University:
University of Houston
Course:
PHYS 4356 | Particle and Nuclear Physics
Academic year:

2022
Views:

301

Pages:

10
Author:

valiarus3y6d

< #> 2.4 CABLE RUNWAY A. Subject to compliance with these specifications, cable runway is to be as manufactured by Legrand Cablofil. Cable runway (basket tray) is required within the NFs to provide a suitable pathway to route all cabling into and out of termination equipment, mounted in equipment racks or on backboards attached to walls, and pathway spaces beyond the NF. B. Ladder racks: Provide UL classified cable runway and components. Such products are to be UL classified as to its suitability as an equipment‐grounding conductor. Ladder racks and components are to have rounded edges and smooth surfaces in compliance with applicable standards, and with the following additional construction features: 1. 2. 3. 4. 5. Dimension: Make the side rail cross sectional area greater than 0.20 square inches, with a height of 1‐1/2 inches. Material and Finish: All ladder racks and components are to be made of tubular steel and finished with flat black powder coat paint or gold chem film over zinc plating. Construction: Ladder rack is a prefabricated metal structure consisting of two longitudinal side rails connected by individual transverse members. Ladder rack is to be constructed of 1‐1/2 inch x 3/8 inch x .065 inch rectangular steel tubing. Make each cross member a single, continuous, rectangular tube ½ inch x 1 foot x .065 inch with radiused corners. Weld cross members to stringers at 9‐inch intervals with ends finished to protect installers and cables. Ladder rack width is 12 inches except as otherwise shown on the Telecommunications Drawings. Space cross members every 9 inches at a minimum. C. UL Classified Rack Butt‐Splice Kit: Consists of 4 splice plates, U‐shaped. Overall, 5 inch by 5/8 inch by 11/16 inch thick. Provided with 7/16 inch by 3/8 inch cutout for insertion of trimmed head bolt. Bolt measures 3/8 inch diameter by 2‐1/2 inch long provided with hex nut and lock washer. D. UL Classified Rack Junction Splice Kit: L‐shaped splice angles. Overall, 2 inch x 2 inch by 1‐1/2 inch, 3/16 inch thick. Secured to cable runway by 3/8 inch diameter by 1‐1/2 inch hex bolts, nuts and lock washers. E. UL Classified 90 Degree Rack Splice Kit: Outside Clamp ‐ Overall, 5‐3/4 inch x ¾ inch by 5/8 inch, minimum 0.10 thick. Provided with 7/16 inch by 7/16 inch cutout for insertion of trimmed head bolt. Bolt measures 3/8 inch diameter by 3‐1/4 inch long. Provided with hex nut and lock washer. Inside Edge Clamp ‐ Overall, 2‐9/16 inch x 15/16 inch x 5/8 inch, minimum 0.10 thick. Provided with 7/16 inch x 7/16 inch cutout for insertion of trimmed head bolt. F. UL Classified 45 Degree Rack Splice Kit: Outside Clamp ‐ Overall, 4‐7/16 inch x 5/8 inch x ¾ inch, minimum 0.10 inch thick. Provided with 7/16 inch x 7/16 inch cutout for insertion of trimmed head bolt. Bolt measures 3/8 inch diameter by 2‐11/16 inch long provided with hex nut and lock washer. Inside Edge Clamp ‐ Overall, 2‐9/16 inch x 15/16 inch x 5/8 inch minimum 0.10 inch thick. Provided with 7/16 inch x 7/16 inch cutout for insertion of trimmed head bolts. AE Project #: <> Network Facility Fittings UH Master: 03.2020 27 1100 ‐ 5 < #> PART 3 ‐ EXECUTION 3.1 GENERAL A. NF 1. Do not install IT network equipment in the NFs until they are completely built, cleaned and secured with the UITNS‐approved key. 2. Interior walls: Cover interior walls floor to ceiling with fire‐rated ¾ inch plywood painted with two coats of a neutral color fire retardant paint. Leave the fire rated stamp visible. Have the Fire Marshall’s Office inspect and approve before painting. 