SECTION 27 1500

Data Communications Horizontal Cabling

Part 1 - General

1.1 Work Included

  1. Provide all labor, materials, tools and equipment required for the complete installation of work called for in the Construction Documents

1.2 Scope of Work

  1. This document describes the products and execution requirements relating to furnishing and installing Horizontal Cabling. Data Communications Horizontal Cabling is covered under this document.
  2. The Communication Equipment Room shall support a minimum of (2) 4-pair Unshielded Twisted Pair (UTP) Copper Cables to each work area outlet unless otherwise noted for specific locations. The cables shall be installed from the Work Area Outlet to the Telecommunications Room (TR) located on the same floor, and routed to the appropriate rack serving that area and terminated as specified in this document.
  3. This section includes minimum requirements for the following:
    1. Copper UTP Cable
    2. Fiber Cable
  4. All cables and related terminations, support and grounding hardware shall be furnished, installed, wired, tested, labeled, and documented by the telecommunications contractor as detailed in this document.
  5. Product specifications, general design considerations, and installation guidelines are provided in this document. Quantities of telecommunications outlets, typical installation details, cable routing and outlet types will be provided as an attachment to this document. If the bid documents are in conflict, this specification shall take precedence. The successful vendor shall meet or exceed all requirements for the cable system described in this document.

1.3 Regulatory References

  1. The following industry standards are the basis for the structured cabling system described in this document:
    1. Telecommunications Industry Association / Electronic Industries Alliance (TIA/EIA)
      1. 568-C.0-2012: Generic Telecommunications Cabling for Customer Premises
      2. 568-C.1-2012: Commercial Building Telecommunications Cabling Standard
      3. 568-C.2-2010: Balanced Twisted-Pair Telecommunications Cabling and Components Standards
      4. 568-C.3-2011: Optical Fiber Cabling Components Standard
      5. 568-C.4-2011: Broadband Coaxial Cabling and Components Standard
      6. 569-C-2012: Telecommunications Pathways and Spaces
      7. 598-C-2005: Color Coding of Optical Fiber Cables
      8. 606-B-2012: The Administration Standard for the Telecommunications Infrastructure of Commercial Buildings
      9. 607-B-2011: Telecommunications Bonding and Grounding (Earthing) for Customer Premises
      10. 758-B-2012: Customer-Owned Outside Plant Telecommunications Infrastructure Standard
      11. 942-A-2012: Standard for Data Centers
    2. National Fire Prevention Act (NFPA)
      1. National Electric Code 2011 (NEC)
    3. International Organization for Standardization (ISO)/International Electrotechnical Commission (IEC)
      1. ISO/IEC 11801 Generic Cabling for Customer Premises
  2. The most recent versions of all documents apply to this project. If there is a conflict between applicable documents, the order above shall dictate the order of precedence in resolving the issue unless an enforceable local or national code is in effect.

1.4 Quality Assurance

  1. Panduit Certification Plus System Warranty:
    1. A Certification Plus System Warranty shall provide a complete system warranty to guarantee end-to-end high performance cabling systems that meet application requirements. The guarantee shall include cable and connectivity components and have one point of contact for all cabling system issues. The system shall be warranted for a period of at least 15 years.
  2. Panduit PCI Contractor Agreement:
    1. A factory registered Panduit PCI contractor shall complete network installation. The contractor shall have completed standards based product and installation training. A copy of the PCI Contractor Registration shall be submitted in the proposal.
  3. Product Guarantee:
    1. All Panduit PAN-NET non-consumable products have a 20-year guarantee. When installed per TIA or ISO/IEC standards, the Panduit PAN-NET Network Cabling System will operate the application(s) for which the system was designed to support. Applications may include, but are not limited to:
      1. 10/100/1000 Mbps Ethernet (IEEE 802.3)
      2. 4/16 Mbps Token Ring (IEEE 802.5)
      3. 155, 622, 1.25 Gbps ATM
      4. SONET e. FDDI/CDDI
      5. IBM System 3x-AS/400
      6. Appletalk
      7. ISDN
  4. In order to qualify for the guarantee, the structured cabling system must be installed per the following:
    1. Meet all TIA/EIA commercial building wiring standards.
    2. Panduit categorized product must be used in conjunction with an equivalent or higher Category UL or ETL verified cable.
    3. Panduit Products must be installed per Panduit instruction sheets.
    4. Note: All Networks shall be installed per applicable standards and manufacturer's guidelines.
    5. If any Panduit PAN-NET product fails to perform as stated above, Panduit will provide new components at no charge.
    6. This guarantee is made in lieu of and excludes all other warranties, expressed or implied. The implied warranties of merchantability and fitness for a particular use are specifically excluded. Neither seller nor manufacturer shall be liable for any other injury, loss or damage, whether direct or consequential arising out of the use of, or the inability to use, the product. Before using, user shall determine the suitability of the product for its intended use, and user assumes all risk and liability whatsoever in connection therewith. The foregoing may not be altered except by an agreement signed by officers of seller and manufacturer.

