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SECTION 08 8816
VISION CONTROL GLASS
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This master specification section has been prepared by Unicel Architectural for use in the preparation of a project specification section covering Vision Control and Vision Control Mini glass consisting of an insulated glass unit with adjustable or fixed cordless louvers between the glass panels. Vision control is achieved by rotating the louvers, either manually of by means of an electric motor. Glazing materials can include glass or polycarbonate. Vision Control glass may be installed in a variety of framing systems which can also be provided by Unicel Architectural.
Refer to the following additional specification sections for other Unicel Architectural products:
08 4413 - Glazed Aluminum Curtain Wall
08 6300 - Metal-Framed Skylights
10 7119 - Exterior Sunshades
13 3413 - Solariums
The following should be noted in using this specification:
Hypertext links to specific websites are included after manufacturer names and names of organizations whose standards are referenced within the text, to assist in product selection and further research. Hypertext links are contained in parenthesis and shown in blue, e.g.:
(www.astm.org)
Optional text requiring a selection by the user is enclosed within brackets, e.g.: "Section [09 0000.] [_____.]"
Items requiring user input are enclosed within brackets, e.g.: "Section [_____ - ________]."
Optional paragraphs are separated by an "OR" statement, e.g.:
**** OR ****
"Green" requirements are included for projects requiring LEED certification, and are included as green text. For additional information on LEEDS, visit the U.S. Green Building Council website at www.usgbc.org.
For assistance on the use of the products in this section, contact Unicel Architectural by calling 800-668-1580, by email at unicel@unicelarchitectural.com, or visit their website at www.unicelarchitectural.com.


  1. - GENERAL



    1. SUMMARY


Edit the following paragraphs to include only those items specified in this section.


      1. Section Includes:

        1. Vision control glass with [fixed] [adjustable] cordless louvers.

        2. [Manual] [Electric] operators.


Coordinate the following paragraphs with other sections in the project manual.


      1. Related Sections:

        1. Division 01: Administrative, procedural, and temporary work requirements.

        2. Section [08 1113 - Hollow Metal Doors and Frames.] [__ ____ - _______.]

        3. Section [08 1116 - Aluminum Doors and Frames.] [__ ____ - _______.]

        4. Section [08 1416 - Flush Wood Doors.] [__ ____ - _______.]

        5. Section [08 1433 - Stile and Rail Wood Doors.] [__ ____ - _______.]

        6. Section [08 1513 - Laminated Plastic Doors.] [__ ____ - _______.]

        7. Section [08 4413 - Glazed Aluminum Curtain Wall.] [__ ____ - _______.]

        8. Section [08 6300 - Metal-Framed Skylights.] [__ ____ - _______.]

        9. Section [13 3413 - Solariums.] [__ ____ - _______.]




    1. REFERENCES


In the following paragraphs, retain only those reference standards that are used elsewhere in this section.


      1. American National Standards Institute (ANSI) (www.ansi.org) Z97.1 - Safety Performance Specifications and Methods of Test for Safety Glazing Material Used in Buildings.




      1. ASTM International (ASTM) (www.astm.org):

        1. C864 - Standard Specification for Dense Elastomeric Compression Seal Gaskets, Setting Blocks, and Spacers.

        2. C920 - Standard Specification for Elastomeric Joint Sealants.

        3. C1048 - Standard Specification for Heat-Treated Flat Glass-Kind HS, Kind FT, Coated and Uncoated Glass.

        4. C1115 - Standard Specification for Dense Elastomeric Silicone Rubber Gaskets and Accessories.

        5. C1172 - Standard Specification for Laminated Architectural Flat Glass.

        6. C1294 - Standard Test Method for Compatibility of Insulating Glass Edge Sealants with Liquid-Applied Glazing Materials.