3. Cabling within Racks and Enclosures: provide adequate length of cabling. Train conductors to termination terminal points that follow manufactures installation procedures for maintaining cable performance specifications. Provide lacing/mounting bars to restrain cables, to prevent straining connections, and to stop bending cables to smaller radii than minimums recommended by manufacturer. Equipment Racks: Provide 19‐inch wide x 7‐foot – 0‐inch tall, floor‐mounted equipment racks, installed per Technical Drawings, with number of vertical rack sections as required to allow space for termination of all fiber and data/voice cabling plus mounting space for multi‐port concentrators (Hub/Switches) required to cross‐connect all data jacks. Locate/space racks and enclosures according to EIA/TIA guidelines for front and around access. Vertical wire management: double‐sided vertical rack cabling sections. Reference Technical Drawings Entrance: Arrange and coordinate locations of distribution frames, patch panels, cross‐ connections in NFs and racks to optimize space requirements of any service provider requirements, telephone system and LAN equipment. Provide cable runway in equipment room above all racks and up to runway/conduits/sleeves entering room from corridors to form a complete runway system connecting all hardware installations. Attach grounding lugs to each rack/cable raceway, conduit, etc. Refer to Technical Drawings for details. Install trays overhead along the equipment rows, leading to the cross‐connects. Coordinate tray locations with lighting, air‐handling systems, and fire extinguishing systems so that fully loaded trays do not obstruct or impede their operation. NEC Article 392 provides requirements for cable trays. Provide horizontal cable runways. Equip each 19‐inch rack with overhead basket style cable runway installed between the wall and horizontal/equipment racks. Refer to COMMUNICATIONS Technical Drawings for proposed locations and sizing of each runway. Securely attach to wall studs with support brackets (and racks if applicable), in accordance with manufacturer written instructions. Install a grounding bar that measures 12 inches long by 2 inches wide by ¼ inch holes that accepts 2‐hole lug connectors. Connect the bar to the main building ground using #2 or greater copper wire. Provide ground lug for each 19‐inch rack. Racks shall be grounded to wall mounted ground bus bar using #6 AWG stranded, green jacketed, insulated copper conductor. Furnish all required bonding material and hardware, and bond to building grounding electrode 4. 5. 6. 7. 8. 9. 10. 11. 12. AE Project #: <> Network Facility Fittings UH Master: 03.2020 27 1100 ‐ 6 < #> 13. subsystem TMGB in ER. If crimp connectors are used to bond the #6 AWG wire, follow NEC bonding procedures/specifications. Use an inert dielectric material to separate dissimilar metals apt to corrode through electrolysis under the environmental operating conditions specified. END OF SECTION 27 1100 AE Project #: <> Network Facility Fittings UH Master: 03.2020 27 1100 ‐ 7 < #> SECTION 27 1300 – COMMUNICATIONS BACKBONE CABLING Revise this Section by deleting and inserting text to meet Project‐specific requirements. This Section uses the term "Architect" or “Engineer.” Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions. Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed. Delete hidden text after this Section has been edited for the Project. PART 1 ‐ GENERAL 1.1 RELATED DOCUMENTS A. 1.2 The Contractor's attention is specifically directed, but not limited, to the following documents for additional requirements: 1. The current version of the Uniform General Conditions for Construction Contracts, State of Texas available on the web site of the Texas Facilities Commission. 2. The University of Houston’s Supplemental General Conditions and Special Conditions for Construction. 3. The University of Houston Network Infrastructure Design Guidelines (available at https://uh.edu/infotech/services/computing/networks/network‐infra‐standards/). SUMMARY A. Section Includes: 1. Coordination with other trades and parts of the contract. 2. Submittals (Action and Informational). 3. Quality Assurance. 4. Parts and Manufacturers. 