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For a 12,000 square foot building with 14-foot ceiling height, how many cubic yards of concrete are needed for a 6-inch thick slab-on-grade?

Correct Answer

B) 222 cubic yards

Volume = 12,000 sf × 0.5 ft = 6,000 cubic feet. Convert to cubic yards: 6,000 ÷ 27 = 222 cubic yards. The ceiling height is irrelevant for slab calculation.

Answer Options
A
315 cubic yards
B
222 cubic yards
C
185 cubic yards
D
267 cubic yards

Why This Is the Correct Answer

Volume = 12,000 sf × 0.5 ft = 6,000 cubic feet. Convert to cubic yards: 6,000 ÷ 27 = 222 cubic yards. The ceiling height is irrelevant for slab calculation.

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