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Old Posted Nov 7, 2015, 4:06 AM
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scalziand scalziand is offline
Join Date: Aug 2007
Location: Naugatuck, CT/Worcester,MA
Posts: 3,492
That may very well be the starting of piling for a secant wall. Sometimes when they drill for a secant wall they use foam spacers to help mock up where the piles are going to be.
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