VA 08 63 00-2011 METAL-FRAMED SKYLIGHTS.pdf

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1、10-11 08 63 00 - 1 SECTION 08 63 00 METAL-FRAMED SKYLIGHTS SPEC WRITER NOTE: Delete between /_/ if not applicable to project. Also delete any other item or Article not applicable in Section and renumber paragraph. PART 1 GENERAL 1.1 DESCRIPTION: Section specifies field erected aluminum framed skylig

2、hts. 1.2 RELATED WORK: A. Field installed joint sealants in connection with metal framed skylights: Section 07 92 00, JOINT SEALANTS. B. Glazing: Section 08 80 00, GLAZING. C. Finish Color: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 QUALITY ASSURANCE: A. Qualifications: 1. Approval is required of

3、products or service of proposed manufacturer, suppliers and installers, and will be based upon submission by Contractor of certification that: a. Manufacturers Qualifications: Manufacturer with five years continuous documented experience in / design / and / fabrication / and / installation / of meta

4、l framed skylights of type and size required for that project. b. Installer Qualifications: An experienced installer with five years continuous documented experience who has specialized in installing metal-framed skylights similar to those indicated for this Project and who is acceptable in writing

5、to manufacturer. c. Manufacturers product submitted has been in satisfactory and efficient use on minimum of three installations similar and equivalent to this project for past three years. d. Testing Agency Qualifications: ISO 9000 Refer to Performance Requirements and Field Quality Control article

6、s for testing requirements. e. Product Options: Information on Drawings and in Specifications establishes requirements for aesthetic effects and performance characteristics of metal-framed skylights. Aesthetic effects are indicated by dimensions, Provided by IHSNot for ResaleNo reproduction or netwo

7、rking permitted without license from IHS-,-,-10-11 08 63 00 - 2 arrangements, alignment, and profiles of components and assemblies as they relate to sightlines, one another, and adjoining construction. Performance characteristics are indicated by criteria subject to verification by one or more metho

8、ds including preconstruction testing, field testing, or in-service performance: 1) Do not modify intended aesthetic effects. If modifications are proposed, submit comprehensive explanatory data for review. f. Welding: Welding shall be performed by certified welders qualified in accordance with AWS D

9、1.2, using procedures, materials and equipment of the type required for this work. SPEC WRITER NOTE: Delete this Article if project size does not warrant a pre-installation conference. /F. Pre-Installation Conference: / / 1. Prior to starting installation of skylight system schedule conference with

10、Contracting Officer to ensure (1) a clear understanding of drawings and specifications; (2) onsite inspection and acceptance of structural and pertinent structural details relating to skylight system; and (3) coordination of work of various trades involved in providing related work. Conference shall

11、 be attended by Contractor; personnel directly responsible for installation of skylight system, flashing and sheet metal work and skylight manufacturer. Conflicts shall be resolved and confirmed in writing. / 1.4 SUBMITTALS: SPEC WRITER NOTE: List below items intended for use in project, necessary f

12、or review prior to manufacture. Refer to Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES for submittal requirements. Include additional submittal requirements for items specified. A. In accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. Provided by IHSNot for Resa

13、leNo reproduction or networking permitted without license from IHS-,-,-10-11 08 63 00 - 3 B. Manufacturers Literature and Product Data: 1. Manufacturers standard details and fabrication methods. 2. Data on finishing, components, and accessories. 3. Instructions: Submit detail specifications and inst

14、ructions for installation, and adjustments. 4. Recommendations for maintenance and cleaning of exterior surfaces. C. Shop Drawings: Show elevations of skylights at 1:50 (1/4 inch) scale, metal gages, details of construction, methods of anchorage, glazing details, and details of installation. 1.5 DEL

15、IVERY, STORAGE, AND HANDLING: A. Refer to AAMA CW 10 for care and handling of architectural aluminum from shop to site. B. Inspect materials delivered to site for damage. Unload and store with minimum handling. Provide storage space in dry location with adequate ventilation, free from dust or water,

16、 and easily accessible for inspection and handling. Stack materials on non-absorptive strips or wood platforms. Do not cover frames with tarps, polyethylene film, or similar coverings. Protect finished surfaces during shipping and handling using manufacturers standard method, except that no coatings

17、 or lacquers shall be applied to surfaces to which caulking and glazing compounds must adhere. 1.6 PROJECT CONDITIONS: Field Measurements: Where metal-framed skylights are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication and ind

18、icate measurements on Shop Drawings. Coordinate fabrication schedule with construction progress to avoid delaying Work. 1.7 APPLICABLE PUBLICATIONS: A. Publications listed below form a part of this specification to extent referenced. Publications are referred to in text by basic designation only. B.

