HomeMy WebLinkAbout27 11 00 - Telecommunication Rooms and SpacesARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 1 OF 19
NOVEMBER 2, 2012
SECTION 27 11 00
TELECOMMUNICATION ROOMS AND SPACES
PART 1- GENERAL
1.1 WORK INCLUDED
A. Provide all labor, materials, tools, and equipment required for the
complete installation of work called for in the Contract Documents.
B. This section includes the minimum requirements for equipment and cable
installations in telecommunication rooms (TRs). The following equipment
is described in this section:
1. Floor Mounted Racks
2. Equipment Shelves
3. Cable Management
4. Fiber Patch Panels
5. Patch Panels
6. Termination Blocks
7. Cable Runway
8. Cable Supports
9. Grounding and Bonding
10. Hook and Loop Wraps
11. Power Strips
12. Firestop
13. PVC-25 pair rack interconnect cable
C. If this document and any of the documents listed above are in conflict,
then the more stringent requirement shall apply. All documents listed are
believed to be the most current releases of the documents. The
Contractor has the responsibility to determine and adhere to the most
recent release when developing the proposal for installation.
D. This document does not replace any code, either partially or wholly. The
contractor must be aware of local codes that may impact this project.
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CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 2 OF 19
NOVEMBER 2, 2012
1.2 QUALITY ASSURANCE
A. All equipment rooms shall be installed in a neat and workmanlike manner.
All methods of construction that are not specifically described or indicated
in the Contract Documents shall be subject to the control and approval of
the Owners representative. Equipment and materials shall be of the
quality and manufacture indicated. The equipment specified is based on
the acceptable manufacturers listed. Where "approved equal” is stated,
equipment shall be equivalent in every way to that of the equipment
specified, and subject to approval.
B. Materials and work specified herein shall comply with the applicable
requirements of:
1. ANSI/TIA-568-C
2. ANSI/NECA/BICSI 568-2006
3. ANSI/TIA-569-B
4. ANSI/TIA-606-A
5. ANSI/TIA-607-B
6. Underwriters Laboratory
7. Federal Communications Commission
8. NFPA 70 – 2002
9. BICSI “Telecommunications Distribution Method Manual”, current
edition.
10. NEMA-250
11. EIA 310-D
12. Section 26 05 26.
1.3 1.3 SUBMITTALS
A. Provide product data for the following, ONLY if deviating from the exact
design make/part number or if a specific part number is not provided in the
contract documents.
1. Floor Mounted Racks
2. Cable Management
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CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 3 OF 19
NOVEMBER 2, 2012
3. Fiber Patch Panels
4. Patch Panels
5. Termination Blocks
6. Cable Runway
7. Cable Supports
8. Grounding and Bonding
9. Hook and Loop Wraps
10. Power Strips
11. Firestop
12. PVC-25 pair rack interconnect cable
B. Provide sample faceplate(s) of every style of faceplate planned for this
project, in the colors as called for.
C. Provide sample surface mounted outlet box(s) planned for this project, to
confirm proper mounting and radius control. Coordinate with Division 26.
D. `Provide sample labeling from handheld printers owner by contractor or
intended to be used on this project, with labels as detailed on the
drawings, specified in the cable schedules for each different type of
faceplate to be used. Also provide labels for each style patch panel to be
used, as detailed on the drawings, specified in the cable schedules for
each different type of patch panel to be used (48 port UTP, 24 port UTP,
and fiber patch panels)
E. Also refer to Refer to Section 01 33 00 – Submittal Procedures.
PART 2- PRODUCTS
2.1 FLOOR MOUNTED RACKS
A. Racks shall meet the following physical specifications:
1. 19” rack mounting space.
2. 7 foot high.
3. Aluminum construction, factory paint black in color.
4. 15” deep base with four (4) ¾” bolt down holes.
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CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 4 OF 19
NOVEMBER 2, 2012
B. Rack shall have double sided 12/24 tapped holes and 5/8”,5/8”, ½”
standard EIA hole pattern.
C. Design Make: Chatsworth Products Inc., black
D. Acceptable Manufacturers:
1. Panduit
2. B-Line
3. Others as approved by Owner
2.2 CABLE MANAGEMENT
A. Provide rack mounted horizontal and vertical cable management for all
horizontal, backbone and patch cables.
