The soil-haul worksheet lists a trench 36 feet long, 3 feet wide, and 3.5 feet deep. How many cubic yards are excavated before swell?
Correct Answer
C) 14 cubic yards.
The trench volume is 36 x 3 x 3.5 = 378 cubic feet. Dividing by 27 gives 14 cubic yards.
Why This Is the Correct Answer
The trench volume is 36 x 3 x 3.5 = 378 cubic feet. Dividing by 27 gives 14 cubic yards.
Why the Other Options Are Wrong
Option A: 12 cubic yards.
12 cubic yards. is below the supported result for excavation takeoff; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 13 cubic yards.
13 cubic yards. is below the supported result for excavation takeoff; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 15 cubic yards.
15 cubic yards. is above the supported result for excavation takeoff; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Estimating Utility takeoff: count the condition before counting the package.
Reference Hint
Study anchor (closed-book): memorize Excavation takeoff from CSLB B General Building Study Guide; California Building Code, Title. / Title 24 California Building Code sitework quantity concepts; know the rule or calculation trigger without relying on exam-room lookup.
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