_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

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FLOODING SOURCE /O YR. FLOODFLA/N DATA 50 YR. FLOODPLA/N DAT 00YR. FLOODPLA/N DATA
/DENT/F/CAMN CROSS STATION 1 DISCHARGE FLOOD
FLOOD FLOOD
DISCHARGE LEV (m.s./lD/SCHARGEE LEVECO ELEV (M.S.
(m.S./.J
49220 492+20 1130 5715.1 3550 5719.1 9100 5721.7
49505 495+05 1130 5721 .6 3550 5724.8 9100 5728.6
Bridge to Residences 49540 495+40 1130 5722.6 3550 5726.5 9100 5732.7
49890 498+90 1130 5730.3 3550 5733.3 9100 5737.6
50210 502+10 1130 5739.9 3550 5743.6 9100 5747.5
50515 505+15 1130 5749.2 3550 5752.7 9100 5756.9
50860 508+60 1130 5762.7 3550 5766.3 9100 5770.0
51065 510+65 1130 5771.0 3550 5775.1 9100 5781.1
Bridge (Local Access) 51129 511+29 1130 5772.6 3550 5776.6 9100 5784.4
Upstream Study Limit 51260 512+60 1130 5776.0 3550 5779.7 9100 5786.3
- DRY CREEK NO. 2 DITCH SPLIT FLOW PROFILE
Downstream Study Limit 6445 34+80* ALL FLOW N SOUTH 2680 5220.0 8850 5220.8
3800 38+00* BOULDER C EEK MAIN CHANNEL 2680 5220.1 8850 5221.1
7170 43+50* 2680 5223.6 8850 5225.2
Downstream Side of Arapahoe Rd 7590 47+30* 2680 5228.1 8850 5228.9
Upstream Side of Arapahoe Rd 7701 49+50* 2680 5232.9 8850 5233.5
5400 54+00 1000 5233.0 7100 5234.0
6000 60+00 800 5237.6 5700 5238.6
6520 65+20 600 5241 .9 4800 5242.7
7050 70+50 400 5246.7 3400 5247.7
7305 73+05 100 5249.1 800 5249.8
10838 76+60 4980 ** 11500 **
1 Stationing from mouth (feet).
* Stationing along Dry Creek No. 2 Ditch profile reference line (feet) .
** Upstream limit of split flow - see first page of this table for floodplain data for main channel .
GREENHORNE and O' MARA, INC. URBAN DRAINAGE AND FLOOD CONTROL DISTRICT FLOODPLAIN REFERENCE DATA
Engineers • Architects • Planners • Surveyors • Phdogmmmetrists BOULDER COUNTY TABLE
1325 Smile CabradoSeW. d-SWO 405•Denver,Were& ea222.(303)759.525o SOUTH BOULDER CREEK 3
Wont.)
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