4600 Series Specifications (Section 08520)

Transcription

1

2 4600 Series Specifications (Section 08520) I. GENERAL: 1.01 Scope of Work A. Furnish all necessary materials, labor, and equipment for the complete installation of aluminum windows for this project as shown on the drawings and herein specified. B. Furnish and install any supplementary or miscellaneous items, devices or material incidental to or necessary for a sound, secure and complete installation, although such work might not be specifically indicated. C. Refer to Division 1 for general requirements RELATED WORK (As Required) 1.03 QUALITY ASSURANCE A. General 1) Provide AAMA/NWWDA 101/I.S.2-97 notice of product certification in full accordance with the following. a) Aluminum Projected Window to be Wojan Series 4600 (insulated glass), P-HC70 2) Test sequence is optional except air infiltration test shall precede water resistance test and uniform load structural test shall be performed at the end of sequence. B) Test Units 1) Perform all tests as listed below in accordance with AAMA/NWWDA 101/I.S C) Test Procedures. 1) Air Infiltration Test Lab Test (If required). a) With window glazed, sash closed and locked, mounted vertically, test in accordance with ASTM E at a static pressure of 6.24 psf (50 mph). Air infiltration shall not exceed maximum 0.16 cfm per lineal foot crack of window assembly (or 0.06 cfm per square foot of window assembly area). 2) Water Resistance Test Lab Test (If Required). a) With window glazed, sash closed and locked, mounted vertically, test in accordance with ASTM E at the static pressure of psf. There shall be no uncontrolled water leakage as defined in ASTM E ) Uniform Load Test Design Wind Load Test a) With window glazed, sash closed and locked, mounted vertically in accordance with ASTM E b) There shall be no glass breakage, permanent damage to fasteners or hardware parts, or damage to make window inoperable when tested at a design load of positive and negative 60 psf. 4) Uniform Load Structural Test Overload Lab Test. a) With window glazed, sash closed and locked, mounted vertically in accordance with ASTM E b) When tested positive and negative 90 psf, there shall no glass breakage, permanent damage to fasteners or hardware parts, damage to make window inoperable, or permanent deformation of any main frame or ventilator section in excess of 0.4% of its unsupported span. 5) Field Test AAMA Procedure (optional) a) Prior to beginning project, install a sample of each type window with all necessary receptors, clips and perimeter caulking. Do not install interior trim until testing is final. b) Perform air infiltration and water infiltration resistance test on all samples in accordance with AAMA Field Test Procedure Record all data and furnish written reports to the Architect, owner and manufacturer Related Sections A. Section Vapor and Air Barriers B. Section Sealants 1.05 References A. AAMA American Architectural Manufacturers Association 1. AAMA/NWWDA 101/I.S.2-97 Voluntary Specification for Aluminum, Vinyl (PVC) and Wood Windows and Glass Doors.

