2015-03-09_PERMIT FILE - C1981012A

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 3/9/2015
• Section_Exhibit Name: Section 2.05 Operation and Reclamation Plan
• Media Type: D
• Archive: Yes

30
72
12.73
24
TR -70 8/14
2.1' Headwater Depth
73
12.73
24
TR -70 8/14
2.1' Headwater Depth
74
12.73
24
TR -70 8/14
2.1' Headwater Depth
75 **
52.05
42
TR- 62 01/12
76 **
52.05
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 05/12
79
39.74
36
TR- 64 04/12
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
13.901"
30
TR- 66 08/12
82
17.78
30
TR- 65 06/12
83(8) **
7.02
18
TR- 65 06/12
84(8)**
7.02
18
TR- 65 06/12
85
30.51
36
TR- 65 07/12- On
DOW Land
Relief Drains
(1) From "Handbook of Steel Drainage and Highway Construction Products," nomograph with no
head on pipe and using HW /D Scale No. 3
(2) Sized using 3 Ft. of head on pipe (HW /D =1.5), HW /D Scale No.1
(3) Sized using 2.4 Ft. of head on pipe (HW /D =1.8), HW /D Scale No. 3
(4) Culverts 23 & 24 are inlets culverts to culvert 25. Culvert 25 was sized using the Hazen- Williams
formula Exhibit 19, West Portal Data C21 through C25
(5) Sized using 3 Ft. of head on pipe (HW /D =1.5), HW /D Scale No. 1
(6) As Built 03/27/88 SDM
(7) 100 -Year 24 -Hour peak discharge. Temporary culverts installed as needed
(8) ** Temporary culverts installed as needed
** Temporary culverts as needed
Section 2.05 TR -70 03/02/2015