36C24919R0050-0002003.pdf

A/E Renovate Bldg. 28 for Specialty Care VA #596-16-101

Lexington VA Medical Center

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SECTION 08 80 00

GLAZING

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies the following:

1. Glass.

2. Plastic glazing.

3. Glazing materials and accessories for both factory and field glazed assemblies.

1.2 RELATED WORK:

A. Factory glazed by manufacturer in following units:

1. Sound resistant doors: Section 08 11 13, HOLLOW METAL DOORS AND

FRAMES, and Section 08 14 00, WOOD DOORS.

2. Lead glass: Section 13 49 00, RADIATION PROTECTION.

3. Color of spandrel glass, tinted (heat absorbing or light reducing) glass, and reflective (metallic coated) glass: Section 09 06 00, SCHEDULE FOR FINISHES.

4. Access Control Systems: Section 28 13 11, PHYSICAL ACCESS CONTROL

SYSTEMS.

5. Wiring (120 V AC, 15A or 20A): Section 26 05 19, LOW VOLTAGE

ELECTRICAL POWER AND CONDUCTORS AND CABLES.

6. Junction and Switch Boxes: Section 26 05 33, RACEWAY AND BOXES FOR

ELECTRICAL SYSTEMS.

B. Sustainable Design Requirements: Section 01 81 13, SUSTAINABLE

CONSTRUCTION REQUIREMENTS.

1.3 LABELS:

A. Temporary labels:

1. Provide temporary label on each light of glass and plastic material identifying manufacturer or brand and glass type, quality and nominal thickness.

2. Label in accordance with NFRC label requirements.

3. Temporary labels are to remain intact until glass and plastic material is approved by Contracting Officer Representative (COR).

B. Permanent labels:

1. Locate in corner for each pane.

2. Label in accordance with ANSI Z97.1 and SGCC label requirements.

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a. Tempered glass.

b. Laminated glass or have certificate for panes without permanent label.

c. Organic coated glass.

3. Bullet resistance glass or plastic assemblies:

a. Bullet resistance glass or plastic assemblies in accordance with

UL 752 requirements for power rating specified.

b. Identify each security glazing permanently with glazing manufacturer's name, date of manufacture, product number, and DOS

Code number inconspicuously located in lower corner on protective side and visible after glazing is framed.

c. The "attack (threat) side" is to be identified in bold lettering on each side of glazing with removable label.

4. Fire rated glazing assemblies: Mark in accordance with IBC.

1.4 PERFORMANCE REQUIREMENTS:

A. General: Design glazing system consistent with guidance and practices presented in the GANA Glazing Manual, GANA Laminated Glazing Manual, and GANA Sealant Manual, as applicable to project. Installed glazing is to withstand applied loads, thermal stresses, thermal movements, building movements, permitted tolerances, and combinations of these conditions without failure, including loss or glass breakage attributable to defective manufacture, fabrication, or installation;

failure of sealants or gaskets to remain watertight and airtight;

deterioration of glazing materials; unsafe engagement of the framing system; deflections beyond specified limits; or other defects in construction.

B. Glazing Unit Design: Design glass, including engineering analysis meeting requirements of authorities having jurisdiction. Thicknesses listed are minimum. Coordinate thicknesses with framing system manufacturers.

1. Design glass in accordance with ASTM E1300, and for conditions beyond the scope of ASTM E1300, by a properly substantiated structural analysis.

2. Design Wind Pressures: As indicated on construction documents.

3. Wind Design Data: As indicated on construction documents.

4. Maximum Lateral Deflection: For glass supported on all four edges, limit center-of-glass deflection at design wind pressure to not more

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08 80 00 - 3 than the structural capacity of the glazing unit, the threshold at which frame engagement is no longer safely assured, 1/100 times the short-side length, or 19 mm (0.75 inch), whichever is less.

C. Ballistic- and Blast- resistant glass or plastic glazing assemblies:

1. For blast-resistant and ballistic-resistant units comply with requirements in UFC 4-010-01, Physical Security Design Manual for VA

Facilities, and project-specific criteria provided by VA.

