2015-09-30_REVISION - C1994082

• Permit No: C1994082
• IBM Index Class Name: Revision
• Doc Date: 9/30/2015
• Doc Name: Adequacy Review
• From: DRMS
• To: Seneca Coal Company, LLC
• Type & Sequence: RN4
• Email Name: JHB
• Email Name: JRS
• Media Type: D
• Archive: No

MATERIAL OUANTITIES
Initial Volume: 130,200
Swell factor: 1.000
Loose volume: 130,200 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell Cat Handbook
factor:
HOURLY PRODUCTION
Average push distance: 100 feet
2 Dozer(s)
Unit cost:
Unadjusted hourly 2,870.3 LCY/hr
Total job time:
production:
Total job cost:
$24,638
Materials consistency description: Partly consolidated stockpile 1.1
Average push gradient: -25%
Average site altitude: 7,800 feet
Material weight: 2,550 lbs/LCY
Weight description: Sandstone
Job Condition Correction Factor
Source
Operator Skill:
0.750
(AVG.)
Material consistency:
1.100
(CAT HB)
Dozing method:
1.100
(50% SL)
Visibility:
1.000
(AVG.)
Job efficiency:
0.830
(1 SHIFT/DAY)
Spoil pile:
1.000
(DOZ-OC)
Push gradient:
1.516
(CAT HB)
Altitude:
0.930
(CAT HB)
Material Weight:
0.902
(CAT HB)
Blade type:
1.000
(PAT)
Net correction: 0.9579
Adjusted unit production: 2,749.46 LCY/hr
Adjusted fleet production: 5498.92 LCY/hr
JOB TIME AND COST
Fleet size:
2 Dozer(s)
Unit cost:
$0.189/LCY
Total job time:
23.68 Hours
Total job cost:
$24,638