SECTION 08814.doc

Building P-1 Fitness Center Renovation

Quonset Air National Guard

TWLR 082875

North Kingstown, Rhode Island

Copyright 1998, The American Institute of Architects (AIA)

SECTION 08814

MIRRORED GLASS

PART 1 - GENERAL

SUMMARY

A. This Section includes the following:

1. Silvered mirrored glass.

DEFINITIONS

B. Deterioration of Silvered Mirrored Glass: Defects developed from normal use that are attributable to the manufacturing process and not to causes other than glass breakage and practices for maintaining and cleaning silvered mirrored glass contrary to mirrored glass manufacturer's written instructions. Defects include discoloration, black spots, and clouding of the silver film.

Delete paragraph above if no silvered mirrored glass. Delete below if no pyrolytic mirrored glass.

PERFORMANCE REQUIREMENTS

C. Provide mirrored glass that will not fail under normal usage. Failure includes glass breakage and deterioration attributable to defective manufacture, fabrication, and installation.

SUBMITTALS

D. Product Data: For the following:

The majority of manufacturers of mirrors with silver backing do not publish standard Product Data and will have to prepare description required below, if this submittal requirement is to be enforced.

1. Silvered mirrored glass. Include description of materials and process used to produce mirrored glass that indicates source of glass, glass coating components, edge sealer, and quality-control provisions.

2. Mirror hardware.

E. Product Certificates: Signed by manufacturers of mirrored glass and mirror mastic certifying that products furnished comply with requirements.

QUALITY ASSURANCE

Delete paragraph above or below. If retaining above, verify with prospective installers that they can comply with glazier certification requirements.

F. Glazing Publications: Comply with published recommendations in GANA's "Glazing Manual," unless more stringent requirements are indicated. Refer to this publication for definitions of glass and glazing terms not otherwise defined in this Section or in referenced standards.

G. NAAMM's Publication: For silvered mirrored glass, comply with recommendations in NAAMM's "Mirrors, Handle with Extreme Care, Tips for the Professional on the Care and Handling of Mirrors."

DELIVERY, STORAGE, AND HANDLING

H. Protect glazing materials according to mirrored glass manufacturer's written instructions and as needed to prevent damage to glass and glazing materials from condensation, temperature changes, direct exposure to sun, or other causes.

Delete below if no silvered mirrored glass is specified.

I. For silvered mirrored glass, comply with mirrored glass manufacturer's written instructions for shipping, storing, and handling mirrored glass as needed to prevent deterioration of silvering, damage to edges, and abrasion of glass surfaces and applied coatings. Store indoors, protected from moisture including condensation.

PROJECT CONDITIONS

J. Environmental Limitations: Do not install mirrored glass until ambient temperature and humidity conditions are maintained at levels indicated for final occupancy.

WARRANTY

K. General Warranty: Special warranty specified in this Article shall not deprive the Government of other rights the Government may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by Contractor under requirements of the Contract Documents.

L. Manufacturer's Special Warranty for Silvered Mirrored Glass: Written warranty, made out to Government and signed by mirrored glass manufacturer agreeing to replace silvered mirrored glass units that deteriorate as defined in "Definitions" Article, f.o.b. the nearest shipping point to Project site, within specified warranty period indicated below:

1. Warranty Period: Five years from date of project completion and acceptance by the Government.

PART 2 - PRODUCTS

MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. American Mirror Company, Inc.

2. Carolina Mirror Company.

3. Donisi Mirror Company.

4. Gardner Glass Products.

5. Gilded Mirrors, Inc.

6. Lenoir Mirror Company.

7. Stroupe Mirror Co., Inc.

8. Sunshine Mirror.

9. Virginia Mirror Co., Inc.

10. VVP America, Inc.; Binswanger Mirror Products.

11. Walker Glass Co., Ltd.

FLOAT GLASS

B. Annealed Float Glass: ASTM C 1036, Type I (transparent glass, flat), class, quality, and other properties as indicated below:

1. Clear Annealed Float Glass: Class 1 (clear), Quality q2 (mirror).

a. Thickness: 1/4 inch.

MIRRORED GLASS

C. Silvered Mirrored Glass: Annealed, clear float glass with successive layers of chemically deposited silver, electrically or chemically deposited copper, and manufacturer's standard organic protective coating applied to second glass surface to produce a coating system complying with FS DD-M-411.

FABRICATION

D. Mirrored Glass Sizes: Cut mirrored glass to final sizes and shapes to suit Project conditions after verifying vanity dimensions between partitions.

E. Mirrored Glass Edge Treatment: Treat edges as indicated below.

1. Flat polished edge.

2. Seal edges of silvered mirrored glass after edge treatment to prevent chemical or atmospheric penetration of glass coating.

3. Require mirrored glass manufacturer to perform edge treatment and sealing in factory immediately after cutting to final sizes.

MISCELLANEOUS MATERIALS

F. Setting Blocks: Neoprene, 70 to 90 Shore A hardness.

G. Edge Sealer: Coating compatible with glass coating and approved by mirrored glass manufacturer for use in protecting against silver deterioration at mirrored glass edges.

H. Mirror Bottom Clips: Two stainless steel fixed clips.

I. Mirror Top Clips: Two stainless steel adjustable clips.

J. Fasteners: Fabricated of same basic metal and alloy as fastened metal and matching it in finished color and texture where fasteners are exposed.

K. Anchors and Inserts: Provide devices as required for mirror hardware installation. Provide toothed or expansion-bolt devices for drilled-in-place anchors.

PART 3 - EXECUTION

EXAMINATION

A. Examine substrates, over which mirrored glass units are to be mounted, with Installer present, for compliance with installation tolerances, substrate preparation, and other conditions affecting performance.

1. Verify compatibility with and suitability of substrates, including compatibility of mirror mastic with existing finishes or primers.

2. Proceed with mirrored glass installation only after unsatisfactory conditions have been corrected and surfaces are dry.

PREPARATION

B. Comply with mastic manufacturer's written installation instructions for preparation of substrates.

GLAZING

C. General: Install mirrored glass units to comply with written instructions of mirrored glass manufacturer and with referenced GANA and NAAMM publications.

D. Provide space for air circulation between back of mirrored glass units and face of mounting surface.

E. For wall-mounted mirrored glass units, install permanent means of support at bottom and top edges with bottom support designed to withstand mirrored glass weight and top support designed to prevent mirrored glass from coming away from wall along top edges.

1. Attach mirror hardware securely to mounting surfaces with mechanical fasteners installed with anchors or inserts as applicable. Install fasteners so heads do not impose point loads on backs of mirrored glass units.

2. For metal clips, place a felt or plastic pad between mirrored glass and each clip to prevent spalling of mirrored glass edges.

3. Install bottom and top clips symmetrically placed and evenly spaced.

PROTECTION AND CLEANING

F. Protect mirrored glass from breakage and contaminating substances resulting from construction operations.

1. Do not permit edges of silvered mirrored glass to be exposed to standing water.

2. Maintain environmental conditions that will prevent silvered mirrored glass from being exposed to moisture from condensation or other sources for continuous periods of time.

G. Wash mirrored glass not more than four days before date scheduled for inspections intended to establish date for project completion and acceptance by the Government. Wash mirrored glass by methods recommended in NAAMM publication and in writing by mirrored glass manufacturer. Use water and glass cleaners free from substances capable of damaging mirrored glass edges or coatings.

END OF SECTION 08814

Mirrored Glass

08814-1