[NOTE: Instructional and advisory language in grey or red italic font.]

PART 1 GENERAL  				 

1.01	SUMMARY

A.	Section Includes:
1.	All exterior Architectural Performance Class (AW) windows furnished and installed as shown on drawings, specified in this section and designated in AAMA/WDMA/CSA 101/I.S.2/A440 North American Fenestration Standard (NAFS).
2.	All labor, materials, tools, equipment and services needed to furnish and install AW Class windows.
3.	Components furnished with installed windows.
4.	Installation accessories furnished and installed.

1.02	REFERENCE

A.	Refer to NAFS for a complete list of references and industry standards.

1.03 SYSTEM DESCRIPTION AND PERFORMANCE REQUIREMENTS

A. 	 Design Wind Loads - Allowable Stress Design (ASD)
1.	The design wind pressure for the project will be:  (Specify)
a.	___ psf positive and negative; ___ psf negative at corner zones
b.	Per wind pressure diagram, (or)
c.	Per local building codes 

[NOTE: Determination of Design Load(s) is the sole responsibility of the building's Engineer of Record, considering Code interpretation issues and/or prescriptive requirements not included in Contract Documents.  EFCO is not responsible for determining Design Loads and strongly recommends that ASD Design Loads (in psf or Pa) specific to all relevant areas of the building be provided by the Specifier.]

2.	All structural components, including meeting rails, mullions and anchors shall be designed accordingly, complying with deflection and stress requirements of Paragraph 1.03.B.

B.	Air, Water and Structural Performance Requirements
1.	When tested in accordance with cited test procedures, windows shall meet or exceed the following performance criteria, as well as those indicated in NAFS for Architectural AW Performance Class windows, Performance Grade 100 (AW100) unless otherwise noted herein.
a.	Test units shall not be smaller in either width or height than the “Gateway Test Size” specified in NAFS for AW Performance Class.  
b.	“Downsize” testing to meet Optional Performance Class requirements specified herein shall not be permitted.
c.	Testing to previous, less stringent versions of NAFS shall not be acceptable.
d.	Test units shall employ manufacturer’s standard sealing, lock spacing and anchorage.
2.	Air Test Performance Requirements
a.	Air infiltration maximum 0.1 cfm per square foot at 6.24 psf pressure differential when tested in accordance with ASTM E283.
3.	Water Test Performance Requirements
a.	No uncontrolled water leakage at 15.00 psf static pressure differential, with water application rate of 5 gallons/hr/sq ft when tested in accordance with both ASTM E331 and ASTM E547.  Static water test shall be repeated after application of design test pressures. (NOTE:  Performance can vary with hardware package selected.)
4.	Structural Test Performance Requirements
a.	Uniform Load Deflection Test
i.	No deflection of any unsupported span L of test unit (framing rails, muntins, mullions, etc.) in excess of L/175 at both a positive and negative load of 100 psf (design test pressure) when tested in accordance with ASTM E330.
b.	Uniform Load Structural Test
i.	Unit to be tested at 1.5 x design test pressure, both positive and negative, acting normal to plane of wall in accordance with ASTM E330.
ii.	No glass breakage; permanent damage to fasteners, hardware parts, or anchors; damage to make windows inoperable; or permanent deformation of any main frame or ventilator member in excess of 0.2% of its clear span.

C.	Life Cycle Testing
1.	When tested in accordance with AAMA 910-10, there is to be no damage to fasteners, hardware parts, support arms, activating mechanisms or any other damage that would cause the window to be inoperable at the conclusion of testing. 
a.	Air infiltration and water resistance tests shall meet the primary performance requirements specified after completion of 4000 operational cycles plus thermal cycling.
b.	Testing to previous, less stringent versions of AAMA 910 shall not be acceptable.

D.	Condensation Resistance and Thermal Transmittance Performance Requirements 

(EFCO recommends specifying U-Factor and SHGC requirements by citing the values used in the default, prescriptive or performance compliance path option employed during permitting. Coordinate with 0880 00 Glazing.)

