1、*USACE / NAVFAC / AFCESA / NASA UFGS-33 70 02.00 10 (November 2008)-Preparing Activity: USACE SupersedingUFGS-33 70 02.00 10 (October 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION TABLE OF CONTENTSDIVISION 33 - UTILITIESSECTION 33 70 02.
2、00 10ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND11/08PART 1 GENERAL1.1 REFERENCES1.2 SYSTEM DESCRIPTION1.3 SUBMITTALS1.4 QUALITY ASSURANCE1.4.1 Detail Drawings1.4.2 As-Built Drawings1.5 DELIVERY, STORAGE, AND HANDLING1.6 EXTRA MATERIALSPART 2 PRODUCTS2.1 STANDARD PRODUCT2.2 NAMEPLATES2.2.1 General2.
3、2.2 Liquid-Filled Transformer Nameplates2.3 CORROSION PROTECTION2.3.1 Aluminum Materials2.3.2 Ferrous Metal Materials2.3.2.1 Hardware2.3.2.2 Equipment2.3.3 Finishing2.4 CABLES2.4.1 Medium-Voltage Cables2.4.1.1 General2.4.1.2 Ratings2.4.1.3 Conductor Material2.4.1.4 Insulation2.4.1.5 Shielding2.4.1.6
4、 Neutrals2.4.1.7 Jackets2.4.2 Low-Voltage Cables2.4.2.1 Conductor Material2.4.2.2 Insulation2.4.2.3 JacketsSECTION 33 70 02.00 10 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.4.2.4 Direct Buried2.4.2.5 In Duct2.5 CABLE JOINTS, TERMINATIONS
5、, AND CONNECTORS2.5.1 Medium-Voltage Cable Joints2.5.2 Medium-Voltage Separable Insulated Connectors2.5.3 Low-Voltage Cable Splices2.5.4 Terminations2.5.4.1 Factory Preformed Type2.5.4.2 Taped Terminations2.6 CONDUIT AND DUCTS2.6.1 Metallic Conduit2.6.2 Nonmetallic Ducts2.6.2.1 Bituminized Fiber Duc
6、t2.6.2.2 Concrete Encased Ducts2.6.2.3 Direct Burial2.6.3 Conduit Sealing Compound2.7 MANHOLES, HANDHOLES, AND PULLBOXES2.8 POLES AND HARDWARE2.9 TRANSFORMERS, SUBSTATIONS, AND SWITCHGEAR2.9.1 Secondary Unit Substation2.9.1.1 Incoming Section2.9.1.2 Transformer Section2.9.1.3 Integral Outgoing Secti
7、on2.9.1.4 Nonintegral (Cable Compartment) Outgoing Section2.9.2 Pad-Mounted Transformers2.9.2.1 High-Voltage Compartments2.9.2.2 Load-Break Switch2.9.2.3 Transformer Tank Sections2.9.2.4 Low-Voltage Cable Compartments2.9.2.5 Accessories2.9.3 Busways2.9.4 Pad-Mounted, Metal-Enclosed, Switchgear2.9.4.
8、1 Ratings at 60 Hz shall be:2.9.4.2 Operators, Devices, and Controls2.9.4.3 Enclosures2.9.5 Pad-Mounted Sectionalizers2.9.5.1 Ratings2.9.5.2 Enclosures2.9.6 Cable Terminating Cabinets2.10 METERING AND PROTECTIVE DEVICES2.10.1 Circuit Breakers, Low-Voltage2.10.1.1 Low-Voltage Power Circuit Breakers2.
