UNIVERSAL X-RAY ROOM
Definition of Universal X-Ray Room. "The universal X-ray
room shall be capable of accepting all routine radiographic,
fluoroscopic, and tomographic equipment, up to 1200 ma, 150 kvp,
regardless of manufacture, during initial installation and subsequent
replacement actions with little, if any, facility modification. The
procedures shall be performed unencumbered and without any restriction of
system components, patient size, or any known procedure that any
installed X-ray equipment can perform now or in the future." This
definition does not apply to digital radiography, special procedure
rooms, C-arms, or angiography rooms.
Planning and Programming. The universal room shall be a
maximum of 28 net m2 (300 net square feet) including space for equipment,
control booth, and circulation. Critical room dimensions and layouts are
given in Figure C-1. Utilities distribution methods may be modified for
use in projects utilizing IBS concepts when implemented (see Section 19).
Electrical Raceway System. An extensive raceway system is
provided so the universal room will accept any manufacturer's equipment
without additional raceways, facility modifications, or use of exposed
wiring. The raceway system consists of trench floor ducts, lay-in wall
ducts, and ceiling cable trays as shown on Figure C-1 and C-2.
Floor ducts are bottom-type trench duct, with nominal 90 mm
(3.5 in.) by 300 mm (12 in.) 250 mm (10-inch) tub with a 300 mm (12-inch)
wide, 8 mm (1/4-inch) thick steel cover plate. Cover plate must be
installed flush with and have the same tile insert as the floor. Provide
a gasket on the cover plate to maintain water tightness.
Wall ducts are nominal 10 mm (3.5 in.) by 250 mm (10 in.)
with 300 m (12-inch) wide flush mounted cover plates finished to match
the walls. Wall duct must be UL listed for enclosure of wiring to x-ray
machines (reference C-a).
Ceiling cable trays are nominal 10 mm (3.6 in.) by 300 mm (12
in.) 80 mm (3-inch) load depth NEMA Class 12A ladder type installed above
the finished ceiling. Wall duct, nominal 10 mm (3.5 in.) by 250 mm
(10 inch), may be used in lieu of cable trays.
Partitions must be provided in all ducts and cable trays to
separate high and low voltage cables.
Electrical Service Requirements. Each universal room must
have adequate power service to insure that all X-ray equipment can be
installed without additional facility related electrical work. All
feeder conductors will be copper.
Appendix C - 1