NAVY UFGS-L-15080N-2003 MECHANICAL INSULATION《机械用绝缘系统》.pdf

1、ATLANTIC*NAVFAC UFGS-L-15080N (August 2003)-Preparing Activity: NAVFAC LANT Superceding UFGS-L-15080N (April 2003)UNIFIED FACILITIES GUIDE SPECIFICATIONSUse for LANTNAVFACENGCOM projects onlyRevised throughout - Format changes and reference dates not indicated byCHG tags. Other revisions are indicat

2、ed by CHG tags.*SECTION 15080NMECHANICAL INSULATION08/03*NOTE: This guide specification covers the requirements for field-applied mechanical insulation for mechanical systems including heating, ventilation, and cooling (HVAC) equipment, ducts, and piping which is located within, on, under, and adjac

3、ent to buildings; and for plumbing systems.NOTE: Suggestions for improvement of this specification will be welcomed using the Navy “Change Request Forms“ subdirectory located in SPECSINTACT in Jobs or Masters under “Forms/Documents“ directory or DD Form 1426. Suggestions should be forwarded to:Atlan

4、tic DivisionNaval Facilities Engineering CommandAttention EICO1510 Gilbert StreetNorfolk, VA 23511-2699FAX: (757) 322-4416 or DSN 262-4416Email: LantDivefdlant.navfac.navy.milUse of electronic communication is encouraged.Brackets are used in the text to indicate designer choices or locations where t

5、ext must be supplied by the designer.*PART 1 GENERAL1.1 REFERENCESThe 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.SECTION 15080N Page 1Provided by IHSNot for ResaleNo reproduction

6、 or networking permitted without license from IHS-,-,-ATLANTICASTM INTERNATIONAL (ASTM)ASTM B 209 (2002a) Aluminum and Aluminum-Alloy Sheet and PlateASTM B 209M (2002a) Aluminum and Aluminum-Alloy Sheet and Plate (Metric)ASTM C 1126 (2000) Faced or Unfaced Rigid Cellular Phenolic Thermal InsulationA

7、STM C 1136 (2003) Flexible, Low Permeance Vapor Retarders for Thermal InsulationASTM C 533 (1995; R 2001) Calcium Silicate Block and Pipe Thermal InsulationASTM C 534 (2003) Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular FormASTM C 547 (2003) Mineral Fiber Pipe Insul

8、ationASTM C 552 (2000e1) Cellular Glass Thermal InsulationASTM C 553 (2002) Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial ApplicationsASTM C 591 (2001) Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal InsulationASTM C 612 (2000a) Mineral Fiber Block and Board Therma

9、l InsulationASTM D 1784 (2003) Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) CompoundsASTM E 84 (2003) Surface Burning Characteristics of Building Materials1.2 SYSTEM DESCRIPTIONProvide new and modify existing field-applied mechanical insulation for mechanica

10、l systems and existing insulated mechanical systems affected by the Contractors operations. Mechanical systems include heating, ventilating, and cooling equipment, ducts, and piping which is located within, on, under, and adjacent to buildings; and for plumbing systems. Obtain Contracting Officers w

11、ritten approval of each system before applying field-applied insulation. Provide new asbestos-free insulation materials.1.3 SUBMITTALS*NOTE: Where a “G“ in submittal tags follows a submittal item, it indicates Government approval for SECTION 15080N Page 2Provided by IHSNot for ResaleNo reproduction

12、or networking permitted without license from IHS-,-,-ATLANTICthat item. Add “G“ in submittal tags following any added or existing submittal items deemed sufficiently critical, complex, or aesthetically significant to merit approval by the Government. Submittal items not designated with a “G“ will be

13、 approved by the QC organization.*Submit the following in accordance with Section 01330, “Submittal Procedures.“SD-03 Product DataPiping insulation and jacketDuct insulation and jacketEquipment insulation and jacketBoiler stack insulation and jacketSD-07 CertificatesField Insulation Inspector; GSD-0

14、8 Manufacturers InstructionsPiping insulation/jacket installationDuct insulation/jacket installationEquipment insulation/jacket installationBoiler stack insulation/jacket installationSD-09 Manufacturers Field ReportsPiping insulation/jacket; G1.4 IDENTIFICATION OF NEW ASBESTOS-FREE INSULATION*NOTE:

15、Do not use for new buildings or existing buildings with no asbestos insulation.*Identify new asbestos-free insulation with “ASBESTOS-FREE“ markings spaced at maximum of 6.1 m 20 foot intervals on the insulation jacket. Indicate the limits of new asbestos-free insulation with 51 mm2 inch wide orange

