1、 COE CEAGS 16740A I 3515711i5 0534472 688 R . DEPARTMENT OF THE ARMY CEAGS-16740A (December 1994) U.S. ARMY CORPS OF ENGINEERS Superseding CEAGS 16740A (October 1992) ABRIDGED GUIDE SPECIFICATION FOR MILITARY CONSTRUCTION . SECTION 16740A TELEPHONE SYSTEM, PRE-WIRING 12/94 PART 1 GENERAL NOTE: See A
2、dditional Notes A through D. 1.1 REFERENCES The publications listed below form a part of this specification to the extent referenced. designation only. The publications are referred to in the text by basic ELECTRONIC INDUSTRIES ASSOCIATION (EIA) EIA 568 EIA TSB 36 EIA TSB 40-A (1991) Commercial Buil
3、ding Telecommunications Wiring Standard (1991) Additional Cable Specifications for Unchielded Twisted Pair Cables (1994) Additional Transmission Specifications for Unshielded Twisted-Pair Connecting Hardware INSULATED CABLE ENGINEERS ASSOCIATION (ICEA) ICEA S-80-576 (1988) Communications Wire and Ca
4、ble for wiring of Premises NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) NFPA 70 (1993) National Electrical Code UNDERWRITERS LABORATORY (UL) UL 50 1.2 SYSTEM DESCRIPTION (1992; Rev thru Nov 1994) Enclosures for Electrical Equipment A telecommunications wiring system consisting of inside plant cables
5、and other auxiliary equipment shall be provided. 1.3 SUBMITTALS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Government approval is required for submittals with a designation; submittals having an lfFIOIt designation are for information only. The
6、following shall be submitted in accordance with Section 01300 SUBMITTAL DESCRIPTIONS: SD-04 Drawings Telephone Pre-wiring System; GA. Detail drawings shall include a complete list of equipment and material, including manufacturers descriptive and technical literature, performance charts and curves,
7、catalog cuts, and installation instructions. Detail drawings shall contain complete wiring diagrams and any other details required to demonstrate that the system has been coordinated and will properly function when connected to the dial central office. shall show proposed layout and equipment relati
8、onship to other parts of the work including clearance for maintenance and operations. Drawings System drawings showing final configuration, including location, type, gauge, and block and terminal assignment of inside wiring, and floor plan layout for the equipment room, after installation. SD-06 Ins
9、tructions Manufacturers Recommendations; GA. Where installation procedures, or any part thereof, are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be provided prior to installation. Installatio
10、n of the item will not be allowed to proceed until the recommendations are received and approved. SD-09 Reports Test Reports; I* Test reports in booklet form showing field tests performed to prove compliance with the specified performance criteria, upon completion and testing of the installed system
11、 SD-14 Certificates Horizontal Cables; 3. Backbone Cables; I* - 1. Connecting Hardware; I* Telecommunication Outlets; 3. Communication Cabinets; Manufacturers certificate indicating compliance with transmission and reliability requirements. conform to the standards or publications and requirements
12、of CFR, EIA, ICEA and UL, certificates shall be provided attesting that the items furnished under this section of the specification conform to the specified requirements. Where equipment or materials are specified to 1.4 DELIVERY AND STORAGE Equipment delivered and placed in storage shall be stored
13、with protection from the weather, humidity and temperature variation, dirt and dust, or other contaminants. PART 2 PRODUCTS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-COE CEAGS Lb740A 3535789 0533474 450 H 2.1 STANDARD PRODUCTS Materials and equ
14、ipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products and shall be the manufacturers latest standard design that has been in satisfactory use for at least 2 years prior to bid opening. 2.2 WIRING SYSTEM The category for cable, jacks and blocks s
15、hould be the same throughout each circuit and system. Specify more than two categories only if providing two systems requiring different categories. general, Category 3 (up to 1OMHz transmission) should be used for voice circuits and Category 5 (up to 1OOMHz) should be used for data circuits. Verify
16、 this criteria with the user. In For specialized circuits such as pay phones in dorms and other sleeping quarters coordinate with the local telephone company. For applications where cables will not be in conduit, and are in a plenum environment, specify Type 2 for horizontal cable and Type 4 for bac
17、kbone cable. If in conduit, or not in a plenum, Type 1 for horizontal cable and Type 3 for backbone cable should be specified. Ensure that the NEC 60 percent maximum conduit fill is considered when sizing cables. When sizing the cables and determining the category, keep in mind whether the system is
18、 voice-only or voice-data. Use pin/pair configuration T568A unless the host facility has standardized on T568B NOTE: See Additional Note E. The wiring system shall be in conformance with EIA 568. 2.2.1 Horizontal Cables Horizontal cables between the telecommunication outlet and the connecting hardwa