5. Installation and Testing. B. The building backbone riser system connects Network Facilities to each other, to the Main Service Entrance Room and to the Equipment Room. UH specifies separate cable systems to provide data, video and voice needs. The backbone riser system consists of plenum‐rated, multi‐pair twisted pair copper cables, coaxial, and single mode fiber cables along with associated termination systems. This section covers labor, equipment, supplies, materials and testing involved in installing, terminating and labeling copper and fiber backbone infrastructure as described on the drawings or required by these Specifications. Revise subparagraph(s) below to suit Project. 1.3 PREINSTALLATION MEETINGS A. Preconstruction Conference: Conduct conference at [Project site] . The Contractor and the Facilities Project Manager lead the meeting. The UIT Project Manager must be invited to the preinstallation meetings. AE Project #: <> Communications Backbone Cabling UH Master: 03.2020 27 1300 ‐ 1 < #> Copy subparagraph below and edit for each activity required for preconstruction conference. 1. . 1.4 COORDINATION A. New cable plant requiring connection to, or disconnection from, the University of Houston campus networks is to be performed by personnel designated by UITNS. Campus networks include telephone, local and wide area, video, cable television, and fiber optic networks. B. Contractor shall coordinate the work specified in this Section with the work in other parts of the Contract documents. C. Plans in general are diagrammatic. It is the full responsibility of the Contractor to be familiar with the location of equipment involved under the work of other trades to eliminate conflicts between the fiber and copper cable installation and the work of other trades. D. Direct all questions and issues with regard to coordination to the Owner. 1.5 SUBMITTAL ADMINISTRATIVE REQUIREMENTS A. 1.6 Follow the Submittal Administrative Requirements as stated in Section 01 3300 Submittal Procedures. For submittals to UIT, use electronic format only. ACTION SUBMITTALS A. Submit Cable Pulling Plan, as follows: 1. Indicate the installed backbone conduit layout in schematic format, including junction boxes and distances between junction boxes. 2. Indicate contents of each conduit. 3. Indicate the cable pulling calculations, conduit fill ratios and actual cable runs and tensions. 4. Cable Pulling Plan is to be reviewed, approved and stamped by the Contractor's on‐site RCDD prior to submittal. 5. Installation of cabling cannot commence before written approval of the pulling plan and calculations by UITNS. B. Submit preliminary fiber test results to the UITNS Project Manager post‐installation before being put into service to provide for correction of any non‐conformities or inconsistencies so as to avoid disruptions to the active network. 1.7 INFORMATIONAL SUBMITTALS A. Submit installation plan, and keep up‐to‐date throughout the project, indicating: 1. Equipment and personnel 2. Materials and staging area 3. Start and completion dates 4. Locations, including floor, room and building 5. Installation plan is to be reviewed, approved and stamped by the Contractor's on‐site RCDD prior to submitting. AE Project #: <> 27 1300 ‐ 2 UH Master: 03.2020 < #> B. Submit a copper cable pulling plan for all multi‐pair copper cables with a pair count of 25 pairs or greater, that includes, but is not limited to, the following: 1. Each cable run and route. 2. Date and duration of the pull. 3. Pulling methodology and equipment setups. 4. Pulling tension calculations for each pull in the run. 5. Safety issues and precautions to be taken. C. Cable Splicing Submittals 1. Fiber fusion splicing method and procedures. 2. Schedules of copper and fiber cables to be spliced. 3. Copper splicing method and procedures. 4. Certification documents for all splicing personnel. 