FLOOD05658

• County: Weld
• Basin: South Platte
• Title: Project Notebook for I-25 Corridor Master Drainage Plan South Weld County: Volume 1 of 2
• Date: 12/6/1999
• Prepared For: Weld County Public Works
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

. . .
c::..... Table 4-2 0
'"
"'..... :>>
OJ , Area Adjustment Factors For Oesign Rainfall Distributions .....
:>>..... :z
:z , :>>
\0 Gl
00 5- and 10-year Design Rainfall 50- and 100-year Design Rainfall ",
'" 2-,
:>> n
..... Area - Square Miles '"
:z Area - Square Miles .....
:>> -;
Gl Time m
", Mi nutes 5-10 10-20 20-30 30-50 50-75 5-10 10-20 20-30 30-50 50-75 '"
.....
go :>>
" 5 1.00 1.00 1.00 1.10 1.00 1.00 1.00 1.00 1.05 1.10 3:
r" :>>
0 :z
0 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10 c:
0 10 :>>
r"
n 1.00 1.00 1.00 1.05 1.10
C> 15 1.00 1.00 1.05 1.00 1.00
:z
--; 20 '0.96 0.90 0.81 0.74 0.62 1.00 1.00 1.00 1.05 1.00
;a
0
r" 25 0.96 0.90 0.81 0.74 0.62 0.96 0.90 0.81 0.74 0.60
30 0.96 0.90 0.81 0.74 0.62 0.96 0.90 0.81 0.74 0.60
35 1.00 1.00 1.00 1.05 1.00 0.96 0.90 0.81 0.74 0.70
40 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.00
45 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10
50 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10
55 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10
60 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10
65 - 120 1.00 1.00 1.00 1.05 1.10 1.00 1.00 1.00 1.05 1.10
125 - 180 N/A 1.00 1.15 1.20 1.40 N/A 1.00 1.15 1.20 1.40
185 - 360 N/A N/A 1.15 1.20 1.20 N/A N/A 1.15 1.20 1.20
;a
:>>
.....
:z
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:>>
r"
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