19、 American Architectural Manufacturers Association (AAMA): 501-05 . Methods of Test for Exterior Walls 503-08 . Field Testing of Metal Storefronts, Curtain walls and Sloped Glazing Systems Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 63 00

20、 - 4 2605-11 Superior Performing Organic Coatings on Architectural Aluminum Extrusions and Panels CW 10-04 . Curtain Wall Manual No. 10 Care and Handling of Architectural Aluminum from Shop to Site CW 13-85 . Curtain Wall Manual #13 Structural Sealant Glazing Systems C. American Society for Testing

21、and Materials (ASTM): A36/A36M-08 Carbon Structural Steel A123/A123M-09 Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products A193/A193M-10 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service A307-10 Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength B209-07

22、 Aluminum and Aluminum-Alloy Sheet and Plate B211/B211M-03 Aluminum-Alloy Bar, Rod and Wire B221/B221M-08 Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes B316/B316M-10 Specification for Aluminum and Aluminum-Alloy Rivet and Cold-Heading Wire and Rods C864-05 Dense Elastomeri

23、c Compression Seal Gaskets, Setting Blocks and Spacers C920-11 Elastomeric Joint Sealants E283-04 Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen E330-02(R2010) . Structural Performance of Exterior Windows, C

24、urtain Walls and Doors by Uniform Static Air Pressure Difference E331-00(R2009) . Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 63 00

25、 - 5 E1105-00(R2008) Field Determination of Water Penetration of Installed Exterior Windows, Curtain Walls, and Doors by Uniform or Cyclic Static Air Pressure Differences D. American Welding Society (AWS): D1.2/D1.2M-08 Structural Welding Code-Aluminum E. Glass Association of North America (GANA): 2

26、010 Edition . GANA Glazing Manual 2008 Edition . GANA Sealant Manual 2009 Edition . GANA Laminated Glazing Reference Manual 1999 Edition . GANA Fully Tempered Heavy Glass Door and Entrance Systems Design Guide. F. National Association of Architectural Metal Manufacturers (NAAMM): AMP 500-06 . Metal

27、Finishes Manual G. International Organization for Standardization ISO: ISO 9000 . International Quality Management System Standards and Guidelines 1.9 WARRANTY Warranty metal skylight against leaks, and structural failure, and subject to terms of “Warranty of Construction“, FAR clause 52.246-21, exc

28、ept that warranty period shall be extended to 5 years. PART 2 - PRODUCTS 2.1 SYSTEM DESCRIPTION: A. Design Requirements: 1. System shall meet or exceed all performance requirements specified. 2. Extruded aluminum members with a system of alternate serrations for attachment of exterior caps and glass

29、 supports. 3. Integral guttering system within skylight framing members for positive drainage of condensation. Integral weeping system to drain to exterior. 4. Flush glazed exterior joints as indicated on contract drawings. 5. All structural silicone shall be factory applied. 6. Glazing Requirement:

30、 Refer to Section 08 80 00, GLAZING for glazing requirements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 63 00 - 6 /B. Manufacturers Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in j

31、urisdiction where Project is located and who is experienced in providing engineering services of kind indicated. Engineering services are defined as those performed for installations of skylights that are similar to those indicated for this Project in material, design, and extent. / C. Performance R

32、equirements: 1. Structural Members: Of sizes to support design loads as indicated on structural Contract Drawings and as outlined below. 2. Deflection of framing member in a direction normal to plane of glass when subjected to a uniform load deflection test in accordance with ASTM E330, Procedure B,

33、 and per above specified structural design loads as indicated on structural contract drawings, shall not exceed 1/175 nor 25 mm (1 inch) of its clear span for clear spans less than 6000 mm (20 feet) or 1/240 of clear spans greater than 6000 mm (20 feet). 3. Air Infiltration: When tested in accordanc

34、e with ASTM E283, shall not exceed 0.03 L/S per sqm (0.06 cfm per square foot) / _ / of fixed skylight surface. 4. Water Penetration: No water shall penetrate when skylight is tested in accordance with ASTM E331 at a differential static pressure of 20 percent of inward acting design wind pressure, w

35、ith a minimum of 300Pa (6.24 psf) / _ /. 2.2 MATERIALS: A. Framework: 1. Principle Supporting Members: 3 mm (0.125 inch) minimum thickness extruded aluminum, alloy 6063-T5, 6063-T6, or 6061-T6 per ASTM B221M. Profiles as indicated on Contract Drawings. 2. Snap-on Covers and Miscellaneous Non-support

