1989-12-04_GENERAL DOCUMENTS - C1981017

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 12/4/1989
• Doc Name: Bid Documents ‎(IMP)‎
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

EARTHWORK ESTIMATING - DOZER WORK
TASK DESCRIPTION:
HOURLY EQUIPMENT COST:
Machine make and model D9 L attachments
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. cost/hr
N/A a.
2
vS //8 ov
3
Total = i, s.o� r.
$ //8 /hr. divided by / shifts/day = $ // ,q averaqe equipment cost/hr.
MATERIAL QUANTITIES:
BCY x swell factor LCY
Verification method(s) used
HOURLY PRODUCTION:
(-) favorable
Push distance = 75-' ft. , altitude = �oL oo o ft. , grade % (+) unfavorable
Unadjusted hourly production from dozer curve tables = //g o LCY/hr.
Job condition correction factors (multiply all approp. factors to obtain total ) :
Operator . . . . . . . . . . . . . . . . .
Material Consistency . . . . . . . . . . . . -7 0
Dozing method (normal , slot, side-by-side) . . . . .
Visibility (average for all shifts) . . . . . . . . . 8 3
Job efficiency (averaqe for all shifts) . . . . . . .
Direct Drive Transmission. . . . . . . . . . . . . .
Grade adjustment . . . . . . . . . . . . . . . . . . 6 S
Altitude adjustment . . . . . . . . . . . . . . . . 9 2_
Material weiqht correction . . . . . . . . . . . . .
Blade type . . . . . . . . . . . . . . . . . . . . ..
net correction factor
//g c� LCY/hr. x 2 7 = 32 Z LCY/hr. adjusted prod. per dozer
unadj. prod. net correction
/ x 3 2 2--"
LCY/hr = S Z Z LCY/hr. adjusted fleet production
no. dozers ad proms
used per dozer
JOB COST:
3330 LCY divided by 32Z LCY/hr. _ /o . total job hours
total material vol . fleet prod.
$ /fl /hr. avq. dozer cost x dozers used = $ ,- hourly fleet cost
hrs x $ //g /hr. _ $ / Z 2 -�7 Total Job Cost
Total job time hourly fleet cost
unit cost/LCY = $ /2 Z divided by 2 3 3 0 _ $ - 0--7- /LCY