2. Spall Resistance: Laminated glazing is not permitted to produce spall to interior (protected side) when impacted with scheduled ballistics, main entrance vestibule only.

3. Tolerances:

a. Outside dimensions: Overall outside dimensions (height and width) of laminated security glazing is to maintain tolerance of ± 3 mm

(+ 0.12 inch).

b. Warpage: Out-of-flat (warpage or bowing) condition of laminates is not to exceed 2.5 mm per lineal meter (0.10 inch per

3.3 lineal foot). The condition, if present, is to be localized to extent not greater than 0.75 mm (0.03 inch) for any 0.3 meter

(0.98 feet) section.

D. Windborne-Debris-Impact Resistance: Comply with enhanced-protection testing requirements in ASTM E1996 for project wind zone when tested according to ASTM E1886, based upon testing of specimens not less than the size required for project and utilizing installation method identical to that specified for project.

1. Project Wind Zone: Wind Zone 1.

2. Large-Missile Test: For glazing located within 9.1 m (30 feet) of grade.

3. Small-Missile Test: For glazing located more than 9.1 m (30 feet) above grade.

E. Building Enclosure Vapor Retarder and Air Barrier:

1. Utilize the inner pane of multiple pane sealed units for the continuity of the air barrier and vapor retarder seal.

2. Maintain a continuous air barrier and vapor retarder throughout the glazed assembly from glass pane to heel bead of glazing sealant.

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1.5 SUBMITTALS:

A. In accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Sustainable Design Submittals, as described below:

1. Volatile organic compounds per volume as specified in

PART 2 - PRODUCTS.

C. Manufacturer's Certificates:

1. Certificate stating that fire-protection and fire-resistive glazing units meet code requirements for fire-resistance-rated assembly and applicable safety glazing requirements.

2. Certificate on solar heat gain coefficient when value is specified.

3. Certificate on "R" value when value is specified.

4. Certificate test reports confirming compliance with specified bullet resistive rating.

5. Certificate that blast resistant glass meets the specified requirements.

6. Electrochromic Glazing Certificates:

a. Certification: IGCC/IGMA certification for insulating glass units containing electrochromic system. Provide certificate stating that insulating glass units (IGUs) that passed the testing requirement contained the electrochromic system (EC coatings, bus bars, wires etc.) as in the product specified herein. If triple glazing is specified, certification covering triple glazing is required. If capillary tubes are required for altitude applications, certification covering units with capillary tubes is also required.

b. Documentation indicating compliance with ASTM E2141, Chromogenic fenestration standard as verified by third party test laboratory such as National Renewable Energy Laboratory (NREL) or equivalent.

c. Test Report: ASTM E2190 Specification for IGU Seal Durability.

Provide certificate or test report stating that IGUs that passed the testing requirement contained the electrochromic system

(electrochromic coatings, bus bars, wires etc.) as in the product specified herein. If triple glazing is specified herein, a test report for triple glazing is required.

D. Manufacturer Warranty.

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E. Manufacturer's Literature and Data:

1. Glass, each kind required.

2. Insulating glass units.

3. Transparent (one-way vision glass) mirrors.

4. Elastic compound for metal sash glazing.

5. Glazing cushion.

6. Sealing compound.

7. Bullet resistive material.

8. Plastic glazing material, each type required.

F. Samples:

1. Size: 305 mm by 305 mm (12 inches by 12 inches).

2. Tinted glass.

3. Reflective glass.

4. Transparent (one-way vision glass) mirrors.

G. Preconstruction Adhesion and Compatibility Test Report: Submit glazing sealant manufacturer’s test report indicating glazing sealants were tested for adhesion to glass and glazing channel substrates and for compatibility with glass and other glazing materials.

1.6 DELIVERY, STORAGE AND HANDLING:

A. Delivery: Schedule delivery to coincide with glazing schedules so minimum handling of crates is required. Do not open crates except as required for inspection for shipping damage.

B. Storage: Store cases according to printed instructions on case, in areas least subject to traffic or falling objects. Keep storage area clean and dry.

