Attachment 3 - Specifications.docx

DIVISION 27 00 00 - TELECOMMUNICATIONS

GENERAL REQUIREMENTS

SUMMARY

Product specifications, general design considerations, and installation guidelines are provided in this written document. Product specifications contained in Part 2 Products are provided only as examples of products meeting minimum requirements. Specific details for each project and the work required for a specified facility will be provided in the contract documents.

COMPLETENESS OF WORK

Complete and usable work: Contractor is responsible for providing complete and usable work according to Project documents. All materials and equipment shall be provided with all accessories and additional work required for field conditions to deliver a complete, usable, and fully functional system.

Terms: As used in this specification, provide means “furnish and install.” Furnish means “to purchase and deliver to project site complete with every necessary appurtenance and support.” Install means “to unload at delivery point at site and perform every operation necessary to establish secure mounting and correct operation at proper location in project.”

Supplementary items: Provide supplementary or miscellaneous items, appurtenances, devices and materials necessary for a sound, secure and complete installation.

Contractor shall verify all field conditions and dimensions that affect selection and provision of materials and equipment, and shall locate equipment, devices, and wiring required to comply with all Project requirements.

REFERENCE CODES AND STANDARDS COMPLIANCE

All materials shall comply with local building codes, fire safety codes, amendments, and ordinances for installation of telecommunications cabling.

All materials and installation practices shall comply with the most current version of the applicable sections of the following Codes for installation of telecommunications cabling:

Uniform Building Code (UBC) NFPA 70 – National Electric Code (NEC) National Fire Alarm and Signaling Code – NFPA 72 Federal Communications Commission (FCC) Part 15 and Part 68 All materials and installation practices shall comply with the most current version of the applicable sections of the following telecommunications industry standards and manuals as appropriate.

Telecommunication Industry Association (TIA) ANSI/TIA-568.0-E Generic Telecommunications Cabling for Customer Premises ANSI/TIA-568.1-E Commercial Building Telecommunications Cabling Standard ANSI/TIA-568.2-D Balanced Twisted-Pair Telecommunications Cabling and Components Standards ANSI/TIA-568.3-D Optical Fiber Cabling and Components Standard ANSI/TIA-569-E, Telecommunications Pathways and Spaces.

ANSI/TIA-526-14-C, Optical Power Loss Measurements of Installed Multimode Fiber Cable Plant ANSI/TIA-606-C, Administration Standard for Commercial Telecommunications Infrastructure.

ANSI/TIA-607-D, Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises ANSI/TIA-758-B, Customer-Owned Outside Plant Telecommunications Infrastructure Standard ANSI/TIA TSB-162-A Telecommunications Cabling Guidelines for Wireless Access Points ANSI/TIA-1152-A, Requirements for Field Test Instruments and Measurements for Balanced Twisted Pair Cabling ANSI/TIA-5017, Telecommunications Physical Network Security Standard

BICSI

Telecommunications Distribution Methods Manual (TDMM), 14th Edition Information Technology Systems Installation Methods Manual (ITSIMM), 7th Edition ANSI/BICSI 008-2018 - Wireless Local Area Network (WLAN) Systems Design and Implementation Best Practices ANSI/BICSI N1-2019: Installation Practices for Telecommunications and ICT Cabling and Related Cabling Infrastructure ANSI/BICSI N3-20: Planning and Installation Methods for the Bonding and Grounding of Telecommunications and ICT Systems and Infrastructure BICSI G1-17, ICT Outside Plant Construction and Installation: General Practices Underwriter’s Laboratory UL 3992 Performance Verification of Patch Cables

DELIVERY, STORAGE, AND PROTECTION

Contractor is responsible for all materials, tools and vehicles left on the job site.

Contractor shall coordinate for the removal of all rubbish and packing materials produced by the Contractor’s activities during the project.

Contractor shall ensure materials are stored according to Manufacturer’s recommendations. In addition, materials must be stored in a location protected from vandalism and weather.

WORK RESTRICTIONS

Conduct operations to ensure the least inconvenience to the public, government employees, and other contractors onsite.

If work is on or near occupied buildings, arrange with the Contracting Officer a means of access and space for storage of materials and equipment, prior to the start of the work.

Keep roadways and entrances clear and available to Government employees and vehicles, emergency vehicles, and the public at all times. Do not use these areas for parking or storage of materials.

Provide adequate signing and barricades, and take necessary safety measures to protect the public during all construction operations, per MUTCD and OSHA. Minimize disturbance of all undisturbed areas.

SCHEDULING

Normal working hours for construction activities are from 8:00 AM to 5:00 PM, Monday through Friday.

Request for additional work hours requires written approval from the Contracting Officer 7 days in advance of the proposed work period.

Coordinate major construction activities and the sequence of work with the Contracting Officer at the pre-construction conference.

Depending on conditions, normal fire restrictions may apply to activities associated with this project. Refer to the fire plan for mandatory requirements for different fire restrictions.

ENVIRONMENTAL REQUIREMENTS

Contractor shall ensure that any pollutants produced by the structured cabling work are disposed of according to local, state or national regulations. Follow the most stringent guidelines.

It is preferred that the Communications Contractor recycle any used or unused components during the construction project.

PROJECT CONDITIONS AND SUMMARY OF WORK

Examine contract documents to determine the scope and extent of each technology infrastructure project. Technology infrastructure projects may include the following work:

Provide a complete data cabling and device system as described herein with pathways and equipment as described for a working system.

Coordination with applicable Government Contacts and Service Providers: Provide plans to their engineering group to review for service entrance conduit and equipment mounting requirements.

Telecommunications Bonding and Grounding System: Grounding and bonding are addressed in Part 2 Products and Part 3 Execution.