B. Panels shall have front and back channels with hinged covers.
C. Cable management panels shall be plastic and have integral wire retaining
fingers, radius fingers for maintaining proper bend radius for Category 6
and optical fiber cables.
D. Management panels shall mount to any standard 19” rack and include all
required mounting brackets and screws.
E. Provide 2RU horizontal cable managers, in both open and closed
configurations, as called for on the T3 drawings.
F. Provide vertical cable manager as shown on the T3 drawings. Provide
end panel cap for vertical cable manager furthest from the wall.
G. Design Makes:
1. Vertical - Panduit WMPVHC45E, in black, as called for on the T3
drawings. Size: 7'H X 6"W X 13.8"D FRONT/REAR with covers.
2. Vertical - Panduit PRV8, 10 PATCHRUNNER Series, in black, as
called for on the T3 drawings. FRONT/REAR.
3. Vertical - Panduit PRSHD8, 10 PATCHRUNNER single metal door,
for each PRV Patchrunner, called for on the T3 drawings. Use *”
wide version when 2 horizontal racks are side by side.
4. Horizontal Closed Cable Manager - Panduit WMPH2E Series,
supplied with removable covers. Two rack units (2RU) in height
typical, as called for on the T3 drawings.
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 5 OF 19
NOVEMBER 2, 2012
5. Horizontal Open Cable Manager - Panduit CMPHH2 Series, 3”x5”
front only D-ring style, 2RU in height typical, as called for on the T3
drawings.
2.3 FIBER PATCH PANEL
A. Shall be rack mounted as called for on the T3 Series rack elevations,
program standard detail drawings and T1-FL Series fiber logical riser
drawings.
B. Shall be constructed with 16 gauge steel.
C. Provide adapter panels with duplex SC couplers, mounted in housing, for
all fiber cables installed.
D. Rack mounted housings shall have splice organizer drawers that are
removable or held open at 30 degree angle and translucent latching
hinged front cover, as called for.
E. Wall mounted housings shall have a lockable hinged door enclosing the
cable loop and termination section and a latchable hinged door enclosing
the connector section of the housing.
F. Organizer drawers and wall mount cabinets shall come complete with
routing rings for cable management and cable tie-down bars for support of
main cable.
G. Shall accommodate 48, 72 or 96 fibers as called for on the T3 drawing
rack elevations and drawings.
1. Design make: Design makes:
a) Corning Cable Systems Closet Connector Housings #CCH-
04U and #CCH-02U and PCH-01U Series as called for on
drawings: T1-FL,T3 and program standard detail drawings.
b) Corning Cable Systems 12-Fiber SC Duplex Panels for
Multi-Mode strands #CCH-CP12-91 and blank filler panels
for unused spaces.
c) Corning Cable Systems 12-Fiber SC Duplex Panels for
Single-Mode strands #CCH-CP12-59 and blank filler panels
for unused spaces.
2.4 PATCH PANELS
A. Patch Panels, for Category 6/6A connectivity
1. Physical Characteristics
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 6 OF 19
NOVEMBER 2, 2012
a) Panels shall be made of 16ga cold rolled steel with a black
powder coat finish in 24, 48, and 96 port configurations.
b) Panels shall accommodate a minimum of 24 ports for each
rack mount space (1rms = 44.5 mm [1.75 in.]).
c) Panels shall be manufactured with a rolled-edge at the top
and bottom for stiffness.
d) Panels shall accept Panduit Mini-Com modules for UTP,
Optical Fiber, Audio and Video connectivity, which snap in
and out for easy moves, adds and changes without re-
termination of the cabling. Panels shall allow front access to
installed modules.
e) Panels shall mount to standard EIA 19” or 23” racks (with
optional extender brackets.
f) 48 port panels shall be supplied with 8 factory installed
CFPLM6BL snap-in faceplates that readily accept TX6 Mini-
Com jack modules.
g) Panels shall have port identification capability (Machine
generated) on both the front and rear of the panel. Front
port identification on the 48 port panels shall be located
between the rows of jacks.
h) Panels shall terminate and arrange for modules in group of
four (4).
i) Panels shall feature vertical panel ID label holders.
j) Labeling options to include laser printable paper and
adhesive labels.
k) Design Makes:
1) Mini-Com M6 Style Modular Faceplate Patch Panel -
Panduit # CPPL48WBLY.