C. Handling: Unpack cases following printed instructions on case. Stack individual windows on edge leaned slightly against upright supports with separators between each.

D. Protect laminated security glazing units against face and edge damage during entire sequence of fabrication, handling, and delivery to installation location. Provide protective covering on exposed faces of glazing plastics, and mark inside as "INTERIOR FACE" or "PROTECTED

FACE":

1. Treat security glazing as fragile merchandise to be packaged and shipped in export wood cases with width end in upright position and blocked together in a mass. Storage and handling to comply with manufacturer's directions and as required to prevent edge damage or

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08 80 00 - 6 other damage to glazing resulting from effects of moisture, condensation, temperature changes, direct exposure to sun, other environmental conditions, and contact with chemical solvents.

2. Protect sealed-air-space insulating glazing units from exposure to abnormal pressure changes, as could result from substantial changes in altitude during delivery by air freight. Provide temporary breather tubes which do not nullify applicable warranties on hermetic seals.

3. Temporary protections: The glass front and polycarbonate back of glazing are to be temporarily protected with compatible, peelable, heat-resistant film which will be peeled for inspections and re-applied and finally removed after doors and windows are installed at destination. Since many adhesives will attack polycarbonate, the film used on exposed polycarbonate surfaces is to be approved and applied by manufacturer.

4. Edge protection: To cushion and protect glass clad, and polycarbonate edges from contamination or foreign matter, the four (4) edges are to be sealed the depth of glazing with continuous standard-thickness thermoplastic rubber tape. Alternatively, continuous channel shaped extrusion of thermoplastic rubber are to be used, with flanges extending into face sides of glazing.

5. Protect "Constant Temperature" units including every unit where glass sheet is directly laminated to or directly sealed with metal-tube type spacer bar to polycarbonate sheet, from exposures to ambient temperatures outside the range of 16 to 24 degrees C (60 to

75 degrees F), during the fabricating, handling, shipping, storing, installation, and subsequent protection of glazing.

1.7 PROJECT CONDITIONS:

A. Field Measurements: Field measure openings before ordering tempered glass products to assure for proper fit of field measured products.

1.8 WARRANTY:

A. Construction Warranty: Comply with the FAR clause 52.246-21 “Warranty of Construction”.

B. Manufacturer Warranty: Manufacturer shall warranty their glazing from the date of installation and final acceptance by the Government as follows. Submit manufacturer warranty.

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1. Bullet resistive plastic material to remain visibly clear without discoloration for 10 years.

2. Insulating glass units to remain sealed for ten (10) years.

3. Laminated glass units to remain laminated for five (5) years.

4. Polycarbonate to remain clear and ultraviolet light stabilized for five (5) years.

5. Insulating plastic to not have more than 6 percent decrease in light transmission and be ultraviolet light stabilized for ten (10) years.

6. Warrant electrochromic laminated products against lamination defects, such as edge separation or delamination, that materially obstruct vision through the glass for a period of five (5) years.

7. Warrant electrochromic controls against defects in material or workmanship for a period of five (5) years.

1.9 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only.

B. American Architectural Manufacturers Association (AAMA):

800.....................Test Methods for Sealants

810.1-77................Expanded Cellular Glazing Tape

C. American National Standards Institute (ANSI):

Z97.1-14................Safety Glazing Material Used in Building -

Safety Performance Specifications and Methods of Test

D. American Society of Civil Engineers (ASCE):

7-10....................Wind Load Provisions

E. ASTM International (ASTM):

C542-05(R2011)..........Lock-Strip Gaskets

C716-06.................Installing Lock-Strip Gaskets and Infill

Glazing Materials

C794-10.................Adhesion-in-Peel of Elastomeric Joint Sealants

C864-05(R2011)..........Dense Elastomeric Compression Seal Gaskets, Setting Blocks, and Spacers

C920-14a................Elastomeric Joint Sealants

C964-07(R2012)..........Standard Guide for Lock-Strip Gasket Glazing

C1036-11(R2012).........Flat Glass

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C1048-12................Heat-Treated Flat Glass-Kind HS, Kind FT Coated and Uncoated Glass.

