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<br />I <br /> <br />I <br /> <br />I <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 />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />TABLE 1-1 <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 />LOCATION VALUES USED SWMM TEA PHASE III HYDROLOGY <br /> IN HEC-2 MODEL BY sbc ltd.out MODEL <br /> FLOODPLAIN USACE 1977 ELEMENT 'SIMUL T ANEOUS <br /> ELEMENT <br /> FLOW SBC & WVO <br /> (PEAK @ PEAK <br /> TIME) DISCHARGE <br /> (PEAK TIME) <br />sac into Gross N/A 7696 #8 9148 N/A <br />SSC out of Gross N/A 3862 #397 4029 N/A <br />Eldorado Gage N/A 4462 #50 7883 N/A <br />see upstream of split above 5740 5743 #1421 9200 N/A <br />Highway 93 <br />HIGHWAY 93 <br />S8C @ Highway 93 2100 #1509 2121 19:501 <br /> 5743 9552 110:001 <br />WVO @ Highway 93 3850 #1533 7442110:00) <br />UPSTREAM HIGHWAY 36 8EFORE SPLIT <br />sec upstream of Highway 4160 #44 8238110:301 <br />36 before split 6163 9362 110:301 <br />WVO upstream of Highway 2000 #1442 1127(10:351 <br />36 before split joins <br />HIGHWAY 36 <br />sac downstream of 4500 #1427 3979110:30} <br />Highway 36 6163 9334.. <br />WVO spill from see @ 1660 #262 5374(10:401 110:351 <br />Highway 36 <br /> 9427*" <br />WVO from Upper Viele N/O N/O #1920 922 (8: 15) 110:35) <br />WVO for Flatirons Pit N!O N!D #304 78 (8:25) <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 SBC 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 left 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 - 11 <br />