1、*USACE / NAVFAC / AFCEC / NASA UFGS-26 24 16.00 40 (August 2013)-Preparing Activity: NASA SupersedingUFGS-26 24 16.00 40 (August 2010)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2013*SECTION TABLE OF CONTENTSDIVISION 26 - ELECTRICALSECTION 26 24 16.00 40PA
2、NELBOARDS08/13PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 MAINTENANCE MATERIAL SUBMITTALS1.4 QUALITY ASSURANCE1.5 PREDICTIVE TESTING AND INSPECTION TECHNOLOGY REQUIREMENTSPART 2 PRODUCTS2.1 COMPONENTS2.1.1 Panelboards2.1.2 Circuit Breakers2.1.3 Directory Card and Holder2.1.4 Filtered Panelboards2.
3、1.4.1 General2.1.4.2 RF Shielding2.1.4.3 Circuit Breaker Actuators2.1.4.4 Terminals2.1.4.5 Attenuation2.1.4.6 Current2.1.4.7 Voltage2.1.4.8 Circuit Breakers2.1.4.9 RF Filters2.1.4.10 Filter Discharge Unit2.1.5 Precautionary Label2.2 FACTORY TESTINGPART 3 EXECUTION3.1 INSTALLATION3.2 SITE TESTING- En
4、d of Section Table of Contents -SECTION 26 24 16.00 40 Page 1Provided by IHSNot for Resale-,-,-*USACE / NAVFAC / AFCEC / NASA UFGS-26 24 16.00 40 (August 2013)-Preparing Activity: NASA SupersedingUFGS-26 24 16.00 40 (August 2010)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with
5、 UMRL dated July 2013*SECTION 26 24 16.00 40PANELBOARDS08/13*NOTE: This guide specification covers the requirements for power-distribution panelboards and lighting and appliance branch-circuit panelboards.Indicate on drawings the ampere rating of panelboards, the number of bus bars, and the voltage
6、characteristics of the system to which they are connected. Indicate frame size, trip rating, number of poles, and class of molded-case branch-circuit breakers. Show interrupting rating for power distribution panelboards and also for lighting and appliance branch-circuit panelboards if the latter hav
7、e an interrupting rating of more than 10,000 amperes rms symmetrical.Adhere to UFC 1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard when editing this guide specification or preparing new project specification sections. Edit this guide specification for project specific require
8、ments 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, suggestions and recommended changes for this guide spec
9、ification are welcome and should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL*NOTE: If Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS is not included in the project specification, applicable requirements therefrom should be inserted and the following paragraph delet
10、ed.SECTION 26 24 16.00 40 Page 2Provided by IHSNot for Resale-,-,-*Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS applies to work specified in this section.1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publicatio
11、ns are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Art
12、icle. Also use the Reference Wizards 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
13、 a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.ELECTRONIC INDUSTRIES ALLIANCE (EIA)EIA 416 (1974; R 1981) Filters for Radio InterferenceEIA/IS 46 (1987) Test Procedure for Resistance to Soldering (Vapor Phase Tec
14、hnique) for Surface Mount DevicesNATIONAL AERONAUTICS AND SPACE ADMINISTRATION (NASA)RCBEA GUIDE (2004) NASA Reliability Centered Building and Equipment Acceptance GuideNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA 250 (2008) Enclosures for Electrical Equipment (1000 Volts Maximum)NEMA PB
15、 1 (2011) PanelboardsNATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 70 (2011; Errata 2 2012) National Electrical CodeSECTION 26 24 16.00 40 Page 3Provided by IHSNot for Resale-,-,-U.S. DEPARTMENT OF DEFENSE (DOD)MIL-HDBK 232 (1987; Rev A; Notice 1 1988; Notice 2 2000) Red/Black Engineering - Instal
16、lation GuidelinesU.S. GENERAL SERVICES ADMINISTRATION (GSA)FED-STD-595 (Rev C; Notice 1) Colors Used in Government ProcurementUNDERWRITERS LABORATORIES (UL)UL 489 (2013) Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker EnclosuresUL 67 (2009; Reprint Jan 2013) Standard for Pane
17、lboards1.2 SUBMITTALS*NOTE: Review Submittal Description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project.The Guide Specification technical editors have designated those items that require Government approva
18、l, due to their complexity or criticality, with a “G.“ Generally, other submittal items can be reviewed by the Contractors Quality Control System. Only add a “G” to an item, if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval o
19、n Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Divisi
20、on or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the se
21、cond bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quality Control approval.for information only. When used, a designation following the “G“ designation identifies the office that wi