3 2. AAMA , Voluntary Specification for Field Testing of Windows and Sliding Glass Doors 3. AAMA for Pigmented Organic Coating on Extruded Aluminum 4. AAMA , Voluntary Specification for High Performance Organic Coatings on Architectural Aluminum Extrusions and Panels 5. AAMA for Clear Anodic Finishes for Architectural Aluminum 6. AAMA for Color Anodic Finishes for Architectural Aluminum 7. AAMA and Combined Voluntary Specification for Pile Weatherstripping and Voluntary Specification for Replacement Fenestration Weather-seals 8. AAMA , Voluntary Specifications for Ductile Back-Bedding Compound 9. AAMA , Voluntary Specification for Narrow-Joint Seam Sealant 10. AAMA , Voluntary Specification for Ductile Back Bedding Glazing Tapes 11. AAMA , Voluntary Specification for Bonding-Type Back-Bedding Compound 12. AAMA , Voluntary Specification for Bonding-Type Back-Bedding Glazing Tapes 13. AAMA , Voluntary Specification for Oil-Extended Cured Rubber Back-Bedding Glazing Tapes 14. AAMA , Voluntary Specification for Exterior Perimeter Sealing Compound 15. AAMA , Voluntary Specification for Non-Drying Sealant 16. AAMA 902.9, Voluntary Specifications for Sash Balances 17. AAMA , Voluntary Test Method for Thermal Transmittance of Windows, Doors and Glazed Wall Sections 18. AAMA CW-10-82, Care and Handling of Architectural Aluminum from Shop to Site B. ASTM American Society for Testing and Materials 1. ASTM C , Standard Specification for Flat Glass 2. ASTM C , Standard Specification for Heat-Treated Flat Glass Kind HS, Kind FT Coated and Uncoated Glass 3. ASTM E 90-90, Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions 4. ASTM E , Standard Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls and Doors 5. ASTM E , Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls and Doors by Uniform Static Air Pressure Difference 6. ASTM E , Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls and Doors by Uniform Static Air Pressure Difference 7. ASTM E , Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls and Doors by Cyclic Static Air Pressure Differential 8. ASTM E , Specification for Sealed Insulating Glass Units 1.06 System description A. AAMA designation: P-HC70 (Project-In) / P- HC70 (Project-Out) / F-HC70 (Fixed) B. Windows: frame depth; extruded aluminum with integral structural polyurethane thermal break in frame and sash members; equalleg frame integral (nailing fin optional); finish factory-applied; frames and sash factoryassembled. C. Configuration: hopper, awning, casement, fixed D. Glazing: Factory-glazed with 1 insulating glass (1/4 single glazing optional) Performance Requirements A. Conformance to P-HC70 (project-out awning, casement units) specifications in AAMA/ NWWDA 101/I.S.2-97 when tests are performed on the minimum test size set forth therein. B. Design Pressure Rating per AAMA/NWWDA 101/I.S P-HC70 at the prescribed 60 x 36 test size. (Manufacturer to provide test results on request). C. Air Infiltration: per ASTM E283 at test pressure of 1.57 and 6.24 psf. (Manufacturer to provide test results on request). D. Forced Entry Resistance: Shall meet the requirements for ASTM E588 Grade Level 10. E. Water Penetration per ASTM E 547 at test pressure of 15.0 psf. F. Structural Performance per ASTM E330 at test pressure of psf Submittals A. Shop Drawings: The window manufacturer shall submit elevations, floor plans or window location chart; typical window elevations; full size details of composite members, hardware and components not in manufacturer s data; glazing details for factory-glazed units, and complete anchorage and installation details for the architect s approval. B. Product data: manufacturer s specifications, test reports from an AAMA-accredited laboratory,

4 and standard details verifying conformance with specifications. C. Samples: one sample of specified finish for aluminum and other samples as requested by the architect Quality Assurance A. Submit for pre-bid qualification approval ten days prior to the bid opening: 1. One sample window representing the window being bid with color being the only exception. 2. Valid test reports from an AAMA-accredited laboratory-confirming conformance to Paragraph 1.07 test results. B. Submit bids based only on pre-qualified equal as confirmed in a pre-bid written addendum. C. Furnish written documentation that the windows for the project conform to AAMA/ NWWDA 101/I.S D. Furnish visible, permanent IGCC certification labels for the CBA rating level on dual-seal double insulating glass units. E. Manufacturer s warranties 1. Windows: warrant for one year against defects in material or workmanship under normal use. 2. Organic finish conforming to AAMA : upon review and approval by paint supplier of color chosen by architect, warrant for two years against chipping, peeling cracking, blistering, fading or chalking. 3. Dual-seal double insulating glass units: warrant seal for ten years against visual obstruction resulting from film formation or moisture collection between the internal glass surfaces, excluding that caused by breakage or abuse Delivery, Storage and Handling A. Handle windows and accessories in accordance with AAMA CW-10 B. Protect the windows from the elements, construction activities and other hazards until project completion. II. PRODUCTS: 2.01 Acceptable Window Manufacturers A. Windows shall be the 4500/4600 Series as manufactured by Wojan Window and Door Corporation, Coldwater, Michigan. The 4500/4600 Series is an Aluminum Projected Window with thermally improved frame and sash. The specifications and materials for the 4500/4600 Series are as follows: 2.02 Materials A. Aluminum Windows and Components 1. Aluminum shall be of proper alloy for commercial window construction. All extruded sections shall be of 6063-T5 aluminum alloy. 2. Main frame and sash members shall be a nominal thickness as required by AAMA/ NWWDA 101/I.S Mainframe shall be in depth. B. Hardware 1. Hardware such as locking handles, cases, keepers, latches, fasteners, etc. shall be made from material that is corrosion resistant as well as compatible with aluminum and must have proven its strength and suitability for use by being installed on test units referenced in this specification. C. Thermal Break 1. Main frames and sash members are to be extruded aluminum with a structural thermal barrier of high-density low thermal conductivity polyurethane, poured and debridged. D. Weatherstripping 1. Materials Only high quality materials proven to be capable of meeting the environmental exposure and performance requirements shall be used in weather-strip applications. When the following materials are used, they should meet the specifications indicated. 2. Pile weather-strip shall conform to AAMA Weather-strip of closed cell elastomer shall meet ASTM C 509 or AAMA Weather-strip of dense elastomer shall meet ASTM C or AAMA E. Screens 1. Screen frame shall be of hollow aluminum extrusions. Finish shall match the main frames and sash. 2. Insect screening shall be fiberglass or aluminum wire secured with a vinyl spline Fabrication A. General 1. Fabricate and shop assembled frame and sash members into complete windows under responsibility of one manufacturer. 2. No bolts, screws or fastenings to bridge thermal barriers or impair independent frame movement.

