18 ALLUMINUM 18.1 GENERAL

18 ALLUMINUM

18.1 GENERAL

18.1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions Specification Sections, apply to this Section.

18.1.2 SUMMARY

A. Aluminum louvers on exterior wall which is above the window. B. Aluminum windows for exterior locations C. Decorative Aluminum plate for roof gutter 18.1.3 Applicable standard

A. ASTM - American Society of Testing and Materials ASCE7-10 load code for the design of building structures AISC 360 10 steel structure design specification ASTM E1300-16 standard of architectural glass ASTM B 221-05 tooth, rod, wire, aluminum and aluminum alloy extrusion profile, pipe standards ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate. ASTM E547-00(2009) Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference ASTM E2068-00(2008) Standard Test Method for Determination of Operating Force of Sliding Windows and Doors ASTM E330/E330M-14 Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference ASTM E283-04 Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen ASTM E331-00 uniform static pressure difference method is used to testoutside the window, curtain wall and door water penetration test method B. ANSI - American National Standards Institute, Inc. Z97.1 Performance Specification and Methods of Test for Safety Glazing Material Used in Buildings C. NFPA - National Fire Protection Association

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18.1.4 SUBMITTALS

A. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. fastening and anchoring requirements.

B. Shop Drawings: Indicate aluminum frame and louver layout plan and elevations, opening and clearance dimensions, tolerances; head, jamb and sill details, screens, blankout areas required, including anchor, flashing, and sealant installation.

C. Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns, Include similar Samples of hardware and accessories involving color selection.

D. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.

E. Manufacturer's Certificates: Certify products meet or exceed specified requirements.

F. Product Schedule: For aluminum windows. designations indicated on Drawings.

Use same

18.1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For manufacturer and Installer. B. Product Test Reports: For each type of aluminum window, for tests

performed by a qualified testing agency. C. Field quality-control reports. D. Sample Warranties: For manufacturer's warranties. 18.1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: Company specializing in manufacturing Products specified in this section with minimum three years documented experience.

B. Installer Qualifications: An installer acceptable to aluminum window manufacturer for installation of units required for this Project.

C. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.

1. Finish areas designated by Architect.

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2. Do not proceed with remaining work until workmanship is approved by Architect.

3. Refinish mock-up area as required to produce acceptable work. 18.1.7 DELIVERY, STORAGE, AND HANDLING

A. Store products in manufacturer's unopened packaging until ready for installation.

B. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

18.1.8 SEQUENCING;

A. Ensure that locating templates and other information required for installation of products of this section are furnished to affected trades in time to prevent interruption of construction progress

B. Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.

18.1.9 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits

18.1.10 WARRANTY

A. Manufacturer's Warranty: Manufacturer agrees to repair or replace aluminum windows that fail in materials or workmanship within specified warranty period.Failures include, but are not limited to, the following: 1. Failure to meet performance requirements. 2. Structural failures including excessive deflection, water leakage, condensation, and air infiltration. 3. Faulty operation of movable sash and hardware. 4. Deterioration of materials and finishes beyond normal weathering. 5. Failure of insulating glass.

B. Warranty Period: 1. Window: [10] years from date of Substantial Completion. 2. Glazing Units [20] years from date of Substantial Completion. 3. Aluminum Finish: [20] years from date of Substantial Completion.

18.2 PRODUCTS

18.2.1 MANUFACTURERS

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A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work.

B. Source Limitations: Obtain aluminum windows from single source from single manufacturer.

18.2.2 WINDOW PERFORMANCE REQUIREMENTS

A. Windows Product Standard: Comply with AAMA/WDMA/CSA 101/I.S.2/A440 for definitions and minimum standards of performance, materials, components, accessories, and fabrication unless more stringent requirements are indicated.

