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

EARTHWORK ESTIMATING - DOZER WORK
TASK DESCRIPTION: ~~.-.._.i ..-•• - ~~~-', -~.'-
HOURLY EQUIPMENT COST:
Machine make and model ~ 9 L attachments i - iY/,.. ~,
adjusted Operator Cost Ner 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. cast/hr
1 N/A
2 ~. ~~
3 ~~ ~~
iotai = > i~i~. ~~ /nr.
$ /hr. divided by shifts/day = $ average equipment cost/hr.
MATERIAL pUANTITIES:
BCY x swell factor = ~ocJ LCY
Verification method s) used
HOURLY PRODUCTION:
Push distance = ft., altitude = t ~ ~ ft., grade
Unadjusted hourly production from dozer curve tables =
Job condition correction factors (multiply all approp.
Operator
Material Consistency
.Dozing method (normal, slot, side-by-side) .
Visibility (average for all shifts). .
Job efficiency (average for all shifts). .
Direct Drive Transmission. .
Grade adjustment .
Altitude adjustment
~'~aterial weight correction .
B i ode type .
(-) favorable
= C.7 X (+) unfavorable
i,Fez~ LCY/hr.
factors 7 S btain total):
,83
,,~ ~ net correction factor
l ~'Ou LCY/h r. x , i~ _ ///L LCY/h r, adjusted prod. per dozer
unadj..prad. net correction
x LCY/hr = LCY/hr. adjusted fleet production
no. dozers adT~ '
used per dozer .
JOB COST;
JT-~-'C~ LCY divided by /// LCY/hr. = 7• `' total job hours
total material vol. fleet prod.
$ y,. =~/h r. ova. dozer cost x - dozers used = $ hourly fleet cost
~. S hrs x $ /S~3 O /hr. = b ~/ 7,~,_ Total Job Cast
total job time hour y f eet cost
unit tort/LCY = $ //'7~ ~ divided by ~b`~*-~ _ $ /~ /LCY