Final Draft 12-31-95
Revised May 1997
Technical Considerations
Narrative
Seismic
Power
Where required, the plumbing and medical
General purpose duplex receptacles are
gases systems should be installed with
typically provided on each wall of a room or
seismic provisions as outlined in the VA
space.
Plumbing Design Manual for Hospital projects.
Dedicated duplex or special receptacles are
provided for selected pieces of equipment
Refer to VA Handbook H-18-03 (CD-54),
such as refrigerators.
"Natural Disaster Resistive Design Non-
Structural" for additional information.
Workstations
with
personal
computer
computers (PC's) are typically provided with
Electrical
quadruplex receptacles for the PC, monitor
and printer.
Emergency power from battery generated
Illumination is typically provided utilizing
equipment may be desirable. Generators for
recessed fluorescent luminaries with acrylic
emergency power to x-ray equipment is now
prismatic lenses. The fixtures typically use
feasible.
F32T8 lamps in compliance with the National
Junction boxes are provided for equipment
Energy Policy Act of 1992. Lamps have a
requiring a hardwired connection.
minimum color rendering index (CRI) of 85
and a color temperature of 4100 degrees
Certain modular casework units are provided
Kelvin (K), which is close to the "cool white"
with a utility access module with surface
color temperature of 4150 degrees K.
mounted electrical strip mold and also
provides a chase for wiring. Conduits and
Fluoroscopic rooms will need incandescent
junction boxes are provided to connect to the
lights on dimmers in addition to regular
utility access module for power wiring.
lighting.
Duplex receptacles on the critical branch of
the emergency power system are provided for
Lighting intensities conform to the VA design
selected pieces of equipment
criteria, the IES Lighting Handbook and IES
publication CP-29, "Lighting for Health Care
Security
Facilities".
IES CP-29 is currently being
(not used)
updated and will be replaced by IES
Recommended Practice RP-29 in the future.
Life Safety
Purpose
Lighting is typically controlled by wall mounted
switches located at the entrance to the room.
The life safety program should be developed
Larger spaces may utilize multiple switching
to provide a reliable system to protect the
by separate switches for lighting of individual
building occupants, firefighting personnel,
zones or areas.
building contents, building structure and
continuity of building function.
Its intent
Power load densities for lighting are listed for
should be to provide a reasonable level of fire
use by the mechanical HVAC load calculation
safety by reducing the probability of injury,
purposes. Load densities should be verified
loss of life or building function changes due to
for the actual design, as they may vary
a fire. This can be accomplished by limiting
depending on the room configuration, fixture
the development and spread of a fire
types, lamps and ballast used.
emergency to the area of origin and reducing
the need for total occupant evacuation.
VA DESIGN GUIDE
RADIOLOGY SERVICE
PAGE 2 -9
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