1.	Perform thermal tests in accordance with NFRC and/or AAMA test methods, or provide finite element computer thermal modeling and calculations per NFRC, AAMA and/or manufacturer’s proprietary software as deemed acceptable by the design team. To help ensure proper interpretation, all representations of thermal and solar-optical performance shall be qualified explicitly for the glass type, size, configuration, installation accessories and substrate conditions used in their determination.

a.	Thermal Transmittance (U-Factor) for the overall window area shall be less than or equal to _____ BTU/hr-ft2-F.

b.	Solar Heat Gain Coefficient (SHGC) for the overall window area shall not exceed ____. 

c.	Condensation Resistance Factor (CRF) requirements:  CRF minimum ___ (Frame) and CRF minimum ___ (Glass). 

(Visit www.fgiaonline.org to access the AAMA online CRF Selection Tool. CRF varies with configuration, frame depth, and glass type. Refer to AAMA 515 for recommendations on condensation resistance specifications for critical applications such as hospitals.)

[DISCLAIMER:  Condensation on interior surfaces of installed windows may be affected by many variables, including, but not limited to, component thermal performance, thermal mass of surrounding materials, interior trim coverage and air flow conditions, weather, and mechanical system design.  Since many of these variables are outside of our control, EFCO makes no representations or warranties against the formation of condensation. Testing is conducted on pre-defined configurations under controlled and steady-state laboratory conditions, as specified above.]

[NOTE: Refer to the “ADA Accessibility Supplement” for guide specifications relevant to compliance with the requirements of ICC/ANSI A117.1 Section 309.4 and AAMA 513.]

E.	Acoustic Performance Requirements
1.	Perform acoustical tests in accordance with ASTM E90 and ASTM E1425 on the glass type(s) specified in 08 80 00, rigidly supported in aluminum framing of the same product type.
2.	“Glass-only” test results shall not be acceptable.
3.	Sound Transmission Class (STC) shall not be less than ___. (Specify STC 31 for 1” insulating glass with makeup of ¼” glass – ½” air space – ¼” glass. Coordinate with 08 80 00 Glazing.)
4.	Outdoor-Indoor Transmission Class (OITC) shall not be less than  ____. (Specify OITC 25 for 1” insulating glass with makeup of ¼” glass – ½” air space – ¼” glass. Coordinate with 08 80 00 Glazing.)

F.	Sustainable Design Requirements
1.	The products provided under this section may affect LEED® certification for the project.  Provide available documentation relevant to the project in accordance with USGBC’s “LEED® v4 for Building Design and Construction,” verifying that the components, processes and/or assemblies specified herein conform to the following requirements.  (Select only those Credits needed for the level of certification sought. Modify criteria as necessary for other LEED® programs or versions applicable to specific projects.)
i.	Energy and Atmosphere (EA): EA Prerequisite “Minimum Energy Performance,” and EA Credit “Optimize Energy Performance” 
(1)	Area-weighted overall U-Factor not to exceed that specified in 1.03.
(2)	Area-weighted center-of-glass or overall SHGC less than or equal to that specified in 1.03.
ii.	Material and Resources (MR): MR Credit “Building Product Disclosure and Optimization – Environmental Product Declarations, Option 1. Environmental Product Declaration (EPD)”
(1)	Provide all relevant component suppliers’ industry-wide or product-specific EPDs as available.
iii.	Material and Resources (MR): MR Credit “Building Product Disclosure and Optimization – Sourcing of Raw Materials, Option 2 “Leadership Extraction Practices - Recycled Content.” 
(1)	Provide window assemblies (aluminum framing, glass and other components) containing no less than ___% (Specify up to 15%) combined recycled content by assembly weight. 
(2)	Combined content to be calculated as post-consumer plus one-half pre-consumer recycled content by weight.
(3)	Report pre- and post-consumer recycled content separately.
(4)	All recycled secondary aluminum billet must meet Aluminum Association content requirements for the alloy used.

