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Home My WebLink About27 13 00 - Backbone CablingARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 1 OF 26 NOVEMBER 2. 2012 SECTION 27 13 00 BACKBONE CABLING 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. 1.2 SCOPE A. Backbone cabling includes copper and optical fiber cabling between the Main Telecommunications Room (MTR) and subsequent Intermediate Telecommunications rooms (ITR’s). B. This section includes minimum requirements for the following: 1. Inside Plant (ISP) a) Optical Fiber Cable b) Innerducts c) Split Innerducts d) Optical Fiber Connectors e) Optical fiber splices f) Shielded UTP Copper Cable g) Clamps h) Bonding Braid i) Shield Bond Connectors j) Splicing Modules k) Splicing Tapes 1.3 QUALITY ASSURANCE A. All cable 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 Owner's Representative. Equipment and materials shall be of the quality and manufacture indicated. The equipment specified is based upon the ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 2 OF 26 NOVEMBER 2. 2012 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/TIA – 569-B 3. NFPA 70 - 2002 4. BICSI Telecommunications Distribution Methods Manual, current edition 5. FCC 47 CFR 68 6. NEMA - 250 7. NEC - Articles 725,760, 770 and 800 8. IEEE C2 National Electrical Safety Code (2002) 9. ISO/IEC 11801 10. ANSI/TIA/EIA 607 11. ANSI/TIA/EIA 606-A (2002 or newer) 12. ANSI/NECA/BICSI 568 (2006 edition) C. The optical fiber cable plant shall be used to support Gigabit and 10- Gaigbit Ethernet networks. D. 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. 1.4 SUBMITTALS A. Manufacturers catalog sheets, specifications and installation instructions for all cable, connecting hardware and patch cables. B. Termination details for all cable types. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 3 OF 26 NOVEMBER 2. 2012 C. List of three (3) installations of equivalent or larger systems that have been installed within the past two (2) years and have been operating satisfactorily for a minimum of one year. (Include names and phone numbers of references). D. Cable Test Reports (at substantial completion). E. Cable tension reports for optical fiber pulls backbone pulls over 200’and any optical fiber installed in existing underground/under slab conduits, per drawings T1-PL and T1-FL. F. Also refer to Refer to Section 01 33 00 – Submittal Procedures. PART 2- PRODUCTS 2.1 INTERIOR GRADE OPTICAL FIBER CABLE FOR BUILDING BACKBONES A. Cable shall be riser rated and meet the requirements Flame Test: UL 910 (NFPA 262-1994) B. Fiber Characteristics 1. All fibers in the cable must be usable fibers and meet required specifications. 2. All optical fibers shall be sufficiently free of surface imperfections and inclusions to meet the optical, mechanical, and environmental requirements of this specification. 3. Each optical fiber shall consist of a doped silica core surrounded by a concentric glass cladding. The fiber shall be a matched clad design. 4. All optical fibers shall be proof tested by the fiber manufacturer at a minimum of 100 kpsi. 5. The fiber shall be coated with a dual layer acrylate protective coating. The coating shall be in physical contact with the cladding surface. 6. The coated fiber shall have a layer of Teflon placed between the dual layer acrylate coating of the optical fiber and the thermoplastic buffer. The diameter of the thermoplastic buffer coating shall be 900 ± 50 µm. 7. The fiber coating and buffer shall be removable with commercially available stripping tools in a single pass. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 4 OF 26 NOVEMBER 2. 2012 C. The multimode fiber utilized in the cable specified herein shall meet EIA/TIA-492AAAA-1989, "Detail Specification for 62.5 µm Core Diameter/125 µm Cladding Diameter Class Ia Multimode, Graded Index Optical Waveguide Fibers." 1. Core diameter: 62.5 ± 3.0 µm. 2. Cladding diameter: 125.0 ± 2.0 µm. 3. Core-to-Cladding Offset: 3.0 µm. 4. Cladding non-circularity: 2.0 %. 5. Core non-circularity: 6.0 %. 6. Coating Diameter: 245 ± 10 µm 7. Graded index 8. Numerical Aperture: 0.275 ± 0.015. 9. Attenuation Uniformity: There shall be no point discontinuities greater than 0.2 dB at either 850 nm or 1300 nm. D. The non-dispersion shifted single-mode fiber utilized in the cable specified herein shall conform to the following specifications: 1. Typical Core Diameter: 8.3 µm. 2. Cladding Diameter: 125.0 ± 1.0 µm. 3. Core-to-Cladding Offset: 0.6 µm. 4. Cladding Non-Circularity: 1.0%. 5. Coating Diameter: 245 ± 10 µm. 6. Attenuation Uniformity- No point discontinuity greater than 0.1 dB at either 1310 nm or 1550 nm. 7. Attenuation at the Water Peak- The attenuation at 1383 ± 3 nm shall not exceed 2.1 dB/km. 8. Cutoff Wavelength- The cabled fiber cutoff wavelength shall be < 1260 nm. 9. Mode Field Diameter: 9.30 ± 0.50 µm at 1310 nm ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 5 OF 26 NOVEMBER 2. 