City of Seattle

Seattle Police Department West Precinct: Renovations

The City of Seattle (City) requested our expertise to replace the chiller equipment at the Seattle Police Department’s West Precinct. The design team evaluated existing capacity to determine electrical and mechanical system limitations. The roof structure was deemed inadequate for equipment loads except at locations where existing mechanical equipment was installed. New chillers were mounted at a remote location and set onto a working platform, which was extended above the roof and supported by existing columns. The platform was sized for both chillers with working clearances around each chiller. A new pump house was placed onto the existing curbing where the existing chillers were located. The project required tight environmental controls and included phasing as required to ensure continuity of building services.

West Precinct is a critical facility for the City and is occupied 24 hours, 7 days a week. The building, located in a dense part of the City, serves Seattle’s Downtown Business District and additional nearby neighborhoods to include Waterfront, Chinatown/International District, Pioneer Square, Belltown, Queen Anne, West Edge, SoDo, Westlake, Eastlake, Seattle Center, Denny Triangle, Magnolia, and South Lake Union.

PROJECT HIGHLIGHTS:

  • Instigated “Tier 2” protocols for equipment redundancy for all phases of the project.
  • Designed replacement chilled water systems to meet redundancy requirements without extending the existing electrical or mechanical system infrastructure.
  • Obtained requisite contractor requirements for working in secure City facility and for continuous facility operations.
  • Installed permanent ducting that has a point of connection (POC) for temporary leased cooling systems.
  • Installed a computer room air conditioning (CRAC) unit already on-site.