A0005_084113.pdf

Construct Inpatient Dialysis for NLR EJT Healthcare Center

598-18-107 02-01-21

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SECTION 08 41 13

ALUMINUM-FRAMED STOREFRONTS

PART 1 - GENERAL

SUMMARY

Section Includes:

1. Aluminum-framed storefronts.

RELATED REQUIREMENTS

Glass and Glazing: Section 08 80 00, GLAZING.

Aluminum Finish and Color: Match Existing Framing.

APPLICABLE PUBLICATIONS

Comply with references to extent specified in this section.

American Architectural Manufacturers Associations (AAMA):

2603-15.................Performance Requirements and Test Procedures for Pigmented Organic Coatings on Aluminum

Extrusions and Panels

2604-13.................Performance Requirements and Test Procedures or

High Performance Organic Coatings on

Architectural Extrusions and Panels

2605-13.................Performance Requirements and Test Procedures for Superior Performing Organic Coatings on

Aluminum Extrusions and Panels

American Welding Society (AWS):

D1.2/D1.2M-14...........Structural Welding Code - Aluminum

ASTM International (ASTM):

A240/A240M-20...........Chromium and Chromium-Nickel Stainless Steel

Plate, Sheet, and Strip for Pressure Vessels and for General Applications

B209-14.................Aluminum and Aluminum-Alloy Sheet and Plate.

B209M-14................Aluminum and Aluminum-Alloy Sheet and Plate

(Metric)

B221-14.................Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

B221M-13................Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

D1187/D1187M-97(2018)...Asphalt-Base Emulsions for Use as Protective

Coatings for Metal

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E283/E283M-19...........Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified

Pressure Differences Across the Specimen

E330/E330M-14...........Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform

Static Air Pressure Difference

E331-00(2016)...........Water Penetration of Exterior Windows, Curtain

Walls, and Doors by Uniform Static Air Pressure

Difference

E1886-19................Performance of Exterior Windows, Curtain Walls, Doors, and Impact Protective Systems Impacted by Missiles and Exposes to Cyclic Pressure

Differentials

E1996-17................Performance of Exterior Windows, Curtain Walls, Doors, and impact Protective Systems Impacted by Windborne Debris in Hurricanes

F468-16.................Nonferrous Bolts, Hex Cap Screws, and Studs for

General Use

F593-17.................Stainless Steel Bolts, Hex Cap Screws, and

Studs

National Association of Architectural Metal Manufacturers (NAAMM):

AMP 500-06..............Metal Finishes Manual

National Fenestration Rating Council (NFRC):

500-14(E1A0)............Determining Fenestration Product Condensation

Resistance Values

Department of Veterans Affairs(VA):

1. VA Physical Security and Resiliency Design Manual Latest Edition

PREINSTALLATION MEETINGS

Conduct preinstallation meeting at project site minimum 30 days before beginning Work of this section.

1. Required Participants:

Contracting Officer's Representative.

Architect/Engineer.

Contractor.

Installer.

Manufacturer's field representative.

Other installers responsible for adjacent and intersecting work, including Sealants, Glazing.

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2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

Installation schedule.

Installation sequence.

Preparatory work.

Protection before, during, and after installation.

Installation.

Terminations.

Transitions and connections to other work.

Other items affecting successful completion.

3. Document and distribute meeting minutes to participants to record decisions affecting installation.

SUBMITTALS

Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

Submittal Drawings: Minimum 1 to 2 (half size) scale.

1. Show size, configuration, and fabrication and installation details.

2. Show anchorage and reinforcement.

3. Show interface and relationship to adjacent work, including thermal, air, and water barrier continuity.

Manufacturer's Literature and Data:

1. Description of each product.

2. Doors, each type.

3. Entrance and Storefront construction.

4. Installation instructions.

5. Warranty.

Samples:

1. Aluminum Anodized Finish: sample extrusions minimum 150 mm

(6 inches) long for each specified color in sets of three showing maximum color range.

Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

Test reports: Certify each product complies with specifications.

Certificates: Certify each product complies with specifications.

1. Certify anodized finish thickness.

Qualifications: Substantiate qualifications comply with specifications.

1. Manufacturer with project experience list.

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2. Installer with project experience list.

3. Welders and welding procedures.

Delegated Design Drawings and Calculations: Signed and sealed by responsible design professional.

