08 81 00_AM 6.pdf

REPAIR BUILDING 606, GENERAL INSTRUCTION BUILDING W912DS19C0034

USMA, WEST POINT, NY PN 94078

SECTION 08 81 00

GLAZING

05/19

PART 1 GENERAL

1.1 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.

AMERICAN ARCHITECTURAL MANUFACTURERS ASSOCIATION (AAMA)

AAMA 800 (2016) Voluntary Specifications and Test Methods for Sealants

AAMA GDSG-1 (1987) Glass Design for Sloped Glazing

AAMA TIR A7 (2011) Sloped Glazing Guidelines

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI Z97.1 (2015) Safety Glazing Materials Used in Buildings - Safety Performance Specifications and Methods of Test

ASTM INTERNATIONAL (ASTM)

ASTM C509 (2006; R 2021) Standard Specifiaction for Elastomeric Cellular Preformed Gasket and Sealing Material

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

ASTM C1021 (2008; R 2014) Standard Practice for Laboratories Engaged in Testing of Building Sealants

ASTM C1036 (2021) Standard Specification for Flat Glass

ASTM C1048 (2018) Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass

ASTM C1087 (2016) Standard Test Method for Determining Compatibility of Liquid-Applied Sealants with Accessories Used in Structural Glazing Systems

ASTM C1172 (2019) Standard Specification for Laminated Architectural Flat Glass

ASTM C1184 (2014) Standard Specification for Structural Silicone Sealants

SECTION 08 81 00 Page 1

ASTM C1281 (2016) Standard Specification for Preformed Tape Sealants for Glazing Applications

ASTM C1629/C1629M (2023) Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels

ASTM D395 (2016; E 2017) Standard Test Methods for Rubber Property - Compression Set

ASTM D4977 Standard Test Method for Granule Adhesion to Mineral-Surfaced Roofing by Abrasion

ASTM E84 (2023) Standard Test Method for Surface Burning Characteristics of Building Materials

ASTM E162 (2024) Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source

ASTM E695 (2022) Standard Test Method of Measuring Relative Resistance of Wall, Floor, and Roof Construction to Impact Loading

ASTM E1300 (2016) Standard Practice for Determining Load Resistance of Glass in Buildings

ASTM E2190 (2010) Standard Specification for Insulating Glass Unit Performance and Evaluation

ASTM E2226 (2023a) Standard Practice for Application of Hose Stream

GLASS ASSOCIATION OF NORTH AMERICA (GANA)

GANA Glazing Manual (2008) Glazing Manual

GANA Sealant Manual (2008) Sealant Manual

GANA Standards Manual (2008) Engineering Standards Manual

INSULATING GLASS MANUFACTURERS ALLIANCE (IGMA)

IGMA TB-1200 (1983; R 2016) Guidelines for Insulating Glass Dimensional Tolerances

IGMA TB-3001 (2001) Guidelines for Sloped Glazing

IGMA TM-3000 (1990; R 2016) North American Glazing Guidelines for Sealed Insulating Glass Units for Commercial & Residential Use

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NATIONAL FENESTRATION RATING COUNCIL (NFRC)

NFRC 100 (2020) Procedure for Determining Fenestration Product U-Factors

NFRC 200 (2020) Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at Normal Incidence

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 80 (2022) Standard for Fire Doors and Other Opening Protectives

NFPA 257 (2022) Standard on Fire Test for Window and Glass Block Assemblies

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

16 CFR 1201 Safety Standard for Architectural Glazing Materials

UNDERWRITERS LABORATORIES (UL)

UL 9 (2009; Reprint Mar 2020) Standard for Fire Tests of Window Assemblies

1.2 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. 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:

Submit an Environmental Product Declaration (EPD) from the manufacturer for glass within this specification section, if available. A statement of the contactor's good faith effort to obtain the EPD shall be provided if not available.

Manufacturer-provided EPDs must be Product specific Type III (Third-Party Reviewed), in adherence with ISO 1425 Environmental labels and declarations. ISO 14044 Environmental management - Life cycle assessment, and ISO 21930 Core rules for environmental product declarations of construction products and services."

