COMMUNICATIONS CABLING SECTION COMMUNICATIONS CABLING PART 1 - GENERAL

Transcription

1 COMMUNICATIONS CABLING RELATED SECTIONS SECTION COMMUNICATIONS CABLING PART 1 - GENERAL A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and division 1 Specification Sections, apply to this section. Refer also to specification sections: B. Related Section General Provisions for Electrical Work C. Related Section Raceways and Boxes 1.2 SUMMARY A. The Unshielded Twisted Pair (UTP) cabling system installation shall include all necessary components for a complete, certified, operational category 6 TIA/EIA-568-B.2 compliant UTP structured cabling system between the telecommunication closet and work area stations as specified to support LAN/Data and Voice applications. B. Data/Telephone Outlets: For each outlet install one Category 6 UTP cable from the equipment located in the building data closet to the associated outlet box. Install cable system from end to end (no splices). Terminate on RJ45 jack in the single gang faceplate. Cabling shall consist of 4 pair Category 6 UTP cable, plenum rated and have blue jacket. C. The drops will be located as identified on the project electrical drawings. 1.3 SUBMITTALS A. Submittals for this section shall be sent to the Engineer for review as a single document. Multiple submittals for this section will not be accepted. The following shall be the minimum submitted for approval. 1. Complete manufacturer's construction details and specifications for the cables, including physical and electrical characteristics of insulation and conductors. 2. All dimension information of each product in this section. 3. Maximum pulling strain allowed for each type cable. 4. Catalog sheets, specification and installation instructions for all products. 5. Sample page(s) of test report documentation that will be provide at the completion of this project. 1.4 QUALIFICATION TESTING A. Qualification tests shall be performed by the manufacturer initially on each cable. These tests shall be performed in accordance with ANSI/EIA/TIA-568A prior to shipment. B. The completed cable, while on the shipping reel, shall be tested at room temperature to insure it meets or exceeds the design specifications. C. Certification shall be provided to show the results of these tests. D. All cable must meet or exceed the ANSI/EIA/TIA-568A Category 6 extended frequency requirements.

2 COMMUNICATIONS CABLING QUALIFICATIONS A. The contractor shall have a minimum successful track record in production and use of Category 6 cables as follows: 1. CAT6 Cable: Five (5) years. 2. Terminations: Five (5) years. 3. Outlets and Patch Panels: Five (5) years. B. Installers' Qualifications: The persons installing the Work of this Section and their supervisor, shall be personally experienced in Category 6 Cable systems and shall have been engaged in the installation of Category 6 Cable Systems for a minimum of two (2) years. Five (5) installations shall be provided and considered only if no failures have occurred. C. Contractor shall submit manufacturer s experience as specified above including references to projects completed. Contractor must be certified by the manufacturer that the contractor is a qualified installer of their product and that the manufacturer will warrant the contractor s work. 1.6 WARRANTY A. The connectivity manufacturer shall warrant that the cable and cable component products will be free from defects in material and workmanship provided the products are employed under conditions contemplated and covered by the design specifications, and provided further that the products are installed, terminated, maintained and operated in accordance with the manufacturers recommended standards and procedures. B. If a product fails while in service, and the failure is the result of defective material or workmanship, the manufacturer's responsibility under this warranty shall be to repair or replace the defective product, including all parts and labor. If the manufacturer chooses to replace the defective product, the new product will be delivered free of charge to the above noted project site. C. The foregoing warranty supplements all other warranties. This warranty shall be effective for a period of twenty-five (25) years from date of acceptance by Owner. D. This warranty shall provide a manufacturers warranty covering the components (cable, connectors and connecting hardware) and installation labor of the Category 6 (350mhz) Cabling System. E. The contractor shall provide a certificate prepared by the manufacturer describing the warranty within 45 days of final acceptance. 2.1 DESCRIPTION OF SYSTEM PART 2 - PRODUCT A. The system to be provided will be a Local Area Network capable of supporting frequencies up to 350MHz and data transfer speeds including 1000 Mbps. Category 6 Unshielded Twisted pair cable shall be used. The basis for the system design is the Leviton Category 6 Cabling System. 1. The horizontal data cables will terminate to new Category 6 patch panels in the new wiring closet. 2.2 MANUFACTURER A. The CAT6 cable specified herein shall be manufactured by Mohawk or Berk-Tek, using Leviton or Panduit CAT6 compliant cabling components. Other systems and/or components of other