1.5 Approved Products

  1. Approved Category 6 cable termination hardware manufacturer: Panduit
  2. Approved category 6 UTP cable manufacturer: Panduit, General Cable
  3. Approved optical fiber cable manufacturer: Corning, Panduit

Part 2 - Products

2.1 Equivalent Products

  1. Panduit shall manufacture all products, including but not limited to Data Communications Horizontal Cabling. There will be no substitutions allowed that interfere with a Panduit certified end-to-end 25 year warranty. General Cable GenSPEED 6000 Category 6 Cabling may be used as a cost effective substitute but must be presented to Caltech as an optional pricing and costing report.
  2. The horizontal cabling system is the portion of the telecommunications cabling system that extends from the work area telecommunications outlet/connector to the horizontal cross-connect in the TC.
    1. Horizontal cabling in an office shall terminate in a TC located on the same floor as the work area being served.
    2. Horizontal cabling is installed in a star topology (home run).
    3. Bridged taps and splices are not permitted as part of the copper horizontal cabling

2.2 Copper UTP Cable

  1. Caltech Campus design shall address:
    1. Cable shall consist of four pair 100 ohm 24 AWG, UTP, Plenum - minimum certification of Category 6.
    2. Maximum cable length is 85 meters.
  2. Caltech Campus design guidelines:
    1. Dorm Rooms
      1. 1 data cable/port per pillow and 1 voice cable/port per room.
    2. DVR/Security Systems/BMS/EMS
      1. 2 data cable/ports per faceplate.
    3. Kiosks/Display Devices/Networked Televisions
      1. 2 data cable/ports per faceplate.
    4. Time Clocks
      1. 1 data cable/port per faceplate.
    5. Wall Phones
      1. 1 data cable/port per faceplate.
    6. Wireless access points
      1. 1 data cable/port per wireless access point.
    7. Workstation - data only
      1. A minimum of 2 data cables/ports per faceplate.
    8. Workstation with Phone - data and voice
      1. A minimum of 2 data cables/port and 1 voice cable/port per faceplate.
  3. All cable shall meet or exceed the following specifications:
    1. The Panduit TX Copper Cable or equivalent shall be used for the horizontal cabling subsystem. These requirements are for cables of unshielded 24 AWG bare copper conductors, insulated with thermoplastic, twisted into pairs and enclosed in a thermoplastic jacket. The finished cable shall meet or exceed the following requirements of ANSI/TIA-568-C.2:
      1. The cable manufacturer shall be ISO 9001 registered.
      2. All cable shall conform to the requirements for communications circuits defined by the National Electrical Code (Article 800) and the Canadian Building Code. Cable listed to NEC Article 800-51(a) will be used for “Plenum” installations and carry labeling of CMP. Cable listed to NEC Article 800-51(b) shall be installed in vertical runs penetrating more than one floor and carry the labeling of CMR.
      3. As a minimum, every Master Reel shall be tested for Attenuation, Pair to Pair and Power Sum Crosstalk, Impedance, and RL. Testing shall be performed using a sweep test method and include frequencies from .772 MHz to 100 MHz. All testing shall be done in accordance with ASTM D 4566.
      4. A test report is provided indicating the Master reel number, the date of the test, and test results for RL, Attenuation, Crosstalk. Power Sum may be listed as Pass/Fail. Characteristic impedance shall be shown for each pair.
      5. These specifications are for cable that will meet or exceed the requirements of ANSI/TIA/EIA Category 6 Cabling.
      6. A test report is provided indicating the Master reel number, the date of the test, and test results for RL, Attenuation, Crosstalk. Power Sum may be listed as Pass/Fail. Characteristic impedance shall be shown for each pair.
      7. Cabling currently in use at Caltech
        Manufacturer Part Number Type Category Colors
        General 7131788 Plenum 6A 4
        General 7131723 Plenum Enhanced 6 4
        General 7131762/7131695/7131697 Plenum 6 4
        General 7136100 OSP 6 4
        Panduit PSR6004YL-UGY Riser 6A 4
        Panduit PSP6004YL-UGY Plenum 6A 4
        Panduit PUR6504YL-U Riser Enhanced 6 4
        Panduit PUP6504YL-U Plenum Enhanced 6 4
        Panduit PUR6004YL-U Riser 6 4
        Panduit PUP6004YL-U Plenum 6 4

