Labor Productivity & Rates Flashcards
7 cards from real CEC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Labor Productivity & Rates flashcards as text
A crew installs 480 linear feet of pipe in an 8-hour shift. What is the crew's productivity rate in linear feet per hour?
Answer: 60 LF/hr
480 LF ÷ 8 hours = 60 linear feet per hour.
Which factor most significantly reduces labor productivity when working in confined spaces?
Answer: Increased material handling time and restricted movement
Confined spaces restrict worker movement and require additional safety procedures, substantially reducing output per labor-hour.
An estimator uses a 'learning curve' adjustment in labor calculations. What does this account for?
Answer: Increasing worker efficiency as repetitive tasks are performed
Learning curves reflect that workers become faster and more efficient as they repeat the same task throughout a project.
The Davis-Bacon Act primarily affects construction labor estimates by requiring:
Answer: Payment of prevailing wages on federally funded projects
The Davis-Bacon Act mandates that workers on federal construction contracts be paid the locally prevailing wage and fringe benefits.
If a masonry crew's base productivity is 120 block/hour but a 15% inefficiency factor is applied, what is the adjusted rate?
Answer: 102 block/hour
120 × (1 − 0.15) = 120 × 0.85 = 102 block/hour.
Which scheduling condition typically causes the greatest reduction in labor productivity on a construction site?
Answer: Trade stacking — multiple crews working in the same area simultaneously
Trade stacking forces multiple subcontractors into the same workspace, creating congestion, interference, and significant productivity loss.
A framing crew of 5 workers completes a task in 40 hours. The all-in labor rate is $55/hour per worker. What is the total labor cost?
Answer: $11,000
5 workers × 40 hours × $55/hour = $11,000 total labor cost.