2012 10. ± 1.00 µm at 1550 nm 11. Zero Dispersion Wavelength (o)- 1301.5 nm o 1321.5 nm. 12. Zero Dispersion Slope (So)- 0.092 ps/(nm²•km). 13. Fiber Curl: > 4.0 m radius of curvature. E. Fiber Parameters 1. (Multimode only) The minimum normalized bandwidth of multimode optical fibers shall be 200z km at 850 nm and 500 MHz km at 1300 nm. 2. (Single-mode) The maximum dispersion shall be 3.2 ps/(nm km) from 1285 nm to 1330 nm and shall be < 18 ps/(nm km) at 1550 nm. 3. All fibers in the cable shall meet the requirements of this specification. 4. The attenuation specification shall be a maximum attenuation for each fiber at 23 ± 5°C. 5. The attenuation of the cabled fiber shall be uniformly distributed throughout its length such that there are no discontinuities greater than 0.1 dB at 1310 nm/1550 nm (single-mode) or 0.2 dB at 850 nm/1300 nm (multimode) in any one kilometer length of fiber. F. Physical Characteristics 1. Riser and Plenum Cables up to 24 Fibers: a) The fibers may be stranded around a dielectric central member and surrounded by layered aramid yarns. The aramid yarns shall serve as the tensile strength member of the cable. b) A ripcord shall be applied between the aramid yarns and the outer jacket to facilitate jacket removal. c) The outer jacket shall be extruded over the aramid yarns for physical and environmental protection. 2. Riser and Plenum Cables with 24 to 72 Fibers: a) The buffered fibers shall be grouped in six fiber subunits. In each subunit, the individual fibers shall be stranded around a ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 6 OF 26 NOVEMBER 2. 2012 dielectric central member and surrounded by layered aramid yarns. b) A ripcord shall be incorporated in the subunit design to facilitate access to the individual fibers. c) The subunit jacket shall be extruded over the aramid yarns for additional physical and environmental protection. d) The subunits shall be stranded around a dielectric central member. e) A ripcord shall be inserted beneath the outer jacket to facilitate jacket removal. f) The outer jacket shall be extruded around the units for physical and environmental protection. 3. Strength Members: a) The strength member shall be a high modulus aramid yarn. b) The aramid yarns shall be helically stranded around the buffered fibers. c) Non-toxic, non-irritant talc shall be applied to the yarn to allow the yarns to be easily separated from the fibers and the jacket. 4. Cable Jacket: a) The jacket shall be continuous, free from pinholes, splits, blisters, or other imperfections. b) The jacket shall have a consistent, uniform thickness; jackets extruded under high pressure are not acceptable. c) The jacket shall be smooth, as is consistent with the best commercial practice. 5. The jacket shall provide the cable with a tough, flexible, protective coating, able to withstand the stresses expected in normal installation and service. 6. The cable and subunit jacket color shall be orange for cables containing multimode fibers. The cable and subunit jacket color shall be yellow for cables containing single-mode fibers. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 7 OF 26 NOVEMBER 2. 2012 7. For cables with more than two fibers, the cable jacket shall be designed for easy removal without damage to the optical fibers by incorporating a ripcord under each cable jacket. Non-toxic, non- irritant talc shall be applied to the aramid yarns to allow the yarns to be easily separated from the fibers and the jacket. 8. The nominal thickness of the cable outer jacket shall be sufficient to provide adequate cable protection while meeting the mechanical, flammability, and environmental test requirements of this document over the life of the cable. 9. The cable shall be all-dielectric. G. Identification 1. The individual fibers shall be color coded for identification. The optical fiber color coding shall be in accordance with ANSI/TIA-598, "Color Coding of Fiber Optic Cables." The coloring material shall be stable over the temperature range of the cable, shall not be susceptible to migration, and shall not affect the transmission characteristics of the optical fibers. Color coded buffered fibers shall not adhere to one another. When fibers are grouped into individual units, each unit shall be numbered on the unit jacket for identification. The number shall be repeated at regular intervals. 