1、03-10 23 21 13-1 SECTION 23 21 13 HYDRONIC PIPING SPEC WRITER NOTE: 1. Delete between / - / if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. References to pressure in this section are gage pressure unless otherwise no
2、ted. PART 1 - GENERAL 1.1 DESCRIPTION A. Water piping to connect HVAC equipment, including the following: 1. Chilled water, condenser water, heating hot water and drain piping. 2. Extension of domestic water make-up piping. 3. Glycol-water piping. 1.2 RELATED WORK A. Section 01 00 00, GENERAL REQUIR
3、EMENTS. B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. C. Section 31 20 00, EARTH MOVING: Excavation and backfill. D. Section 03 30 00, CAST-IN-PLACE CONCRETE. E. Section 07 12 00, BUILT-UP BITMUMINOUS WATERPROOFING, and Section 07 13 52, MODIFIED BITUMINOUS SHEET WATERPROOFING. F. S
4、ection 33 10 00, WATER UTILITIES: Underground piping. /G. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL COMPONENTS: Seismic restraints for piping./ H. Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION: General mechanical requirements and items, which are commo
5、n to more than one section of Division 23. I. Section 23 21 23, HYDRONIC PUMPS: Pumps. J. Section 23 07 11, HVAC, PLUMBING, and BOILER PLANT INSULATION: Piping insulation. K. Section 23 21 11, BOILER PLANT PIPING SYSTEMS: Boiler piping. L. Section 23 23 00, REFRIGERANT PIPING: Refrigerant piping and
6、 refrigerants. M. Section 23 25 00, HVAC WATER TREATMENT: Water treatment for open and closed systems. N. Section 23 82 00, CONVECTION HEATING AND COOLING UNITS: VAV and CV units, fan coil units, and radiant ceiling panels. O. Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC: Temperature and
7、 pressure sensors and valve operators. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-03-10 23 21 13-2 1.3 QUALITY ASSURANCE A. Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION, which includes welding qualifications. B. Submit pri
8、or to welding of steel piping a certificate of Welders certification. The certificate shall be current and not more than one year old. C. For mechanical pressed sealed fittings, only tools of fitting manufacturer shall be used. D. Mechanical pressed fittings shall be installed by factory trained wor
9、kers. E. All grooved joint couplings, fittings, valves, and specialties shall be the products of a single manufacturer. Grooving tools shall be the same manufacturer as the grooved components. 1. All castings used for coupling housings, fittings, valve bodies, etc., shall be date stamped for quality
10、 assurance and traceability. 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. B. Manufacturers Literature and Data: 1. Pipe and equipment supports. / Submit calculations for variable spring and constant support hangers /. 2. Pipe and tubing, wit
11、h specification, class or type, and schedule. 3. Pipe fittings, including miscellaneous adapters and special fittings. 4. Flanges, gaskets and bolting. 5. Grooved joint couplings and fittings. 6. Valves of all types. 7. Strainers. 8. Flexible connectors for water service. 9. Pipe alignment guides. 1
12、0. Expansion joints. 11. Expansion compensators. 12. All specified hydronic system components. 13. Water flow measuring devices. 14. Gages. 15. Thermometers and test wells. 16. Electric heat tracing systems. /17. Seismic bracing details for piping./ Provided by IHSNot for ResaleNo reproduction or ne
13、tworking permitted without license from IHS-,-,-03-10 23 21 13-3 C. Manufacturers certified data report, Form No. U-1, for ASME pressure vessels: SPEC WRITER NOTE: List all certified pressure vessels. 1. Heat Exchangers (Water to Water) 2. Air separators. 3. Expansion tanks. D. Submit the welders qu
14、alifications in the form of a current (less than one year old) and formal certificate. E. Coordination Drawings: Refer to Article, SUBMITTALS of Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION. F. As-Built Piping Diagrams: Provide drawing as follows for chilled water, condenser w
15、ater, and heating hot water system and other piping systems and equipment. 1. One wall-mounted stick file with complete set of prints. Mount stick file in the chiller plant or control room along with control diagram stick file. 2. One complete set of reproducible drawings. 3. One complete set of dra
16、wings in electronic Autocad and pdf format. 1.5 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. American National Standards Institute, Inc. B. American Soci
17、ety of Mechanical Engineers/American National Standards Institute, Inc. (ASME/ANSI): B1.20.1-83(R2006) Pipe Threads, General Purpose (Inch) B16.4-06 . Gray Iron Threaded FittingsB16.18-01 Cast Copper Alloy Solder joint Pressure fittings B16.23-02 Cast Copper Alloy Solder joint Drainage fittings B40.