19、re shall be in accordance with the requirements of EIA 568 for 100-ohm, unshielded, twisted-pair and shall be category 3 5 in conformance with EIA TSB 36. Type, per ICEA S-80-576, shall be as shown. 2.2.2 Backbone Cables Backbone cables between the entrance facility and telecommunication closets and
20、 equipment rooms shall be of the same category as the horizontal cable it serves. Cables shall be in accordance with the requirements of EIA 568 for 100-ohm, unshielded, twisted-pair and EIA TSB 36. Type, per ICEA S-80-576, shall be as shown. 2.2.3 Telecommunication Outlets Provided by IHSNot for Re
21、saleNo reproduction or networking permitted without license from IHS-,-,-COE CEAGS 36740A E 3515789 0533475 397 NOTE: Specify single-jack face plates for barracks and unaccompanied personnel housing projects. Wall and desk face plates shall come equipped with two modular jacks, with the top or left
22、jack labeled Ilvoicel and the bottom or right jack labeled IldataIl. Jacks shall comply with EIA 568 and EIA TSB 40-A and be the same category as the cable they terminate. shall be T568A per EIA 568. Jack pin/pair configuration 2.2.4 Telephone Backboard NOTE: Provide size on drawings. An ACX plywood
23、 backboard shall be provided, sized as shown, coated on both sides with two coats of insulating varnish as a minimum. 2.2.5 Communication Cabinets NOTE: Provide size on drawings. Cabinets shall conform to UL 50 and have boxes constructed of zinc-coated sheet steel with interior dimensions not less t
24、han shown on drawings. Trim shall be fitted with hinged door and flush catch. Doors shall provide maximum openings to the box interiors. provided with 19 mm (3/4 inch) ACX plywood backboard having a two-coat insulating varnish finish. Boxes shall be 2.2.6 Connecting Hardware NOTE: Requirements for p
25、rotecting or connecting hardware for termination of outside plant cables entering the facility should be provided in accordance with Section 16742 TELEPHONE SYSTEM OUTSIDE PLANT. * * Connecting and cross-connecting hardware shall be of the same category as the cabling they serve. 40-A and EIA 568. H
26、ardware shall be in accordance with EIA TSB PART 3 EXECUTION 3.1 INSTALLATION System components and appurtenances shall be installed in accordance with the manufacturerls instructions as specified or as shown. Installation work shall be done in accordance with the safety requirements set forth in th
27、e general requirements of NFPA 70. 3.2 WIRING SYSTEM INSTALLATION NOTE: Secure and classified areas should meet Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-COE CEAGS 16740A II 3535789 053LY76 223 requirements of NACSIM 5203 and DIAM 50-3 for cabl
28、e distribution and wiring. Wiring shall be installed in accordance with EIA 568, and as specified in Section 16415 ELECTRICAL WOM, INTERIOR. EIA 568, Appendix C shall be considered mandatory. Cables shall not be installed in the same cable tray, utility pole compartment, or floor trench compartment
29、with ac power cables. properly secured and neat in appearance. Cables not installed in conduit or wireways shall be 3.3 GROUNDING NOTE: Verify that a grounding point exists in the facility. If not, provisions for a ground should be added. Reference TM 5-811-9. The telecommunications equipment ground
30、 shall be connected to the Master Ground Bar (MGB) building ground electrical service equipment ground following the most direct route utilizing a minimum No. 6 gauge copper wire conductor. Total resistance of the conductor only shall be 0.005 ohms or less. 3.4 TESTING Notification of planned testin
31、g shall be given at least 14 days prior to any test. Personnel or the Contracting Officers onsite representative. Discrepancies noted during testing shall be corrected, and those tests rerun, within 14 days. Tests shall be witnessed by Government Quality Assurance 3.4.1 Test Reports A report detaili
32、ng the results of testing shall be delivered within 7 days after completion of each phase of testing. sign-off/completion sheets for each test indicating test results, reason for failure, and signature blocks for both the contractor and Government witness. The report shall contain 3.4.2 Tests Tests
33、shall verify block-to-jack continuity of pairs with no shorts, opens, crosses, reverses, splits, or grounds. Tests shall include measurement of attenuation, near-end crosstalk, and ambient noise. To ensure a successful cutover, 100 percent verification of subscriber records and cable locations for t
34、he system shall be completed prior to cutover. ADDITIONAL NOTES NOTE A: For additional information on the use of all CEAGS, see CEAGS-01000A CEAGS GENERAL NOTES. NOTE B: This guide specification covers telephone system pre-wiring installed inside buildings. NOTE C: This guide specification is part o
35、f a series of abridged specifications (CEAGS) for use in Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-COE CEAGS Lb740A 3515749 0533477 LbT specifying small jobs, minor elements of larger jobs, or repair or maintenance type work, when brief specifi
36、cations with a minimum of controls will meet job requirements. This specification is based on CEGS-16740, December 1994. NOTE D: Most CEAGS have a counterpart in the CEGS system, and if a more detailed specification is required the CEGS should be used. Also, if additional information is needed for the use of CEAGS, the notes in the CEGS should be consulted. . - End of Section - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