2. The outer cable jacket shall be marked with the manufacturer's name or file number, date of manufacture, fiber type, flame rating, listing mark, and sequential length markings every two feet. The marking shall be in contrasting color to the cable jacket. H. Additional Requirements 1. The storage temperature range for the cable on the original shipping reel shall be -40°C to +70°C. The installation/operating temperature range for plenum cables shall be 0°C to +70°C. Testing shall be in accordance with FOTP-3. 2. Crush Resistance - The cable shall withstand a minimum compressive load of 89 N/cm (50 lbf/in) applied uniformly over the length of the compression plate. The cable shall be tested in accordance with FOTP-41, "Compressive Loading Resistance of Fiber Optic Cables." While under compressive load, the fibers shall not experience an attenuation change greater than 0.4 dB at 1550 nm (single-mode) or greater than 0.6 dB at 1300 nm (multimode). After the compressive load is removed, the fibers shall not experience an attenuation change greater than 0.2 dB at 1550 nm (single-mode) or greater than 0.4 dB at 1300 nm (multimode). ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 8 OF 26 NOVEMBER 2. 2012 3. Impact Resistance - The cable shall withstand a minimum of 20 impact cycles. The cable shall be tested in accordance with FOTP- 25, "Repeated Impact Testing of Fiber Optic Cables and Cable Assemblies." The fibers shall not experience an attenuation change greater than 0.2 dB at 1550 nm (single-mode) or greater than 0.4 dB at 1300 nm (multimode). 4. Cyclic Flexing - The cable shall withstand 25 mechanical flexing cycles at a rate of 30 ± 1 cycles per minute. The cable shall be tested in accordance with FOTP-104, "Fiber Optic Cable Cyclic Flexing Test." The fibers shall not experience an attenuation change greater than 0.2 dB at 1550 nm (single-mode) or greater than 0.4 dB at 1300 nm (multimode). 5. Flammability - All cables shall comply with the requirements of the National Electrical Code (NEC ), Article 770. Plenum cables (OFNP) shall pass UL-910. 6. Design Make: Corning Cable Systems, MIC Riser Cable Series, OFNR rated (or plenum if required by field conditions), standard or hybrid make-up with 62.5/125 multimode and single mode as called for on the T1-FL logical riser drawings, per below. Contractor shall confirm these part number as correct and fully compliant to meeting the requirements of the contract documents before ordering. 7. Corning MIC DX (non metallic armored) (orange jacket) Fiber with similar characteristics may be used instead of MIC riser rated cable and innerduct. 8. Indoor, OFNR Rated 12SM/6MM – Part # 018X81-331XX-24 9. Indoor, OFNR Rated 6SM - Part # 006E81-31131-24 2.2 INNER DUCT A. Shall be constructed of a PVC Riser rated or plenum rated plastic as required. B. For riser installations, shall meet NEC 770-53 requirements. C. Shall be .75 ”, 1" or 1.25" in diameter as called for on the drawings or as directed by Owner. D. Shall be white or orange in color. E. Shall have a maximum flame rating of UL 910. F. Not required if MIC DX non metallic armored fiber optic cable is used. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 9 OF 26 NOVEMBER 2. 2012 G. Design Make: Carlon DF4X1C (with pull rope) H. Acceptable Manufacturers: 1. Endot 2. Dura-Line 3. Arnco 2.3 OPTICAL FIBER CABLE CONNECTORS A. Backbone optical fiber connectors shall be duplex 568SC type. B. The terminations shall comply with the following standards: 1. TIA/EIA-604-3 Fiber Optic Connector Intermateability Standard, FOCIS-3 (Type SC) 2. EIA/TIA-4750000B Generic Specifications for Fiber Optic Connectors 3. EIA/TIA-455-A Standard Test Procedures for Optical Fibers, Cables, Transducers, Sensors, Connecting and Terminating Devices, and Other Fiber Optic Components (FOTPs) C. Connector Characteristics. 1. Strain relief: The connector shall provide a strain relief mechanism for installation on a single fiber cable that contains strength elements. The fiber within the body of the connector shall be isolated mechanically from cable tension, bending and twisting. 2. The connector shall have an optical axial pull strength of 2.2 N at 0 degree angle and an optical off axial pull strength of 2.2 N at a 90 degree angle, with a maximum 0.5 dB increase in attenuation for both tests when tested in accordance with ANSI/EIA/TIA-455-6B. 3. The maximum optical attenuation per each mated field installed 568SC connector pair shall not exceed 0.5 dB. 4. Shall have a return loss greater than or equal to 20 dB for multimode fiber and greater than or equal to 26 dB for single mode fiber. D. The connectors shall sustain a minimum of 500 mating cycles without degrading this performance. E. Intermateability: The connector shall be designed in compliance with the appropriate TIA FOCIS document. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 10 OF 26 NOVEMBER 2. 