2.3 Fiber Optic Cable

  1. When using optical fiber cables, any length of horizontal cables, work area cables, patch cords, and equipment cables is acceptable so long as the total of the combined lengths does not exceed 100m (328 ft). When installing perANSI/TIA/EIA-568-C.0, the maximum cable length may not exceed 300m (984 ft.).
  2. Refer to 271323 Section 2.4 for strand count requirements.
  3. Transmission is typically at 850 or 1300nm for 50/125μm multimode optical fiber.
  4. ANSI/TIA/EIA-568-B.3 Horizontal fiber cable distribution systems:
    1. The optical fiber cable shall consist of a minimum of two 50/125μm optical fibers enclosed by a protective sheath.
    2. The cable will be capable of supporting applications using a bandwidth in excess of 10 GHz over the 85 m specified for horizontal cabling.
    3. The optical fiber shall be multimode, graded-index with a nominal 50/125μm core/cladding diameter.
    4. The mechanical and environmental specification for the optical fiber cable will be in accordance with ANSI/ICEA-S-83-596.
  5. 62.5/125μm Optical Fiber: Not used in this project
  6. 50/125μm Optical Fiber:
    Wavelength
    (nm)
    Maximum
    Attenuation (dB/km)
    Minimum Information
    Transmission Capacity (MHz km)
    Preferred Information
    Transmission Capacity (MHz km)
    850 3.5 2000 4700
    1310 1.0 500 500
    1. Minimum 2 fibers, tight buffer style cable.
    2. Optional 4-6 fibers per horizontal tight buffer cable.

Part 3 - Execution

3.1 Horizontal Distribution Cable Installation

  1. Cable shall be installed in accordance with manufacturer’s recommendations and best industry practices.
  2. A pull cord (nylon; 1/8" minimum) shall be co-installed with all cable installed in any conduit.
  3. Cable raceways shall not be filled greater than the TIA/EIA-569-C maximum fill for the particular raceway type or 40%.
  4. Cables shall be installed in continuous lengths from origin to destination (no splices) except for transition points, or consolidation points.
  5. Where transition points, or consolidation points are allowed, they shall be located in accessible locations and housed in an enclosure intended and suitable for the purpose.
  6. The cable’s minimum bend radius and maximum pulling tension shall not be exceeded.
  7. If a J-hook or trapeze system is used to support cable bundles all horizontal cables shall be supported at a maximum of 48 to 60 inch (1.2 to 1.5 meter) intervals. At no point shall cable(s) rest on acoustic ceiling grids or panels.
  8. Horizontal distribution cables shall be bundled in groups of no more than 50 cables. Cable bundle quantities in excess of 50 cables may cause deformation of the bottom cables within the bundle and degrade cable performance.
  9. Cable 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.
  10. Cables shall not be attached to ceiling grid or lighting fixture wires. Where support for horizontal cable is required, the contractor shall install appropriate carriers to support the cabling.
  11. 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 Owner.
  12. Cables shall be identified by a self-adhesive label in accordance with the System Documentation Section of this specification and ANSI/TIA/EIA-606. The cable label shall be applied to the cable behind the faceplate on a section of cable that can be accessed by removing the cover plate.
  13. Unshielded twisted pair cable shall be installed so that there are no bends smaller than four times the cable outside diameter at any point in the run and at the termination field.
  14. Pulling tension on 4-pair UTP cables shall not exceed 25-lbf for a four-pair UTP cable.

3.2 Horizontal Cross Connect Installation

  1. Cables shall be dressed and terminated in accordance with the recommendations made in the ANSI/TIA/EIA-568-C.0, ANSI/TIA/EIA-568-C.1 & ANSI/TIA/EIA-568-C2 standards, manufacturer's recommendations and best industry practices.
  2. Pair untwist at the termination shall not exceed 3.18 mm (0.125 inch).
  3. Bend radius of the cable in the termination area shall not exceed 4 times the outside diameter of the cable.
  4. Cables shall 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.
  5. The cable jacket shall be maintained as close as possible to the termination point.
  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 the bundle, where the label is obscured from view shall not be acceptable.

