Markets Served / Project Experience

Usna Chilled Water System Upgrades

Annapolis, Maryland

LocationAnnapolis, Maryland
MarketOther Specialty Projects

Contract

$773,437

Team Members

Owner
U.S. Naval Academy
Engineer
RMF Engineering, Inc.
Prime Contractor
Constellation Energy Projects & Services Group, Inc.
Subcontractor
Johnston Construction Company

Key Accomplishments

  • Supported chilled-water service to Rickover Hall, Alumni Hall and Nimitz Hall while operating in conjunction with the Science Chilled Water Plant.
  • Procured and installed three new 200 HP chilled-water pumps and motors for the booster-pump system.
  • Installed the three 200 HP pump assemblies within the G49 Chiller Plant.
  • Furnished and installed variable-frequency drives (VFDs) serving the new pumping equipment.
  • Integrated the new pump system with existing plant electrical and control infrastructure.
  • Utilized available spare breakers within the existing Michelson Hall electrical switchgear to support the new equipment.
  • Installed new electrical conduit and wiring between the Michelson Hall Electrical Room and the G49 Chiller Plant.
  • Routed electrical infrastructure through the existing mechanical/distribution tunnel.
  • Performed demolition and modification of existing chilled-water piping required for the new booster-pump-loop connections.
  • Removed approximately 12 feet of existing 18-inch chilled-water supply and chilled-water return piping to complete system modifications and tie-ins.
  • Furnished and installed new chilled-water piping, valves and associated mechanical components.
  • Installed engineered pipe hangers, supports and related appurtenances for the modified chilled-water piping system.

Project Description

Performed comprehensive mechanical, electrical and controls construction for upgrades to the U.S. Naval Academy campus chilled-water distribution system.

Added a new booster pump loop to the existing campus chilled-water system to improve chilled-water flow to major Academy buildings.

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