[NOTE: Secondary aluminum billet contains a high percentage of pre-consumer recycled content, however, glass comprises the majority of the weight of a glazed window assembly.]
 
b.	Material and Resources (MR): MR Credit “Building Product Disclosure and Optimization – Material Ingredients.”
i.	Provide all relevant component suppliers’ disclosures, including manufacturers’ inventory of commonly used materials and ingredients where available.
c.	EQ Low-Emitting Materials – Adhesives and Sealants
i.	All interior primers, structural glazing adhesives and metal-to-metal sealants used on site must meet applicable South Coast Air Quality Management District (SCAQMD) Rule #1168 VOC limits.
d.	EQ Thermal Comfort- Design
i.	Provide thermal barrier framing and glazing as specified herein and in 08 80 00 Glass and Glazing.
e.	EQ Daylight and Views
i.	Area-weighted overall VT not less than 0.____ (Specify – Coordinate with 08 80 00 Glazing) per NFRC 200.
ii.	Window sizes and configurations as shown on drawings.

1.04	SUBMITTALS

A.	General Requirements
1.	Provide all submittals in a timely manner to meet the required construction completion schedule.

B.	Shop Drawings
1.	Shop drawings must be prepared wholly by the window manufacturer, or a qualified engineering services firm under the guidance of the manufacturer.  Shop drawings for pre-engineered configurations may be prepared by the installer upon written manufacturer consent.
2.	Provide design details along with bid proposals to define system aesthetic and functional characteristics.
3.	Provide up to three photocopied sets of shop drawings, including half size details of all necessary conditions.

C.	Samples
1.	Components:  Submit samples of anchors, fasteners, hardware, assembled corner sections and other materials and components as requested by Architect.
2.	Finish:  Submit color samples for Architect's approval as requested.

D.	Test Reports and Calculations
1.	Submit certified independent laboratory test reports verifying compliance with all test requirements of 1.03.
2.	Submit structural calculations indicating adequacy of all materials furnished under this section, to meet the uniform and structural load requirements as specified in 1.03.

1.05	QUALITY ASSURANCE

A.	Qualifications:  Upon request, the window manufacturer shall provide written consent for the installation subcontractor to install window products to be used on this project.

B.	In-Plant Testing:  Conduct detailed quality audits and ASTM E331 static water infiltration testing on a statistically valid sampling of factory-glazed operable windows prior to shipping, subject to reasonable unit size restrictions. 
1.	Each tested unit shall be identified with a removable sticker on the inside glass face. 
2.	Provide detailed documentation of in-plant testing upon request.

1.06	DELIVERY, STORAGE AND HANDLING 

A.	Packing, Shipping, Handling and Unloading
1.	Materials will be packed, loaded, shipped, unloaded, stored and protected in accordance with AAMA CW-10.

1.07	WARRANTY 

A.	Total Window Installation
1.	The responsible contractor shall assume full responsibility and warrant for one year the satisfactory performance of the total window installation which includes that of the windows, hardware, glass (including insulated units), glazing, anchorage and setting system, sealing, flashing, etc., as it relates to air, water, and structural adequacy as called for in the specifications and approved shop drawings.
2.	Any deficiencies due to such elements not meeting the specifications shall be corrected by the responsible contractor at their expense during the warranty period.

NOTE: Standard warranty period is 5 years or extended 10 years.

B.	Window Material and Workmanship
1.	Provide written guarantee against defects in material and workmanship for ___ years from the date of final shipment.

C.	Glass
1.	Provide a written warranty for insulated glass units that they will be free from obstruction of vision as a result of dust or film formation on the internal glass surfaces caused by failure of the hermetic seal due to defects in material and workmanship.
2.	Warranty period shall be for 10 (ten) years.

D.	Finish

NOTE: Select for Anodic Finish:  Standard warranty period is 3 years or extended 5 years or 10 years.

1.	Warranty period shall be for ___ years from the date of final shipment.

2.	OR

NOTE: Select for Organic Finish:  Standard warranty period is 5 years or extended 10 years or 15 years or 20 years.

