PERMFILE60472

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 53 Bond Liability Calculations
• Media Type: D
• Archive: Yes

MOUNTAIN COAL COMPANY
West Etk Mine
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Conveyor Bent Repair MR 86
Reclamation Cost
Concrete piers - 30" diameter with average reinforcement
2 x 37' long = 13.48 yd.3
2 x 40' long = 14.52 yd.3
13.48 yd.3 + 14.52 yd.3 = 28 yd.3 x $455.10 = $12,742.80
$12,742.80 x 102% = 12,998.00
•
r1
U
• Steel I-beam - 18", 86 weight I-beam = 25 in.z *
25 in.2 = 0.17 ft.z x (23 ft. long + 20.5 ft. long) = 7.40 ft.3
7.40 ft.3 x $0.17/ft.3 x 102% _
• Indirect Costs of 20% _
1.00
$2 600.00
$15,599.00
BOND SUMMARY
Bond Amount
Bond Required
Surplus
Bent Repair
New Surplus
$4,400,000.00
4,354,470.00
45,530.00
15.599.00
$29,931.00
* Per Design Sections for Selected Structural Sections, 1980, B.B. Muvdi, pg. 740.
l~di~ ~ ~ir, / 1993
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