Addendum 1 Attachment 2 - 07 42 43 - Composite Wall Panels.pdf

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COMPOSITE WALL PANELS

PHASE 500 – 90% SUBMISSION 11793-00 February 10, 2023

SECTION 07 42 43 - COMPOSITE WALL PANELS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Composite wall panel system and accessories with drainable and back-ventilated rainscreen assembly.

1.02 RELATED REQUIREMENTS

A. Section 07 25 00 - Weather Barriers: Water-resistive barrier.

B. Section 07 62 00 - Sheet Metal Flashing and Trim.

1.03 REFERENCE STANDARDS

A. AAMA 509 - Voluntary Test and Classification Method for Drained and Back Ventilated Rain

Screen Wall Cladding Systems; 2014.

B. ASHRAE Std 90.1 I-P - Energy Standard for Buildings Except Low-Rise Residential Buildings;

Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

C. ASTM C1186 - Standard Specification for Flat Fiber Cement Sheets; 2008 (Reapproved 2016).

D. ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials;

2019.

E. ICC (IBC) - International Building Code; Most Recent Edition Adopted by Authority Having

Jurisdiction, Including All Applicable Amendments and Supplements.

F. NFPA 285 - Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of

Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components; 2019.

1.04 SUBMITTALS

A. See Section 01 30 00 - Administrative Requirements for submittal procedures.

B. Product Data: Provide manufacturer's data sheets on each product to be used including, but not limited to, materials, dimensions, accessories, and fasteners.

C. Shop Drawings: Indicate layout, panel locations, and configuration.

1. Indicate size, spacing, and location of support and attachment components, connections, types and locations of fasteners.

2. Indicate necessary provisions for structural and thermal movement between wall panel system and adjacent materials.

D. Samples: Submit two samples of each style and color panel, 12 by 12 inches (305 mm by 305

mm) in size and showing finish color, sheen, and texture.

E. Manufacturer's Instructions: Include instructions for storage, handling, preparation, and installation of product.

F. Manufacturer's qualification statement.

G. Installer's qualification statement.

H. Maintenance Data: Periodic inspection recommendations and maintenance procedures.

I. Warranty Documentation: Submit manufacturer warranty and ensure that forms have been completed in Owner's name and registered with manufacturer.

J. Warranty Documentation for Installation of Building Rainscreen Assembly: Submit installer warranty and ensure that forms have been completed in Owner's name and registered with installer.

1.05 QUALITY ASSURANCE

A. Installer Qualifications: Company specializing in performing work of the type specified in this section with minimum three years of documented experience and approved by manufacturer.

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PHASE 500 – 90% SUBMISSION 11793-00 February 10, 2023

1.06 MOCK-UPS

A. See Section 01 40 00 - Quality Requirements for additional requirements.

B. Locate where directed.

C. Mock-up may remain as part of work.

1.07 DELIVERY, STORAGE, AND HANDLING

A. Store products under waterproof cover, well ventilated, and elevated above grade on a flat surface.

B. Protect materials from harmful environmental elements, construction dust, direct sunlight, and other potentially detrimental conditions.

1.08 FIELD CONDITIONS

A. Do not install panels when air temperature or relative humidity are outside manufacturer's limits.

1.09 WARRANTY

A. See Section 01 78 00 - Closeout Submittals for additional warranty requirements.

PART 2 PRODUCTS

2.01 MANUFACTURERS

2.02 COMPOSITE WALL PANELS

A. Panels: Fiber-cement sheets in compliance with ASTM C1186, Type A.

B. Rainscreen Assembly: Ventilated cavity formed by back of panels and water-resistive barrier;

provide positive drainage to exterior from moisture entering or condensation occurring within panel system.

1. Drained and Back-Ventilated Rainscreen System Classification: V1/W1 when tested in accordance with AAMA 509.

C. Concrete Panel Style: Simulated concrete appearance.

1. Height: 36 inches (914 mm).

2. Length: 96 inches (2438 mm).

3. Thickness: 1/2 inch (13 mm).

4. Panel Orientation: Horizontal and vertical.

5. Color: Chrome | Ferro Light.

6. Products:

a. Rieder; Concrete Skin; www.rieder.cc.

b. Substitutions: See Section 01 60 00 - Product Requirements.

2.03 ACCESSORIES

A. Aluminum Cladding Support System: Thermally isolated from substrate with vertical face fastening. Comply with ASHRAE Std 90.1 I-P and NFPA 285.

1. Substrate: As indicated on drawings.

2. Thermal Spacer: Prefastened flame retardant polypropylene copolymer isolator at base of brackets, with 3/16 inch (5 mm) nominal thickness.

3. Brackets: Extruded aluminum, with thermal spacer at base and slot at top to allow field adjustment and alignment of rails.

a. Range of Height Adjustment: As indicated on drawings.

4. Vertical Rail: Cladding support, extruded aluminum with 0.094-inch (2.4 mm) minimum thickness, and 118-1/8 inches (3000 mm) long; attached to bracket.

5. Horizontal Rail: Cladding support, extruded aluminum with 0.094-inch (2.4 mm) minimum thickness and unique profile, 118-1/8 inches (3000 mm) long; attached to vertical rail.

6. Fasteners: Provide support system and cladding attachment fasteners as recommended by system manufacturer in accordance with requirements.

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PHASE 500 – 90% SUBMISSION 11793-00 February 10, 2023

B. Concealed Clip System: Manufacturer's standard system consisting of starter tracks, panel clips, corner clips, sealant backers, spacers, and undercut anchors.

PART 3 EXECUTION

3.01 EXAMINATION

A. Examine substrate, clean and repair as required to eliminate conditions that would be detrimental to proper installation.

B. Verify that water-resistive barrier has been properly installed; see Section 07 25 00.

C. Inspect products thoroughly prior to installation. Do not install any product which may have been damaged in shipment or appears to have a damaged or irregular finish.

D. Do not begin until unacceptable conditions have been corrected.

E. If substrate preparation is responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.02 PREPARATION

A. Touch-up field cut edges before installing.

B. Protect surrounding areas and adjacent surfaces from damage during execution of this work.

3.03 INSTALLATION

A. Wall Panels:

1. Install in accordance with manufacturer's instructions.

2. Install wall panels with manufacturer's recommended concealed attachment system.

3.04 CLEANING

A. See Section 01 70 00 - Execution and Closeout Requirements for additional requirements.

B. Clean exposed work upon completion of installation; remove grease and oil films, excess joint sealer, handling marks, and debris from installation, leaving work clean and unmarked, free from dents, creases, waves, scratch marks, or other damage to finish.

3.05 PROTECTION

A. Protect installed products until Date of Substantial Completion.

B. Touch-up, repair or replace damaged products before Date of Substantial Completion.

END OF SECTION

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PHASE 500 – 90% SUBMISSION 11793-00 February 10, 2023