VA 22 07 11-2011 PLUMBING INSULATION.pdf

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1、05-11 22 07 11 - 1 SECTION 22 07 11 PLUMBING INSULATION 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. References to pressures in this Section are gage pressure unless otherwise

2、noted. 2. Designer Note: This specification has links connected to 0ther documents in VA “Technical Information Library (TIL).” These links provide the designer with easy access to these documents while editing this specification. These links must be deleted before the specification is finalized for

3、 a particular project. To delete these links make sure macros are installed on your system, and if not do the following: Click on Tools. Go to Macro and click on Security. Check the Medium Security Level. Close the specification, if open. Open the specification (again) and follow the prompts on the

4、screen. Click on Enable Macros when first prompt appears. Delete the links only if specification is ready to be included in the project. PART 1 - GENERAL 1.1 DESCRIPTION A. Field applied insulation for thermal efficiency and condensation control for 1. Plumbing piping and equipment. /2. Re-insulatio

5、n of plumbing piping and equipment after asbestos abatement./ B. Definitions 1. ASJ: All service jacket, white finish facing or jacket. 2. Air conditioned space: Space having air temperature and/or humidity controlled by mechanical equipment. 3. Cold: Equipment or piping handling media at design tem

6、perature of 16 degrees C (60 degrees F) or below. 4. Concealed: Piping above ceilings and in chases, /interstitial space, / and pipe spaces. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 2 5. Exposed: Piping and equipment exposed t

7、o view in finished areas including mechanical equipment rooms or exposed to outdoor weather. Shafts, chases, /interstitial spaces, / unfinished attics, crawl spaces and pipe basements are not considered finished areas. 6. FSK: Foil-scrim-kraft facing. 7. Hot: Plumbing equipment or piping handling me

8、dia above 41 degrees C (105 degrees F). 8. Density: kg/m3 - kilograms per cubic meter (Pcf - pounds per cubic foot). 9. Thermal conductance: Heat flow rate through materials. a. Flat surface: Watts per square meter (BTU per hour per square foot). b. Pipe or Cylinder: Watts per square meter (BTU per

9、hour per linear foot). 10. Thermal Conductivity (k): Watt per meter, per degree C (BTU per inch thickness, per hour, per square foot, per degree F temperature difference). 11. Vapor Retarder (Vapor Barrier): A material which retards the transmission (migration) of water vapor. Performance of the vap

10、or retarder is rated in terms of permeance (perms). For the purpose of this specification, vapor retarders shall have a maximum published permeance of 0.1 perms and vapor barriers shall have a maximum published permeance of 0.001 perms. 12. R: Pump recirculation. 13. CW: Cold water. 14. SW: Soft wat

11、er. 15. HW: Hot water. 16. PVDC: Polyvinylidene chloride vapor retarder jacketing, white. 1.2 RELATED WORK / A. Section 02 82 11, TRADITIONAL ASBESTOS ABATEMENT: Insulation containing asbestos material /. / B. Section 02 82 13.13, GLOVEBAG ASBESTOS ABATEMENT: Insulation containing asbestos material

12、/. C. Section 07 84 00, FIRESTOPPING: Mineral fiber and bond breaker behind sealant. / D. Section 11 41 21, WALK-IN COOLERS AND FREEZERS: Insulation used in refrigerators and freezers /. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11

13、- 3 E. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING: General mechanical requirements and items, which are common to more than one section of Division 22. F. Section 22 05 19, METERS AND GAGES FOR PLUMBING PIPING and Section 22 05 23, GENERAL-DUTY VALVES FOR PLUMBING PIPING: Hot and cold water

14、piping. G. Section 26 32 13, ENGINE GENERATORS: Exhaust stacks and muffler. H. Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS. Requirements for commissioning, systems readiness checklists, and training. 1.3 QUALITY ASSURANCE A. Refer to article QUALITY ASSURANCE, in Section 22 05 11, COMMON WOR

15、K RESULTS FOR PLUMBING. B. Criteria: 1. Comply with NFPA 90A, particularly paragraphs 4.3.3.1 through 4.3.3.6, 4.3.10.2.6, and 5.4.6.4, parts of which are quoted as follows: 4.3.3.1 Pipe insulation and coverings, vapor retarder facings, adhesives, fasteners, tapes, unless otherwise provided for in 4

16、.3.3.1.12 or 4.3.3.1.2, shall have, in the form in which they are used, a maximum flame spread index of 25 without evidence of continued progressive combustion and a maximum smoke developed index of 50 when tested in accordance with NFPA 255, Standard Method of Test of Surface Burning Characteristic

17、s of Building Materials. 4.3.3.1.1 Where these products are to be applied with adhesives, they shall be tested with such adhesives applied, or the adhesives used shall have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when in the final dry state. (See 4.2.4.2.) 4.3.3.