9、10.1.2 Molded-Case Circuit Breakers2.10.2 Fuses, Medium-Voltage, Including Current-Limiting2.10.2.1 Construction2.10.2.2 Ratings2.10.2.3 E-Rated, Current-Limiting Power Fuses2.10.2.4 C-Rated, Current-Limiting Power Fuses2.10.3 Fuses, Low-Voltage, Including Current-Limiting2.10.3.1 Cartridge Fuses2.1
10、0.3.2 Transformer Circuit Fuses2.10.4 Instrument Transformers2.10.4.1 General2.10.4.2 Current Transformers2.10.4.3 Current Transformers for Power Transformers2.10.4.4 Current Transformers for Metal-Enclosed Switchgear2.10.4.5 Current Transformers for Kwh and Demand Metering (Low-Voltage)2.10.4.6 Vol
11、tage TransformersSECTION 33 70 02.00 10 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.10.5 Watthour Meters2.10.6 Protective Relaying2.10.6.1 General2.10.6.2 Construction2.10.6.3 Ratings2.11 SURGE ARRESTERS2.12 GROUNDING AND BONDING2.12.1 Dr
12、iven Ground Rods2.12.2 Grounding Conductors2.13 CONCRETE AND REINFORCEMENT2.14 PADLOCKS2.15 CABLE FIREPROOFING SYSTEMS2.15.1 Fireproof Coating2.15.2 Fireproofing Tape2.15.3 Plastic Tape2.16 LIQUID DIELECTRICS2.17 FACTORY TESTS2.18 FENCING2.19 COORDINATED POWER SYSTEM PROTECTION2.19.1 Scope of Analys
13、es2.19.2 Determination of Facts2.19.3 Single Line Diagram2.19.4 Fault Current Analysis2.19.4.1 Method2.19.4.2 Data2.19.5 Coordination Study2.19.6 Study ReportPART 3 EXECUTION3.1 EXAMINATION3.2 INSTALLATION REQUIREMENTS3.2.1 Conformance to Codes3.2.2 Disposal of Liquid Dielectrics3.3 CABLE AND BUSWAY
14、 INSTALLATION3.3.1 Cable Installation Plan and Procedure3.3.1.1 Cable Inspection3.3.1.2 Duct Cleaning3.3.1.3 Duct Lubrication3.3.1.4 Cable Installation3.3.1.5 Cable Installation Plan3.3.2 Duct Line3.3.3 Direct-Burial3.3.3.1 Trenching3.3.3.2 Cable Burial3.3.3.3 Other Requirements3.3.3.4 Cable Joints
15、or Splices3.3.3.5 Cable Markers3.3.4 Insect and Rodent Damage3.3.5 Electric Manholes3.3.6 Busway Installation3.4 CABLE JOINTS3.5 FIREPROOFING3.5.1 Tape Method3.5.2 Sprayable Method3.6 DUCT LINES3.6.1 Requirements3.6.2 Treatment3.6.3 Concrete EncasementSECTION 33 70 02.00 10 Page 3Provided by IHSNot
16、for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.6.4 Nonencased Direct-Burial3.6.5 Installation of Couplings3.6.5.1 Bituminized-Fiber Ducts3.6.5.2 Plastic Duct3.6.6 Duct Line Markers3.7 MANHOLES, HANDHOLES, AND PULLBOXES3.7.1 General3.7.2 Electric Manholes3.7.3 Commun
17、ications Manholes3.7.4 Handholes3.7.5 Pullboxes3.7.6 Ground Rods3.8 PAD-MOUNTED EQUIPMENT INSTALLATION3.8.1 Concrete Pads3.8.1.1 Construction3.8.1.2 Concrete and Reinforcement3.8.1.3 Sealing3.8.2 Padlocks3.8.3 Fencing3.9 CONNECTIONS BETWEEN AERIAL AND UNDERGROUND SYSTEMS3.10 CONNECTIONS TO BUILDINGS
18、3.11 GROUNDING3.11.1 Grounding Electrodes3.11.2 Grounding and Bonding Connections3.11.3 Grounding and Bonding Conductors3.11.4 Surge Arrester Grounding3.11.5 Manhole, Handhole, or Concrete Pullbox Grounding3.11.6 Metal Splice Case Grounding3.11.7 Riser Pole Grounding3.12 FIELD TESTING3.12.1 General3
19、.12.2 Safety3.12.3 Ground-Resistance Tests3.12.4 Ground-Mat Connection Inspection3.12.5 Medium-Voltage Cable Test3.12.6 Low-Voltage Cable Test3.12.7 Liquid-Filled Transformer Tests3.12.8 Dry-Type Transformer Tests3.12.9 Circuit Breaker Tests3.12.10 Power Circuit Breaker Tests3.12.11 Protective Relay
