08_43_13_Windows.pdf

CONSTRUCT FIRE STATION ADDITION, BUILDING 90 PROJECT NO DKGV12-2035

FINAL SUBMITTAL 7 NOVEMBER 2018 (EDITED)

SECTION 08 43 13

IMPACT RESISTANT ALUMINUM-FRAMED STOREFRONTWINDOWS

02/11

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN ARCHITECTURAL MANUFACTURERS ASSOCIATION (AAMA)

AAMA 1503 (2009) Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors and Glazed Wall Sections

AAMA 501 (2005) Methods of Test for Exterior Walls

AAMA 503 (2008) Voluntary Specification for Field Testing of Newly Installed Storefronts, Curtain Walls and Sloped Glazing Systems

AAMA 800 (2010) Voluntary Specifications and Test Methods for Sealants

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI Z97.1 (2009; Errata 2010) Safety Glazing Materials Used in Buildings - Safety Performance Specifications and Methods of Test

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7 (2010; Change 2010; Change 2011; Errata 2011; Change 2011) Minimum Design Loads for Buildings and Other Structures

ASTM INTERNATIONAL (ASTM)

ASTM B221 (2012) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B221M (2012a) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

ASTM E1105 (2000; R 2008) Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors, and Curtain Walls, by Uniform or Cyclic Static Air Pressure Difference

ASTM E1424 (1991; R 2008) Standard Test Method for

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Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure and Temperature Differences Across the Specimen

ASTM E1886 (2005) 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

ASTM E330 (2002; R 2010) Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference

ASTM E331 (2000; R 2009) Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference

ASTM E783 (2002; R 2010) Standard Test Method for Field Measurement of Air Leakage Through Installed Exterior Windows and Doors

ASTM F1642 (2012) Standard Test Method for Glazing and Glazing Systems Subject to Airblast Loadings

GANA Glazing Manual (2004) Glazing Manual

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

16 CFR 1201 Safety Standard for Architectural Glazing Materials

UNDERWRITERS LABORATORIES (UL)

UL 325 (2002; Reprint Jan 20121) Door, Drapery, Gate, Louver, and Window Operators and Systems

1.2 ADMINISTRATIVE REQUIREMENTS

1.2.1 Pre-Installation Meetings

Conduct pre-installation meeting to verify project requirements, substrate conditions, manufacturer's installation instructions, and manufacturer's warranty requirements.

Within 30 days of the Contract Award, submit the following for review and approval by the Contracting Officer:

Listing of product installations

Sample warranty

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Finish and color samples

Manufacturer's catalog data

Installation drawings

Fabrication drawings for custom fabrications

Concurrently submit certified test reports showing compliance with specified performance characteristics and UL 325 for the following:

a. Air Infiltration ASTM E783

b. Wind Load (Resistance) AAMA 501

c. Deflection ASTM F1642

d. Condensation Resistance and Thermal Transmittance Performance Requirements

e. Water Infiltration ASTM E1105

f. Structural Requirements ASTM F1642

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Sample Warranty; G

Listing of Product Installations; G

SD-02 Shop Drawings

Installation Drawings; G Fabrication Drawings; G

SD-03 Product Data

Manufacturer's Catalog Data; G

SD-04 Samples

Finish and Color Samples; G

SD-06 Test Reports

Certified Test Reports; G

SD-07 Certificates

Manufacturer's Product Warranty; G

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1.4 QUALITY ASSURANCE

1.4.1 Qualifications

1.4.1.1 Installer Qualifications

Provide documentation of Installer experience to perform work of this section, who has specialized in the installation of work similar to that required for this project, and who is acceptable to product manufacturer.

1.4.1.2 Manufacturer Qualifications

Manufacturers are acceptable providing they meet the requirements specified in this section and project drawings.

Ensure manufacturer is capable of providing field service representation during construction, approving acceptable installer and approving application method.

1.4.2 Single Source Responsibility

When Impact resistant storefront windows and related products, provide building enclosure system products from a single source manufacturer.

Provide design, structural engineering, and custom fabrication for window system and supply of all components, materials, and products based on a single manufacturer of sole responsibility. Provision of products from numerous sources for site assembly without complete single source design and supply responsibility is not acceptable. Work items and components to be fabricated or supplied by single source are:

a. Glazed window to be constructed as specified in this Sectionand as indicated in the Drawings.

d. Glass as specified in Section 08 81 00 GLAZINGand installed by impact resistant storefront manufacturer.

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Ordering

Comply with manufacturer's ordering instructions and lead-time requirements to avoid construction delays.

1.5.2 Packing, Shipping, Handling and Unloading

Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.

1.5.3 Storage and Protection

Store materials protected from exposure to harmful weather conditions.

Handle storefront material and components to avoid damage. Protect storefront material against damage from elements, construction activities, and other hazards before, during and after storefront installation.

