Transcript
CSM15-001B Campus Backbone College of Southern Maryland
May 11, 2015
SECTION 27 11 00 COMMUNICATIONS EQUIPMENT ROOM FITTINGS 1. GENERAL 1.1
SECTION INCLUDES A. Equipment Racks B. Fiber Enclosures C. Horizontal Management
1.2
RELATED SECTIONS A. 27 08 00 – Commissioning of Communications B. 27 13 00 – Communications Backbone Cabling C. 27 16 00 – Communications Connector Cords, Devices and Adapters
2. PRODUCTS 2.1
EQUIPMENT RACKS A. Provide equipment cabinets as shown on the Drawings. Contractor to verify suitability of cabinet style, height, and depth in each room. Notify Owner immediately if specified cabinet cannot be used. Each cabinet shall conform to the following specification: 1. Each rack shall consist of a modular EIA 19" mounting frame, with a minimum of 84" (45U) space for equipment in the vertical plane unless otherwise shown on the drawings. 2. Provide all mounting components and accessories to securely fix racks to floor and supporting walls. Provide appropriate seismic transverse and longitudinal bracing per applicable Seismic Zone requirements, as required. 3. Provide overhead ladder rack or equal fixed to the top of each rack and running from the top of the rack to the telephone backboard where the feeder and horizontal cables run, as shown on the drawings. 4. Provide cable bend management fixtures to maintain the proper bend radius as the cables drop into the rack. Do not allow cables to be unsupported as they run from conduit or cable tray to equipment cabinets. 5. Provide appropriate seismic bracing brackets for anchoring the cabinets on raised floor. Use a minimum of 5/8” threaded rod and appropriate concrete drop-in anchors for securing the cabinets above on the raised floor. The 5/8” threaded rod shall be further secured with aircraft cable per any local codes and the current NUSIG (National Uniform Seismic Installation Guidelines). 6. Each rack shall have a load-carrying capacity of 1000 lbs. (450 kg.). 7. Provide patch management in each rack. Provide (1) 2U front-side horizontal patch management in the top and bottom of each rack and top and bottom of each patch panel as shown on the drawings. 8. Provide side-mounted vertical cable management on both sides of each rack as shown on the drawings. 9. Provide strain relief and cable management at the rear of each rack to ensure tidy routing of all feeder and horizontal cables. 10. Provide a Rack Ground Bar in each rack. COMMUNICATIONS EQUIPMENT ROOM FITTINGS 271100 - 1
CSM15-001B Campus Backbone College of Southern Maryland
May 11, 2015
11. The rack shall be manufactured from extruded aluminum. 12. Manufacturer: Ortronics, or equal. 2.2
FIBER ENCLOSURES A. Rack Mounted Optical Fiber Enclosures. Provide optical fiber enclosures, conforming to the following specification: 1. Each panel shall be suitable for installation in EIA 19" mounting frame. 2. Configured with 48 connectors housed in each 2U (1.75") of usable rack space. 3. Allow for labeling of each individual connector. 4. Allow any individual cable to be terminated or otherwise handled without disturbing other cables. 5. Each panel shall provide fiber handling for fiber elements, including 36" fiber reserve (service loop) inside the patch panel with no bends sharper than 2" bend radius. 6. Provide blanking adapter plates to cover all unused spaces as necessary. 7. Manufacturer: Ortronics OR-625MMC-48Px1B, or equal.
2.3
HORIZONTAL MANAGEMENT A. Provide (1) 1U front-side horizontal patch management on the top and the bottom of each cabinet and top and bottom of each patch panel. B. Managements shall have hinged cover plates to allow the cover to open in both directions. C. Provide strain relief and cable management at the rear of each rack to ensure tidy routing of all feeder and horizontal cables. D. Manufacturer: Ortronics OR-MM6HM61RU, or equal.
3. EXECUTION 3.1
INSTALLATION A. Contractor is responsible for all components required to complete installation as defined in manufacturer’s installation instructions as identified in this specification even if not specifically defined herein. This would include, mounting hardware, screws, brackets, bolts, grounding wire, fittings, spacers, labels, engraving, or components required to fulfill the design intent of the installation. B. Ensure that all waste materials are disposed of in a safe manner. Pay particular attention to waste materials produced during the termination of optical fiber cabling. Ensure that all used components and fiber cut-offs are collected in purpose-made containers and disposed of properly.
3.2
EQUIPMENT RACKS A. Provide equipment cabinets and racks, as shown on the drawings. Racks and cabinets to be laid out and located according to centerlines shown on enlarged IDF/TR plans. In the event location is not available, contractor to bring it to the attention of the consulting engineer for review prior to installation. B. Securely fix the cabinets/racks in place as defined by the manufactures installation instructions. Fix each cabinet and rack to the floor and supporting walls to provide stability and prevent movement of the cabinet or rack. COMMUNICATIONS EQUIPMENT ROOM FITTINGS 271100 - 2
CSM15-001B Campus Backbone College of Southern Maryland
May 11, 2015
C. Fix adjacent racks and cabinets together though vertical wire managers and overhead ladder racks with component provided by the equipment rack, and ladder rack manufacturers. D. Each rack shall be bonded to the adjacent rack with components as supplied by the equipment rack manufacturer and shown in the design documents. E. Grounding and bonding shall adhere to requirements as shown in the design documentation. F. Install the appropriate seismic transverse and longitudinal bracing per any local codes and the current NUSIG (National Uniform Seismic Installation Guidelines). 3.3
FIBER ENCLOSURES A. Install fiber enclosure as shown on design documentation and enlarged plan rack elevations. B. Provide blank inserts for all unused fiber compartments within fiber enclosure. C. Provide keys for enclosure locks to owner upon acceptance of systems installation. D. Provide universal cable clamps as required for strain relief as part of fiber optic cabling installation.
3.4
UNUSED COMPONENTS A. Any components purchased in accordance with these specifications and unused shall be documented and passed to the Owner on completion of installation and audited at the time of acceptance testing. End of Section
COMMUNICATIONS EQUIPMENT ROOM FITTINGS 271100 - 3