1. Show location and magnitude of loads applied to building structural frame.

2. Identify deviations from details shown on drawings.

3. Blast Design Calculations

Submit calculations for review and approval prepared by qualified blast consultant, with a minimum of 5 years of experience in design of blast resistant window systems, verifying storefront assembly including anchors comply with specified blast resistance performance. The magnitudes of the design threats W1,W2 and

GP1,GP2 are defined in the Physical Security and Resiliency

Design Standards Data Definitions which is a document separate from the referenced VA Security and Resiliency Design Manual. The

Physical Security and Resiliency Design Standards Data

Definitions are provided on a need to know basis by the structural engineer blast specialist performing the blast design on VA projects. It is the responsibility of the delegated engineer responsible for the design of blast resistant storefronts to request and obtain the Physical Security and

Resiliency Design Data Standard Data Definitions from the VA

Office of Construction and Facilities Management (CFM). Any associated delays or increased costs due to failure to obtain this information will be borne by the contractor.

Operation and Maintenance Data:

1. Care instructions for each exposed finish product.

QUALITY ASSURANCE

Manufacturer Qualifications:

1. Regularly manufactures specified products.

2. Manufactured specified products with satisfactory service on five similar installations for minimum five years.

Project Experience List: Provide contact names and addresses for completed projects.

Installer Qualifications: Manufacturer authorized representative.

1. Regularly installs specified products, including blast rated systems.

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2. Installed specified products with satisfactory service on five similar installations for minimum five years.

Project Experience List: Provide contact names and addresses for completed projects.

Welders and Welding Procedures Qualifications: AWS D1.2/D1.2M.

DELIVERY, STORAGE AND HANDLING

Deliver products in manufacturer's original sealed packaging.

Mark packaging, legibly. Indicate manufacturer's name or brand, type, color, production run number, and manufacture date.

Before installation, return or dispose of products within distorted, damaged, or opened packaging.

Store products indoors in dry, weathertight conditioned facility.

Protect products from damage during handling and construction operations.

WARRANTY

Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

Manufacturer's Warranty: Warrant painted finish against material and manufacturing defects.

1. Warranty Period: 20 years.

PART 2 - PRODUCTS

SYSTEM PERFORMANCE

Delegated Design: Prepare submittal documents including design calculations and drawings signed and sealed by registered design professional, licensed in state where work is located.

1. Minor deviations to details shown on drawings to accommodate manufacturer’s standard products may be accepted by Contracting

Officer's Representative when deviations do not affect design concept and specified performance.

Design aluminum framed storefronts complying with specified performance:

1. Wind and Seismic Load Resistance: ASCE/SEI 7; Design criteria when tested according to ASTM E330/E330M.

Maximum Deflection: 1/175 of span, maximum with minimum 1.65 safety factor.

2. Thermal Movement: Accommodate ambient temperature range of

67 degrees C (120 degrees Fahrenheit).

3. Blast Resistance:

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Mission Critical Protected Facilities:

1) Comply with Section 6.3 of PSDM.

2) W1 design threat level located at standoff distance not to exceed pressures and impulses associated with GP2.

a) Standoff Distance: 50 feet

b) Mullion deformation not to exceed deformation limits shown in Table 6-4 of the referenced Physical Security and

Resiliency Design Manual.

c) Glass shall be restrained within the mullions with ½” bite and 3/8” wide continuous bead of structural silicone adhesive attaching the inner lite of the glass to the frame.

4. Windborne-Debris Impact Resistance: Pass ASTM E1886.

Openings within 9144 mm (30 feet) of Grade: ASTM E1996 large missile test.

Other Openings: ASTM 1996 small missile test.

5. Condensation Resistance: NFRC 500.

Fixed Framing: 45 CRF, minimum.

6. Water Resistance: ASTM E331; No uncontrolled penetration at380 Pa

(8 pounds/square foot), minimum, pressure differential.

7. Fixed Framing Air Infiltration Resistance: ASTM E283;

0.30 liter/second/square meter (0.06 cubic foot/minute/square foot), maximum at 300 Pa (6.24 pounds/square foot), minimum, pressure differential.

MATERIALS

Aluminum:

1. Sheet Metal: ASTM B209M (ASTM B209), minimum 1.6 mm (0.063 inch) thick.

2. Extrusions: ASTM B221M (ASTM B221).

Framing: Minimum 3 mm (0.125 inch) wall thickness.

Glazing Beads, Moldings, and Trim: Minimum 1.25 mm (0.050 inch) thick.

