Fort Washington Slide

8″ Pipe Abandonment

Fort Washington, Maryland

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The Job

As part of continuing waterline replacements, a utility contractor in Fort Washington, Maryland, needed to abandon 10,600LF of 8″ water main. The utility and DOT both require grouting of all utilities 6″ and larger taken out of service.

The Challenge

In order to minimize the number of placement points, the grout needed to be exceptionally mobile.

The Solution

CJGeo proposed a 30lb/cuft cellular grout, and worked with the client to design a grouting plan that would allow grouting all 10,600LF of pipe from just three access points. CJGeo performed the grouting over a period of two days, with no additional excavation required from the customer other than their original tie ins/disconnects.

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