22、ll review the submittal for SECTION 26 24 16.00 40 Page 4Provided by IHSNot for Resale-,-,-the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsDetail Drawings; G; G, _Outline Drawings; G; G, _SD-03 Product DataPanelboards; G; G, _Directory
23、 Card and Holder; G; G, _Filtered Panelboards; G; G, _SD-06 Test ReportsContinuity Tests; G; G, _Insulation Tests; G; G, _SD-07 CertificatesStatements; G; G, _SD-08 Manufacturers InstructionsPanelboards; G; G, _1.3 MAINTENANCE MATERIAL SUBMITTALSSubmit manufacturers instructions for panelboards incl
24、uding special provisions required to install equipment components and system packages. Special notices detail impedances, hazards and safety precautions.1.4 QUALITY ASSURANCEEnsure the manufacturer of the assembly is the manufacturer of the major components within the assembly and has produced simil
25、ar electrical equipment for a minimum period of five years.Provide statements signed by responsible officials of a manufacturer of a product, system, or material attesting that the product, system or material meet specified requirements. Ensure statements are dated after the award of this contract,
26、with the project name, and a list of the specific requirements which it is intended to address.1.5 PREDICTIVE TESTING AND INSPECTION TECHNOLOGY REQUIREMENTS*NOTE: The Predictive Testing and Inspection (PT do not use soft solder. Firmly mount internal components to withstand applicable shock and vibr
27、ation test requirements without damage.Ensure fluid impregnant conforms to UL nonflammable classification. Ensure internal components are fully impregnated and intimately immersed in the fluid to obtain the full benefit of cooling by convection flow through the liquid medium to filter case. Complete
28、ly fill filter case with the fluid impregnant.2.1.4.10 Filter Discharge UnitInstall a filter discharge unit for three-filtered circuits on the panelboard. Install in accordance with NFPA 70. Ensure unit meets applicable requirements of EIA/IS 462.1.5 Precautionary LabelTo ensure persons are aware of
29、 immediate or potential hazard in the application, installation, use, or maintenance of panelboards, conspicuously mark each panelboard on the trim or dead front shield with the text (or equivalent) DANGER symbol. If the panel is supplied with a door, ensure the label is visible when the door is in
30、the open position.2.2 FACTORY TESTINGTest complete panelboards in accordance with UL 67.PART 3 EXECUTION3.1 INSTALLATIONInstall panelboards as indicated and in accordance with the manufacturers instructions. Fully align and mount panels so that the height of the top operating handle does not exceed
31、1800 millimeter 72-inches _above the finished floor.Ensure directory-card information is typewritten in capital letters to indicate outlets controlled and final room numbers served by each circuit and is mounted in holders behind protective covering.3.2 SITE TESTING*NOTE: If the specified system is
32、identified as critical, configured, or mission essential, use Section 01 86 26.07 40 RELIABILITY CENTERED ACCEPTANCE FOR ELECTRICAL SYSTEMS to establish predictive and acceptance testing criteria, above and beyond that listed below.*Perform PT&I tests and provide submittals as specified in Section 0
33、1 86 26.07 40 RELIABILITY CENTERED ACCEPTANCE FOR ELECTRICAL SYSTEMS.SECTION 26 24 16.00 40 Page 10Provided by IHSNot for Resale-,-,-Do not energize panelboards until the recorded test data has been submitted to and approved by the Contracting Officer.Provide test equipment, labor, and personnel as
34、required to perform the tests as specified. Conduct continuity tests using a dc device with bell buzzer _.Demonstrate each panelboard enclosure key operates the enclosure locks in the presence of the Contracting Officer.Conduct continuity and insulation tests on the panelboards after the installatio
35、n has been completed and before the panelboard is energized.Conduct insulation tests on 480-volt panelboards using a 1,000-volt insulation-resistance test set. Record readings every minute until three equal and consecutive readings have been obtained. Ensure resistance between phase conductors and b
36、etween phase conductors and ground is not less than 50 megohms.Conduct insulation tests on panelboards rated 300 volts or less using a 500-volt minimum insulation-resistance test set. Record readings after 1 minute and until the reading is constant for 15 seconds. Ensure resistance between phase conductors and between phase conductors and ground is not less than 25 megohms.Record test data and include the location and identification of panelboards and megohm readings versus time.- End of Section -SECTION 26 24 16.00 40 Page 11Provided by IHSNot for Resale-,-,-