SD-03 Product Data

Insulating Glass ; G, AE

Electrochromic Glass ; G, AE

Glazing Accessories ; G, AE

Sealants ; G, AE

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SD-04 Samples

Insulating Glass ; G, AE

Switchable Privacy Glass ; G, AE

Glazing Tape; G, AE

SD-05 Design Data

Delegated Design

SD-07 Certificates

Insulating Glass ; G, AE

SD-08 Manufacturer's Instructions

Switchable Privacy Glass

Setting and Sealing Materials

Glass Setting

SD-11 Closeout Submittals

Warranty for Insulated Glass Units

Warranty for Coated Low-e Glass Units

Warranty for Laminated Glass Units

Warranty for Monolithic Opacified Spandrel

Warranty for Switchable Privacy Glass Units

1.3 SYSTEM DESCRIPTION

Fabricate and install watertight and airtight glazing systems to withstand thermal movement and wind loading without glass breakage, gasket failure, deterioration of glazing accessories , or defects in the work. Glazed panels must comply with the safety standards, in accordance with ANSI Z97.1 , and comply with indicated wind/snow loading in accordance with ASTM E1300.

Sloped glazing must comply with AAMA GDSG-1 and AAMA TIR A7 , and

IGMA TB-3001 .

1.4 QUALITY CONTROL

Submit two 8 by 10 inch samples of each of the following: spandrel glass, fire resistive glass, heat-absorbing glass, switchable privacy glass and each different type of insulating glass units.

Submit three samples of each other material.

1.5 DELIVERY, STORAGE, AND HANDLING

Deliver products to the site in unopened containers, labeled plainly with

SECTION 08 81 00 Page 4 manufacturers' names and brands. Store glass and setting materials in safe, enclosed dry locations and do not unpack until needed for installation. Handle and install materials in a manner that will protect them from damage.

1.6 ENVIRONMENTAL REQUIREMENTS

Do not start glazing work until the outdoor temperature is above 40 degrees F and rising, unless procedures recommended by the glass manufacturer and approved by the Contracting Officer are made to warm the glass and rabbet surfaces. Provide ventilation to prevent condensation of moisture on glazing work during installation. Do not perform glazing work during damp or rainy weather.

1.7 WARRANTY

1.7.1 Warranty for Insulated Glass Units

For a periods of 10-years following acceptance of the work: Warranty insulating glass units against development of material obstruction to vision (such as dust, fogging, or film formation on the inner glass surfaces) caused by failure of the hermetic seal, other than through glass breakage. Provide new units for any units failing to comply with terms of this warranty within 45 working days after receipt of notice from the Government.

1.7.2 Warranty for Coated Low-e Glass Units

For a period of 10-years following acceptance of the work:

Manufacturer's Special Warranty for Coated-Glass Products: Manufacturer agrees to replace coated-glass units that deteriorate within specified warranty period. Deterioration of coated glass is defined as defects developed from normal use that are not attributed to glass breakage or to maintaining and cleaning coated glass contrary to manufacturer's written instructions. Defects include peeling, cracking, and other indications of deterioration in coating.

1.7.3 Warranty for Laminated Glass Units

For a period of 10 years following acceptance of the work:

Manufacturer's Special Warranty for Laminated Glass: Manufacturer agrees to replace laminated-glass units that deteriorate within specified warranty period. Deterioration of laminated glass is defined as defects developed from normal use that are not attributed to glass breakage or to maintaining and cleaning laminated glass contrary to manufacturer's written instructions. Defects include edge separation, delamination materially obstructing vision through glass, and blemishes exceeding those allowed by referenced laminated-glass standard.

1.7.4 Monolithic Opacified Spandrel Glass Units

For a period of 5 years following acceptance of the work:

Manufacturer must warrant the opacifier film on the spandrel to be free of peeling. Warranty must be signed by manufacturer.

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1.7.5 Warranty for Switchable Privacy Glass Units

For a period of 5-years following acceptance of the work:

a. Manufacturer must warrant the laminated units against defects in manterial or workmanship causing material obstruction of vision as a result of electrical failure of the switchable film and defects in material or workmanship causing the switchable film to no longer switch from frosted to translucent. Warranty to cover defects including edge separation, delamination materially obstructing vision through glass, and blemishes exceeding those allowed by referenced laminated-glass standard of ASTM.

1.8 PERFORMANCE REQUIREMENTS

1.8.1 Delegated Design

Engage a qualified professional engineer to design glazing.

a. Delegated Design Services Statement:

1. Submit a statement signed and sealed by an engineer licensed to practice in New York State indicating that the glazing systems are in compliance with performance and design criteria indicated.