Site Pathways: Backbone, Conduit, Handholes/Pull Boxes/Manholes as noted in contract or construction documents.

Conduit, Cable Trays, Cable Supports, Raceway and Sleeves to distribute the structured cabling system throughout the building.

Equipment/Telecom rooms Ladder Rack/Cable Tray.

Fire rated backboards.

Building entrance protectors.

Enclosures, Equipment Racks and Wire Management.

Inter and Intra Building Cabling: Review all project specifications and contract documents for the various cabling systems required for a full functional and complete installation of Category 6 rated copper cable, multi-pair copper cable, fiber optic cable and specialty cable for systems such as:

Ethernet.

Access control.

Audio/video.

Power over the ethernet (PoE).

Other systems where applicable, including sensors, PoE lighting, radio, cellular, government metering.

Copper and fiber optic patch cords in the Equipment/Telecom rooms and at the Telecommunications Outlets.

Splicing and termination materials, frames, plates, cable supports, termination blocks, termination modules, wiring devices, wire management, labeling, and other accessories or consumables needed for a complete and fully functional technology infrastructure.

Telecommunications Outlets, copper and fiber optic termination points in walls, ceilings, floor boxes, poke-throughs, office furniture, and other areas as noted in contract documents.

Firestop, smoke and acoustical sealing protection system.

Testing:

Performance Certification Testing of Twisted-Pair Cables and Optical Fibers.

System testing Shop drawings, As-builts, Operations and Maintenance Manuals, and other submittals.

PRODUCTS

GENERAL

General: SCS, pathways, grounding and bonding and firestop systems supporting telecommunications system shall comply with detailed specifications in this section.

All products listed in PART 2 – PRODUCTS may not be required.

Each type of equipment shall be consistent and uniform, one manufacturer (and color where appropriate).

STRUCTURED CABLING SYSTEM (SCS)

CATEGORY RATED COPPER CABLE

Category 6 UTP, 4-pair cable with cross filler.

Cable shall comply with ANSI/TIA-568.2-D Category 6; UL 444.0; ISO/IEC 11801 Cable shall support network transmission protocols IEEE 802.3: 1000BASE-T; 100BASE-T; ATM 155 Mb/s; CDDI 100 Mb/s Electrical performance Third-party (Nationally Recognized Testing Laboratory -NRTL) verified and characterized to 500MHz.

The cable shall be constructed of 23 or 24-gauge bare copper wire insulated with FEP and FRPP. The four pairs laid up with cross filler to form the basic unit, jacketed with flame-retardant PVC.

Cable may be Type CM or CMG for general applications, and Type CMP shall have Flame Rating of Plenum-NFPA 262 and UL Listed where installed in air handling spaces.

Cable shall have an operating temperature range of -4F to 167F (-20C to 75C).

Cable shall have alpha numeric code printed every 1+ meter.

Cable shall be compliant with Manufacturer’s performance warranty criteria.

Cat 6 cable shall be installed for data station outlets – Telecommunications Outlets.

COPPER CONNECTIVITY

Category 6 UTP Modular Connectors (RJ45 JACKS) The modular connector shall be independently tested and verified by a Nationally Recognized Testing Laboratory to meet or exceed the Category 6 component performance requirements of ANSI/TIA-568.2-D and ISO/IEC 11801 from 1 MHz to 250 MHz to support the IEEE 802.3an standard for 1000BASE-T network performance.

Connector module shall meet IEC 60603-7 (includes IEC 60512-5-2) and IEC 60512-99-001 (includes IEC 60512-9-3) test standards.

The Modular Connector shall be terminated without the need for any punch down tool or other specialized or proprietary termination tool.

Exception: Systems requiring a specialized tool that holds and punches down all wires at the same time, may be allowed, and shall require at least one tool provided and left at the site. Single conductor punch down type are never allowed.

The Connector Module shall feature a termination wire manager that holds individual conductors in place during termination.

The Category 6 Modular Connector termination method shall be consistent with the termination method available for Category 5e and Category 6A UTP modules from the same manufacturer. The same termination method shall also be consistent with Category 5e, 6 and 6A shielded modules from the same manufacturer.

The Modular Connector shall be tested to withstand 750 plug-mating cycles with no degradation of performance.

The eight-position connector module shall utilize a method of tine tensioning that prevents contact bouncing and arcing at the critical contact-mating zone between the plug and connector module tines.

The connector body shall be made of die-cast zinc and all plastic components shall be made of high-impact, fire-retardant plastic rated UL 94V-0.

The connector shall be in compliance with US National Electrical Codes, be compliant with ANSI/TIA-1096-A (formerly FCC Part 68) and be Listed.

Connector Module shall comply with UL 2043 as suitable for installation in plenum spaces.

Connector wiring shall be universal and will accommodate both T568A and T568B pair/pin assignments.

Each connector shall be identified on its face as CAT 6.

The modular connector shall fit a range of telecommunications faceplates, outlets, and field-configurable patch panels.

Cat 6 modules shall be installed for data station outlets – Telecommunications Outlets.

Modular Plug Assemblies Modular plug assemblies shall meet all the general requirements of the similar category modular connectors and include dust boots or other strain relief mechanism to protect the cable and conductors from strain at the plug.

Field Configurable Patch Panels Provide patch panels in each rack to terminate all cables and a minimum of 20% additional or 1 patch panel minimum of the same density used in each rack.

Spare patch panels installed shall have all ports loaded with color coded jacks.

Patch panels shall be field configurable in 24(1RU), and 48(2RU) port densities.

The patch panels shall be compatible with 19" EIA equipment racks, cabinets, or wall mount brackets.

