HVAC REQUIREMENTS IN RADIOLOGY
(REFER TO DESIGN GUIDE, RADIOLOGY SERVICE, FOR GRAPHIC INFORMATION)
1. Indoor Design Conditions:
Area
Summer
Winter
HVAC Design
Degree C
Degree C
Manual Ref.
(Degree F)
(Degree F)
CT Scanner
24 (76) 50% RH
25 (78) 30% RH
Table 1-1
2. See VA Design Guide for:
General Purpose Radiographic, Dedicated Chest, Radiographic
Fluoroscopic, Special Procedure, CT suite, Ultrasonic, Mammography,
Automated Radiographic, Dark Room, Radiology Film Library, Patient
Gowning, and Daylight Processor areas.
3. Maintain NC-35 to 40 depending upon use of the space
1.3.12
4. Provide a dedicated air handling unit complete with return and /or
2.2.10
exhaust fan for Radiology
5. Filtration: Pre-filters 30%, and After-filters 85%
Table 2-1
6. Emergency power requirements for computer room units
2.16.2
7. Lead wrapping of duct work penetrating lead lined walls.
3.19.2
8. Provide a dedicated air handling unit for cooling of equipment in
2.12 and 3.17
the computer area.
9. Provide a dedicated air-cooled chiller as a back-up for total
2.12 and 3.17
cooling needs of the CT Suite.
Contact Satish Sehgal @ 202-565-5032, Kurt Knight @ 202-565-4663, Don Walden 202-565-5014 or Sat Gupta @
202-565-5268 for additional information.
September 2001
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