5 3. Fabricate to allow for thermal movement of materials when subjected to a temperature differential from 30 degrees F to +180degrees F. B. Frame: Mainframe shall be a mechanically joined construction. Corner joints should be seam sealed with a quality grade of sealant meeting the requirements of AAMA The sash shall be assembled with a corner key at each corner. All screws at joints of mainframe shall be secured into integral screw ports. C. Sash: tubular sash rails with mitered corners that are fastened together with an aluminum corner key; corners are factory-sealed with sealant conforming to AAMA Glass and Glazing Materials A. Construction 1. Insulating glass units shall be 1 overall thickness with two panes of DS or 3/16 glass, separated by an air space for insulation. Air space: aluminum spacer with corner keys and desiccant. Perimeter sealant: polyurethane. 2. All insulating glass units shall meet the requirements of the ASTM E 774 specification, Class A. B. Operable sash 1. Glass in the operable sash shall be factory glazed with pre-shimmed butyl tape on exterior and a wrap around neoprene glazing wedge on the interior. Glazing stops are removable aluminum. 2. Tint: clear or tinted (specify color) 3. Type: annealed, tempered or laminated C. Fixed sash 1. The fixed lite shall be factory glazed with a pre-shimmed butyl tape on the exterior and a wrap around neoprene glazing wedge on the interior. Glazing stops are removable aluminum. 2. Tint: clear or tinted (specify color) 3. Type: annealed, tempered or laminated 4. Coating: none/pyrolytic low-e on #3 surface. D. Performance 1. Seal durability: conformance to ASTM E ; visible permanent IGCC certification label for CBA rating level. 2. Annealed glass lites: conformance to ASTM C Tempered glass lites: conformance to ASTM C Finish A1. Shall be a factory electro-statically applied and baked acrylic enamel finish applied to clean extrusions free from serious visible surface blemishes. A2. Shall be electro-statically deposited clear or color anodic finish for aluminum windows. B1. Coatings shall meet the requirements of AAMA for Pigmented Organic Coating on Extruded Aluminum. B2. Coating shall meet requirements of AAMA and for anodic finishes. C. Color: Standard colors available are Bronze and White, or Clear and Dark Bronze Anodized. D. Custom colors and finishes conforming to AAMA 603.8, 605.2, 607.1, and are available in truckload quantities. III. EXECUTION 3.01 Examination A. Verify that openings are within tolerance, plumb, level, clean, and provide a solid anchoring surface, and are in accordance with approved shop drawings. B. Correct defective openings as required before installation Installation A. Install windows using only skilled mechanics with experience in this trade, in accordance with manufacturer s recommendations and approved shop drawings. B. Provide required support and securely fasten frames. Units shall be installed plumb, level and square without twist or bow. C. Provide thermal isolation where components penetrate or disrupt building insulation. Pack fibrous insulation in shim spaces at assembly perimeter to maintain continuity of the thermal barrier. D. A non-hardening sealant compatible with aluminum shall be provided by the installer and applied in sufficient quantity at joints and intersections to provide a weathertight seal between the window and surrounding construction. Wipe off excess and leave exposed sealant surfaces clean and smooth. E. Remove and legally dispose of existing windows and other materials generated by the installation of the new windows Field Testing A. Conduct on-site tests of installed units in conformance with AAMA for air and water infiltration with representatives from the window manufacturer, contractor and owner or architect present.

6 B. Select test units as directed by the owner s or architect s representative. C. Conduct tests with an AAMA-accredited laboratory provided by the owner, architect or contractor Adjusting and Cleaning A. Adjust frames, sash and hardware after installation, as necessary, to ensure smooth and watertight operation. B. Leave windows clean and free of labels and dirt.

7 Series 4600 Window Elevations Project-Out Awning Project-Out Casement Project-Out Twin Awning Project-Out Twin Awning

8 Series 4600 Project-Out Awning

9 Series 4600 Project-Out Casement

10 Series 4600 Project-Out Center Bar Details