ST. VINCENT COLLEGE
SIS AND HERMAN DUPRÉ SCIENCE PAVILION
SECTION 08 51 13 ALUMINUM WINDOWS
PART 1 GENERAL
1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.
1.02 SECTION INCLUDES
A. Aluminum Windows.
B. This section includes the following window types:
1. Fixed windows.
2. Awning windows: top hinged, swing out.
C. Metal sills and metal panning.
1.03 RELATED SECTIONS
A. Related Sections include:
1. Section 03 45 00 – Architectural Pre-Cast; mock-ups.
1. Section 04 20 00 – Masonry; anchors and mock-ups
2. Section 06 10 00 Rough Carpentry; Treated Wood Blocking.
3. Section 04 20 00 Unit Masonry; Brick Window Sills.
4. Section 07 92 00 Joint Sealers; Caulking.
5. Section 08 80 00 Glazing.
1.04 REFERENCES
A. AAMA: American Architectural Manufacturers Association; American National Standard, Voluntary Specifications for Aluminum Prime Window's and Sliding Glass Doors.
1.05 SYSTEM DESCRIPTION
A. Performance and Testing: Except as otherwise indicated, comply with air infiltration tests, water resistance tests, uniform load deflection tests, and uniform load structural tests specified in AAMA/WDMA for type and classification of window units specified for this project.
1. Condensation Resistance: Where window units are indicated to be of "thermalbreak construction", provide units which have been tested for thermal performance in AAMA showing a condensation resistance factor (CRF) of at least 52.
2. Sound Insulation Construction: Fabricate aluminum window units which have been certified to provide a sound transmission class (STC) rating of at least 30 when tested in accordance with ASTM E90 and classified according to ASTM E413.
3. Low Air Infiltration Requirement: Provide reduced construction tolerances and improved weatherstripping, as
required to reduce specified air infiltration test results for operable sash to the following:
a. Maximum Rate: 0.37 cfm per foot (2.06 cu.m/h per m)of operating sash.
4. Structural Performance: Provide aluminum windows capable of withstanding the effects of the following loads, based on testing units representative of those indicated for Project that pass AAMA/WDMA101/I.S.2/NAFS, Uniform Load Structural Test:
5. Design Wind Loads: Determine design wind loads applicable to Project from basic wind speed indicated in miles per hour (meters per second) at 33 feet (10m) above grade, according to ASCE7, Section6.5, "Method 2-Analytical Procedure," based on mean roof heights above grade indicated on Drawings.
a. Basic wind speed at project site is 90 mph; refer to ANSI/ASCE 7-95 "Basic Wind Speed Map".
6. Thermal Movements: Provide aluminum windows, including anchorage, that allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures by preventing buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base engineering calculation on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.
a. Temperature Change (Range): 120 degF (67 degC), ambient; 180 degF (100 degC) material surfaces.
7. Thermal Transmittance: Provide aluminum windows with a whole-window, U-factor maximum indicated at 15-mph (24-km/h) exterior wind velocity and winter condition temperatures when tested according to AAMA1503, ASTME1423 or NFRC100.
a. U-Factor: 0.57 Btu/sq. ft. x h x degF.
1.06 SUBMITTALS
A. Product Data: Submit manufacturer's technical product data, recommendations and standard details for aluminum window units, including certified test laboratory reports as necessary to show compliance with requirements.
B. Shop Drawings: Submit shop drawings, including wall elevations at 1/4 inch scale, typical unit elevations at 3/4 inch scale, and full size detail sections of every typical composite member. Show anchors, hardware, operators, and other components not included in manufacturer's standard data. Include glazing details.
1. Show subframes and mullions.
C. Samples: Submit samples of each required aluminum finish, on 12 inch (304.8mm)long sections of extrusion shapes as required for window units.
1. Architect reserves right to require additional samples which will show fabrication techniques, workmanship of component parts and design of hardware and other exposed auxiliary items.
2. Provide samples of all hardware.
D. Mock-ups: provide a mock-up in conjunction with a typical exterior face brick wall, which shall include a window assembly with pre-cast trim.
1.07 QUALITY ASSURANCE
A. Design Criteria: Drawings indicate sizes, profiles and dimensional requirements of aluminum windows. Window units having minor deviations from dimensions and profiles indicated on drawings may be accepted, provided such deviations do not materially detract from design concept or intended performances and subject to approval of the Architect.
B. Fenestration Standard: Comply with AAMA/WDMA101/I.S.2/NAFS, "North American Fenestration Standard Voluntary Performance Specification for Windows, Skylights and Glass Doors," for definitions and minimum standards of performance, materials, components, accessories, and fabrication. Comply with more stringent requirements if indicated.