2) Mini-Com M6 Style Modular Angled Faceplate Patch
Panel - Panduit # CPPLA48WBLY.
3) Acceptable Manufacturers: Others as approved only
by Owner.
B. Category 5e Voice Patch Panels
1. Physical Characteristics
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 7 OF 19
NOVEMBER 2, 2012
a) Shall exceed ANSI/TIA-568-C.2 Category 5e and ISO11801
Class D standards
b) Each port shall be 100% tested to ensure NEXT and return
loss performance and is individually serialized to support
traceability
c) Shall utilize 110 termination on back panel
d) Each port contains a label that is color coded for Universal
T568A/T568B wiring scheme.
e) Terminates 4 pair, 22 - 24 AWG, 100 ohm, solid or stranded
twisted pair cable
f) Mount to standard EIA 19" rack.
g) Write-on areas for port and panel identification available
h) Can be clearly identified with labels and icons
i) Design Makes:
1) Panduit # NK5EEP48P, 48-port 2RU panels, per T3
drawing, used with 1-pair connections, per RJ-45 port.
2) Acceptable Manufacturers: Others as approved only
by Owner.
3) Panduit # NK5EPP24P, 24-port 1RU panel, per T3
drawing, used with 4-pair terminations/connections,
per RJ-45 port.
4) Acceptable Manufacturers: Others as approved only
by Owner.
2.5 TERMINATION BLOCKS
A. Provide 110-300 pair wall mounted termination blocks as called for on T3
detail drawings.
B. Provide 110-100 pair wall mounted termination blocks as called for on T3
detail drawings for wall terminate fire alarm cables.
C. Provide color coded designation strips, and clear covers for all blocks per
the Owner’s direction.
D. Provide distribution ring backboard between blocks as per detail drawings.
E. Design Makes:
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 8 OF 19
NOVEMBER 2, 2012
1. Systimax #110AW2-100 Wiring block with legs
2. Systimax #110AW2-300 Wiring block with legs
3. Systimax #110C-5, 5-pair clips, for all backbone copper risers
4. Systimax #188B1 metal backboard with distribution rings
F. Acceptable Manufacturers:
1. Others as approved only by Owner.
2.6 CABLE RUNWAY
A. Provide horizontal cable runway from wall to rack for horizontal cable
support.
B. Provide vertical cable runway from all sleeves, conduits and cable trays to
the equipment racks for horizontal and backbone cable support inside the
Telecommunication Room (TR).
C. Cable runways shall have hollow side bars nominally 3/8” thick by 1 ½ “
H with rungs 9” on center to all TR’s.
D. Provide connecting hardware to suit installation and provide a first class
installation. This shall include, but not be limited to, standard rack-to-
runways mounting plate for each 19” rack, wall angle support brackets,
junction kits in various vertical and horizontal configurations, reducing
fittings, radius fitting and cable drop outs, grounding kits, bonding kits, etc.
E. Include all hardware for securing trays to each other, to the rack and to the
wall
F. Supply optional cable retaining posts per Section 3.4 of this section or
called for on the T3 drawings. Chatsworth 11252-7xx series.
G. Provide cable radius fittings as shown and called for on the T3 drawings.
H. Provide one-tier or two-tier cable runways system, per T3 drawings.
I. Provide cable drop out (waterfall) fittings as shown and called for on the
T3 drawings, that are the next size smaller in width than the cable
runways they are fastened to. (i.e 12” waterfall for 18” cable runway).
J. Design make: Chatsworth Telco-Style Cable Runway System – hollow
side bar for all TR’s.
K. Acceptable manufacturers, only as approved in advance by Owner
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 9 OF 19
NOVEMBER 2, 2012
1. B-Line
2. Homaco
3. Newton Instrument Company
2.7 BACK BOARDS
A. Provided by General Contractor and the installation coordinated by
Division 26 and 27 contractors.
B. Refer to additional Division 1 requirements, A3-Series drawings and T3-
Series drawings.
2.8 CABLE SUPPORTS
A. Velcro-type Hooks and Loop Wraps
1. Refer to Section 27 15 00 section 3.1 for additional requirements.
B. Metal backboards for 110-Style Blocks
1. Provide systimax “D” ring metal backboards between 110 style
blocks as shown on the drawings or as called for.