Include list of codes, loads, and other factors used in performing these services.

b. Structural Performance: Glazing shall withstand the following design loads within limits and under conditions indicated determined in accordance with the IBC and ASTM E1300:

1. Design Wind Pressures: As indicated on Drawings.

2. Determine design wind pressures applicable to Project according to ASCE/SEI 7, based on heights above grade indicated on Drawings.

3. Importance Factor: 1.0.

4. Exposure Category: B.

5. Maximum Lateral Deflection: For glass supported on all four edges, limit center-of-glass deflection at design wind pressure to not more than 1/50 times the short-side length or 1 inch (25 mm), whichever is less.

c. Differential Shading: Design glass to resist thermal stresses induced by differential shading within individual glass lites.

d. Provide products and systems complying with specific performance and design criteria indicated.

e. If criteria indicated are not sufficient to perform services or certification required, submit a written request for additional information to Architect.

f. Structural performance all-glass borrowed lites, including attachment to building construction, are to withstand the effects of gravity loads and the following loads and stresses within limits and under conditions indicated

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1. Uniform load of 50 lbf/ft. (0.73 kN/m) applied in any direction.

g. General Where glass thickness is indicated, it is a minimum.

h. See Delegated Design paragraph for clarification of required thicknesses.

i. Provide glass that complies with performance requirements and is not less than thickness indicated.

PART 2 PRODUCTS

2.1 GLASS

ASTM C1036, unless specified otherwise. In doors and sidelights and within a 12 inch height above adjacent walking surfaces , provide safety glazing material conforming to 16 CFR 1201 . Comply with performance requirements as indicated in Glazing Schedule at end of section.

2.1.1 Annealed Glass

Type I, Class 1 (clear) and Class 2 (tinted) , Quality 83. Provide for glazing minimum.

2.1.2 Laminated Glass

ASTM C1172, Laminated glass fabricated from a minimum 1/8 inch thick pieces of Type I, Class 1, Quality Q3, flat annealed clear glass conforming to ASTM C1036. Flat glass to be laminated together with a minimum of 0.030 inch inch thick, clear polyvinyl butyral laminate, conforming to requirements of 16 CFR 1201 and ASTM C1172. The total thickness of nominally 1/4 inches . Color to be clear.

Provide Type I, Kind HS glazing for laminated spandrel glazing locations.

2.1.3 Tempered Glass

ASTM C1048, Kind FT (fully tempered), Type I, Quality q3, 1/4 inch thick, minimum conforming to ASTM C1048 and GANA Standards Manual . Provide wherever safety glazing material is indicated or specified.

2.1.4 Heat-Strengthened Glass

ASTM C1048, Kind HS (heat strengthened), Condition A (uncoated), Type I, Quality q3, 1/4 inch thick minimum .

2.1.5 Spandrel Glass

2.1.5.1 Film-Opacified Spandrel Glass

Film-opacified spandrel glass must be Kind HS heat-strengthened transparent flat type, Quality q3 - glazing select, Condition C glass with a polyester or polyethylene film 2 mils to 5 mils thick attached to No. 2 surface of a sputtered solar-reflective film, conforming to ASTM C1048.

Film opacification must be compatible to and specifically developed for application to solar reflective films. Color as indicated in Glazing Schedule.

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2.1.6 Fire/Safety Rated Gla zing

Fire-Protection-Rated Glazing: Listed and labeled by a testing agency acceptable to authorities having jurisdiction, for fire-protection ratings indicated, based on positive-pressure testing according to NFPA 257 or UL 9 , including the hose-stream test and compliant with NFPA 80 .

2.1.6.1 90-Minute Fire-Protection-Rated Glazing

Performance Requirements:

a. Make-up: Inboard and outboard lite of clear tempered glass protecting a clear, fire resistive, intumescent interlayer.

b. Appearance tint-free optically clear, fire-protection-rated glazing.

c. Thickness: 3/4 inch (35 mm) minimum or as required to comply with performance criteria.

d. Maximum Clear View Dimensions: area: 100 sq. in.; width: 10 inches.;

height: 33 inches.

e. Fire Rating Requirements: 90 minute minimum at 90 minute-rated doors.

f. Visible Light Transmittance: 81%

g. Impact Safety Rating: CPSC 16 CFR 1201 Cat. I and II.

h. Hose stream test: NFPA 257 ; ASTM E2226

i. Manufacturers Limited Warranty: 5 years.

j. Glass Weight: 9 lbs./sq. ft.

k. Stops: 5/8 inch.

