Westbrook 540MW – Power Plant Site Development

Westbrook, ME

“I witnessed early on the attitude of the workers and their attention to detail. Cianbro uses a real team approach.”

Bill Vogel, Plant ManagerWestbrook Energy Center Calpine Corporation

Scope of Work

Cianbro managed and constructed a 540 MW, gas-fired, combined cycle power plant.

Project Details

  • Site Development Project Details:
    • Performed extensive site work to include the following:
    • Cleared and grubbed 18 acres
    • Site-cut 46,000 cy
    • Stripped over 13,600 cy of topsoil
    • Site filled 30,000 cy
    • Exported 40,000 cy of material
    • Foundation excavation at building site consisted of 6,600 cy of material
    • Supplied and placed 17,000 cy of gravel
    • 7,000 cy for large piping that Cianbro placed
    • 1,200 lf of 84-inch underground circulating piping
    • Drove 1,700 H-pile (12 inch and 8 inch) totaling 62,000 lf
    • Placed over 24,000 cy of concrete foundations for both the building and equipment
  • Balance of Plant Project Details:
    • Installed two 7 FA gas turbines—weighing 370,000 lbs / each and two generators weighing 540,000 lbs /each
    • Installed two HRSG units
    • Installed one D-11 Steam Turbine
    • Self-performed all mechanical, electrical, instrumentation, and piping—including 1.2 million lf of cable with 30,000 terminations