C1172-14................Laminated Architectural Flat Glass

C1349-10................Standard Specification for Architectural Flat

Glass Clad Polycarbonate

C1376-10................Pyrolytic and Vacuum Deposition Coatings on

Flat Glass

D635-10.................Rate of Burning and/or Extent and Time of

Burning of Self-Supporting Plastic in a

Horizontal Position

D4802-10................Poly (Methyl Methacrylate) Acrylic Plastic

Sheet

E84-14..................Surface Burning Characteristics of Building

Materials

E119-14.................Standard Test Methods for Fire Test of Building

Construction and Material

E1300-12a...............Load Resistance of Glass in Buildings

E1886-13a...............Standard Test Method for Performance of

Exterior Windows, Curtain Walls, Doors, and

Impact Protective Systems Impacted by

Missile(s) and Exposed to Cyclic Pressure

Differentials

E1996-14a...............Standard Specification for Performance of

Exterior Windows, Curtain Walls, Doors, and

Impact Protective Systems Impacted by Windborne

Debris in Hurricanes

E2141-12................Test Methods for Assessing the Durability of

Absorptive Electrochromic Coatings on Sealed

Insulating Glass Units

E2190-10................Insulating Glass Unit

E2240-06................Test Method for Assessing the Current-Voltage

Cycling Stability at 90 Degree C (194 Degree F) of Absorptive Electrochromic Coatings on Sealed

Insulating Glass Units

E2241-06................Test Method for Assessing the Current-Voltage

Cycling Stability at Room Temperature of

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Absorptive Electrochromic Coatings on Sealed

Insulating Glass Units

E2354-10................Assessing the Durability of Absorptive

Electrochromic Coatings within Sealed

Insulating Glass Units

E2355-10................Test Method for Measuring the Visible Light

Transmission Uniformity of an Absorptive

Electrochromic Coating on a Glazing Surface

F1233-08................Standard Test Method for Security Glazing

Materials and Systems

F1642-12................Test Method for Glazing and Glazing Systems

Subject to Airblast Loadings

F. Code of Federal Regulations (CFR):

16 CFR 1201-10..........Safety Standard for Architectural Glazing

Materials

G. Glass Association of North America (GANA):

2010 Edition............GANA Glazing Manual

2008 Edition............GANA Sealant Manual

2009 Edition............GANA Laminated Glazing Reference Manual

2010 Edition............GANA Protective Glazing Reference Manual

H. International Code Council (ICC):

IBC.....................International Building Code

I. Insulating Glass Certification Council (IGCC)

J. Insulating Glass Manufacturer Alliance (IGMA):

TB-3001-13..............Guidelines for Sloped Glazing

TM-3000.................North American Glazing Guidelines for Sealed

Insulating Glass Units for Commercial and

Residential Use

K. Intertek Testing Services – Warnock Hersey (ITS-WHI)

L. National Fire Protection Association (NFPA):

80-16...................Fire Doors and Windows

252-12..................Fire Tests of Door Assemblies

257-12..................Standard on Fire Test for Window and Glass

Block Assemblies

M. National Fenestration Rating Council (NFRC)

N. Safety Glazing Certification Council (SGCC) 2012:

Certified Products Directory (Issued Semi-Annually).

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O. Underwriters Laboratories, Inc. (UL):

9-08(R2009).............Fire Tests of Window Assemblies

263-14..................Fire Tests of Building Construction and

Materials

752-11..................Bullet-Resisting Equipment.

P. Unified Facilities Criteria (UFC):

4-010-01-03(R2007)......DOD Minimum Antiterrorism Standards for

Buildings

Q. U.S. Veterans Administration:

Physical Security Design Manual for VA Facilities (VAPSDG); Life Safety

Protected

Physical Security Design Manual for VA Facilities (VAPSDG); Mission

Critical Facilities

Architectural Design Manual for VA Facilities (VASDM)