        7. C1330 - Standard Specification for Cylindrical Sealant Backing for Use with Cold Liquid Applied Sealants.

        8. E119 - Standard Test Methods for Fire Tests of Building Construction and Materials.

        9. E2190 - Standard Specification for Insulating Glass Units Performance and Evaluation.




      1. Consumer Product Safety Commission (CPSC) (www.cpsc.gov) 16 CFR 1201 - Safety Standard for Architectural Glazing Materials.




      1. Glass Association of North America (GANA) (www.glasswebsite.com) - Engineering Standards Manual.




      1. National Fire Protection Association (NFPA) (www.nfpa.org) 80 - Standard for Fire Doors and Fire Windows.




      1. Underwriters Laboratories of Canada (ULC) (www.ulc.ca) - Product Directories.

        1. Product Directories.

        2. 263 - Fire Tests of Building Construction and Materials.




    1. SUBMITTALS


Limiting submittals to only those actually required helps to minimize liability arising from the review of submittals. Minimize submittals on smaller, less complex projects.
Include the following for submission of shop drawings, product data, and samples for the Architect's review.


      1. Submittals for Review:

        1. Product Data: Descriptive data and performance attributes for vision control glass.

        2. Samples: [8-1/2 x 13-1/2] [__ x __] inch vision control glass samples.




      1. Closeout Submittals:

        1. Maintenance Instructions: Manufacturer’s printed instructions for cleaning and maintenance of glazed units, including operators.


Include the following for submission of sustainable design submittals.


      1. Sustainable Design Submittals:

        1. Recycled Content: Certify percentages of post-consumer and pre-consumer recycled content.

        2. Regional Products: Indicate location of product manufacturer and distance from manufacturer to project site.




    1. SYSTEM DESCRIPTION


The following paragraph provides a non-proprietary description of the Vision Control glass units. Retain if required, and edit to suit project requirements.


      1. Vision Control Glass: Control vision through insulated glass unit assemblies by means of rotating, cordless, interlocking, [horizontal,] [vertical,] extruded aluminum louvers with rotation controlled [manually.] [by means of electric motor.] Rotation of louvers results in reduction in or elimination of vision through glazed assemblies.




    1. QUALITY ASSURANCE




      1. Regulatory Requirements:

        1. Provide [tempered] [laminated] safety glass for locations subject to human impact as required by [Building Code.] [____.]

        2. Safety glass: Tested and labeled to CPSC 16 CFR 1201.


Include the following for fire rated glazing systems.


      1. Fire Rated Glass Assemblies: Conform to ASTM E119 and UL 263.




      1. Perform Work in accordance with GANA Glazing Manual.




      1. 120 Volt Electrical Components: Listed by ULC.


Include the following for full size mockups for review of construction, coordination of work of several sections, testing, or observation of operation.


      1. Mockup:

        1. Provide mockup of vision control glass unit.

        2. Locate [where directed.] [____.]

        3. Approved mockup may [not] remain as part of the Work.




    1. DELIVERY, STORAGE AND HANDLING




      1. Deliver and store glass units in upright position, on blocks, in dry and safe location.




      1. Do not place units in direct sunlight.




      1. Handle units using corner protectors.




    1. WARRANTIES


In the following paragraph, a 5 year warranty is available for Vision Control glass in exterior and interior locations, and a 10 year extended warranty is available for Vision Control glass in interior locations. Vision Control glass in exterior locations may also qualify for a 10 year extended warranty depending on several factors; contact Unicel Architectural to determine whether this warranty is available for specific projects.


      1. Vision Control Glass in Exterior Locations: Furnish manufacturer’s [5] [10] year warranty providing coverage against material obstruction of glass units by dust or film formation due to failure of hermetic seal.




      1. Vision Control Glass in Interior Locations: Furnish manufacturer’s [5] [10] year warranty providing coverage against material obstruction of glass units by dust or film formation due to failure of hermetic seal.




