8.3.2
OTHER CONDUITS REQUIRED FOR THE SYSTEM:
(a) A minimum of two (2), 100mm (4 inches) conduits shall be provided
from the Telephone Equipment Room to the Telephone Console Room.
(b) A minimum of one (1), 50mm (2 inches) conduit from the Remote
Dictating Room to the Telephone Console Room.
(c) A minimum of two (2), 50mm (2 inches) conduits shall be provided
from the Telephone Equipment Room to the Police Control and Engineering
Emergency Control Rooms.
(d) Minimum 20 mm (3/4 inch) conduit from nearest telecommunications
closet to Nurse Station and security service console, head-end cabinet
and interface cabinet.
(e) Minimum 20 mm (3/4 inch) conduit for wire and cable runs
penetrating supporting, fire stops and radiation and shear walls.
(f) Minimum 20 mm (3/4 inch) conduit for wiring and cabling between:
(1) Radio paging and PA system equipment cabinets to nearest
telecommunications closet.
(2) Each Transcription Room and/or Station and nearest
telecommunications closet.
(3) Each pay telephone and/or station in corridors and lobbies, patient
bedside units and telecommunications outlets for telecarts and the
nearest telecommunications closet.
8.4
OPEN WIREWAYS OR CABLE TRAYS
As required by system design, refer to Article 7.5 herein for
additional technical information.
8.5
WIREWAYS OR CABLE TRAYS (ENCLOSED WITH HINGED COVERS)
When required by system design, refer to Article 7.6 herein for
technical instructions.
8.6
TELECOMMUNICATIONS DUCTS AND/OR CELLULAR FLOORS
(a) Ducts and/or cellular floors require a minimum of 645 square mm
(one square inch) of feeder (home run) for each 9 square m (100 square
ft.) of floor space.
(b) Cross runs should be installed at a minimum of 12 m (40 ft.). Each
room equipped with under floor ducts or cellular floors should have a
minimum of one cross run.
(c) All under floor ducts and/or cellular floors must be extended to
wall partitions in rooms where installed.
(d) Under floor ducts and/or cellular floors shall be considered as Air
Plenum areas. Therefore, all system wires and cables provided in these
ELECTRICAL DESIGN MANUAL
8-6
TELEPHONE/DATA SYSTEMS
Previous Page
