MasterFormat: 95

SpecWizard: customize this spec    Download this Aluminum Windows Specification for   WORD | WP | RTF | TEXT

Find over 500 more construction specifications | Arcat.com

	SECTION 08520
	ALUMINUM WINDOWS
	Copyright 2004 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** St. Cloud Window, Inc.; Double hung, horizontal sliding, projecting and fixed aluminum window products. . This section is based on the products of St. Cloud Window, Inc., which is located at: P. O. Box 1577 St. Cloud, MN 56302-1577 Toll Free Tel: 800-383-9311 Tel: 320-251-9311 Email: request info Web: www.stcloudwindow.com [ Click Here ] for additional information. St. Cloud Window Inc. is a manufacturer of high performance architectural aluminum window systems for over 50 years. We provide window solutions for new construction as well as replacement systems for existing structures. SCW products are especially well suited for noise attenuation and coastal storm protection. Typical SCW installations include schools, hotels, high-rise condominiums, college dormitories, military facilities, government office buildings and a variety of other commercial facilities where owners and tenants demand high performance and lasting value. This specification includes Series 900 and Series 2500 aluminum windows. Series 900 aluminum windows are available as Hung, Sliding and Fixed windows with a Sound Transmission Class (STC) ratings as high as 60 in both operating and fixed applications. Series 2500 aluminum windows are projected and fixed windows have been approved by the U.S. Department of Interior, National Parks Service, as a steel replication window matching historic sight-lines and dimensions.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Aluminum double hung windows.
		B.	Aluminum horizontal rolling windows.
		C.	Aluminum projecting windows.
		D.	Aluminum fixed windows.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 06100 - Rough Carpentry: Framed openings.
		B.	Section 06200 - Finish Carpentry: Interior wood casing.
		C.	Section 07210 - Building Insulation: Batt insulation at window perimeter.
		D.	Section 07460 - Siding and trim.
		E.	Section 07620 - Flashing and Sheet Metal: Flashing associated with windows and doors.
		F.	Section 07900 - Joint Sealers: Perimeter joint sealant and backer rod.
		G.	Section 08800 - Glazing.
	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/NWWDA 101/I.S.2/A440-05 - Voluntary Specifications for Aluminum, Vinyl (PVC), and Wood Windows and Glass Doors.
		B.	AAMA 701/702 - Combined Voluntary Specification for Pile Weatherstrip and Replaceable. Fenestration Weatherseals
		C.	AAMA 2603 - Voluntary Specification for Pigmented Organic coatings on Aluminum Extrusions and Panels.
		D.	AAMA 2605 - Voluntary Specification for Superior Performance Organic coatings on Architectural Aluminum Extrusions and Panels.
		E.	AAMA 1503.1 - Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors, and Glazed Wall Sections.
		F.	AAMA 1503-09 - Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors and Glazed Wall Sections
		G.	ASTM C 1036 - Standard Specification for Flat Glass.
		H.	ASTM E 90 - Standard Test Methods for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions.
		I.	ASTM E 283 - Standard Test Method for Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.
		J.	ASTM E 330 - Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.
		K.	ASTM E 547 - Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Cyclic Static Air Pressure Differential.
		L.	ASTM F 588 - Standard Test Methods for Measuring the Forced Entry Resistance of Window Assemblies, Excluding Glazing Impact.
		M.	ASTM E1332 - Standard Classification for Determination of Outdoor-Indoor Transmission Class.
		N.	ASTM E 2190 - Standard Specification for Insulating Glass Unit Performance and Evaluation.
		O.	ASTM E 1886 - Standard Test Method for Performance of Exterior Windows, Curtain Walls, Doors, and Impact Protective Systems Impacted by Missile(s) and Exposed to Cyclic Pressure Differentials.
		P.	ASTM E1996 - Standard Specification for Performance of Exterior Windows, Curtain Walls, Doors, and Impact Protective Systems Impacted by Windborne Debris in Hurricanes.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	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.	Installation methods.
		C.	Shop Drawings: Show dimensions of aluminum windows, elevations, details of all window sections, anchorage and installation details, hardware, and interface with other products.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
		E.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.
		F.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: Company specializing in manufacturing residential and commercial aluminum windows with minimum ten years documented experience.
