Page 18 - Industrial Process Plant Construction Estimating and Man Hour Analysis
P. 18
Introduction xxxiii
TABLE 2 Definitions for productivity analysis—cont’d
Productivity The amount of work performed in a given period. Usually measured
in units of work per man- hour, man-month, or man-year.
Actual time The time reported for work, which includes delays, idle time, and
inefficiency, as well as efficient effort.
Productivity A unit rate of production; the total amount produced in a given period
rate divided by the number of hours, months, or years.
Code of accounts; tracking system for diesel power plant, fire water
system (Tables 3 and 4)
TABLE 3 Illustration of portion of job cost by cost code and type for erection
of fire water system
Budget
Cost code Phase code description Craft MH
Fire water system (A14) estimate
000000 Fire hose equipment IW 130
000000 Hose cabinet IW 30
000000 Fire water hydrant IW 260
000000 Extinguisher IW 80
000000 Mobile foam unit IW 40
Direct craft man-hours 540
TABLE 4 Illustration of portion of tracking report for erection of a fire water
system
Phase code Percent Productivity
Cost code description Budget Actual complete (A/E)
Fire water system (A14) estimate
000000 Fire hose 130 125 100.00% 1.04
equipment
000000 Hose 30 31 100.00% 0.97
cabinet
Continued