Pipe ramming machines

Jeff Griffin, Senior Editor

Trenchless rehabilitation of failing underground sewer infrastructure is covered extensively by the industry trade press and even consumer media, but the importance of deteriorated culverts beneath roads and highways typically receives less attention.

Compiled by Traci Read, Senior Editor

The 2009 Pipe Selection Guide is now available for download!

Considering the state of the economy, results from Underground Construction’s 12th Annual Municipal Survey reflected surprising optimism among city personnel across the United States. Understandably nervous and cautious about 2009, municipal personnel expect their funding levels to decline somewhat, though still remain near 2008 levels.

There are long bores. And then there are really long bores.

The Christiana Hospital and Helen Graham Cancer Center in Newark, DE, are located off Route 4. A local stream passes under the highway through a corrugated metal pipe (CMP) near the hospital.

The first decision a contractor should make when preparing a bid for any trenchless job is to identify the application that will be most efficient to complete the project. Each trenchless method has its advantages and works better in specific situations. However, sometimes the most efficient approach may involve using a combination of applications, requiring equipment that contractors may not have in their fleet.

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