2.	Warranty period shall be for ___ years from the date of final shipment.
3.	Provide organic finish warranty based on AAMA standard 2605.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A.	Acceptable Manufacturer
1.	Drawings and specification are based on:
a.	EFCO – 2250i-XP XTherm™ Series fixed, projected and/or casement composite frame windows.
b.	Base bid will be EFCO.
2.	Substitutions
a.	Other manufacturers’ products that meet or exceed specified design requirements may be considered.  Submit the following information with request for substitutions at least ten (10) working days prior to bid date.
i.	Test reports specified in 1.03.
ii.	Full proposal details and samples specified in 1.04.
iii.	Copy of manufacturer's warranty specified in 1.07.
iv.	Proof of at least 10 years’ experience in the design and fabrication of AW Performance Class windows.
v.	Other information as requested for evaluation
3.	Substitute products not pre-approved by the Architect via addenda will not be considered.
4.	Clear preference will be given to products produced in LEED®-certified manufacturing facilities.

2.02 MATERIALS

A.	Aluminum Framing Members
1.	Extruded aluminum billet, 6063-T5 or T6 alloy for primary non-radius components; 6063-T5 or T6, 6005-T5, 6105-T5 or 6061-T6 for anchor components; all meeting the requirements of ASTM B221.
2.	Aluminum sheet alloy 5005-H32 (for anodic finishing), or alloy 3003-H14 (for painted or unfinished sheet) meeting the requirements of ASTM B209.
3.	Principal window frame and sash ventilator members will be a minimum 0.125" in thickness at hardware mounting locations.
4.	Extruded or formed trim components will be a minimum 0.060" in thickness.
5.	Composite frame depth 3 1/2" minimum.
6.	Sash ventilator sections must be tubular, and close flush with adjoining frame surfaces at interior and exterior. 
a.	Overlap sash ventilators will not be accepted. 
7.	Glass plane shall be recessed 1" from exterior plane of window members. Framing members shall have a square profile at glazing rebates as shown on architectural details.

2.03 COMPONENTS

A.	Hardware (Select from options as noted)
1.	All steel components including attachment fasteners to be stainless steel except as noted.
2.	Extruded aluminum components 6063-T5 or -T6.
3.	Locking handles, bases and strikes to be die cast, white bronze or stainless steel in manufacturer’s standard surface finish.
4.	Thermo-plastic or thermo-set plastic caps, housings and other components to be injection-molded nylon, extruded PVC, or other suitable compound.
5.	Hardware to be (Select one) occupant-operated (or custodial-operated) and include: (Select from appropriate options listed in the  Hardware Selection Guide: stainless steel four-bar hinges, extruded aluminum butt hinges, locking cam handles, keepers, two-point keepers, linear operators, single-handle multi-lock, roto operators, concealed friction adjusters, concealed limited opening devices. NOTE:  Maximum and minimum vent width and height can be affected by hardware selection.)

B.	Sealants
1.	All sealants shall comply with applicable provisions of AAMA 800 and/or Federal Specifications FS-TT-001 and 002 Series.
2.	Frame joinery sealants shall be suitable for application specified and as tested and approved by window manufacturer.

C.	Glass
1.	Provide in accordance with Section 08 80 00.
2.	Sealed insulating glass shall be tested and certified in accordance with ASTM E2190.

D.	Glazing 
1.	Provide in general accordance with Section 08 80 00.
2.	Glazing method shall be in general accordance with the GANA Glazing Manual for specified glass type, or as tested and approved by the manufacturer.
3.	Provide windows factory-glazed wherever practical.

E.	Glazing Materials
1.	Setting Blocks/Edge Blocking:  Provide in sizes and locations recommended by GANA Glazing Manual. Setting blocks used in conjunction with soft-coat low-e glass shall be silicone.
2.	Provide two rows of continuous non-outgassing polyolefin convection baffle material in all glazing pocket perimeter cavities.
3.	Back-bedding tapes, expanded cellular glazing tapes, toe beads, heel beads and cap beads shall meet the requirements of applicable specifications cited in AAMA 800.
4.	Glazing gaskets shall be non-shrinking, weather-resistant, and compatible with all materials in contact. 
5.	Structural silicone sealant where used shall meet the requirements of ASTM C1184.
6.	Spacer tape in continuous contact with structural silicone shall be tested for compatibility and approved by the sealant manufacturer for the intended application.  
7.	Gaskets in continuous contact with structural silicone shall be extruded silicone or compatible material.
8.	Provide two rows of continuous non-out-gassing polyolefin convection baffle material in all glazing cavities.

