After piles for each footing are driven, where are they cut off?

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Multiple Choice

After piles for each footing are driven, where are they cut off?

Explanation:
After the piles are driven to the required depth, they are cut back so the pile heads extend a short distance into the area where the concrete cap will be poured. The standard practice is to cut them six inches above the top of the footing. This leaves enough exposed length to be embedded into the cap, giving good bond and alignment, while still allowing the cap forms to sit properly and the reinforcement to be placed. Cutting flush with the top would provide little or no embedment for the cap, and cutting a lot more than six inches can cause alignment or anchorage issues and complicate formwork.

After the piles are driven to the required depth, they are cut back so the pile heads extend a short distance into the area where the concrete cap will be poured. The standard practice is to cut them six inches above the top of the footing. This leaves enough exposed length to be embedded into the cap, giving good bond and alignment, while still allowing the cap forms to sit properly and the reinforcement to be placed. Cutting flush with the top would provide little or no embedment for the cap, and cutting a lot more than six inches can cause alignment or anchorage issues and complicate formwork.

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