2. Design Make: systimax 188B backboard.
C. Two-Hole straps for high pair count copper cables and innerducts
1. Refer to Section 27 13 00 requirements and design makes and
installation requirements.
D. Distribution rings for plywood backboard cable routing
1. Provide wall mounted “D” rings for wall mounted vertical and
horizontal cable management as shown on the drawings or as
called for.
2. Design Make: Senior Industries -SI-4754 - cross connect wiring, SI-
4755 Vertical and Horizontal Category 6 cable.
3. Acceptable manufacturers:
a) Allen Tel
b) Gardner Bender
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 10 OF 19
NOVEMBER 2, 2012
2.9 GROUNDING AND BONDING
A. Provide standards compliant and code compliant Telecommunications
Bonding Backbone (TBB). This backbone shall be used to ground all
telecommunications cable shields, equipment, racks, cabinets, raceways,
and other associated hardware that has the potential to act as a current
carrying conductor.
B. Provide standards compliant and code compliant telecommunications
main grounding bus bar (TMGB). The main entrance facility/equipment
room in each building shall be equipped with a telecommunications main
grounding bus bar (TMGB). Each telecommunications room shall be
provided with a telecommunications ground bus bar (TGB). The TMGB
shall be connected to the building electrical entrance grounding facility.
The intent of this system is to provide a grounding system that is equal in
potential to the building electrical ground system. Therefore, ground loop
current potential is minimized between telecommunications equipment
and the electrical system to which it is attached.
C. The Contractor shall bond all racks, metallic backboards, cable sheaths,
metallic strength members, splice cases, cable trays, ladder runways,
metallic conduits, metallic raceways, lightning protectors, etc. entering or
residing in the TR room(s) to the respective TGB or TMGB using a
minimum #6 AWG stranded copper bonding conductor and two hole
compression connectors with ANSI compliant hole pattern.
D. All wires used for telecommunications grounding purposes shall be
identified with a green insulation. Non-insulated wires shall be identified at
each termination point with a wrap of green tape. All cables and busbars
shall be identified and labeled in accordance drawing details, ANSI/TIA-
607-B, Section 27 05 00 and the Cornell University Design and
Construction Standards.
E. Provide one 19” grounding bus Bar for each equipment rack in each TR,
even if not specifically called for on the drawings. The T3 drawings
typically identify the equipment on the rack elevation drawing (typically
Rack 1 and possibly Rack 3).
F. Use paint piercing screws and/or washers at racks on all finished surfaces
(vertical racks, ladder racking etc)
G. Installation and termination of the main bonding conductor to the building
service entrance ground shall be performed by a licensed electrical
contractor.
H. Refer to E4 Grounding Riser Drawing, E4 TGB details, T3-series drawings
AT Standard Detail 27 05 26 01-02 and specification section 27 05 00 for
additional information.
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CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 11 OF 19
NOVEMBER 2, 2012
I. Installation and termination of the main bonding conductor to the building
service entrance ground shall be performed by a licensed electrical
contractor.
J. Contractor shall coordinate the exact positioning of the TGB in each
Telecommunication Room with the T3-Series drawings, the Owner and
the Division 26 contractor, in the field in advance.
2.10 POWER STRIPS
A. Shall meet U.L. 1363 and 1449 requirements.
B. Provide two horizontal rack mount powerstrips for each Equipment Rack
in each TR, even if not specifically called for on the drawings. The T3
drawings typically identify the equipment on the rack elevation drawing
(typically Rack 1 and possibly Rack 3).
C. Provide transformer spacing in 1RU height with a minimum of six (6)
20Amp NEMA 5-20R standard 20A, 125VAC receptacles. Each power
strip shall be equipped with a minimum 15’ long plug ended cord -
125VAC, 20Amp, single phase, 2-pole, 3-wire grounding, NEMA 5-20P
cord and standard plug.
D. Each power strip shall be provided with optional surge suppression to
block excessive voltage rated at 600V with UL1449 rating.
E. Maximum Surge Current: 36,000 Amps (12,000 Amps L-N, 12,000 Amps
L-G, 12,000 Amps N-G)
F. Integral Protection indication to show the status of the unit.
G. Do not provide toggle switch that can accidentally get bumped off, unless
it has a switch guard over the switch.