		B.	Installer Qualifications: Installer specializing in performing residential and commercial installation of aluminum windows with minimum five years documented experience.
		C.	Testing: Performed by an independent architectural testing laboratory accredited and certified by the American Architectural Manufacturers Association (AAMA), the National Voluntary Laboratory Accreditation Program (NVLAP) and the International Conference of Building Officials (ICBO) and such other accreditation as may be required by state of local building regulations.
	** 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.	Install in areas designated by Architect.
			2.	Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Deliver windows to project site in undamaged condition; handle windows to prevent damage to components and to finishes.
		B.	Store units in a dry location, off the ground, under cover, protected from weather and construction activities.
	1.7	WARRANTY
		A.	Manufactures limited 10 year warranty that products are free of material or manufacturing defects. Defects are defined to include uncontrolled leakage of water, corner or joint failure, and abnormal aging or deterioration.
		B.	Manufactures limited 10 year warranty against visual obstruction from film formation or moisture collection between internal glass surfaces, excluding that caused by glass breakage or abuse.
		C.	Manufactures limited 10 year warranty for fluoropolymer organic finish conforming to AAMA 2605-05 against chipping, peeling, cracking, chalking, or fading
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: St. Cloud Window, Inc., which is located at: P. O. Box 1577 ; St. Cloud, MN 56302-1577; Toll Free Tel: 800-383-9311; Tel: 320-251-9311; Email: request info; Web: www.stcloudwindow.com
	** 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	ALUMINUM WINDOWS
	** NOTE TO SPECIFIER ** Select sash required for the project below. Delete sash not required. Note that custom configurations are available. Consult with manufacturer for available options.
		A.	General: Provide SCW 900 Series aluminum windows in the configurations indicated on the Drawings and as follows:
			1.	Operating Sash:
				a.	Double Hung Windows.
				b.	Sliding Windows.
			2.	Fixed Frames:
				a.	Rectangle.
				b.	Trapezoid.
				c.	Arch Top.
	** NOTE TO SPECIFIER ** Select optional muntins if required for the project. Delete if not required.
			3.	Muntin grids shall be surface applied to the interior and exterior of the glass lite. grid pattern shall be as selected by the Architect from the manufacturers standard patterns.
		B.	Aluminum Double-Hung Windows: 920 Series as manufactured by St. Cloud Window, Inc.
			1.	Options:
	** NOTE TO SPECIFIER ** Select the options required from the following paragraphs and delete those not required.
				a.	Impact/Blast/Hurricane (5 inch frame STC to 47) Exposure: B Wind Speed: Zone 3, 130 mph ASTM E 1886-02 and ASTM E 1996-02.
				b.	Internal Venetian Blinds (6-1/2 inch frame STC to 49.
				c.	A7 Acoustic 7 inch frame, STC to 53.
				d.	A9 Acoustic 9 inch frame, STC to 56.
			2.	Performance:
				a.	AAMA/WDMA/CSA 101/I.S.2/A440-05:
	** NOTE TO SPECIFIER ** Select one of the following rating paragraphs and delete the paragraphs not required. Note that the 60 inch by 90 inch applies to Model 920-A7 only.
					1)	Rating: 920 H-C60 48 X 72.
					2)	Rating: 920 H-C80 56 X 91.
					3)	Rating: 920-A7 H-C60 60 X 90 with upgrades.
				b.	Operating Force: Less than 45.
				c.	Air infiltration when tested at 1.57 psf (75 Pa) according to ASTM E 283.
					1)	Model 920 H-C60 48 X 72: 0.06 cfm/ft2.
					2)	Model 920 H-C80 56 X 91: 0.02 cfm/ft2.
					3)	Model 920-A7 H-C60 60 X 90: 0.08 cfm/ft2.
				d.	Summer Water:
					1)	Model 920 H-C60 48 X 72: 8 psf water.
					2)	Model 920 H-C80 56 X 91: 12 psf water.
					3)	Model 920-A7 H-C60 60 X 90: 12 psf water.
				e.	Winter Water:
					1)	Model 920 H-C60 48 X 72: 12 psf water.
					2)	Model 920 H-C80 56 X 91: 12 psf water.
					3)	Model 920-A7 H-C60 60 X 90: 12 psf water.
				f.	Positive/negative structural test pressure without damage when tested according to ASTM E 330:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the paragraphs not required.
