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route 72 manahawkin bay bridges project graphic

Archived Photos

February 2014

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A vibratory hammer is used to drive the steel casing through the upper layers of soil to faciltate the concrete caisson foundations. This casing is installed to help keep the soil out of the excavated areas which are cleared using a drill; the drilled holes will be filled with concrete to complete the caisson construction.


This view is of a reinforcement steel cage being delivered and prepared for installation into a concrete caisson. Work continues during adverse weather conditions to keep the project on schedule.




This view shows a drill in use. The drill is being lifted so that the excavated material can be cleaned, removed and work can progress effectively.

A reinforcement steel cage is being lifted into place and prepared for installation into a concrete caisson. The reinforcement steel increases the strength of the caisson and extends to the bottom of the element, approximately 80 feet below ground.
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  Last Updated:  July 9, 2014