The Ruhlin Company Uses HeavyBid on AMP Willow Island Powerhouse

October 15, 2015 joshespinoza

The Ruhlin Company Uses HeavyBid on AMP Willow Island Powerhouse

The Ruhlin Company Uses HeavyBid on AMP Willow Island Powerhouse

The AMP Willow Island Powerhouse presented geotechnical challenges given the jobsite’s tight location. Ruhlin had to work around existing site challenges within tight constraints and leveraged the team’s technical expertise and proactive problem-solving skills to design intricate solutions. Containment of the river and groundwater flow was critical before excavation could begin. Next, the mass of bedrock needed stabilization to support the 40-year-old dam next to the 110-foot deep excavation. By staying in constant contact with everyone involved in the project, Ruhlin collaboratively tackled issues head-on to ensure that challenges did not impede construction progress. The excavation prepared a dry foundation for the Willow Island Powerhouse, designed to divert water from the Willow Island Locks and Dam through two turbines.

What makes it interesting?

Each of AMPs hydroelectric power plants required intricate construction expertise. Concrete must be poured at exactly 55 degrees, and heavy 36-foot turbines must be hung with a width of two business cards between blade and structure. Ruhlin had to build adjacent to an Army Corps of Engineers Lock and Dam, with a fault line running through the site. Conventional drilling and blasting techniques were not allowed on the site.

How HCSS Software assisted with this project

There were several owner modifications after the initial bid. Ruhlin copied the old estimate and made updates, preserving the history of changes. After winning, they were able to make changes to costs and activity codes and then export from the accounting subsystem. They imported directly to Viewpoint to create the budget. Ruhlin won due to complete integration of the estimating process and elimination of duplication that helped win the project.

Read More About This Project

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