3. Alloy 6063 temper T5 for storefronts.

4. Alloy 6061 temper T6 for guide tracks for sliding doors and other extruded structural members.

Stainless Steel: ASTM A240/A240M; Type 302 or Type 304.

Thermal Break: Manufacturer standard low conductive material retarding heat flow in the framework, where insulating glass is scheduled.

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PRODUCTS - GENERAL

Basis of Design: Interior Systems: Kawneer TriFab 450 non-thermal;

Exterior Systems Kawneer IR 501T thermally broken.

Provide aluminum framed storefronts from one manufacturer and from one production run.

Provide aluminum storefront systems from same manufacturer.

Sustainable Construction Requirements:

1. Aluminum Recycled Content: 50 percent total recycled content, minimum.

FRAMES

Framing Members: Extruded aluminum, thermally broken.

Stops: Provide integral fixed stops and glass rebates and snap-on removable stops.

Provide concealed screws, bolts and other fasteners.

Secure cover boxes to frames in back of lock strike cutouts.

STILE AND RAIL DOORS – NOT USED

FLUSH PANEL DOORS – NOT USED

COLUMN COVERS, SILL FLASHING AND TRIM

Column Covers, Sill Flashing and Trim: Sheet aluminum fabrications shown from sheet aluminum of longest available lengths.

Provide concealed fasteners.

Provide aluminum stiffeners and supporting members as required to maintain component integrity and shape.

For sill flashing, fabricate as a single piece per opening. Fabricate with upturned rear edge.

Embed sill flashing into existing masonry mortar joints at ends to a minimum 3/4".

FABRICATION

Form metal parts and fit and assemble joints, except joints designed to accommodate movement. Seal joints to resist air infiltration and water penetration.

Welding:

1. Make welds without distorting and discoloring exposed surfaces.

2. Clean and dress welds. Remove welding flux and weld spatter.

FINISHES

Aluminum Anodized Finish: NAAMM AMP 500.

1. Color Anodized Finish: AA-C22A42 or AA-C22A44; Class I

Architectural, 0.018 mm (0.7 mil) thick.

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ACCESSORIES

Dielectric Tape: Plastic, non-absorptive, with pressure sensitive adhesive; 0.18 to 0.25 mm (7 to 10 mils) thick.

Barrier Coating: ASTM D1187/D1187M.

Welding Materials: AWS D1.2/D1.2M, type to suit application.

Fasteners:

1. Aluminum: ASTM F468, Alloy 2024.

2. Stainless Steel: ASTM F593, Alloy Groups 1, 2 and 3.

Anchors: Aluminum or stainless steel; type to suit application.

Galvanizing Repair Paint: MPI No. 18.

Touch-Up Paint: Match shop finish.

PART 3 - EXECUTION

PREPARATION

Examine and verify substrate and opening framing suitability for product installation.

1. Coordinate anchor installation built into masonry and concrete.

Protect existing construction and completed work from damage.

Clean substrates. Remove contaminants capable of affecting subsequently installed product's performance.

Apply dielectric tape or barrier coating to aluminum surfaces in contact with dissimilar metals and cementitious materials to minimum

0.7 mm (30 mils) dry film thickness.

INSTALLATION - GENERAL

Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

Install aluminum framed storefronts plumb and true, in alignment and to lines shown on drawings.

Anchor frames to adjoining construction at heads, jambs and sills.

Provide concealed aluminum clips to connect adjoining frame sections.

Touch up damaged factory finishes.

1. Repair galvanized surfaces with galvanized repair paint.

2. Repair painted surfaces with touch up primer.

Tolerances:

1. Variation from Plumb, Level, Warp, and Bow: Maximum 3 mm in 3 meters

(1/8 inch in 10 feet).

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2. Variation from Plane: Maximum3 mm in 3.65 meters (1/8 inch in

12 feet); 6 mm (1/4 inch) over total length.

3. Variation from Alignment: Maximum 1.5 mm (1/16 inch) in-line offset and maximum3 mm (1/8 inch) corner offset.

4. Variation from Square: Maximum 3 mm (1/8 inch) diagonal measurement differential.

PROTECTION, CLEANING AND REPAIRING

Clean exposed aluminum and glass surfaces. Remove contaminants and stains.

Protect aluminum-framed storefronts from construction operations.

Remove protective materials immediately before acceptance.

Repair damage.

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