					1)	Model 920 H-C60 48 X 72: Deflection 60, Structural plus 90 psf / minus 90 psf.
					2)	Model 920 H-C80 56 X 91: Deflection 80, Structural plus 120 psf / minus 120 psf.
					3)	Model 920-A7 H-C60 60 X 90: Deflection 60, Structural plus 90 psf / minus 90 psf.
				g.	Pass a forced entry resistance test of at least Grade 40 to meet requirements set forth in ASTM F 588.
				h.	Air infiltration rate and/or the condensation resistance factor when tested in accordance with AAMA 1503-09:
					1)	Model 920 H-C60 48 X 72:
						a)	CRF Frame: 65.
						b)	CRU Glass: 71.
				i.	U factor when tested in accordance with AAMA 1503-09:
	** NOTE TO SPECIFIER ** Note U factor specified below requires triple glazing. For specific thermal performance with other glazing contact the manufacturer and edit this paragraph as required.
					1)	Model 920 H-C60 48 X 72: 0.47.
	** NOTE TO SPECIFIER ** For specific acoustic performance and required glazing, contact the manufacturer and edit this paragraph as required. Delete if not required.
				j.	Acoustical: STC 40 to 56 as tested in accordance with ASTM E 90.
		C.	Aluminum Sliding Windows: 940 Series as manufactured by St. Cloud Window, Inc.
			1.	Options:
	** NOTE TO SPECIFIER ** Select the options required from the following paragraphs and delete those not required.
				a.	Impact/Blast/Hurricane (5 inch frame STC to 47) Exposure: B Wind Speed: Zone 3, 130 mph ASTM E 1886-02 and ASTM E 1996-02.
				b.	Internal Venetian Blinds (6-1/2 inch frame STC to 49.
				c.	A7 Acoustic 7 inch frame, STC to 53.
				d.	A9 Acoustic 9 inch frame, STC to 56.
			2.	Performance:
				a.	AAMA/WDMA/CSA 101/I.S.2/A440-05:
	** NOTE TO SPECIFIER ** Select one of the following rating paragraphs and delete the paragraphs not required. Note that the 60 inch by 90 inch applies to Model 920-A7 only.
					1)	Rating: 940 HS-C60 120 X 50.
					2)	Rating: 940 HS-DW80 112 X 64.
				b.	Operating Force: Less than 25.
				c.	Air infiltration when tested at 1.57 psf (75 Pa) according to ASTM E 283.
					1)	Model 940 HS-C60 120 X 50: 0.05 cfm/ft2.
					2)	Model 940 HS-DW80 112 X 64: 0.05 cfm/ft2.
				d.	Summer Water:
					1)	Model 940 HS-C60 120 X 50: 12 psf water.
					2)	Model 940 HS-DW80 112 X 64: 12 psf water.
				e.	Winter Water:
					1)	Model 940 HS-C60 120 X 50: 12 psf water.
					2)	Model 940 HS-DW80 112 X 64: 12 psf water.
				f.	Positive/negative structural test pressure without damage when tested according to ASTM E 330:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the paragraphs not required.
					1)	Model 940 HS-C60 120 X 50: Deflection 60, Structural plus 90 psf / minus 90 psf.
					2)	Model 940 HS-DW80 112 X 64: Deflection 80, Structural plus 120 psf / minus 120 psf.
				g.	Pass a forced entry resistance test of at least Grade 40 to meet requirements set forth in ASTM F 588.
				h.	Air infiltration rate and/or the condensation resistance factor when tested in accordance with AAMA 1503-09:
					1)	Model 940 HS-C60 120 X 50:
						a)	CRF Frame: 63.
						b)	CRU Glass: 69.
				i.	U factor when tested in accordance with AAMA 1503-09:
	** NOTE TO SPECIFIER ** Note U factor specified below requires triple glazing. For specific thermal performance with other glazing contact the manufacturer and edit this paragraph as required.
					1)	Model 940 HS-C60 120 X 50: 0.45.
					2)	Model 940 HS-DW80 112 X 64: 0.47.
	** NOTE TO SPECIFIER ** For specific acoustic performance and required glazing contact the manufacturer and edit this paragraph as required. Delete if not required.
				j.	Acoustical: STC 40 to 56 as tested in accordance with ASTM E 90.
