Backwall Demolition         
A worker uses a robotic arm jackhammer to demolish the old backwall, making way for stone removal and the pouring of a new abutment seat and backwall for the new steel.
Date: 8/20/2008 Location: Plainfield, NJ Views: 127 Collection Of:   Dave Abeles
Author:  David Abeles
Backwall Demolition
Picture Categories: This picture is part of album:  So, you want to replace a railroad bridge...
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