20、s3.12.12 Pre-Energization Services3.12.13 Operating Tests3.13 MANUFACTURERS FIELD SERVICE3.13.1 Onsite Training3.13.2 Installation Engineer3.14 ACCEPTANCE- End of Section Table of Contents -SECTION 33 70 02.00 10 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
21、nse from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-33 70 02.00 10 (November 2008)-Preparing Activity: USACE SupersedingUFGS-33 70 02.00 10 (October 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION 33 70 02.00 10ELECTRICAL DISTRIBUTION SY
22、STEM, UNDERGROUND11/08*NOTE: This guide specification covers the requirements for underground electrical distribution systems.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate i
23、nformation.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of technical proponents, including
24、 their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publicat
25、ions 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 A
26、rticle. Also use the Reference Wizards Check Reference feature to update SECTION 33 70 02.00 10 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the issue dates.References not used in the text will automatically be deleted from this section of t
27、he 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 within the text by the basic designation only.ALLIANCE FOR TELECOMMUNICATIONS INDU
28、STRY SOLUTIONS (ATIS)ATIS O5.1 (2002; Supple A 2003; Supple B 2003; Supple C 2004) Specifications and Dimensions (for Wood Poles)ASSOCIATION OF EDISON ILLUMINATING COMPANIES (AEIC)AEIC C8 (2000) Extruded Dielectric Shielded Power Cables Rated 5 Through 46 kVAEIC CS8 (2000) Extruded Dielectric Shield
29、ed Power Cables Rated 5 Through 46 kVASTM INTERNATIONAL (ASTM)ASTM A 123/A 123M (2008) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel ProductsASTM A 153/A 153M (2005) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel HardwareASTM A 48/A 48M (2003) S
30、tandard Specification for Gray Iron CastingsASTM B 117 (2007a) Standing Practice for Operating Salt Spray (Fog) ApparatusASTM B 231/B 231M (2004) Standard Specification for Concentric-Lay-Stranded Aluminum 1350 ConductorsASTM B 3 (2001; R 2007) Standard Specification for Soft or Annealed Copper Wire
31、ASTM B 400 (2008) Standard Specification for Compact Round Concentric-Lay-Stranded Aluminum 1350 ConductorASTM B 496 (2004) Standard Specification for Compact Round Concentric-Lay-Stranded Copper ConductorsASTM B 609/B 609M (1999; R 2004) Standard Specification for Aluminum 1350 Round Wire, Annealed
32、 and SECTION 33 70 02.00 10 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Intermediate Tempers, for Electrical purposesASTM B 8 (2004) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or SoftASTM B 800
33、(2005) Standard Specification for 8000 Series Aluminum Alloy Wire for Electrical Purposes-Annealed and Intermediate TempersASTM B 801 (2007) Standard Specification for Concentric-Lay-Stranded Conductors of 8000 Series Aluminum Alloy for Subsequent Covering or InsulationASTM C 478 (2008) Standard Spe
34、cification for Precast Reinforced Concrete Manhole SectionsASTM C 478M (2008e1) Standard Specification for Precast Reinforced Concrete Manhole Sections (Metric)ASTM D 1654 (2005) Evaluation of Painted or Coated Specimens Subjected to Corrosive EnvironmentsASTM D 2472 (2000; R 2006) Standard Specific