36、ing Trim: 1.5 mm (0.062 inch) minimum thickness extruded aluminum, alloy 6063-T5 per ASTM B221M. 3. Principle Formed Metal Members: 3 mm (0.125 inch) minimum thickness aluminum, alloy 5052, 5005, or 6061-T6 per ASTM B209M. Provided by IHSNot for ResaleNo reproduction or networking permitted without

37、license from IHS-,-,-10-11 08 63 00 - 7 4. Internal Reinforcement: ASTM A36M, steel shapes as required for strength and mullion size limitations, hot-dip galvanized after fabrication in accordance with ASTM A123. B. Glazing Strips: ASTM C864: 1. Glass and glazing material as specified in Section 08

38、80 00, GLAZING. 2. Extruded EDPM rubber designed to comply with the following specifications: a. Hardness: 55+/-5 Durometer. b. Tensile Strength: 12410 kPa (1800 psi) minimum. c. Elongation: 500 percent minimum. d. Color: Black 3. Heat Aging Characteristics: a. 70 hours at 100 degrees C (212 degrees

39、 F). b. Hardness Change: +5 Durometer. c. Tensile Change: -10 percent d. Elongation Change: -20 percent 4. Weather resistance at 1 part ozone per million, 500 hours at 20% elongation: No cracks. 5. No visual checks, cracks or breaks after completion of tests. C. Setting Blocks: 1. Extruded Type II s

40、ilicone rubber designed to permit adhesion and comply with the following specifications; comply with ASTM C864: a. Hardness: 80+/- Durometer b. Color: Black D. Fasteners: 1. For Exterior Cap Retainers: ASTM A193 B8 300 series stainless steel screws. 2. For Framework Connections: ASTM B211M 2024-T4 a

41、luminum, ASTM A193 B8 300 series stainless steel, and ASTM B316 aluminum rivets, as required by connection. 3. For Anchoring Skylight to Support Structure: ASTM A307 zinc plated steel fasteners. E. Flashings: Comply with Section 07 60 00, FLASHING AND SHEET METAL. SPEC WRITER NOTE: Determine if glas

42、s and glazing will be a part of Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 63 00 - 8 skylight or included under Section 08 80 00, GLAZING. F. Glass: 1. Refer to requirements of Section 08 80 00, GLAZING. 2. Glass Sizes and Clearances: a

43、. Accommodate up to 25 mm (1 inch) glazing. b. Sizes indicated are nominal. Verify actual sizes required by measuring frames. Coordinate dimensions for glass and glass holding members to meet applicable minimum clearances as recommended by glass manufacturer. Do not nip glass to remove flares or to

44、reduce oversized dimensions. All cutting shall occur in factory. 2.3 FABRICATION A. Skylight components shall be of materials and thickness indicated or specified. Details indicated are representative of required design and profiles. Unless specifically indicated or specified otherwise, methods of f

45、abrication and assembly shall be at discretion of manufacturer. Perform fitting and assembling of components in shop to maximum extent practicable. Anchorage devices shall permit adjustment in three directions. There shall be no exposed fasteners. B. Construct skylight(s) using a continuous aluminum

46、 curb with expansion joints as required. C. Insofar as practicable, fit and assemble work in manufacturers shop. Work that cannot be permanently assembled shall be shop-assembled, marked and disassembled before shipment to job site. D. Design rafter bars for snap-in type glazing strips. E. Attach sn

47、ap-on cap retainers using stainless steel fasteners into a system of alternate serrations, at a maximum spacing of 300 mm (12 inches) on center. F. Design snap-on cap retainer fasteners to provide not more than 187 g/mm (10 pounds per linear inch) of compression on glazing strips and glass edge. G.

48、Use snap-on type caps to conceal snap-on cap retainer fasteners. H. Where applicable, shop rivet or weld aluminum clips to framing members or field bolt at installation. I. Set glass with exterior EDPM glazing strips. Provided by IHSNot for ResaleNo reproduction or networking permitted without licen

49、se from IHS-,-,-10-11 08 63 00 - 9 J. Use silicone setting blocks to support glass and to provide edge clearances and glass bites as outlined below, in accordance with GANA recommendations: 1. Set blocks not less than 150 mm (6 inches) from edge of glass for support of unit. 2. Glass Bite: Not less than 13 mm (1/2 inch) no