all provided and planned Special Systems, Head-end Cabinets (i.e. MATV,
CCTV, SSTV, RED, Satellite, Public Address, Two-Way Radio and Radio
Paging and Microwave, etc.), Uninterruptible Power Supply (UPS)
Systems, AC power, Air Handling and two future systems. The Special
Systems, planned to be included in this room but to be installed at a
later date, shall be clearly shown on the contract drawings insuring
adequate space allocation to each cabinet for accessibility. If the
Penthouse or Attic general area is used, it must be climatically
controlled, properly sized and may be separated from the rest of the
area by a floor to ceiling metal security fence provided with a minimum
1000 mm x 2100 mm (40 inches X 84 inches) locking gate if a room is not
available or cannot be provided and the adjoining area(s) is not
utilized by the Facility(s) elevator equipment. (A/E Note: TELCO
equipment areas shall not use fencing of any type; only secure rooms
are acceptable. See Article 8.11 for Specific TELCO Equipment Room
Information.
(b) When selecting the (HE) Equipment Room site, avoid locations
restricted by building walls. Accessibility for the delivery of
standard enclosed equipment cabinets shall be provided. The room shall
be located as close as possible to an outside roof entrance and not in
or above patient care areas. The (HE) Equipment Room shall be located
no more than 300 cable ft. from the Facility's Emergency AC Power
Distribution Panel that is designated to provide its AC power. Also,
the (HE) Equipment Room shall be provided with an accessible 150 mm x
150 mm (6 inches X 6 inches) minimum cable duct/wireways or minimum
number of conduits as described herein, from it to the Facility's
vertical riser system(s) for communication system wires and cables that
access the Facility's vertically stacked telecommunication closets. The
use of open elevator Equipment Room areas is not allowed for this
purpose and will not be approved.
7.12.2 POWER AND LIGHTING
A/E Note: Refer to Paragraph 8.11.1(b) for information.
7.12.3 COOLING
(a) The HE room shall be provided with heating and/or cooling equipment
capable of maintaining the internal space between 68 degrees and 80
degrees Fahrenheit, with humidity control. The relative humidity shall
not exceed 50 percent. Heating and cooling requirements shall include
the back-up batteries and associated rectifiers. The HVAC equipment
shall be stand-alone in design and accommodate a twenty-four hour,
seven-day week, and year-around operation. A minimum of 20,000 BTU/H
cooling capacity is required.
(b) A/E Note: A fully climatically controlled, stand-alone equipment
cabinet is acceptable for each special system in lieu of fully
acclimatizing the HE areas. Refer to Specification Section 16735, PART
2 for specific "stand alone" Equipment Cabinets.
7.12.4 FIRE PROTECTION
AE Note: Refer to Paragraph 8.11.1(d) for information.
7-5
ELECTRICAL DESIGN MANUAL
SPECIAL TELECOMMUNICATION SYSTEMS
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