Project Number X1424-03
SECTION 2715 00- COMMUNICATIONS HORIZONTAL CABLING
PART 1- GENERAL
SECTION REQUIREMENTS
1.1
A.
Performance Requirements: Comply with transmission standards in TIA/EIA-568-B.1.
B.
Submittals: Product Data and Shop Drawings.
c.
Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFP A 70,
by a qualified testing agency, and marked for intended location and application.
D.
Telecommunications Pathways and Spaces: Comply with TIA/EIA-569-A.
E.
Grounding: Comply with ANSI-J-STD-607-A.
PART 2 -PRODUCTS
2.1
PATHWAYS
A.
Cable Support: NRTL labeled for support of Category 6 cabling, designed to prevent
degradation of cable performance and pinch points that could damage cable.
B.
Conduit and Boxes: Comply with Division 26 Section "Common Work Results for Electrical."
1.
C.
2.2
Minimum Outlet Box Size: 2 inches wide, 3 inches high, 2-112 inches deep.
Backboards: 3/4 inch, 48 by 96 inches fire-retardant-treated plywood.
UTP CABLE
A.
Description: 100 ohm, four-pair UTP, covered with a blue thermoplastic jacket.
1.
2.
3.
4.
Comply with ICEA S-90-661 for mechanical properties.
Comply with TIAIEIA-568-B.1 for performance specifications.
Comply with TIA/EIA-568-B.2,Category 6.
Listed and labeled by an NRTL acceptable to authorities having jurisdiction as complying
with UL 444 and NFP A 70 for the following types:
a.
b.
c.
Communications, General Purpose: Type CM or CMG.
Communications, Plenum Rated: Type CMP, complying with NFPA 262.
Communications, Riser Rated: Type CMR, complying with UL 1666.
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Project Number X1424-03
UTP CABLE HARDWARE
2.3
A.
General Requirements for Cable Connecting Hardware: Comply with TIA/EIA-568-B.2, IDC
type, with modules designed for punch-down caps or tools.
B.
Connecting Blocks: 110-style IDC for Category 6. Provide blocks for the number of cables
terminated on the block, plus 25 percent spare. Integral with connector bodies, including plugs
and jacks where indicated.
C.
Cross-Connect Panel: Modular array of connecting blocks arranged to terminate building
cables and permit interconnection between cables.
1.
D.
Number of Terminals per Field: One for each conductor in assigned cables.
Patch Panel: Modular panels housing multiple-numbered jack units with IDC-type connectors
at each jack for permanent termination of pair groups of installed cables.
1.
Number of Jacks per Field: One for each four-pair UTP cable indicated.
E.
Jacks and Jack Assemblies: Modular, color-coded, eight-position modular receptacle units with
integral IDC-type terminals.
F.
Patch Cords: Factory-made, four-pair cables in 36-inch lengths; terminated with eight-position
modular plug at each end.
1.
2.
Patch cords shall have bend-relief-compliant boots and color-coded icons to ensure
Category 6 performance. Patch cords shall have latch guards, to protect against snagging.
Patch cords shall have color-coded boots for circuit identification.
CONSOLIDATION POINTS
2.4
A.
Description:
hardware.
1.
2.
Number of Terminals per Field: One for each conductor in assigned cables.
Number of Connectors per Field:
a.
b.
3.
Consolidation points shall comply with requirements for cable connecting
One for each four-pair UTP cable indicated.
One for each four-pair conductor group of indicated cables, plus 25 percent spare
positions.
Mounting: Wall.
MULTIUSER TELECOMMUNICATIONS OUTLET ASSEMBLY (MUTOA)
2.5
A.
Description: MUTOAs shall meet the requirements for cable connecting hardware.
1.
2.
Number of Terminals per Field: One for each conductor in assigned cables.
Number of Connectors per Field:
COMMUNICATIONS HORIZONTAL CABLING
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Project Number X1424-03
a.
b.
3.
4.
2.6
One for each four-pair UTP cable indicated.
One for each four-pair conductor group of indicated cables, plus 25 percent spare
positions.
Mounting: Wall.
Label shall include maximum length of work-area cords, based on TIA/EIA-568-B.l.
TELECOMMUNICATION OUTLET/CONNECTORS
A.
Jacks: 100-ohm, balanced, twisted-pair connector; four-pair, eight-position modular. Comply
with TIA/EIA-568-B.1.
B.
Workstation Outlets: Two port-connector assemblies mounted in multigang faceplate.
1.
2.
3.
Plastic Faceplate: High-impact plastic. Coordinate color with Division 26 Section
"Wiring Devices."
Metal Faceplate: Stainless steel, complying with requirements in Division 26 Section
"Wiring Devices."
For use with snap-in jacks accommodating any combination of UTP, optical-fiber, and
coaxial work area cords.
a.
4.
5.
6.
2.7
Flush mounting jacks, positioning the cord at a 45-degree angle.
Legend: Factory labeled, by silk-screening or engraving for stainless steel.
Legend: Machine printed, in the field, using adhesive tape label.
Legend: Snap-in clear label covers and machine-printed paper inserts.
GROUNDING
A.
Comply with requirements in Division 27 Section "Common Work
Communications" for grounding conductors and connectors.
B.
Comply with ANSI-J-STD-607-A.
2.8
Results
for
IDENTIFICATION PRODUCTS
A.
Comply with TIA/EIA 606-A, and shall meet UL 969 for labeling materials, including label
stocks, laminating adhesives, and inks used by label printers.
PART 3- EXECUTION
3.1
WIRING METHODS
A.
