Determine the amount of backfill needed for the spread footing and column in Problem 41. From Problem 41 the depth of excavation was 9.5 ft and quantity of excavation was 269 bcy. Find the volume of the footing and the column:
What will be an ideal response?
Footing volume = 8? × 17? × 2.5? = 340 cf / 27 cf per cy = 13 cy
Column volume = 3? × 12? × 7? = 252 cf / 27 cf per cy = 9 cy
Find the volume of the backfill. The backfill will be in compacted cubic yards (or feet).
Backfill (ccy) = 269 bcy – 13 cy – 9 cy = 247 ccy
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