GENERAL38889

• Permit No: C1983058
• IBM Index Class Name: General Documents
• Doc Date: 7/14/1987
• Doc Name: Midterm Review Findings Document
• Permit Index Doc Type: Findings
• Media Type: D
• Archive: No

LCY/hr:
Loader = 60 min/hr divided by ~, i min/Truck load cycle* = s' cycles/h~
~( cycles/hr x = ~ adj. Truck payload = -,~,~.~~ r unadjusted;
r~~oading time pTxchange time.
adjusted production:
7aF .l LCY/hr x ,r? job efficiency** x _L altitude adj. _ ~gp, LCY/hr
Truck = 60 min/hr divided by ~:'.r min/cycle = ~ i cycles/hr
ice, ~ cycles/hr x ~o .v- adj. truck pay oTd~ ~,. ~ LCY/hr
(unadjusted)
adjusted production:
=`LCY/hr x -=o job efficiency** x altitude adj. _,~;;~ LCY/hr~
average for ZT-shifts utilized
Production balancing:
S8 S divided by ~o = ,~.,? trucks required for team*
oa er r ruc r
*round to nearest whole number = actual trucks utilized
Note: For information on determim nT g t~most efficient truck loader team
combination fora particular job, please refer to Section VII of the
estimating manual.
Net hourly production for team = ~ a LCY/hr (use lo-~er production figure
between hourly loader production an ourly truck team production)
Hourly fleet production = LCY/hr/team x teams = LCY,
JOB COST:
Team cost/h r: Loader = E i~o,~~ /hr
haul truck = ~~d,N~ /hr x ~ trucks = E ao~.~i /hr
= E ,~~y, q7 /hr team
Fleet cost/hr = E /hr/team x teams = E /hr
Total job hours: -
~O LCY divided by __~~ LLY/hr = / 6 , 9 hours
totTmate~i~~ eel t pro tota~ime
9 hrs x S d.~ d. 9 S /hr = S S `/ h'Z Total Job Cod
tot. Jo time our y eet cost
unit cost/LCY = E Y 9 divided by ~-o~ = E , G .1, /LCY
tota Jo cost tot~ia~1-