2.1.6.2 Fire-Resistance-Rated Glazing

Listed and labeled by a testing agency acceptable to authorities having jurisdiction, for fire-Resistance rating indicated, based on positive-pressure testing according to NFPA 257 or UL 9 , including the hose-stream test and compliant with NFPA 80 .

2.1.6.2.1 60-Minute Fire-Resistance-Rated Glazing

Performance Requirements:

a. Makeup: Inboard and outboard lite of clear tempered glass protecting a clear, fire resistive, intumenscent interlayer.

b. Appearance: Tint-free, optically clear wireless fire-resistance-rated glazing.

c. Glass Thickness: 1-3/8 inch (48 mm) standard profile, or as required to comply with performance criteria.

d. Maximum Clear View (CV) Dimensions area: 4,952 sq.in.; width/height:

124 inches; height: 33 inches.

SECTION 08 81 00 Page 8

e. Fire Rating Requirements: 60-minutes with hose stream and complies with ASTM E119 (at 5th floor Light Wells).

f. Visible Light Transmittance: 78%.

g. Impact Safety Rating: CPSC 16 CFR 1201 Cat. I and II, ANSI Z97.1

h. Hose stream test: NFPA 257; ASTM E2226.

i. Manufacturer's Limited Warranty: 5 years.

j. Glass Weight: 14 lbs./sq. ft.

k. Surface Abrasion Resistance: Must meet ASTM D4977 Level 3.

l. Stops: 5/8 inch.

2.1.6.2.2 120-Minute Fire-Resistiance-Rated Glazing

Performance Requirements:

a. Makeup: Multiple lites of clear tempered glass with clear, fire resistive, intumenscent interlayers in between.

b. Glass Thickness: 2-5/8 inches (67 mm) standard profile or as required to comply with performance criteria.

c. Glass Weight: 23.4 lbs/sq. ft.

d. Maximum Clear View (CV) Dimensions: Area: 7,980 sq. in., Width/Height:

133 inches.

e. Appearance: Tint-free, optically clear wireless fire-resistance-rated glazing.

f. Visible Light Transmission: 77% with clear tempered.

g. Fire Rating: 120 minutes with hose stream and complies with ASTM E-119. (At stair enclosure.)

h. Impact Safety Resistance: CPSC 16 CFR 1201 Cat. I & II. ANSI Z97.1.

i. Hose stream test: NFPA 257 ; ASTM E2226.

j. Radiant Heat Protection: ASTM E162.

k. Stops: 5/8 inch.

l. Hard Body Impact Classification: Must meet ASTM C1629/C1629M Level 3.

m. Soft Body Impact Classification: Must meet ASTM E695 Level 3.

n. Surface Abrasion Resistance: Must meet ASTM D4977 Level 3.

o. Hose stream test: NFPA 257; ASTM E2226.

p. Stops: 5/8 inch.

q. Manufacturers Limited Warranty: 5-years.

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2.1.6.3 Manufacturer's Fire Rating Glazing Material

a. Label each piece of fire-rated glazing material shall be with a permanent logo including name of product, manufacturer, testing laboratory, fire rating period and safety glazing standards.

b. Glazing materials installed in Hazardous Locations, subject to human impact, shall be certified and permanently labeled as meeting applicable requirements reference in NFPA 80:

1. CPSC 16 CFR 1201 Cat. I & II

2.1.7 Laminated Acoustic Glass

ASTM C1172, Laminated glass fabricated from a minimum two ¼ inch plies of Type I, Class 1, Quality Q3, flat clear tempered glass conforming to ASTM C1036. Flat glass to be laminated together with a minimum of 0.060 inch thick, clear acoustic polyvinyl butyral laminate, conforming to requirements of 16 CFR 1201 and ASTM C1172. The total thickness of nominally 12.06 mm. Appearance: Tint-free, optically clear glass.

2.1.8 Switchable Privacy Glass

Laminated glass assembly consisting of clear glass panes with polyvinyl butyral film (PVB) 0.76 mm (0.030 inch) (minimum) thick film on each side of polymer dispersed liquid crystal film (PDLC) core having electrical connections that when voltage is applied becomes transparent. Submit performance and compliance documentation.

2.1.8.1 Electric Connections

a. Locate bus bar for pwoer connection at top of unit, integrally connected to glass panel.

b. Integrally connect flexible steel conduit, not less than 1800 mm (6 feet long), to steel channel cap. Provide threaded end fitting at free end.

c. Integrally connect type TFFN or THHN number 18 AWG minimum size to panel with not less than 150 mm (6 inches) extending beyond flexible conduct end.

