2014-04-30_PERMIT FILE - C1981012A

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 4/30/2014
• Section_Exhibit Name: Section 2.05 Operation and Reclamation Plan
• Media Type: D
• Archive: Yes

Table 21
- --
Culvert sizing
Culvert Number
10 -24 Hour
Peak Discharge- CFS
Minimum (1i
Diameter Inches
) Comments
I
41
108
48
TR -22 100 Yr 24 HR Revised 11/16/1990
43`*
7.3
18
MR- 401192
44"
7.3
18
MR- 401192
45
299
12
TR -66 05112
46
2,26
12
TR- 311213/93
47
2.61
15
TR- 27 1 011 5193
48
49.84
42
TR- 2710115/93
49
54.05
42
TR- 2710/15/93
50
4.05
18
TR- 2710115/93
51
55
42
TR- 2710115/93
52
48.59
36
TR- 2710115/93
53
6.4
21
TR- 2710/15/93
54
7551
48
TR -27 10/15/93
55
1.01
8
May-95
56
4.39
18
57
51.22
f 48" or 2@33"
May-95
58
1.45
12
May-95
59
4.81
18
TR -55 03111
60
12,38
24
May-95
61
0,95
8
May-95
62
0.68
12
Sep-95
63
1.28
12
Sep-95
64
8.75
24
65
0.1
12
66
0.43
12
TR55 03111
67
2.23
18
TR55 03/11
68
2.67
18
TR -55 03/11
69
3.76
18
TR -55 03/11
70
4.3
18
TR- 6012/11
71
1.03
12
TR- 6012/11
72
8.75
24
TR- 6012/11
73
8.75
24
TR- 6012/11
74
875
24
TR -60 12/11
75`•
52.05
42
TR -62 01/12
76"
5205
42
TR -62 01/12
77
1.75
12
TR -66 05/12
77A"
1.75
12
TR-66 05/12
78
1.75
12
TR -66 05112
79
39.74
36
TR -64 04112
80
28.01
36
TR -64 04/12
RDA -A
4.16
12
TR -66 05/12
RDA•B
1.86
12
TR -66 05/12
81
13,90(7)
30
TR -66 08/12
82
17.78
30
TR -65 06112
83(8)'-
7.02
18
TR -65 06/12
84(8)'*
7.02
18
TR -65 06/12
85
30.51
36
TR -65 07112 - On DOW Land
Relief Drains
Relief Drains
I
(1)
(Z)
_ (3)
(4)
From "Handbook of Steel Drain a and Highway Construction Products"
nomograph with no head on pipe and using HW /D Scale-No.-(3).
Sized using 3ft. of head on pipe (HWID = 115), HW /D Scale No. (1). _
Sized using 2.4 ft. of head on pipe (HW/D = 1.8 , HW /D Scale No. (3).
Culverts 23 & 24 are inlet culverts to Culvert 25. Culvert 25 was sized using the
Hazen - Williams formula Exhibit 19,West Portal Data C21 through C -25
(5)
Sized using 3ft. of head on pipe HW 10 = 1.5 , HW /D Scale No. (1).
(e) SAS
built 3/27/88 SDM i
(»
100 -year 24 -hour peak discharge. Temporary culverts installed as needed, -f
Temporary culverts installed as needed i i
TR-66 2 05 -14A 08/24/12