R. Environmental Protection Agency (EPA):

40 CFR 59(2014).........National Volatile Organic Compound Emission

Standards for Consumer and Commercial Products

PART 2 - PRODUCT

2.1 GLASS:

A. Provide minimum thickness stated and as additionally required to meet performance requirements.

1. Provide minimum 6 mm (1/4 inch) thick glass units unless otherwise indicated.

B. Obtain glass units from single source from single manufacturer for each glass type.

C. Clear Glass:

1. ASTM C1036, Type I, Class 1, Quality q3.

D. Ultra-clear-Low-Iron Float Glass:

1. ASTM C1036, Type I, Class 1, Quality q3 and with visible light transmission of not less than 90 percent.

E. Tinted Heat reflective and low emissivity coated glass:

1. ASTM C1036, Type I, Class 2, Quality q3.

2.2 HEAT-TREATED GLASS - NOT USED

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2.3 COATED GLASS- NOT USED

2.4 ELECTROCHROMIC COATED GLASS- NOT USED

2.5 PLASTIC GLAZING- NOT USED

2.6 LAMINATED GLASS:

A. Laminated Glass: ASTM C1172. Two or more lites of glass bonded with polyvinyl butyral, ionomeric polymer, or cast-in-place and cured-transparent-resin interlayer complying with interlayer manufacturer's written instructions.

B. Interlayer: Use min. 0.75 mm (0.030 inch) thick interlayer for vertical glazing unless otherwise indicated in construction documents.

C. Interlayer: Use 1.5 mm (0.060 inch) thick interlayer for:

1. Horizontal or sloped glazing.

2. Acoustical glazing.

3. Assemblies requiring heat strengthened or fully tempered glass.

D. Interlayer: Use 2.28 mm (0.090 inch) thick interlayer where required to meet performance requirements.

E. Interlayer Color: Clear, unless otherwise indicated in construction documents.

2.7 SECURITY GLAZING ASSEMBLY:

A. Provide ballistic level as scheduled in accordance with UL 752.

B. Forced Entry Resistance: As scheduled, in accordance with ASTM F1233.

C. Blast Resistance: Provide exterior glazing units providing protection based upon hazard rating as scheduled, in accordance with ASTM F1642, and peak pressure and positive phase impulse indicated.

D. Laminated Glass Security Glazing Units: Fabricate from multiple lites of scheduled glass with polyvinyl butyral, ionomeric polymer, or cast-in-place and cured-transparent resin interlayers between the layers of glazing.

2.8 INSULATING GLASS UNITS:

A. Provide factory fabricated, hermetically sealed glass unit consisting of two panes of glass separated by a dehydrated air space and comply with ASTM E2190.

B. Assemble units using glass types specified in Insulating Glass

Schedule.

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2.9 FIRE PROTECTION AND FIRE RESISTANCE GLAZING: - NOT USED

2.10 SWITCHABLE PRIVACY GLASS- NOT USED

2.11 INSULATING PLASTIC SHEETS- NOT USED

2.12 GLAZING ACCESSORIES:

A. As required to supplement the accessories provided with the items to be glazed and to provide a complete installation. Ferrous metal accessories exposed in the finished work are to have a finish that will not corrode or stain while in service. Fire rated glazing to be installed with glazing accessories in accordance with the manufacturer’s installation instructions.

B. Setting Blocks: ASTM C864:

1. Silicone type.

2. Channel shape; having 6 mm (1/4 inch) internal depth.

3. Shore A hardness of 80 to 90 Durometer.

4. Block lengths: 50 mm (2 inches) except 100 to 150 mm (4 to 6 inches) for insulating glass.

5. Block width: Approximately 1.6 mm (1/16 inch) less than the full width of the rabbet.

6. Block thickness: Minimum 4.8 mm (3/16 inch). Thickness sized for rabbet depth as required.

C. Spacers: ASTM C864:

1. Channel shape having a 6 mm (1/4 inch) internal depth.

2. Flanges not less 2.4 mm (3/32 inch) thick and web 3 mm (1/8 inch) thick.

3. Lengths: 25 to 76 mm (1 to 3 inches).

4. Shore A hardness of 40 to 50 Durometer.

D. Glazing Tapes:

1. Semi-solid polymeric based closed cell material exhibiting pressure-sensitive adhesion and withstanding exposure to sunlight, moisture, heat, cold, and aging.