2012 F. Installation rate: The connector shall be installable on 900 µm buffered fiber in 1 minute or less total time. G. Installation polishing: The connector shall not require polishing of the endface in the field. Connectors shall have a factory-polished fiber stub in the connector ferrule. H. Installation type: The connector installation shall not require the use of epoxies. I. Fiber protection: The connector crimp-on mechanism shall protect the bare fiber from the ingress of air or waterborne contaminants and shall secure the fiber in the ferrule micro-hole. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 11 OF 26 NOVEMBER 2. 2012 J. Performance Requirements. Multimode Testing Max delta change Final Measurement FOTP-171 METHOD B1 METHOD B1 REQ.: <.75dB N/A 0.11 dB TYP 0.19 dB MAX FOTP 107 RETURN LOSS REQ.: <-20dB N/A -42.5 dB TYP -36.3 dB MIN FOTP-2 IMPACT 8 DROPS/ 1.5 M N/A 0.14 dB IL -41.3 dB RL FOTP-1 FLEX 0.5 KG N/A 0.18 dB IL -41.3 dB RL FOTP-36 TWIST 15 N AT 0 º N/A 0.20 dB IL -41.2 dB RL FOTP-6 CABLE RETENTION 66 N AT 0 º 0.06 dB 0.20 dB IL -41.2 dB RL FOTP-6 CABLE RETENTION 19.4 N AT 90 º 0.06 dB 0.19 dB IL -41.2 dB RL FOTP-185 COUPLING MECH 33 N AT 0 º N/A 0.13 dB IL -41.5 dB RL FOTP-21 DURABILITY 500 CYCLES N/A dB IL -36.3 dB RL FOTP-4 TEMP LIFE 60ºC/ 14 DAYS 0.01 dB 0.08 dB IL -39.0 dB RL FOTP-5 HUMIDITY 4 DAYS @ 95% 0.15 dB .09 dB IL -38.9 dB RL FOTP-188 LOW TEMP. -10 ºC/4 DAYS 0.22 dB 0.13 dB IL -42.3 dB RL ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 12 OF 26 NOVEMBER 2. 2012 Single Mode Testing Max delta change Final Measurement FOTP-171 METHOD B1 INSERTION LOSS N/A dB TYP 0.52 dB MAX FOTP 107 RETURN LOSS N/A -44.4 dB TYP -36.2 dB MIN FOTP-2 IMPACT 8 DROPS/ 1.5 M N/A dB IL -40.6 dB RL FOTP-1 FLEX 0.5 KG N/A 0.40 dB IL -40.1 dB RL FOTP-36 TWIST 15 N AT 0 º N/A 0.37 dB IL -40.2 dB RL FOTP-6 CABLE RETENTION 66 N AT 90 º 0.20 dB 0.39 dB IL -42.3 dB RL FOTP-6 CABLE RETENTION 19.4 N AT 90 º 0.11 dB 0.34 dB IL -43.2 dB RL FOTP-185 COUPLING MECH 33 N AT 0 º N/A 0.37 dB IL -45.0 dB RL FOTP-21 DURA- BILITY 500 CYCLES N/A 0.35 dB IL -40.5 dB RL FOTP-4 TEMP LIFE 60ºC/ 14 DAYS 0.24 dB 0.29 dB IL -44.2 dB RL FOTP-5 HUMIDITY 4 DAYS @95% 0.10 dB 0.30 dB IL -43.9 dB RL FOTP-188 LOW TEMP. -10 ºC 0.18 dB 0.29 dB IL -44.1 dB RL K. Design Makes: 1. Multi-Mode, SC, Ceramic Tip, CamLite UniCamSeries Corning Cable Systems - # 95-000-41 2. Single-Mode, SC, Ceramic Tip, CamLite UniCam Series Corning Cable Systems - # 95-200-41 2.4 OPTICAL FIBER SPLICES A. Splices are not allowed, unless called for on the drawings to tie-in to existing backbone splice enclosures. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 13 OF 26 NOVEMBER 2. 2012 B. Should fiber be broken during installation the entire run shall be replaced. 2.5 SHIELDED UTP COPPER CABLE (BETWEEN TRS) A. Backbone copper cables shall consist of 24 AWG, groups of 25 pair thermoplastic insulated copper conductors following the ANSI/ICEA S-80- 576 color code. The 25 pair groups shall be bound together and covered by a protective sheath consisting of an overall thermoplastic jacket and one layer of dielectric material applied over the core. B. The cable shall be listed and marked for its use as required by article 800 of the current NEC code. Provide ARMM/CMR rated cable. C. Backbone cables shall be used for telephone systems only and shall be third party verified Category 3. D. Transmission Characteristics: 1. The resistance of any conductor, measured in accordance with ASTM D 4566 shall not exceed 9.38 ohms per 100m at 20 degrees C. 2. The resistance unbalance between the two conductors of any pair shall not exceed 5%. 3. The mutual capacitance of any pair shall not exceed 6.6 nF per 100m. 4. The capacitance unbalance to ground at 1 kHz of any pair shall not exceed 330 pF per 100m. 5. The characteristic impedance shall be 100 ohm +/- 15% from 1 kHz to 16 MHz. 6. The attenuation shall meet the requirements of the horizontal cable specified in section 27 15 00. 7. The insulation between each conductor and the core shield shall be capable of withstanding a minimum dc potential of 5 kV for 3 seconds. 8. The propagation delay of any pair at 10 MHz should not exceed 5.7 ns/m. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 14 OF 26 NOVEMBER 2. 2012 9. The Power Sum NEXT loss shall meet the following: Frequency (MHz) NEXT loss (dB) 0.150 53 0.772 43 1.0 41 4.0 32 8.0 27 10.0 26 16.0 23 E. Shall be of size indicated on the drawings. F. Shall consist of a core of 24 AWG solid annealed copper conductors, color coded in accordance with telephone industry standards. G. Transmission Characteristics: 1. The nominal resistance of any conductor shall not exceed 27.3 ohms per 1000 feet at 20 degrees C. 2. The mutual capacitance of any pair shall not exceed 15.7 nF per 1000 feet at 1 kHz. 3. The maximum attenuation at 1.0 MHz shall not exceed 6.8 dB per 1000 feet. 4. The characteristic impedance shall be 100 ohm +/- 15% from 1 kHz to 16 MHz. H. Conductors shall be twisted to form pairs. Cable having more that 25 pairs shall be assembled in units, each individually identified by color coded unit binders. I. The core shall be covered with a plastic tape. J. The core and tape shall be overlaid with a corrugated shield applied longitudinally with overlap using the following materials: 1. .008 inch coated aluminum 2. .005 inch copper 3. Shall be bonded to outer jacket to form an ALVYN sheath. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 15 OF 26 NOVEMBER 2. 2012 K. The outer jacket shall consist of a fire retardant sheath that meets NEC low flame requirements. L. Cable shall be suitable, listed and marked for use in a riser application. (CMR) M. Manufacturer’s cable code, pair size, manufacturing plant location, month and year or manufacture shall be marked on cable every two feet. N. Design Make: Essex xxxx024EAA (xxxx=number of pairs) size and quantity indicated on the T1-CL and T3 drawings. O. Acceptable Manufacturers: 1. General Cable 2. Norcom / CDT - Belden 3. Superior / Essex 2.6 UNSHIELDED UTP COPPER CABLE (VPP TO WALL) A. Backbone copper interconnect cables shall consist of 24 AWG, 25 pair thermoplastic insulated copper conductors following the ANSI/ICEA S-80- 576 color code. The 25 pair group shall be bound together and covered by a protective sheath consisting of an overall thermoplastic jacket and one layer of dielectric material applied over the core. B. The cable shall be listed and marked for its use as required by article 800 of the 2005 NEC. Provide CM rated cable for interconnect cables routed within a TR, generally between the wall mounted termination field(s) and the Rack mounted voice patch panels. C. Backbone cables shall be used for telephone systems only and shall be third party verified Category 3. D. Transmission Characteristics: 1. The resistance of any conductor, measured in accordance with ASTM D 4566 shall not exceed 9.38 ohms per 100m at 20 degrees C. 2. The resistance unbalance between the two conductors of any pair shall not exceed 5%. 3. The mutual capacitance of any pair shall not exceed 6.6 nF per 100m. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 16 OF 26 NOVEMBER 2. 2012 4. The capacitance unbalance to ground at 1 kHz of any pair shall not exceed 330 pF per 100m. 5. The characteristic impedance shall be 100 ohm +/- 15% from 1 kHz to 16 MHz. 6. The attenuation shall meet the requirements of the horizontal cable specified in section 27 15 00. 7. The propagation delay of any pair at 10 MHz should not exceed 5.7 ns/m. 8. The Power Sum NEXT loss shall meet the following: Frequency (MHz) NEXT loss (dB) 0.150 53 0.772 43 1.0 41 4.0 32 8.0 27 10.0 26 16.0 23 E. Shall be of size and quantity indicated on the drawings. F. Shall consist of a core of 24 AWG solid annealed copper conductors, color coded in accordance with telephone industry standards. G. Transmission Characteristics: 1. The nominal resistance of any conductor shall not exceed 27.3 ohms per 1000 feet at 20 degrees C. 2. The mutual capacitance of any pair shall not exceed 15.7 nF per 1000 feet at 1 kHz. 3. The maximum attenuation at 1.0 MHz shall not exceed 6.8 dB per 1000 feet. 4. The characteristic impedance shall be 100 ohm +/- 15% from 1 kHz to 16 MHz. H. Conductors shall be twisted to form pairs. I. Cable shall be suitable, listed and marked for general use (CM) per the NEC code. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 17 OF 26 NOVEMBER 2. 2012 J. Manufacturer’s cable code, pair size, manufacturing plant location, month and year or manufacture shall be marked on cable every two feet. K. Design Make: Mohawk -3NP25P24-GY PVC - jacketed 25-pair in size to be used for backboard to voice patch panel interconnect cabling, in quantities indicated on the T3 drawings. L. Acceptable Manufacturers: 1. General Cable 2. Norcom / CDT - Belden 3. Superior / Essex 2.7 SPLICING ENCLOSURES A. Backbone copper closures shall consist of a black solid or split PVC sleeve as indicated on the drawings. B. Minimum inside diameter shall be a minimum of 9” diameter (127mm). C. Minimum inside length shall be 26" (660mm). D. Actual sizes shall be indicated on the drawings. Otherwise, closure to be sized to accommodate the maximum number of cable pairs to be spliced and the type of connector to be used for splicing. E. Closure shall be flame retardant. F. Closure shall be re-enterable. G. When assembled with properly sized end caps, bushing, plugs and clamps, the closure shall be air and water tight. H. Design Make: 1. 3M KB Series or approved equal. 