Magnet Room Requirements - GE SIGNA Voyager Pre-Installation

2.2 Magnet Room Requirements

1. Two cable trays must be used, each at least 18 in. (457 mm) wide
2. Installation and routing of cable trays must be coordinated with the RF shield vendor
3. Side-to-side trays in the Magnet room must not touch to prevent RF broadband noise
caused by metal-to-metal sidewall contact
4. If trays are stacked, the air, water, and cryogen lines must be run in the lower support (see
Illustration
5. Each cable tray must support a weight of at least 50 lbs/ft (74.8 kg/m)
NOTE: If stacked, each cable tray must support the weight of both cable trays: i.e., 100
lbs/ft (149.6 kg/m)
6. Ceiling grid work, medical gas lines, lighting fixtures, etc. must not touch MR system cabling
or cable supports
7. Excess cable length in the Magnet room must be stored in either:
a. Penetration Panel closet
b. Magnet room cable trays (excess cable must be at least 36 in. (915 mm) from the
magnet end of the tray)
134
Illustration 6-2: Obstruction Example
6-3)
SIGNA Voyager Pre-Installation
Direction 5680008–1EN, Revision 2
2 MR System Interconnects Routing Requirements