2016-08-24_PERMIT FILE - C1981008A ‎(4)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 8/24/2016
• Doc Name: Collection/Diversion Ditches and Culverts Design Parameters
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-1
• Media Type: D
• Archive: Yes

*The runoff curve number is a weighted average since the watershed area consists of multiple land types and curve numbers
Attachment 2.05.3(3)-1 Page 39 June 2016 (TR -73)
Structure
Watershed
Area
(acres)
Runoff
Curve
No.
Design
Event
Peak
Flow
(cfs)
CMP
Diameter
(inches)
Design Culvert Comments
Flow Length
(cfs) (feet)
C130
42.7
62
10 yr -24 hr
1.1
36
50.0 40 Carries peak flow from Ditch D108 under 5 Street
C131
0.1
85
25 yr -24 hr
0.2
36
50.0 40 Crossing along south side of 5 Street for property access
C132
0.8
85
25 yr -24 hr
1.1
12
4.2 20 Crossing along south side of 5 Street for property access
C133
1.4
85
25 yr -24 hr
1.8
12
4.2 20 Crossing along south side of 5 Street for property access
C 134
9.3
73
25 -24 hr
2.7
18
11.2 20 Crossing along 5 Street in Ditch C 19 for property access
C135
74.9
73
10 -24 hr
10.8
18
11.2 20 Crossing installed by landowner across Pond 007 inlet ditch
C136
32.3
73
10 -24 hr
7.0
3 x 18
33.6 20 Carries peak flow from Ditch C17 into Pond 007
C137
132.7
69.5*
10 yr -24 hr
11.0
18
11.2 14 Crossing installed by landowner across Pond 007 inlet ditch
C138
42.7
62
25 -24 hr
2.4
18
11.2 Carries peak flow from Ditch D108 under 5 Street
C139
4.7
73
25 -24 hr
2.4
18
11.2 44 Carries flow from upper portion of Ditch C20 under 5 Street
C140
N/A
N/A
N/A
N/A
2 x 4
N/A 45 HDPE pipe inlet into Pond 009 to prevent erosion on slopes
C141
Pond 009
-
-
-
10
- 60 Carries peak flow from Ditches C15and C23 into Pond 009.
See Attachment 2.05.3(3)-30 for design.
C142
Pond 009
-
-
-
6
- 440 Carries peak flow from IP Tailwater Ditch 2 to Ditch Cl. See
Attachment 2.05.3(3)-30 for design.
C143
Pond 009
-
-
-
4
- 260 Carries peak flow from IP Tailwater Ditch 1 to Ditch C1. See
Attachment 2.05.3(3)-30 for design.
C144
0.7
85
25 yr -24 hr
0.8
12
4.2 20 Crossing along BB Road in road ditch for property access
C145
1.6
85
25 yr -24 hr
1.9
12
4.2 20 Crossing along BB Road in road ditch for property access
C146
43.1
62
25 yr -24 hr
2.2
12
4.2 20 Crossing along BB Road in road ditch for property access
C147
BB Road
West of 2700
-
-
-
24
- 60 Carries flow from Morgan property under BB Road to Enstrom
Draw. See Attachment 2.05.3(3)-27 for design.
C148
46.9
62
25 -24 hr
2.0
12
4.2 60 Carries flow from outside permit under old Enstrom Bypass
C150
BB Road
West of 2700
-
-
-
24
- 60 Carries flow from Morgan property under BB Road to Enstrom
Draw. See Attachment 2.05.3(3)-27 for design
C151
N/A
N/A
N/A
N/A
N/A
N/A N/A Removed
C152
N/A
N/A
N/A
N/A
N/A
N/A N/A Removed
C153
N/A
N/A
N/A
N/A
N/A
N/A N/A Removed
C154
N/A
N/A
N/A
N/A
N/A
N/A N/A Removed
C155
Tailwater
Ditch
-
-
-
2 x 6
- 400 HDPE pipes will be removed and flow from Tailwater Ditch
will be routed to Pond 016 after it is constructed.
*The runoff curve number is a weighted average since the watershed area consists of multiple land types and curve numbers
Attachment 2.05.3(3)-1 Page 39 June 2016 (TR -73)