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Gunnuk Creek Hydro Electric Penstock

Industrial

The inherent strength of steel proved a natural choice for this remote Alaskan hydro penstock project. We manufactured engineered pipe in long self-supporting lengths that could be cantilevered one at a time to reach the supporting above-ground piers.

Engineered Steel Water Pipe

Ellwood Water Treatment Plant

Industrial

Used as the carrier pipe to encase both a water line and a utility line for this water treatment plant project, Permalok pipe鈥檚 ability to support continuous tunneling, as opposed to the 鈥榮top and weld鈥� helped this project finish on an expedited schedule.

Permalok Steel Casing Pipe

Homestake Suction Pipeline Replacement

Rehabilitation

Using a sliplining application, steel pipe replaces sections of an aging concrete water system through the rough terrain of the Continental Divide.

Engineered Steel Water Pipe

Kearney Lake Road Slipline

Rehabilitation

An Innovative joint proves successful in critical sprialweld steel pipe slipline project to rehabilitate a deteriorating PCCP water main. The result is a structurally independent system with a 100-year service life.

Engineered Steel Water Pipe

Old Dominion Electrical Cooperative Wildcat Intake

Trenchless

To counter act the natural buoyancy of steel, we upsized our Permalok steel casing pipe and installed internal cast iron ingots to provide sufficient weight. This new approach proved successful in this underwater intake and conveyance pipeline.

Permalok Steel Casing Pipe

Weaverville California State Route 3 Culvert Rehabilitation

Trenchless

The project鈥檚 mountainous terrain provided a great environment to introduce our new Permalok庐 Auger Bore Joint, which requires less jacking force for full joint engagement.

Permalok Steel Casing Pipe

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