User's Manual

GSM/802.11b RadioFrame System Method of Procedure
Pre-Installation
RadioFrame Networks, Inc.
25
• Storage cabinets shall be secured to the wall to prevent upset. Storage cabinets shall
also have closable, secured doors to prevent contents from spilling during an
earthquake.
• Ladders and other large objects shall be secured to a wall or removed from the
equipment room when not in use. These items have been known to fall into “live”
equipment during earthquakes.
3.3.2 Clearances
Proper spacing of equipment is essential for efficient use of the room area, ease of
maintenance, and safety of personnel. The following specifications have been
established to meet the National Fire Protection Associations (NFPA) Code, and the
American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)
standards. Any local regulations, as applicable, shall also be adhered to.
• To provide adequate working space, a 576 sq. in. (0.37 m
2
) footprint (as measured
from facing equipment surfaces) shall be used for combining equipment.
NOTE: Local codes may require additional clearance. In such cases, the local code
shall prevail.
• 36 in. (91 cm) front and side aisles shall be maintained around electrical panel
boards (NPPA 70, Article 110-26).
• 36 to 48 in. (91 to 123 cm) front, side, and (where applicable) rear aisles are required
for servicing equipment.
• 36 in. (91 cm) aisle shall be maintained in front of all equipment.
• 36 in. (91 cm) aisle shall be maintained between at least one end of an equipment
row and building wall or other obstruction; longer aisles may require additional
access breaks. Larger aisles and additional access breaks in a row may be require
as the row becomes longer, such that a fire in the aisle does not prevent egress.
Comply with any codes regarding fire egress specifications.
• Ingress and egress to equipment rooms shall conform to NFPA 70, Article 111 and
local building and fire codes.
• In US installations where a facility is to be normally occupied, American with
Disabilities Act (ADA) shall be complied with. Some general requirements of ADA are
91.5 cm (36 in.) wide doors, ramps and safety rails, 36 in. (91.5 cm) can turn around
clearance for wheelchairs, and specific placement of telephones, fire extinguishers,
light switches, etc.
NOTE: ADA compliance in architectural plans may be required in obtaining a
construction permit in some localities.
Main Rack Clearances
BACK 36”
FRONT 36”
SIDES 36”
ABOVE 36”