663.0 5,667.6 197
<br /> 47 85 + 00 1122 5,665.2 5,668.7 83
<br /> 48 86 + 00 1122 5,665.8 5,670,0 58
<br /> 49 88 + 00 1122 5,668.8 5,672.9 86
<br /> 50 90 + 00 1122 5,875.8 5,677.3 237
<br /> 51 92 + 00 1122 5,678.4 5,680.4 268
<br /> 52 94 + 00 1122 5,680.9 5,682.3 209
<br /> 53 96 + 00 1122 5.682.9 5,684.6 158
<br /> 54 98 + 21 1122 5,683.2 5,687.1 170
<br /> 55 100 + 23 1122 5,684.8 5,689.6 52
<br /> 56 101 + 75 1122 5,688.3 5,691. 9 53
<br />AT CHECK DAM 57 102 + 59 1122 5,689.1 5,693.2 60
<br /> 58 104 + 00 1122 5,694.8 5,697.1 251
<br /> 59 106 + 00 1009 5,697.8 5,700.5 290
<br /> 60 107 + 55 1009 5,700.3 5,702.8 314
<br />* STATION 104+00 (SHEET 5) = STATION 104+64 (SHE T 4)
<br /> "
<br />
<br />(1) FLooDWAY DATA ARE BASED ON ENCROACHMENT CAUSING UP TO 0.5 FT. VERTICAL RISE IN THE 100 YEAR
<br />FLOOD ELEVATION. WHERE FLOODWAY DATA ARB: NOT GIVEN, THE FLOODWAY SHALL BE ASSUMED EQUAL TO THE .'
<br />FLOOD PLAIN.
<br />
<br />(2) LEFT AND RIGHT DISTANCES ARE MEASURED FROM CHANNEL REFERENCE LINE LOOKING UPSTREAM.
<br />
<br />::?~~ Jack G./bub Company
<br />;ff"l"'~ ,,-'" · -
<br />i'i~.." ..'~ Nn_~__.,-,,_.~lIO/76
<br />100 ::W,{fit' (JOJ'P"',-,
<br />{".-'
<br />
<br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
<br />FLOOD HAZARD AREA DELINEATION
<br />DOUGLAS COUNTY
<br />
<br />FLOOD PLAIN AND FLOODWAY REFERENCE DATA
<br />SPRING GULCH
<br />
<br />TABLE 3
<br />PAGE 2
<br />
<br />__'C'_"',,,'-" --._~.._,_._.._,..____~__._.~_.~_ ....._ "-..".__,'~_'~
<br />
|