FLOOD07750

• Designation Number: 448
• County: Arapahoe
• Community: Unincorporated Arapahoe County
• Stream Name: Big Dry Creek
• Basin: South Platte
• Title: Flood Hazard Area Delineation - Big Dry Creek & Tributaries
• Date: 11/1/1996
• Designation Date: 3/1/1997
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE 1II-3
SWMM ROUTING ELEMENT PARAMETERS
OVERBANK!
WIDTH INVERT SInE SLOPES SURCHARGE
GUTTER GUTTER NDP NP OR DrAM LENGTH SLOPE H. TO V. MANNING'S DEPTH JK
NUMBER CONNECTION (FT) (FT) (FT/FT) J, R N (FT)
----------------------------------------------------------------------------------------------------- -----------------
2 6 0 1 CHANNEL 12.0 2900. .0260 3.0 3.0 .075 20.00 0
4 6 0 1 CHANNEL 12.0 1000. .0280 3.0 3.0 .075 20.00 0
6 8 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
8 10 0 1 CHANNEL 12.0 1500. .0280 3.0 3.0 .075 20.00 0
10 11 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
11 12 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
12 14 0 1 CHANNEL 12.0 2400. .0400 3.0 3.0 .075 20.00 0
14 15 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
15 16 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
16 18 0 1 CHANNEL 12.0 1500. .0170 3.0 3.0 .075 20.00 0
1a 19 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
19 20 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
20 22 0 3 12.0 1. .0010 3.0 3.0 .075 20,00 0
22 24 0 1 CHANNEL 12.0 1000. .0150 3.0 3.0 .075 20.00 0
24 28 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
2a 32 0 1 CHANNEL 12.0 3100. 00340 3.0 3.0 .0'7:- 20.00 0
32 34 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
34 36 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
36 38 0 1 CHANNEL 12.0 3000. .0190 3.0 3.0 .075 20.00 0
38 48 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
40 41 0 1 CHANNEL 12.0 1700. .0410 3.0 3.0 .075 20.00 0
41 42 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
42 44 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
44 46 0 1 CHANNEL 12.0 2400. .0110 3.0 3.0 .075 20.00 0
46 48 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
48 50 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
50 52 0 1 CHANNEL 12.0 800. .0450 3.0 3.0 .075 20.00 0
52 54 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
54 56 0 1 CHANNEL 12.0 400. .0450 3.0 3.0 .075 20.00 0
56 58 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
sa 59 0 1 CHANNEL 12.0 600. .0160 3.0 3.0 .065 20.00 0
59 60 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
60 62 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
62 64 0 1 CHANNEL 12.0 1500. .0130 3.0 3.0 .065 20.00 0
64 80 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
66 70 0 1 CHANNEL 12.0 1600. .0310 3.0 3.0 .075 20.00 0
68 70 0 1 CHANNEL 12.0 1500. .0330 3.0 3.0 .075 20.00 0
70 72 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
72 74 0 1 CHANNEL 12.0 2200. .0220 3.0 3.0 .075 20.00 0
74 76 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
76 78 0 1 CHANNEL 12.0 2500. .0220 3.0 3.0 .075 20.00 0
78 80 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
80 82 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
82 84 0 1 CHANNEL 12.0 1700. .0180 3.0 3.0 .065 20.00 0

TABLE III-3 (cant)
SWMM ROUTING ELEMENT PARAMETERS
OVERBANK/
WIDTH INVERT SIDE SLOPES SURCHARGE
GUTTER GUTTER NDP NP OR DIAM LENGTH SLOPE H. TO V. MANNING'S DEPTH JK
NUMBER CONNECTION (FT) (FT) (FT/FT) L R N (FT)
----------------------------------------~-------------------------------------------------------------------------------------------
84 85 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
85 86 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
a6 87 0 1 CHANNEL 12.0 900. .0060 3.0 3.0 .065 20.00 0
87 103 0 3 12.0 l. .0010 3.0 3.0 .065 20.00 0
88 89 0 1 CHANNEL 12.0 650. .0430 3.0 3.0 .075 20.00 0
89 90 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
90 92 a 2 PIPE .1 1. .0100 .0 .0 .075 .10 0
RESERVOIR STORAGE IN ACRE-FEET VS SPILLWAY OUTFLOW
.0 .0 .3 35.0 1.6 57.0 3.4 66.0 6.5 73.0 10.9 80.0
17.1 114.0 20.8 234.0
92 94 0 1 CHANNEL 12.0 1900. .0220 3.0 3.0 .075 20.00 0
94 95 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
95 96 0 1 CHANNEL 12.0 1800. .0150 3.0 3.0 .075 20.00 0
96 97 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
97 9a 8 2 PIPE .1 1. .0100 .0 .0 .075 .10 0
RESERVOIR STORAGE III ACRE-FEET VS SPILLWAY OUTFLOW
.0 .0 .7 20.0 2.2 25.0 8.4 35.0 16.4 42.0 20.8 45.0
25.4 102.0 30.3 169.0
98 100 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
100 102 0 1 CHANNEL 12.0 2900. .0130 3.0 3.0 .075 20.00 0
102 103 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
103 104 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
104 106 0 1 CHANNEL 12.0 1800. .0080 3.0 3.0 .065 20.00 0
106 158 0 3 12.0 1. .0010 3.0 3.0 .065 20.00 0
108 109 0 1 CHANNEL 12.0 2400. .0420 3.0 3.0 .075 20.00 0
109 112 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
110 111 0 1 CHANNEL 12.0 1100. .0590 3.0 3.0 .075 20.00 0
111 112 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
112 114 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
114 115 0 1 CHANNEL 12.0 4500. .0210 3.0 3.0 .075 20.00 0
115 120 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
116 117 0 1 CHANNEL 12.0 700. .0430 3.0 3.0 .075 20.00 0
117 118 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
118 119 0 1 CHANNEL 12.0 2700. .0300 3.0 3.0 .075 20.00 0
119 120 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
120 122 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
122 124 0 1 CHANNEL 12.0 2200. .0210 3.0 3.0 .075 20.00 0
124 126 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
126 128 0 1 CHANNEL 12.0 2800. .0140 3.0 3.0 .075 20.00 0
128 148 0 3 12.0 1. .0010 3.0 3.0 .075 20.00 0
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