Technical Requirements -
Telephone/Data Spaces & Cable Pathways
louvers and or vent vans must be provided and meet NFPA requirements.
Provision must be made to ensure that temperatures in closets do not
exceed 90 F during periods when the building is unoccupied and building
air is not in use.
C. If a standby power source is available in the building, the HVAC system
serving the telephone/data closet should be connected to the standby supply.
Fire Protection - Telephone Equipment Room
1. "Pre-action" automatic sprinkler system shall be installed within the Telephone
Equipment Room and the Telephone Console Room.
2. If the raised floor is 18 inches or more in height and required by local code, an
automatic sprinkler system shall be provided in the underfloor space.
3. Smoke detection shall be provided for both the ceiling and under floor and must
be connected to the building fire alarm system and pre-action sprinkler system.
4. Class A, one hour fire resistive construction in accordance with NFPA 101,
NFPA 75 and BOCA.
VBA Design Guide
Page 4-31
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