First phase included the demolition of the existing 3-cell wooden cooling tower and installation of a new 6,600-ton fiberglass, field erected cooling tower, repair of concrete basin, new electrical gear, controls, vertical turbine pumps, and the replacement of makeup water piping. The second phase consisted of the demolition and replacement of two 1,500-ton chillers and two 4,200-gpm chilled water pumps, demolition of the existing above and below ground condenser supply piping, installation of new underground pre-insulated steam, condensate, and chilled water piping, excavation, shoring, backfill, asphalt, and concrete replacement. Green performed the rigging and assembly of the chillers on site. New refrigerant monitoring system, exhaust fans, and ductwork were installed for the new chillers.

Client: National Institute of Standards and Technology
Location: Gaithersburg, MD
Completed: 2010

Ready to work with us? Get your company Prequalified today!