1. Design Make: Wiremold R5BZ20-15, or approved equal.
H. Approved Manufacturers:
1. Chatsworth
2. SGL Waber / Tripp Lite
3. Middle Atlantic Products
2.11 FLOOR MOUNT CABINET
A. Floor mount cabinets shall meet the following physical specifications:
1. 19” equipment mounting section and hinged locking front door.
ARCHI-TECHNOLOGY
CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 12 OF 19
NOVEMBER 2, 2012
2. 2500 lb weight capacity
3. Adjustable 19” mounting rails
4. Vented locking rear door
5. Solid locking front door
6. Overall dimensions - Hx22”Wx25”D
7. Height as shown on T3 drawings
8. Heavy steel construction, factory paint black in color.
B. Design Make Middle Atlantic ERK-19-xxxx-AV series
2.12 WALL MOUNT CABINET
A. Wall mount cabinets shall meet the following physical specifications:
1. 3 section cabinets include wall mount section with conduit
knockouts, 19” equipment mounting section and hinged locking
front door.
2. 2500 lb weight capacity
3. Overall dimensions - Hx22”Wx26”D
4. 24” usable depth.
5. Height as shown on T3 drawings
6. Heavy steel construction, factory paint black in color.
B. Design Make Middle Atlantic DWR series
PART 3- EXECUTION
3.1 FLOOR MOUNTED RACKS
A. Coordinate rack positioning and mock-up with other trades. Refer to 27
05 00 Part 3 Mock-Up section for additional coordination requirements
B. All racks shall be anchored to the floor, with large heavy duty gauge
fender washers and four anchor bolts.
C. Provide vertical and horizontal cable management in the front and back.
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CORNELL – NCP TELECOMMUNICATION ROOMS AND SPACES
STANDARD SPECIFICATIONS 27 11 00 – PAGE 13 OF 19
NOVEMBER 2, 2012
D. Mount rack a minimum of 36” from wall when orientated parallel to wall
and tight to wall (after allowing for vertical cable managers) when
perpendicular to wall. Coordinate rack placement with existing and
proposed conditions.
E. Ground the bottom of each rack to the TGB equipment ground bar with a
#6 green copper wire. Provide aggressive cutting Type-B internal/external
tooth lock washer. Torque properly to provide an acceptable bonded joint,
for each nut to cut primed and painted surfaces. Refer to American
Standard ASA B27.1-1965. These washers shall be used on all painted
equipment racks, cable ladders, cable tray in TR’s.
F. Coordinate with other utilities, trades and cable runway provisioning as
required. Layout, mock-up all racks and cable runways for Owner review,
alteration and approval before proceeding with any fabrication, especially
in the basement BDF.
G. Coordinate the relocation of existing equipment, power, conduits and
cabling as directed by Owner. Provide necessary provisions and
alterations to allow proper relocation without disruption of services. Refer
to T2 and T3 Series removal plans.
H. Alter, modify, or fabricate existing 19” equipment racks, shown for
relocation to properly fit into the BDF room as indicated. Coordinate
rework of existing service loops of fiber as directed by CIT. Coordinate
with other utilities, trades and cable runway provisioning as required.
3.2 CABLE MANAGEMENT
A. Provide racked mounted 2RU (3.5”) open and closed horizontal cable
managers as shown.
B. Install vertical cable managers, at the ends of each rack and between the
racks, as shown on the T3 drawings. Provide closed end cap on exposed
vertical end panels and provide rear hinged door (both items are
accessories).
C. Provide at least one 2RU horizontal cable manager for each 24 port or 48
UTP port panel and fiber patch panel installed, even if not specifically
detailed on the drawings.
3.3 CABLE SUPPORTS
A. Provide “D” rings 2 ft. on center for all exposed vertical cable runs
terminated or routed exposed on the plywood backboards.
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B. Keep horizontal wall mounted cable runs to a minimum. In general
horizontal runs shall be supported by overhead cable runway or overhead
ladder runway.
C. Provide cable brackets 4’ on center supported to building structure for all
cable runs above ceilings where cable tray is not called for.
D. Provide Velcro-type Hooks and Loop Wraps. Refer to Section 27 15 00
section 3.1 for additional requirements.
E. Provide vertically mount cable runways or channel, affixed to floor and
wall as applicable, where called for to support cables in a vertical plane.
Provide hook and loop cable wraps for such situations, on 18” centers.
