UNDER NO CIRCUMSTANCE SHALL THIS EXTERNAL LIGHTNING GROUND SYSTEM BE
INTERFACED OR INTERCONNECTED WITH THE INTERNAL BUILDING ELECTRICAL
AND/OR SIGNAL GROUND SYSTEMS.
(b) Signal Grounding System- (A/E Note: Refer to Paragraph
8.11.1(e)(11) herein for information).
7.12.8 TCD-194D COMPLIANCE AND COORDINATION
TCD-194D will review and technically approve the location, size,
capacity and internal items of the Equipment Room during the initial or
post contract award of the Contract Drawings.
7.13 TELECOMMUNICATIONS CLOSETS
Provide these spaces as required by each System Design (A/E Note -
Follow the general guidelines and requirements outlined in Article
8.15).
7.14 INTERSTITIAL INTERFACING SPACE, POWER AND LIGHTING
Follow the general guidelines and requirements outlined in Article
8.16).
7.15 REMOTE OR SECONDARY TELECOMMUNICATIONS CLOSETS
(a) These types of closets shall be provided normally for special
telecommunications systems that are allowed in patient or other
designated areas that exceed the 90 m (300 foot) maximum conduit
distance for the primary telecommunications closets and the
installation area is small enough as to not warrant the larger stacked
telecommunications closets. The use of these closets must be
specifically approved by TCD-194D during the design phase of the
project. Each closet shall be a minimum of 1.5 m x 2.7 m (5 ft. x 9
ft.) or according to BICSI Wiring Standards for the areas, the closet
is to be installed, whichever is greater. Minimum door size shall be
900 mm (36 inches) wide by 2100 mm (84 inches) high.
(b) Each wall of the closet shall be provided floor to ceiling with
fire retardant 20 mm ( inch) plywood wall covering.
(c) Power & Lighting:
(1) Emergency Power - Duplex receptacles and lighting shall be
connected to the Facility's Critical Branch of the Emergency Power
system.
(2) 120 VAC Receptacles Each telecommunications closet shall be
provided with a separate 120 VAC 20 ampere circuit with two quadruplex
receptacles, mounted in the center of each sideboard, 460 mm (18
inches) above the floor.
(3) 120 VAC Receptacles Telecommunications backboards shall be
provided with two (2) 120 VAC 20 Amp quadruplex receptacles on the
backboard with a minimum of 610 mm (two foot) of separation and at 910
mm (36 inches) above finished floor (one for special and the other for
7-7
ELECTRICAL DESIGN MANUAL
SPECIAL TELECOMMUNICATION SYSTEMS
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