1. Window Certification: AMMA or equal agency certified with label attached to each window.

B. Performance Class and Grade: AAMA/WDMA/CSA 101/I.S.2/A440 as follows:

1. Minimum Performance Class: [CW]

2. Minimum Performance Grade: [45]

C. Thermal Transmittance: NFRC 100 maximum whole-window U-factor of [2.0 W/sq. m x K].

D. Solar Heat-Gain Coefficient (SHGC): NFRC 200 maximum whole-window SHGC of [0.30].

E. Condensation-Resistance Factor (CRF): Provide aluminum windows tested for thermal performance according to AAMA 1503, showing a CRF of [52].

F. 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.

1. Temperature Change: 67 deg C, ambient; 100 deg C material surfaces

G. Sound Transmission Class (STC): Rated for not less than [30] STC when tested for laboratory sound transmission loss according to ASTM E 90 and determined by ASTM E 413.

H. Outside-Inside Transmission Class (OITC): Rated for not less than [30] OITC when tested for laboratory sound transmission loss according to ASTM E 90 and determined by ASTM E 1332.

I. Windborne-Debris Resistance: Capable of resisting impact from windborne debris based on testing glazed windows identical to those

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specified, according to ASTM E 1886 and testing information in ASTM E 1996 and requirements of authorities having jurisdiction. 18.2.3 Decorative Aluminum plate for roof gutter requirement

A. Thickness: 2.5mm Aluminum plate B. Cover: not less than 40 microns fluorine carbon spraying C. Joist: 25*50*2.5 galvanized square steel D. Joist cover: not less than 55 microns galvanization 18.2.4 MATERIALS

A. Aluminum frames and sashes of windows 1. Aluminum extrusions complying with AAMA/WDMA/CSA 101/I.S.2/A440. 2. Thermally Improved Construction: Fabricate frames, sashes, and muntins with an integral, concealed, low-conductance thermal barrier located between exterior materials and window members exposed on interior side in a manner that eliminates direct metal-to-metal contact.

B. Aluminum louver at terminal building 1. Rectangle Gable Louver/Vent: 2. Material:3 mm aluminum 3. Internal frame: Aluminum . 4. Mounting Flange: Standard nailing flange 5. Finish: fluorocarbon coatings

C. Aluminum louver at DGR&FPS 1. Rectangle Gable Louver/Vent: 2. Material:3 mm aluminum 3. Internal frame: Aluminum . 4. Mounting Flange: Standard nailing flange 5. Finish: fluorocarbon coatings 6. Set insect screens behind the louver

D. Hardware, General: Provide manufacturer's standard hardware fabricated from aluminum, stainless steel, carbon steel complying with AAMA 907, or other corrosion-resistant material compatible with adjacent materials; designed to smoothly operate, tightly close, and securely lock windows, and sized to accommodate sash weight and dimensions. Exposed Hardware Color and Finish: As selected by Architect from manufacturer's full range.

E. Projected Window Hardware:

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1. Gear-Type Rotary Operators: Complying with AAMA 901 when tested according to ASTM E 405, Method A. Provide operators that function without requiring the removal of interior screens or using screen wickets.

a. Type and Style: As selected by Architect from manufacturer's full range of types and styles.

2. Hinges: Non-friction type, not less than two per sash.

3. Lock: Lift-type throw, cam-action lock with keeper. Lever handle and cam-action lock with keeper. Dual lever handles, tie rod, and cam-action lock with keepers. Key-operated custodial lock with keeper and removable handle. Concealed multipoint lock operated by single lever handle or lift-type throw.

4. Limit Devices: Concealed friction adjustor, adjustable stay bar. Concealed support arms with adjustable, limited, hold-open limit devices designed to restrict sash opening.

a. Limit clear opening to [100 mm] for ventilation; with custodial key release.

5. Pole Operators: Tubular-shaped anodized aluminum; with rubber-capped lower end and standard push-pull hook at top to match hardware design; of sufficient length to operate window without reaching more than 1500 mm above floor; one pole operator and pole hanger per room that has operable windows more than 1800 mm above floor.

