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	SECTION 08520
	ALUMINUM WINDOWS
	Copyright 2009 - 2011 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** Alumatherm Incorporated; aluminum windows. . This section is based on the products of Alumatherm Incorporated, which is located at: 1717 Kirkham St. Oakland, CA 94607 Phone: 510-832-2819 Fax: 510-832-7282 E-mail: info@alumatherm.com Web: www.alumatherm.us
	Alumatherm is dedicated to providing modern, strong, and high performance green products. Aluminum is an extremely versatile building material. Aluminum is light weight, strong, resistant to corrosion and 100 percent recyclable; the perfect material for use in green construction.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
		A.	Architectural aluminum windows including glass, hardware and related components.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 07270 - Air Barriers: Perimeter air seal between window frame and adjacent construction.
		B.	Section 07920 - Joint Sealants: Perimeter joint sealers.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	AAMA 502 - Test method A. Short Form Field Testing Specifications.
		B.	AAMA 609 - Voluntary Guide Specification for Cleaning and Maintenance of Architectural Anodized Aluminum.
		C.	AAMA 1503 - Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors and Glazed Wall Sections.
		D.	AAMA 2604 - Voluntary Specification Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum Extrusions and Panels.
		E.	AAMA 2605 - Voluntary Specification for Superior Performance Organic coatings on Architectural Aluminum Extrusions and Panels.
		F.	AAMA/NWWDA 101/I.S.2 - Voluntary Specifications for Aluminum, Vinyl (PVC), and Wood Windows and Glass Doors.
		G.	ASTM E 283 - Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.
		H.	ASTM E 330 - Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.
		I.	ASTM E 331 - Standard test method for water penetration of exterior windows, skylights, doors, and curtain walls by uniform static air pressure difference.
		J.	ASTM E 547 - Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Cyclic Static Air Pressure Differential.
		K.	GANA 01-0300 - Proper Procedures for Cleaning Architectural Glass Products.
	1.4	PERFORMANCE REQUIREMENTS
	**NOTE TO SCECIFIER** Unless otherwise specified, windows tested for condensation resistance and thermal transmittance shall be glazed with no more than two lites of clear, uncoated, annealed glass. Sealed insulated glass shall be of standard construction.
		A.	Test Units:
			1.	Air, water and structural test unit shall conform to requirements set forth in AAMA/NWWDA 101/I.S.2.
			2.	Thermal test unit sizes shall be 60 inches by 48 inches (1524 mm by 1219 mm). Unit shall consist of a casement/fixed window.
		B.	Test Procedures and Performances:
			1.	Windows shall conform to all AAMA/NWWDA 101/I.S.2 requirements for the window type. In addition, the following specific performance requirements shall be met.
			2.	Air Infiltration Test:
				a.	With ventilators closed and locked, test unit in accordance with ASTM E 283 at a static air pressure difference of 6.24 psf.
				b.	Air infiltration not to exceed .10 CFM/sqft.
			3.	Water Resistance Test:
				a.	With ventilators closed and locked, test unit in accordance with ASTM E 331/ASTM E 547 at a static air pressure difference of 6.24 psf.
				b.	There shall be no uncontrolled water leakage.
			4.	Uniform Load Deflection Test:
				a.	With ventilators closed and locked, test unit in accordance with ASTM E 330 at a static air pressure difference of 112.5 psf positive and negative pressure.
				b.	No member shall deflect over l/175 of its span.
			5.	Condensation Resistance Test (CRF):
				a.	With ventilators closed and locked, test unit in accordance with AAMA 1503.
				b.	Condensation Resistance Factor (CRF) shall not be less than 63.
			6.	Thermal Transmittance Test (Conductive U-Value):
				a.	With ventilators closed and locked, test unit in accordance with AAMA 1503.
				b.	Conductive thermal transmittance (U-Value) shall not be more than 0.48 BTU/hr/sqft/F.