18、3 Pipe insulation and coverings shall not flame, glow, smolder, or smoke when tested in accordance with a similar test for pipe covering, ASTM C 411, Standard Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation, at the temperature to which they are exposed in service. 4.3.

19、3.3.1 In no case shall the test temperature be below 121C (250F). 4.3.10.2.6.3 Nonferrous fire sprinkler piping shall be listed as having a maximum peak optical density of 0.5 or less, an average optical density of 0.15 or less, and a maximum flame spread distance of 1.5 m (5 ft) or less when tested

20、 in accordance with UL 1887, Standard for Safety Fire Test of Plastic Sprinkler Pipe for Visible Flame and Smoke Characteristics. 4.3.10.2.6.7 Smoke detectors shall not be required to meet the provisions of this section. 2. Test methods: ASTM E84, UL 723, or NFPA 255. Provided by IHSNot for ResaleNo

21、 reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 4 3. Specified k factors are at 24 degrees C (75 degrees F) mean temperature unless stated otherwise. Where optional thermal insulation material is used, select thickness to provide thermal conductance no greater tha

22、n that for the specified material. For pipe, use insulation manufacturers published heat flow tables. For domestic hot water supply and return, run out insulation and condensation control insulation, no thickness adjustment need be made. 4. All materials shall be compatible and suitable for service

23、temperature, and shall not contribute to corrosion or otherwise attack surface to which applied in either the wet or dry state. /C. Every package or standard container of insulation or accessories delivered to the job site for use must have a manufacturers stamp or label giving the name of the manuf

24、acturer and description of the material. / 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Shop Drawings: 1. All information, clearly presented, shall be included to determine compliance with drawings and specifications and ASTM, federal and

25、 military specifications. a. Insulation materials: Specify each type used and state surface burning characteristics. b. Insulation facings and jackets: Each type used. c. Insulation accessory materials: Each type used. d. Manufacturers installation and fitting fabrication instructions for flexible u

26、nicellular insulation. e. Make reference to applicable specification paragraph numbers for coordination. / C. Samples: 1. Each type of insulation: Minimum size 100 mm (4 inches) square for board/block/ blanket; 150 mm (6 inches) long, full diameter for round types. 2. Each type of facing and jacket:

27、 Minimum size 100 mm (4 inches square). 3. Each accessory material: Minimum 120 ML (4 ounce) liquid container or 120 gram (4 ounce) dry weight for adhesives / cement / mastic. / Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 5 1.5 S

28、TORAGE AND HANDLING OF MATERIAL Store materials in clean and dry environment, pipe covering jackets shall be clean and unmarred. Place adhesives in original containers. Maintain ambient temperatures and conditions as required by printed instructions of manufacturers of adhesives, mastics and finishi

29、ng cements. 1.6 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 basic designation only. B. Federal Specifications (Fed. Spec.): L-P-535E (2)-91 Plastic Sheet (Sheeting): Plastic Strip;

30、 Poly (Vinyl Chloride) and Poly (Vinyl Chloride - Vinyl Acetate), Rigid. C. Military Specifications (Mil. Spec.): MIL-A-3316C (2)-90 . Adhesives, Fire-Resistant, Thermal Insulation MIL-A-24179A (1)-87 Adhesive, Flexible Unicellular-Plastic Thermal Insulation MIL-C-19565C (1)-88 Coating Compounds, Th

31、ermal Insulation, Fire-and Water-Resistant, Vapor-Barrier MIL-C-20079H-87 Cloth, Glass; Tape, Textile Glass; and Thread, Glass and Wire-Reinforced Glass D. American Society for Testing and Materials (ASTM): A167-04 . Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate

32、, Sheet, and Strip B209-07 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate C411-05 Standard test method for Hot-Surface Performance of High-Temperature Thermal Insulation C449-07 Standard Specification for Mineral Fiber Hydraulic-Setting Thermal Insulating and Finishing Cement

33、 C533-09 Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 6 C534-08 . Standard Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation

34、in Sheet and Tubular Form C547-07 . Standard Specification for Mineral Fiber pipe Insulation C552-07 . Standard Specification for Cellular Glass Thermal Insulation C553-08 . Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications C585-09 Standar

35、d Practice for Inner and Outer Diameters of Rigid Thermal Insulation for Nominal Sizes of Pipe and Tubing (NPS System) R (1998) C612-10 . Standard Specification for Mineral Fiber Block and Board Thermal Insulation C1126-10 . Standard Specification for Faced or Unfaced Rigid Cellular Phenolic Thermal

