Auburn, NY
GeoSpray® Geopolymer Mortar: Penstock Rehabilitation

Project Overview
The city of Auburn, NY, currently operates several small hydroelectric facilities that use the water from the Owasco River, just north of the Finger Lakes. One of these includes the Mill Street Dam Hydropower Facility. The systems consist of a dam that diverts water during high flow times through a penstock to a small turbine and then back into the river. The original penstock was made from welded in place steel nearly 100 years ago. Over time, roads and other structures had been built above the pipe and the steel structure had begun to corrode. The city of Auburn approached Precision Trenchless, LLC of Schenectady, NY, looking for a long-term solution to create a new structural penstock, within the current structure.

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