2. Shape, size and degree of softness and strength suitable for use in glazing application to prevent water infiltration.

3. 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.

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

E. Spring Steel Spacer: Galvanized steel wire or strip designed to position glazing in channel or rabbeted sash with stops.

F. Glazing Clips: Galvanized steel spring wire designed to hold glass in position in rabbeted sash without stops.

G. Glazing Gaskets: ASTM C864:

1. Firm dense wedge shape for locking in sash.

2. Soft, closed cell with locking key for sash key.

3. Flanges may terminate above the glazing-beads or terminate flush with top of beads.

H. Lock-Strip Glazing Gaskets: ASTM C542, shape, size, and mounting as indicated.

I. Glazing Sealants: ASTM C920, silicone neutral cure:

1. Type S.

2. Class 25 or 50 as recommended by manufacturer for application.

3. Grade NS.

4. Shore A hardness of 25 to 30 Durometer.

5. VOC Content: For sealants used inside the weatherproofing system, not more than 250 g/L or less when calculating according to 40 CFR

59, (EPA Method 24).

J. Neoprene, EPDM, or Vinyl Glazing Gasket: ASTM C864.

1. Channel shape; flanges may terminate above the glazing channel or flush with the top of the channel.

2. Designed for dry glazing.

K. Color:

1. Color of glazing compounds, gaskets, and sealants used for aluminum color frames to match color of the finished aluminum and be nonstaining.

2. Color of other glazing compounds, gaskets, and sealants which will be exposed in the finished work and unpainted are to be black, gray, or neutral color.

L. Smoke Removal Unit Targets: Adhesive targets affixed to glass to identify glass units intended for removal for smoke control. Comply with requirements of local Fire Department.

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PART 3 - EXECUTION

3.1 EXAMINATION:

A. Verification of Conditions:

1. Examine openings for glass and glazing units; determine they are proper size; plumb; square; and level before installation is started.

2. Verify that glazing openings conform with details, dimensions and tolerances indicated on manufacturer is approved shop drawings.

B. Review for conditions which may adversely affect glass and glazing unit installation, prior to commencement of installation. Do not proceed with installation until unsatisfactory conditions have been corrected.

C. Verify that wash down of adjacent masonry is completed prior to erection of glass and glazing units.

3.2 PREPARATION:

A. For sealant glazing, prepare glazing surfaces in accordance with

GANA Sealant Manual.

B. Determine glazing unit size and edge clearances by measuring the actual unit to receive the glazing.

C. Shop fabricate and cut glass with smooth, straight edges of full size required by openings to provide GANA recommended edge clearances.

D. Verify that components used are compatible.

E. Clean and dry glazing surfaces.

F. Prime surfaces scheduled to receive sealants, as determined by preconstruction sealant-substrate testing.

3.3 INSTALLATION – GENERAL:

A. Install in accordance with GANA Glazing Manual, GANA Sealant Manual, IGMA TB-3001, and IGMA TM-3000 unless specified otherwise.

B. Glaze in accordance with recommendations of glazing and framing manufacturers, and as required to meet the Performance Test

Requirements specified in other applicable sections of specifications.

C. Set glazing without bending, twisting, or forcing of units.

D. Do not allow glass to rest on or contact any framing member.

E. Glaze doors and operable sash, in a securely fixed or closed and locked position, until sealant, glazing compound, or putty has thoroughly set.

F. Tempered Glass: Install with roller distortions in horizontal position unless otherwise directed.

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G. Transparent (One-Way Vision Glass) Mirror: Use continuous channel glazing gasket.

H. Plastic:

1. Use dry glazing method.

2. Use only neoprene or EPDM gaskets.

I. Laminated Glass:

1. Tape edges to seal interlayer and protect from glazing sealants.

2. Do not use putty or glazing compounds.

J. Insulating Glass Units:

1. Glaze in compliance with glass manufacturer's written instructions.

2. When glazing gaskets are used, they are to be of sufficient size and depth to cover glass seal or metal channel frame completely.

