REG UFGS-23 82 16 00 40-2013 AIR COILS.pdf

1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 82 16.00 40 (May 2013)-Preparing Activity: NASA SupersedingUFGS-23 82 16 (February 2011)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2013*SECTION TABLE OF CONTENTSDIVISION 23 - HEATING, VENTILATING, AND AIR CONDITION

2、INGSECTION 23 82 16.00 40AIR COILS05/13PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 QUALITY ASSURANCEPART 2 PRODUCTS2.1 COMPONENTS2.1.1 Coil Pressure and Temperature Ratings2.1.2 Coil Casings2.1.3 Coil Headers2.1.4 Coil Tubing2.1.5 Coil Circuiting2.1.6 Drainable Coils2.2 COIL TYPES2.2.1 Steam Heati

3、ng2.2.2 Hot-Water Heating2.2.3 Chilled-Water Cooling2.2.4 Volatile Refrigerant CoolingPART 3 EXECUTION3.1 INSTALLATION3.2 TESTS3.3 OPERATION AND MAINTENANCE- End of Section Table of Contents -SECTION 23 82 16.00 40 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without li

4、cense from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-23 82 16.00 40 (May 2013)-Preparing Activity: NASA SupersedingUFGS-23 82 16 (February 2011)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2013*SECTION 23 82 16.00 40AIR COILS05/13*NOTE: This guide speci

5、fication covers the requirements for coils for cold water, hot water, steam, and refrigerant.Adhere to UFC 1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard when editing this guide specification or preparing new project specification sections. Edit this guide specification for

6、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 brackets are present.Comments, suggestions and recommended cha

7、nges for this guide specification are welcome and should be submitted as a Criteria Change Request (CCR).*PART 1 GENERALSection 23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS applies to work specified in this section.1.1 REFERENCES*NOTE: This paragraph is used to list the public

8、ations cited in the text of the guide specification. 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 Referenc

9、e Article to automatically place the reference in the Reference Article. Also use the SECTION 23 82 16.00 40 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Reference Wizards Check Reference feature to update the issue dates.References not used

10、 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 the text b

11、y the basic designation only.AIR-CONDITIONING, HEATING AND REFRIGERATION INSTITUTE (AHRI)AHRI 410 (2001; Addendum 1 2002; Addendum 2 2005; Addendum 3 2011) Forced-Circulation Air-Cooling and Air-Heating CoilsASTM INTERNATIONAL (ASTM)ASTM A653/A653M (2011) Standard Specification for Steel Sheet, Zinc

12、-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process1.2 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.The Guide Specification

13、technical editors have designated those items that require Government approval, due to their complexity or criticality, with a “G.“ Generally, other submittal items can be reviewed by the Contractors Quality Control System. Only add a “G” to an item, if the submittal is sufficiently important or com

14、plex in context of the project.For submittals requiring Government approval on Army projects, use a code of up to three characters within the submittal tags following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“

15、 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“ typically are not used for Navy, Air Force, and NASA projects.Choose the first b

16、racketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.SECTION 23 82 16.00 40 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*Government approval is required for submittals with a “G“ designa

17、tion; submittals not having a “G“ designation are for Contractor Quality Control approval.for information only. When used, a designation following the “G“ designation identifies the office that reviews the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITT

18、AL PROCEDURES:SD-01 Preconstruction SubmittalsRecord of Existing Conditions; G; G, _SD-02 Shop DrawingsFabrication Drawings; G; G, _Connection Diagrams; G; G, _Layout of All Controls; G; G, _Internal Tubing and Wiring; G; G, _ Installation Drawings; G; G, _Record Drawings; G; G, _SD-03 Product DataS

19、team Heating; G; G, _Hot-Water Heating; G; G, _Chilled-Water Cooling; G; G, _Volatile Refrigerant Cooling; G; G, _SD-05 Design DataDesign Analysis and Calculations; G; G, _SD-06 Test ReportsFinal Test Reports; G; G, _SD-07 CertificatesCertificates of Conformance; G; G, _SD-10 Operation and Maintenan

20、ce DataOperation and Maintenance Manuals; G; G, _1.3 QUALITY ASSURANCESubmit a record of existing conditions consisting of the results of a survey of work area conditions and features of existing structures and facilities within and adjacent to the jobsite.SECTION 23 82 16.00 40 Page 4Provided by IH

21、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provide coils that bear the ARI certification seal indicating compliance with AHRI 410. Submit Certificates of Conformance for following items showing conformance with AHRI 410:a. Coilb. Coil casingsc. Coil headersd.

22、 Coil tubinge. Coil circuitingIndicate the general physical layout of all controls, and internal tubing and wiring details on the drawings. Submit design analysis and calculationsfor coils.Submit record drawings for coil systems providing current factual information including deviations from, and am

23、endments to, the drawings and concealed and visible changes in the work.PART 2 PRODUCTSSubmit manufacturers catalog data for the following coil types indicating, when applicable, coil pressure and temperature ratings, coil casings, headers, tubing, circuiting, and drainable coils.a. Steam heatingb.