Patch panel shall include an integral grounding lug for attachment of an equipment bonding conductor.

Label positioning blocks and port numbers shall be silkscreened in white and be typical of front labeling of traditional patch panels.

Patch Panel shall be modular type that provides flexibility in individual outlets of different colors and types.

Patch panels shall have machine made labels to correspond to jack locations.

Cable terminations at patch panels shall also have same patch panel and workstation identification on a wraparound label located 6” from cable terminations.

COPPER PATCH CORDS

Small diameter flexible Cat 6 patch cords Patch cords shall meet ANSI/TIA-568.2-D Category 6 standard.

Patch cords shall be listed to UL 444.

Patch cords shall provide 10 Gigabit application performance for cross connecting in systems comprising equipment, cable, and appropriate connectors.

The patch cords shall be 28-gauge, stranded, shielded, U/FTP construction with a nominal outside diameter of 0.185"(4.7mm).

The patch cord shall incorporate 8-position shielded modular plugs on both ends with a snagless tab design.

Patch cords shall be manufactured with factory installed short body style plugs without bend radius boots for limited space applications.

Product shall meet ANSI/TIA-1096-A requirements to include 50 micro inches of gold plating.

Cord labels shall include part number, length, and lot information.

Patch cord bend radius shall be 0.74 inches.

FIBER OPTIC CABLE

Indoor/Outdoor, Plenum, Tight-Buffer, Fiber Optic Cable Fiber optic cable shall be suitable for installation in plenum and riser horizontal environments and interbuilding backbone structures.

Fiber optic cable design shall have tight buffered optical fibers within a dry water blocked cable core. No buffer tube fanout kits are required.

Sheath shall be flame resistant plenum, fungus resistant and sunlight resistant jacket per UL 444 clause 7.22. Suitable for use in conduit below frost line.

Cable construction shall be, tight buffered, 900 micron from 6-144 fibers, sub-unitized and color coded per ANSI/TIA-598-D with aramid yarn strength member.

FIBER OPTIC ENCLOSURES, PANELS AND CASSETTES

Rack Mount Optical Fiber Enclosure Enclosure with sliding tray shall be available in 1RU version that accommodates termination and splicing of fiber.

Fiber cable management routing and protection shall include patch cord bend radius bracket at entry/exit points, adjustable and stackable cable management rings for tight buffer fiber, cable strain relief kit for incoming backbone fiber, and adjustable saddles for patch cords.

Enclosure shall be constructed of 16-gauge steel with a powder coat finish and durable polycarbonate plastic and be mountable in either a 19" rack or cabinet frame.

The rack mount optical fiber Enclosure shall be equipped with either a swing out mechanism or a sliding drawer to access fibers.

The rack mount optical fiber Enclosure shall be capable of terminating tight-buffered or loose tube optical fiber cable and support either direct connectorization or fusion splicing.

Splice trays shall be available to support 12 or 24 strands per tray, heat shrink or bare fiber splicing and be available in metal or molded plastic design.

The rack mount optical fiber Enclosure shall provide for bend radius control throughout the Enclosure as well as storage space for slack cabling.

The Enclosure shall meet or exceed the performance criteria per ANSI/TIA-568.3-D and ISO/IEC 11801.

Sliding tray shall glide forward and backward providing accessibility to front and rear bulkhead after installation.

Enclosure shall include removable rubber grommets to protect cable and minimize dust build-up.

Wall Mount Optical Fiber Enclosures Wall mount enclosures shall accommodate Two (small), 4 (medium) or 12 (large) adapter positions.

Enclosures can be oriented for left- or right-side patching to provide added flexibility.

Adapter bulkhead shall accept Adapter Plates, Splice Modules, and MTP® Cassettes in LC, SC, ST, and MTP connectivity.

Fiber cable management for routing, storage, and protection shall accept tight-buffered fiber and loose tube backbone cables.

Enclosures shall be constructed of 16-gauge steel with a powder-coated black finish and be mountable on a wall.

A port identification label/card shall be provided.

The wall mount optical fiber Enclosure shall provide for bend radius control throughout the Enclosure as well as storage space for slack cabling.

The Enclosure shall meet or exceed the performance criteria per ANSI/TIA-568.3-D and ISO/IEC 11801.

Single-Mode fiber optic cables shall be fusion spliced into LC shuttered splice modules.

Fiber Adapter Plates - Precision Molded The adapter plate shall be modular and functional for use in panel or Panel (rack- or wall-mount) specified.

The adapter plate shall be offered in SC, LC, and ST styles in 6, 8, 12, or 24 fiber configurations.

The adapter plate shall be compliant with ANSI/TIA-568.3-D and ISO 11801 (for performance) and respective ANSI/TIA-604-X and applicable IEC (for intermate ability) standards.

Entire adapter plates shall be color coded, limited to feedthroughs, to identify performance grade. OM1(Beige), OM2 (Black), OM3/OM4 (Aqua), OS2 (Blue) and OS2 APC (Green) Adapter plates shall use zirconia ceramic sleeves and be offered in standard fiber type colors pursuant to ANSI/TIA-568.3-D and appropriate IEC standards.

The adapter and plate shall be integrated to eliminate “rattle” and loose fit.

Adapter panels may be used for Multimode and not for Single mode.

Adapter plates shall be made in the United States of America

FACEPLATES

Flush Wall-Mount Faceplates w/ ID Windows Wall plate housing shall be a one-piece, single- or dual-gang flush mount style that fits standard NEMA openings.

Wall plate shall provide 4, 6, 8 or 12 ports.

Wall plate must be made of high-impact, fire-retardant plastic rated UL 94V-0, and be UL Listed, UL LLC Listed (UL 1863 & CAN/CSA-C22.2 No. 182.4) and meet ANSI/TIA-568-D specifications.

