This comprehensive manual describes the user’s experience with ASTM E2691, Standard Practice for Job Productivity Measurement (JPM). This manual includes individual efficiencies of labor and other resources, general contractor vs. subcontractor models, scheduling, planning, jobsite flow, on-site correction to reduce waste, and case studies.

Topics cover:
• System productivity
• Construction financial models
• Labor productivity
• JPM
• JPM case applications
• Common cause variation
• Billing based on JPM