1、*USACE / NAVFAC / AFCESA / NASA UFGS-07 61 01 (August 2009)-Preparing Activity: USACE SupersedingUFGS-07 61 01 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2009*SECTION 07 61 01COPPER ROOF SYSTEM08/09*NOTE: This guide specification covers the re
2、quirements for copper roof system applied to solid roof decking.Edit this guide specification for 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
3、 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 technical proponents, including their organization designation and telephone number, is on th
4、e Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL*NOTE: This guide specification will be used in the preparation of project specifications for flat-seam, standing-seam, batten-seam, or custom-design type copper roofing installed over a su
5、bstrate. The structural adequacy of the supporting system will be established prior to design of copper roof system.Drawings will show scope of sheet metalwork and structural framing system, including type of decking and blocking, type of fire-retardant materials (if used), type and details of seams
6、, and design requirements. When this specification is used for onsite fabricated copper roof, the Contractor may not be able to verify performance criteria such as wind uplift. In such cases, drawing details of SECTION 07 61 01 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitt
7、ed without license from IHS-,-,-proven reliability and SMACNA recommended guidelines should be used and specified.Copper roof systems in cold climates subjected to high snow accumulation must include snow guards, steep slopes (generally 6 on 12), and other approved details.*1.1 REFERENCES*NOTE: This
8、 paragraph is used to list the publications 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
9、 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 this section of the project specification
10、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 (ASTM)ASTM B 32 (2008) Standard Specificat
11、ion for Solder MetalASTM B 370 (2009) Standard Specification for Copper Sheet and Strip for Building ConstructionASTM D 226 (2006) Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and WaterproofingASTM D 4397 (2009) Standard Specification for Polyethylene Sheeting for Constr
12、uction, Industrial, and Agricultural ApplicationsASTM E 72 (2005) Conducting Strength Tests of Panels for Building ConstructionCOPPER DEVELOPMENT ASSOCIATION (CDA)CDA 4115 (online) Copper in ArchitectureSECTION 07 61 01 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted witho
13、ut license from IHS-,-,-1.2 DESIGN REQUIREMENTSCopper shall be formed to provide proper installation of elastomeric sealants. Form expansion joints of intermeshing hooked flanges not less than 25 mm 1 inch deep in accordance with CDA 4115.1.2.1 Wind Uplift Loads*NOTE: Select the basic wind speed val
14、ue from UFC 3-310-01. The importance and exposure factors will be obtained from ASCE 7-05.*The design uplift pressures for the roof system shall be computed and applied using a basic wind speed of _ km miles per hour (fastest km mile), an importance factor of _, and an exposure factor of _. The desi
15、gn uplift force for each connection assembly shall be that pressure given for the area under consideration, multiplied by the tributary load area of the connection assembly, and multiplied by the appropriate factor of safety, as follows:a. Single fastener in each connection .3.0b. Two or more fasten
16、ers in each connection .2.251.2.2 Panel and Clip DesignPanel and clip strength characteristics such as panel buckling strength, panel stiffness, side joint strength and clip/side joint shall meet requirements of ASTM E 72. For the clip-to-substrate fastener selection, incorporate a safety factor of
17、3.0 based on ultimate pull-out strength. Selection shall consider the pry effect which the outstanding leg of clip exerts on the fastener. Design end-laps for thermal movement. Use concealed anchor clips.1.2.3 Provisions for Expansion*NOTE: Select appropriate temperature range based on effects of di
18、rect sun and general climatic conditions of the project site.*Copper roof panels shall be free to move in response to the expansion and contraction forces resulting from a total 110 _ degrees C 200 _ degrees F temperature range during the life of the structure.1.3 SUBMITTALS*NOTE: Review submittal d
19、escription (SD) definitions in Section 01 33 00 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 requi
20、res Government approval. Some SECTION 07 61 01 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractor
21、s 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 on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the
22、 approving authority. Codes for Army projects 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
23、following the “G“ typically are not used for Navy, 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
24、 “G“ designation are for Contractor Quality Control 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 Dra
25、wingsCopper Roof System; G; G, _Design and erection drawings containing data necessary to clearly describe design, materials, sizes, layouts, seam configuration, construction details, provisions for thermal movement, line of panels, fastener sizes and spacings, sealants and installation procedures.S
26、D-03 Product DataSealantDescriptive information.QualificationsQualifications of the manufacturer, installer, and field representative.SD-04 SamplesAccessories; G; G, _One sample of each type of flashing, trim, closure, cap and similar items. Size shall be sufficient to show construction and SECTION