3. Do not use putty or glazing compounds.

4. Do not grind, nip, cut, or otherwise alter edges and corners of fused glass units after shipping from factory.

5. Install with tape or gunnable sealant in wood sash.

K. Fire Protective and Fire Resistance Glass:

1. Wire Glass: Glaze in accordance with NFPA 80.

2. Other fire protective and fire resistant glass: Glaze in accordance with manufacturer’s installation instructions and NFPA 80.

L. Bullet Resisting Material:

1. Glaze as recommended by manufacturer, using glazing material which will permit expansion and contraction of the bullet resistive material in the frame.

2. The polycarbonate surface is not to be cleaned by scraping, razor blade, squeegee, or use of highly alkaline cleaner.

3. At no time is polycarbonate material be exposed to chemical solvents

(benzene, gasoline, acetone, paint thinners) or aromatic hydrocarbons (toluene or xylene), nor should any of these solvents or fumes by used or present in confined area such as a security guard booth.

4. Due care is to be exercised (paint formula, ventilation, protection of polycarbonate) when painting becomes necessary to interiors of rooms of hardline glazed units; exposure to chemical solvents could result in irreparable damage to security glazings (delaminations, distortions, cracks, severe stress crazing, air bubbles, etc.).

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3.4 INSTALLATION – ELECTROCHROMIC GLAZING- NOT USED

3.5 INSTALLATION - DRY METHOD (TAPE AND GASKET SPLINE GLAZING): - NOT USED

3.6 INSTALLATION - WET/DRY METHOD (PREFORMED TAPE AND SEALANT):

A. Cut glazing tape to length and set against permanent stops, 5 mm

(3/16 inch) below sight line. Seal corners by butting tape and dabbing with butyl sealant.

B. Apply heel bead of butyl sealant along intersection of permanent stop with frame ensuring full perimeter seal between glass and frame to complete the continuity of the air and vapor seal.

C. Place setting blocks at 1/4 points with edge block no more than 152 mm

(6 inches) from corners.

D. Rest glazing on setting blocks and push against tape and heel bead of sealant with sufficient pressure to achieve full contact at perimeter of pane or glass unit.

E. Install removable stops, with spacer strips inserted between glazing and applied stops, 6 mm (1/4 inch) below sight line. Place glazing tape on glazing pane or unit with tape flush with sight line.

F. Fill gap between glazing and stop with sealant to depth equal to bite of frame on glazing, but not more than 9 mm (3/8 inch) below sight line. Sealant type is to be compatible with glazing tape.

G. Apply cap bead of sealant along void between the stop and the glazing, to uniform line, flush with sight line. Tool or wipe sealant surface smooth.

3.7 INSTALLATION - WET METHOD (SEALANT AND SEALANT):

A. Place setting blocks at 1/4 points and install glazing pane or unit.

B. Install removable stops with glazing centered in space by inserting spacer shims both sides at 600 mm (24 inch) intervals, 6 mm (1/4 inch) below sight line.

C. Fill gaps between glazing and stops with sealant to depth of bite on glazing, but not more than 9 mm (3/8 inch) below sight line to ensure full contact with glazing and continue the air and vapor seal.

D. Apply sealant to uniform line, flush with sight line. Tool or wipe sealant surface smooth.

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3.8 INSTALLATION - EXTERIOR BUTT GLAZED METHOD (SEALANT ONLY)- NOT USED

3.9 INSTALLATION - INTERIOR WET/DRY METHOD (TAPE AND SEALANT):

A. Cut glazing tape to length and install against permanent stops, projecting 1.6 mm (1/16 inch) above sight line.

B. Place setting blocks at 1/4 points with edge block no more than 150 mm

(6 inches) from corners.

C. Rest glazing on setting blocks and push against tape to ensure full contact at perimeter of pane or unit.

D. Install removable stops, spacer shims inserted between glazing and applied stops at 600 mm (24 inch) intervals, 6 mm (1/4 inch) below sight line.

E. Fill gaps between pane and applied stop with sealant to depth equal to bite on glazing, to uniform and level line. Sealant type is to be compatible with glazing tape.

