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GrundoRam being lowered into pit.

Saturated silt soils proved difficult. Extensive shoring was required for both installations.

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Installation of the 36-inch casing

The 36-inch casing shown here after installation in one direction. Approximately 1000 feet of 36-inch casing was installed total.

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Grundoram in action

Pipe ramming underway on the 48-inch diameter casing. Two sections of 48-inch casing were installed totaling approximately 640 feet.

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Grundoram being lowered into pit.

The 24-inch diameter pipe rammer being lowered into the central pit on the 48-inch casing installation portion of the project.

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TT Technologies Cotter Segments

Cotter segments are useful in short ramming applications and reduce wall flaring.