FINAL DRAFT 9/28/95
Magnetic Resonance Imaging
Design Standards
ARCHITECTURAL
Ceiling:
Acoustic Ceiling Tile
ADP:
---
Ceiling Ht:
Coordinatew/ Equipment
Radio:
---
Manufacturer up to 3130mm (13')
Telephone:
Yes
Wall Finish:
Paint
Intercom:
Yes
Wainscot:
---
Public Addr:
---
Base:
Resilient Base
Notes:
---
Floor Finish:
Vinyl Composition Tile
HEATING, VENTILATING AND AIR
Slab Depr:
Access Floor System 40 mm
CONDITIONING
(1-1/2") slab depression for RF
Shielding in Gantry Room
0
0
Dry Bulb Temp Cooling:
21 C (70 F) for
Notes:
1. 1200 mm (4'-0") wide RF door
computer room,
into Gantry Room coordinated
0
0
24 C (76 F)
radio frequency and magnetic
all others
shielding requirements with
0
0
Dry Bulb Temp Heating:
21 C (70 F) for
equipment manufacturer
computer room,
0
0
25 C (78 F)
SPECIAL EQUIPMENT
all others
None
Minimum % Outside Air:
15%
100% Exhaust Air:
Required only in
ELECTRICAL LIGHTING
emergency for
MRI Gantry
General:
Control Room: 30 fc - 1.0 W/sf
Noise Criteria
NC 35 in Gantry
Remote Viewing: 30 fc-1.5W/sf
NC 40 in others
Control Room: 30 fc -.90 W/sf
Steam:
Yes
Gantry Room: 30 fc - 2.5 W/sf
Relative Humidity/Cooling:
50%
Notes:
1. 600 mm x 1200 mm (2'x4')
Relative Humidity/Heating:
45%
recessed fluorescent light
40% +/- 5 in computer room
fixture, acrylic prismatic lens,
Minimum Air Changes/Hr.: 12 for MRI Gantry
W/2-F32T8 lamps, 4100 deg.
4 for all others
k, CRI-85 (minimum).
Room Pressure:
Positive for Gantry Rm
2. Recessed, lensed
Equal for all others
incandescent down light with
AC Load-Equipment:
4400W (15,000 Btu/hr)
100w, A-21
lamp.
for Gantry
POWER
2400W (8000 Btu/hr)
all others
General:
3200W (receptacles)
2
AC Load Lighting:
27 W/m (2.5 W/sf)
Emergency:
Gantry
Notes:
1. 480v, 3P, flush-mounted circuit
2
17 W/m (1.5 W/sf)
breaker with shunt trip for MRI
all others
system. Coordinate rating with
Number of People: 6 for MRI, 3 for all others
system supplier.
Special Exhaust:
---
2. 480v, 3P, flush mounted circuit
Notes:
1. The HVAC system serving the
breaker with shunt trip for
Gantry Room needs to be
computer room's A/C unit (when
capable of handling 100% O.A.
provided).
Coordinate rating
with system supplier.
3. DC power supply (rectifier) for
MRI Gantry Room lighting.
Rating as required for room
lighting load.
VA DESIGN GUIDE
MAGNETIC RESONANCE IMAGING
4-1
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