2018-04-27_REVISION - M1980244

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/27/2018
• Doc Name: Request for Technical Revision
• From: Newmont
• To: DRMS
• Type & Sequence: TR101
• Email Name: TC1
• Email Name: WHE
• Media Type: D
• Archive: No

Knight M sold
CONSULTING Table2.2
Cripple Creek and Victor Gold Mining Co.(Newmont)
Cripple Creek and Victor Mine
Stormwater Management Plan Evaluation
Existing Basin Composite Curve Number Values
Basin Total Area Component Area Hydrologic Hydrologic Soil Group Curve Number Composite Curve
(Reference Figure 2.1) (ac) (ac) Cover Type Condition (HSG) (CN) Number(CN)
11.3 Natural ground,grass Fair D 89
EMP 6 322 52 General disturbed/roads Not Applicable NA C 91 74
15.8 Natural ground,woods Fair C 57
EMP 8a 266 26.6 General disturbed/roads NA C 91 91
11.8 Natural ground,woods Fair C 57
EMP 8b 137.3 74.1 General disturbed/roads NA C 91 73
51.5 Waste rock NA NA 50
EMP 8c 130.1 130.1 General disturbed/roads NA C 91 91
12.8 Natural ground,grass Fair C 81
44.5 Natural round,woods Fair C 57
EMP 9a d(combined) 156.7 73
82.1 General disturbed/roads NA B 86
17.2 Waste rock NA NA 50
9.5 Natural ground,grass Fair C 81
EMP 11 582 98 Natural ground,woods Fair C 57 84
38.9 General disturbed/roads NA C 91
73.1 Natural ground,grass Fair C 81
49.1 Natural round,woods Fair D 63
EMP 13 166.3 70
88 General disturbed/roads NA C 91
35.3 Waste rock NA NA 50
4.5 Natural round,grass Fair B 71
EMP 16 5.4 09 General disturbed/roads NA C 91 74
EMP 17 17a,17b combined 17.5 17.5 General disturbed/roads NA C 91 91
EMP 18 490 490 Natural ground,grass Fair B 71 71
6.3 Natural ground,grass Fair B 71
EMP 20 18.5 6.3 Natural ground,woods Fair C 57 73
5.9 General disturbed/roads NA C 91
8.0 Natural grouni,Orass Fair C 81
EMP 21 23.8 3.0 General disturbed/roads NA C 91 69
12.9 Natural ground,woods Fair C 57
16.5 Natural round,woods Fair C 57
EMP 22 21.1 64
4.5 General disturbed/roads NA C 91
9.4 Natural round,woods Fair C 57
ECOSA toe berm 291.8 50
2823 Waste rock NA NA 50