3.4 CABLE RUNWAY
A. Install as shown on the drawings
B. Secure rack to walls and to the top of the equipment racks.
C. Provide elevated riser kits as called for on the T3 drawings.
D. Ground and bond all sections of runways.
E. Provide waterfalls and radius bends for proper cable routing and support,
even if not specifically detailed on the drawings.
F. When sleeves, conduits and cable tray enter a TR at a height of more than
2’ above the highest horizontal cable runways in a TR, provide wall
mounted vertical cable runways section up to meet each horizontal
pathway entering the TR and provide proper radius control and vertical
cable support and fastening with hook and loop fasteners as called for
elsewhere in this section.
G. Provide optional cable retaining posts, 6” in height minimum with rubber
end caps, that mount directly to cable runway side stringers, color to
match cable runway provided. Provide a minimum of twelve (12) per TR
room, even if not called out on the drawings and install per Owner’s
direction. Chatsworth 10596 series.
H. Ground the bottom of each rack to the TGB equipment ground bar with a
#6 green copper wire. Provide aggressive cutting Type-B internal/external
tooth lock washer. Torque properly to provide an acceptable bonded joint,
for each nut to cut primed and painted surfaces. Refer to American
Standard ASA B27.1-1965. These washers shall be used on all painted
equipment racks, cable ladders, cable tray in TR’s.
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STANDARD SPECIFICATIONS 27 11 00 – PAGE 15 OF 19
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I. Coordinate cable runway positioning and mock-up with other trades.
Refer to 27 05 00 Part 3 Mock-Up section for additional coordination
requirements.
3.5 MISCELLANEOUS REQUIREMENTS
A. Provide cable runway from overhead sleeve locations in closets to
equipment racks and punch down block locations, in both the horizontal
and vertical orientation so that cables can be supported on at least 2’
centers.
B. Provide reusable, hook and loop wrap strips as the primary means for
organizing all voice, data and coaxial cables station and patch cables in
TR’s. Refer to 27 15 00, section 3.1 for additional requirements.
C. All cables shall be neatly “dressed out” in equipment rooms. Cables to be
neatly bundled and dressed to their respective panels or blocks. Each
panel or block shall be fed by an individual bundle separated and dressed
back to the point of cable entrance into the rack or frame.
D. Each cable shall be clearly labeled on the cable jacket behind the patch
panel at a location that can be viewed without removing the bundle
support ties. Cables labeled within a bundle, where the label is obscured
from view shall not be acceptable.
E. Install factory supplied patch panel labels, in the corresponding T568A
configuration, in all Category 6 UTP patch panels, BEFORE beginning to
terminate cables. Cables terminated onto a patch panel without said port
label strip shall not be acceptable.
F. Install factory supplied patch panel labels, in the corresponding T568B
configuration for all Category 5e voice interconnect patch panels,
BEFORE beginning to terminate cables. Cables terminated onto a patch
panel without said port label strip shall not be acceptable
G. Fire Stop all sleeves and conduit openings at time or removal of existing
abandoned cables and again at time of cable installation, as called for.
3.6 WALL TERMINATION BLOCKS
A. Installed on plywood backboard so that top of block is 6’ AFF maximum.
B. Pair untwist at the termination shall not exceed 3.18mm (0.125”).
C. Also refer to UTP backbone called termination and labeling requirements
in this section.
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D. The cable jacket shall be maintained as close as possible to the
termination point.
E. DO NOT MOUNT WALL MOUNTED TERMINATION BLOCKS WITH
DRYWALL TYPE SCREWS.
F. Mount Blocks with steel, zinc plated 5/16" slotted hex head #10 x 3/4" drill
screws. Part #Metallics DS181 or equal.
3.7 GROUNDING AND BONDING
A. Provide pre-drilled tin plated copper bus bar, with standard NEMA bolt
hole sizing and spacing for connectors being used, in all
telecommunication rooms.
B. All connectors and clamps shall be mechanical type made of silicon
bronze.
C. Terminals shall be solderless compression type 2-hole lugs, copper long-
barrel NEMA two bolt, and compliant with program standard detail
drawings - TGB detail
D. Provide #6 AWG conductor from the bus bar to the electrical system
equipment ground.
E. Bond the ground bar in the main Telecommunication Equipment Room
(TR) to dedicated communications equipment electrical panelboard(s).
