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PSU Minimum Standards for Telecommunications Infrastructure

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PSU Minimum Standards for Telecommunications Infrastructure THE PENNSYLVANIA STATE UNIVERSITY TELECOMMUNICATIONS & NETWORKING SERVICES MINIMUM STANDARDS FOR TELECOMMUNICATION FACILITIES Revised: September 18, 2014 DBM Released: October 29, 2014 DBM Page 1 TABLE OF CONTENTS 1.0 Purpose 2.0 General 3.0 Outside Plant - Underground: 3.1 Conduit 3.2 Building Entrance Conduits 3.3 Manholes 4.0 Outside Plant - Aerial 5.0 Building Distribution Requirements: 5.1 Telecommunication Rooms 5.2 Telecommunication Outlets 5.3 Telecommunications Wiring 5.4 Telecommunications Faceplates 5.5 Wire Termination 5.6 Coaxial Cable Termination 5.7 Patch/Distribution Panels 5.8 Equipment/Relay Racks 5.9 Raceway for multiple Horizontal cables 5.10 Acceptance Testing 6.0 Telecommunications Outlet Requirements and Location 6.1 Offices 6.2 Classrooms 6.3 Laboratories 6.4 Residence Halls - University Park 6.5 Residence Halls - Non University Park 6.6 Wireless LAN System Outlets 7.0 Minimum Cable Specifications: 7.1 Entrance Cable 7.2 Coaxial Cable – Inter-building 7.3 Coaxial Cable – Intra-building 7.4 Fiber Performance Specifications Page 2 7.5 Loosetube Fiber Cable 7.6 Tight Buffer Fiber Cable 7.7 Fiber Termination, Splicing and Testing 8.0 Revision Notes Page 3 FIGURES 3.1 Typical 6-5" Duct Structure 3.1A Typical Branch/Subsidiary Conduit 3.2 Typical Entrance Conduit Termination’s 4.1 Type A Manhole 38Y Standard 4.2 Type J, L or T Manhole 38Y standard 4.3 Type J, L or T Manhole 38Y Detail 4.4 Insert Spacing for Type A Manhole 4.5 Racking for full-size (6x12x7) Type ‘A‘ Manhole 4.6 Use of S & B Cable Rack Supports 4.7 Typical Arrangement of Pulling-in Irons 4.8 Manhole Covers and Ladders 5.1 Typical Telecommunications Room 5.2 Typical Rack Layout 5.3 Typical Labeling Standard (Revision note 4) 6.1 Typical Face Plate 6.2 Typical Patch Panels 6.3 Jack Matrix Form 6.4 Jack Matrix Form Example Page 4 1.0 PURPOSE This document sets forth the minimum standards and requirements of Penn State's Telecommunications & Networking Services (TNS), Special Projects - Engineering Group for new construction, rewiring, and renovations of buildings. All designs must be reviewed and approved by the TNS Engineering Group. All designs shall be in compliance with all applicable Federal, State, and Local codes, ordinances, laws and other regulations that have jurisdiction over the project. If any variances exist with the material in this standard, the most demanding requirement shall apply. 2.0 GENERAL All local, state and federal rules and regulations must be adhered to. This shall include, but not be limited to "OSHA" safety regulations, Pennsylvania "One Call" requirements, and NESC safety concerns. REFERENCES: Penn State Design and Constructions Standards,www.opp.psu.edu,. Building Industry Consulting Service International’s (BICSI), Telecommunications Design Methods Manual (TDMM) Electronic Industries Association/Telecommunications Industry Association (EIA/TIA), Building Wiring Standards. American Association of State Highway and Transportation Officials, (AASHTO). Occupational Safety and Health Administration, (OSHA). National Electrical Safety Code, (NESC). National Electrical Code, (NEC). Page 5 3.0 OUTSIDE PLANT - UNDERGROUND 3.1 Conduits All exterior underground conduits used for telecommunications applications shall be 5-inch NEMA TC-6 type EB PVC plastic duct encased in concrete as outlined in the latest revision of Penn State’s Design and Construction Standards. A minimum of six 5-inch ducts shall be installed between manholes and a minimum of four 5-inch ducts shall be installed into a building. All conduits are to be encased in a 3- inch concrete envelope as shown in figure 3-1and 3-1A. Conduit shall be placed at a minimum depth of 30-inches below ground level to the top of the structure. Under roadways depth will be a minimum of 36-inches. Cover and concrete encasement will contain 1/2- inch deformed steel reinforcing bars as shown in figure 3-1. Changes in direction either vertical or horizontal, shall be accomplished with bends of the appropriate angle (90, 45, 22 1/2 or 11 degrees) to provide a smooth transition and mild pulling radius. The aggregate total of bends between structures (i.e., manhole to manhole, manhole to pole, building or pad) shall not exceed 180 degrees. All bends shall have a minimum radius of 60 inches. Special circumstances may utilize conduits of different size or composition. All variations must be reviewed and approved by TNS Engineering. Conduit joints shall be joined utilizing a good quality solvent cement (i.e., Carlon Co.). Joints shall be staggered in their placement. Conduits shall be spaced 2-inches apart both vertically and horizontally as shown in figure 3-1 and 3-1A. Upon completion of a duct structure all conduits shall be tested by drawing an appropriately sized slug or mandrel through each duct to assure the integrity. A pull line with a minimum tensile strength of 300 pounds and composed of a non-degradable material shall be placed in all conduits. 