2.8 BONDING HARNESSES A. Shall be used to ground the shields of the spliced cables. B. Bonding harness shall be 14 AWG and sized according to closure. C. Adhere to all manufacturer installation guidelines. D. Design Make: ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 18 OF 26 NOVEMBER 2. 2012 1. 3M or approved equal 2.9 SPLICING MODULES A. Crimping process shall strip the installation from the wire and trim the excess wire. B. The module shall create a gas tight connection. C. All modules shall have test entry ports on the front side of the module. D. Straight splicing modules shall have a yellow cover and body top and the base and body bottom shall be dark gold. E. Pluggable/Bridge splicing modules shall have a transparent cover, the body top and bottom shall be blue and the insulator shall be red. F. Design Make: 1. Straight Splicing Modules - 3M # 4000-C 2. Pluggable/Bridge Splicing Modules – 3M # 4005-CBM/TR 3. 3M UY2 wire connectors may be used for small pair count splices, pending owner approval. 2.10 SPLICING TAPES A. Shall be all weather, Vinyl Plastic material. B. Shall resist: 1. Water 2. Acids 3. Alkalies C. Shall be flame retardant D. Shall not be affected by sunlight. E. Shall release smoothly in zero weather and will not ooze adhesive in hot climates. F. Design Make: 1. 3M Scotch 88T Series ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 19 OF 26 NOVEMBER 2. 2012 2.11 BONDING CONNECTORS A. Shall consist of a base and upper member, two securing nuts and a plastic shoe to aid connector installation and protect the conductors. B. Base and upper members shall be made of tin plated tempered brass, slightly curved so as to exert a continuous spring form on sheath and shield after clamping. C. Design Make: 1. 3M Part # 4460 – S Shield Bond Connector for cables of greater than 100 pair. 2. 3M Part # 4460 – D Shield Bond Connector for cables of less than 100 pair. 2.12 GROUNDING BRAID A. Shall be a flat tin plated copper braid conductor. B. Shall have eyelets at regular intervals. C. Eyelets shall fit shield connector studs up to 6 mm (1/4") in diameter. 2.13 2.14 EXPANDABLE CONDUIT PLUGS A. Seal all open underground and telecommunications conduits entering and existing the building and the BDF. B. For spare conduits, provide expandable conduit plugs with rope tie rings to seal spare conduits and tie off any existing pull-string or existing pull-lines. This shall include conduits for CIT cables and Verizon conduits. C. Design Make: Osburn Associates, Condux International or approved equal PART 3- EXECUTION 3.1 INSTALLATION A. OPTICAL FIBER CABLE 1. General a) Interior cable installed shall be in metallic conduit. Do not install with UTP or coax cables. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 20 OF 26 NOVEMBER 2. 2012 b) Interior cable installed in pass-through existing IDF closets, shall be protected with metallic U-Guard. Refer to drawing T1-PL and T1-FL for additional requirements. Temporary float existing backbone cable and termination blocks from plywood walls to allow order and straight installation of backbone cables and U-Guard. c) Maintain polarization for entire system as described in ANSI/EIA/TIA-568-A section 12.7.1. d) Cable shall be continuous. Splices are not allowed. 2. Cable Pulling a) Adhere to all manufacturers’ requirements regarding pulling tension, allowable lubricants and bending radius. b) Provide cable pullers designed to suit field conditions. (i.e. horizontal vault pulls, vertical pulls and 45 degree pulls) c) Use cable guides with aluminum adapters sized for the 1 ¼” cells. Provide extensions, sheaves and adapters as required by the installation conditions. d) Use directional pulling swivels as conditions require. e) Use Line Tension meter during cable pull to provide accurate measurements of the force exerted on a cable as it is installed. The meter shall have a programmable overload set point with an audible and visual indication of an overload condition. The meter shall have controls to disengage the cable puller if an overload occurs. Provide chart recorded documentation of the cable pull for the owner’s records. f) Provide cable racks in manholes to support cable. g) Provide a minimum 20 foot service loop at the BDF, TR and IDF locations. 3.2 INNER DUCTS AND SPIRAL WRAPS A. Innerduct shall be placed with entrance cable for fiber optic installations. B. Innerduct shall be provided for all interior building optical fiber cables, in a minimum of 1” diameter. Place innerduct inside EMT conduits that have been provided. Place a spare pull-line in during installation of the innerduct. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 21 OF 26 NOVEMBER 2. 