3.7.2 INDOOR DESIGN CONDITIONS
Summer: 24 degrees C (76 degrees F) Db, 50 percent RH
Winter: 25 degrees C (78 degrees F) Db, 30 percent RH
3.7.3 EMERGENCY POWER REQUIREMENTS
(a) HVAC equipment serving CT scanner area shall be on emergency power.
3.7.4 CT SCANNER HVAC SYSTEMS
3.7.4.1 Environmental Unit:
(a) Provide a dedicated air-handling unit to serve the CT Suite. The
capacity of the air-handling unit shall be based on the actual internal
heat gain (equipment load, occupancy, and light load) and indoor design
conditions per the CT unit manufacturer.
(b) Coordinate the lead lining, if needed, per requirements for the HVAC
ductwork in Examination Room, with the architect and the equipment
manufacturer.
(c) The air-handling unit should shut down during unoccupied hours.
3.7.4.2 Computer Unit: An air-handling unit shall be provided for the
cooling of CT Scanner and the associated computer room. The unit capacity
and specific requirements shall be established in consultation with the
equipment manufacturer.
3.7.4.3 Air-cooled chiller: Provide an air-cooled chiller for the
environment and computer units. Also, connect these two units with central
chilled water system as a back up.
3.8 COMPUTER ROOMS
3.8.1 GENERAL
The HVAC system shall be a free standing, factory-packaged, A/C unit
specially designed for computer rooms.
3.8.2 INDOOR DESIGN CONDITIONS
Summer: 21 degrees C (70 degrees F) Db, 40 percent RH (5 percent)
Winter: 21 degrees C (70 degrees F) Db, 40 percent RH (5 percent)
3.8.3 CONSTRUCTION STANDARD
See Construction Standard 866-1 for additional design parameters.
3.8.4 EMERGENCY POWER REQUIREMENTS
HVAC equipment serving computer rooms shall be on emergency power.
HVAC DESIGN MANUAL
3-5
HVAC REQUIREMENTS FOR OCCUPIED AREAS
Previous Page