Wall plate screws must match wall plate color. Empty ports blanked matching wall plate color.

COMMUNICATION WALL-MOUNTED OUTLET BOXES

Standard flush mounting electrical boxes outlet boxes shall be 22 cubic inch volume minimum, designed for the required size conduit entry. Steel, plastic, and fiberglass allowed when meeting these requirements.

Use single gang plaster or tile rings as needed.

PATHWAYS AND SPACES

DUCTS, RACEWAY, AND SLEEVES FOR COMMUNICATIONS

Where enclosed conduit is required or specified, the types of approved conduit include the following:

Steel Rigid metal conduit.

Steel Electric metallic tubing (EMT).

Steel Flexible metal conduit.

PVC Schedule 80.

Listed conduits as Underground Electrical Conduit.

Electrical Nonmetallic Tubing (ENT) Innerduct corrugated tubing for Fiber Optic Cable.

Electrical Nonmetallic Tubing (ENT) is allowed when used in accordance to this section and National Electrical Code 362:

Type ENT duct raceways and fittings Performance Criteria:

Regulatory Requirements: Listed and labeled in accordance with NFPA 70, by qualified electrical testing laboratory recognized by authorities having jurisdiction and marked for intended location and application.

Listing Criteria: UL CCN FKHU; including UL 1653.

UL FKHU - Electrical Nonmetallic Tubing (ENT) and Fittings:

Minimum Trade Size: Metric designator 21 (trade size 3/4).

Fittings:

Mechanically Attached Fittings: UL 1653.

Solvent-Attached Fittings: UL 651.

Innerduct Corrugated Conduit Innerduct Conduit Specifications:

Made in accordance with UL 2024 meeting or exceeding the flame requirements for riser or general-purpose applications.

Material Properties in accordance with ASTM D 4216.

Available with flame retardant Pull-Line pull tape installed.

Standard Markings: (Manufacturer), Riser-Guard / Riser, (UL listed), (diameter), (run code), (date), (footage markings).

Designed for use with riser or plenum rated cables.

CABLE SUPPORTS

Universal Cable Runway (Ladder Tray) Made of 3/8-inch x 1-1/2-inch x .065-inch wall rectangular tubing, Cross members welded at 12-inch intervals, and length 9-feet 11-1/2-inches.

UL Classified for suitability as an equipment grounding conductor.

Per manufacturers installation instructions, matching runway elevation, brackets, plates, junction, splice, support, bracing, radius bends, radius drops, divider, retaining posts, movable cross members, endcaps, closing and other hardware kits.

Cable Tray (Wire Mesh or Wire Basket), Indoor Applications Electro-welded wire mesh tray with safety edge with a zinc electroplate finish.

UL Certified approval, IEC 61537, NEMA VE-1 and E90 fire resistance to DIN 4102-12 standard.

Per manufacturers installation instructions, matching runway elevation, brackets, plates, junction, splice, support, bracing, radius bends, radius drops, divider, retaining posts, movable cross members, endcaps, closing and other hardware kits.

J-Hooks and Cable Saddles J-Hooks and cable saddles shall include rounded edges to provide proper bend radius support for high performance data cables.

Minimum 1-1/4” width.

D-rings, bridle rings, or vertical cable management rings Shall be open type or latching to allow removal of cables without threading the cable through the ring.

TIE WRAPS

Velcro Type Tie Wraps Tie wraps shall be 0.5” wide minimum, velcro-type cable hook and loop cable management closures, continuous rolls to allow field cut to length.

Belt types are not required, but if provided, shall be of proper lengths to allow for expansion.

Solid “nylon tie raps” are not allowed for any cable management applications.

TELECOM BACKBOARDS

Fire Retardant Wall-Mounted Backboards.

Fire retardant plywood backboards shall be A/C grade plywood, void free, ¾-inch thick x 4’ x 8. unless stated otherwise with a minimum of two coats of white fire-retardant paint with fire retardant stamp visible and unpainted for each section.

BUILDING ENTRANCE PROTECTORS AND 5-PIN PROTECTION MODULES

Building Entrance Protector to meet or exceed UL497 with industry standard 5-pin protector modules (gas or solid-state) [25][50][100] pair protector block enclosure with industry standard 5-pin plug in modules.

Provide 110 type input and output punch down blocks.

Powder coated steel enclosure with built-in splice chamber, gold-plated protector contacts, stackable.

Internal fuse link for added protection.

Enhanced Building Entrance Protector (Category 5e) Exceeds UL497.

[6][12][25] pair protector block enclosure with industry standard 5-pin plug in modules.

Requires CAT5e Modules.

Provide 110 type input and output punch down blocks.

No enclosure.

Internal fuse link for added protection.

5-Pin Protection CAT5e Modules (required for each pair) Enhanced Building Entrance Protector (Category 6) Exceeds UL497/UL497B, PoE rated.

4 pair protector terminals.

Provide 110 type input punch down blocks, RJ-45 output.

Rated for PoE/PoE+ applications.

FRAMES, RACKS, CABINETS AND CABLE MANAGERS

Adjustable 2-Post Universal Racks (typical) Patch panel racks shall be 84-inch (45U), freestanding, two post, open rack.

19-inch, 2-post universal racks with punched mounting channels/rails in .98” increments, 15-inches depth (physical does not include equipment depth). Load rating 1,500-lbs minimum.

Self-bonding with ground connection (pairs of M6 studs on 5/8” centers) located at the frame bottom.

Power strip mounted in rear of rack.

Vertical cable management.

Horizontal cable management as directed in Part 3 – Execution.

Modular Freestanding Cabinets (only when allowed, no communications room):

Removable and lockable side panels.

