A project site has 25 workers and generates 3.2 cubic yards of construction debris daily. The project duration is 45 days. What is the total estimated debris volume requiring disposal planning?
Correct Answer
B) 144 cubic yards
Total debris = Daily generation × Project duration = 3.2 cubic yards/day × 45 days = 144 cubic yards. This calculation helps determine disposal requirements and environmental compliance needs.
Why This Is the Correct Answer
This is a straightforward multiplication problem involving daily waste generation over the project duration. The calculation multiplies the daily debris generation rate (3.2 cubic yards per day) by the total number of project days (45 days) to get the total volume. The number of workers (25) is irrelevant information included as a distractor. This type of calculation is essential for waste management planning and environmental compliance on construction projects.
Why the Other Options Are Wrong
Option C: 80 cubic yards
This answer of 3,600 cubic yards incorrectly multiplies all three given numbers (25 workers × 3.2 cubic yards × 45 days = 3,600), treating workers as a multiplier when they're irrelevant to the debris volume calculation.
Option D: 3,600 cubic yards
This answer of 80 cubic yards appears to incorrectly use the number of workers (25) in the calculation, possibly multiplying 3.2 × 25 = 80, which ignores the project duration entirely.
Memory Technique
Remember 'Rate × Time = Total' - just like calculating total distance (speed × time), total waste equals daily rate × project days. Ignore worker counts in debris calculations unless specifically told debris is per worker.
Reference Hint
Florida Building Code Chapter 1 - Administrative provisions regarding waste management requirements, or project management sections covering material estimation and waste disposal planning.
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