  1. - PRODUCTS




    1. MANUFACTURERS




      1. Contract Documents are based on [Vision Control] [Vision Control Mini] by Unicel Architectural, 800-668-1580, www.unicelarchitectural.com.


Edit the following to indicate whether or not substitutions will be permitted for the products in this section.


      1. Substitutions: [Under provisions of Division 01.] [Not permitted.]




    1. MATERIALS - GLASS


Edit the following paragraphs to indicate type of glass required.


      1. Clear Tempered Glass: ASTM C1048, Type 1 transparent flat, Class 1 clear, Quality q3 glazing select, Kind FT fully tempered.




      1. Tinted Tempered Glass:

        1. Type: ASTM C1048, Type 1 transparent flat, Class 2 tinted heat absorbing and light reducing, Quality q3 glazing select, Kind FT fully tempered.

        2. Color: [Blue.] [Green.] [Bronze.] [Gray.] [____.]


Include the following for fire-rated glass.


      1. Fire-Rated Glass:

        1. Source: Pilkington Pyrostop manufactured by Pilkington Group and distributed by Technical Glass Products.

        2. Composition: Multiple sheets of Optiwhite high visible light transmission glass laminated with intumescent interlayer.

        3. Fire rating and thickness: [45 minute rating, 3/4 inch thick.] [60 minute rating, 7/8 inch thick.] [90 minute rating, 1-7/16 inch thick.]


Other types of glass are available; contact Unicel Architectural for additional glass types.


      1. [____] Glass: [____].


Verify exact recycled content with Unicel Architectural.


      1. Recycled Content: Minimum [__] percent recycled glass content, classified as post-industrial.




    1. MATERIALS - PLASTIC GLAZING


Edit the following paragraph to indicate type of polycarbonate required. Polycarbonates should only be used in interior locations.


      1. Polycarbonate Sheet:

        1. Type: ANSI Z97.1; plastic compound, ultraviolet stabilized, non-yellowing [, abrasion resistant coated].

        2. Color: [Clear.] [Translucent.] [Grey tint.] [Bronze tint.] [Light green tint.] [____.]


Verify exact recycled content with Unicel Architectural.


      1. Recycled Content: Minimum [__] percent recycled glass content, classified as post-industrial.




    1. MATERIALS - LOUVERS, FRAMES, AND OPERATORS


Edit the following paragraphs to indicate types of louvers and operators required. Louver dimensions may be dictated by size limitations; contact Unicel Architectural to determine exact louver sizes based on project requirements.
Include the following for standard Vision Control glass.


      1. Louvers: Hollow extruded aluminum, interlocking profile, [1/4] [3/8] [1/2] inch thick x 1-3/8 inches deep; Duracron [K-1285 Glossy White] [K-20794 Metallic Gray] [____] finish.


**** OR ****
Include the following for Vision Control Mini glass.


      1. Louvers: Hollow extruded aluminum, interlocking profile, 3/16 inch thick x 7/8 inch deep; Duracron [K-1285 Glossy White] [K-20794 Metallic Gray] [____] finish.




      1. Manual Operators: [Hand crank] [Thumb wheel] [Knob] type.


**** OR ****


      1. Electric Operators:

        1. Motor voltage, motor type, and hardware as determined by manufacturer based on glass opening sizes and number of glass panels per motor, with maximum of 12 panels per motor.

        2. Switches: [Full span rotation] [Two factory-preset positions, determined by architect] type.


Include the following paragraph for an optional trim kit for standard Vision Control glass installed in hinged or pivoted doors; overall glass thickness cannot exceed frame kit glass pocket depth. Note that Unicel trim kits cannot be used on fire-rated or leaded glass assemblies. Standard finishes are listed below; other colors may be available at additional cost.


      1. Glass Frame (Trim Kit): Extruded aluminum, factory glazed, sized to accept 2-1/2 inch thick glass for insertion into 1-3/4 inch thick doors; Duracron [K-1285 Glossy White] [K-20794 Metallic Gray] [____] finish.


