_REVISION - M1981302 ‎(117)‎

• Permit No: M1981302
• IBM Index Class Name: Revision
• Doc Name: FLOOD HAZARD AREA DELINEATION SOUTH BOULDER CREEK JULY 1986
• Type & Sequence: AM2
• Media Type: D
• Archive: No

FLOODING SOURCE /00 YR. FLOOOPLA/N DATA FLOODW4Y DATA Z
/DENT/F/CAT/ON CROSS gTAT/ONI D/ CHARGE THALWEG FLOOD FL00011- F400DWAY WiDry FLOODWAY
ECT/O ELEV. (ms/. ELEV. (m.S�/.J W/DrH FEET) LEFT (fEET) R/rSHT (FEET) TOTAL (fEETJ ELEV. (m.s./.)
34855 348+55 5740 5490.5 5497.11 735 203 f2953 192 (196) 349 475)) 5491.8 (5491.6)
184 295 �479) 5497. (5497.3)
35240 352+40 5740 5495.8 5501.8 600 56 (136) 179 (225) 235 (361) 5502.5 (5502.2)
35995 359+95 5740 5506.4 5513.3 1195 433 (690) 26 (26) 459 (716) 5514.0 (5513.7)
36580 365+80 5740 5515.4 5519.7 1100* 410 (585) 102 (102) 512 (687) 5520.5 (5520.0)
37160 371+60 5540 5522.4 5526.6 1280* 366 (522) 85 (85) 451 (607) 5527.3 (5526.9)
37590 375+90 5540 5526.8 5532.4 1055* 140 (332) 28 (28) 171 (360) 5533.1 (5532.6)
38140 381+40 5540 5534.1 5540.0 1280* 117 (156) 123 (133) 240 (289) 5540.7 (5540.3)
38720 387+20 5540 5542.2 5547.8 1125* 214 (293) 55 (58) 269 (347) 5548.4 (5548.2)
39575 395+75 5540 5554.0 5559.5 1000* 212 (598) 30 (30) 242 (628) 5560.0 (5559.5)
39764 397+64 5540 5557.2 5562.6 1085* 140 (504) 120 (120) 260 (624) 5563.3 (5562.5)
40130 401+30 5540 5560.3 5567.4 900* 61 (185) 42 (61) 103 (246) 5568.1 (5567.6)
40960 409+60 5540 5570.4 5578.7 750* 118 (245) 46 (46) 164 (291) 5579.5 (5579.0)
41630 416+30 5540 5580.8 5587.0 865* 232 (232) 260 (263) 492 (495) 5587.2 (5587.2)
42370 423+70 5540 5591.6 5596.6 690 393 (518) 28 (28) 421 (546) 5597.3 (5597.0)
Doudy Draw 43005 430+05 5340 5599.1 5605.5 415 46 (73) 91 (111 ) 137 (184) 5606.4 (5605.9)
43690 436+90 5340 5608.8 5616.1 480 25 (25) 210 (285) 235 (310) 5616.3 (5616.2)
Fire Access Bridge- 43723 437+23 5340 5609.7 5618.3 460 25 (25) 225 (285) 250 (310) 5618.3 (5618.3)
City of Boulder 44005 440+05 4800 5614.2 5620.8 320 62 (62) 95 (143) 157 (205) 5621.4 (5621.1)
Mountain Parks 44095 440+95 4800 5615.9 5621.9 265 30 (30) 75 (129) 105 (159) 5622.3 (5622.1)
44740 447+40 4800 5627.4 5633.1 495 64 (64) 138 (211) 202 (275) 5634.0 (5633.6)
45360 453+60 4800 5635.3 5644.1 755 265 (340) 15 (15) 280 (355) 5644.3 (5644.0)
46305 463+05 4800 5650.4 5658.2 555 36 (36) 236 (293) 272 (329) 5659.1 (5658.6)
46700 467+00 4800 5658.3 5665.5 360 78 (78) 49 (49) 127 (127) 5665.6 (5665.5)
47130 471+30 4800 5665.8 5673.7 220 55 (74) 25 (25) 80 (99) 5674.1 (5673.9)
47595 475+95 4800 5674.8 4682.5 325 19 (30) 143 (156) 162 (186) 5683.3 (5682.9)
48040 480+40 4800 5684.4 5692.1 280 120 (150) 40 (40) 160 (190) 5692.2 (5692.2)
48105 481+05 4800 5692.0 5695.7 300 135 (185) 27 (47) 162 (232) 5696.5 (5696.1)
48540 485+40 4800 5694.1 5701.5 260 50 (50) 36 (36) 86 (86) 5701.5 (5701.5)
Eldorado Springs 48915 489+15 4800 5702.6 5713.1 175 30 (30) 27 (27) 57 (57) 5713.3 (5713.3)
Stationing from mouth feet .
2 Floodway data in parenthesis ( ) represent floodway based on 0.5 ft rise in Energy Grade Line (EGL)- all other floodway data pertains to encroachment
for 1 foot rise in EGL- widths relative to channel centerline looking downstream.
* Width includes island area(s) and/or other high ground between outer floodplain boundaries
GREENHORNE and O'MARA, INC. URBAN DRAINAGE AND FLOOD CONTROL DISTRICT 100-YEAR FLOODPLAIN AND FLOODWAY
Engineers • Architects • Planners • Surveyors • Phdogrommehists BOULDER COUNTY REFERENCE DATA TABLE
1325 Sven Cmwedo eweerwe•.$INe 40e•Denver.Colonae e0222.(303)?58-=D SOUTH BOULDER CREEK Wont.)
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