1611490 Spec 09 78 00.pdf

P658 Nuclear Regional Maintenance Facility 1611490 NSB Kings Bay, GA

SECTION 09 78 00

METAL DESIGNS AND LAMINATES

06/23

PART 1 GENERAL

1.1 DESCRIPTION OF WORK

Work Included: Metal designs and laminates for interior spaces.

1.2 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.

ASTM INTERNATIONAL (ASTM)

ASTM E84 (2020) Standard Test Method for Surface Burning Characteristics of Building Materials

1.3 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for Contractor Quality Control approval. When used, a code following the "G" classification identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Metal Veneer; G, AE

Installation Drawings; G, AE

Construction Details; G, AE

SD-03 Product Data

Materials; G, AE

SD-04 Samples

Manufacturer's Standard Color Charts; G, OIC

SD-08 Manufacturer's Instructions

Cleaning Materials

Preventative Maintenance and Inspection

Maintenance Instructions

Application Methods

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1.4 QUALITY CONTROL

1.4.1 Installer

Minimum 2 years installing similar products.

1.4.2 Mock-Ups

Build mock-ups to demonstrate esthetic effects and workmanship. Accepted mockups may remain in place.

1.4.3 Fire Performance for Metal Materials

ASTM E84 Class A, flame spread index of 0, smoke developed index of 0.

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Delivery

Deliver materials in unopened, undamaged containers with identification labels intact.

1.5.2 Storage and Handling

Comply with manufacturer's recommendations for storage and handling. Store flat and not on edge. Protect from weather damage.

1.6 WARRANTY

1.6.1 Manufacturer's Warranty

In the production of metal designs and laminates some surface irregularities and color and pattern variations will appear. We recommend that you inspect the material before cutting, laminating, or using. If any material proves to be defective, the metal manufacturer will be liable for the cost of that material only. No other warranty is expressed or implied.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

2.1.1 Basis of Design

Chemetal, 39 O'Neill Street, Easthampton, MA 01027, tel. 800 807-7341, email sales@chemetal.com

2.1.2 Materials from Manufacturer's Standard Color Charts

a. Chemetal 900 Series - Anodized Classics

b. Chemetal Number: 917.

c. Chemetal Name: Brushed Black Aluminum.

d. Thickness: .025 inches.

e. Sheet Size: Cut to shape shown on detail D/A-413.

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f. Brushed finish direction: Vertical.

2.1.3 Accessory Materials

Adhesives as acceptable to manufacturer.

2.1.4 Substrates and Balancing Sheets

a. Metal veneer must be laminated to MDF, HDF, better quality particleboard or very good quality plywood (Baltic Birch, for example). Substrate thickness must allow for finish face of metal veneer to sit flush with adjoining surface finishes.

b. Do not apply directly to gypsum board (sheet rock), concrete or poor-quality particle board.

c. Balancing sheets of similar thickness and material are recommended for balanced construction to prevent warping.

2.1.5 Fabrication

Metal manufacturer will complete custom cuts prior to installation.

Comply with manufacturer's recommendations for fabrication including the following:

a. Condition materials to ambient conditions of the surrounding before use. Provide for circulation of air around the components.

b. Conditioning temperature shall be approximately 75 degrees F (24 degrees C), at 45 to 55 percent relative humidity.

c. Use saws, routers, and belt sanders in accordance with manufacturer's recommendations.

d. Remove protective mask as soon as application is complete.

PART 3 EXECUTION

3.1 EXAMINATION

Examine existing conditions to determine that they are suitable for installation. Proceed with installation only when unsatisfactory conditions have been corrected. Inspect sheet by peeling back corner of mask prior to fabrication.

3.2 INSTALLATION

Pre-condition materials for a period of 5 to 7 days in the environment that they will be fabricated and installed in. Acclimatize for 48 hours as recommended by manufacturer. Clean substrates of projections and substances detrimental to application.

Install units in accordance with manufacturer's instructions, approved submittals, and in proper relationship to adjacent construction.

Some materials are supplied with directional arrows for ease of installation and maintaining a uniform appearance. If the sheet you purchased has an arrow, make sure that when the product is installed the arrows are facing in the same direction.

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Remove protective mask after installation.

Submit installation drawings for metal veneer, and construction details showing location, dimensions, size, and weight or gauge as applicable of each metal veneer item; type and location of shop and field connections;

and other pertinent construction details.

3.3 CLEANING

Before final acceptance, wash exposed-to-view aluminum surfaces with clean water and soap and rinse with clean water. Do not use acid solutions, steel wool, or other harsh abrasives. Remove stains that remain after cleaning or restore the finish in accordance with the aluminum manufacturer's Maintenance Instructions.

Perform all Preventative Maintenance and Inspection in accordance with the aluminum producer's recommended Cleaning Materials and Application Methods including precautions in the use of cleaning materials that maybe detrimental to the aluminum finish when improperly applied.

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