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1.6 PROJECT / SITE CONDITIONS

1.6.1 Field Measurements

Verify actual measurements/openings by field measurements before fabrication; show recorded measurements on shop drawings. Coordinate field measurements, fabrication schedule with construction progress to avoid construction delays.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

This Specification includes aluminum storefront window framing, glass and glazing, and components.

2.1.1 Design Requirements for Impact Resistant Aluminum Storefront Window Framing

Design, size components, and install door portal system to withstand these loads without breakage, loss, failure of seals, product deterioration, and other defects, AAMA 503.

a. Dead and Live Loads: Determined by ASCE 7 and calculated in accordance with applicable codes.

b. Seismic Loads: Design and install system to comply with applicable seismic requirements for project location as defined by Section 1613 of the International Building Code (IBC).

c. Effects of applicable wind load acting inward and outward normal to plane of wall in accordance with ASTM E330.

d. Thermal Loads And Movement:

(1) Ambient Temperature Range: 120 degrees F.

(2) Material Surfaces Range: 180 degrees F.

e. Provide and install weatherstripping, exterior gaskets, sealants, and other accessories to resist water and air penetration.

f. Impact Protective Systems ASTM E1886.

2.1.1.1 Material Standard

ASTM B221 ASTM B221M; 6063-T5 alloy and tempered.

2.1.1.2 Tolerances

Reference to tolerances for wall thickness and other cross-sectional dimensions of entrance members are nominal and in compliance with Aluminum Standards and Data, published by The Aluminum Association.

Provide either EPDM elastomeric extrusions or thermoplastic elastomer glazing gaskets. Structural silicone sealant is required.

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2.1.2 Performance Requirements

2.1.2.1 Air Infiltration

Submit certified test reports showing compliance with specified performance characteristics as follows:

b. Maximum allowable infiltration, for a completed storefront system is not to exceed 0.06 cfm/square foot when tested in accordance with ASTM E1424 at differential static pressure of 6.24 psf.

2.1.2.2 Wind Loads

Provide completed storefront system capable of withstanding wind pressure loads, normal to the wall plane indicated, as follows:

a. Exterior Walls

(1) Positive Pressure: as required by International Building Code

(IBC)

(2) Negative Pressure: as required by International Building Code

(IBC)

b.

2.1.2.3 Deflection

Submit certified test reports showing compliance with specified performance characteristics as follows:

The maximum allowable deflection in any member when tested in accordance with ASTM E330 with allowable stress in accordance with AA Specifications for Aluminum Structures is L/175 or 3/4 inches maximum.

2.1.2.4 Uniform Load Structural Test

Submit certified test reports showing compliance with specified performance characteristics as follows:

At the conclusion of the test, there shall be no glass breakage, permanent damage to fasteners, storefront parts or any other damage that would cause the storefront to be defective when tested in accordance with ASTM E330 at a pressure 1.5 times the design wind pressures indicated on Sheet S001 in the Deawings.

2.1.2.5 Impact Test Procedures

Submit certified test reports showing compliance with specified performance characteristics as follows:

Test in accordance with ASTM E1886/ E1996 Level D and FBC (HVHZ) Test Protocals

2.1.2.6 Condensation Resistance and Thermal Transmittance

Submit certified test reports showing compliance with specified performance characteristics as follows:

a. U-Value Requirements:

(1) Perform test in accordance with AAMA 1503 procedure and on the configuration specified therein.

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(2) Thermal Transmittance ("U" Value) maximum 0.65 (6250) BTU/hr/sf/deg F at 15 mph exterior wind.

b. CRF Class Requirements:

(1) Perform test in accordance with AAMA 1503.

(2) Condensation Resistance Factor Requirements (CRF) minimum 56.

2.1.2.7 Water Infiltration

Submit certified test reports showing compliance with specified performance characteristics as follows:

System is designed to provide no uncontrolled water leakage when tested in accordance with ASTM E331 at a static pressure of 12 psf.

2.2 FABRICATION

General

a. All aluminum frame extrusions shall have a minimum wall thickness of .080 inches

b. All exposed work shall be carefully matched to produce continuity of line and design with all joints. System design shall be such that raw edges will not be visible at joints.

c. Accurately fit and secure joints and corners. Make joints hairline in appearance. Prepare components with internal reinforcement for door hardware. Arrange fasteners and attachments to conceal from view.

2.2.1 Frame

a. Depth of frame shall be not less than 5 inches.

b. Face dimension shall not be less than 2-1/2 inches.

c. Frame components shall be screw spline construction.

2.2.2 Glazing

All impact resistant units shall be "dry glazed" with recyclable EPDM gaskets on the exterior and "structural glazed" with a silicone compatable EPDM spacer gasket and Dow Corning 995 structural sealant on the interior.

a. All units shall be glazed from the exterior.

