PART 1 GENERAL
1.1 SECTION INCLUDES
A. Translucent daylighting system
1.2 RELATED SECTIONS
A. Section 08840 - Translucent Plastic Glazing.
1.3 REFERENCES
A. ASTM D 635 - Rate of Burning and/or Extent and Time of Burning of Self-Supporting Plastics in a Horizontal Position.
B. ASTM E 84 - Surface Burning Characteristics of Building Materials.
1.4 DESIGN REQUIREMENTS
A. Basic Wind Speed: 90 mph.
B. Exposure Category: A
C. Maximum Allowable Deflection of Structural Members: Maximum of L/100 of clear span.
1.5 SUBMITTALS
A. Comply with Section 01330 - Submittal Procedures.
B. Product Data: Submit manufacturer's product data, including materials, components, fabrication, finish, and installation instructions.
C. Shop Drawings: Submit manufacturer's shop drawings, including plans, elevations, sections, and details, indicating dimensions, tolerances, profiles, anchorage, connections, fasteners, hardware, provisions for expansion and contraction, drainage, flashing, finish, and attachments to supports of glazing, framing, and options.
D. Samples: Submit manufacturer’s samples for each glazing type, framing system, finish, and color specified.
E. Manufacturer’s Certification: Submit manufacturer’s certification that materials comply with specified requirements and are suitable for intended application.
F. Manufacturer’s Project References: Submit list of completed projects including project name and location, name of architect, and type of daylighting manufactured.
G. Warranty: Submit manufacturer's standard warranty.
1.6 QUALITY ASSURANCE
A. Manufacturer’s Qualifications:
1. Continuously engaged in translucent insulated daylighting manufacturing with a minimum of 10 years successful experience.
2. Able to demonstrate successful performance on comparable projects.
3. Responsible for all components, including structural design.
B. Installer’s Qualifications:
1. Authorized by manufacturer to install translucent glazing products.
2. Trained by manufacturer’s standard training methods and policies.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name, manufacturer, and location of installation.
B. Storage:
1. Store materials in a clean, dry area indoors in accordance with manufacturer's instructions.
2. Keep temporary protective coverings in place.
3. Do not expose panels to direct sunlight for extended periods.
1.8 WARRANTY
A. Warranty Period: Ten years on weatherization starting on date of substantial completion.
PART 2 PRODUCTS
2.1 MANUFACTURER
Duo-Gard Industries Inc., 40442 Koppernick Road, Canton, Michigan 48187. Toll Free (800) 872-4404. Phone (734) 207-9700. Fax (734) 207-7995. Web Site www.duo-gard.com. E-Mail info@duo-gard.com.
2.2 GLAZING
A. Product: Series 2500, 20mm Curved Canopy system glazed with 20 mm polycarbonate structured sheet
.
B. Sheet Thicknesses: 16 mm.
C. Profile: triple wall or X-wall depending on structural requirement.
D. Color: manufacturers standard
E. U-Value, ASTM C 236: .40.
F. Light Transmission, ASTM D 1003: 35 percent.
G. Fire Tests:
1. Flame Spread, ASTM E 84: Class A
2. Smoke Density, ASTM E 84: Class A
3. Smoke Developed, ASTM D 635: CC1.
H. Sheet widths: 36 to 48 inches depending on structural requirements
I. UV stabilization technology on both sides (top and bottom) of the glazing sheet
2.3 STRUCTURAL FRAMING SYSTEM
A. Glazing Structural System:
1. Rafter System to span per drawing and spaced a maximum of 10 feet apart
2. Purlin system to be spaced a maximum of 5.5 feet apart
3. Glazing to be cold formed to structure and attached with fastener clips per manufacturers drawing
B. Combined Maximum Deflection: 1 inch.
C. Provide additional aluminum structure where and if required
D. Glazing system required to span 5.5 feet (sloped), 6 feet (vertical), and 6 feet curved
E. Structural foundation to be aluminum 6063 T5 tube sized according to structural requirementswithout additional support
2.4 MATERIALS
A. Glazing Panels:
1. Panels: Polycarbonate structured sheets.
2. UV Stabilization: Coextruded into panels, not coated.
3. Resist Yellowing, ASTM D 2244: Maximum 10 delta for a minimum of 10 years.
4. Sheet Appearance: Uniform in color.
5. Expansion and Contraction: Design and install components with provisions for expansion and contraction due to a 120 degree F temperature variation.
B. Joint Sealant:
1. Factory-Applied Sealant: Gunnable, nonhardening, elastomeric sealant. ASTM C 920, Type S, Class 12, Grade NS. Fed Spec TT-S-1657, Type 1.n.
2. Field-Applied Sealant: Approved by translucent insulated daylighting manufacturer. As specified in Section 07920.
C. Field Fasteners:
1. Comply with translucent insulated daylighting manufacturer’s instructions for fastener types, quantities, and usage.
2. Cadmium-plated or better. Prevent oxidation or electrolytic interaction with framing.
3. Aluminum-to-Aluminum Connections: Self-drilling screws, No. 10 and No. 12, of sufficient length for full-thread engagement, as determined by manufacturer.
2.5 COLOR AND FINISH
A. Panel Color:
1. Manufacturer's standard
B. Aluminum Finish:
1. Manufacturer's standard
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine areas to receive translucent insulated daylighting. Notify Architect of conditions that would adversely affect installation or subsequent utilization of daylighting. Do not proceed with installation until unsatisfactory conditions are corrected.
3.2 PREPARATION
A. Ensure supports to receive translucent insulated daylighting are clean, flat, level, plumb, square, accurately aligned, and correctly located.
3.3 INSTALLATION
A. Install translucent insulated daylighting in accordance with manufacturer's instructions at locations indicated on the drawings.
B. Install daylighting level, plumb, square, accurately aligned, correctly located, and without warp.
C. Anchor daylighting securely in place to supports. Use attachment methods permitting adjustment for construction tolerances, irregularities, alignment, and expansion and contraction.
D. Install daylighting including flashing, fasteners, hardware, gaskets, joint sealants, and glazing materials required for a complete, weathertight installation.
E. Sheet Metal Flashing: Install sheet metal flashing as specified in Section 07620.
F. Joint Sealants: Install joint sealants as specified in Section 07920.
G. Repair minor damages to metal finish or glazing in accordance with manufacturer's instructions and as approved by Architect. Remove and replace damaged components that cannot be successfully repaired as determined by Architect.
3.4 CLEANING
A. Clean translucent insulated daylighting in accordance with manufacturer's instructions.
B. Clean inside and outside of daylighting immediately after installation and after joint sealants have cured.
C. Remove temporary protective coverings at time of installation (interior) and after installation is complete (exterior).
D. Remove excess joint sealant in accordance with sealant manufacturer's instructions.
E. Do not use harsh cleaning materials or methods that would damage metal finish or glazing.
3.5 PROTECTION
A. Protect installed translucent insulated daylighting from damage during construction.
B. Remove and replace damaged daylighting components as determined by Architect.
END OF SECTION