2.1.8.2 Power Conditioner:

a. Designed to provide square wave electrical power to discharge the PDLC film, suppress voltage surges and transients, reduces in rush current, and discharge the PDLC film.

b. Operate from 120 volt AC, 60 Hz input.

c. Provide switchable privacy glass assembly listed by UL in Building Materials Directory or other approved U.S. testing laboratory bearing permanent mark of approval.

2.1.8.3 Electrochromic Glass

a. Both panes ASTM C1048, Kind HS, Condition A, Type I, Class 1, Quality q3, 4.8 mm (1/8 inch) thick.

SECTION 08 81 00 Page 10

b. Size as indicated on drawings.

c. Thickness 5/16 inch.

2.1.8.4 Performance Criteria

a. Operating Temmperature Range (installed environment: Range = 14 deg F to + 122 deg F

b. Specular Light Transmittance: T (On) - 75%, T (Off) - .01%

c. Parallel Light Transmittance: T (On) - 70%, T (Off) - 5%

d. Total Light Transmittance: T (On) - 75%, T (Off) - 51%

e. Electrochromic Glass must be UL Listed.

f. Switching Speed ON/OFF: <15ms/50ms.

2.2 INSULATING GLASS UNITS

Two panes of glass separated by a dehydrated airspace and hermetically sealed, conforming to ASTM E2190. Submit performance and compliance documentation for each type of insulating glass .

Insulated glass units to have a Solar Heat Gain Coefficient (SHGC) determined according to NFRC 200 and a U-factor maximum determined in accordance with NFRC 100.

Dimensional tolerances must be as specified in IGMA TB-1200 . Spacer must be black, roll-formed, thin-gauge, C-section steel, with bent or tightly welded or keyed and sealed joints to completely seal the spacer periphery and eliminate moisture and hydrocarbon vapor transmission into airspace through the corners. Primary seal must be compressed polyisobutylene and the secondary seal must be a specially formulated silicone.

Glass makeup to be as indicated in Glazing Schedule at the end of this section.

2.2.1 Low Emissivity Coatings

Interior and exterior glass panes for Low-E insulating units must be Type I annealed flat glass, Class 2-tinted with anti-reflective low-emissivity coating or heat-strengthened or fully tempered glass complying with ASTM C1048, Condition C on No. 2 surface (inside surface of exterior pane), Quality q3 - glazing select, conforming to ASTM C1036. Glass performance to be as indicated in the Glazing Schedule at the end of this section.

2.3 SETTING AND SEALING MATERIALS

Provide as specified in the GANA Glazing Manual , IGMA TM-3000 , IGMA TB-3001 , and manufacturer's recommendations, unless specified otherwise herein. Do not use metal sash putty, nonskinning compounds, nonresilient preformed sealers, or impregnated preformed gaskets. Materials exposed to view and unpainted must be gray or neutral color. Sealant testing must be performed by a testing agency qualified according to ASTM C1021.

Submit glass manufacturer's recommendations for setting and sealing

SECTION 08 81 00 Page 11 materials and for installation of each type of glazing material specified.

2.3.1 Sealants

Provide elastomeric and structural sealants.

2.3.1.1 Elastomeric Sealant

ASTM C920, Type S, Grade NS, Class 12.5, Use G. Use for channel or stop glazing metal sash. Sealants must be chemically compatible with setting blocks, edge blocks, and sealing tapes and with sealants used in manufacture of insulating glass units.

2.3.1.2 Structural Sealant

ASTM C1184, Type S. Color to be gray.

2.3.2 Glazing Tape

2.3.2.1 Back-Bedding Mastic Glazing Tapes

Preformed, butyl-based, 100 percent solids elastomeric tape; nonstaining and nonmigrating in contact with nonporous surfaces; with or without spacer rod as recommended in writing by tape and glass manufacturers for application indicated; and complying with ASTM C1281 and AAMA 800 for products indicated below:

a. AAMA 806.3 tape, for glazing applications in which tape is subject to continuous pressure.

b. AAMA 807.3 tape, for glazing applications in which tape is not subject to continuous pressure.

2.3.2.2 Expanded Cellular Glazing Tapes

Closed-cell, PVC foam tapes; factory coated with adhesive on both surfaces; and complying with AAMA 800 for the following types:

a. AAMA 810.1, Type 1, for glazing applications in which tape acts as the primary sealant.

b. AAMA 810.1, Type 2, for glazing applications in which tape is used in combination with a full bead of liquid sealant.

