Attachment 13 - Revised Specification Section 07 41 10.pdf

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SECTION 07 41 10

EXTERIOR ALUMINUM COMPOSITE WALL PANELS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Drained and back ventilated rainscreen.

a. Design, fabrication, finishing and erecting exterior framed and furred walls.

1.2 RELATED REQUIREMENTS

A. Flashing and sheet metal: Section 07 60 00 Formed sheet metal work for wall and roof flashing.

B. Exterior Metal Framing: Section 05 40 00 Cold-Formed Metal Framing.

C. Joint Sealants: Section 07 92 00, exterior sealants.

D. Glazing: Section 08 80 00, GLAZING.

E. Glazed Aluminum Curtain Wall: Section 08 44 13, GLAZED ALUMINUM CURTAIN

WALLS.

F. Glazing: Section 08 80 00, GLAZING.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. ASTM International (ASTM):

1. ASTM C518-17, “Standard Test Method for Steady-State Thermal

Transmission Properties by Means of the Heat Flow Meter”.

2. C553-13 - Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications.

3. C612-14 - Mineral Fiber Block and Board Thermal Insulation.

4. E84-15a - Surface Burning Characteristics of Building Materials.

5. ASTM E96-13, “Test Method for Water Vapor Transmission of

Materials”.

6. ASTM E72-05, “Standard Test Method of Conducting Strength Tests of

Panels for Building Construction”.

7. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

1.4 SUBMITTALS

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

B. Submittal Drawings:

1. Show layout; details of edge conditions; joints; panel profiles;

corners; and product components, including finish, color & texture, 07 41 10 - 2 anchorage and attachment system. Distinguish between factory and field-assembled work.

2. Include details showing: Material thickness and dimensions of the various system parts, fastening methods, jointing pattern, jointing details, configuration of joints necessary to accommodate thermal movement.

3. For installed products indicated to comply with design loads, include structural analysis data signed and sealed by the qualified

Professional Engineer responsible for the preparation.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Construction details, material descriptions, dimensions of individual components and profiles, and finishes for each type metal wall panel and accessory.

3. Manufacturer's Installation Instructions: Indicate special handling criteria, installation sequence, cleaning procedures.

4. Sample product warranty.

D. Samples showing finish, color and texture:

1. Selected Samples: Manufacturer's color chart or chips illustrating full range of colors, finishes and patterns available for composite metal panels with factory-applied finishes.

2. Include separate sets of finish samples an aluminum substrate, not less than 12" x 12" (304 x 304 mm), of each color and finish selected, for color approval.

E. Quality Assurance Submittals:

1. Include test reports for air infiltration, water penetration and structural performance.

2. Closeout Submittals: Submit warranties specified elsewhere in this section.

1.5 QULAITY ASSURANCE

A. Qualifications:

1. Installers experienced in performing work of this section have specialized in the installation of work similar to that required for this project.

2. Manufacturer capable of providing field service representation during construction.

a. Company with a minimum of five years of continuous experience manufacturing panel material or the type specified.

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b. List of five other projects of similar size, including approximate date of installation and name of Architect for each.

1.6 DELIVERY

A. Comply with manufacturer's ordering instructions and lead times requirements to avoid construction delays.

B. All materials under this section shall be delivered with the identification label intact, and be packaged, boxed, wrapped in the manufacturer's original, unopened, undamaged containers or be otherwise protected to assure complete protection from reasonable damage during shipment, storage and handling.

1. Protect finish of panels by applying PVC removable plastic film.

This film must be removed immediately after installation to avoid prolonged exposure to direct sunlight.

2. Protect composite wall panels against transportation damage. Provide marking to identity components consistently with drawings.

3. Exercise care in unloading, storing, and installing panels to prevent bending, warping, twisting, and surface damage.

C. Materials shall be stored in enclosed spaces, above ground, under protective covers. Extreme care shall be taken to avoid contact with moisture, condensation, or materials, which might cause staining, such as lime, cement, fresh concrete, or chemicals.

D. Storage and Protection: Store materials protected from exposure to harmful weather conditions and at temperature conditions recommended by manufacturer.

1. Store panels in well-ventilated space out of direct sunlight.

2. Protect panels from moisture and condensation with tarpaulins or other suitably ventilated weather tight covering.

a. Slope panels to insure positive drainage and prevent water accumulation.

b. Do not store panels in any enclosed space where ambient temperature can exceed 120°F (49°C).

3. Avoid contact with any other material that might cause staining, denting, scratching or other surface damage.

E. IMPORTANT: To prevent adhesive transfer to finish, Exterior Aluminum

Composite Wall Panels must not be stored for prolonged periods of time, be stored in direct sunlight or be subjected to high heat, prior to installation.

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

1.7 PROJECT CONDITIONS

A. Field Measurements: Verify actual measurements and openings by field measurements before fabrication. Show recorded measurements on shop drawings. Coordinate field measurements and fabrication schedules with construction team to avoid delays.

1.8 WARRANTY

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

Construction."

B. Manufacturer's Warranty: Submit, for Owner's acceptance, manufacturer's standard warranty document executed by authorized company official.

1. Warranty: 10 Years, Fluoropolymer resin-based coating Finish

Warranty.

PART 2 - PRODUCTS

2.1 COMPOSITE METAL PANEL SYSTEM.

A. Composite Metal Panels:

1. Core: Thermoplastic material that meets performance characteristics specified when fabricated into composite assembly.

