The haul-off worksheet starts with 15.56 bank cubic yards and applies 20 percent swell. What loose cubic yard quantity should be planned?
Correct Answer
D) 18.67 cubic yards.
Twenty percent swell gives 15.56 x 1.20 = 18.672, rounded to 18.67 loose cubic yards.
Why This Is the Correct Answer
Twenty percent swell gives 15.56 x 1.20 = 18.672, rounded to 18.67 loose cubic yards.
Why the Other Options Are Wrong
Option A: 17.56 cubic yards.
17.56 cubic yards. is below the supported result for earthwork swell calculation; it likely uses the wrong base, period, or account bucket.
Option B: 17.90 cubic yards.
17.90 cubic yards. is below the supported result for earthwork swell calculation; it likely uses the wrong base, period, or account bucket.
Option C: 18.20 cubic yards.
18.20 cubic yards. is below the supported result for earthwork swell calculation; it likely uses the wrong base, period, or account bucket.
Memory Technique
Earthwork Swell drawer for Planning Haul-Off: label percent before counting dollars.
Reference Hint
Study anchor (closed-book): memorize Earthwork swell calculation from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide estimating concepts; know the rule or calculation trigger without relying on exam-room lookup.
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