Hinged and lockable front and rear doors.

Adjustable feet for leveling.

Screened ventilation openings in the roof and rear door.

Cable access provisions in the roof and base.

Grounding bus bar.

Rack or Roof-mounted, 550-cfm (260-L/s) fan with filter.

Baked-polyester powder coat finish.

Cabinet shall be 40-inch deep, nominal, designed for 19-inch equipment.

Load rating 1,500-lbs minimum.

All cabinets keyed alike.

One power strip mounted in rear of cabinet.

Two single sided, vertical cable managers.

Horizontal cable management as directed in Part 3 – Execution.

Modular Wall Cabinets (only when allowed, no communications room):

Wall mounting cabinet shall hinge to swing out allowing access to the backside of equipment.

Steel construction, treated to resist corrosion.

Lockable.

Louvered side panels.

Cable access provisions top and bottom.

Grounding lug.

Fan, mounted in cabinet.

Power strip.

Cabinet fan and power strips are sized in the contract documents. When not sized in contract documents, cabinet shall be 48- inch high (26U), 30-inch deep, nominal, designed for 19-inch equipment. .

Load rating 300-lbs minimum.

All cabinets keyed alike.

Vertical cable management.

Horizontal cable management as directed in Part 3 – Execution.

Vertical Double Sided Cable Manager with Covers Movable mid-section in double-sided managers move forward, backward, up and down, allowing increased flexibility in space utilization and accessory placement.

Door opens to the right or left with a single latch.

6-inch-wide vertical cable manger with T-shaped rounded cable guide design to resist deflection when loaded with cables.

Rounded edges on the cable guides and at top of the cable manager protect cables as they enter and exit the storage space.

Horizontal Cable Managers with Snap on Covers 19-inch universal horizontal cable managers with extra-wide contoured cable guide fingers, spaced 1.75” apart.

Cable guides are offset to ensure proper bending radii of patch cables.

Snap-on covers that open 180° up or down.

BONDING AND GROUNDING

Primary Bonding Busbar (PBB) Predrilled copper buss bar with holes for use with correctly matched listed lugs and hardware.

Have minimum dimensions of 0.25” thick by 4” wide by 12” long, 2-inch (50mm) stand-off distance. Increase length as necessary to provide all connections plus 25% spare capacity.

Secondary Bonding Busbar (SBB) Predrilled copper buss bar with holes for use with correctly matched listed lugs and hardware.

Have minimum dimensions of 0.25” thick by 2” wide by 12” long, 2-inch (50mm) stand-off distance. Increase width or length as necessary to provide all connections plus 25% spare capacity.

Rack Bonding Conductor (RBC) RBC shall be copper and may be insulated.

Be listed for the application when insulated.

Be sized as a No. 6 AWG Rack Bonding Busbar (RBB) RGB shall be hard drawn electrolytic tough pitch 110 alloy copper bar.

RGB shall have tapped lug mounting holes on 1” centers and two pairs of 5/16” diameter holes spaced 3/4” apart for attaching ground jumpers.

FIRESTOP SYSTEM FOR TELECOMMUNICATIONS

Selected systems shall meet the hourly time delay ratings recommended for each fire-rated floor, wall, or other partition of building construction; and be appropriate for each type of telecommunications penetrations per NEC and the additional requirements in ANSI-J-STD-607.

POWER STRIPS

Power Strips: Comply with UL 1363.

Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

Rack mounting.

Eight, 20-A, 120-V ac, NEMA WD 6, Configuration 5-20R receptacles.

LED indicator lights for power and protection status.

LED indicator lights for reverse polarity and open outlet ground.

Circuit Breaker and Thermal Fusing: Unit continues to supply power if protection is lost.

Cord connected with 10-foot (3-m) line cord.

Rocker-type on-off switch illuminated when in on position.

Peak Single-Impulse Surge Current Rating: 33 kA per phase.

Protection modes shall be line to neutral, line to ground, and neutral to ground. UL 1449 clamping voltage for all three modes shall be not more than 330 V.

EXECUTION

GENERAL

Provide a complete and functional data cabling and device system as described herein. Furnish and install all cables, materials, racks and panels, terminations, wiring devices and telecommunications outlets, wire management, labeling, and any other accessories or consumables needed for a complete and fully functional telecommunications infrastructure, including:

Conduit, cable supports, and sleeves to distribute the structured cabling system throughout the building/site as required in the contract documents of which this Section is part of.

All installations shall comply with the listed standards in Part 1 - General, and specific manufacturer instructions.

EMI/RFI Avoidance Cables, cable supports, and non-ferrous conduits shall be routed such that the minimum separation distances from EMI/RFI and electrical power sources, as detailed in, are maintained and in accordance with most current ANSI/TIA-568 Series, BICSI TDMM, manufacturer's recommendations, and best industry practices.

To avoid electromagnetic interference (EMI) route cables to maintain the following minimum distances:

Three inches from power lines of 2 KVA or less installed in conduits or grounded flexible armor below access floors.

Three inches from fluorescent fixtures with remotely installed ballasts.

Five inches from standard fixtures.

Five inches from power lines 2 KVA of less.

Twelve inches from power lines of between 2 to 5 KVA.

Twelve inches from 110 to 277-volt lighting.

Twenty-four inches from power lines of 5 KVA or greater.

Three feet from transformers or motors.

Maintain a minimum twelve-inch separation between telecommunication cables running exposed in ceiling or floor voids and parallel electrical cables/conduits.

Do not place telecommunication wiring in the same conduit or raceway with wire for electrical power distribution.

Telecommunication cables shall cross electrical cables/conduits at 90-degree angles.

