Saving a Sinking City

by David E. Puza, Proj. Executive; Nab Construction Corp., College Point, NY,
Robert J. Breslin, Proj. Mgr.; Nab Construction Corp., College Point, NY,

Serial Information: Civil Engineering—ASCE, 1997, Vol. 67, Issue 2, Pg. 48-51

Document Type: Feature article

Abstract: A construction team repairing a bridge or expanding a hospital usually must work around the daily activities of the affected group of people. But for a construction project in Co-op City, a 30-year-old community in The Bronx, a borough of New York City, the whole town is under construction, and as many as 60,000 pedestrians traverse the site every day. While residents go about their daily lives throughout the community, Nab Construction Corp., a general contracting firm from College Point, N.Y., is replacing the underground systems that deliver electricity, hot water, heat and air conditioning to every home and business. Riverbay Corp., the owner of Co-op City, has engaged Nab to install an entirely new electrical distribution system in underground conduits and to replace the existing underground dual-temperature and high-temperature hot water systems. The total construction cost of approximately $74 million comprises electrical construction with excavation and other attendant costs of $15 million; mechanical construction, with excavation, etc., $40 million; structural work and piles, $5 million; and civil construction and landscaping, approximately $14 million. Urbahn Seelye, a joint venture of Urbhan Associates Inc., and Seelye Stevenson Value & Knecth, New York, is the architect/engineer for the project and Lehrer McGovern Bovis, New York, is construction manager. Nab began the project in February 1995 and is scheduled to complete it in June 1998.

Subject Headings: Underground construction | Infrastructure | Construction methods | Excavation | Construction costs |

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