Z2NZ--659-24-203: Extend Chilled Water to Hospice and Audiology

Provide chilled water from the building 31 primary chiller to serve Buildings 42 and 43,
bypassing the existing chillers in 42 and 43 during normal operation.
Normal Operation (Primary from Building 31)
• Building 42 and Building 43 are served directly from building 31 chilled-water
plant.
• The existing chillers for 42 and 43 are isolated and not in use.
• Valves and actuators shall be connected to the Building Management System
(BMS) and automatically controlled for mode selection.
Bypass Mode (Local Chillers in Service)
• Building 42: The existing chiller serves the 2" chilled-water line supplying
Audiology.
Glycol shall be replenished through the pot feeder.
• Building 43: The existing chiller serves the 3" chilled-water line supplying the
building.
Glycol shall be replenished through the pot feeder.
New Work / Modifications
• Install additional pumps in Building 42 to serve the 2" chilled-water line to
Audiology.