1、*USACE / NAVFAC / AFCESA / NASA UFGS-33 61 14 (February 2010)-Preparing Activity: NAVFAC UFGS-33 61 14 (April 2006)UFGS-02557 (August 2004)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION TABLE OF CONTENTSDIVISION 33 - UTILITIESSECTION 33 61 14EXT
2、ERIOR BURIED PREINSULATED WATER PIPING02/10PART 1 GENERAL1.1 REFERENCES1.2 SYSTEM DESCRIPTION1.3 SUBMITTALS1.4 QUALITY ASSURANCE1.4.1 Certification of Welders QualificationsPART 2 PRODUCTS2.1 BURIED FACTORY-PREFABRICATED PREINSULATED WATER PIPING SYSTEM2.1.1 Factory-Applied Insulation2.1.2 Factory-A
3、pplied Conduit2.1.3 Factory-Applied End Seals2.1.4 Factory-Prefabricated Carrier Piping2.2 CARRIER PIPING2.2.1 Copper Tubing2.2.2 Steel Piping2.2.3 Plastic Reinforced Thermosetting Resin (RTR) Piping2.2.4 Plastic PVC Piping2.3 FLANGED CONNECTIONS2.4 BURIED WARNING AND IDENTIFICATION TAPE2.5 CONCRETE
4、 THRUST BLOCKS2.6 PIPE SLEEVES2.7 ESCUTCHEON PLATESPART 3 EXECUTION3.1 INSTALLATION3.2 FIELD JOINTS3.3 BURIED FACTORY-PREFABRICATED PREINSULATED PIPE INSTALLATION3.4 FIELD QUALITY CONTROL3.5 DISINFECTION- End of Section Table of Contents -SECTION 33 61 14 Page 1Provided by IHSNot for ResaleNo reprod
5、uction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-33 61 14 (February 2010)-Preparing Activity: NAVFAC UFGS-33 61 14 (April 2006)UFGS-02557 (August 2004)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION
6、 33 61 14EXTERIOR BURIED PREINSULATED WATER PIPING02/10*NOTE: This guide specification covers the requirements for exterior buried factory-prefabricated preinsulated water piping system.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracket
7、ed 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 suggestions on this guide specification are welcome and should be directed to the technical proponent of the
8、 specification. A listing of 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: This guide specification includes requirements for hot domestic water pipin
9、g, recirculating hot domestic water piping, chilled water piping, chilled-hot (dual temperature) water piping, and hot water piping from heat exchangers to each building. System design must conform to UFC 3-430-09, “Exterior Mechanical Utility Distribution.“*NOTE: On the drawings, show:1. Configurat
10、ion, slope, and sizes of each piping system;2. Locations and details of expansion loops, thrust SECTION 33 61 14 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-blocks, anchors, and connections between metal flanges and plastic carrier piping;3
11、. Trench cross section, sand bedding, and depth of bury; and4. Detail sections of piping through manholes, walls, floors, entrance to buildings, and watershed to aboveground piping.*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide spec
12、ification. 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 Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the refer
13、ence in the Reference Article. 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 publi
14、cations 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.ASME INTERNATIONAL (ASME)ASME B16.11 (2009) Forged Fittings, Socket-Welding and ThreadedASME B16.18 (2001; R 2005) Cast Copper Alloy Solder
15、Joint Pressure FittingsASME B16.22 (2001; R 2005) Standard for Wrought Copper and Copper Alloy Solder Joint Pressure FittingsASME B16.24 (2006) Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300, 600, 900, 1500, and 2500ASME B16.5 (2009) Standard for Pipe Flanges and Flanged Fitti
16、ngs: NPS 1/2 Through NPS 24SECTION 33 61 14 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.9 (2007) Standard for Factory-Made Wrought Steel Buttwelding FittingsASME B31.1 (2007; Addenda a-2008) Power PipingASTM INTERNATIONAL (ASTM)AST
17、M A 106/A 106M (2008) Standard Specification for Seamless Carbon Steel Pipe for High-Temperature ServiceASTM A 193/A 193M (2009) Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature ServiceASTM A 194/A 194M (2009) Standard Specification for Carbon and All
18、oy Steel Nuts for Bolts for High-Pressure or High-Temperature Service, or BothASTM A 53/A 53M (2007) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessASTM B 32 (2008) Standard Specification for Solder MetalASTM B 88 (2009) Standard Specification for Seaml
19、ess Copper Water TubeASTM B 88M (2005) Standard Specification for Seamless Copper Water Tube (Metric)ASTM D 1330 (2004) Rubber Sheet GasketsASTM D 1784 (2008) Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) CompoundsASTM D 1785 (2006)
20、 Standard Specification for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120ASTM D 229 (2009b) Rigid Sheet and Plate Materials Used for Electrical InsulationASTM D 2466 (2006) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40ASTM D 2564 (2004
21、e1) Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping SystemsASTM D 2996 (2001; R 2007e1) Filament-Wound “Fiberglass“ (Glass-Fiber-Reinforced Thermosetting-Resin) PipeSECTION 33 61 14 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted wi
22、thout license from IHS-,-,-1.2 SYSTEM DESCRIPTION*NOTE: For NAVFAC MID-ATLANTIC projects that use the regional specifications, refer to NAVFAC MID-ATLANTIC regional specification NFGS 23 73 33.00 22 HEATING, VENTILATING AND COOLING SYSTEMS.*Provide new and modify existing exterior buried factory-pre
