1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 11 25 (November 2008)-Preparing Activity: USACE SupersedingUFGS-23 11 23.00 10 (October 2007)UFGS-23 11 23.00 40 (August 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION TABLE OF CONTENTSDIVISION 23 -
2、 HEATING, VENTILATING, AND AIR CONDITIONINGSECTION 23 11 25FACILITY GAS PIPING11/08PART 1 GENERAL1.1 REFERENCES1.2 SYSTEM DESCRIPTION1.2.1 Gas Facility System and Equipment Operation1.2.2 Gas Facility System Maintenance1.2.3 Gas Facility Equipment Maintenance1.3 SUBMITTALS1.4 QUALITY ASSURANCE1.4.1
3、Welding Qualifications1.4.2 Jointing Thermoplastic and Fiberglass Piping1.4.3 Shop Drawings1.5 DELIVERY, STORAGE, AND HANDLINGPART 2 PRODUCTS2.1 MATERIALS AND EQUIPMENT2.2 GAS PIPING SYSTEM AND FITTINGS2.2.1 Steel Pipe, Joints, and Fittings2.2.2 Aluminum Alloy Pipe and Tubing, Joints, and Fittings2.
4、2.3 Copper Tubing, Joints and Fittings2.2.4 Steel Tubing, Joints and Fittings2.2.5 Thermoplastic Pipe, Tubing, Joints, and Fittings2.2.6 Fiberglass Pipe, Joints, and Fittings2.2.7 Sealants for Steel Pipe Threaded Joints2.2.8 Warning and Identification2.2.9 Flange Gaskets2.2.10 Pipe Threads2.2.11 Esc
5、utcheons2.2.12 Gas Transition Fittings2.2.13 Insulating Pipe Joints2.2.13.1 Insulating Joint Material2.2.13.2 Threaded Pipe Joints2.2.13.3 Flanged Pipe Joints2.2.14 Flexible ConnectorsSECTION 23 11 25 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
6、-,-,-2.3 VALVES2.3.1 Valves 50 mm 2 Inches and Smaller2.3.2 Valves 65 mm 2-1/2 Inches and Larger2.4 RISERS2.5 PIPE HANGERS AND SUPPORTS2.6 METERING, REGULATORS AND SHUTOFF VALVES2.7 SEISMIC PROVISIONS2.8 LIQUIFIED PETROLEUM GAS - (LPG), LPG CONTAINERS AND ACCESSORIESPART 3 EXECUTION3.1 EXAMINATION3.
7、2 EXCAVATION AND BACKFILLING3.3 GAS PIPING SYSTEM3.3.1 Protection and Cleaning of Materials and Components3.3.2 Workmanship and Defects3.4 PROTECTIVE COVERING3.4.1 Underground Metallic Pipe3.4.2 Aboveground Metallic Piping Systems3.4.2.1 Ferrous Surfaces3.4.2.2 Nonferrous Surfaces3.5 INSTALLATION3.5
8、.1 Metallic Piping Installation3.5.2 Metallic Tubing Installation3.5.3 Thermoplastic and Fiberglass Piping, Tubing, and Fittings3.5.4 Connections Between Metallic and Plastic Piping3.5.5 Piping Buried Under Buildings3.5.6 Concealed Piping in Buildings3.5.6.1 Piping in Partitions3.5.6.2 Piping in Flo
9、ors3.5.7 Aboveground Piping3.5.8 Final Gas Connections3.5.9 Seismic Requirements3.6 PIPE JOINTS3.6.1 Threaded Metallic Joints3.6.2 Welded Metallic Joints3.6.3 Thermoplastic and Fiberglass Joints3.6.4 Flared Metallic Tubing Joints3.6.5 Solder or Brazed Joints3.6.6 Joining Thermoplastic or Fiberglass
10、to Metallic Piping or Tubing3.6.7 Press Connections3.7 PIPE SLEEVES3.8 PIPES PENETRATING WATERPROOFING MEMBRANES3.9 FIRE SEAL3.10 ESCUTCHEONS3.11 SPECIAL REQUIREMENTS3.12 BUILDING STRUCTURE3.13 PIPING SYSTEM SUPPORTS3.14 ELECTRICAL BONDING AND GROUNDING3.15 SHUTOFF VALVE3.16 CATHODIC PROTECTION3.17
11、TESTING3.17.1 Pressure Tests3.17.2 Pressure Tests for Liquified Petroleum Gas3.17.3 Test With Gas3.17.4 Purging3.17.5 Labor, Materials and Equipment3.18 PIPE COLOR CODE MARKINGSECTION 23 11 25 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- En
12、d of Section Table of Contents -SECTION 23 11 25 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-23 11 25 (November 2008)-Preparing Activity: USACE SupersedingUFGS-23 11 23.00 10 (October 2007)UFGS-23 11 23.