3.3 Optical Fiber Termination Hardware

  1. Fiber slack shall be neatly coiled within the fiber splice tray or enclosure. No slack loops shall be allowed external to the fiber panel.
  2. Each cable shall be individually attached to the respective fiber enclosure by mechanical means. The cables strength member shall be securely attached the cable strain relief bracket in the enclosure.
  3. Each fiber bundle shall be stripped upon entering the splice tray and the individual fibers routed in the splice tray.
  4. Each cable shall be clearly labeled at the entrance to the splice enclosure. Cables labeled within the bundle shall not be acceptable.
  5. A maximum of 24 strands of fiber shall be spliced in each tray.
  6. If spare strands are pulled, all spare strands shall be installed into spare splice trays. Note: All pulled fiber is to be terminated and tested.

3.4 Copper Termination Hardware

  1. Cables shall be dressed and terminated in accordance with the recommendations made in the ANSI/TIA/EIA-568-C.0 standard, manufacturer's recommendations and best industry practice.
  2. Pair untwist at the termination shall not exceed 3.18mm (0.125 inch).
  3. Bend radius of the cable in the termination area shall not exceed 4 times the outside diameter of the cable.
  4. Cables shall 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.
  5. The cable jacket shall be maintained to within 25 mm (one inch) of the termination point.
  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 the bundle, where the label is obscured from view shall not be acceptable.

3.5 Testing and Acceptance

  1. General
    1. All cables and termination hardware shall be 100% tested for defects in installation and to verify cabling system performance under installed conditions according to the requirements ofANSI/TIA/EIA-568-C.0 & ANSI/TIA/EIA-568-C2. All pairs of each installed cable shall be verified prior to system acceptance. Any defect in the cabling system installation including but not limited to cable, connectors, feed through couplers, patch panels, and connector blocks shall be repaired or replaced in order to ensure 100% usable conductors in all cables installed.
    2. All cables shall be tested in accordance with this document, the ANSI/TIA/EIA standards, the Panduit Certification Plus System Warranty guidelines and best industry practice. If any of these are in conflict, the Contractor shall bring any discrepancies to the attention of the project team for clarification and resolution.
  2. Copper Channel Testing:
    1. All twisted-pair copper cable links shall be tested for continuity, pair reversals, shorts, opens and performance as indicated below. Additional testing is required to verify Category performance. Horizontal cabling shall be tested using a level IIIe or level IV test unit for Category 6 performance compliance.
    2. Continuity - Each pair of each installed cable shall be tested using a test unit that shows opens, shorts, polarity and pair-reversals, crossed pairs and split pairs. Shielded/screened cables shall be tested with a device that verifies shield continuity in addition to the above stated tests. The test shall be recorded as pass/fail as indicated by the test unit in accordance with the manufacturers’ recommended procedures, and referenced to the appropriate cable identification number and circuit or pair number. Any faults in the wiring shall be corrected and the cable re-tested prior to final acceptance.
    3. Length - Each installed cable link shall be tested for installed length using a TDR type device. The cables shall be tested from patch panel to patch panel, block to block, patch panel to outlet or block to outlet as appropriate. The cable length shall not exceed 85 meters as specified in this document, superceding the maximum distances set forth in the ANSI/TIA/EIA-568-C.0 & ANSI/TIA/EIA-568-C2 Standards. Cable lengths shall be recorded, referencing the cable identification number and circuit or pair number. For multi-pair cables, the shortest pair length shall be recorded as the length for the cable.
    4. Category 6 Performance:
      1. Follow the Standards requirements established in ANSI/TIA/EIA-568-C.2
      2. A level III test unit is required to verify category 6 performances including:
        1. Wire map
        2. Resistance
        3. Characteristic impedance
        4. Length
        5. Propagation delay
        6. Delay skew
        7. Insertion loss (attenuation)
        8. NEXT (near-end crosstalk) and NEXT at the smart remote
        9. PSNEXT (Power sum near-end crosstalk loss)
        10. Return loss
        11. ACR-N (attenuation to crosstalk ratio at the near end) and ACR-N at the smart remote
        12. PS ACR-N (power-sum attenuation to crosstalk ratio) and PS ACR-N at the smart remote
        13. ACR-F (equal level far-end crosstalk)
        14. PS ACR-F (power-sum equal level far-end crosstalk)
  3. Fiber Testing
    1. All fiber testing shall be performed on all fibers in the completed end-to-end system. There shall be no splices unless clearly defined in an RFP. Testing shall consist of an end-to-end power meter test performed per TIA/EIA-526-14-B. The system loss measurements shall be provided at 850 and/or 1300 nanometers for multimode fibers and 1310 and/or 1550 nanometers for single mode fibers. These tests also include continuity checking of each fiber.
    2. For horizontal cabling system using multimode optical fiber, attenuation shall be measured in one direction at either 850 nanometer (nm) or 1300 nm using an LED light source and power meter.
    3. Backbone multimode fiber cabling shall be tested at both 850 nm and 1300 nm (or 1310 and 1550 nm for singlemode) in one direction.
    4. Test set-up and performance shall be conducted in accordance with ANSI/TIA/EIA-526-14-B,Method B.
    5. Where links are combined to complete a circuit between devices, the Contractor shall test each link from end to end to ensure the performance of the system. ONLY BASIC LINK TEST IS REQUIRED. The contractor can optionally install patch cords to complete the circuit and then test the entire channel. The test method shall be the same used for the test described above. The values for calculating loss shall be those defined in the ANSI/TIA/EIA Standard.
    6. Attenuation testing shall be performed with a stable launch condition using two-meter jumpers to attach the test equipment to the cable plant. The light source shall be left in place after calibration and the power meter moved to the far end to take measurements.

