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: '..:~. ~-; , Ga,an- ;~,r_ ~^~ ~o av~
HOURLY EQUIPMENT COST:
Machine make and model OIL attachments ~ 6/.~,QQ
adjusted Operator cost Per Nour
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. cost/hr
1 N/A
2 ~~
3 ~~
$ /hr. divided by shifts/day = $ average equipment cost /h r.
MATERIAL QUANTITIES:
BCY x swell factor = 'w ~`i LCY
Verification methog s) used „~.,,,,-,,,~ .`~,._„' /.,_., ,.~_~
V
HOURLY PRODUCTION:
(-) favorable
Push distance = ~ft., altitude = Sam ft., grade = ±~% (+) unfavorable
Unadjusted hou~oroduction from dozer curve tables = y~,p LCY/hr.
Job condition correction factors (multiply ail approp. factors to obtain total):
Operator , ~S
Material Consistency
Dozing method (normal, slot, side-by-side) .
Visibility (average for all shifts), .
Job efficiency (average for all shifts). .3'3
Direct Drive Transmission. .
Grade adjustment S.3
Altitude adjustment
Material weight correction .
B lade type . _
,j B net correction factor
y'to LCY/h r, x ,y-8 = ~ y~ ~ LCY /h r. adjusted prod. per dozer
unadj. prod. net correction
x LCY/hr = LCY/hr, adjusted fleet production
no. ozers adj. pro
used per dozer
JOB COST:
/~'$9 LCY divided by .:Y-f.r LCY/hr. _ ~ 7 total job hours
total material vol. fleet prod.
E /h r. avg. dozer cost x dozers used = 5 hourly fleet cost
r 7 hrs x $ - y~. ~?o /hr. _ $ » S~6 Total Job Cost
total job time hourl-y~eet cost
unit cost/LCY = $tB~ost divided by /,~~'-9 = $ ~ / /LCY