2012 C. Support exposed innerduct in riser closets, TR’s, IDF’s and BDF’s on a minimum 3’ centers with 2-hole straps on plywood backboards, or supports approved by owner. D. Support exposed innerduct in riser closets, TR’s, IDF’s and BDF’s on a minimum 3’ centers with 1.5” wide hook and loop straps on ladder racks, cable runways or on or in racks and cabinets. E. Provide split innerduct or split spiral wrap on exposed cable sheaths at racks, cabinets and fiber splice bays and patch panels. Also refer to 17110 for spriral wraps. F. Provide split innerduct, larger than the outside diameter of solid innerduct used, when fiber cable is exposed in riser closets, TR’s, EF’s, IDF’s, BDF’s, pullboxes and maintenance holes. Fiber shall not be left exposed when solid innerduct is not continuous. G. Provide innerduct or split innerduct to conceal existing fiber that is called for to remain or be relocated within TR’s and BDF’s as directed by Owner. 3.3 RACK INTERCONNECT CABLES A. Review wall mount house cable block to modular patch panel interconnection termination requirement in the field with Owner, for all PVC-25 pair interconnect cables in the TR rooms, before rough-in of cables. Provide ample cable slack for proper dressing of cables at termination points. B. DO NOT mix the Category 6 cables and the PVC-25 cable in the vertical cable managers. C. Terminate ONE pair on pins 4 and 5 of each RJ-45 modular on every 48- port of the voice patch panels, as indicated on the T3 drawing. D. Terminate FOUR pairs per each RJ-45 modular on the one 24-port of the voice patch panel, as indicated on the T3 drawing. E. Review wall mount house cable block to modular patch panel interconnection termination requirement in the field with Owner, for all PVC-25 pair interconnect cables in the TR rooms -- before rough-in of backbone copper cables. Provide ample cable slack for proper dressing of cables at termination points and provide shield bond connectors at all cable sheath opening. F. PVC-25 pair cable shall be routed between the wall 110-300 termination block, onto the cable runways down to the 48-port and 24-port Category 3 RJ45 voice patch panels as called for. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 22 OF 26 NOVEMBER 2. 2012 G. Route PVC-25 cable down center void of between the two vertical cable manager installed to create a separate channel for these cables. DO NOT mix the Category 6 cables, patch cords or the PVC-25 cable in a common vertical cable manager. H. Test all terminated conductors at each RJ-45 port of each voice patch panel.. Multi-pair cables shall be replaced if they contain more than 1% bad pairs that can not be repaired via re-terminating. Use test sheet provided in 27 05 53 for backbone copper test results. Provide test results. I. Neatly wrap the unused 25 pair slack around both ends of the PVC-25 jacket and do not cut the pair short. J. Label, dress and bundle each cable with a cable number and the corresponding patch panel number/port range at both ends, in a fashion that the cable number is facing forward and readily seen and allow for the 25 pair slack wrap. K. Neatly bundle and securely fasten PVC-25 pair cable along plywood backboards on maximum 1’ centers. L. Neatly bundle and securely fasten PVC-25 pair cable along cable runways and vertical cable managers with hook-and-loop Velcro-type straps on maximum 1’ centers. 3.4 SHIELDED UTP CABLE A. UTP backbone cables shall be installed in conduit. B. Placement of underground cables shall conform to REA 644 Cable Standards. C. Cables above drywall ceilings shall be installed in conduit. Cables in exposed areas other than communications equipment rooms shall be installed in conduit or surface raceway. D. Do not install with optical fiber cable or any other cable type, unless approved in advance by Owner. E. Provide cable management as called for in section 27 11 00. F. Label termination blocks and lightning protector bases with the pair counts indicated on the T1-Series Copper Logical riser drawings. G. For 66-styleblocks, label or stencil every fifth pair of each termination block with the appropriate cable count and provide 5th pair identification lines on block or designation strips. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 23 OF 26 NOVEMBER 2. 