Construction Materials & Labor Costs Flashcards
7 cards from real CCT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Construction Materials & Labor Costs flashcards as text
In the context of labor productivity, what does an 'all-in rate' for a construction worker represent?
Answer: Base wage plus all burdens including taxes, insurance, and fringe benefits
The all-in rate captures total employer cost per hour including base wage, payroll taxes, insurance, and benefits.
Which factor most significantly causes material quantity 'waste allowances' to vary between different materials on a construction project?
Answer: Material form, cutting requirements, and installation method
Waste allowances depend on how a material is shaped, cut, and placed; for example, tile requires more waste than pipe due to cuts at edges.
A prevailing wage requirement on a public project primarily affects which component of the cost estimate?
Answer: Labor cost per hour for covered trades
Prevailing wage laws (e.g., Davis-Bacon Act) set minimum wage and fringe rates for labor on covered public construction projects.
Ready-mix concrete is typically sold in the US in which unit?
Answer: Cubic yards
Ready-mix concrete is ordered, delivered, and priced per cubic yard in standard US construction practice.
Which of the following best describes 'open-shop' versus 'union-shop' labor cost implications for a cost estimator?
Answer: Union labor typically has higher all-in rates but may offer standardized fringes; open-shop rates vary regionally
Union all-in rates include negotiated fringes and are set by collective bargaining agreements, while open-shop rates vary by region and employer.
Rebar (reinforcing steel) is measured and priced in construction estimates primarily by which unit?
Answer: Pounds or tons
Reinforcing steel is quantified by weight (pounds or tons) because bar sizes have varying weights per linear foot.
A productivity factor of 0.75 applied to a standard labor output rate means the crew will accomplish what percentage of the standard daily output?
Answer: 75% of standard output
A productivity factor of 0.75 means the crew achieves 75% of the baseline output due to site conditions or other inefficiencies.