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
r �
i •' 1
TASK--DESCRIPTION:
HOURLY EQUIPMENT COST:
{ Truck make and model
Loader make and model y' 6
adjusted Operator Cost Per Hour
hours days base base shift total
ertime shift per per rental operating wage r adjustment premiumcost%hr
no. day week rate/hr. cost/
/
a3. i
1 s —
2
3 tots truc cost r.. =
total_ loader cost/hr. = $ iyo. �G
c /hr. divided by / shifts/day = $ 97 ems_ average truck cost/hr.
Zy— /hr. divided by shifts/day = S 1�o- pG average loader cost/hr.
MATERIAL QUANTITIES:
Bank volume = BCY x
swell factor v LCY
Verification methods used
HOURLY PRODUCTION: ft. altitude = 800 fit•
Haul distance = oc-o ft. , return distance = Y��_ +or- = o
Total resistance au a rolling res. p us $ grade res.
Total resistance (return) :—T rolling res. plus t grade res. (+or-)= �_�
Note: for grade resistance, (+) = unfavorable, favorable (downhill )
Truck capacity = i2 LCY (nominal heaped)
et f
LCY (nominal heaped) x ,9' buck factor from
Loader capacity = :7 = LCY/bucket
load (adj. cap'y)
us
fill factor a jtment table in Section VII =
No. of loader passes required to fill truck = J (round to nearest whole no. )
Adjust truck capacity = 42- LCY a_ min.
Loader cycle time: basic cycle ( load, maneuver and dump) _
1st pass = 0.1 min (bulk of 1st pass completed wring truck exchange time)
2nd ---------- o-.a�'� mi n
3rd ---------- �•s� min Loader cycle corrections:
4th ----------
min
5th ---------- min
6th ---------- min
min total load time
.7 min.
Truck cycle time: Exchange time ---------- z
Load -------------------
Haul -------------------
Maneuver at dump ------- •-7
Dump -------------------
Return ----------------- i G
30