Installed systems shall maintain the integrity of building systems. Firestop, smoke, and acoustical sealing systems shall be installed or repaired as needed.

ENTRANCE FACILITY (EF)

The entrance facility may be combined with the main Equipment Room (ER) or main (Tele)Communications Room (TR).

Contractor shall verify the requirements of local Access Provider (AP) for service entry into the main building and provide the backboard and service entry conduit.

Install a backboard as the Demarcation Point for telephone equipment or other equipment mountings by any AP.

Provide sufficient space between equipment mountings or EF segments to allow for future expansion. Thirty-six (36) inch access shall be provided in front, back and to the sides of all racks and cabinets or rows.

Provide Grounding and Bonding for EF as required by this specification, including a Primary Bonding Busbar (PBB).

Verify requirements for grounding of AP equipment and ensure proper bonding.

Provide a minimum of two EF service entry conduits for sites with one building for Access Provider(s) use. Conduits to originate from Access Provider Service point.

EQUIPMENT ROOM (ER) AND TELECOMMUNICATIONS ROOMS (TR)

These rooms may also be referred to as Communications Rooms and depending on building requirements may under special circumstances be a closet (treated like a room), standalone 4-post enclosed locking rack provided with front and rear access, or a wall mounted rack enclosure.

Each building noted for communications shall include one communications closet sized per EIA/TIA standards unless otherwise indicated.

Room size typically 150 ft2 for shared EF and ER, 100 ft2 for other rooms.

Service floor area shall be limited to a maximum cable length of 300 feet including required cable slack (about 23 feet).

Typically, one room minimum, per floor, in multi-floor buildings.

Power shall be provided as required in the contract documents. Circuits shall not be shared with any other equipment not related to an individual communications room. If not otherwise noted:

Supply six twenty (20) amp circuits with a single quad or two duplex receptacles at locations agreed upon by the Forest Service or Forest Service Representative. Special circumstance closets and racks that are not installed in comm rooms may be fed with only two circuits above.

These circuits shall be individually surge protected (outlet level allowed to be down fed to the second duplex), or collectively protected with branch circuit panel.

All cable and associated hardware shall be placed to make efficient use of available space in coordination with other uses. All cable and associated hardware shall be placed to not impair the use or capacity of other building systems, equipment, or hardware placed by others (or existing).

Install trunk wiring between the Access Provider Demarcation Point in the EF and the ER. Terminate the trunk wiring as prescribed on rack mounted CAT 6 patch panels.

Backbone pathway is required when in separate rooms.

Install with cable ladder trays and cable management systems.

Install racks and related equipment.

Provide Grounding and Bonding for as required by this specification.

A Primary Bonding Busbar (PBB) Secondary Bonding Busbar (SBB) shall be installed in all rooms. Grounding of standalone and wall mounted cabinets shall meet requirements of Rack Bonding Busbar (RBB).

PATHWAYS (CABLE SUPPORTS, CONDUITS, SLEEVES, RACEWAYS) INSTALLATION GENERAL

Pathways should typically follow all main corridors, implied corridors in open office areas, and/or partitioned corridors.

The telecommunication system shall be in an independent pathway system and separated from all other electrical raceway systems.

The intent of the Government is that telecommunications conduit shall be used for the telecommunication wiring distribution system between the following:

Service provider Feeder and Demarcation Point (DP) in the Equipment Room (ER).

ER to other communications rooms when backbone cabling is used.

From wall mounted outlet boxes into crawl spaces and attics for all TO wiring.

Where enclosed conduit is required or specified, the types of approved conduit include the following:

Steel rigid metal conduit (RSC and IMC).

Steel electric metallic tubing (EMT).

Steel flexible metal conduit.

Innerduct tubing for Fiber Optic Cable.

PVC Schedule 80.

Other below grade conduits listed as Underground Electrical Conduit.

Electric nonmetallic conduit (ENT) allowed only for TO wiring.

Where open raceways are required or specified, the types of approved raceways include the following:

Cable tray or (wire) basket tray is preferred for above-ceiling, under-floor, or unfinished building or warehouse areas above eight heights.

Rigid Ladder tray is required in the ER between the racks and the walls and rooms entry points for cables.

Other raceways may be used after submittal and receipt of written approval from the Forest Service or Forest Service Representative prior to purchase and installation.

Pathways and cables shall be installed above fire-sprinkler systems and shall not be attached to the system or any ancillary equipment or hardware. The cable system and support hardware shall be installed so that it does not obscure any valves, fire alarm conduit, boxes, or other control devices. Keep wiring away from heating ducts.

Installation Quality Assurance Keep pathways a minimum distance of 6 inches from parallel runs of flues, hot water pipes or other sources of heat.

Pathways are not to cross pipe shafts, or ventilating duct openings.

Refer to “EMI/RFI Avoidance” article.

Communications cables and all related supports and conduits shall not be supported by raceway, pipes, or other noncommunications systems but shall be securely mounted with mechanical supports from the building structure.

All metal pathways/raceways shall be bonded and grounded according to ANSI/TIA 607-D.

Install all support units plumb and level and maintain manufacturer's recommended clearances.

Conceal conduits in new construction work, either in walls, floor slabs, attics, or above hung ceilings. In existing construction, run pathways in concealed locations where practical.

Communications room pathways shall typically be exposed.

All interior cables shall be protected from physical damage by installation in a pathway.

Pathways shall be wire basket or cable tray when installed in attics, above suspended ceilings, in crawl spaces, or above eight-foot height in unfinished office space, or above required clear ceiling height in warehouse spaces.

All backbone cables between communications rooms shall be installed in conduit or wire way. When installed in the above required pathways, keep separate from horizontal cables.