3 COMMUNICATIONS CABLING manufacturers may be considered if equal by written approval of an authorized agent of the Owner, and shall meet all of the performance specifications identified herein. 2.3 MATERIALS A. Mohawk or Berk-Tek CAT6 certified unshielded twisted pair cable, using Leviton or Panduit cable components. All cable shall be Plenum rated. System Characteristics 100 meters total Frequency Impedance Attenuation NEXT ACR (MHz) (Ohms) (max) Worst pr,loss (min) (min) /- 15% 2.0dB 70.5dB 70.5dB /- 15% 6.5dB 56.0dB 52.0dB /- 15% 22.0dB 40.5dB 21.0dB /- 15% 45.0dB 33.0dB --- Mohawk CAT6 MegaLAN 400, UTP Cable Plenum Rated Berk-Tek CAT6 LANmark-350, UTP Cable Plenum Rated B. Leviton CAT6, RJ 45 patch cord C. Leviton RJ45 CAT6 modular jack, ivory finish. D. Non-raceway Solution 1. Leviton Quickport Plate two port (Part No IS) 2. Leviton Quickport Plate four port (Part No IS) 3. Leviton RJ45 Blank Port (Part No BIB) 4. Leviton F-Type Bulkhead Module (Part No FIF) E. 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. 2.4 CABLE MANAGEMENT A. J-Hooks; Install J-Hooks above ceilings and in the wiring closets to organize cables. Consult manufacturer for proper installation procedures. 1. Mono Systems Model No. H-966-A B. Provision each J-Hook with two black rung caps, Mono Systems No EQUIPMENT FRAMES A. Manufacturers: Subject to compliance with requirements provide products by the following: 1. Panduit 2. Hubbell 3. ADC B. Floor Mounted 2-Post Racks 1. Hubbell HPW84RR19 or Customer Approved equivalent C. 19 rack mounted strain relief bars: Hubbell CMBR or customer approved equivalent D. Vertical cable management system for each end, equal to Panduit Model WMPV22E/45E. E. Hinged covers and black finish. F. Ladder Rack above rack and perpendicular to room.

4 COMMUNICATIONS CABLING PATCH PANELS A. Category 6, Universal, black, 48 Port with Strain Relief Bar: Subject to compliance with requirements, provide products by one of the following: 1. Panduit 2. Berk-Tek 3. Belden B. Provide minimum of (3) patch panels. 2.7 OPTICAL FIBER CABLE A. Manufacturers: Subject to compliance with requirements provide products by the following: 1. Berk-Tek 2. Mohawk 3. Corning B. Description: Single mode, 6 strand, premise distribution indoor/outdoor fiber optic cable. 1. Comply with ISO-TIA standard OS2. 2. Comply with ICEA S for mechanical properties. 3. Comply with TIA/EIA-568-C.3 for performance specifications. 4. Comply with TIA-492AAAB for detailed specifications. 5. Maximum Attenuation:.7 db/km at 1310 nm;.7 db/km at 1550 nm. C. Jacket: 1. Cable cordage jacket, fiber, unit, and group color shall be according to TIA-598-C. 2. Imprinted with fiber count, fiber type, and aggregate length at regular intervals not to exceed 40 inches. 2.8 GROUNDING AND BONDING A. The facility shall be equipped with a Telecommunications Bonding Backbone (TBB) in the new tele/data room. 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. The TBB shall be installed independent of the building s electrical and building ground and shall be designed in accordance with the recommendations contained in the ANSI/J-STD-607-A Telecommunications Bonding and Grounding Standard. B. The Tele/data room shall be provided with a telecommunications ground bus bar (TGB). Each TGB shall be connected to the building electrical entrance grounding grid. 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. All racks, metallic backboards, cable sheaths, metallic strength members, splice cases, cable trays, etc. entering or residing in the tele/data rooms shall be grounded to the respective TGB using a minimum #6 AWG stranded copper bonding conductor and compression connectors. 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 bus bars shall be identified and labeled in accordance with the System Documentation Section of this specification.