2.3.3 Setting Blocks and Edge Blocks

Closed-cell neoprene setting blocks must be dense extruded type conforming to ASTM C509 and ASTM D395, Method B, Shore A durometer between 70 and

90. Edge blocking must be Shore A durometer of 50 (plus or minus 5).

Provide silicone setting blocks when blocks are in contact with silicone sealant. Profiles, lengths and locations must be as required and recommended in writing by glass manufacturer. Block color must be black.

2.3.4 Glazing Gaskets

Glazing gaskets as standard for manufacturer of fenestration system .

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2.3.4.1 Aluminum Framing Glazing Gaskets

Glazing gaskets for aluminum framing must be permanent, elastic, non-shrinking, non-migrating, watertight and weathertight.

2.3.5 Accessories

Provide as required for a complete installation, including glazing points, clips, shims, angles, beads, and spacer strips. Provide noncorroding metal accessories. Provide primer-sealers and cleaners as recommended by the glass and sealant manufacturers. Use ASTM C1087 to determine whether priming and other specific joint preparation techniques are required to obtain rapid, optimum adhesion of glazing sealants to surface.

2.3.5.1 Glass Window Film (WF-??)

Subject to compliance with requirements, provide the material as indicated in Finish Legend on Drawings.

a. Removable vinyl film that can be applied to a wide variety of surfaces.

b. Pressure-activated adhesive with air release channels.

c. Transparent for printing, widths as selected to coordinate with window sizes.

d. Fire Performance: Surface burning criteria when tested in accordance

ASTM E84.

1. Flame Spread: 25, maximum.

2. Smoke Developed: 450, maximum.

PART 3 EXECUTION

Any materials that show visual evidence of biological growth due to the presence of moisture must not be installed on the building project.

3.1 PREPARATION

Preparation, unless otherwise specified or approved, must conform to applicable recommendations in the GANA Glazing Manual , GANA Sealant Manual , IGMA TB-3001 , IGMA TM-3000 , and manufacturer's recommendations. Determine the sizes to provide the required edge clearances by measuring the actual opening to receive the glass. Grind smooth in the shop glass edges that will be exposed in finish work. Leave labels in place until the installation is approved, except remove applied labels on heat-absorbing glass and on insulating glass units as soon as glass is installed.

Securely fix movable items or keep in a closed and locked position until glazing compound has thoroughly set.

3.2 GLASS SETTING

Shop glaze or field glaze items to be glazed using glass of the quality and thickness specified or indicated. Glazing, unless otherwise specified or approved, must conform to applicable recommendations in the GANA Glazing Manual , GANA Sealant Manual , IGMA TB-3001 , IGMA TM-3000 , and manufacturer's recommendations. Aluminum windows and wood doors, may be glazed in conformance with one of the glazing methods described in the

SECTION 08 81 00 Page 13 standards under which they are produced, except that face puttying with no bedding will not be permitted. Handle and install glazing materials in accordance with manufacturer's instructions. Use beads or stops which are furnished with items to be glazed to secure the glass in place. Verify products are properly installed, connected, and adjusted.

3.2.1 Sheet Glass

Cut and set with the visible lines or waves horizontal.

3.2.2 Insulating Glass Units

Do not grind, nip, or cut edges or corners of units after the units have left the factory. Springing, forcing, or twisting of units during setting will not be permitted. Handle units so as not to strike frames or other objects. Installation must conform to applicable recommendations of IGMA TB-3001 and IGMA TM-3000 .

3.2.2.1 Antiterrorism Performance Requirements

Provide supplemental structural silicon sealant bonding interior face of IGU to the supporting fenestration frame in accordance with UFC 4-010-01.

3.2.3 Installation of Coated Glass

Provide glass with clean-cut, factory-fabricated edges. Field cutting will not be permitted.

3.2.4 Installation of Laminated Glass

Sashes which are to receive laminated glass must be weeped to the outside to allow water drainage into the channel.

3.2.5 Installation of Electrochromic Glass

Install glass per framing manufacturer's wiring diagram showing glass orientation and wire exit point into wall. Comply with glass manufacturer's labels and instructions for glass orientation. Protect pigtail and Frame Cable from any damage during installation. Use grommets during installation to protect wire when routing through frame. If Cable or the connector is damaged during installation the Frame Cable must be replaced. If the glazing unit pigtail connector is damaged during installation glass manufacturer must be notified and the connector must be repaired with the manufacturer's approved method. Comply with all written requirements of glass manufacturer.