2012 H. For 110-styleblocks, provide color code plastic designation strips/covers with the appropriate cable count indicated on every row of the block. Provide 5th pair identification lines on block or designation strips. I. The contractor shall replace the cable if damaged during installation. J. Test all riser cable pairs. Multi-pair cables shall be replaced if they contain more than 1% bad pairs that can not be repaired via re-terminating. Use test sheet provided in 27 05 53 for backbone copper test results. Provides test results K. 110-Cross connect label designation strips shall be color-coded as directed by the Owner as follows: Description Color C.O. Circuits PBX Circuits Auxiliary Circuits Yellow Wiring to Work Station White Back Bone Riser Cable Blue Tie Lines Yellow L. Review splicing and termination requirements with Owner before rough-in of backbone copper cables greater than 100 pairs. Provide ample cable slack for proper dressing of cables at termination and splicing locations. Do not cut backbone cable greater than 300 pairs before onsite approval of means and methods with Owner. M. Secure all ARMM cables to wall within 12" of all splice enclosures N. Test, label and document as per section 27 05 53. O. Backbone cables shall be installed separately from horizontal distribution cables P. A pull cord (nylon; 1/8" minimum) shall be co-installed with all backbone cables installed in a conduit. Q. All backbone cables shall be securely fastened to the sidewall of the TR on each floor. R. Backbone cables spanning more than three floors shall be securely attached at the top of the cable run with a wire mesh grip and on alternating floors or as required by local codes. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 24 OF 26 NOVEMBER 2. 2012 3.5 RISER CLOSURES A. In vault environment or other horizontally installations support splice closure or cable at both end racks or steps - Condux cable racks series #83801-00 (14 hole or longer) and Condux cable steps series #83806 (4" or longer). B. In other horizontally installations support spliced cable at both ends of splice enclosures with snug fitting 2-hole straps. C. Provide mounting kindorf type channels to secure splice enclosures to walls. D. Secure all Riser closures to wall kindorf channels with heavy duty black ty- wraps. 3.6 SPLICING A. Fold back method of splicing is required for all new splices. B. Ends of unused binder groups shall be staggered, cleared and encapsulated in HYSOL Series CK capping kits. C. Terminal counts shall be installed as per the drawings and may not be split or multiplied. D. Binder group and color code integrity shall be maintained. E. Provide striped nylon cable ties and identify binder groups on both sides of sheath opening and at all other sheath openings and at termination points. F. The quantity of bad pairs per sheath of 100 pairs or more shall not exceed 1% of the total pair count. G. Use 3M 4053 Cover Removal Tool to remove bases and covers. H. Use 3M 4053-PM Separation Tool to separate 4005-DPM modules from any other module. I. All cable pairs shall be free of electrical opens, shorts (within and between pairs), polarity reversals, transpositions, and the presence of AC voltage, from the Telecommunication Rooms to the termination hardware at the main crossconnect frame. All defects must be corrected. 3.7 SPLICING TAPES A. Tape all entries to vault and riser closures to prevent water, insects or rodents from entering splice enclosure. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 25 OF 26 NOVEMBER 2. 2012 3.8 BONDING CONNECTORS A. Install Bonding Connectors so as not to damage the conductors in the cable. 3.9 GROUNDING BRAID A. Adhere to all manufacturer installation guidelines. 3.10 GROUNDING AND BONDING A. The contractor shall provide a 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. 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/TIA/EIA-607-B Telecommunications Bonding and Grounding Standard. B. 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. All racks, metallic backboards, cable sheaths, metallic strength members, splice cases, backbone conduits, cable trays, cable runways, etc. entering or residing in the TR or ER shall be grounded by the Division 27 contractor to the respective TGB or TMGB 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 busbars shall be identified and labeled in accordance E-Series drawing details, TIA 606A and Sections 16450 and 27 05 53. E. Refer to 26 05 26, and E-Series drawings for additional requirements. F. Coordinate work with the Division 26 Electrical contractor. ARCHI-TECHNOLOGY CORNELL – NCP BACKBONE CABLING STANDARD SPECIFICATIONS 27 13 00 – PAGE 26 OF 26 NOVEMBER 2. 2012 3.11 GROUNDING SYSTEM A. The TBB shall be designed and/or approved by a qualified PE, licensed in the state that the work is to be performed. The TBB shall adhere to the recommendations of the TIA/EIA-607-B standard, and shall be installed in accordance with best industry practice. B. Installation and termination of the main bonding conductor to the building service entrance ground shall be performed by a licensed electrical contractor. C. The Division 27 contractor shall bond all cable sheaths, racks, cabinets, cable runways, backbone conduits, cable trays, etc. to the TGB provided in each TR, IDF, BDF and MDF as called for. D. Refer to 26 05 26, and E-Series drawings for additional requirements. E. Coordinate work with the Division 26 Electrical contractor. END OF SECTION