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PERMFILE109976
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PERMFILE109976
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Entry Properties
Last modified
8/24/2016 10:06:55 PM
Creation date
11/24/2007 7:16:11 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057A
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
BOND COST WORKSHEETS
Section_Exhibit Name
TAB 25 ATTACHMENT 25-1
Media Type
D
Archive
Yes
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• • <br />SENECA COAL COMPANY <br />2001 RN-03-SENECA IIW <br />DRILL AND SHOOT HIGHWALL <br />SUMMARY SHEET Description of Reclamation Acitivity: Blasting to Reduce Highwall <br />Pit Highwall Length 10,150 k Assumptions: Sources: <br />Pit Highwall Width 100 k <br />Hole Spacing 27 ft Powder Factor = 0.63 Iblyd Seneca Costs for 1998 <br />No. of Rows 376 Hole Diameter = 10 - 5/8 inches Furnished by Applicant <br />No. of Holes/Row 3 Drill = Drilltech D60K Contractors Equip. Cost Guide <br />Total No. Holes 1128 Drilling Rate = 2 k/min Rate & CDMG Tables <br /> Bit Life = 8000 ft Furnished by Applicant <br /> Bit Cost = $1,500 /bit Furnished by Applicant <br /> Explosives = $0.20 /Ib Seneca Costs for 1998 (Includes <br />Drill length/row 30 k primer and cord) <br />~ Total Length Drilled 11278 ft Drill Costs = $488.15 /hr Contractors Equip. Cost Guide <br />~ Avg. Drilling Rate 2 ft/min <br />N Total Drill Time 94 hr <br />Pounds of Explosives/row 255 Ibs <br />Total Amount of Explosives 95861 Ibs <br />Drill Rig Costs/hr $488.15 <br />Drilling Costs $45,877 <br />grill Bit Costs $2,115 <br />Explosive Costsllb $0.20 <br />Totol Explosive Costs $19,172 <br />~ TOTAL $67,164 <br />~~ <br />N <br />(D <br />a <br />0 <br />w <br />0 <br />
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