16、bands with attached arrows pointing in the direction of the “ASBESTOS-FREE“ markings.PART 2 PRODUCTS2.1 PIPING INSULATION AND JACKET2.1.1 Mineral Fiber Preformed Pipe InsulationASTM C 547. Provide piping insulation jacket.SECTION 15080N Page 3Provided by IHSNot for ResaleNo reproduction or networkin

17、g permitted without license from IHS-,-,-ATLANTIC2.1.2 Rigid Cellular Phenolic Preformed Pipe InsulationASTM C 1126. Provide piping insulation jacket.2.1.3 Cellular Glass Preformed Pipe InsulationASTM C 552. Provide piping insulation jacket.2.1.4 Flexible Cellular Preformed Pipe InsulationASTM C 534

18、. Piping insulation jacket is not required.2.1.5 Polyisocyanurate InsulationASTM C 591. Provide piping insulation jacket.2.1.6 Piping Insulation JacketProvide manufacturers standard fire-retardant vapor barrier jacket. Jacket shall be suitable for painting. Provide factory prefabricated one-piece PV

19、C insulation covers and mineral fiber insulation inserts of the same thickness as piping insulation for fittings, valves, and flanges.2.1.7 Polyvinylidene Chloride Polymer Film (PVDC)ASTM C 1136. PVDC film may be used in lieu of standard piping insulation jacket. PVDC film provided shall meet or exc

20、eed the permeance of the manufacturers standard jacket2.1.8 Aluminum JacketASTM B 209MASTM B 209, Temper H14, minimum thickness of 0.41 mm 0.016 inch, with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide smooth surface aluminum jackets for insulation outside

21、diameters less than 204 mm 8 inches. Provide corrugated surface aluminum jackets for insulation outside diameters 204 mm 8 inches and larger. Provide stainless steel bands, minimum width of 13 mm 0.5 inch. Provide factory prefabricated aluminum insulation covers for fittings, valves, and flanges.2.1

22、.9 PVC Jacket*NOTE: NOTE: Use bracketed paragraph if project site ambient design wet bulb temperature is below 21 degrees C 70 degrees F for summer design conditions, i.e., a site of low humidity. This jacket may be a Contractors choice that is provided covering mineral fiber piping insulation.*ASTM

23、 D 1784, PVC jacketing, pre-cut and curled, 20 mil thick, white UV-resistant, and flame/smoke rating of 25/50 in accordance with ASTM E 84. All joints and seams shall be solvent welded in accordance with manufacturers recommendations. Tacks and staples will not be allowed.SECTION 15080N Page 4Provid

24、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ATLANTIC2.2 DUCT INSULATION AND JACKET2.2.1 Blanket Mineral Fiber Duct InsulationASTM C 553. Provide duct insulation jacket.2.2.2 Rigid Mineral Fiber Duct InsulationASTM C 612. Provide duct insulation jacket.

25、2.2.3 Duct Insulation JacketProvide manufacturers standard fire-retardant vapor barrier jacket. Jacket shall be suitable for painting.2.2.4 Weatherproof Duct InsulationASTM C 591, rigid cellular polyurethane thermal preformed board insulation; or ASTM C 1126 rigid cellular phenolic thermal preformed

26、 board insulation.2.3 EQUIPMENT INSULATION AND JACKETProvide insulation for pumps, expansion tanks, condensate receivers, converters, and hot domestic water storage tanks.2.3.1 Mineral Fiber Block and Board InsulationASTM C 612, minimum density of 96 kg per cubic meter 6 pcf.2.3.2 Cellular Glass Blo

27、ck and Board InsulationASTM C 552, minimum density of 96 kg per cubic meter 6 pcf.2.3.3 Calcium Silicate Block and Board InsulationASTM C 533.2.3.4 Polyurethane Block and Board InsulationASTM C 591.2.3.5 Phenolic Block and Board InsulationASTM C 1126.2.3.6 Equipment Insulation JacketProvide manufact

28、urers standard fire-retardant vapor barrier jacket. Provide equipment insulation with aluminum jacket or waterproof aluminum pigmented mastic as recommended by the insulation manufacturer.2.4 BOILER STACK INSULATION AND JACKETProvide insulation for hot stacks (vents) within buildings.2.4.1 Mineral F

29、iber Preformed Pipe InsulationASTM C 547, minimum density of 96 kg per cubic meter 6 pcf.SECTION 15080N Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ATLANTIC2.4.2 Calcium Silicate Preformed Pipe InsulationASTM C 533.2.4.3 Aluminum JacketASTM