5. Cut sheets of accurate locations of fiber and copper splice closures. D. Shop Drawing Submittals to include: 1. Room penetration plan / drawing 2. Communications extension pathway plan / drawing 3. Riser conduit anchoring plan / drawing 4. Conduit chase plan / drawing 5. Communications pathway plan / drawing 6. Junction box, gutter and pull box labeling plan / drawing 7. Cabinet / rack elevation drawing 8. Floor plan drawing for all NF rooms 9. Wall elevation drawings for all NF rooms E. Manufacturer's data, including part numbers, cut sheets and detailed descriptions, for all proposed equipment. F. Submit cable inventory data for all fiber, copper, and coaxial cabling and termination equipment. Submit data in Microsoft Excel format (current version), listing products furnished, including: 1. Manufacturer's name. 2. Manufacturer's part numbers and com code numbers. 3. Cable numbers as described in 27 0553 . 4. Location and riser assignments. 5. Installed lengths for all fibers. 6. This requirement applies to copper cable, fiber optic cable, and all termination equipment. G. Record Drawings: Furnish CAD drawings of completed work including cable numbers. Refer to item Section 27 0553 ‐ Identification for labeling conventions. Contractor's on‐site Building Industry Consulting Services International (BICSI) Registered Communications Distribution Designer (RCDD) supervisor must review, approve and stamp all shop drawings, coordination drawings and record drawings. H. As‐built Drawings: Provide CADD files in .dwg, .dgn, or .pdf formats showing floor plans with room numbers and actual backbone cabling and pathway locations and labeling. The deliverable is required within 5 business days of final cable testing. Record GPS locations of all manhole/pull boxes. I. Cable Testing Reports. 1. Submit Testing Plan prior to beginning cable testing. 2. Observe testing requirements detailed in PART 3 – EXECUTION in this document. 3. Submit certified test reports of Contractor‐performed tests in accordance with this document. AE Project #: <> 27 1300 ‐ 3 UH Master: 03.2020 < #> 4. 5. J. 1.8 Submit test reports together, clearly marked with cable identification. Test reports must be reviewed, approved and stamped by the Contractor's on‐site RCDD. Product data for all termination and test equipment to be used by Contractor to perform work. 1. Calibrate equipment with traceability to National Institute of Standards and Technology (NIST) requirements. 2. Include a copy of calibration and certification that equipment calibration meets NIST standards and has been calibrated at least once in the previous calendar year. 3. Test equipment data must be reviewed, approved and stamped by the Contractor's on‐site RCDD prior to submitting. QUALITY ASSURANCE A. Verification 1. The Owner shall maintain inspection personnel on the job site. It is incumbent upon the Contractor to verify that the installation and material used has been inspected before it is enclosed within building features, or otherwise hidden from view. The Contractor shall bear costs associated with uncovering or exposing installations or features that have not been inspected. B. Equipment 1. The Contractor is to use equipment and rigs designed for pulling, placement and termination of multi‐pair copper cable; including reel trucks, mechanical mules, sheaves, shoes, anchors etc., and equipment for drilling masonry, installing anchors, etc., to install support and cable management hardware. PART 2 ‐ PRODUCTS 2.1 PARTS AND MANUFACTURERS A. Refer to Section 01 2500 Substitution Procedures for variations from approved manufacturers or parts. Obtain written approval from UITNS before requesting a substitution for work covered by Division 27 Communications. B. Backbone Cables 1. Berk‐Tek a. Part Number: 10032113 ‐ Solid Copper Backbone/Tie Copper Cable: 24 AWG, UTP, Category 3, OSP Backbone Cables with an overall metallic shield. C. Protector Panels. 