2009-05-12_PERMIT FILE - C1980005 ‎(2)‎

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 5/12/2009
• Section_Exhibit Name: Tab 12 Operation Plan
• Media Type: D
• Archive: No

TABLE 12-6
CULVERT SPECIFICATIONSs
SENECA II MINE
Drainage Peak Culvert' Culvert Minimum°
Location' Area Runoff Diameter Length Cover Design
(Acres) Icfsl Ilnchesl (Feet) Ilnchesl Method
1 a 840.0 120.0 48 80 12 SCS
2a 384.1 22.2 30 80 12 SEDCAD+
3a 41.0 1.2 24 41 12 SEDCAD+
3a 24 41 12 ---
9a 1866.9 65.3 485 90 12 SEDCAD+
9a 30 70 12 ---
12a 916.0 80.0 42 74 12 SCS
13a 12.5 3.0 18 100 12 SEDCAD+
15a 727.4 14.9 72 93 18 SEDCAD+
17a 4.2 2.1 24 82 12 SEDCAD+
18a 60.7 1.7 24 67 12 SEDCAD+
19a 738.5 135.7 605 100 18 SEDCAD+
24a 8.5 0.5 18 97 12 SEDCAD +
• 29a 88.3 6.9 30 120 12 SEDCAD+
30a 91.4 7.1 30 80 12 SEDCAD+
31a 2.2 1.4 24 60 12 SEDCAD+
32a 106.7 3.6 24 106 12 SEDCAD+
33a 18.3 1.4 18 50 12 SEDCAD+
34aa 16.9 0.9 18 80 12 SEDCAD+
34a 343.7 65.0 425 100 24 SEDCAD+
45a 71.7 12.4 18 80 30 SEDCAD+
47a 12.8 0.7 24 61 12 SEDCAD+
50a 175.4 19.0 30 80 12 SEDCAD+
52a 32.0 2.6 30 40 12 SEDCAD+
52aa 32.0 2.6 18 30 12 SEDCAD+
53a 12.1 0.9 18 40 12 SEDCAD+
54a 4.1 0.3 24 28 12 SEDCAD+
55a 1.5 0.9 24 60 12 SEDCAD+
56a 0.8 0.5 18 20 12 SEDCAD+
57a 6.7 2.7 18 40 12 SEDCAD+
59a 16.5 4.0 18 20 12 SEDCAD +
TR-37 12-32 Revised 04/05