30、 B 209MASTM B 209, Temper H14, minimum thickness of 0.41 mm 0.016 inch, with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide corrugated surface aluminum jackets. Provide stainless steel bands, minimum width of 13 mm 0.5 inch. Provide factory prefabricated alu

31、minum insulation covers for fittings.PART 3 EXECUTION3.1 INSTALLATION OF MECHANICAL INSULATIONClean exterior of mechanical systems prior to the application of field-applied insulation. Install field-applied insulation in accordance with the manufacturers recommendations and as specified herein. The

32、completed installation shall have a fire hazard rating in accordance with ASTM E 84; flame-spread rating shall not exceed 25 and smoke developed rating shall not exceed 50 except as specified herein; smoke developed rating shall not exceed 150 for polyurethane insulations. Insulation shall be clean

33、and dry when installed and prior to the application of jackets and coatings. Do not use short pieces of insulation materials where a full length section will fit. Provide insulation materials and jackets with smooth and even surfaces, with jackets drawn tight, and smoothly secured on longitudinal la

34、ps and end laps. Insulate fittings and piping accessories with premolded, precut, or field fabricated insulation of the same material and thickness as the adjoining pipe insulation. Provide unions, flanges, and piping accessories with readily removable sections of insulation and jacket. Provide insu

35、lation continuous through pipe hangers, pipe supports, pipe sleeves, wall openings, and ceiling openings, except at fire dampers in duct systems.Provide a complete moisture and vapor seal wherever insulation terminates against hangers, anchors, and other projections through insulation on cold surfac

36、es; fill joints, breaks, punctures, and voids with vapor barrier compound and cover with vapor sealed material. Do not conceal equipment nameplates. Cover ends of exposed insulation with waterproof mastic.3.2 PIPING INSULATIONInstall field-applied insulation in accordance with the manufacturers stan

37、dard published instructions for piping insulation/jacket installation. Instructions shall apply to the particular piping system insulated. Generic generalized instructions shall not be acceptable. Comply with additional requirements specified herein.Provide factory preformed pipe insulation. For ins

38、ulation protection shields; provide rigid pipe insulation of the same thickness as adjacent pipe insulation and having a minimum compressive strength of 241 kPa 35 psi For piping 50 mm 2 inches and smaller, insulation having a minimum density of 112 kg/m3 7 pcf may be provided between the insulation

39、 protection shields and the pipe.SECTION 15080N Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ATLANTICInstall insulation with joints tightly butted. Overlap longitudinal jacket laps not less than 38 mm 1.5 inches. Wrap butt joints with butt s

40、trips not less than 75 mm 3 inches wide of identical materials as jacket. Cement jacket laps and butt strips on both surfaces with fire-resistant, waterproof bonding adhesive or with factory-applied self-sealing system.If vapor barrier jacket is pierced or punctured, brush coat with vapor barrier co

41、ating to provide a vapor-tight covering. If molded or mitered fitting covers are used, join with fire-resistant, waterproof bonding adhesive or wire in place and provide with a smooth coat of finishing cement. For copper tubing sizes one inch and less, pipe insulation for elbows, tees, and valves ma

42、y be mitered.3.2.1 Insulation for Water Piping*NOTE: For jobs located at Cherry Point and Camp LeJeune North Carolina use rigid Cellular phenolic on cold water piping. Choose the second bracketed paragraph in the following paragraph and subparagraphs for these locations. Choose the first bracketed p

43、aragraphs for other locations*Provide mineral fiber preformed pipe insulation for heating hot water piping, hot and cold domestic water piping, roof drain piping, and cold drain piping. Rigid cellular phenolic or polyisocyanurate preformed pipe insulation having an insulating efficiency not less tha

44、n that of the specified thickness of mineral fiber pipe insulation may be provided in lieu of mineral fiber pipe insulation.Provide mineral fiber preformed pipe insulation for heating hot water piping and hot domestic water piping. Provide cellular glass or polyisocyanurate for cold domestic water,

45、roof drain piping, and cold drain piping. Rigid cellular phenolic or polyisocyanurate preformed pipe insulation having an insulating efficiency not less than that of the specified thickness of mineral fiber pipe insulation may be provided in lieu of mineral fiber pipe insulation.3.2.1.1 Heating Hot

46、Water Piping, and Hot and Cold Domestic Water PipingProvide piping sizes less than 76 mm 3 inches with minimum of 25 mm 1 inch thick mineral fiber pipe insulation, except recirculating hot domestic water piping loop shall have minimum of 38 mm 1.5 inch thick mineral fiber pipe insulation. Pipe sizes of 76 and 102 mm 3