1987-12-01_PERMIT FILE - C1981017 ‎(287)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Estimated Reclamation Cost Calculations
• Section_Exhibit Name: Chapter V Appendix V-D-1
• Media Type: D
• Archive: No

EARTHWORK ESTIMATING - DOZER WORK
TASK DESCRIPTION: .sc�c�i«
HOURLY YQUIPMENT COST: attachments
Machine make and model ,� 8 L•
adjusted Operator Cost Per Hour
hoursLweek
base base shift total
overtime shift per rental operating
ocost/hrq wage
rate/hr adjustment padmium cost/hr
no. day
N/A
1 8 �
„ n -
2
3 o a = 1/A oo r•
00
/hr. divided by 1 shifts/day = $ /J R. o o averaqe equipment cost/hr.
MATERIAL QUANTITIES:
BCY x swell factor = _24 os LCY
Verification method s) used AJ,W
HOURLY PRODUCTION: - (-) favorable
Push distance 0 ft., altitude = io. 000 ft., grade = z 2 % (+) unfavorable
Unadjusted hourly production from dozer curve tables = 9 2 0
LCY/hr.
S Job condition correction factors. (multiply all approp. factors 7 obtain total):
Operator . . . . . . . . • • .
. 70
Material Consistency . . . . . . . .
Dozing method (normal , slot, sides . side. . . .
Visibility (average for all shifts)). 8 3
Job efficiency (averaqe for all shifts).
Direct Drive Transmission. . . . • • • • o
Grade adjustment . . . . . . • • • • • • • • • • • -
Altitude adjustment • • • • • • • • • . . . 9�
Material weiqht correction . . . . . . . . . . . . .-
Blade type . . . . . . . . . . . . . . . . . . . . .-
. ;z y net correction factor
�'Z o LCY/hr. x �_ = 2 / _ LCY/hr.adjusted prod. per dozer
unadj. prod. net correction
/ x Z Z/ LCY/hr = 2 Z / LCY/hr. adjusted fleet production
no. dozers adj. prod.
used per dozer
JOB COST: LCY/hr. total job hours
LCY divided by Z?��_ = 9.r 3
total material vol. fleet prod.
/hr. avq. dozer cost x _ dozers used = $ //6 hourly fleet cost
g 3 hrs x /8 /hr• _ 1/ ys Total Job Cost
total job time hourly f eet cost
unit cost/LCY = $
/ divided by C'G•f = $ S3_._/LCY
22
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