1.08 PROJECT CONDITIONS
A. Field Measurements: Verify aluminum window openings by field measurements before fabrication and indicate measurements on Shop Drawings.
B. Established Dimensions: Where field measurements cannot be made without delaying the Work, establish opening dimensions and proceed with fabricating aluminum windows without field measurements. Coordinate wall construction to ensure that actual opening dimensions correspond to established dimensions.
1.09 SPECIAL PROJECT WARRANTY
A. Submit written warranty signed by manufacturer, Installer and Contractor, agreeing to replace aluminum window units which fail in materials or workmanship within 5 years of date of acceptance. Failure of materials or workmanship shall include but not be limited to:
1. excessive water leakage, condensation or air infiltration.
2. excessive deflections.
3. faulty operation of sash.
4. deterioration of finish or metal in excess of normal weathering.
5. defects in hardware.
6. weatherstripping, and other components of work, including thermal and physical integrity of insulated glass units.
7. Faulty operation of movable sash and hardware.
8. Failure to meet performance requirements.
B. Window Verify available warranties and warranty periods for units and components with manufacturers listed in Part2 articles.
Warranty Period: 3 years from date of Substantial Completion.
C. Glazing Verify available warranties and warranty periods for units and components with manufacturers listed in Part2 articles.
Warranty Period: 5 years from date of Substantial Completion.
D. Special Finish Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components that show evidence of deterioration of factory-applied finishes within specified warranty period.
1. Deterioration includes, but is not limited to, the following:
a. Color fading more than 5Hunter units when tested according to ASTMD2244.
b. Chalking in excess of a No.8 rating when tested according to ASTMD4214.
c. Cracking, checking, peeling, or failure of paint to adhere to bare metal.
2. Verify available warranties and warranty periods for units and components with manufacturers listed in Part2 articles.
Warranty Period: 20 years from date of Substantial Completion.
PART 2 PRODUCTS
2.01 MANUFACTURERS
A. EFCO Corporation,a Division of Pella; Monett Missouri, 1-800-221-4169 www.efcocorp.com
B. Kawneer Company, Inc. a Division of Alcoa, Norcross, GA www.alcoa.com/bcs/kawneer (404)-449-5555.
C. Keystone Industries; New Castle, PA 800-648-8341 www.keystone-industries.com
D. Wausau Windows and Walls Systems, Wausau, WI, 1-877-678-2983 www.wausauwindows.com
E. TRACO, Pittsburgh, PA 800-837-7002 www.traco.com (ADD#3)
F. Modu-line, a Division of Vistawall: Wausau, WI 800-972-9110 www.vistawall.com/moduline/default.htm (ADD#7)
2.02 MATERIALS
A. General: Provide window units complying with requirements of AAMA/WDMA 101/I.S.2/NAFS Performance Class HC40 Heavy Commercial Windows.
1. Windows shall have thermal break construction.
2. 2 inch (51mm)frame depth.
3. Windows shall be from the same manufacturer as the curtain wall system.
B. Aluminum: All principle frame, sash, or ventilator window sections shall be of special extruded aluminum shapes produced from Architectural Grade homogenized aluminum primary billet.
1. Frame and sash screen member shall be aluminum alloy 6063T5. All extrusions shall have a nominal wall thickness of 0.125 inches(3.2mm). Glazing beads may be 0.050 inches(12.7mm)thick.
a. Subframes: Minimum 0.062 to 0.125 inches(1.6-3.2mm) thick.
b. Mullions: Minimum 0.125(3.2mm) inches thick.
C. Fasteners: Provide aluminum, nonmagnetic stainless steel, epoxy adhesive, or other materials warranted by the manufacturer to be noncorrosive and compatible with aluminum window members, trim, hardware, anchors and other components of window units.
1. No exposed fasteners permitted.
D. Anchors, clips and window accessories: Fabricate anchors, clips and window accessories of aluminum, nonmagnetic stainless steel or hot dip zinc coated steel or iron complying with the requirements of ASTM B 633; provide sufficient strength to withstand design pressure indicated.
E. Glazing: Interior glazing shall be with aluminum glazing beads of the snapin type and compression wedge of dense elastomer per ASTM C864.
1. Prepare for 1 inch (25mm)thick insulating glass; field installed.
F. Weatherstripping: Shall be a high quality material capable of meeting environmental exposure and performance requirements; manufacturer's standard weatherstripping.
G. Hardware
1. Fixed windows: hardware not required.
2. Awning windows: Windows shall be hinged to the frame with 4-bar hinges containing adjustable brass friction shoes. Ventilator operator shall permit inside cleaning of outside glass face. Hinges shall be concealed when window is closed.
a. Latching handles shall be die-cast white bronze or stainless steel cam action locks, engaging white bronze or stainless steel keepers. No plastic hardware permitted. All ventilators shall have 2 latching handles.
b. Lock: Lifttype cam action lock.
c. Limit Device: Stay bar with an adjustable holdopen device.
d. Handle: standard crank.