3.2.5.1 Electrical and Control Requirements

a. Ensure that equipment, conduit, gang boxes, and other related materials are installed and ready to receive Work of this Section.

b. Install Wall Switches, Terminal Boxes and Control Panels as indicated on Drawings or as directed in field.

c. Ensure control panels and terminal boxes are installed so as to be accessible.

d. Ensure 12-conductor cable runs between control panels and terminal boxes do not exceed the lengths as directed by manufacturer.

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e. Ensure electrochromic bus cable connects all wall switches and control panels in a daisy-chain configuration and has been properly terminated at each end of line, using the jumpers on the electrochromic glass controller, wall switch and system integration module.

3.2.6 Glass Window Film Installation

a. Clean glazing thoroughly in preparation for film application.

b. Install in accordance with manufacturer's instructions.

1. Coordinate exact vertical position of sheet and orientation of gradation with Architect in field prior to installation.

2. Locate film on room side of glazing panels at locations as indicated on drawings.

c. Spray a slip solution, composed of one capful of baby shampoo or dishwashing liquid to 1 gallon of water, on window glass and adhesive to facilitate proper positioning of film.

d. Apply film to glass and lightly spray film with slip solution.

e. Squeegee top to bottom of window. Spray slip solution to film and squeegee a second time.

f. Apply film as a single piece to the full panel width.

1. Cut film edges neatly and square using new blade tips after 3 to 4 cuts.

g. Bump film edge with lint-free towel wrapped around edge of a 5-way tool.

h. Upon completion of film application, allow 30 days for moisture from film installation to dry thoroughly. Film to dry flat with no moisture dimples as seen under normal viewing conditions.

3.3 CLEANING

Clean glass surfaces and remove labels, paint spots, putty, and other defacement as required to prevent staining. Glass must be clean at the time the work is accepted. Clean switchable privacy glass in accordance with manufacturer's instructions.

Test switchable privacy glass in the presence of the COR to verify satisfactory operation. Make corrections or modification until installed work is acceptable.

3.4 PROTECTION

Protect glass work immediately after installation. Identify glazed openings with suitable warning tapes, cloth or paper flags, attached with non-staining adhesives. Protect reflective glass with a protective material to eliminate any contamination of the reflective coating. Place

SECTION 08 81 00 Page 15 protective material far enough away from the coated glass to allow air to circulate to reduce heat buildup and moisture accumulation on the glass.

Upon removal, separate protective materials for reuse or recycling.

Remove and replace glass units which are broken, chipped, cracked, abraded, or otherwise damaged during construction activities with new units.

3.5 INSULATING GLASS SCHEDULE

3.5.1 Glass Type GL-1: Insulating Glass

a. Overall Unit Thickness: 1 inch (25 mm).

b. Outdoor Lite: Tinted, Low-e-coated annealted, heat strengthened, or fully tempered float glass as required.

Minimum Thickness of Outdoor Lite: 6 mm.

Tint Color: Match architect's samples equal to (Vitro, Optigray).

c. Low-E Coating: Sputtered on second surface.

d. Interspace Content: Air.

e. Indoor Lite; Clear laminated glass with two plies of annealed or heat-strengthened float glass as required and clear interlayer.

Minimum Thickness of Each Glass Ply: 3 mm.

Interlayer Thickness: 0.030 inch (0.76 mm).

f. Visible Light Transmittance: 50 percent minimum.

g. Winter Nighttime U-Factor: 0.29 maximum.

h. Solar Heat Gain Coefficient: 0.30.

i. Visible Reflectance Out: 8 percent.

j. Provide safety glazing labeling for specified locations.

3.5.2 Glass Type GL-2: High Performance, Insulating Glass

a. Overall Unit Thickness: 1 inch

b. Outdoor Lite: Tinted, Low-e-coated annealed, heat strengthened, or fully tempered float glass as required.

Minimum Thickness of Outdoor Lite: 6 mm.

Tint Color: Match architect's sample: (equal to Vitro, Optigray).

c. Low-E Coating: Sputtered on second surface.

d. Interspace Content: Air.

e. Indoor Lite: Clear laminated glass with two plies of annealed or heat-strenthened float glass as required and clear interlayer.