1. Circa Enterprises a. Entrance Terminals: 188OECA1‐100G b. Protector Modules: Gas Protector Unit ‐ 3BIE D. Copper Termination Hardware (Cat 3, legacy applications) – Main Cross Connect (MC) 1. Panduit a. 5 Pair: P110KB1005 b. 4 Pair: P110KB1004 2. CommScope a. 5 Pair: UNK‐110‐WB‐5M‐100PR AE Project #: <> 27 1300 ‐ 4 UH Master: 03.2020 < #> b. 4 Pair: UNK‐110‐WB‐4M‐100PR E. Copper Termination Hardware (Cat 3, legacy applications) – Building Distribution Frame (BDF) 1. Panduit a. 5 Pair: P110KB1005 b. 4 Pair: P110KB1004 2. CommScope a. 5 Pair: UNK‐110‐WB‐5M‐100PR b. 4 Pair: UNK‐110‐WB‐4M‐100PR F. Angled Patch Panels (Cat 3, legacy applications) – Equipment and IDF – 48‐port, filled and terminated with appropriate number of black RJ‐45 jacks. 1. Panduit ‐ UICMPPA48BL 2. CommScope ‐ 760207308 G. Copper Termination Hardware (Cat 6) – Main Cross Connect (MC) 1. Panduit a. 5 Pair: P110KB1005 b. 4 Pair: P110KB1004 2. CommScope a. 5 Pair: UNK‐110‐WB‐5M‐100PR b. 4 Pair: UNK‐110‐WB‐4M‐100PR H. Copper Termination Hardware (Cat 6) – Building Distribution Frame (BDF) 1. Panduit a. 5 Pair: P110KB1005 b. 4 Pair: P110KB1004 2. CommScope a. 5 Pair: UNK‐110‐WB‐5M‐100PR b. 4 Pair: UNK‐110‐WB‐4M‐100PR I. Angled Patch Panels (Cat 6) – Equipment and IDF – 48‐port, filled and terminated with appropriate number of black RJ‐45 jacks. 1. Panduit ‐ UICMPPA48BL 2. CommScope ‐ 760207308 J. Fabric Inner‐duct 1. MaxCell K. Metallic Tone Tape 1. Arnco a. DL WP12LC Tone Tape L. Outside Plant Fiber Optic Cable 1. CommScope a. 48‐strand 9/125‐micron single‐mode outside plant rated fiber optic cable b. 12‐strand 62.5/125‐micron multimode outside plant rated fiber optic cable (MM OSP cable used only for fire alarm system on the main campus; all other applications, including UH Technology Bridge fire alarm system, use SM OSP cable) M. Inside Plant Fiber Optic Cable AE Project #: <> 27 1300 ‐ 5 UH Master: 03.2020 < #> 1. CommScope a. 12‐strand Plenum‐rated 9/125‐micron single‐mode fiber optic cable b. 6‐strand Plenum‐rated 62.5/125‐micron multimode fiber optic cable N. Fiber Termination Hardware 1. Rack‐mounted Fiber Distribution Units a. CommScope 1) For ER: #RFE‐FXD‐EMT‐BK/4U 2) For NFs: #RFE‐SLG‐EMT/2U 2. ST fiber connectors O. Firestopping Materials 1. EZ‐Path PART 3 ‐ EXECUTION 3.1 CABLE INSTALLATION – OUTSIDE PLANT A. Communications conduits must be the top tier utility within the ductbank with a minimum of 18‐inch separation from high voltage cabling. B. All fiber optic cable with loose tube construction installed underground must be gel filled or constructed of appropriate waterproofing compounds. C. Fiber optic cable installed in manholes between buildings must have a minimum of two (2) complete loops of at least 50 feet in each manhole. D. A copper tracer line should be run with all fiber that is in a non‐metallic conduit. In each conduit, install a pull cord having a metallic member (tone tape) with a minimum test rating of 200 lbs pulling strength. Secure all pull cords shall be secured to prevent accidental removal. E. Fiber optic cables must always have minimum 20‐foot service loop at the terminating ends and all approved splice points. Place service loops with large bend radii neatly bundled on walls or on the attached to the bottom side of ladder trays in ‘figure‐8’ configuration. F. Splicing of fiber optic cable is not allowed between buildings. G. Install cable runs in one continuous length from bulkhead connector to bulkhead connector without splices; including service loops, and repairs unless required by standard, otherwise written approval must be received from UITNS Management. H. Place all newly installed fiber optic cable inside fiber optic innerduct with one‐inch ID when not in conduit or utility tunnel cable tray. Splice innerduct according to manufacturer approved methods. A pull string must be run in addition to the cable in order to provide access for future growth. I. When splicing into the Metro fiber ring, all fiber cable installations are to be 100 percent terminated except as directed by UITNS. Install plastic dust caps on all unused fiber terminations. AE Project #: <> 27 1300 ‐ 6 UH Master: 03.2020

Communications General Provisions Ch7

of 10

Description

Free up your schedule!

Take 5 seconds to unlock