		D.	Aluminum Fixed Windows: 960 Series as manufactured by St. Cloud Window, Inc.
			1.	Options:
	** NOTE TO SPECIFIER ** Select the options required from the following paragraphs and delete those not required.
				a.	Impact/Blast/Hurricane (5 inch frame STC to 47) Exposure: B Wind Speed: Zone 3, 130 mph ASTM E 1886-02 and ASTM E 1996-02.
				b.	Internal Venetian Blinds (6-1/2 inch frame STC to 49.
				c.	A7 Acoustic 7 inch frame, STC to 53.
				d.	A9 Acoustic 9inch frame, STC to 56.
			2.	Performance:
				a.	AAMA/WDMA/CSA 101/I.S.2/A440-05:
	** NOTE TO SPECIFIER ** Select one of the following rating paragraphs and delete the paragraphs not required. Note that the 60 inch by 90 inch applies to Model 920-A7 only.
					1)	Rating: 960 FW-C60 60 X 78.
					2)	Rating: 960 FW-HC80 60 X 71.
					3)	Rating: 960 FW-DW80 60 X 78.
					4)	Rating: 960 FW-C80 66 X 99.
					5)	Rating: 960 FW-AW45 66 X 99.
					6)	Rating: 960-A7 FW-HC60 60 X 71 with upgrades.
				b.	Air infiltration shall not exceed 0.01 cfm/ft2 (1.5 L/s m2) when tested at 1.57 psf (75 Pa) according to ASTM E 283.
				c.	Winter Water:
					1)	Model 960 FW-C60 60 X 78: 12 psf water.
					2)	Model 960 FW-HC80 60 X 71: 12 psf water.
					3)	Model 960 FW-DW80 60 X 78: 12 psf water.
					4)	Model 960 FW-C80 66 X 99: 20 psf water.
					5)	Model 960 FW-AW45 66 X 99: 20 psf water.
					6)	Model 920-A7 FW-C60 60 X 90: 12 psf water.
				d.	Positive/negative structural test pressure without damage when tested according to ASTM E 330:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the paragraphs not required.
					1)	Model 960 FW-C60 60 X 78: Deflection 60, Structural plus 90 psf / minus 90 psf.
					2)	Model 960 FW-HC80 60 X 71: Deflection 60, Structural plus 90 psf / minus 90 psf.
					3)	Model 960 FW-DW80 60 X 78: Deflection 60, Structural plus 90 psf / minus 90 psf.
					4)	Model 960 FW-C80 66 X 99: Deflection 60, Structural plus 90 psf / minus 90 psf.
					5)	Model 960 FW-C60 60 X 78: Deflection 80, Structural plus 120 psf / minus 90 psf.
					6)	Model 960 FW-AW45 66 X 99: Deflection 45, Structural plus 67.5 psf / minus 90 psf.
					7)	Model 960-A7 FW-HC60 60 X 71: Deflection 60, Structural plus 90 psf / minus 120 psf.
				e.	Forced entry resistance in accordance with ASTM F 588.
					1)	Model 960 FW-C60 60 X 78: Grade 10
					2)	Model 960 FW-AW45 66 X 99: Grade 10
				f.	Air infiltration rate and/or the condensation resistance factor when tested in accordance with AAMA 1503-09:
					1)	CRF Frame: 64.
					2)	CRU Glass: 77.
				g.	U factor when tested in accordance with AAMA 1503-09:
	** NOTE TO SPECIFIER ** Note U factor specified below requires triple glazing. For specific thermal performance with other glazing contact the manufacturer and edit this paragraph as required.
					1)	Model 960 FW-C60 60 X 78: 0.34.
	** NOTE TO SPECIFIER ** For specific acoustic performance and required glazing contact the manufacturer and edit this paragraph as required. Delete if not required.
				h.	Acoustical: STC 40 to 56 as tested in accordance with ASTM E 90.
	2.3	ALUMINUM PROJECTING AND FIXED WINDOWS
	** NOTE TO SPECIFIER ** Select sash required for the project below. Delete sash not required. Note that custom configurations are available. Consult with manufacturer for available options.
		A.	General: Provide SCW 2500 Series aluminum windows in the configurations indicated on the Drawings and as follows:
			1.	Operating Sash:
				a.	Awning Windows.
				b.	Hopper Windows.
				c.	Casement Windows.
