Laserfiche WebLink
<br />TABLE 1-1 (Continued) <br /> <br />I <br />I <br /> <br />SUMMARY 100-YEAR PEAK FLOOD FLOW HYDROLOGY COMPARISONS <br />SOUTH BOULDER CREEK (SBC) AND WEST VALLEY OVERFLOW (WVO) <br />(flow in cubic feet per second (cfs)) <br /> <br />I <br />I <br /> <br />LOCATION VALUES USED SWMM TEA PHASE III HYDROLOGY <br /> IN HEC-2 MODEL BY sbc ltd.out MODEL <br /> FLOODPLAIN USACE 1977 ELEMENT ELEMENT <br /> 'SIMUL TANEOUS <br /> FLOW SBe & WVO <br /> (PEAK @ PEAK <br /> TIME) DISCHARGE <br /> (PEAK TIME) <br />SOUTH BOULDER ROAD <br />sse upstream of Viele 4500 #243 3929110:40) <br />WVO return from Viele 1660 6163 #289 1113111:201 <br />WVO return from Anderson N/D N/D #377 109111:30) <br />Ditch 8757.. <br />WVO @ Highway 36 N/D N/D #1812 3872(11 :15) (11 :151 <br />overflow west of Foothills <br /> 8921". <br />Other small flows crossing N/D N/D #1366 128 (11:15) (11:151 <br />into subdivisions-Dry Creek N/O N/O #1367 14 (8:201 <br />Ditch No.2 N/D N/D #1374 36 (10:45) <br />8ASELlNE <br />sse @ Baseline 6400 6526 #241 4835111 :201 <br />WVO @ Foothills and N/D N/D #359 386B(11 :25) <br />Baseline I <br />{Other small flows crossing <br />Baselinel B872 (11 :251 <br />E. side Foothills #363 15 (8:101 <br />Manhattan Dr. crossing #366 17018:15) <br />Dry Creek No.2 #371 254 (8:201 <br />Meadow Glen Dr. #338 103 (8:201 <br />crossing <br />ARAPAHOE <br />S8C @ Arapahoe 2600 6630 #232 2406(12:05) <br />WVO @ Dry Creek Ditch No. 4030 N/D #1909 3924112:051 <br />2 6696 (12:05) <br />WVO just west of 55l1'1 N/D N/D #1365 974112:00) <br />WVO at Range Street N/D N/D #1371 4 (11:55) <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />N/A = Not Applicable <br />N/D = Not Determined in Previous Study <br />-This column, where applicable, is the largest total of the flows in sse and the WVO at the same time. Peak flows of <br />each stream may occur at different times due to different travel times and local inflows. Thus the peaks in the column to <br />the teft may not sum to the value of this column. <br />- -Compares flows similar to previous model flow data. <br />"-Total flow at location including previously unmodeled flows. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I - 12 <br /> <br />I <br /> <br />I <br />