1987-12-01_PERMIT FILE - C1981017 ‎(199)‎

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

EARTHWORK ESTIMATING - TRUCK/LOADER TEAMS
r �
TASK--DESCRIPTION:
--------------
HOURLY EQUIPMENT COST:
t Truck make and model
Loader make and model FI 6
adjusted Operator Cost Per Hour
hours days base base shift total
shift per per rental operating wage overtime premium equip.
no. day week rate/hr. cost/hr rate/hr adjustment adj.
NIA es-
NIA
1 S O
2
7 '
3 total truck cost/hr. = , s 7. os
' total_ loader cost/hr. = S iyo. did
c /hr. divided by / shifts/day = E 9 . average truck cost/hr.
$ hr. divided by �_ shifts/day = $ , jrO, pC average loader cost/hr.
MATERIAL QUANTITIES:
Bank volume BCY x swell factor = G' y"oo v LCY
Verification methods used �,�.,,,
HOURLY PRODUCTION: ft. altitude = 8co ft.
Haul distance = oo-o ft. , return distance = Ya o o
Total resistance au a % rolling res. plus% grade res. +or- = o %
Total resistance (return) •.Z rolling res. plus ,� % grade res. (+or-)= �_%
Note: for grade resistance, (+) = unfavorable, favorable (downhill )
Truck capacity LCY (nominal heaped) bucket fill factor from
Loader capacity = '7 . LCY (nominal heaped) x .9 J Y/bucket load (adj. cap
fill factor adjustment table in Section VII =
No. of loader passes required to fill truck = J (round to nearest whole no. )
Adjust truck capacity = 42- LCY
Loader cycle time: basic cycle oad, maneuver and dump) = O- min.
1st pass = 0.1 min (bulk of 1st pass completed -during truck exchange time)
2nd ---------- o• S no n
3rd ---------- 6 :n min Loader cycle corrections:
4th ---------- min
Sth ---------- min
6th ---------- min
min total load time
Truck cycle time: Exchange time ---------- •7 min.
Load ------------------- �-
Haul -------------------
Maneuver at dump ------- •-7
Dump -------------------
Return ----------------- -
3 0 r ...;., �...,. ..