18、100-05 . Pressure Gauges and Gauge Attachments C. American National Standards Institute, Inc./Fluid Controls Institute (ANSI/FCI): 70-2-2006 Control Valve Seat Leakage D. American Society of Mechanical Engineers (ASME): B16.1-98 . Cast Iron Pipe Flanges and Flanged Fittings B16.3-2006 . Malleable Ir
19、on Threaded Fittings: Class 150 and 300 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-03-10 23 21 13-4 B16.4-2006 . Gray Iron Threaded Fittings: (Class 125 and 250) B16.5-2003 . Pipe Flanges and Flanged Fittings: NPS through NPS 24 Metric/Inch Stan
20、dard B16.9-07 . Factory Made Wrought Butt Welding Fittings B16.11-05 Forged Fittings, Socket Welding and Threaded B16.18-01 Cast Copper Alloy Solder Joint Pressure Fittings B16.22-01 Wrought Copper and Bronze Solder Joint Pressure Fittings. B16.24-06 Cast Copper Alloy Pipe Flanges and Flanged Fittin
21、gs B16.39-06 Malleable Iron Threaded Pipe Unions B16.42-06 Ductile Iron Pipe Flanges and Flanged Fittings B31.1-08 . Power Piping E. American Society for Testing and Materials (ASTM): A47/A47M-99 (2004) . Ferritic Malleable Iron Castings A53/A53M-07 Standard Specification for Pipe, Steel, Black and
22、Hot-Dipped, Zinc-Coated, Welded and Seamless A106/A106M-08 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service A126-04 Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings A183-03 . Standard Specification for Carbon Steel Track Bolts and
23、 Nuts A216/A216M-08 . Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High Temperature Service A234/A234M-07 . Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service A307-07 . Standard Specification for Carbon Steel Bolts
24、 and Studs, 60,000 PSI Tensile Strength A536-84 (2004) Standard Specification for Ductile Iron Castings A615/A615M-08 . Deformed and Plain Carbon Steel Bars for Concrete Reinforcement Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-03-10 23 21 13-5 A
25、653/A 653M-08 Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvannealed) By the Hot-Dip Process B32-08 Standard Specification for Solder Metal B62-02 Standard Specification for Composition Bronze or Ounce Metal Castings B88-03 Standard Specification for Seamless Copper Water Tube
26、 B209-07 . Aluminum and Aluminum Alloy Sheet and Plate C177-04 Standard Test Method for Steady State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded Hot Plate Apparatus C478-09 . Precast Reinforced Concrete Manhole Sections C533-07 . Calcium Silicate Block and Pipe
27、 Thermal Insulation C552-07 . Cellular Glass Thermal Insulation D3350-08 Polyethylene Plastics Pipe and Fittings Materials C591-08 . Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation D1784-08 Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC)
28、Compound D1785-06 Poly (Vinyl Chloride0 (PVC) Plastic Pipe, Schedules 40, 80 and 120 D2241-05 Poly (Vinyl Chloride) (PVC) Pressure Rated Pipe (SDR Series) F439-06 . Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 F441/F441M-02 . Standard Specifi
29、cation for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80 F477-08 . Elastomeric Seals Gaskets) for Joining Plastic Pipe F. American Water Works Association (AWWA): C110-08 Ductile Iron and Grey Iron Fittings for Water Provided by IHSNot for ResaleNo reproduction or networ
30、king permitted without license from IHS-,-,-03-10 23 21 13-6 C203-02 Coal Tar Protective Coatings and Linings for Steel Water Pipe Lines Enamel and Tape Hot Applied G. American Welding Society (AWS): B2.1-02 Standard Welding Procedure Specification H. Copper Development Association, Inc. (CDA): CDA
31、A4015-06 . Copper Tube Handbook I. Expansion Joint Manufacturers Association, Inc. (EJMA): EMJA-2003 Expansion Joint Manufacturers Association Standards, Ninth Edition J. Manufacturers Standardization Society (MSS) of the Valve and Fitting Industry, Inc.: SP-67-02a Butterfly Valves SP-70-06 . Gray I
32、ron Gate Valves, Flanged and Threaded Ends SP-71-05 . Gray Iron Swing Check Valves, Flanged and Threaded Ends SP-80-08 . Bronze Gate, Globe, Angle and Check Valves SP-85-02 . Cast Iron Globe and Angle Valves, Flanged and Threaded Ends SP-110-96 Ball Valves Threaded, Socket-Welding, Solder Joint, Gro
33、oved and Flared Ends SP-125-00 Gray Iron and Ductile Iron In-line, Spring Loaded, Center-Guided Check Valves K. National Sanitation Foundation/American National Standards Institute, Inc. (NSF/ANSI): 14-06 Plastic Piping System Components and Related Materials 50-2009a . Equipment for Swimming Pools,
