Off Site Build and Transport – A unique solution to a unique problem
“PSEG’s new Sewaren 7, a 540 MW combined cycle generating facility in Woodbridge, New Jersey was put out to bid for mechanical contractors in August of last year. On many levels, it was a typical bid package: a gas fired combined cycle power plant consisting of a GE centerline package, a GE/Alstom designed C-Frame HRSG, a 20 cell ACC, and the balance of plant piping and equipment.
The project did, however, present two major challenges. First, the schedule was extremely aggressive – 11 months from turbine delivery to First Fire.
This was achievable, but would require a lot of careful upfront planning and coordination between contractors. Second, the site was extremely small, and elevated on an 8-foot-tall island.
The legacy plant at the site had sustained significant damage in Hurricane Sandy, and the new design called for the entire power block to be elevated on a sheet pile walled island to help protect it against future storm surges.”
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