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Homepage>ASTM Standards>ASTM E2691-20 - Standard Practice for Job Productivity Measurement
Released: 2020-04-24

ASTM E2691-20

Standard Practice for Job Productivity Measurement

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Standards number:ASTM E2691-20
Standard number:E2691-20
Keywords:accounting; agile; agile construction; construction accounting; construction production; construction productivity measure; construction put in place; cost codes; CPIP; effectiveness; efficiency; individual productivity; job labor variance; job layout; job productivity; job productivity assurance and control; job productivity measurement; job tracking; JPAC; JPM; labor productivity; labor variation; lean; lean construction; low cost provider; observed percent complete; planning; predicting profits; predictions; process of project management; production; productivity; productivity measurement; profitability; Six Sigma in construction; SPC; SPC in construction; statistical process control; system productivity; trends; trend monitoring; value engineering; variation; variation measurement in construction; work breakdown structure;

1.1 Based on the UNIFORMAT II format for organizing building data, established in Classification E1557, and depending on the level where measurement is applied (industry, total job, or building element), JPM measures construction productivity at three levels: task, project, and industry (shown in Fig. 1). By comparing labor hours used against CPIP, JPM allows for unified measurement of established building elements (according to the UNIFORMAT II format. This practice establishes a process for measuring construction job productivity by comparing labor usage to CPIP.

FIG. 1 Measurement of Productivity at the Industry, Project, and Task Level

Measurement of Productivity at the Industry, Project,
 and Task LevelMeasurement of Productivity at the Industry, Project,
 and Task Level

1.2 JPM measures labor productivity of the installation processes on a construction job.2

1.3 CPIP is measured with input from the labor performing the installation, utilizing elements of statistical process control (SPC) and industrial engineering.

1.4 JPM takes into account the difficulty of installation at any given point on a job.

1.5 JPM evaluates relative productivity changes using trend monitoring.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.