3. All hardware shall be attached with stainless steel screws.
2.03 ACCESSORIES
A. Insect Screens:
1. Provide insect screen units for each operable exterior sash or vent.
2. Locate screen units on either the inside or outside of the sash, depending upon window type and location shown.
3. Where possible, design window units and hardware to accommodate screens in a tightfitting removable arrangement, with a minimum of exposed fasteners and latches, and without the necessity of wickets for hardware access.
4. Where wickets are necessary, provide either sliding or hinged type, framed and trimmed for durability during handling, and for a tight fit.
5. Fabricate screen frames of extruded or formed aluminum tubularshaped members of 0.040 inch(1mm) minimum wall thickness, comply with SMA 1004 “Specifications for Aluminum Tubular Frame Screens for Windows, Architectural C-24 Class, with mitered or coped joints and concealed mechanical fasteners.
6. Provide removable PVC splineanchor concealing the edge of the screen frame.
7. Glass-Fiber Mesh Fabric: 18-by-14 (1.1-by-1.4-mm) mesh of PVC-coated, glass-fiber threads; woven and fused to form a fabric mesh resistant to corrosion, shrinkage, stretch, impact damage, and weather deterioration; in the following color. Comply with ASTMD3656.
a. Mesh Color: Charcoal gray.
8. Finish frames to match window units, unless otherwise indicated.
2.04 FINISHES
A. General:
1. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.
2. Protect mechanical finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.
3. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are acceptable if they are within one-half of the range of approved Samples. Noticeable variations in the same piece are not acceptable. Variations in appearance of other components are acceptable if they are within the range of approved Samples and are assembled or
B. Finish: PPG Industries "Duranar" coating system, or approved equal Kynar 500/Hylar 5000 based coating system. AAMA 2605, containing not less than 70% PVDF resin by weight in color coat.
1. Color Range: "Duranar" exotic 2coat system. Color as selected by Architect from full range of available colors.
2. Hardware finish as selected by Architect.
2.05 MISCELLANEOUS METAL TRIM
A. Sills: .090 inch(2.38mm) extended aluminum sills, finish to match window frames.
B. Panning (where shown or required): Interior trim, closures, angles, etc., shall be as specified and of extruded shapes with a minimum wall thickness of .062 inch(1.6mm) and of 6063T5 or 6063T6 alloy and temper. Snapon trim shall be supplied in required lengths and attached with snap clips which are screwed into the jamb window and spaced at a maximum of 18 inches(457mm) apart. On all trim, no exposed screws will be allowed.
1. Finish to match window frame, break all panning before applying finish.
2.06 FABRICATION
A. General: Except to the extent that more specific or stringent requirements are indicated, provide manufacturer's standard fabrication that complies with indicated standards and that produces units that are reglazable without dismantling sash framing. Include a complete system for assembly of components and anchorage of window units, and prepare sash for glazing.
B. Sizes and Profiles: Required sizes for window units and profile requirements are indicated on the drawings.
C. ThermalBreak Construction: Fabricate aluminum window units with an integrally concealed low conductance thermal barrier, located between exterior materials and window members exposed on the contact.
1. Provide thermalbreak construction which has been in use for not less than 3 years, has been tested to demonstrate resistance to thermal conductance and condensation, and has been tested to show adequate strength and security of glass retention.
2. Provide hardware with low conductivity or nonmetallic material for hardware bridging thermal breaks at frame or vent sash.
3. Provide thermal barriers tested according to AAMA505; determine the allowable design shear flow per the appendix in AAMA505.
D. Projected Ventilator: Miter all corners and mechanically stake over solid aluminum corner block minimum 1/4 inch(6.35mm) thick, set and sealed in epoxy leaving hairline joinery then seal weathertight. Joinery methods, must not discolor finish or be unsightly.
E. Frame: Miter or cope all corners and heliarc weld or mortise and tenon each corner then seal weathertight. Joinery methods must not discolor finish or be unsightly.
F. Provide subframes with anchors for window units where shown, of profile and dimensions indicated; extruded aluminum. Miter or cope corners, and weld and dress smooth with concealed mechanical joint fasteners. Finish to match window units.
G. Provide mullions and cover plates where shown, match window units complete with anchors for support to structure and installation of window units. Allow for erection tolerances and provide for movement of window units due to thermal expansion and building deflections. Provide mullions and cover plates capable of withstanding design loads of window units.
H. Provide weepholes and internal water passages to conduct infiltrating water to the exterior.