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:
UDURLY EQUIPMENT COST: attachments
Machine make and model L
adjusted Operator Cost Per Hour
hours days _; base base shift total
shift per per rateal operating
rate/hr ad wage vustment oadmium �ost�hr
no. dayweek
N/A /
p p
2
3 Total = s._� r.
$ //8 /hr. divided by y $ /_ average equipment cost/hr.
/ shifts/day =
MATERIAL QUANTITIES:
BCY x swell factor = 3 LCY
Verification method Cs) used
HOURLY PRODUCTION: (-) favorable
ft., grade 416 % (+)•unfavorable
Ta Push distance = ft., altitude = /o�coa_
LCY/hr.
Unadjusted hour y oroduction from dozer curve tables = factors to obtain total) :
• Job condition correction factors (multioly allapprop. • , 7�
Operator . • • . • • • • • • • . •
,70
Material Consistency . . . . . . . . . . . . . . . .
Dozing method (normal , slot, side-by-side) . . • •
Visibility (average for all shifts). . . . . . . . 193
Job efficiency (average for all shifts) . .
Direct Drive Transmission. . . . . . . . . . . . . .
Grade adjustment . . . . . • • • • • • • • • • • • 6 S
Altitude adjustment . . . . . . . • • • • • • •
Material weiqht correction . . . . . . . . . . . . .-
Blade type . . . . . . . . . . . . . . . . . . . . .-
net correction factor
/ o . LCY/hr. x . 2 32 2 LCY/hr. adjusted prod. per dozer
unadj. .prod. net correction
x 3 2 2. LCY/.hr = -3 Z Z LCY/hr. adjusted fleet oroduction
no. dozers adj. prod.
used per dozer
JOB COST: LCY divided by 32 Z LCY/hr. _ /o. � total job hours
Fl ?mat3eri ao l fleet —orod.
vo l.
dozers used = $$ /g /c? hourly fleet cost/hr. avg. dozer cost x � _L.�--
• _ $ Z Z Total Job Cost
/o y hrs x � //8 /hr. -
total job time hour y eet cost
unit cost/LCY = $ /2 Z -7 divided by .7 3 3 0 • = $
. 3-;Z. /LCY
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