Include the following paragraph for an optional trim kit for Vision Control Mini glass installed in hinged or pivoted doors; overall glass thickness cannot exceed frame kit glass pocket depth. Note that Unicel trim kits cannot be used on fire-rated or leaded glass assemblies. Standard finishes are listed below; other colors may be available at additional cost.


      1. Glass Frame (Trim Kit): Extruded aluminum, factory glazed, sized to accept 1-3/4 inch thick glass for insertion into 1-3/4 inch thick doors; Duracron [K-1285 Glossy White] [K-20794 Metallic Gray] [____] finish.


Include the following paragraph for a required Universal trim kit for Vision Control Mini glass installed in sliding doors; overall glass thickness cannot exceed frame kit glass pocket depth. Note that Unicel trim kits cannot be used on fire-rated glass assemblies. Standard finishes are listed below; other colors may be available at additional cost.


      1. Glass Frame (Trim Kit): Extruded aluminum, sized to accept 1-5/16 inch thick glass for insertion into 1-3/4 inch thick sliding doors; [Duracron [K-1285 Glossy White] [K-20794 Metallic Gray]] [clear anodized] [____] finish.


Include the following for a trim kit for leaded glass. This option is only available if overall glass thickness is roughly equal to door thickness.


      1. Glass Trim Kit: Pressure plate and snap-on cover type, pre-notched to accept louver operating hardware, lead lining excluded.




    1. ACCESSORIES




      1. Setting Blocks: ASTM C864, neoprene or EPDM, or ASTM C1115, silicone; 70 to 90 Shore A durometer hardness.




      1. Spacers: ASTM C864, neoprene or EPDM, or ASTM C1115, silicone; 50 to 60 Shore A durometer hardness.


Include the following paragraph for gasket glazing.


      1. Glazing Gaskets: ASTM C864, neoprene or EPDM, or ASTM C1115, silicone or thermoplastic polyolefin rubber, molded or extruded shape to fit glazing channel retaining slot.


Include the following paragraph for sealant glazing. Polysulfide edge seal is standard; select silicone type when utilizing silicone glazing sealant.


      1. Glazing Sealant:

        1. ASTM C920, Type S, Grade NS, Class 25; single component [polysulfide] [silicone] type, low modulus, non sag.

        2. Sealant backing: ASTM C1330, Type O, size and density to control glazing sealant depth and produce optimum glazing sealant performance.

        3. Compatible with glass unit edge seals; tested to ASTM C1294.




    1. FABRICATION




      1. Sealed Insulating Glass Units:

        1. Comply with ASTM E2190.

        2. Fabricate spacer bar frame of tubular aluminum filled with desiccant.

        3. Bond spacer bar frame to glass panes.

        4. Fill space outside frame to glass edge with elastomeric sealant.




      1. Laminated Glass:

        1. Comply with ASTM C1172 and ANSI Z97.1.

        2. Laminate glass with laminating film by manufacturer's standard heat and pressure process.




  1. - EXECUTION




    1. PREPARATION




      1. Clean glazing rabbets; remove loose and foreign matter.




      1. Remove protective coatings on metal surfaces.




      1. Clean glass just prior to installation.




    1. INSTALLATION - GENERAL




      1. Install glass in accordance with glass manufacturer's instructions.




      1. Maintain manufacturer's recommended edge and face clearances between glass and frame members.




    1. INSTALLATION - GASKET GLAZING METHOD




      1. Fabricate gaskets to fit openings; allow for stretching of gaskets during installation.




      1. Set soft compression gasket against fixed stop or frame with bonded miter cut joints at corners.




      1. Set glass centered in openings on setting blocks.




      1. Install removable stops and insert dense compression gaskets at corners, working toward centers of glass, compressing glass against soft compression gaskets to produce weathertight seal.




      1. Seal joints in gaskets.




    1. INSTALLATION - SEALANT GLAZING METHOD




      1. Apply sealant to full depth of permanent stops.




      1. Press glass into sealant with slight lateral movement to ensure adhesion.




      1. Apply sealant to full depth of removable stops. Secure stops in position, forcing contact with sealant bead and completely filling joint.




    1. PROTECTION




      1. After installation, mark glass with an 'X' using removable plastic tape.




    1. SCHEDULE


The following paragraphs provide a framework for specifying Vision Control and Vision Control Mini glass units in various locations. Refer to Unicel Architectural literature or contact Unicel Architectural for assistance in selecting correct components for these various glass unit assemblies.
Note the following:
- For Vision Control units mounted in 1-3/4 inch thick hinged or pivoted doors, overall unit thickness cannot exceed 2-1/2 inches when using Unicel glass trim kit.

- For Vision Control Mini units mounted in 1-3/4 inch thick hinged or pivoted doors; overall thickness cannot exceed 1-3/4 inches when using Unicel glass trim kit.

- For Vision Control Mini glass mounted in 1-3/4 inch thick sliding doors; overall thickness cannot exceed 1-5/16 inches when using Unicel glass trim kit.

- When selecting fire-rated or radiation shielding glass, only one lite needs to be fire-rated or radiation shielding.

- For exterior units, exterior and interior lites must be of equal thickness.

- Polycarbonates should only be used in interior locations.
Glass types for both inner and outer lites may include any of the following:
- Nominally [5/32] [1/4] [3/8] [__] inch thick [clear] [tinted] tempered glass.

- Nominally [5/32] [1/4] [3/8] [__] inch thick [clear] [tinted] polycarbonate.

- Nominally [7/16] [9/16] [__] inch thick [clear] [tinted] glass-clad polycarbonate.

- Nominally [1/4] [3/8] [__] inch thick [clear] [tinted] [tempered] [annealed] laminated glass with [0.030] [0.060] [0.090] inch thick PVB interlayer. Note that 0.030 inch interlayer is not available in 1/4 inch tempered laminated.

- Nominally [3/4 inch thick, 45 minute] [7/8 inch thick, 60 minute] [1-7/16 inch thick, 90 minute] fire-rated glass.

- Nominally [5.7 - 7.0 mm thick clear leaded radiation shielding glass with 1.6 mm lead equivalency.] [7.0 - 8.5 mm thick clear leaded radiation shielding glass with 2.0 mm lead equivalency.] [11.0 - 13.0 mm thick clear leaded radiation shielding glass with 3.2 mm lead equivalency.]

- Nominally [1/2 inch thick clear laminated leaded radiation shielding glass with 1.6 mm lead equivalency.] [9/16 inch thick clear leaded radiation shielding glass with 2.0 mm lead equivalency.] [3/4 inch thick clear leaded radiation shielding glass with 3.2 mm lead equivalency.]


      1. [Standard Vision Control] [Vision Control Mini] Glass - [Hinged] [Pivoted] Doors:

        1. Outer lite: [____].

        2. Air space: [1] [1-1/4] [2] [2-1/2] inches.]

        3. Inner lite: [____].




      1. Vision Control Mini Glass - Sliding Doors:

        1. Outer lite: [____].

        2. Air space: 1 inch.

        3. Inner lite: [____].




      1. [Standard Vision Control] [Vision Control Mini] Glass - Interior Glazed Wall Openings:

        1. Outer lite: [____].

        2. Air space: [1] [1-1/4] [2] [2-1/2] inches.]

        3. Inner lite: [____].




      1. [Standard Vision Control] [Vision Control Mini] Glass - Exterior Glazed Openings:

        1. Outer lite: [____].

        2. Air space: [1-1/4] [2] [2-1/2] inches.]

        3. Inner lite: [____].



END OF SECTION


Unicel Architectural 08 8816- Vision Control Glass

06/24/11 (US)

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