2.2.3 Finish

a. Anodic

(1) Finish all exposed areas of interior aluminum storefront framing and components with electrolytically deposited color in accordance with Aluminum Association Designation AA-M10C22A44

(2) Color shall be Dark Bronze.

b. Glazing Material: Refer to Section 08 81 00 Glazing

c. Dissimilar Metals: All dissimilar metals must be properly insulated to prevent galvanic action.

d. Fasteners: All exposed fasteners shall be aluminum or stainless steel.

2.2.4 Shop Assembly

Fabricate and assemble units with joints only at intersection of aluminum members with hairline joints; rigidly secure, and sealed in accordance with manufacturer's recommendations.

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2.2.4.1 Welding

Conceal welds on aluminum members in accordance with AWS recommendations or methods recommended by manufacturer. Members showing welding bloom or discoloration on finish or material distortion will be rejected.

2.2.5 Fabrication Tolerance

Fabricate and assemble units with joints only at intersection of aluminum members with hairline joints; rigidly secure, and sealed in accordance with manufacturer's recommendations.

Fabricate aluminum entrances in accordance with entrance manufacturer's prescribed tolerances.

2.2.5.1 Material Cuts

Square to 1/32 inch off square, over largest dimension; proportionate amount of 1/32 inch on the two dimensions.

2.2.5.2 Maximum Offset At Consecutive Members

1/64 inch in alignment between two consecutive members in line, end to end.

2.2.5.3 Maximum Offset At Glazing Pocket Corners

1/64 inch between framing members at glazing pocket corners.

2.2.5.4 Joints

(Between adjacent members in same assembly: Hairline and square to adjacent member.

2.2.5.5 Variation

In squaring diagonals for doors and fabricated assemblies: 1/16 inch.

2.2.5.6 Flatness

For doors and fabricated assemblies: plus/minus 1/16 inch of neutral plane.

2.3 ACCESSORIES

2.3.1 Fasteners

Provide stainless steel where exposed.

2.3.2 Perimeter Anchors

When steel anchors are used, provide insulation between steel material and aluminum material to prevent galvanic action.

2.4 RELATED MATERIALS

2.4.1 Sealants

Refer to Section 07 92 00 JOINT SEALANTS. Ensure all sealants conform to

AAMA 800.

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2.4.2 Glass

Refer to Section 08 81 00 GLAZING.

PART 3 EXECUTION

3.1 EXAMINATION

3.1.1 Site Verification of Conditions

Verify substrate conditions (which have been previously installed under other sections) are acceptable for product installation in accordance with manufacturer's instructions.

Verify openings are sized to receive storefront system and sill plate is level in accordance with manufacturer's acceptable tolerances.

3.2 INSTALLATION

Install window system in accordance with manufacturer's instructions and AAMA storefront and entrance guide specifications manual. Attach to structure to permit sufficient adjustment to accommodate construction tolerances and other irregularities. Provide alignment attachments and shims to permanently fasten system to building structure. Align assembly plumb and level, free of warp and twist. Maintain assembly dimensional tolerances aligning with adjacent work.

3.2.1 Preparation

Field verify dimensions prior to fabricating window assembly components.

Ensure adequate provision is made for support and anchorage of assembly components.

Coordinate electrical requirements for automatic door assemblies and electrified door hardware to ensure proper power source, conduit, wiring, and boxes.

3.2.1.1 Adjacent Surfaces Protection

Protect adjacent work areas and finish surfaces from damage during product installation.

3.2.1.2 Aluminum Surface Protection

Protect aluminum surfaces from contact with lime, mortar, cement, acids, and other harmful contaminants.

3.2.2 Adjusting

Adjust operating hardware for smooth operation, and as recommended by the manufacturer.

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3.2.3 Related Products Installation Requirements

3.2.3.1 Sealants (Perimeter)

Refer to Section 07 92 00 JOINT SEALANTS.

3.2.3.2 Glass

Refer to Section 08 81 00 GLAZING.

3.2.3.3 Reference

ANSI Z97.1, 16 CFR 1201 and GANA Glazing Manual.

3.3 PROTECTION AND CLEANING

3.3.1 Protection

Protect installed product's finish surfaces from damage during construction. Protect aluminum storefront system from damage from grinding and polishing compounds, plaster, lime, acid, cement, or other harmful contaminants.

3.3.2 Cleaning

Repair or replace damaged installed products. Clean installed products in accordance with manufacturer's instructions prior to owner's acceptance.

Remove construction debris from project site and legally dispose of debris.

3.4 WARRANTY

Submit three signed copies of manufacturer's product warranty for entrance system as follows:

Warranty Period: Three years from Date of Substantial Completion of the project, provided that the Limited Warranty begins in no event later than six months from date of shipment by manufacturer. In addition, support welded door corner construction with a limited lifetime warranty for the life of the door under normal use.

Ensure Warranty language is identical to "As Approved" version of the sample warranty submitted and returned from the Contracting Officer.

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