USACE / NAVFAC / AFCESA / NASA UFGS-26 00 00.00 20 (July 2006) ------------------------------- Preparing Activity: NAVFAC Superseding UFGS-26 00 00.00 20 (April 2006) UNIFIED FACILITIES GUIDE SPECIFICATIONS References are in agreement with UMRL dated January 2009 SECTION 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS 07/06 NOTE: This guide specification covers electrical general requirements, complete. Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information. Remove information and requirements not required in respective project, whether or not brackets are present. Comments and suggestion on this specification are welcome and should be directed to the technical proponent of the specification. A listing of the technical proponents, including their organization designation and telephone number, is on the Internet. Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR). NOTE: The following information shall be shown on the project drawings: 1. Extent and location of work to be accomplished. 2. Wiring, equipment, and accessories necessary for a complete installation. PART 1 GENERAL 1.1 REFERENCES NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title. Use the Reference Wizard's Check Reference feature when you add a RID outside of the Section's Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizard's Check Reference feature to update the issue dates. References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process. The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. ASTM INTERNATIONAL (ASTM)ASTM D 709(2001; R 2007) Laminated Thermosetting MaterialsINSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)IEEE C2(2007; Errata 2007; INT 2008) National Electrical Safety CodeIEEE C57.12.28(2005) Standard for Pad-Mounted Equipment - Enclosure IntegrityIEEE C57.12.29(2005) Pad-Mounted Equipment - Enclosure Integrity for Coastal EnvironmentsIEEE Std 100(2000) The Authoritative Dictionary of IEEE Standards TermsNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA 250(2003) Enclosures for Electrical Equipment (1000 Volts Maximum)NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 70(2007; AMD 1 2008) National Electrical Code - 2008 Edition1.2 RELATED REQUIREMENTS NOTE: To apply this guide specification to other divisions of the project specification, insert the appropriate division number and title. Ensure that the appropriate sections having electrical equipment include the following paragraph: "1.X RELATED REQUIREMENTS: Section 26 00 00.00 20, BASIC ELECTRICAL MATERIALS AND METHODS, applies to this section, with the additions and modifications specified herein." Delete sections in the paragraph that are not in the job. The requirements of this specification section are being incorporated into the other specification sections that reference it with the intent of phasing out this section. As the requirements of this section are incorporated into each specification section, that section should be added to the list in the paragraph below. Do not use this section, and delete reference to it, if the only sections used in the job are listed below. This section applies to certain sections of[ Division 02, EXISTING CONDITIONS][ Division 11, EQUIPMENT,][ Division 13, SPECIAL CONSTRUCTION,][ and][ Division 14, CONVEYING EQUIPMENT][ and][ Divisions 22 and 23, PLUMBING and HEATING VENTILATING AND AIR CONDITIONING]. This section applies to all sections of Division 26 and 33, ELECTRICAL and UTILITIES, of this project specification unless specified otherwise in the individual sections. This section has been incorporated into, and thus, does not apply to, and is not referenced in the following sections. Section 26 12 19.10 THREE-PHASE PAD MOUNTED TRANSFORMERS Section 26 12 19.20 SINGLE-PHASE PAD MOUNTED TRANSFORMERS Section 26 11 16 SECONDARY UNIT SUBSTATIONS Section 26 20 00 UNDERGROUND TRANSMISSION AND DISTRIBUTION SYSTEM Section 26 23 00 SWITCHBOARDS AND SWITCHGEAR Section 26 51 00 INTERIOR LIGHTING Section 26 56 00 EXTERIOR LIGHTING Section 27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM Section 33 71 02.00 20 UNDERGROUND UNDERGROUND TRANSMISSION AND DISTRIBUTION Section 33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT 1.3 DEFINITIONS a. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, shall be as defined in IEEE Std 100. b. The technical sections referred to herein are those specification sections that describe products, installation procedures, and equipment operations and that refer to this section for detailed description of submittal types. c. The technical paragraphs referred to herein are those paragraphs in PART 2 - PRODUCTS and PART 3 - EXECUTION of the technical sections that describe products, systems, installation procedures, equipment, and test methods. 1.4 ELECTRICAL CHARACTERISTICS NOTE: Delete this paragraph for SOUTHNAVFACENGCOM projects. Use IEEE C57.12.00 designations, such as 4160 V and 480Y/277 V, when referring to the primary and secondary voltages, respectively, in the following paragraph. Electrical characteristics for this project shall be [_____] kV primary, [single] [three] phase, [two] [three] [four] wire, [60] [50] [_____] Hz, and [_____] volts secondary, [single] [three] phase, [three] [four] wire. Final connections to the power distribution system at the existing [substation] [manhole] [_____] shall be made by the [Contractor as directed by the Contracting Officer] [Government]. 1.5 ADDITIONAL SUBMITTALS INFORMATION Submittals required in other sections that refer to this section must conform to the following additional requirements as applicable. 1.5.1 Shop Drawings (SD-02) Include wiring diagrams and installation details of equipment indicating proposed location, layout and arrangement, control panels, accessories, piping, ductwork, and other items that must be shown to ensure a coordinated installation. Wiring diagrams shall identify circuit terminals and indicate the internal wiring for each item of equipment and the interconnection between each item of equipment. Drawings shall indicate adequate clearance for operation, maintenance, and replacement of operating equipment devices. 1.5.2 Product Data (SD-03) Submittal shall include performance and characteristic curves. 1.6 QUALITY ASSURANCE 1.6.1 Regulatory Requirements In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction," or words of similar meaning, to mean the Contracting Officer. Equipment, materials, installation, and workmanship shall be in accordance with the mandatory and advisory provisions of NFPA 70 unless more stringent requirements are specified or indicated. 