35、ation for Sulphur HexafluorideASTM D 4059 (2000; R 2005e1) Analysis of Polychlorinated Biphenyls in Insulating Liquids by Gas ChromatographyASTM D 923 (2007) Standard Practice for Sampling Electrical Insulating LiquidsFM GLOBAL (FM)FM P7825a (2005) Approval Guide Fire ProtectionINSTITUTE OF ELECTRIC
36、AL AND ELECTRONICS ENGINEERS (IEEE)IEEE C135.30 (1988) Zinc-Coated Ferrous Ground Rods for Overhead or Underground Line ConstructionIEEE C2 (2007; Errata 2007; INT 2008) National Electrical Safety CodeIEEE C37.1 (2007) Definition, Specification, and Analysis of Systems Used for Supervisory Control,
37、Data Acquisition, and Automatic ControlIEEE C37.121 (1989; R 2006) American National Standard for Switchgear Unit Substations RequirementsIEEE C37.13 (1990; R 1995) Standard for Low-Voltage AC SECTION 33 70 02.00 10 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without l
38、icense from IHS-,-,-Power Circuit Breakers Used in EnclosuresIEEE C37.16 (2000) Recommendations for Low-Voltage Power Circuit Breakers and AC Power Circuit Protectors, - Preferred Ratings, Related Requirements, and ApplicationIEEE C37.2 (1996; R 2001) Electrical Power System Device Function Numbers
39、and Contact DesignationsIEEE C37.20.1 (2002; Addenda A 2005; Addenda B 2006; R 2007) Standard for Metal-Enclosed Low-Voltage Power Circuit-Breaker SwitchgearIEEE C37.20.2 (1999) Metal-Clad SwitchgearIEEE C37.20.3 (2001; R 2006) Metal-Enclosed Interrupter SwitchgearIEEE C37.23 (2003) Guide for Metal-
40、Enclosed Bus and Calculating Losses in Isolated-Phase BusIEEE C37.30 (1997) Requirements for High-Voltage SwitchesIEEE C37.34 (1994) Test Code for High-Voltage Air SwitchesIEEE C37.41 (2000) Design Tests for High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switc
41、hes, and AccessoriesIEEE C37.46 (2000) For High Voltage Expulsion and Current-Limiting Type Power Class Fuses and Fuse Disconnecting SwitchesIEEE C37.63 (2005) Requirements for Overhead, Pad-Mounted, Dry-Vault, and Submersible Automatic Line Sectionalizers for AC SystemsIEEE C37.90 (2005) Standard f
42、or Relays and Relay Systems Associated With Electric Power ApparatusIEEE C37.90.1 (2002; Errata 2003) Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power ApparatusIEEE C57.12.00 (2006) Standard General Requirements for Liquid-Immersed Distribution, Powe
43、r, and Regulating TransformersIEEE C57.12.21 (1992) Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, SECTION 33 70 02.00 10 Page 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Single-Phase Distribution Transformers with High-Voltage B
44、ushings; High Voltage, 34 500 Grd Y/199200 Volts and Below; Low Voltage, 2400/120 Volts; 167 kVAand SmallerIEEE C57.12.26 (1992; Addenda 1993) Transformers - Pad-Mounted Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors, H
45、igh Voltage, (34 500 Grd Y/19 920 and Below; 2500 kVA and Smaller)IEEE C57.12.28 (2005) Standard for Pad-Mounted Equipment - Enclosure IntegrityIEEE C57.13 (2008) Standard Requirements for Instrument TransformersIEEE C57.98 (1993; R 1999) Guide for Transformer Impulse TestsIEEE C62.11 (2005; Amendme
46、nt A 2008) Standard for Metal-Oxide Surge Arresters for Alternating Current Power Circuits (1kV)IEEE Std 242 (2001; Errata 2003) Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems - Buff BookIEEE Std 386 (2006) Standard for Separable Insulated Connector Systems for Power Distribution Systems Above 600VIEEE Std 399 (1997) Recommended Practice for
