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本文(ARMY UFGS-07 62 10-2009 COPPER SHEET METAL FLASHING《铜板金属泛水》.pdf)为本站会员(周芸)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ARMY UFGS-07 62 10-2009 COPPER SHEET METAL FLASHING《铜板金属泛水》.pdf

1、*USACE / NAVFAC / AFCESA / NASA UFGS-07 62 10 (August 2009)-Preparing Activity: USACE SupersedingUFGS-07 62 10 (April 2004)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2009*SECTION 07 62 10COPPER SHEET METAL FLASHING08/09*NOTE: This guide specification cove

2、rs the requirements for copper sheet metal used as flashing, including gutters and downspouts and for historic structures which require roof repairs.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s)

3、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 specification. A listing of technica

4、l 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).*PART 1 GENERAL*NOTE: Details of sheet metalwork will be shown on project drawings in accordance with the appropriate d

5、etails in the Architectural Sheet Metal Manual of the Sheet Metal and Air Conditioning Contractors National Association, except that the first ply of roofing will not be extended into gutters.*1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specifi

6、cation. The publications are referred to in SECTION 07 62 10 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards

7、 Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference 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 thi

8、s 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 by the basic designation only.ASTM INTERNATIONAL (AS

9、TM)ASTM B 152/B 152M (2006ae1) Standard Specification for Copper Sheet, Strip, Plate, and Rolled BarASTM B 32 (2008) Standard Specification for Solder MetalASTM B 370 (2009) Standard Specification for Copper Sheet and Strip for Building ConstructionASTM C 1136 (2008) Standard Specification for Flexi

10、ble, Low Permeance Vapor Retarders for Thermal InsulationASTM D 226 (2006) Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and WaterproofingASTM D 2822 (2005) Asphalt Roof CementASTM F 547 (2006) Nails for Use with Wood and Wood-Base MaterialsSHEET METAL AND AIR CONDITIONIN

11、G CONTRACTORS NATIONAL ASSOCIATION (SMACNA)SMACNA 1793 (2006) Architectural Sheet Metal Manual, Sixth Edition, Second PrintingU.S. GENERAL SERVICES ADMINISTRATION (GSA)FS A-A-51145 (Rev D) Flux, Soldering, Non-Electronic, Paste and Liquid1.2 SYSTEM DESCRIPTIONa. Perform sheet metalwork to accomplish

12、 weathertight construction. SECTION 07 62 10 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Install the work without waves, warps, buckles, fastening stresses or distortion, allowing for expansion and contraction. Cutting, fitting, drilling, a

13、nd other operations in connection with sheet metal required to accommodate the work of other trades shall be performed by sheet metal mechanics. Exposed edges shall be hemmed. Bottom edges of exposed vertical surfaces shall be angled to form drips. Form flashing into a 3-dimensional configuration, a

14、t the end of a run. to direct water to the outside of the system. Weights and thicknesses of copper flashing shall be as specified in TABLE 1. Install joints as specified in TABLE 2. Provide accessories and other items, essential to complete the sheet metal installation, though not specifically indi

15、cated or specified.b. Installation of sheet metal items used in conjunction with roofing shall be coordinated with roofing work to permit continuous roofing operations. Factory-fabricated components shall be packed in cartons marked with the manufacturers name or trademark printed or embossed at fre

16、quent intervals to permit easy identification. Sheet metalwork pertaining to heating, ventilating, and air conditioning is specified in other sections.*NOTE: Galvanic action between dissimilar metals must be avoided in order to prevent corrosion. In replacing flashing, gutters and other copper sheet

17、 metal items on historic structures, it is often necessary to reuse existing non-copper support or connecting items. Proper insulation between unlike materials will provide protection against galvanic action and subsequent deterioration.*c. Galvanic action between copper and iron or steel shall be a

18、voided by the use of proper insulation. The copper shall be insulated by the following: covering the steel member with insulation; placing strips of sheet lead between the two metals; or by heavily tinning the iron.1.3 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 0

19、0 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are a

20、lready 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 system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval o

21、n 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. SECTION 07 62 10 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Codes for Army projects

22、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“ typically are not used for N

23、avy, 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 for Contractor Quality Co

24、ntrol approval. information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsSheet MetalDrawings showing weights, gaug

25、es, or thickness of sheet metal; type of material; joining, expansion-joint spacing, and fabrication details; and installation procedures. Materials shall not be delivered to the site until after the approved detail drawings have been returned to the Contractor.SD-03 Product DataContractor Quality C

26、ontrolQuality Assurance Plan, including a checklist of points to be observed, prior to start of roofing work.SD-04 SamplesMaterialsSamples of materials proposed for use, upon request.1.4 DELIVERY, STORAGE, AND HANDLINGMaterials shall be adequately packaged and protected during shipment and inspected

27、 for damage, dampness, and wet-storage stains upon delivery to the jobsite. Materials shall be clearly labeled as to type and manufacturer. Sheet metal items shall be carefully handled to avoid damage. Store materials in dry, weathertight, ventilated areas until installation.PART 2 PRODUCTS2.1 MATER

28、IALSProvide materials conforming to the requirements specified below, and those given in TABLE 1. Materials exposed to weather shall be copper. Recyclable materials (building paper, etc.) shall conform to EPA SECTION 07 62 10 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted

29、 without license from IHS-,-,-requirements in conformance with Section 01 62 35 RECYCLED / RECOVERED MATERIALS.2.1.1 Bituminous CementASTM D 2822, Type I.2.1.2 FastenersFasteners shall conform to TABLE 1. Nails shall conform to ASTM F 547 or be as approved. Nails and rivets shall be copper. Screws a

30、nd bolts shall be bronze. Fasteners shall be the best type for the application.2.1.3 FeltASTM D 226, Type II.2.1.4 FluxFS A-A-51145, Type I.2.1.5 Slip SheetBuilding paper meeting the requirements of ASTM C 1136, Type IV, style optional.2.1.6 Sheet MetalASTM B 152/B 152M, ASTM B 370, Light cold-rolle

31、d temper (H00) copper.2.1.7 SolderASTM B 32 Sn50.2.2 SEALANTS AND SEALING COMPOUNDSSealants and sealing compounds are specified in Section 07 92 00 JOINT SEALANTS.PART 3 EXECUTION3.1 EXISTING COPPER SHEET METALExisting, original, historic copper sheet metal elements that are intact and serviceable s

32、hall be salvaged and reused whenever possible. This may include, but is not limited to, gutters, hangers, downspouts, connectors, leader heads, leader straps, basket strainers, splash pans, and other architectural sheet metal elements such as finials, and decorative panels. When work involves repair

33、 and replacement of copper sheet metal elements, new elements shall match existing original elements as closely as possible.3.2 SOLDERING AND SEAMING3.2.1 SolderingEdges of sheet metals, except lead coated material, shall be pretinned before soldering is begun. Soldering shall be done slowly with we

34、ll heated soldering irons to thoroughly heat the seams and completely sweat the solder through the full width of the seam. Edges of lead coated material SECTION 07 62 10 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-to be soldered shall be sc

35、raped or wire-brushed to produce a bright surface, and seams shall have a liberal amount of flux brushed in before soldering is begun. Soldering shall follow immediately after application of the flux. Upon completion of soldering, the acid flux residue shall be thoroughly cleaned from the sheet meta

36、l with a solution of washing soda in water and rinsed with clean water.3.2.2 SeamsFlat-lock and soldered-lap seams shall finish not less than 25 mm 1 inch wide. Unsoldered plain-lap seams shall lap not less than 75 mm 3 inches unless otherwise specified. Flat seams shall be made in the direction of

37、the flow.3.3 COVERING ON MINOR FLAT, PITCHED, OR CURVED SURFACESUnless otherwise indicated, minor flat, pitched, or curved surfaces, such as crickets, bulkheads, dormers, and small decks, shall be covered or flashed with 450 x 600 mm 18 x 24 inch metal sheets and shall be secured with cleats. One pl

38、y of felt covered with 1 ply of slip sheet shall be applied as underlayment on wood surfaces. Two cleats shall be placed on the long side and 1 cleat shall be placed on the short side. Seams shall be locked and soldered.3.4 CLEATSProvide a continuous cleat where indicated or specified to secure loos

39、e edges of the sheet metalwork. Space butt joints approximately 3 mm 1/8 inchapart. Fasten the cleat to the supporting construction with nails evenly spaced not over 300 mm 12 inches on centers. Where the fastening is to be made to concrete or masonry, use screws driven in expansion shields set in c

40、oncrete or masonry. The cleat for fascia anchorage shall be installed to extend below the supporting construction to form a drip and to allow the flashing to be hooked over the lower edge at least 19 mm 3/4 inch. The cleat shall be of sufficient width to provide adequate bearing area to ensure a rig

41、id installation. Where horizontal nailer is vented for insulation and the cleat is placed over masonry or concrete, the cleat shall be installed over 1.6 mm 1/16 inch thick metal washers placed at screws. Washers shall be of metal that is electrolytically compatible with the continuous cleat.3.5 EXP

42、ANSION JOINTSProvide expansion joints at 12.0 meter 40 foot intervals, except that where the distance between the last expansion joint and the end of the continuous run is more than half the required interval spacing, an additional joint shall be provided. Joints shall be evenly spaced.3.6 FLASHINGS

43、3.6.1 GeneralInstall flashings at intersections of roof with vertical surfaces and at projections through roof, except that flashing for heating and plumbing, including piping, roof, and floor drains, and for electrical conduit projections through roof or walls is covered in appropriate sections for

44、 such work. Cap flashings shall be turned around exterior corners of masonry or concrete walls at least 50 mm 2 inches, shall be secured into masonry joints and into concrete with expansion anchors and shall be sealed SECTION 07 62 10 Page 6Provided by IHSNot for ResaleNo reproduction or networking

45、permitted without license from IHS-,-,-with No. 2 or 4 sealing compound. Corner units shall have mitered joints, shall be installed with 75 mm 3 inch lap joint over flashings on each side. Unless otherwise indicated, through-wall flashing shall be terminated13 mm 1/2 inch inside each exposed face of

46、 the wall. Cap flashings shall be provided over base flashings. Perforations in flashings made by masonry anchors shall be covered up by an application of bituminous plastic cement at the perforation. Exposed and unfastened flashings shall have the edge of the strip turned under 13 mm 1/2 inch. Flashing shall be installed on top of joint reinforcement.3.6.2 Base Flash

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