Wiring Method: Install cables in raceways and cable trays except within consoles, cabinets,
desks, and counters. Conceal raceway and cables except in unfinished spaces.
1.
Install plenum cable in environmental air spaces, including plenum ceilings.
COMMUNICATIONS HORIZONTAL CABLING
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Project Number X1424-03
2.
B.
3.2
Comply with requirements for raceways and boxes specified in Division 26 Section
"Common Work Results for Electricals."
Wiring Method: Conceal conductors and cables in accessible ceilings, walls, and floors where
possible.
INSTALLATION OF PATHWAYS
A.
Cable Trays: Comply with NEMA VB 2 and TIA/EIA-569-A-7.
B.
Comply with requirements for demarcation point, pathways, cabinets, and racks specified in
Division 27 Section "Communications Equipment Room Fittings."
c.
Comply with requirements for installation of conduits and wireways specified in Division 26
Section "Common Work Results for Electrical."
D.
Pathway Installation in Communications Equipment Rooms:
1.
2.
3.
E.
3.3
Position conduit ends adjacent to a comer on backboard where a single piece of plywood
is installed; or in the comer of room where multiple sheets of plywood are installed
around perimeter walls of room.
Install cable trays to route cables if conduits cannot be located in these positions.
Secure conduits to backboard when entering room from overhead.
Backboards: Install backboards with 96-inch dimension vertical. Butt adjacent sheets tightly,
and form smooth gap-free comers and joints.
INSTALLATION OF CABLES
A.
Comply with NECA 1.
B.
General Requirements for Cabling:
1.
2.
3.
4.
5.
Comply with TIAIEIA-568-B.l and TIA!EIA-568-B.2.
Comply with BICSI ITSIM, Ch. 6, "Cable Termination Practices."
Installll 0-style IDC termination hardware unless otherwise indicated.
MUTOA shall not be used as a cross-connect point.
Consolidation points may be used only for making a direct connection to
telecommunications outlet/connectors.
a.
b.
6.
7.
Do not use consolidation point as a cross-connect point, as a patch connection, or
for direct connection to workstation equipment.
Locate consolidation points for UTP at least 49 feet from the communications
equipment room.
Terminate conductors; no cable shall contain untenninated elements. Make terminations
only at indicated outlets, terminals, and cross-connect and patch panels.
Cables may not be spliced. Secure and support cables at intervals not exceeding 30
inches and not more than 6 inches from cabinets, boxes, fittings, outlets, racks, frames,
and terminals.
COMMUNICATIONS HORIZONTAL CABLING
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Project Number X1424-03
8.
9.
C.
Cold-Weather Installation: Bring cable to room temperature before dereeling. Heat
lamps shall not be used for heating.
Do not untwist UTP cables more than 1/2 inch from the point of termination to maintain
cable geometry.
Separation from EMI Sources:
1.
2.
Comply with BICSI TDMM and TIA/EIA-569-A for separating unshielded copper voice
and data communication cable from potential EMI sources, including electrical power
lines and equipment.
Separation between open communications cables or cables in nonmetallic raceways and
unshielded power conductors and electrical equipment shall be as follows:
a.
b.
c.
3.
Separation between communications cables in grounded metallic raceways and
unshielded power lines or electrical equipment shall be as follows:
a.
b.
c.
4.
6.
3.4
Electrical Equipment Rating Less Than 2 kVA: A minimum of2-112 inches.
Electrical Equipment Rating between 2 and 5 kV A: A minimum of 6 inches.
Electrical Equipment Rating More Than 5 kV A: A minimum of 12 inches.
Separation between communications cables in grounded metallic raceways and power
lines and electrical equipment located in grounded metallic conduits or enclosures shall
be as follows:
a.
b.
c.
5.
Electrical Equipment Rating Less Than 2 kV A: A minimum of 5 inches.
Electrical Equipment Rating between 2 and 5 kVA: A minimum of 12 inches.
Electrical Equipment Rating More Than 5 kV A: A minimum of 24 inches.
Electrical Equipment Rating Less Than 2 kVA: No requirement.
Electrical Equipment Rating between 2 and 5 kV A: A minimum of 3 inches.
Electrical Equipment Rating More Than 5 kV A: A minimum of 6 inches.
Separation between Communications Cables and Electrical Motors and Transformers, 5
kVA or HP and Larger: A minimum of 48 inches.
Separation between Communications Cables and Fluorescent Fixtures: A minimum of 5
inches.
FIRESTOPPING
A.
Comply with requirements in Division 07 Section "Penetration Firestopping."
B.
Comply with TIAIEIA-569-A, Annex A, "Firestopping.
c.
Comply with BICSI TDMM, "Firestopping Systems" Article.
3.5
GROUNDING
A.
Install grounding according to BICSI TDMM, "Grounding, Bonding, and Electrical Protection"
Chapter.
COMMUNICATIONS HORIZONTAL CABLING
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Project Number X1424-03
B.
Comply with ANSI-J-STD-607-A.
C.
Bond metallic equipment to the ground bar, using not smaller than No. 6 AWG equipment
grounding conductor.
3.6
IDENTIFICATION
A
Comply with TIA/EIA-606-A.
1.
2.
B.
Administration Class: 1.
Color-code, cross-connect fields. Apply colors to voice and data service backboards,
connections, covers, and labels.
Labels shall be preprinted or computer-printed type with printing area and type color that is
contrasting with cable jacket color, but still complying with TIAIEIA-606-A.
END OF SECTION 271500
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