5 COMMUNICATIONS CABLING FIRE STOP A. Firestop system is comprised of the item or items penetrating the fire rated structure, the opening in the structure and the materials and assembly of the materials used to seal the penetrated structure. Firestop systems comprise an effective block for fire, smoke, heat, vapor and pressurized water stream. B. All penetrations through fire-rated building structures (walls and floors) shall be sealed with an appropriate firestop system. This requirement applies to through penetrations (complete penetration) and membrane penetrations (through one side of a hollow fire rated structure). Any penetrating item i.e., riser slots and sleeves, cables, conduit, cable tray, and raceways, etc. shall be properly firestopped. Firestop systems shall be UL Classified to ASTM E814 (UL 1479) and shall be approved by a qualified Professional Engineer (PE), licensed (actual or reciprocal) in the state where the work is to be performed. 3.1 INSTALLATION PART 3 - EXECUTION A. Prior to and during installation, refer to system layout and design drawings containing all elements of the system. Installer shall comply with all manufacturers instruction sheets accompanying system components as well as complete system installation sheets and specifications. B. The contractor shall properly install and test all CAT6 350mhz cabling in and between the wiring closet and data drop locations as per the scope of this project. C. The contractor shall provide and install all jacks, face plates and associated hardware to each drop location. Drawings do not reflect all associated parts required. It is the responsibility of the contractor to provide all necessary parts to support the number of devices shown. D. All cables shall be run in ceiling cavities or in a protected environment such as conduit or wiremold as specified by this design. All manufacturers and industry specifications relating to installation, testing and termination's should be strictly adhered to. Any exceptions to this must be obtained in writing from an authorized agent of the Chautauqua County DPF. 3.2 PATCH CABLES A. The contractor will provide and install CAT6 RJ45 patch cables for each drop location. The installer will ensure that all cables are installed and secured in a neat and organized fashion. 1. Provide (1) 3ft CAT6 patch cable for each cable at the Wiring Closet. 2. Final length of each patch cable to be determined by owner at submittal time. (Max. 6 ) 3.3 TESTING A. The contractor shall be responsible for verifying that each cable is installed properly. The contractor will also provide to the county via the architects, documentation supporting the successful testing of each cable. The contractor will guarantee the CAT6 (350mhz) cabling will be certified to support 1000 MBPS network applications, as well as certified by the contractor to 100 Mhz. and swept out to 350mhz. Each cable shall be tested using an Agilent WireScope 350 tester and swept out to 350mhz. The tester shall run an auto test, pattern that tests and certifies CAT6 performance standards are met. The contractor will provide a Penta Scanner

6 COMMUNICATIONS CABLING cable test certification document as produced by the Penta Scanner to the countyt as proof of successful installation. This is required for each cable prior to completion of the project. 3.4 LABELING A. Each cable shall be labeled using a permanent alpha numeric marking system at both ends. B. Each data and patch panel port shall be labeled in accordance with TIA/EIA 606 standards. 3.5 COMPLETENESS A. The CAT6 cabling system shall be installed complete including all cable connections to intelligent network components, restraint and support, documentation, identifying tags and associated hardware. B. The contractor will ensure that the completed installation will conform to all EIA/TIA -568A applicable codes and industry standards as required. C. The fiber optical cabling system to be installed end to end as shown on Site Plan. Provide 10 extra cabling at each end for owner provided equipment connections. END OF SECTION