			2.	Fixed Frames:
				a.	Rectangle.
				b.	Trapezoid.
				c.	Arch Top.
	** NOTE TO SPECIFIER ** Select optional muntins if required for the project. Delete if not required.
			3.	Muntin grids shall be surface applied to the interior and exterior of the glass lite. grid pattern shall be as selected by the Architect from the manufacturers standard patterns.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying historic replica windows. Delete paragraph if not required.
			4.	Historic Approval: Provide windows and window components that accurately reflect the sightlines and set-back dimensions of the original window system and that are acceptable to and in compliance with the authorities having jurisdiction.
		B.	Aluminum Projecting and Fixed Windows: 2500 Series Narrow Sightline Windows as manufactured by St. Cloud Window, Inc.
			1.	Options:
	** NOTE TO SPECIFIER ** Select the options required from the following paragraphs and delete those not required.
				a.	Glazing: Insulated Glass, Triple Glazed
				b.	Impact/Blast/Hurricane (3 inch frame) Exposure: B Wind Speed: Zone 3, 130 mph ASTM E 1886-02 and ASTM E 1996-02.
				c.	Internal Venetian Blinds (3 inch frame.
			2.	Performance:
				a.	AAMA/WDMA/CSA 101/I.S.2/A440-05:
	** NOTE TO SPECIFIER ** Select one of the following rating paragraphs and delete the paragraphs not required. Note that the 60 inch by 90 inch applies to Model 920-A7 only.
					1)	Rating: 2500 H-AW65 60 X 36.
					2)	Rating: 2500 54 X 78.
				b.	Operating Force: Less than 30.
				c.	Air infiltration when tested at 1.57 psf (75 Pa) according to ASTM E 283.
					1)	Model 2500 H-AW65 60 X 36: 0.01 cfm/ft2.
					2)	Model 2500 54 X 78: 0.01 cfm/ft2.
				d.	Winter Water:
					1)	Model 2500 H-AW65 60 X 36: 20 psf water.
					2)	Model 2500 54 X 78: 15 psf water.
				e.	Positive/negative structural test pressure without damage when tested according to ASTM E 330:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the paragraphs not required.
					1)	Model 2500 H-AW65 60 X 36: Deflection 65, Structural plus 97.5 psf / minus 90 psf.
					2)	Model 2500 54 X 78: Deflection 60, Structural plus 90 psf / minus 120 psf.
				f.	Air infiltration rate and/or the condensation resistance factor when tested in accordance with AAMA 1503-09:
					1)	Model H-AW65 60 X 3:
						a)	CRF Frame: 52.
						b)	CRU Glass: 61.
					2)	Model 2500 54 X 78:
						a)	CRF Frame: 62.
						b)	CRU Glass: 69.
				g.	U factor when tested in accordance with AAMA 1503-09:
	** NOTE TO SPECIFIER ** Note U factor specified below requires triple glazing. For specific thermal performance with other glazing contact the manufacturer and edit this paragraph as required.
					1)	Model 2500 H-AW65 60 X 36: 0.42.
					2)	Model 2500 54 X 78: 0.38.
	** NOTE TO SPECIFIER ** For specific acoustic performance and required glazing contact the manufacturer and edit this paragraph as required. Delete if not required.
				h.	Acoustical: STC 34 to 41 as tested in accordance with ASTM E 90.
	2.4	MATERIALS
		A.	Frame, Sash, and Screen Members: Extruded aluminum alloy 6063-T6;
			1.	900 Series provided with 0.062 inch (1.57 mm) minimum wall thickness.
			2.	2500 Series provided with 0.125 inch (3.17 mm) minimum wall thickness.
	** NOTE TO SPECIFIER ** Select optional muntins if required for the project. Delete if not required.
		B.	Muntin Grids: Extruded aluminum alloy 6063-T6 with exposed surfaces finished to match window exterior and interior colors..