13、00 40 (August 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION 23 11 25FACILITY GAS PIPING11/08*NOTE: This guide specification covers the requirements for low pressure facility gas piping systems conforming to NFPA 54/ANSI Z223.14 NFPA 58 f
14、or non-industrial uses.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 brack
15、ets 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 their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS
16、should be submitted as a Criteria Change Request (CCR).This guide specification includes tailoring options for Natural Gas (NG) and Liquid Petroleum Gas (LPG) facility piping systems. Selection or deselection of a tailoring option (select view-tailoring options) will include or exclude that option i
17、n the section. Specific project editing is still required for the resulting section.*PART 1 GENERAL*NOTE: This guide specification is intended for use when specifying the following facility gas distribution systems:SECTION 23 11 25 Page 4Provided by IHSNot for ResaleNo reproduction or networking per
18、mitted without license from IHS-,-,-low pressure natural gas systems, 34 kPa (5 psi) maximum, except for gas-air mixtures within the flammable range are limited to 69 kPa (10 psi) maximum,low pressure undiluted LPG systems, 140 kPa (20psi) maximum,aboveground steel piping both outside (up to 1.50 me
19、ters (5 feet) beyond exterior walls) and within buildings in compliance with NFPA 54/ANSI Z223.14 NFPA 58, “Fuel Gas Piping“,thermoplastic gas pressure pipe, tubing, and fittings,aluminum and aluminum-alloy drawn seamless tubes,reinforced epoxy resin gas pressure pipe and fittings,for non-industrial
20、 uses.Use Section 33 51 15 NATURAL-GAS / LIQUID PETROLEUM GAS DISTRIBUTION for external utility (beyond 1.50 meters (5 feet) from exterior walls) natural gas distribution liquid petroleum gas (LPG)(includes tailoring for LPG systems).Use Section 33 51 15 NATURAL-GAS / LIQUID PETROLEUM GAS DISTRIBUTI
21、ON contains tailoring for utility metering systems. (The Energy Independence and Security Act (EISA 2007) requires equivalent metering of natural gas and steam in accordance with the guidelines established under the act prior to October 1, 2016.)As a minimum, show the following information on the pr
22、oject drawings:1. Layout and location of piping,2. Location of appurtenances, valves, etc,3. Details of method of mounting piping,4. Capacity of pressure regulators5. Meter location and emergency shut-offs.6. Location and capacity of LP gas containers.*1.1 REFERENCES*NOTE: This paragraph is used to
23、list the publications cited in the text of the guide specification. The publications are referred to in SECTION 23 11 25 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the text by basic designation only and listed in this paragraph by organiza
24、tion, 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 Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References
25、 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 within t
26、he text by the basic designation only.AMERICAN GAS ASSOCIATION (AGA)AGA B109.1 (2000)Diaphragm-Type Gas Displacement Meters (Under 500 cubic ft./hour Capacity)AGA B109.3 (2000)Rotary-Type Gas Displacement MetersAGA XR0603 (2006) AGA Plastic Pipe Manual for Gas ServiceAMERICAN NATIONAL STANDARDS INST
27、ITUTE (ANSI)ANSI Z21.45 (1995) Flexible Connectors of Other Than All-Metal Construction for Gas AppliancesAMERICAN PETROLEUM INSTITUTE (API)API 570 (1998; Addendum 1 2000, Addendum 2 2001, Addendum 3 2003, Addendum 4 2006) Piping Inspection CodeAPI MPMS 2.2A (1995; R 2007) Manual of Petroleum Measur
28、ement Standard Chapter 2 - Tank Calibration Section 2A - Measurement and Calibration of Upright Cylindrical Tanks by the Manual Tank Strapping MethodAPI MPMS 2.2E (2004) Petroleum and Liquid Petroleum Products - Calibration of Horizontal Cylindrical Tanks - Part 1: Manual MethodsAPI RP 1110 (2007) P
29、ressure Testing of Liquid Petroleum PipelinesAPI RP 2003 (2008) Protection Against Ignitions Arising out of Static, Lightning, and Stray CurrentsSECTION 23 11 25 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-API RP 2009 (2002) Safe Welding, C
30、utting, and Hot Work Practices in the Petroleum and Petrochemical IndustriesAPI Spec 15LR (2001) Specification for Low Pressure Fiberglass Line Pipe and FittingsAPI Spec 5CT (2005; Errata 2006; Errata 2006) Specification for Casing and TubingAPI Spec 6D (2008; Errata 2008) Specification for Pipeline
31、 ValvesAPI Std 598 (2004) Valve Inspecting and TestingAPI Std 607 (2005) Fire Test for Soft-Seated Quarter-Turn ValvesAMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)ASCE 25 (2008) Standard for Earthquake-Activated Automatic Gas Shutoff DevicesAMERICAN WELDING SOCIETY (AWS)AWS A5.8/A5.8M (2004; Errata 200
32、4) Specification for Filler Metals for Brazing and Braze WeldingAWS WHB-2.9 (2004) Welding Handbook; Volume Two - Welding ProcessesASME INTERNATIONAL (ASME)ASME A13.1 (2007) Scheme for the Identification of Piping SystemsASME B1.20.1 (1983; R 2006) Pipe Threads, General Purpose (Inch)ASME B16.1 (200
33、5) Standard for Gray Iron Threaded Fittings; Classes 125 and 250ASME B16.11 (2005) Forged Fittings, Socket-Welding and ThreadedASME B16.21 (2005) Nonmetallic Flat Gaskets for Pipe FlangesASME B16.3 (2006) Malleable Iron Threaded Fittings, Classes 150 and 300ASME B16.33 (2002; R 2007) Manually Operat
34、ed Metallic Gas Valves for Use in Gas Piping Systems Up to 125 psi, Sizes NPS 1/2 - NPS 2ASME B16.39 (1998; R 2006) Standard for Malleable Iron Threaded Pipe Unions; Classes 150, 250, and 300SECTION 23 11 25 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
35、rom IHS-,-,-ASME B16.5 (2003) Standard for Pipe Flanges and Flanged Fittings: NPS 1/2 Through NPS 24ASME B16.9 (2007) Standard for Factory-Made Wrought Steel Buttwelding FittingsASME B31.9 (2008) Building Services PipingASME B36.10M (2004) Standard for Welded and Seamless Wrought Steel PipeASME B40.
