Energy Services Programs

Project Profile:  Headquarters Building, New York City Police Department

One Police Plaza, the New York City Police Department’s 17-story headquarters building since 1977, faced several major problems: Its 1,000-ton steam-driven chiller was out of commission and used a refrigerant whose production was banned (R-11 refrigerant); and the building needed backup cooling capacity and an emergency power system to provide air conditioning in the event of a power failure.

In addressing these problems, NYPA’s Energy Services project team had one overriding concern—constructing a new central chiller plant without disrupting the 24-hour functions at the heart of NYPD operations. The accelerated construction schedule included rigging of large pieces of equipment on the roof and in penthouse-level mechanical equipment rooms, more than 120 feet above street level.

Aging steam turbine equipment in the 500,000-square-foot structure was replaced with two new high-efficiency chillers to address the cooling capacity needs and reduce operation and maintenance costs, an emergency diesel generator to drive the chillers, and cooling towers and air handlers to keep critical areas cool in an emergency.

The $3,600,000 project also included an electrical service upgrade.

Today, new, more-efficient equipment is lowering fuel and maintenance costs, meeting increased cooling demands and ensuring that an uninterruptible cooling supply of air is always available to the NYPD urgent communications center and 911 calls at the nerve center of the nation’s largest police department.

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