Cable shall not be laid upon purlins, rafters, trusses, suspended ceiling panels, duct work and other similar items.

All pathways must meet the cable manufacturer’s support and suspension recommendations.

Avoid use of dissimilar metals throughout system to eliminate possibility of electrolysis.

Coat surfaces with corrosion inhibiting compound before assembling where dissimilar metals are in contact.

Mechanically fasten together metal conduits, enclosures, and raceways for conductors, to form continuous electrical conductor. Connect to electrical boxes, fittings and cabinets to provide electrical continuity and firm mechanical assembly.

TIE WRAPS

Hook and loop type closures shall be provided for all cables in equipment racks, ladder trays, wire baskets to keep things looking professional and to keep cables controlled.

Install on vertical drops at 12” OC.

Install on horizontal runs at:

36” O.C. in communications rooms.

60” O.C. in other areas where total of all cables exceeds 20.

Different systems shall be bundled separate from each other.

Fasten to rack or basket and around cable bundles.

Solid “nylon tie raps” are not allowed for any cable management applications.

Wire ties and mounting bases and other similar devices to provide support or bundling for cables shall be screw or otherwise permanently mounted to the building. Glue mounted devices are not allowed.

CONDUIT AND SLEEVE INSTALLATION

Installation shall comply with conduit and sleeve installation requirements of NEC, and UL standards.

Conduits shall be installed for all backbone cables not installed in an approved pathway, and, for all underground cabling.

Changes in direction shall be sweeping bends or pull boxes.

Limit total bends to 220 degrees (equivalent to tow 90’s and 4 offsets) or less between pull boxes.

Maximum of 30 m (100 ft) between pull boxes where installed above ground.

Field-bend conduit with benders designed for purpose so as not to distort nor vary internal diameter.

Below grade, long radius 24” telecommunications sweeps shall be used to make all turns in the conduit, except for the point of penetration into the building.

Entrance facility conduits shall be size 4-inch unless otherwise sized in the contract documents.

Cut conduit straight, properly ream, and cut threads clean and free of burrs.

Fasten Conduit terminations in sheet metal enclosures by 2 locknuts and terminate with plastic bushing. Install locknuts inside and outside enclosure.

All conduits shall have a plastic bushing at each termination or junction point to protect conductors when pulling.

Support any riser conduit at each floor level with clamp hangers.

Existing walls may have communications cables fished through walls to TO cut-in boxes. Communication rings may be used in non-fire rated existing finished walls Innerduct Corrugated Conduit shall be provided for optical fiber lines.

Install as directed on all backbone and horizontal optical fiber lines.

Install plenum or riser inner duct suited for use as a nonmetallic flexible raceway for protecting and organizing optical fibers in riser or plenum applications.

Size per optical fiber cable.

BACKBOARD

Provide minimum, contract document specified size, or size as required for the mounting of all AP equipment, any agency required phone, network, or radio communications equipment, and other building or critical systems equipment terminations within the EF, or combined EF/ER area.

If not sized, provide to cover two adjoining walls, not to include personnel entry (door) wall.

Install backboards in single row, vertically mounted unless otherwise directed. Mount backboard up to 18-inches above finished floor elevation when ceiling height is greater than 8-foot.

Install Class A/Class 1 fire retardant plywood (ASTM E-84). Fire-treated stamp must be visible. If backboard is painted, then the Fire-treated stamp should not be covered by paint.

OR

Paint surface of backboard with a minimum of 2 coats of fire-resistant paint prior to installation of any equipment on the backboard.

Backboards for a building may contain the following equipment:

Access Provider owned and installed equipment.

Building Entrance Protection equipment (transient or lightning protector blocks).

PA amplifier and volume controls Voice over IP interface equipment or PBX equipment.

Access control panels Intrusion detection system panels Fire alarm panel EPO panel IT room power panel.

BONDING AND GROUNDING

The telecommunication system must have an equipment bonding system that is isolated and insulated (green covered conductors are not allowed) from all other ground/bonding systems except at the building service entrance grounding system and as noted herein. Install the bonding system in accordance with the latest edition of the NEC and contract document requirements.

Primary Bonding Busbar (PBB) Provide a bonding buss bar (PBB) at the telecommunications service entrance.

Install Telecommunications Bonding Conductor (TBC) bonding the PBB to building service equipment Main Grounding Bus (MGB). Use copper, insulated green conductors. When not sized on the contract documents:

Use a #1/0 for lengths 52 feet (16 m) and less.

Use not smaller than 2 kcmil per linear foot of conductor length, but not larger than 750 kcmil for longer lengths.

In small buildings, where a communications room is not installed (such as using a wall mounted enclosure) and limited electronics (no servers, radio equipment, and similar), a #4 copper may be proposed.

Secondary Bonding Busbar (SBB) Provide a bonding buss bar (SBB) in each additional communications room.

Secondary TBC shall meet main TBC requirements, but may connect to building service equipment ground busbar, PBB, or main TBC.

Install a Rack Bonding Busbar (RBB)on each rack, including standalone and wall mounted enclosures, according to equipment manufacturers instructions.

Bond the following communication room equipment to the communication rooms PBB or SBB individually (not daisy chained) with a minimum of a #6 copper, green insulated conductor, and proper grounding/bonding kits:

Equipment racks and enclosures.

Wall mounted patch panels.

Cable trays (wire and ladder) and other metal raceways.

Panelboards installed in the communications room (does not replace panelboards required feeder equipment ground), unless otherwise directed in contract documents.

Remove paint from equipment where ground/bonding kit is applied or provide literature indicating not required per listing.

Provide and install general bonding jumpers and accessories per contract documents and equipment manufacturers literature for cable trays (wire and ladder) continuous sections and across all noncontinuous breaks.

