Project Library
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Concrete Spillway Modification and Obermeyer Gate Installation
Tallassee, Alabama
We are currently replacing the existing Thurlow Dam spillway gates, which were installed in the 1920s. Replacing these flashboard spillway gates with a new Obermeyer inflatable gate system will allow for better water resource management. Read more
Coosa River Dams Aeration Project
Ohatchee, Alabama
The Coosa River Dams Aeration Project included installation of new aeration systems for three dams: Weiss, Neely Henry, and Logan Martin. Three units were installed at each dam. The project included civil, structural, electrical, and... Read more
Goat Rock Dam Turbine Installation
Smith's Station, Alabama
The project included extensive powerhouse modifications at Georgia Power Company’s Goat Rock Dam to accommodate two new horizontal bulb-type turbines, generators, and associated equipment. This work included setting new downstream stop... Read more
Lake Martin Dam Arch Replacement
Lake Martin, Alabama
The project consisted of the replacement of 20 bays of concrete arches on the Lake Martin Dam, which included 3 arches per bay for a total of 60 arches. In addition to the complex arch concrete removal and replacement, the project included... Read more
Logan Martin Dam Forebay Oxygen Diffuser System
Vincent, Alabama
The liquid oxygen diffuser system, part of the Coosa River Dams Aeration project, was a secondary aeration system installed on the forebay side of the dam at Logan Martin. The diffuser system includes seven diffusers extending upstream of... Read more
Martin Dam Powerhouse Crane Structure Rehabilitation
Tallahassee, Alabama
At the Martin Dam, the existing 200-ton crane was scheduled to be replaced. However, the existing crane structure was insufficient to support the new crane loads. Our team rehabilitated the existing crane structure in order to install the... Read more
North Carolina Hydropower Station Spillway Modification
Lilesville, North Carolina
Located at a hydroelectric power station, this project included modifications to the spillway crest, an addition of post-tensioned rock anchors, and replacement of spillway flashboards with pneumatically operated gates. It also included... Read more
North Carolina Hydropower Station Upstream Fish Passage
Lilesville, North Carolina
This project will enable fish to swim upstream past the hydro station powerhouse and spillway during their spawning season. The project consists of a new fish lift tower and hopper elevator system, reinforced concrete tailrace entrance... Read more
Upstate South Carolina Minimum and Recreational Flow
Upstate South Carolina, South Carolina
The project includes improvements to two diversion dam structures that create a reservoir in upstate South Carolina. The creation of an in-river recreational whitewater area downstream of the Long Bypass Reach (LBR) diversion dam is one of... Read more
Wallace Dam Forebay Oxygenation System
Sparta, Georgia
This project’s goal was to increase the overall dissolved oxygen in the discharged water from the trail race to meet the Federal Energy Regulatory Commission’s required 4.0mg/L standard during hydroelectric generation. This was... Read more