24、Hot-water heatingc. Chilled-water coolingd. Volatile refrigerant coolingSubmit fabrication drawings for coil units consisting of fabrication and assembly details to be performed in the factory. Include connection diagrams indicating the relations and connections of the following items:a. Coilb. Coil

25、 casingsc. Coil headersd. Coil tubinge. Coil circuiting2.1 COMPONENTS2.1.1 Coil Pressure and Temperature Ratings*NOTE: Delete ratings not applicable to project.*Provide coils designed for the following fluid operating pressures and SECTION 23 82 16.00 40 Page 5Provided by IHSNot for ResaleNo reprodu

26、ction or networking permitted without license from IHS-,-,-temperatures.Service Pressure(kPa)Temperature(Degrees C)Steam - low pressure 175 131Steam - high pressure 1050 186Steam - superheated 2400 260Hot water 1400 121Chilled water 1400 7Volatile refrigerant 1400 149Service Pressure(kPa)Temperature

27、(Degrees C)Steam - low pressure 25 267Steam - high pressure 150 366Steam - superheated 350 500Hot water 200 250Chilled water 200 45Volatile refrigerant 200 300Air-pressure test coils under water at the following minimum pressures:Service Pressure(kPa)Steam 1750Hot water 1750Chilled water 1750Volatil

28、e refrigerant 2800Service Pressure(kPa)Steam 250Hot water 250SECTION 23 82 16.00 40 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Service Pressure(kPa)Chilled water 250Volatile refrigerant 4002.1.2 Coil CasingsProvide coil casing that is mill

29、-galvanized coil casing, 1.6 millimeter 16-gage, minimum. Ensure sheet metal has not less than 380 gram per square meter 1.25-ounces of zinc per square foot of two-sided metal surface conforming to ASTM A653/A653M. Provide a casing flanged on four sides for bolted assembly, except as otherwise speci

30、fied.Where coils are stacked, provide a double-bend construction casing.Provide duct-mounted reheat coil casings not over 900 millimeter 36-inches in length, fabricated from a minimum 1.0 millimeter 20-gage galvanized steel conforming to above specified requirements. Provide casings that are flanged

31、 or suitable for drive-slip assembly.*NOTE: Coordinate clearance with drawings.*Provide coil mounting within the housing that is either fixed or slide-out type, except as otherwise specified. Provide slide-out type coils for ceiling-suspended package units, and for other package units whose capacity

32、 exceeds 7 cubic meter per second 15,000 cubic-feet per minute.2.1.3 Coil Headers*NOTE: Where corrosive-condensate conditions exist, only copper headers are suitable.*Provide coil headers of cast iron brass copper aluminum casting.Provide direct expansion, volatile refrigerant coils that have copper

33、 or brass headers with necessary control connections.Fit steam and water coil headers with DN8 1/4-inch iron pipe size(ips) spring-loaded plug drains and vent petcocks. Provide automatic vents where indicated.2.1.4 Coil TubingInstall coils constructed of copper tubing with aluminum or copper fins. P

34、rovide helical coil fins that are wound tight to the tubes and solder-coated. Provide plate fins that have spacer collars in metallic contact with the adjacent fin. Ensure fins are mechanically bonded to the tube. Ensure bare tube surface is not visible within the finned portion of the coil.Provide

35、solder-coated cooling coils of helical wound copper design.SECTION 23 82 16.00 40 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-For coil tubes in water or volatile refrigerant service, provide tubes that are parallel. Ensure coil tubes have s

36、ufficient intermediate full coil depth supports to prevent sagging of unsupported span due to: working fluid pressures, temperatures, and summer and winter coil-ambient conditions. Sagging is unacceptable if tube centerline is displaced by more than 5 millimeter 3/16-inch from centerline of tube con

37、nection at outlet header when coils are more than two rows deep and when installed in accordance with the manufacturers instructions. Make adequate provision for expansion and contraction that precludes sagging and distortion under thermal loads applied in indicated or specified service. Slope tubes

38、 to be free draining.Provide maximum heating-coil face tube spacing of 75 millimeter 3-inches on center for DN25 1-inch outside-diameter (od) tubes, 50 millimeter 2-inches for DN20 3/4-inch od tubes, and 38 millimeter for DN18 1-1/2-inches for 5/8-inch od tubes.Provide coil face tube spacing for coo

39、ling coils and for helically wound heating coils immediately followed by water-cooling coils that do not exceed38 millimeter 1-1/2-inches on center.Ensure tubes are straight, with turns made through headers or return U-bends, with brazed connections and joints, except as otherwise specified.*NOTE: S

40、elect the following paragraph for standard hot and chilled water and saturated steam conditions.*Ensure coil tube material is seamless deoxidized copper.Ensure coil tube material is seamless 90-10 copper-nickel with 0.89 millimeter 0.035-inch wall thickness for superheated-steam service to 2500 kilo

41、pascal 350-pounds per square inch (psi) at 260 degrees C 500 degrees F or where indicated.*NOTE: Select the following paragraph for low cost installation for steam, hot and chilled water, and DX coils, with the expectation of a long coil life.*Provide raw coil tube stock wall with a minimum thicknes

42、s of 0.64 millimeter0.025-inch.*NOTE: Select the following paragraph for general construction for steam, hot and chilled water and DX coils. Standard copper heavy duty coils with 1.24 millimeter 0.049-inch walls are available.*Provide raw coil tube stock wall with a minimum thickness of 0.89 millime

43、ter0.035-inch.Where mechanical insert devices are used to increase liquid turbulence within tubes, increase the wall thickness of these tubes by 0.25 millimeter 0.010-inch over the minimum raw coil tube stock specified for the service.SECTION 23 82 16.00 40 Page 8Provided by IHSNot for ResaleNo reprod