	1.5	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	Product Data: Manufacturer's specifications and test reports from an AAMA accredited laboratory on each product to be used, including:
			1.	Test reports.
			2.	Warranties.
			3.	Preparation instructions and recommendations.
			4.	Storage and handling requirements and recommendations.
			5.	Installation methods.
		C.	Shop Drawings: Window location chart; typical window elevations; details of assemblies, hardware and glazing details for glazed aluminum units.
		D.	Verification Samples: For each finish product specified, representative samples of specified finish.
	1.6	QUALITY ASSURANCE
		A.	Test Reports: Provide test reports from AAMA accredited laboratories certifying specified performance.
		B.	Manufacturer Qualifications: Minimum ten years experience producing aluminum windows of the type specified.
		C.	Installer Qualifications: Install windows in accordance with manufacturer's recommendations and approved shop drawings with skilled craftspeople who have demonstrated a successful history of installing windows for a minimum of two years.
	** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		D.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
			1.	Finish areas designated by Architect.
			2.	Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
			3.	Remodel and refinish mock-up area as required to produce acceptable work.
	1.7	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
	1.8	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.
	1.9	WARRANTY
		A.	Manufacturer shall provide a warranty against the following defects:
			1.	Windows: Warrant for one year against defects in material or workmanship under normal use.
			2.	Insulating Glass Units: Warrant seal for five years against visual obstruction from film formation or moisture collection between internal glass surfaces, excluding that caused by glass breakage or abuse.
			3.	Paint Finish: Warrant for one year against chipping, peeling or cracking.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: AlumaTherm®, Incorporated, which is located at: 1717 Kirkham St. ; Oakland, CA 94607; Tel: 510-832-2819; Email: request info; Web: www.alumatherm.us
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	2.2	PRODUCTS
		A.	Acceptable Products: AlumaTherm Series 90 aluminum windows as manufactured by Alumatherm, Incorporated with the following properties:
			1.	Insulating Glass: 1 inch (25 mm) o.a. consisting of two lites of 1/8 inch (3 mm) thick and 3/4 inch (19 mm) airspace minimum. Provide tempered glass as required by code and building configuration.
			2.	Configuration:
	** NOTE TO SPECIFIER** Delete configuration options not required.
				a.	As indicated on Drawings and schedules.
				b.	Awning with fixed lite.
				c.	Double vent casement
				d.	Single casement.
			3.	Perimeter and Vent Profiles:
	** NOTE TO SPECIFIER** Delete profile options not required.
				a.	Nail On.
				b.	Block.
				c.	4 inch (102 mm) recess.
				d.	1-1/8 inch (28.5 mm) long leg out.
				e.	Zee outside glaze.
				f.	Tee inside glaze.
			4.	Locking Handle: Cam type.
			5.	Hinges:
	** NOTE TO SPECIFIER** Delete hinge options not required.
				a.	Four bar stainless steel concealed hinges; Securistyle Ltd.
				b.	Parallel Plus hinge system; Securistyle Ltd.
	** NOTE TO SPECIFIER** Delete options below if not required.
				c.	Integrated limit stop.
				d.	Detachable keyed restrictor.
			6.	Wall Thickness: 0.090 inch (2.3 mm), 6063-T5 aluminum.
			7.	Frame Depth: 2-1/4 inches (57 mm).
			8.	Thermal Barrier: 18 mm minimum polyamide 6/6 nylon I struts.
	** NOTE TO SPECIFIER** Delete one of the following two corner assembly options below if not required.
			9.	Corner Assembly Keys: Push button type.
			10.	Corner Assembly Keys: Crimped/pinned type.
			11.	Post Fabrication: AAMA 2604 architectural paint.
			12.	Structural Rating: HC 55.
			13.	U-Value: 0.48.
	** NOTE TO SPECIFIER** Delete one of the following two cam handle options below if not required.
			14.	Cam Handles: White bronze.
			15.	Cam Handles: Cast aluminum.
			16.	Perimeter and Vent Frames: Mitered assembly.
			17.	Weatherstripping: Double.
	** NOTE TO SPECIFIER** Delete finishes not required.
			18.	Finish: AAMA Class 1 clear anodized.
			19.	Finish: AAMA Class 1 bronze anodized.
			20.	Finish: AAMA 2604, Tiger Drylac Series 75, fluoropolymer powder coating, color as selected from manufacturer's full range of standard options.