3.6 System Documentation

  1. Upon completion of the installation, the telecommunications contractor shall provide three (3) full documentation sets to the Engineer for approval. Documentation shall include the items detailed in the sub-sections below.
  2. Documentation shall be submitted within ten (10) working days of the completion of each testing phase. This is inclusive of all test results and draft as-built drawings. Draft drawings may include annotations done by hand. Machine generated (final) copies of all drawings shall be submitted within 30 working days of the completion of each testing phase. At the request of the Engineer, the telecommunications contractor shall provide copies of the original test results.
  3. The Engineer may request that a 10% random field re-test be conducted on the cable system, at no additional cost, to verify documented findings. Tests shall be a repeat of those defined above. If findings contradict the documentation submitted by the telecommunications contractor, additional testing can be requested to the extent determined necessary by the Engineer, including a 100% re-test. This re-test shall be at no additional cost to the Owner.
  4. Test Results documentation shall be provided on disk/CD/digital format within three weeks after the completion of the project. The disk shall be clearly marked on the outside front cover with the words “Project Test Documentation”, the project name, and the date of completion (month and year). The results shall include a record of test frequencies, cable type, conductor pair and cable (or outlet) I.D., measurement direction, reference setup, and crew member name(s). The test equipment name, manufacturer, model number, serial number, software version and last calibration date will also be provided at the end of the document. Unless the manufacturer specifies a more frequent calibration cycle, an annual calibration cycle is anticipated on all test equipment used for this installation. The test document shall detail the test method used and the specific settings of the equipment during the test as well as the software version being used in the field test equipment.
  5. The field test equipment shall meet the requirements of ANSI/TIA/EIA-568-C.0, ANSI/TIA/EIA-568-C.1, ANSI/TIA/EIA-568-C.2 including applicable TSB’s and amendments. The appropriate level III tester shall be used to verify Category 6 cabling systems.
  6. Printouts generated for each cable by the wire (or fiber) test instrument shall be submitted as part of the documentation package. Alternately, the telecommunications contractor may furnish this information in electronic form (compact disc). These discs shall contain the electronic equivalent of the test results as defined by the bid specification and be of a format readable from Microsoft Word or Microsoft Excel. The reporting of results in this format is not a substitute for native formatted test results.
  7. When repairs and re-tests are performed, the problem found and corrective action taken shall be noted, and both the failed and passed test data shall be documented.
  8. The As-Built drawings are to include cable routes and outlet locations. Their sequential number as defined elsewhere in this document shall identify outlet locations. Numbering, icons, and drawing conventions used shall be consistent throughout all documentation provided. The Owner will provide floor plans in paper and electronic (DWG, AutoCAD rel. 2004) formats on which as-built construction information can be added. These documents will be modified accordingly by the telecommunications contractor to denote as-built information as defined above and returned to the Owner. Numbering, icons, pathways and other drawing conventions are to be assigned their own individual AutoCAD layer.
  9. The Contractors shall annotate the base drawings and return a hard copy (same plot size as originals) and electronic (AutoCAD rel. 2004 or as agreed to by Caltech).

End Section

Version 20130214.1630