1.6.2 Standard Products Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year period shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in the technical section. 1.6.2.1 Alternative Qualifications Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished. 1.6.2.2 Material and Equipment Manufacturing Date Products manufactured more than 3 years prior to date of delivery to site shall not be used, unless specified otherwise. 1.7 WARRANTY The equipment items shall be supported by service organizations which are reasonably convenient to the equipment installation in order to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract. 1.8 POSTED OPERATING INSTRUCTIONS Provide for each system and principal item of equipment as specified in the technical sections for use by operation and maintenance personnel. The operating instructions shall include the following: a. Wiring diagrams, control diagrams, and control sequence for each principal system and item of equipment. b. Start up, proper adjustment, operating, lubrication, and shutdown procedures. c. Safety precautions. d. The procedure in the event of equipment failure. e. Other items of instruction as recommended by the manufacturer of each system or item of equipment. Print or engrave operating instructions and frame under glass or in approved laminated plastic. Post instructions where directed. For operating instructions exposed to the weather, provide weather-resistant materials or weatherproof enclosures. Operating instructions shall not fade when exposed to sunlight and shall be secured to prevent easy removal or peeling. 1.9 MANUFACTURER'S NAMEPLATE Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable. 1.10 FIELD FABRICATED NAMEPLATES NOTE: Use the following paragraph where nameplates are fabricated to identify specific equipment designated on the drawings. ASTM D 709. Provide laminated plastic nameplates for each equipment enclosure, relay, switch, and device; as specified in the technical sections or as indicated on the drawings. Each nameplate inscription shall identify the function and, when applicable, the position. Nameplates shall be melamine plastic, 3 mm (0.125 inch) 0.125 inch thick, white with [black] [_____] center core. Surface shall be matte finish. Corners shall be square. Accurately align lettering and engrave into the core. Minimum size of nameplates shall be 25 by 65 mm (one by 2.5 inches) one by 2.5 inches. Lettering shall be a minimum of 6.35 mm (0.25 inch) 0.25 inch high normal block style. 1.11 WARNING SIGNS Provide warning signs for the enclosures of electrical equipment including substations, pad-mounted transformers, pad-mounted switches, generators, and switchgear having a nominal rating exceeding 600 volts. a. When the enclosure integrity of such equipment is specified to be in accordance with IEEE C57.12.28 or IEEE C57.12.29, such as for pad-mounted transformers[ and pad-mounted SF6 switches], provide self-adhesive warning signs on the outside of the high voltage compartment door(s). Sign shall be a decal and shall have nominal dimensions of 178 by 255 mm (7 by 10 inches) 7 by 10 inches with the legend "DANGER HIGH VOLTAGE" printed in two lines of nominal 50 mm (2 inch) 2 inch high letters. The word "DANGER" shall be in white letters on a red background and the words "HIGH VOLTAGE" shall be in black letters on a white background. Decal shall be Panduit No. PPSO710D72 or approved equal. [b. When such equipment is guarded by a fence, mount signs on the fence. Provide metal signs having nominal dimensions of 355 by 255 mm (14 by 10 inches) 14 by 10 inches with the legend "DANGER HIGH VOLTAGE KEEP OUT" printed in three lines of nominal 75 mm (3 inch) 3 inch high white letters on a red and black field.] 1.12 ELECTRICAL REQUIREMENTS Electrical installations shall conform to IEEE C2, NFPA 70, and requirements specified herein. 1.13 INSTRUCTION TO GOVERNMENT PERSONNEL Where specified in the technical sections, furnish the services of competent instructors to give full instruction to designated Government personnel in the adjustment, operation, and maintenance of the specified systems and equipment, including pertinent safety requirements as required. Instructors shall be thoroughly familiar with all parts of the installation and shall be trained in operating theory as well as practical operation and maintenance work. Instruction shall be given during the first regular work week after the equipment or system has been accepted and turned over to the Government for regular operation. The number of man-days (8 hours per day) of instruction furnished shall be as specified in the individual section. [When more than 4 man-days of instruction are specified, use approximately half of the time for classroom instruction. Use other time for instruction with equipment or system. When significant changes or modifications in the equipment or system are made under the terms of the contract, provide additional instructions to acquaint the operating personnel with the changes or modifications.] PART 2 PRODUCTS 2.1 FACTORY APPLIED FINISH NOTE: This paragraph covers only the basic painting requirements for most electrical equipment. Include in the section specifying the equipment any special finishes for high or low temperatures and corrosive atmospheres. Retain the bracketed statement when switchgear and other equipment having specific paint requirements are specified. Electrical equipment shall have factory-applied painting systems which shall, as a minimum, meet the requirements of NEMA 250 corrosion-resistance test[ and the additional requirements specified in the technical sections]. PART 3 EXECUTION 3.1 FIELD APPLIED PAINTING NOTE: Use and coordinate paint and coating requirements with Section 09 90 00, PAINTS AND COATINGS when provided in the job. Use the second bracketed option when Section 09 90 00 is not provided or when requirements are beyond what is specified in Section 09 90 00. Paint electrical equipment as required to match finish of adjacent surfaces or to meet the indicated or specified safety criteria. Painting shall be as specified in [Section 09 90 00 PAINTS AND COATINGS] [the section specifying the associated electrical equipment]. 3.2 FIELD FABRICATED NAMEPLATE MOUNTING Provide number, location, and letter designation of nameplates as indicated. Fasten nameplates to the device with a minimum of two sheet-metal screws or two rivets. 3.3 WARNING SIGN MOUNTING Provide the number of signs required to be readable from each accessible side, but space the signs a maximum of 9 meters (30 feet) 30 feet apart.