A tremmie is used during the drilling of a pier to

A) prevent the caving in of the soil.
B) seal the pier hole against percolation of water.
C) bring up the groundwater that collects at the bottom of the pier.
D) bring the cut soil out of the hole.
E) none of the above.


E) none of the above.

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Fill in the blank(s) with correct word

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What will be an ideal response?

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