	** NOTE TO SPECIFIER ** Select optional blinds if required for the project. Delete if not required.
		C.	Venetian Blind: Mounted between the inboard and outboard sash. (
			1.	Size:
	** NOTE TO SPECIFIER ** Select the blind size required and delete the on not required. Width and height is limited by size as follows: 5/8 inch up to 74 inches wide by 98 inches high and 1 inch up to 108 inches wide by 120 inches high.
				a.	5/8 inch
				b.	1 inch
			2.	Venetian blind shall be constructed with an extruded aluminum head-rail and bottom-rail. Rail alloy to be 6063-T5.
			3.	Louver slats shall be .006" virgin aluminum.
			4.	Finish to be baked-on polyester powder coat paint and shall conform to AAMA 2603-02.
			5.	Lift and ladder cords to be braided synthetic yarn with tensile strength not less than 130 lbs.
			6.	Operation shall be by tilt control knob fastened to the window frame.
	** NOTE TO SPECIFIER ** Select the following two paragraphs for use with 00 Series hung, sliding and fixed windows. Delete if not applicable.
		D.	Thermal Barrier: Complete metal to metal separation between inner and outer frame members with an extruded PVC thermal-barrier; not less than 1/4 inch (6.3 mm) wide. Poured and debridged polyurethane thermal barrier is not acceptable.
		E.	Weatherstripping: 100 percent woven pile with Mylar center fins conforming to AAMA 701/702.
	** NOTE TO SPECIFIER ** Select the following two paragraphs for use with 2500 Series projected and fixed windows. Delete if not applicable.
		F.	Thermal Barrier: Complete metal to metal separation between inner and outer frame members with a continuous extruded high performance nylon 6/6 polyamide with multi-directional glass fiber reinforcing as manufactured by Technoform or equal. Aluminum components are mechanically crimped into cross knurled cavities and obtain a minimum composite shear value of 800 pounds for a 4 inch section. Rolled in PVC, single directional glass fiber reinforced polyamide and pour and debridge urethane thermal break systems will not be acceptable.
		G.	Weatherstripping: Rubberized vinyl EPDM weatherstripping bulb for full perimeter of the frame vent.
		H.	Screens: Tubular aluminum frames; screen cloth securely held in place by means of reusable vinyl splines.
	** NOTE TO SPECIFIER ** Select paragraph required and delete paragraph not required.
			1.	Screen Cloth: 18 by 16 aluminum.
			2.	Screen Cloth: 18 by 16 fiberglass.
			3.	Screen Cloth: 18 by 16 stainless steel.
		I.	Hardware: Spring-loaded metal plunger type or spring-loaded pinch type. Lock to engage automatically as window is closed; locate as follows:
	** NOTE TO SPECIFIER ** Select paragraph(s) required and delete paragraph not required.
			1.	Double Hung Windows: Interior sill rails.
			2.	Horizontal Rolling Windows: Interior meeting rails.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying double hung windows. Delete if not applicable.
		J.	Double Hung Window Balances: Block and Tackle zinc die cast metal with nylon rollers, capable of providing positive lifting force through full range of sash travel and holding sash stationary at any open position without the use of auxiliary frictional devices or holding clips; overhead balances, exposed balance cables, or fasteners are not acceptable. Use a minimum of 2 balances per sash.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying horizontal sliding windows. Delete if not applicable.
		K.	Sliding Window Sash Rollers: Delrin lubricated with "Moly B" dry lubricant, operating on stainless steel axles.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying awning windows. Delete if not applicable.
		L.	Awning: Concealed 4-bar stainless steel balanced arm hinges at the jamb sides of vents for opening and closing operation. Frame vent equipped with two white bronze cam handles to hold the vent in a tightly closed and locked position.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying casement windows. Delete if not applicable.
		M.	Casement: Exposed knuckle hinges at jambs finished to match the window frame. Frame vent equipped with a brushed nickel rotary crank style operator at the sill with two brushed nickel cam locks at the jambs to hold the vent in a tightly closed and locked position.
	** NOTE TO SPECIFIER ** Retain the following paragraph if specifying hopper windows. Delete if not applicable.
		N.	Hopper: Concealed 4-bar stainless steel balanced arm hinges at jamb sides of vents for opening and closing operation. Frame vent equipped with two white bronze cam handles to hold the vent in a tightly closed and locked position.
	** NOTE TO SPECIFIER ** Retain paragraph below if specifying fixed windows.
		O.	Caulking: Grade "A" type calking compound, Pecora, Tremco, Vulkem, or equal approved by architect; color to match color of aluminum unless otherwise approved by architect.