F. Trim protruding tape edge.

3.10 INSTALLATION - INTERIOR WET METHOD (COMPOUND AND COMPOUND)- NOT USED

3.11 INSTALLATION - REGLAZING HISTORIC FRAMING- NOT USED

3.12 COMMISSIONING – ELECTROCHROMIC GLAZING- NOT USED

3.13 REPLACEMENT AND CLEANING:

A. Clean new glass surfaces removing temporary labels, paint spots, and defacement after approval by COR.

B. Replace cracked, broken, and imperfect glass, or glass which has been installed improperly.

C. Leave glass, putty, and other setting material in clean, whole, and acceptable condition.

3.14 PROTECTION:

A. Protect finished surfaces from damage during erection, and after completion of work. Strippable plastic coatings on colored anodized finish are not acceptable.

3.15 MONOLITHIC GLASS SCHEDULE- NOT USED

3.16 LAMINATED GLASS SCHEDULE:

A. Glass Type LG# 1: Clear laminated glass with two (2) lites of fully tempered float glass.

1. Minimum Thickness of Each Glass Lite: 3 mm (0.12 inch).

2. Interlayer Thickness: 1.52 mm (0.060 inch).

3. Safety glazing label required.

Lexington, KY HDG #15018

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4. Application: Interior glazing of units unless otherwise scheduled.

3.17 INSULATING GLASS SCHEDULE

A. Glass Type IGU#1: High performance low-E-coated, clear insulating glass.

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

2. Minimum Thickness of Each Glass Lite: 5 mm (0.19 inch).

3. Outdoor Lite: fully tempered float glass.

4. Interspace Content: Argon with mullion dividers as indicated on drawings.

5. Indoor Lite: Fully tempered, laminated float glass.

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

7. Visible Light Transmittance: 1.10 percent minimum VT/SHGC

8. Solar Heat Gain Coefficient: 0.36 maximum.

9. Safety glazing label required.

G. Glass Type IGU#2: Ceramic-coated, insulating spandrel glass.

1. Match adjacent IGU#1 vision unit profile, glass thickness, low-E coating, interspace content, mullion dividers, and performance.

2. Indoor Lite:

a. Opaque Coating Location: Fourth surface.

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

3.18 INSULATING LAMINATED GLASS SCHEDULE (FORCE PROTECTION AND PHYSICAL

SAFETY):

A. Glass Type IL# 4: Clear insulating laminated glass.

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

2. Outdoor Lite: Clear annealed float glass, except heat-strengthened float glass where required, and fully tempered float glass where indicated.

a. Minimum Thickness of Outdoor Lite: 3 mm (0.12 inch).

3. Interspace Content: Air.

4. Indoor Lite: Clear laminated glass with two lites of annealed float glass, except heat-strengthened float glass where required, and fully tempered float glass where indicated.

a. Minimum Thickness of Each Glass Lite: 3 mm (0.12 inch).

b. Interlayer Thickness: 0.76 mm (0.030 inch)

5. Visible Light Transmittance: 8º percent minimum.

6. Solar Heat Gain Coefficient: .65 maximum.

Lexington, KY HDG #15018

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7. Safety glazing label required.

8. Windborne debris-resistant glazing unit required.

9. Blast Resistance: Provide units meeting the following:

a. GSA Performance Condition: 2.

b. UFC 4-010-01 Level of Protection: Medium.

c. Structural Load: +70/-80 PSF per ASTM E330.

d. Forced Entry Resistance Test: Passes at 300 lbs. per SFBC 3603.2.

3.19 ELECTROCHROMIC LAMINATED INSULATING GLASS SCHEDULE- NOT USED

3.20 FIRE-PROTECTIVE AND FIRE-RESISTANCE GLAZING SCHEDULE:

A. Glass Type FR# 5: Fire-protection-rated tempered glass.

1. Thickness: 6 mm (0.23 inch).

2. Rating: 20 minutes.

3. Application: Fire-protection-rated door assemblies with openings not over 0.65 sq. m (100 sq. in.).

3.21 SECURITY GLAZING SCHEDULE- NOT USED

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