3.2 Building Entrance Conduit Conduit from a manhole to a building shall consist of a two-by-two configuration of four 5-inch PVC conduits encased in concrete as shown in figure 3-1A. Dependent on approval of TNS Engineering, it may be acceptable in the case of smaller buildings to place two 5-inch PVC conduits. At the point of entry, into either a building or manhole wall, steel reinforcing bars shall be placed along the conduit within the concrete to extend within the foundation or manhole wall. This reinforcing is to extend a minimum of four inches into the wall and five feet in the conduit structure. See figure 3-1. This is to eliminate the potential of the conduit shearing where the two structures meet. The four 5-inch conduits shall terminate inside the room equipped with bushings. All conduits shall be sealed with rubber conduit plugs, Jackmoon U.S.A. Inc., Part No. 50D535U, Carlon Telecom Systems, Part No. MAEPG8, General Machine Products Co. Inc., Part No. 66638 or TNS Engineering approved equivalent. The 5-inch conduit entering the building beyond the point of penetration shall be installed in compliance with the National Electrical Code (NEC). Page 6 3.3 Manholes 3.3.1 Precast manholes The standard manholes for campus applications shall be precast concrete, 6-foot wide, by 12 foot long, by 7 foot head room, industry standard type 38Y, available in type A (figure 4-1) and type J, L, and T (figure 4-2). Local conditions may dictate a different size or configuration of manhole, in which case, it must be approved by TNS Engineering. Manholes must be set with a minimum 2-foot of cover to top of the concrete roof, and where possible, placed off of roadways in grass plots, medial strips or lawn areas. 3.3.2 Cast in place manholes Certain locations may require a cast in place manhole. All cast in place manholes must meet the American Association of State Highway and Transportation Officials (AASHTO) specifications. a. All conduits entering or leaving manholes shall be placed at basically the same elevation and placed in such a fashion as to permit pull through type cable placement, see figure 4-3. b. Provide two 30 inch Type "B" cast iron frames and covers, ladder and racking as specified in the equipment section of this standard. See figure 4-8. c. Provide a 12 inch round or 12-inch square by 8-inch deep sump hole in the floor under one of the lids. The floor shall slope to the sump hole. 3.3.3 Manhole Equipment All manholes shall be equipped with two 30-inch cast iron frames and covers. The castings shall be set on concrete collars or on a minimum of two courses of brick laid flat and porridged to seal. Manholes shall be racked with all galvanized hardware as shown in figures 4-4, 4-5 and 4-6. Cast in place and non- standard manholes shall have inserts cast in the walls at the spacing shown in figure 4-5. Provide pulling in irons cast in the walls directly opposite the various duct entrances as shown in figure 4-7. All manholes shall be equipped with a free standing galvanized steel ladder with anti-slip steps, of the appropriate length to extend from the floor to a point in the collar just below the lid as shown in figure 4-8. 3.3.4 Frame and Cover Adjustments From time to time the elevations of the manhole casting may change to accommodate paving and surface reconstruction. This may require removing the frame and cover and building up the collar or brick and resetting the frame. In some cases the raising operation may be accomplished through the use of manhole extension rings (cast iron or steel). These rings must be ordered to fit the appropriate diameter (36-inch, 30-inch, or 27-inch) and the appropriate rise required (1 1/2-inch, 2-inch, or 3-inch). It is required that an epoxy-based cement be used on the contact surfaces of the extension ring. It is also required that TNS Engineering be involved in the determination of utilizing extension rings or requiring the frame to be reset. Page 7 4.0 OUTSIDE PLANT - AERIAL From time to time it may become necessary to install cable plant in an aerial manner. All aerial cable installations must be approved by the TNS Engineering. 5.0 BUILDING DISTRIBUTION REQUIREMENTS 5.1 Telecommunication Rooms (TR) 5.1.1 General Each building shall have one or more dedicated Telecommunications Room(s), (TR). Telecommunications room space shall be dedicated to the telecommunications function and related support facilities.
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