FLOOD02883

• Designation Number: 266
• County: Broomfield
• Community: Broomfield
• Stream Name: Quail Creek & Tributaries & McKay Lake Basin
• Basin: South Platte
• Title: Flood Hazard Area Delineation - Quail Creek and Tributaries and McKay Lake Basin, Broomfield, Westminster
• Date: 7/1/1986
• Designation Date: 11/1/1986
• Floodplain - Doc Type: Floodplain Report/Masterplan

I TABLE 5
QUAIL CREEK BASIN - CONVEYANCE ELEMENT PARAMETERS
I OVERBANK!
TYPE OF WIDTH INVERT SIDE SLOPES SURCHARGE
GUTTER GlfITER CONVEYANCE OR DIAM LENGTH SLOPE HORIZ TO VERT MANNING DEPTH
I NUMBER CONNECTION ELEMENT (FT) (FT) (FT/FT) L R N (FT)
100 2 CHANNEL .0 3000 .0050 4.0 4.0 .035 10.00
101 ,. 1 CHANNEL .0 1500 .01I0 4.0 4.0 .035 10.00
I 1 301 CHANNEL .0 2950 .0050 4.0 4.0 .035 10.00
2 301 CHANNEL .0 2950 .0050 4.0 4.0 .035 10.00
3 302 CHANNEL .0 3400 .0050 4.0 4.0 .035 10.00
I 4 302 CHANNEL 20.0 1250 .0050 4.0 4.0 .035 10.00
5 10 CHANNEL 26.0 2750 .0050 4.0 4.0 .035 10.00
102 303 CHANNEL .0 1700 .0050 4.0 4.0 .035 10.00
I 6 304 CHANNEL 13.0 1350 .0050 4.0 4.0 .035 10,00
7 305 CHANNEL 13.0 1I50 .0050 4.0 4.0 .035 10.00
103 309 CHANNEL .0 4800 .01I0 4.0 4.0 .035 10.00
109 1I4 CHANNEL .0 2000 .0080 4.0 4.0 .035 10.00
I 8 305 CHANNEL 10.0 2950 .0050 4.0 4.0 .035 10.00
9 306 CHANNEL 32.0 850 .0050 4.0 4.0 .035 10.00
10 306 CHANNEL 22.0 2100 .0050 4.0 4.0 .035 10.00
I 11 310 CHANNEL 66.0 2000 .0040 4.0 4.0 .035 10.00
104 115 CHANNEL .0 3800 .0140 4.0 4.0 .035 10.00
12 307 CHANNEL .0 5300 .0120 4.0 4.0 .035 10.00
I 13 14 CHANNEL 75.0 2250 .0040 4.0 4.0 .035 10.00
14 141 CHANNEL 75.0 1I00 .0040 4.0 4.0 .035 10.00
141 16 CHANNEL 80.0 50 .0040 4.0 4.0 .035 10.00
15 141 CHANNEL .0 2900 .0060 4.0 4.0 .035 10.00
I 107 151 CHANNEL 3.0 4000 .0350 5.0 5.0 .035 10.00
108 151 CHANNEL 3.0 2500 .0100 5.0 5.0 .035 10.00
151 15 RESERVOIR
I RESERVOIR STORAGE IN ACRE-FEET VS SPILLWAY OUTFLOW
0.0 AF 0.0 cfs 15.1 AF 15.0 cfs 47.8 AF 90.0 cfs 85.7 AF 140.0 cfs 85.7 AF 150.0 cfs 85.7 AF 5000.0 cfs
16 308 CHANNEL 80.0 2750 .0040 4.0 4.0 .035 10.00
105 106 CHANNEL .0 2500 .0120 4.0 4.0 .035 10.00
I 106 308 CHANNEL .0 1000 .0120 4.0 4.0 .035 10.00
17 18 CHANNEL 80.0 2850 .0040 4.0 4.0 .035 10.00
18 0 CHANNEL 80.0 2100 .0040 4.0 4.0 .035 10.00
I 110 302 CHANNEL .0 4000 .0050 4.0 4.0 .035 10.00
III 5 CHANNEL 24.0 1450 .0050 4.0 4.0 .035 10.00
112 303 CHANNEL .0 3500 .0080 4.0 4.0 .035 10.00
I 113 304 CHANNEL .0 3000 .0080 4.0 4.0 .035 10.00
114 309 CHANNEL 4.0 2200 .0050 4.0 4.0 .035 10.00
115 12 CHANNEL .0 1000 .01I0 4.0 4.0 .035 10.00
116 310 CHANNEL .0 3000 .0080 4.0 4.0 .035 10.00
I 117 307 CHANNEL .0 2000 .0190 4.0 4.0 .035 10.00
118 307 CHANNEL 66.0 1900 .0040 4.0 4.0 .035 10.00
119 151 CHANNEL .0 2500 .0160 4.0 4.0 .035 10.00
I 120 141 CHANNEL .0 2700 .0170 4.0 4.0 .035 10.00
301 4 CHANNEL 20.0 50 .0050 4.0 4.0 .035 10.00
302 III CHANNEL 24.0 50 .0050 4.0 4.0 .035 10.00
I 303 6 CHANNEL 13.0 50 .0050 4.0 4.0 .035 10.00
304 7 CHANNEL 13.0 50 .0050 4.0 4.0 .035 10.00
305 9 CHANNEL 32.0 50 .0050 4.0 4.0 .035 10.00
306 11 CHANNEL 66.0 50 .0040 4.0 4.0 .035 10.00
I 307 13 CHANNEL 75.0 50 .0040 4.0 4.0 .035 10.00
308 17 CHANNEL 80.0 50 .0040 4.0 4.0 .035 10.00
309 8 CHANNEL 10.0 50 .0050 4.0 4.0 .035 10.00
I .310 118 CHANNEL 66.0 50 .0040 4.0 4.0 .035 10.00
9