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Minimum Thickness of Each Glass Ply: 3 mm.

Interlayer Thickness: 0.030 inch (0.76 mm).

f. Visible Light Transmittance: 36 percent minimum.

g. Windter Nighttime U-factor: 0.29 maximum.

h. Solar Heat Gain Coefficient: 0.20.

i. Visible Reflectance Out: 8 percent.

j. Provide safety glazing labeling for specified locations.

3.6 INSULATING SPANDREL GLASS SCHEDULE

3.6.1 Glass Type GL-3 Insulating Spandrel Glass

a. Coating Color: As selected by Architect from manufacturer's full range

b. Overall Unit Thickness: 1 inch (25 mm)

c. Minimum Thickness of Each Glass Lite: 5 mm

d. Outdoor Lite: Clear annealed, heat strengthened, or fully tempered float glass as required.

e. Interspace Content: Air.

f. Indoor Lite: Clear laminated glass with two plies of annealed or heat-strengthened float glass and clear interlayer as required to comply with performance criteria.

g. Coating:

1. Type: Silicone.

2. Location: Fourth surface.

h. Winter Nighttime U-Factor: 0.29 maximum.

i. Summer Daytime U-Factor: 0.28 maximum.

3.6.2 Glass Type GL-4 Insulating Spandrel Glass plus Insulated Metal Panel

Same as glass Type GL-3 plus insulated metal panel on room side - see Section 07 42 63 for insulated metal panel specification.

3.7 LAMINATED GLASS SCHEDULE

3.7.1 Glass Type GL-5 Laminated Glass

a. Two plies of fully tempered float glass.

b. Minimum Thickness of each glass ply: 3 mm.

c. Interlayer Thickness: 0.030 inch (0.75 mm).

d. Total Thickness: 5/16 inch or as required to comply with performance

SECTION 08 81 00 Page 17 criteria.

e. Appearance: Clear, wireless and tint-free.

f. Provide safety glazing labeling.

3.8 Glass Type GL-6, 1-1/16 inch Insulating Glass

a. Exterior lite 1/4 inch fully tempered or heat strengthened glass - Tint: Match architect's sample (equals to Vitro, Optigray).

b. Low-E Coating: Sputtered on second surface.

c. Interspace: Air.

d. Interior lite: 5/16 inch HS laminated glass with 0.060 PVB interlayer.

e. Minimum thickness each ply: 3 mm.

f. Winter Nighttime U-Factor: 0.29 maximum.

g. Solar Heatgain Coefficient: 0.30.

h. Total Thickness: 1-1/16 inch minimum or as required to comply with performance criteria.

3.9 MONOLITHIC GLASS SCHEDULE

3.9.1 Glass Type GL-7 Tempered Float Glass

a. Fully-tempered float glass.

b. Minimum Thickness 12 mm or as required to comply with performance criteria.

c. Provide decal as selected by Architect for visibility.

d. Appearance: Clear, wireless and tint-free.

e. Provide safety glazing labeling.

3.10 FIRE-RATED GLASS SCHEDULE

3.10.1 Glass Type GL-8 90-Minute Fire-Protection-Rated Glass

Refer to paragraph 2.1.6.1 for materials. Provide decal as selected by Architect for visibility. Provide safety glazing labeling.

3.10.2 Glass Type GL-9 60-Minute Fire-Resistance-Rated Glass

Refer to paragraph 2.1.6.2.1 for materials. Provide decal as selected by Architect for visibility. Provide safety glazing labeling.

3.10.3 Glass Type GL-10: 120-Minute Fire-Resistance-Rated Glass

Refer to paragraph 2.1.6.2.2 for materials. Provide decal as selected by Architect for visibility. Provide safety glazing labeling.

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3.11 LAMINATED ACOUSTIC GLASS SCHEDULE

3.11.1 Glass Type GL-11 Laminated Acoustic Glass

a. Minimum Thickness of each glass ply: 6 mm.

b. Acoustic Interlayer Thickness: 0.060 inch (1.52 mm).

c. Total Thickness: 9/16 inch or as required to comply with performance criteria.

d. STC: 39.

e. Appearance: Clear, wireless and tint-free.

f. Provide safety glazing labeling.

3.12 SWITCHABLE PRIVACY GLASS SCHEDULE

3.12.1 Glass Type GL-12 Switchable Privacy Glass

Refer to paragraph 2.1.8 for materials. Provide decal as selected by Architect for visibility. Provide safety glazing labeling.

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