Page 53 - 14th @ Irving Basis of Design (internal)

8.9.4 COMPONENTS
MTER Cabinets Each cabinet located within the MTER will be of the following specification:
• 42u high

• 24 in (600 mm) wide x 42 in (1080 mm) deep
• Front and rear 19” (483 mm) mounting rails
• Vertical cable management on both sides at the front of the cabinet for patch lead management
• Lockable wire mesh front and rear split doors

• Removable side panels for each cabinet bay
• Vertical power distribution strip mounted at the rear of the cabinet
• 3 in (75 mm) tray fitted both sides to allow for cable management
• All cabinets are to be bayed together in the MTER
• All cabinets will be bonded to the telecommunications grounding earth bar
TR Racks Each rack located within the TR rooms will be of the following specification:

• 7’ high, 19 in (483 mm) mountable with standard EIA hole spacing
• 42U minimum usable spaces
• Racks shall be bolted to the slab at front and rear flanges and tied to overhead ladder rack
• All racks are to be bayed together in the TRs

• Vertical cable management shall be dual sided for patch lead management at the front and horizontal cable distribution
management to the patch panels at the rear
• Vertical power distribution strip a minimum of 5 ft (1.5 m) mounted to stand off brackets at the rear of the racks
• All racks will be bonded to the telecommunications grounding earth bar

8.10 GENERAL REQUIREMENTS FOR ALL IT SPACES

8.10.1 ARCHITECTURAL REQUIREMENTS

• Each IT room shall be located directly off a service corridor or hallway to provide access to maintenance and operational
personnel.
• Floor finish shall be type VCT.
• Minimum structural strength of the floor slab shall be 100lbs/sf.

• A ceiling is not required or desired, any exposed areas within the room that contains spray on type fireproofing shall be
sealed to prevent flacking and mitigate airborne dust.
• Walls shall be stud framed and gypsum board with a minimum 2-hour rating and painted a light color. The wall shall
require ¾” fire rated plywood in the locations indicated on the T drawings. Plywood shall be painted with 2 coats of white,
fire retardant paint, with plywood manufacturers stamp masked off on each sheet so that the AHJ may witness it is fire
retardant.

• The entry door shall be 36” x 84” and open outward when possible.
• The space must not be located adjacent to or below sources of water or water draining equipment or EMI/EMF generator
equipment.

14th @ IRVING WSP
Project No. B1809809.000
RAL COMPANIES & AFFILIATES Page 53