A crew productivity rate is 0.20 labor-hours per square foot for 750 square feet of work. How many labor-hours are required?
Correct Answer
A) 150 labor-hours.
Seven hundred fifty square feet times 0.20 labor-hours per square foot equals 150 labor-hours.
Why This Is the Correct Answer
Seven hundred fifty square feet times 0.20 labor-hours per square foot equals 150 labor-hours.
Why the Other Options Are Wrong
Option B: 120 labor-hours.
120 labor-hours. is below the supported result for productivity calculation; it likely skips a premium-pay or employer-cost component.
Option C: 175 labor-hours.
175 labor-hours. is above the supported result for productivity calculation; it likely pays the wrong premium tier or counts the same hours twice.
Option D: 200 labor-hours.
200 labor-hours. is above the supported result for productivity calculation; it likely pays the wrong premium tier or counts the same hours twice.
Memory Technique
Productivity ladder for Checking Production: hours climb before dollars add up.
Reference Hint
Study anchor (closed-book): memorize Productivity calculation from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide labor estimating; know the rule or calculation trigger without relying on exam-room lookup.
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