	2.5	GLAZING SCHEDULE
		A.	Glazing: Select quality complying with ASTM C 1036. Insulating glass IGCC certified to performance level CBA when tested in accordance with ASTM E 2190.
			1.	Glazing Method:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs. Delete the paragraph not required. Insulating glass is standard.
				a.	Single glazed consisting of one lite of clear annealed glass.
				b.	Insulated glass consisting of two lites of clear annealed glass.
				c.	Triple insulated glass consisting of one exterior lite of insulated glass and one interior lite of clear annealed or laminated glass.
			2.	Glass type:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs. Delete the paragraph not required. Clear annealed glass is standard
				a.	Clear annealed glass.
				b.	Clear tempered glass.
				c.	Clear laminated glass.
				d.	Specialty glass.
				e.	Low E2 coating: applied to number three surface (available on insulated units only).
				f.	Insulated glass airspace as follows:
	** NOTE TO SPECIFIER ** Select one of the following paragraphs. Delete the paragraph not required.
					1)	Air (standard).
					2)	Argon gas.
			3.	Operable sash marine-glazed with reusable flexible glazing vinyl.
			4.	Fixed glass set against sealant tape and wet sealed with a cap bead at the exterior. Interior lite dry sealed with a push-in glazing gasket.
	2.6	FABRICATION
		A.	General:
			1.	Fabricate windows as two separate frames permanently interlocked by a rigid thermal barrier.
	** NOTE TO SPECIFIER ** Retain paragraph 2. if specifying operable windows, retain paragraph 3. if specifying fixed windows. Delete paragraph if not required.
			2.	Operable Frame and Sash Joints: Butt type secured by means of thread-cutting type screws anchored into screw ports, ports integral parts of frame members.
			3.	Fixed Frame Joints: Miter or butt type secured by means of thread-cutting type screws anchored into screw ports, ports integral parts of frame members.
			4.	Corners: Joined neatly in a manner to provide watertight connections. All frame corners to be fitted with a neoprene gasket.
			5.	Deburr and make smooth all sharp milled edges and corners.
	** NOTE TO SPECIFIER ** Retain subparagraphs below if specifying operable windows. Delete paragraph if not required.
			6.	Internally seal sash corners.
			7.	Fabricate meeting rails of tubular construction, double weatherstripped and interlocked when in closed position.
			8.	Fabricate window units in a manner to facilitate replacement of worn or damaged parts, hardware, or weatherstripping.
		B.	Sill Frames: Tubular sections, formed from single extrusions (2-pieces joined to form a tube are not acceptable), 5-degree minimum slope with a closed-weep system (including aluminum weep flaps) to prevent accumulation of water in sill and intrusion of insects.
		C.	Thermal Barrier: Interlock both halves of frame, securing them together without inhibiting expansion and contraction of either part; apply bead of sealant to complete perimeter of window to seal joints between frame and thermal barrier.
		D.	Weatherstripping: Double weatherstripped all sash at perimeter of master frame. All weatherstrip to be contained in profiles extruded into the sash pockets of the master frame to prevent movement and excessive wear. Except at meeting stiles, weatherstrip contained in sash rails shall not be accepted. Secure weatherstripping to prevent movement.
	** NOTE TO SPECIFIER ** Select the following paragraph for double hung windows. Delete if not applicable.
		E.	Double Hung Windows:
			1.	Fully balance each sash with a minimum of two balances.
			2.	Locate balances inside jamb sash; make removable with the use of take out clips for ease of replacement without the use of special tools.
	** NOTE TO SPECIFIER ** Select the following paragraph for sliding windows. Delete if not applicable.
		F.	Horizontal Sliding Windows: Fabricate sash to operate on rollers in bottom sash rail in a concealed manner, not protruding beyond bottom of sash rail.
	2.7	FINISH
	** NOTE TO SPECIFIER ** Windows can be finished the same on both sides or can have different finishes on the inter and the exterior surfaces. Select finish from the following paragraphs and delete those not required for the project.