F.	Steel Components
1.	Provide steel reinforcements as necessary to meet the performance requirements of 1.03.
2.	Concealed steel anchors and reinforcing shall be factory painted after fabrication with TGIC powder coating, or rust-inhibitive primer complying with Federal Specification TT-P-645B.

G.	Muntins: (Optional)
1.	Provide muntin grids as shown on architectural drawings.
2.	Finish to match window frames.

H.	Panning: (Optional)
1.	Provide extruded aluminum panning to receive replacement windows as shown on architectural drawings.
2.	Panning shall be pre-assembled and all joinery back sealed prior to installation.
3.	Finish to match window frames.

I.	Receptors:  (Optional)
1.	Provide extruded aluminum receptors to receive windows, as shown on architectural drawings.
2.	Finish to match window frames.

J.	Insect Screens: (Optional)
1.	Tubular extruded aluminum frames shall meet the requirements of ANSI/SMA 1004.  
2.	Screen frame finish to match window frames.
3.	Aluminum cloth shall comply with GSA-FS-RR-W-365 and USDC-CS-138 with 18 x 16 mesh.  
4.	Cloth mesh color shall be ________________. (Specify bright mesh or charcoal mesh)

K.	Dual Glazed Access Panel: (Optional) 
1.	Hinged (lift-off) access panel (Select one) provided with Allen hex locks for custodial operation.
2.	Finish to match window frames.

L.	Integral Venetian Blinds: (Optional) 
1.	5/8" or 1" (Select one) wide aluminum slat blinds. Blind color shall be _____________.  (Specify from standard color chart.)
2.	Blind to be integrally mounted between the dual or triple glazing.
3.	Tilt-control knob will be located on the interior face and incorporate a "slip clutch" feature.
4.	Raise and lower pull cords will be located between-glass for access only when glazed access panel is opened.

2.04 FABRICATION

A.	General:
1.	Finish, fabricate and shop assemble frame and sash ventilator members into complete windows under the responsibility of one manufacturer.
2.	No bolts, screws or fastenings shall impair independent frame movement, or bridge the thermal barrier, unless such bridging was also present in thermal test units and thermal models.
3.	Fabricate to allow for thermal movement of materials when subjected to a temperature differential from -30 F to +180 F.

B.	Frames:
1.	Cope and mechanically fasten each corner, or miter and weld or corner block each corner, then seal weather tight. 
2.	Make provisions for continuity of frame joinery seals at extrusion webs.

C.	Main Sash Ventilator 
1.	Miter all corners and mechanically stake over a solid extruded aluminum corner block, set and sealed in epoxy, leaving hairline joinery, then sealed weather tight. 
2.	Make provisions for continuity of sash ventilator joinery seals at extrusion webs.
3.	Provide continuous dual-durometer PVC convection baffles in all vent perimeter cavities, allowing for drainage as tested.

D.	Glass Drainage: (field glazed units only)
1.	Provision shall be made to ensure that water will not accumulate and remain in contact with the perimeter area of sealed insulating glass.

E.	Hardware: (Select from options as noted. NOTE: Maximum and minimum vent width and height can be affected by hardware selection.)
1.	Concealed Hinges 
a.	Provide two stainless steel concealed four-bar adjustable friction hinges per vent meeting AAMA 904.1. 
2.	Locks 
a.	Die cast, lacquered or e-coated white bronze, or stainless-steel cam locks, strikes and/or keepers for manual (custodial) (Select one) operation shall secure sash in closed position. (Refer to EFCO Hardware Selection Guide) 
b.	Provide locks for ventilators at maximum 40" spacing; 50” for single operator multi-lock hardware.
c.	Provide double grip hardware activated by a lower device for locks exceeding 6'-0" from floor. 
3.	Limited Opening Device (Optional) 
a.	Provide concealed device to limit initial sash operation to 4". (Specify other limited opening as necessary.) 
b.	Operation past this point to be by use of a tool or removable key.
4.	Exposed Hinges (Optional) 
a.	Provide two (2) five-knuckle aluminum nylon-bushed hinges with coated stainless-steel pins. 
b.	Provide three (3) hinges on units over 4'-0" high. 
c.	Finish of extruded aluminum hinge leaves and covers shall match window finish. 
5.	Egress Provisions and Egress Hardware (Optional)
a.	Make provisions for egress in case of emergency at windows as indicated on drawings. (Specifier provide clear opening dimensions, maximum sill height, glazing and/or hardware requirements necessary for compliance with local Codes.)
b.	Affix aluminum egress tags to windows indicated.

F.	Dual Glazed Access Panel (Optional) 
1.	Hinged (or lift-off) access panel (Select one) will be constructed with mitered corners, mechanically staked over a solid aluminum corner block leaving hairline joinery.

G.	Thermal Break Construction:
1.	Continuous extruded polyamide struts with 40% glass fiber reinforcing, mechanically crimped into cross-knurled cavities. 
2.	Minimum thermal separation 1-3/8" (1-1/8” at project-in sash members only).
3.	Provide two rows of continuous non-out-gassing polyolefin convection baffle material in all hollow cavities created by polyamide struts.
4.	Quality assurance records must be maintained and available as requested.
 
H.	Weather-stripping:
1.	Bulb- or fin-type neoprene, EPDM, dual-durometer PVC, polypropylene, TPE, or other suitable material as tested and approved by the window manufacturer. 
2.	Miter, crowd, stake or join at corners. Provide drainage to exterior as necessary.
3.	Weather-stripping shall provide an effective seal at the interior face of the sash ventilator.

2.05 FINISHES

A.	Finish of Aluminum Components
1.	Finish of all exposed areas of aluminum windows and components shall be done in accordance with the appropriate AAMA Voluntary Guide Specification shown (Select from below).

Designation	Description	Standard	Color	
AA-M10-C21-A41
Anodic	Clear Class I -
Eco-friendly etch	AAMA 611	Clear	
AA-M10-C21-A44
Anodic	Electrolytically deposited Class I -
Eco-friendly etch	AAMA 611	Champagne, Light Bronze, Medium Bronze, Dark Bronze,  Black, 	
				
 Exterior Organic Paint	70% PVDF -
Suitable for INTERIOR or EXTERIOR finishes	AAMA 2603	As selected by Architect	

[NOTE: For detailed specifications of other surface treatments and finishes available, as well as sustainable finishing process specification upgrades contact EFCO. Color selection is recommended, for the most competitive bids.]

PART 3 EXECUTION

3.01 EXAMINATION

A.	Site Verification of Conditions
1.	Verify that building substrates permit installation of windows according to the manufacturer's instructions, approved shop drawings, calculations and contract documents.
2.	Do not install windows until unsatisfactory conditions are corrected.

3.02 INSTALLATION

A.	Erection of Aluminum Windows
1.	Install all windows with skilled workers in accordance with approved shop drawings, installation instructions, specifications, and the AAMA Commercial Window and Door Installation Manual.
2.	Vent windows must be installed, and remain, plumb, square and level, to one-half of the unit shimming tolerances cited in the AAMA Commercial Window and Door Installation Manual, for proper weathering and operation.    Installer to make necessary final hardware adjustments on site.
3.	Aluminum that is not organically coated shall be insulated from direct contact with steel, masonry, concrete or other dissimilar metals by bituminous paint, rust-inhibiting primer, non-conductive shims or other suitable insulating material.
4.	Provide perimeter frame cavity insulation as necessary to maintain continuity of thermal barrier.

[DISCLAIMER:  EFCO takes no responsibility for product selection or application, including, but not limited to, compliance with building codes, safety codes, laws, merchantability or fitness for a particular purpose; and further disclaims all liability for the use, in whole or in part, of these Guide Specifications in preparation of project specifications and/or other documents.  Guide Specifications are subject to change at any time, without notice, and at EFCO’s sole discretion.] 

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