Project: Jamaica Dewatering Facility – Contract 56G
Owner: New York City Department of Environmental Protection
Architect / Engineer: Stone Webster, Hazen & Sawyer Pirnie Baker
Completion Date: April 1992



  • Coney Island Sewer Treatment Plant – Contract 7G: 1994
    Project: Coney Island Sewer Treatment Plant – Contract 7G Owner: New York City Department of Environmental Protection Architect / Engineer: Pirnie Baker Completion Date: May 1994
  • Queens Midtown Tunnel – QM-14: 2003
    Project: Queens Midtown Tunnel- Contract #QM-14 –  Rehabilitation at the Queens Midtown Tunnel – Tunnel Leak Repairs Frontier-Kemper/ Silverite (A Joint Venture) Owner: MTA/Long Island Railroad Architect / Engineer: Parsons Brinkerhoff Completion Date: March 2003
  • Wards Island WPCP Plant Stabilization: 2013 – Ongoing
    Project: WI-79G WP-103 Wards Island WPCP Plant Stabilization 2 Owner: New York City Department of Environmental Protection Architect / Engineer: Malcolm Pirinie Start date: March 2013 Completion Date: Ongoing
  • Newtown Creek WPCP – #NC-30G: 2009
    Project: Newtown Creek WPCP Owner: New York City Department of Environmental Protection Architect / Engineer: Greeley & Hansen/ Hazen & Sawyer Completion date: June 2009