F. Horizontal-Sliding Window Hardware:

1. Sill Cap/Track: Extruded-aluminum track with natural anodized finish, of dimensions and profile indicated; designed to comply with performance requirements indicated and to drain to the exterior.

2. Locks and Latches: Allow unobstructed movement of the sash across adjacent sash in direction indicated and operated from the inside only. Provide custodial locks.

3. Roller Assemblies: Low-friction design.

G. Weather Stripping: Provide full-perimeter weather stripping for each operable sash unless otherwise indicated.

H. Fasteners: Noncorrosive and compatible with window members, trim, hardware, anchors, and other components.

1. Exposed Fasteners: Do not use exposed fasteners to the greatest extent possible. For application of hardware, use fasteners that match finish hardware being fastened.

18.2.5 ACCESSORIES

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A. Horizontal Louver Blinds: Provide manufacturer's standard, removable, horizontal louver blinds with aluminum slats and polyester fiber cords that are operated by hardware located on inside face of sash.

1. Operation: Tilt, raising, and lowering. 2. Color: As selected by Architect from manufacturer's full range. B. Subsills: Thermally broken, extruded-aluminum subsills in configurations indicated on Shop Drawings.

18.2.6 INSECT SCREENS

A. General: Fabricate insect screens to integrate with window frame. Provide screen for each operable exterior sash. Screen wickets are not permitted.

B. Aluminum Frames: Manufacturer's standard aluminum alloy complying with SMA 1004 or SMA 1201. Fabricate frames with mitered or coped joints or corner extrusions, concealed fasteners, and removable PVC spline/anchor concealing edge of frame. Tubular Framing Sections and Cross Braces: Roll formed from aluminum sheet.

C. Glass-Fiber Mesh Fabric: [0.85-by-0.85-mm or 0.85-by-0.42-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. Comply with ASTM D 3656. Mesh Color: Manufacturer's standard.

18.2.7 FABRICATION

A. Fabricate aluminum windows in sizes indicated. Include a complete system for assembling components and anchoring windows.

B. Glaze aluminum windows in the factory.

C. Weather strip each operable sash to provide weathertight installation.

D. Weep Holes: Provide weep holes and internal passages to conduct infiltrating water to exterior.

E. Provide water-shed members above side-hinged sashes and similar lines of natural water penetration.

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F. Mullions: Provide mullions and cover plates, matching 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, as indicated. Provide mullions and cover plates capable of withstanding design wind loads of window units.

G. Window Assemblies: Provide operating and fixed units in configuration indicated. Provide window frames, sashes, hardware, and other trim and components necessary for a complete, secure, and weathertight installation, including the following:

1. Angled mullion posts with interior and exterior trim. 2. Angled interior and exterior extension and trim. 3. Exterior head and sill casings and trim. H. Complete fabrication, assembly, finishing, hardware application, and other work in the factory to greatest extent possible. Disassemble components only as necessary for shipment and installation.

18.2.8 ALUMINUM FINISHES

A. High-Performance Organic Finish (Two-Coat Fluorocarbon): AA-C12C40R1x (Chemical Finish: cleaned with inhibited chemicals; Chemical Finish: conversion coating; Organic Coating: manufacturer's standard two-coat, thermocured system consisting of specially formulated inhibitive primer and fluorocarbon color topcoat containing not less than [50] percent polyvinylidene fluoride resin by weight). Prepare, pretreat, and apply coating to exposed metal surfaces to comply with [AAMA 2604] [AAMA 2605] and with coating and resin manufacturers' written instructions.

1. Color and Gloss: Dark blue selected by Architect from full range of industry colors and color densities.

18.3 EXECUTION

18.3.1 EXAMINATION

A. Examine openings, substrates, structural support, anchorage, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

B. Verify rough opening dimensions, levelness of sill plate, and operational clearances.

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