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3.3 Air-Conditioning System
3.3.1 Medical Center. During disaster emergencies, the air-conditioning system for hospital projects
shall be capable of cooling one operating room, one intensive care unit, and one
recovery room by utilizing chilled water system separate from the main chilled water system.
NOTE: See VA HVAC design manual for hospital projects which require a separate air-cooled
chilled water system for these areas.
3.3.2 Ambulatory Care Center and/or Ambulatory Care Area of the Hospital. Provide an independent
air-cooled air-conditioning system with emergency power for critical and other areas. Contact the VA
facility to determine the areas to be served in the hospital.
3.3.3 Research Building. No additional air-conditioning requirements for disaster protection.
3.3.4 Air-Conditioning Equipment. Locate air-conditioning equipment above the 100-year flood plain.
(NFPA) 99.
3.5 Water Services
3.5.1 Emergency Water Supply. In addition to the standard water supply requirements, provide the
following:
3.5.1.1 Earthquake Areas. Where available, provide a valved-off standby emergency water service
connection to an independent water system operated by another public agency, a university, or a private
water company. It is preferred, but not required, that the emergency water connection be capable of
delivering the design water service requirements of the VA facility. Because of their vulnerability to
earthquakes, do not provide wells for post-earthquake emergency use.
3.5.1.2 Hurricane Areas. Where available, provide a valved-off standby emergency water service
connection from an independent water system operated by another public agency, a university, or a
private water company. Connect well pump(s) to an emergency generator. Provide treatment
equipment for potable water as indicated in paragraph 3.5.4.
3.5.1.2.1 Medical Center. Provide a well(s) to supply a total daily emergency demand of
380L/day/bed (100 gallons per day per bed) for potable and cooling tower water. Depending upon the
location of the nursing home, domiciliary, research building or energy center, they may require a
separate well from that used for the hospital building.
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