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 - TRUCK/LOADER TEAMS
i 3
TASK* DESCRIPTION: .' , '
....
HOURLY EQUIPMENT COST:
Truck make and model p c
Loader make and model
adjusted Operator Cost Per Hour
hours days base base shift total
shift per per rental operating atee overtime hr adjustment premium
cost/hr
no. day week rate/hr. cost/hr /
o
. 80
i 2
's 3 tota truckcost r. _ -, 9 7 0
total loader cost/hr.
L_?2 �/hr. divided by �_ shifts/day = E S'�os average truck cost/hr.
/hr. divided by �_ shifts/day = $ iy� average loader cost/hr.
MATERIAL QUANTITIES:
BCY x swell .factor��= 806 LCY
-Bank volume =
Verification method(s) used
HOURLY PRODUCTION: ftt
ft. , return distance = ft. , altitude =
res. .
Haul distance =tea8 c) grade, +or- _ 9 %
Total resistance au % rolling res. p us %
Total resistance (return)— � rolling res. plus grade res. (nhill) —S
Note: for grade resistance, (+) = unfavorable, favorable (downhill )
Truck capacity LCY (nominal heaped) bucket fill factor from
Loader capacity = LCY (nominal heaped) x /o 0
fill factor a Justment table in Section VII = LAY/bucket load (adj. cap'y)
No. of loader passes required to fill truck = (round to nearest whole no.)
Adjust truck capacity = 3a LCY
min.
Loader cycle time: basic cycle ( load, maneuver and dump) _
1st pass = 0.1 min (bulk of lst pass completed during truck exchange time)
2nd ---------- . (­ min
•
3rd ---------- .6 min Loader cycle corrections:
4th ---------- •6 min
Sth ---------- min
6th ---------- min
9 min total load time
Truck cycle time: Exchange time ---------- • 7 min.
Load ------------------- i 9
Haul -------------------
Maneuver at dump ------- 7
Dump ------------------- 2.
! Return
/
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