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Hebgan Dam - Montana- Northwest Underwater Construction

A-Core of Idaho was contracted to perform specialized wire sawing methods. On the remote location of Hebgan Lake, we cut off large concrete masses from underwater piers. We wire sawed 7 vertical cuts and 4 horizontal cuts through a under water retaining wall 3 feet thick. Work was performed from a floating barge. A-Core teamed up with support divers to drill holes for the cable and picking holes. Our crew pulled all of the cuts from on top of the barge. The entire project was completed in 8 days.