	2.3	MATERIALS
		A.	Aluminum: Extruded aluminum shall be 6063-T5 alloy and temper.
		B.	Hardware:
			1.	Alumatherm hinges, type 304 austenitic stainless steel, tested to 6,000 cycles, 10 year guarantee.
			2.	Operating hinges shall be 4-bar stainless steel with an asymmetric end cap and stainless and nylon slide shoe mechanism.
			3.	Hinges shall be Storm as manufactured by Securistlye Ltd.
			4.	Locking handles shall be cam type.
		C.	Weather Strip: Weather strips shall be bulb foam fill vinyl or equal.
		D.	Thermal Barrier:
			1.	Exterior aluminum shall be separated from the interior aluminum by a rigid, structural thermal barrier. For purposes of this specification, a structural thermal barrier is defined as a system that shall transfer shear during bending and, therefore, promote composite action between the exterior and interior extrusions.
			2.	Thermal barrier shall consist of two 18 mm, or greater, glass reinforced polyamide nylon 6/6 struts, mechanically crimped in raceways in exterior and interior extrusions.
			3.	Poured and de-bridged urethane thermal barriers shall not be permitted.
	2.4	FABRICATION
		A.	General:
			1.	All primary aluminum frame and vent extrusions shall have a minimum overall wall thickness of .090 inches (2.25 mm).
			2.	Mechanical fasteners, welded components, and hardware items shall not bridge thermal barriers. Thermal barriers shall align at all frame and vent corners.
			3.	Depth of frame and vent shall not be less than 2-1/4 inches (57 mm).
		B.	Frame and Ventilator:
			1.	All frame extrusions shall be tubular.
			2.	Each corner shall be mitered, reinforced with a mechanical corner key and a hydraulically crimped corner key.
			3.	Each vent shall be pressure equalized utilizing two rows of Q-Lon foam filled vinyl weather stripping installed in dovetail grooves in the extrusion.
		C.	Mullions: Mullions shall be end milled and fastened with interior tee rail keys; no penetration of the exterior framing.
		D.	Glazing: Glazed with close cell foam tape, and a roll formed snap-in aluminum bead.
	** NOTE TO SPECIFIER** Delete one of the following two glazing options if not required.
			1.	Inside glazed.
			2.	Outside glazed.
	** NOTE TO SPECIFIER** Delete one the following options if not required.
			3.	Extruded square aluminum glass stop.
			4.	Roll formed snap-in sloped aluminum glass stop.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Verify openings are in tolerance, plumb, level, clean and provide for secure anchorage in accordance with approved shop drawings.
		B.	If opening preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	PREPARATION
		A.	Prepare openings using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
	3.3	INSTALLATION
		A.	Install units in strict accordance with manufacturer's instructions and the following.
		B.	Plumb and align window faces in a single plane for each wall plane, and erect windows and materials square and true. Adequately anchor to maintain positions permanently when subjected to normal thermal movement, specified building movement, and required wind loads.
		C.	Adjust windows for proper operation after installation.
		D.	Install sealants to provide a weather tight installation at joints and intersections and at opening perimeters. Wipe off excess material and leave exposed surfaces and joints clean and smooth.
	3.4	PROTECTION
		A.	After completion of window installation, windows shall be inspected, adjusted, put into working order and left clean, free of labels, and dirt.
		B.	Window and door cleaning procedures shall comply with AAMA 609.
		C.	Architectural glass cleaning procedures shall comply with GANA 01-0300.
		D.	Do not use duct tape, masking tape, or similar products on painted aluminum surfaces if protective materials are applied.
		E.	Touch-up, repair or replace damaged products before Substantial Completion.
	3.5	TESTING
		A.	All labeled AlumaTherm windows will be manufactured in precisely the same manner as the approved AAMA test specimen. There is no other specific guarantee regarding weather performance of field test results. Any field-testing performed must be per AAMA 502-02, Test Method A, and performed "immediately after installation" as required in Short Form Field Testing Specifications.
	END OF SECTION