Provide a #6AWG bare ground in each cable tray and wire basket bonded to the cable tray or wire basket tray.

Connect from equipment Primary Bonding Busbar in ER & TR rooms on wall to equipment rack frames and other equipment.

CABLING, COPPER AND FIBER, GENERAL INSTALLATION

It is the intent of the Government that:

Backbone cabling be installed between communications rooms. Backbone cabling will be fiber optic, with at least 8-strand fiber installed with armoring, innerduct in conduit, or, innerduct laid in a pathway as a minimum.

All backbone fiber optic cabling shall be 8 strand OM3 50/125 µm multimode.

Horizontal cabling be installed between communications rooms and Telecommunications Outlets (TO). Horizontal cabling shall be, unless otherwise noted in contract documents:

Typical: Category 6 copper, two cables to each TO.

All cables be fully and properly terminated on both ends.

Copper cabling may contain no more than one transition point or consolidation point between the horizontal cross-connect and the telecommunications outlet/connector.

Bridged taps and/or splices will not be installed in the horizontal cabling.

Communications cables shall be rated CM, OFN, and/or OFNG (general purpose); CMR and/or OFNR (riser); CMP and/or OFNP (plenum).

Communications cables shall be rated OSP (outside plant cable) where installed below grade or exterior to buildings.

The contractor is responsible for installing the correct cable type in the appropriate environment, and any failures to do so according to the Forest Service or the Authority Having Jurisdiction (AHJ) will result in the contractor removing unsuitable cables and installing the correct cable, at their own expense.

A plastic or nylon pull cord with a minimum test rating of 90 Kg (200 lb.) shall be co-installed with all cable installed in any conduit.

Cables shall be, home run, installed in continuous lengths from origin to destination (no splices).

At no point shall cable(s) rest on acoustic ceiling grids, T-bars, ceiling support wires, acoustical panels or other components of the suspended ceiling.

The maximum allowable copper cable length installed in the permanent link (jack to jack) is 295 feet (90 m). Allowance for patch cords, maximum combined total length of 32 feet (10 m) is separated out from this value.

Any cable damaged or exceeding recommended installation parameters during installation shall be replaced by the Contractor prior to final acceptance at no cost to the Government.

Use extreme care in handling, fishing and pulling-in telecommunication wiring to avoid damage to conductors, shielding and jacketing/cladding. Always use manufacturer’s recommendations and best practices when pulling cables.

Pull wires and cables simultaneously where more than one is being installed in same raceways.

Ensure wire manufacturer's recommended pulling tensions and bend radiuses are not exceeded. Refer to manufacturer's requirements.

Use pulling compound or lubricant, where necessary; compound used must not deteriorate conductor or insulation. Do not use soap as pulling lubricant.

Use pulling means including, fish tape, cable, rope, and basket weave wire grips, which will not damage wiring and raceway.

HORIZONTAL CABLES

Applications required for this project will include Category 6 data, or Local Area Network (LAN) capability. There is no difference between the two data (and voice) lines installed to from each TO to the TR.

Cable shall be installed in accordance with most current ANSI/TIA-568 Series, BICSI TDMM, manufacturer's recommendations, and best industry practices.

Each cable shall be clearly labeled on the cable jacket behind the termination device at a location that can be viewed without removing the bundle support ties.

BACKBONE CABLES

Cables shall be dressed and terminated in accordance with the recommendations made in ANSI/TIA-568-E standards, manufacturer's recommendations, and best industry practices.

All cable and associated hardware shall be placed to make efficient use of available space in coordination with other uses. All cable and associated hardware shall be placed so as not to impair the use or capacity of other building systems, equipment, or hardware placed by others (or existing).

Backbone cables shall be installed separately (bundled) from horizontal distribution cables. See “Pathways Installation General” article. Innerduct counts as bundling.

Where cables are housed in conduits, the backbone and horizontal cables shall be installed in separate conduits.

Install all fiber optic cables within innerduct tubing inside the conduit for backbone installation.

Leave 3m (10 ft) of slack on each end of backbone cables.

Backbone cables spanning more than two floors shall be securely attached at the top of the cable run with a wire mesh grip and be supported by messenger strand, cable ladder, or other method to provide proper support for the weight of the cable on alternating floors or as required by local codes.

Backbone cables terminations shall be made in the proper required enclosures, patch panels, and BEP as applicable.

TERMINATIONS (COPPER AND FIBER) GENERAL

Cables shall be dressed and terminated in accordance with manufacturer's recommendations and best industry practice.

Terminations shall not exceed the allowable bend radius of cables.

VOICE AND DATA MODULAR JACKS AND PLUGS

Use TIA designation T568-B to terminate wiring at patch panels and TOs.

Existing building with terminations wired to T568-A may be wired to T568-A to retain consistency.

Terminate Twisted-pair wiring in strict accordance with the manufacturer’s recommendation:

8-position, 8-contact (8P8C) modular jacks shall be installed in accordance with manufacturer's recommendations and installation guides, and best industry practices.

Where point-of-use end modular plugs are required, they shall also meet the same requirements.

Untwist at the termination shall not exceed 6.35 mm (0.25 inch).

Install category 6 jacks in patch panels, faceplates and device boxes, and other mounting devices as indicated by location and use.

Plugs in finished areas when terminating to devices where cabling will be exposed, shall also include device boxes and faceplates designed for the cable penetration. Terminate cable after faceplate installed.

OPTICAL FIBER TERMINATIONS

All optical fiber shards shall be properly disposed of in an approved container to prevent injury. The use of tape is not an approved method for disposal.

Application of direct connect fiber connectors (crimp, adhesive or anaerobic) shall be done…