		A.	Finish exposed surfaces of aluminum windows in two colors as follows:
			1.	Finish exterior exposed surfaces of aluminum windows, panning, and trim as follows:
	** NOTE TO SPECIFIER ** Select finish from the following subparagraphs and delete those not required for the project.
				a.	Natural Anodized: Class II AA-C22A31 204-R1, etched and clear anodized to 0.4 mil (0.010 mm).
				b.	Champagne Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				c.	Light Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				d.	Medium Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				e.	Dark Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				f.	Black Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				g.	Organic Paint Coating: Fluoropolymer organic coating in a color selected by the architect; meet or exceed AAMA 2605 specifications for Superior Performance Organic Coatings on Aluminum Extrusions and Panels.
				h.	Organic Paint Coating: Baked Polyester Enamel or Acrylic coating in a color selected by the architect; meet or exceed AAMA 2603 specifications for Pigmented Organic Coatings on Aluminum Extrusions and Panels.
			2.	Finish interior exposed surfaces of aluminum windows, panning, and trim as follows:
	** NOTE TO SPECIFIER ** Select finish from the following subparagraphs and delete those not required for the project.
				a.	Natural Anodized: Class II AA-C22A31 204-R1, etched and clear anodized to 0.4 mil (0.010 mm).
				b.	Champagne Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).Light Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				c.	Medium Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				d.	Dark Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				e.	Black Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
				f.	Organic Paint Coating: Fluoropolymer organic coating in a color selected by the architect; meet or exceed AAMA 2605 specifications for Superior Performance Organic Coatings on Aluminum Extrusions and Panels.
				g.	Organic Paint Coating: Baked Polyester Enamel or Acrylic coating in a color selected by the architect; meet or exceed AAMA 2603 specifications for Pigmented Organic Coatings on Aluminum Extrusions and Panels.
		B.	Finish exposed surfaces of aluminum windows, panning, and trim as follows:
	** NOTE TO SPECIFIER ** Select finish from the following subparagraphs and delete those not required for the project.
			1.	Natural Anodized: Class II AA-C22A31 204-R1, etched and clear anodized to 0.4 mil (0.010 mm).
			2.	Champagne Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).Light Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
			3.	Medium Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
			4.	Dark Bronze Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
			5.	Black Anodized: Class I AA-C22A44 204-R1, anodized to 0.7 mil (0.018 mm).
			6.	Organic Paint Coating: Fluoropolymer organic coating in a color selected by the architect; meet or exceed AAMA 2605 specifications for Superior Performance Organic Coatings on Aluminum Extrusions and Panels.
			7.	Organic Paint Coating: Baked Polyester Enamel or Acrylic coating in a color selected by the architect; meet or exceed AAMA 2603 specifications for Pigmented Organic Coatings on Aluminum Extrusions and Panels.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until openings have been properly prepared.
		B.	If preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	PREPARATION
		A.	Clean surfaces thoroughly prior to installation.
		B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the project conditions.
	3.3	INSTALLATION
		A.	Install windows and related components in accordance with approved shop drawings and manufacturer's requirements.
		B.	Erect materials plumb, level, and true relative to the building structure, maximum variation from plumb and level not exceeding 1/8 inch in 10 feet (3 mm in 3 m).
		C.	Install approved insulation materials in the frame cavity on the interior portion of the window frame, area adjacent to exterior of window frame remaining uninsulated.
			1.	Exercise caution to avoid overlapping insulation materials across thermal barrier connectors.
			2.	Exercise caution to avoid bridging of the two separated frame members.
		D.	Apply calking at all points between masonry and aluminum outer frame; apply in a manner to ensure airtight and watertight continuous perimeter seal so as to prohibit seepage of cold air into the insulated cavity.
	** NOTE TO SPECIFIER ** ** Include Field Quality Control if the project size and/or quality warrant taking such a precaution. The following is one example of how field testing on a large project might be specified. Delete if not required.
	3.4	FIELD QUALITY CONTROL
		A.	The Architect retains the option to pay for a certified testing laboratory to conduct on-site tests for air infiltration and water infiltration as specified in "Performance Requirements" above.
		B.	The Architect will select two or more windows to be tested.
		C.	Window manufacturer shall repair or replace window units not meeting specified performance requirements and the cost of re-testing an equal quantity of windows shall be borne by Window Manufacturer.
	3.5	CLEANING
		A.	After installation, remove all sealants, calking, and other misplaced materials from all surfaces, including adjacent work.
		B.	Thoroughly clean window frames, casings, and glass using materials and methods recommended by the window and glass manufacturer that do not cause defacement of work.
	3.6	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION