Attachment 21 - 088000 Glazing.pdf

CONSTRUCT SLEEP DISORDER CLINIC AND SPECIALTY CLINIC

TVHS MURFREESBORO CAMPUS

MURFREESBORO, TN

VA PROJECT NUMBER 626-310

08 80 00 - 1

SECTION 08 80 00

GLAZING

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies the following:

1. Glass.

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

3. Horizontal metal slat louver blinds installed at door and window openings as indicated between two panes of hermetically sealed glass and manual operators.

4. Glazing film

1.2 LABELS:

A. Temporary labels:

1. Provide temporary label on each light of glass 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 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.

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

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

1.3 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

08 80 00 - 2 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: In accordance with ASCE 7.

3. Wind Design Data: In accordance with ASCE 7.

4. Maximum Lateral Deflection: For glass supported on all four edges, limit center-of-glass deflection at design wind pressure to not more 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 0.75 inch), whichever is less.

D. 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.

1.4 SUBMITTALS:

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

SAMPLES.

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.

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

D. Manufacturer Warranty.

E. Manufacturer's Literature and Data:

1. Glass, each kind required.

2. Insulating glass units.

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

08 80 00 - 3

4. Elastic compound for metal sash glazing.

5. Putty, for wood sash glazing.

6. Glazing cushion.

7. Sealing compound.

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.

1.5 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.

1.6 PROJECT CONDITIONS:

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

1.7 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.

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

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

08 80 00 - 4

1.8 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

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

08 80 00 - 5

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

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

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

Subject to Airblast Loadings

E. Code of Federal Regulations (CFR):

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

Materials

F. Glass Association of North America (GANA):

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

08 80 00 - 6

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

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

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

G. International Code Council (ICC):

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

H. Insulating Glass Certification Council (IGCC)

I. 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

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

K. 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

L. National Fenestration Rating Council (NFRC)

M. Safety Glazing Certification Council (SGCC) 2012:

Certified Products Directory (Issued Semi-Annually).

N. Underwriters Laboratories, Inc. (UL):

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

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

Materials

O. Unified Facilities Criteria (UFC):

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

Buildings

Q. 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.

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

08 80 00 - 7

C. Tempered glass: ASTM C1048, Kind FT, Condition A, Type I, Class 1, Quality q3.

D. Blast Resistance: Provide exterior glazing units that meet the specified blast pressures and impulses

2.2 ASSEMBLY:

Completed glazing units will consist of:

A. Outdoor Lite: Clear low e coated laminated glass with two lites of fully tempered clear or patterned (per schedule) float glass with a minimum thickness of 0.25 inches. Minimum thickness of each glass lite shall be 0.115 inches with an interlayer thickness of minimum 0.090 inches

F. Interspace Content: Dehydrated Air: Provide factory fabricated, hermetically sealed glass unit consisting of two panes of glass separated by a dehydrated air space and comply with ASTM E2190.

G. Indoor Lite: Clear laminated float glass with two lites of fully tempered float glass with a minimum thickness of 0.5 inches. Minimum thickness of each glass lite shall be 0.25 inches with an interlayer thickness of minimum 0.090 inches.

2.13 GLAZING FILM:

A. Solar Control Film: High performance, polyester film, opaque, non-reflective type, with no solar transmittance, 11% solar reflectance, 89% solar absorption, no visible light transmittance, and 13% visible light reflectance; distortion-free adhesive system; scratch resistant.

B. Frosted/Crystal (For C type windows): High performance, polyester film, translucent, non-reflective type with a decorative embossed or printed matte surface; distortion-free [solvent-free] adhesive system; scratch resistant; total nominal thickness is 2.0 mil; manufactured with a silicone liner; UV transmission - 1%; visible light transmission - 29%, and infra-red transmission - 41%; 5-year material warranty.

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

08 80 00 - 8 installed with glazing accessories in accordance with the manufacturer’s installation instructions.

B. Setting Blocks: ASTM C864:

1. Silicone type.

2. Channel shape; having 1/4 inch internal depth.

3. Shore A hardness of 80 to 90 Durometer.

4. Block lengths: 2 inches except 4 to 6 inches for insulating glass.

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

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

C. Spacers: ASTM C864:

1. Channel shape having a 1/4 inch internal depth.

2. Flanges not less 3/32 inch thick and web 1/8 inch thick.

3. Lengths: 1 to 3 inches.

4. Shore A hardness of 40 to 50 Durometer.

D. Glazing Tapes: Coiled

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.

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.

H. 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.

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

08 80 00 - 9

J. Glazing Sealants: ASTM C920, silicone neutral cure: Do not use non-skinning sealants.

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.

L. 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.

M. 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.

N. 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.

2.13 HORIZONTAL METAL SLAT LOUVER BLINDS

A. Horizontal metal slat louver blinds installed at door and window openings as indicated between two panes of hermetically sealed glass;

one -inch-thick overall.

1. Operator that tilts blades from closed position in one direction to closed position in opposite direction by means of a magnetic link, knob, or wand located within 48 inches of finished floor;

B. Metal Slats, General: Prefinished 5086-H19, 6010-T8, or 6011 alloy aluminum; radiused slat corners with manufacturing burrs removed.

C. Slat Support: Woven polypropylene or polyester, UV resistant, ladder configuration, 20.0 to 21.5 mm on center.

D. Control Wand: Extruded hollow plastic, length of window opening height less 12-inches; for blade angle adjustment.

E. Accessory Hardware: Type recommended by blind manufacturer.

F. Finish: Manufacturer's pre-treatment and baked enamel antistatic antimicrobial finish, nominally 1.0 mil thick; free from lead, 08 80 00 - 10 chromates and other heavy metals; one color as selected by Contracting

Officer’s Representative from manufacturer’s premium range.

G. Fabricate slats from ½ -inch-wide minimum by 0.006 or 0.008 -inch-thick minimum aluminum as measured before painting.

H. Fabricate headrail from (nominal) 5/8” x 5/8” corrosion-resistant steel or 0.045" aluminum formed into a U-shaped profile with rolled edges, finish to match slats. Enclose hardware in headrail.

I. Operate tilter with nylon control knob with right-angle drive gears in die-cast housing. Provide tilt rod with spring-loaded, flexible cable connection. Provide gear control kit with drive rod connectors, actuating rod guide and right angle drive brackets. Provide manufacturer’s standard thumb turn knob tilt controls. Provide “slip feature” to prevent damage to blind and control knob from over tilting.

J. Provide 7/32" or 1/4" hexagonal, solid steel tilt rod with corrosion resistant finish. Provide 0.036" steel, crash proof cord lock with corrosion-resistant finish.

K. Fabricate bottom rail from 0.018" corrosion-resistant steel or 0.045” aluminum, finish to match slats. Form rail with a double-lock seam into a closed oval shape. Provide color-coordinated thermoplastic end caps.

Provide hold-down pins to secure bottom rail to jamb or sill.

L. Provide steel, polymer or nylon end locks.

M. Do not pierce any part of blind assembly or extensions in hermetically sealed glazing units. Holes in glass or glazing plane are not permitted in non-hermetically sealed units.

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.

08 80 00 - 11

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.

3.4 GLAZING FILM:

A. Verify glass is not cracked, chipped, broken, or damaged. Do not begin installation until substrates have been properly prepared.

B. Clean surfaces thoroughly prior to installation. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

C. Install in accordance with manufacturer's instructions. Installation shall be accomplished by a recognized professional installer approved by film manufacturer. Completed work must meet IWFA visual acceptance standard. Verify the direction of obscurity for directional films prior to installation. Install without bubbles, ripples, drips, dirt, cuts, tears or gaps between film and frame. Clean newly installed film

08 80 00 - 12 and window frames after installation. Clean up cleaning solutions, run-off cleaning water and adhesive mounting solutions.

D. Protect installed products until completion of project. Where installed film could be damaged by subsequent construction provide tape warning strips or barricades to prevent contact.

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

Use this system with aluminum windows with glazing beads unless window manufacturer requires otherwise.

A. Cut glazing tape to length and set against permanent stops, 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 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/glass unit.

E. Install removable stops, with spacer strips inserted between glazing and applied stops, 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 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.

3.13 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.

08 80 00 - 13

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

3.14 GLAZING SCHEDULE:

A. Glass Type IG# 1 - for Door G34/G09 and exterior windows: High performance low-E-coated, clear insulating glass. Windows have integrated blinds as noted on the drawings.

Overall Unit Thickness: 25 mm (1 inch).

Minimum Thickness of Each Glass Lite: 6 mm (0.23 inch)

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

Interspace Content: Air.

Indoor Lite: Fully tempered float glass.

Low-E Coating: Sputtered on second

Visible Light Transmittance: 62 percent minimum.

Solar Heat Gain Coefficient: 0.27 maximum.

Blast Resistance: Provide units meeting the following:

GP Value 1

B. Glass Type LG# 1: Glazing in doors G00B, G05, G07E, G21 and G22. Clear laminated glass with two (2) lites of fully tempered float glass.

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

Interlayer Thickness: 1.52 mm (0.060 inch).

Safety glazing label required.

Application: Interior glazing of units unless otherwise scheduled.

3.15 PROTECTION:

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

- - - E N D - - -