36、 Insulation C1136-10 Standard Specification for Flexible, Low Permeance Vapor Retarders for Thermal Insulation D1668-97a (2006) . Standard Specification for Glass Fabrics (Woven and Treated) for Roofing and Waterproofing E84-10 Standard Test Method for Surface Burning Characteristics of Building Mat

37、erials E119-09C . Standard Test Method for Fire Tests of Building Construction and Materials E136-09 b Standard Test Methods for Behavior of Materials in a Vertical Tube Furnace at 750 degrees C (1380 F) E. National Fire Protection Association (NFPA): 101-09 Life Safety Code 251-06 . Standard method

38、s of Tests of Fire Endurance of Building Construction Materials 255-06 . Standard Method of tests of Surface Burning Characteristics of Building Materials Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 7 F. Underwriters Laboratories

39、, Inc (UL): 723 UL Standard for Safety Test for Surface Burning Characteristics of Building Materials with Revision of 08/03 G. Manufacturers Standardization Society of the Valve and Fitting Industry (MSS): SP58-2002 Pipe Hangers and Supports Materials, Design, and Manufacture PART 2 - PRODUCTS SPEC

40、 WRITE NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and specify only that which applies to the project. 2.1 MINERAL FIBER OR FIBER GLASS A. ASTM C612 (Board, Block), Class 1 or 2, density 48 kg/m3 (3 pcf), k = 0.037 (

41、.26) at 24 degrees C (75 degrees F), external insulation for temperatures up to 204 degrees C (400 degrees F). B. ASTM C553 (Blanket, Flexible) Type I, / Class B-3, Density 16 kg/m3 (1 pcf), k = 0.045 (0.31) / Class B-5, Density 32 kg/m3 (2 pcf), k = 0.04 (0.27) / at 24 degrees C (75 degrees F), for

42、 use at temperatures up to 204 degrees C (400 degrees F) C. ASTM C547 (Pipe Fitting Insulation and Preformed Pipe Insulation), Class 1, k = 0.037 (0.26) at 24 degrees C (75 degrees F), for use at temperatures up to 230 degrees C (450 degrees F)with an all service vapor retarder jacket with polyvinyl

43、 chloride premolded fitting covering. 2.2 Mineral wool or refractory fiber A. Comply with Standard ASTM C612, Class 3, 450 degrees C (850 degrees F). 2.3 RIGID CELLULAR PHENOLIC FOAM A. Preformed (molded) pipe insulation, ASTM C1126, type III, grade 1, k = 0.021(0.15) at 10 degrees C (50 degrees F),

44、 for use at temperatures up to 121 degrees C (250 degrees F) with vapor retarder and all service vapor retarder jacket with polyvinyl chloride premolded fitting covering. B. Equipment Insulation, ASTM C 1126, type II, grade 1, k = 0.021 (0.15) at 10 degrees C (50 degrees F), for use at temperatures

45、up to 121 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-11 22 07 11 - 8 degrees C (250 degrees F) with rigid cellular phenolic insulation and covering, and all service vapor retarder jacket. 2.4 CELLULAR GLASS CLOSED-CELL A. Comply with Standard

46、 ASTM C177, C518, density 120 kg/m3 (7.5 pcf) nominal, k = 0.033 (0.29) at 240 degrees C (75 degrees F). B. Pipe insulation for use at temperatures up to 200 degrees C (400 degrees F) with all service vapor retarder jacket. SPEC WRITER NOTE: Polyisocyanurate insulation does not meet the 50 smoke rat

47、ing and therefore shall not be specified for piping located indoors (only suitable for exterior locations per paragraph 1.3.B). 2.5 POLYISOCYANURATE CLOSED-CELL RIGID A. Preformed (fabricated) pipe insulation, ASTM C591, type IV, K=0.027(0.19) at 24 degrees C (75 degrees F), flame spread not over 25

48、, smoke developed not over 50, for use at temperatures up to 149 degree C (300 degree F) with factory applied PVDC or all service vapor retarder jacket with polyvinyl chloride premolded fitting covers. B. Equipment and duct insulation, ASTM C 591,type IV, K=0.027(0.19) at 24 degrees C (75 degrees F)

49、, for use at temperatures up to 149 degrees C (300 degrees F) with PVDC or all service jacket vapor retarder jacket. 2.6 FLEXIBLE ELASTOMERIC CELLULAR THERMAL ASTM C177, C518, k = 0.039 (0.27) at 24 degrees C (75 degrees F), flame spread not over 25, smoke developed not over 50, for temperatures from minus 4 degrees C (40 degrees F) to 93 degrees C (200 degre