23、fabricated preinsulated water piping system to the first piping connection aboveground or within each building complete and ready for operation. Piping system includes hot domestic water piping, recirculating hot domestic water piping, chilled water piping, chilled-hot (dual temperature) water pipin
24、g, hot water piping, and related work from heat exchanges to each building. Hot domestic water piping within each building is specified under Section 22 00 00 PLUMBING, GENERAL PURPOSE. Chilled water piping, chilled-hot water piping, and hot water piping within each building is specified under Secti
25、on 23 64 26 CHILLED, CHILLED-HOT, AND WATER PIPING SYSTEMS.1.3 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. Submittals should be kept to the minimum require
26、d for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control syste
27、m. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on 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. C
28、odes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typic
29、ally 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 second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are fo
30、r Contractor Quality Control SECTION 33 61 14 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-approval.for information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Gov
31、ernment. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsFactory-prefabricated preinsulated water piping systemPreinsulated plastic pipe field jointsShow layout of piping system. Drawings must have Professional Engineer Seal.SD-03 Product
32、DataPipe, fittings, and end connectionsFactory-prefabricated preinsulated water piping systemPlastic reinforced thermosetting resin (RTR) pipingSD-07 CertificatesCertification of welders qualificationsSD-08 Manufacturers InstructionsInstallation manual for buried factory-prefabricated preinsulated w
33、ater piping system1.4 QUALITY ASSURANCE1.4.1 Certification of Welders QualificationsSubmit prior to site welding of steel piping; certifications shall be not more than one year old.PART 2 PRODUCTS2.1 BURIED FACTORY-PREFABRICATED PREINSULATED WATER PIPING SYSTEMPiping (pipe, fittings, and end connect
34、ions) system shall be suitable for working pressure of 862 kPag at 121 degrees C 125 psig at 250 degrees F, except plastic polyvinyl chloride (PVC) chilled water piping shall be suitable for working pressure of 862 kPag at 24 degrees C 125 psig at 75 degrees F. Piping system shall withstand H-20 hig
35、hway loading with 600 mm 2 feet of compacted backfill over top of conduit. Mark each section of conduit with fabricators name, product identification, and publications to which the items conform. Provide each section of carrier pipe including factory-applied insulation and conduit, with waterproof c
36、onduit ends at both ends of each section of carrier pipe, except for piping systems which have the field joints insulated and covered with waterproof shrink sleeves.2.1.1 Factory-Applied InsulationPolyurethane or polyisocyanate insulation, minimum density of 27.2 kg per cubic meter 1.7 pcf, rated fo
37、r not less than 121 degrees C 250 degrees F, completely filling space between carrier pipe and conduit.SECTION 33 61 14 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2 Factory-Applied ConduitConduit material, size, and thickness shall be
38、as follows:Minimum MinimumCarrier Pipe Conduit Size Conduit Thickness(mm) (mm) (mm)50 mm 100 mm 1.5 mm75 mm 150 mm 1.5 mm100 mm 200 mm 2.0 mm150 mm 250 mm 2.5 mm200 mm 300 mm 3.0 mm250 mm 350 mm 3.0 mmMinimum MinimumCarrier Pipe Conduit Size Conduit Thickness(Inches) (Inches) (Inches)2 4 0.0603 6 0.
39、0604 8 0.0806 10 0.1008 12 0.12010 14 0.120a. Plastic PVC pipe conduit: ASTM D 1784, Class 12454-B compound extruded seamless PVC plastic pipe.b. Plastic RTR pipe conduit: ASTM D 2996, filament-wound, fiberglass RTR plastic pipe, without liner.c. Plastic RTR factory lay-up conduit: Conduit shall be
40、machine-applied continuous rovings of fiberglass strands saturated with isophthalic polyester or epoxy resin filament wound in helical pattern directly to the outer surface of the pipe insulation. In lieu of minimum conduit size for each size of carrier pipe, provide minimum of 25 mm one inch thick
41、insulation for 50 mm 2 inch carrier pipe and provide minimum of 38 mm 1.5 inchthick insulation for 75 mm 3 inch and larger carrier pipe.2.1.3 Factory-Applied End SealsProvide watertight end seal, or factory lay-up type end seal between carrier pipe and conduit. Provide sufficient surface bonding are
42、a between carrier pipe and conduit to ensure permanent watertight end seal suitable for use with temperature limits of carrier pipe.2.1.4 Factory-Prefabricated Carrier PipingPipe, fittings, flanges, and couplings shall be marked with manufacturers name, product identification, and publication to whi
43、ch items conform. Carrier piping shall be as specified in this section. Buried carrier pipe connections between straight sections of pipe beyond 1.5 m 5 feetexterior of buildings may be manufacturers standard O-ring connections designed to absorb pipe expansion and contraction at working pressure of 862 kPag 125 psig with no leakage. Connections at elbows and tees shall be other than O-ring connections.SECTION 33 61 14 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