F. Bond metallic equipment racks and cabinets to the ground bar. Bond
racks in a bus or parallel configuration. Series connections are not
acceptable.
G. Bond the shield of shielded cable to the ground bar in communications
rooms and spaces.
H. Bond all backbone conduits and metallic raceways entering each TR to
the ground bar in each communications rooms.
I. Use an insulation-removal tool to remove the correct amount of jacket
from the wire, as determined by the size of the connector and the gauge of
the wire.
J. Use a compression tool equipped with a die that matches the compression
lug connector body, as recommended by the manufacturer. Leave
approximately 6mm (o.25 inches) of copper showing between the end of
the insulation on the wire and the end of the connector that the wire in
insert into.
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K. Ensure that a minimum bend radius of eight times the conductor outside
diameter is maintained where the wire changes direction.
3.8 PATCH PANELS.
A. Patch Panels – Category 6
1. Panels shall be installed to provide minimal signal impairment by
preserving wire pair twists as closely as possible to the point of
mechanical termination. The amount of untwisting in a pair as a
result of termination to the patch panel shall be no greater than 0.5
inches (13 mm)
2. Panels shall be installed according to manufacturer’s instructions
and properly mounted to a rack, cabinet, bracket or other
appropriate mounting device.
3. Panels shall be installed such that cables terminated to the panel
can maintain minimum bend radius of at least 4 times the cable
diameter into the IDC contacts.
4. Cables shall be terminated on the panels such that there is no
tension on the conductors in the termination contacts.
a) Panels shall be properly labeled on front and back with the
cable number and port connections for each port, as per
cable schedule drawings.
5. All cables shall be neatly “dressed out” in equipment rooms.
Cables to be neatly bundled and dressed to their respective panels
or blocks. Each panel or block shall be fed by an individual bundle
separated and dressed back to the point of cable entrance into the
rack or frame.
6. Each cable shall be clearly labeled on the cable jacket behind the
patch panel at a location that can be viewed without removing the
bundle support ties. Cables labeled within a bundle, where the
label is obscured from view shall not be acceptable.
7. Install factory supplied patch panel labels, in the corresponding
T568A configuration, in all Category 6 UTP patch panels, BEFORE
beginning to terminate cables. Cables terminated onto a patch
panel without said port label strip shall not be acceptable\
8. Install factory supplied patch panel labels, in the corresponding
T568B configuration for all Category 5e VOICE interconnect patch
panels, BEFORE beginning to terminate cables. Cables terminated
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onto a patch panel without said port label strip shall not be
acceptable
9. Pair untwist at the termination shall not exceed 3.18mm (0.125”).
10. The cable jacket shall be maintained as close as possible to the
termination point.
11. Terminate all Category 6 patch panels with wiring scheme T568A
12. Terminate all Category 5e voice interconnect patch panels with
wiring scheme T568B. Terminate 1 pair per port except for the last
6 ports in a patch panel which should be terminated 4 pairs per
port.(Reference CU standard detail 27 13 43 01 for further
information).
3.9 CLEANING
A. Pre-acceptance cleaning
1. In all TR spaces - a through sweeping, vacuuming, and wet
mopping/sponging shall be preformed, on a daily basis or less
frequently as directed by Owner. Cleaning shall include floors,
rafters, floor joists, exposed structural members, walls, ladder trays,
tops of cabinets/racks, existing/new passive and active
components, per manufacturer recommendations.
2. All non-metallic cable managers and snap covers shall be wiped
clean, both inside and outside of front, including rear channels. All
clear covers and doors shall be cleaned, both front and rear per
manufacturer recommendations.
3. All non-metallic cable managers and snap covers shall be wiped
clean, both inside and outside of front, including rear channels. All
clear covers and doors shall be cleaned, both front and rear per
manufacturer recommendations.
4. Inside of fiber optic enclosure and patch panels shall be blown
clean of settled dust. Said cleaning shall be performed for all new
construction projects or where gypsum sanding has been
performed.
5. All scraps, boxes, spools, pull-line and trash shall be removed and
properly disposed of.
6. All residual cable lubricant shall be cleaned from floors and walls
with an appropriate degreaser.
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STANDARD SPECIFICATIONS 27 11 00 – PAGE 19 OF 19
NOVEMBER 2, 2012
END OF SECTION