2. Face Sheets: Aluminum alloy .020" (.51mm) thick and as follows:

a. Coil coated with specified high performance finish.

b. Thermally bonded in continuous process without glues or adhesives to core material.

3. Bond Integrity: Tested for resistance to delimitation as follows:

a. Bond Strength: 1,500 psi (10.3 Mpa) minimum, per ASTM C 297.

b. Peel Strength: 33.6 inch-lb./inch (150 N-m/m) minimum, per

ASTM D1781.

c. No change in bond performance after eight hours of submission in boiling water and after 21 days of immersion in water at

70°F.

4. Fire Performance for both 4 and 6mm.

a. Flame Spread: 0, when tested per ASTM E84.

b. Smoke Developed: 10 maximum, when tested per ASTM E84.

c. Surface Flammability: Pass when tested per modified ASTM

E108.

d. Passes NFPA 285 testing as a part of an approved assembly.

5. Production Tolerances:

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a. Width: +/- 0.08"/3 ft ( +/- 1 mm/m).

b. Length: +/- 0.0873 ft ( +/- 1 mm/m).

c. Thickness: +/-0.008" (+/- 0.2mm) for 4mm panels; +/-0.012"

(+/- 0.3mm) for 6mm panels.

d. Bow: Maximum 0.8% length or width.

e. Squareness: Maximum 0.2" (5.1mm).

f. Edges of sheet shall be square and trimmed with no displacement of aluminum sheet or protrusion of core material.

6. Panel Thickness:

a. Material thickness shall be 3mm Standard PE Core, 4mm

Standard PE Core, 6mm Standard PE Core or 4mm Fire-Rated (FR)

Core, as specified based on application and core composition.

B. Attachment Extrusions:

1. Alloy 6063 T5.

2. Clips or Perimeter Extrusion, as required.

3. Mechanically attached to panel.

C. Stiffeners:

1. Alloy 6063 T5.

2. Spaced as required for flatness

3. Attached with VHB tape and silicone.

2.2 ACCESSORIES

A. General: Installer is to supply standard accessories, including fasteners, clips, anchorage devices, attachments, backer-rods, and sealants.

2.3 RELATED MATERIALS

A. General: Refer to other related section(s) regarding related materials, including cold-formed metal framing, flashing and trim, joint sealer, aluminum windows, glass and glazing and curtain walls.

2.4 FABRICATION

A. General: Shop Fabricate to size and joint configurations indicated on the drawings.

1. Where final dimensions cannot be established by field measurements, provide allowance for field adjustment as recommended by the fabricator.

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B. Form panel lines, breaks and angles to be sharp and true, with a surface that is free from warp or buckle.

1. Fabricate with sharply formed edges, with no displacement of aluminum sheet or protrusion of core.

C. Based on project requirements and location/type of panel requested, panels will have pre-attached perimeter extrusions and stiffeners at the manufacturer or they will be shipped loose.

2.5 FINISHES

1. Factory Finish: Fluoropolymer resin-based coating that meets or exceeds performance values expressed in AAMA 2605 where relevant to coil coatings.

2. Field color as selected by the Architect:

a. DECORATIVE METAL RAINSCREEN PANEL – TYPE 1 & TYPE 3.

3. Accent color as selected by the Architect:

a. DECORATIVE METAL RAINSCREEN PANEL – TYPE 2.

b. DECORATIVE METAL RAINSCREEN PANEL – TYPES 3 & 4, reserved.

PART 3 - EXECUTION

3.1 MANUFACTURER'S INSTRUCTIONS

A. A. Compliance: Comply with manufacturer's product data, including product technical bulletins, installation instruction drawings and product(s) carton instructions.

3.2 EXAMINATION

A. Site Verification of Conditions: Verify substrate conditions, which have been previously installed under other sections, are acceptable for product installation.

3.3 PREPARATION

A. Adjacent Surfaces Protection: Protect adjacent work areas and finished surfaces from damage.

3.4 INSTALLATION

A. General:

1. Install panels plumb, level and true, in compliance with manufacturer's recommendations.

2.

3.5 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings. No insulation shall be exposed after installation.

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

2. Anchor panels securely in place, in accordance with fabricator's approved shop drawings.

3. Comply with provisions of Section 07 92 00 for installation of joint sealers.

B. Installation Tolerances: Maximum deviation from horizontal and vertical alignment of installed panels: 0.25" in 20' (6.4mm in 6.1 m), non-cumulative.

C. Mock-up:

1. Construct mock-up, 6 feet long by 6 feet wide, including panels, attachments to building frame, sealants and seals.

2. Demonstrate component assembly including panel materials, corners

(inside and outside), window openings, weep drainage system, attachments, anchors, and perimeter sealant.

3. Locate where directed.

4. Mock-up may remain as part of the Work.

3.6 ADJUSTING

A. Adjusting:

1. Repair panels with minor damage so those repairs are not discernible at a distance of 120" (10' or 3.1m).

2. Remove and replace panels damaged beyond repair.

3. Remove protective film immediately after installation of panels to avoid prolonged exposure to sunlight. See IMPORTANT notice following

Section 1.6.E.

4. Remove from project site damaged panels, protective film and other debris attributable to work of this section.

3.7 CLEANING

A. Cleaning: Remove temporary coverings and protection of adjacent work areas. 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.

3.8 PROTECTION

A. Protection: Protect the installed product's finished surface from damage during construction.

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1. Institute reasonable protective measures as required assuring that installed panels will not be damaged by work of other trades.

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