27、07 61 01 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-configuration.Roof PanelsOne piece 225 mm 9 inches long, full width.Fasteners; G; G, _Two samples of each type to be used, with statement regarding intended use. If so requested, random s
28、amples of each type of fastener, as delivered to the project site shall be taken in the presence of the Contracting Officer and provided to the Contracting Officer.Concealed anchor clips; G; G, _Two samples of each type.SD-06 Test ReportsField Testing; G; G, _Test reports for uplift resistance of th
29、e copper roof system.SD-07 CertificatesCopper Roof SystemCertification that materials used in the copper roof system meet specified requirements.1.4 QUALITY ASSURANCESubmit Qualifications for the following, as specified:1.4.1 ManufacturerCopper roof system shall be the product of a recognized copper
30、 roof system manufacturer who has been in the practice of manufacturing copper roof systems for a period of not less than 10 _ years and has been involved in at least 5 projects similar in size and complexity to this project.1.4.2 InstallerThe installer shall be skilled in the installation of the ty
31、pe of copper roof system required for this project, shall have a minimum of 10 _ years of experience, and shall have been involved in installing at least 3 projects that are of comparable size, scope and complexity as this project for the particular roof system furnished.1.4.3 Manufacturers Represen
32、tativeA representative of the copper roof system manufacturer, who is familiar with the design of the roof system supplied and experienced in the erection of roof systems similar in size to the one required under this contract, shall be present at the project site during installation of the copper r
33、oof to ensure that the roof system meets the contract requirements.SECTION 07 61 01 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.4.4 Mock-Ups*NOTE: Complexity of work and scope of quality control should be carefully evaluated before requir
34、ing Contractor to construct a mock-up. Delete paragraph if mock-up is not required.*Before proceeding with final purchase of materials and fabrication of copper roofing components, construct a mock-up of the work at the site in the size and location directed, including at least one example of each c
35、ritical detail (ridge, hip, valley, etc.) as required in the project. The approved mock-up will establish the minimum standard of quality required for copper roofing work.1.5 DELIVERY, STORAGE AND HANDLINGDeliver materials to the project site in a dry and undamaged condition and stored them out of c
36、ontact with the ground. Materials shall be covered with weathertight coverings and kept dry. Storage accommodations for materials shall provide good air circulation and protection from twisting, bending, abrasion, discoloration or staining.1.6 WARRANTYWarrant the copper roofing installation for a pe
37、riod of 20 years against blow-off and leakage arising out of or caused by ordinary wear and tear by the elements. A sign shall be permanently attached to the building at the most likely roof access point advising of the existence of the warranty. The warranty shall start upon final acceptance of the
38、 work or the date the Government takes possession, whichever is earlier. The warranty shall guarantee that the design, detailing, materials, and accessories used for roofing work are approved by the roofing manufacturer and installed in accordance with specifications, drawings and other documents ap
39、proved by manufacturer prior to installation.PART 2 PRODUCTS2.1 ROOF PANELSRoofing sheets shall be cold-rolled copper sheets conforming to ASTM B 370 temper designation, H00, minimum 4.9 kg per square meter 16 ounces per square foot containing 99.9 percent copper. Copper roof panels shall be factory
40、-fabricated in accordance with approved drawings and CDA 4115 recommendations. Form sections true to shape in the longest practical lengths, accurate in size and free of distortion and defects. Exposed edges shall be hemmed on underside. Fabricate exposed copper work without excessive oil-canning, b
41、uckling, and tool marks.2.2 ACCESSORIESFactory fabricate components required for a complete roofing system, including trim, copings, fascias, corner units, ridge closures, clips, gutters, closure strips, and similar items. Clip bases shall have factory punched or drilled holes for attachment. Clips
42、used with panel width greater than 305 mm 12 inches shall be made from multiple pieces with the allowance for the total thermal movement required to take place within the clip. Provide cleats which are interlockable with the SECTION 07 61 01 Page 6Provided by IHSNot for ResaleNo reproduction or netw
43、orking permitted without license from IHS-,-,-panels and of type and size to meet design requirements. Accessories shall be fabricated of type and thickness of sheet copper complying with CDA 4115.2.3 SOLDER AND FLUXCopper solder shall conform to ASTM B 32. Flux shall be rosin, muriatic acid neutral
44、ized with zinc or an approved soldering paste.2.4 SLIP SHEETSSlip sheets shall be smooth rosin-sized unsaturated building paper weighing a minimum of 295 grams per square meter 6 pounds per 100 square feet. Sheets shall be attached with approved fasteners. Slip sheets shall be applied over vapor retarder, where applicable.2.5 VAPOR RETARDER*NOTE: Vapor retarder requirements will be shown on the drawings when required for local climatic conditions. In northern climates, where ice and snow are