34、 Spas, Hot Tubs and other Recreational Water Facilities Evaluation criteria for materials, components, products, equipment and systems for use at recreational water facilities 61-2008 Drinking Water System Components Health Effects Provided by IHSNot for ResaleNo reproduction or networking permitted
35、 without license from IHS-,-,-03-10 23 21 13-7 L. Tubular Exchanger Manufacturers Association: TEMA 9th Edition, 2007 1.6 SPARE PARTS A. For mechanical pressed sealed fittings provide tools required for each pipe size used at the facility. PART 2 - PRODUCTS 2.1 PIPE AND EQUIPMENT SUPPORTS, PIPE SLEE
36、VES, AND WALL AND CEILING PLATES A. Provide in accordance with Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION. 2.2 PIPE AND TUBING A. Chilled Water, Condenser Water, Heating Hot Water, and Glycol-Water / (other than solar) /, and Vent Piping: 1. Steel: ASTM A53 Grade B, seamless
37、 or ERW, Schedule 40. 2. Copper water tube option: ASTM B88, Type K or L, hard drawn. / Soft drawn tubing, 20 mm (3/4 inch) and larger, may be used for runouts routed under slab to floor mounted fan coil units. / B. Extension of Domestic Water Make-up / and All Solar Hot Water / Piping: ASTM B88, Ty
38、pe K or L, hard drawn copper tubing. C. Cooling Coil Condensate Drain Piping: 1. From air handling units: Copper water tube, ASTM B88, Type M, or schedule 40 PVC plastic piping. 2. From fan coil or other terminal units: Copper water tube, ASTM B88, Type L for runouts and Type M for mains. D. Chemica
39、l Feed Piping for Condenser Water Treatment: Chlorinated polyvinyl chloride (CPVC), Schedule 80, ASTM F441. E. Pipe supports, including insulation shields, for above ground piping: Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION. 2.3 FITTINGS FOR STEEL PIPE A. 50 mm (2 inches) an
40、d Smaller: Screwed or welded joints. 1. Butt welding: ASME B16.9 with same wall thickness as connecting piping. 2. Forged steel, socket welding or threaded: ASME B16.11. 3. Screwed: 150 pound malleable iron, ASME B16.3. 125 pound cast iron, ASME B16.4, may be used in lieu of malleable iron. Bushing
41、reduction of a single pipe size, or use of close nipples, is not acceptable. 4. Unions: ASME B16.39. 5. Water hose connection adapter: Brass, pipe thread to 20 mm (3/4 inch) garden hose thread, with hose cap nut. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
42、om IHS-,-,-03-10 23 21 13-8 B. 65 mm (2-1/2 inches) and Larger: Welded or flanged joints. Contractors option: Grooved mechanical couplings and fittings are optional. 1. Butt welding fittings: ASME B16.9 with same wall thickness as connecting piping. Elbows shall be long radius type, unless otherwise
43、 noted. 2. Welding flanges and bolting: ASME B16.5: a. Water service: Weld neck or slip-on, plain face, with 6 mm (1/8 inch) thick full face neoprene gasket suitable for 104 degrees C (220 degrees F). 1) Contractors option: Convoluted, cold formed 150 pound steel flanges, with teflon gaskets, may be
44、 used for water service. b. Flange bolting: Carbon steel machine bolts or studs and nuts, ASTM A307, Grade B. C. Welded Branch and Tap Connections: Forged steel weldolets, or branchlets and threadolets may be used for branch connections up to one pipe size smaller than the main. Forged steel half-co
45、uplings, ASME B16.11 may be used for drain, vent and gage connections. D. Grooved Mechanical Pipe Couplings and Fittings (Contractors Option): Grooved Mechanical Pipe Couplings and Fittings may be used, with cut or roll grooved pipe, in water service up to 110 degrees C (230 degrees F) in lieu of we
46、lded, screwed or flanged connections. All joints must be rigid type. 1. Grooved mechanical couplings: Malleable iron, ASTM A47 or ductile iron, ASTM A536, fabricated in two or more parts, securely held together by two or more track-head, square, or oval-neck bolts, ASTM A449 and A183. 2. Gaskets: Ru
47、bber product recommended by the coupling manufacturer for the intended service. 3. Grooved end fittings: Malleable iron, ASTM A47; ductile iron, ASTM A536; or steel, ASTM A53 or A106, designed to accept grooved mechanical couplings. Tap-in type branch connections are acceptable. 2.4 FITTINGS FOR COP
48、PER TUBING A. Joints: 1. Solder Joints: Joints shall be made up in accordance with recommended practices of the materials applied. Apply 95/5 tin and antimony on all copper piping. 2. Contractors Option: Mechanical press sealed fittings, double pressed type, NSF 50/61 approved, with EPDM (ethylene p
49、ropylene Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-03-10 23 21 13-9 diene monomer) non-toxic synthetic rubber sealing elements for up 65 mm (2-1/2 inch) and below are optional for above ground water piping only. 3. Mechanically formed tee connection in water and drain piping: F