36、100 (2005) Pressure Gauges and Gauge AttachmentsASME BPVC SEC IX (2007; Addenda 2008) Boiler and Pressure Vessel Code; Section IX, Welding and Brazing QualificationsASME BPVC SEC VIII D1 (2007; Addenda 2008) Boiler and Pressure Vessel Code; Section VIII, Pressure Vessels Division 1 - Basic CoverageA
37、STM INTERNATIONAL (ASTM)ASTM 01.01 (2008) Steel - Piping, Tubing, FittingsASTM A 105/A 105M (2005) Standard Specification for Carbon Steel Forgings for Piping ApplicationsASTM A 181/A 181M (2006) Standard Specification for Carbon Steel Forgings, for General-Purpose PipingASTM A 513 (2008) Standard S
38、pecification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical TubingASTM A 53/A 53M (2007) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessASTM A 666 (2003) Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel She
39、et, Strip, Plate and Flat BarASTM B 210 (2004) Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless TubesASTM B 210M (2005) Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes (Metric)ASTM B 241/B 241M (2002) Standard Specification for Aluminum and Aluminum-A
40、lloy Seamless Pipe and Seamless Extruded TubeASTM B 280 (2008) Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field ServiceSECTION 23 11 25 Page 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASTM B 88 (2003)
41、 Standard Specification for Seamless Copper Water TubeASTM B 88M (2005) Standard Specification for Seamless Copper Water Tube (Metric)ASTM D 2513 (2008a) Thermoplastic Gas Pressure Pipe, Tubing, and FittingsASTM D 2517 (2006) Reinforced Epoxy Resin Gas Pressure Pipe and FittingsASTM F 2015 (2000) St
42、andard Specification for Lap Joint Flange Pipe End ApplicationsCANADIAN STANDARDS ASSOCIATION (CSA)CSA 3.11-CAN/CGA (1988; R 2003) Lever Operated Pressure Lubricated Plug Type Gas Shut-Off ValvesCSA CGA 3.16-M88 (1988; R 2003) Lever Operated Non-Lubricated Gas Shut-Off ValvesCSA CGA 9.2 (1988; R 200
43、3) Manually Operated Shut-Off Valves for Gas Piping Systems - First Edition; General Instruction No 1CSA AMERICA, INC. (CSA/AM)CSA/AM ANSI Z21.1 (2008) Household Cooking Gas AppliancesCSA/AM Z21.15 (1997; R 2003; A 2006) Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hos
44、e End ValvesCSA/AM Z21.18 (2007) Gas Appliance Pressure RegulatorsCSA/AM Z21.21 (2005) Automatic Valves for Gas AppliancesCSA/AM Z21.24 (2006) Connectors for Gas AppliancesCSA/AM Z21.41 (2003; A 2005; Errata 2007) Quick-Disconnect Devices for Use with Gas Fuel AppliancesCSA/AM Z21.69 (2002; Addenda
45、A 2003; Addenda B 2006; R 2007) Connectors for Movable Gas AppliancesCSA/AM Z21.78 (2008) Standard Specification for Combination Gas Controls for Gas AppliancesCSA/AM Z21.80 (2005: R 2008) Line Pressure RegulatorsMANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY (MSS)MSS SP-25
46、 (1998) Standard Marking System for Valves, Fittings, Flanges and UnionsSECTION 23 11 25 Page 9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MSS SP-58 (2002) Standard for Pipe Hangers and Supports - Materials, Design and ManufactureMSS SP-69 (2003; R 2004) Stan
