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TUBULAR DAYLIGHTING DEVICE PART 1 GENERAL 1.1 SECTION INCLUDES: A. Tubular Skylights. (TDD) B. Accessories. 1.2 RELATED SECTIONS A. Section 07620 - Sheetmetal Flashings. 1.3 REFERENCES A. ASTM E 283 – Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen. B. ASTM E 330 – Structural Performance of Exterior Windows, Curtain Walls and Doors. C. ASTM E 331 - Test Method for Water Penetration of Exterior Windows, Curtain Walls, Doors by Static Air Pressure Difference. D. ASTM E 1996 - Standard Specification for Performance of Exterior Windows, Curtain Walls, Doors and Impact Protective Systems Impacted by Wind born Debris in Hurricanes. E. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials; 2001. F. ASTM E 108 - Standard Test Methods for Fire Tests of Roof Coverings. G. ASTM D 635 - Test Method for Rate of Burning and/or Extent of Time of Burning of Self-Supporting Plastics in a Horizontal Position. H. D-1929 - Test Method for Ignition Properties of Plastics. I. UL 790 - Complies to Standard for Tests for Fire Resistance of Roof Covering Materials. 1.4 DESIGN / PERFORMANCE REQUIREMENTS A. Hurricane tested and approved for large missile impacts and severe wind loads, tested by the Hurricane Test Laboratory, Inc., Riviera Beach, Florida in accordance with Miami-Dade County Protocal, TAS 201, TAS 202, and TAS 203 to achieve NOA - 07-0917.03 to meet code for use in HVHZ (High Velocity Hurricane Zone) with design pressure of +100/ -100 psf. 1. Uniform Load Test: Withstand dead and live loads caused by pressure and uplift of wind acting normal to plane of roof to a download pressure of +100 psf and an uplift pressure of -100 psf measured in accordance with ANSIIASTM E 330, MMA/WDMA 1600/17and TAS 201.
TUBULAR SKYLIGHTING DEVICE 1.4 DESIGN / PERFORMANCE REQUIREMENTS (continued) 2. Air leakage through assembly limited to 0.30 cfm/ft², measured at a reference differential pressure across assembly of 75 Pa (1.57 psf.) as measured in accordance with MMA/WDMA/ 1600/1S7, ANSI / ASTM E 283 and TAS 202. 3. Water infiltration: No water penetration noted when measured in accordance with MMAlWDMAl1600/lS7, TAS 202, and ANSI / ASTM E 331 with a test pressure differential of 15 psf. 4. Large Missile Impact: Passes Large Missile Impact Test when measured in accordance with TAS 201, and ANSI/ASTM E 1886/ E 1996. B. Fire Testing: 1. Class B Burning Brand - The burning brand shall self-extinguish without transferring the fire to the dome. See ASTM E 108 and UL 790. Flame Spread-0. 2. Self-Ignition Temperature - Greater than 650 degrees F Per: U.B.C. Standard 26-6. See ASTM D 1929. 3. Smoke Density - Rating no greater than 450 Per U.B.C. 8-1 (See ASTM Standard E 84) Smoke Density-0. 4. Rate of Bum - Minimum Burning Rate: 2.5 inches/min (64 mm/min) Classification CC-1: U.B.C. Standard 26-7. See ASTM D 635- ASTM D1929. 1.5 SUBMITTALS A. Submit under provisions of Section 01600. B. Product Data: Manufacturer's data sheets on each product to be used, Including: 1. Preparation instructions and recommendations. 2. Storage and handling requirements and recommendations. 3. Installation methods. C. Shop Drawings: Submit shop drawings showing layout, profiles and product components, including anchorage, flashings and accessories. D. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product and finish. E. Manufacturer's Certificates: Certify products meet or exceed specified requirements. F. Manufacturers warranties.
TUBULAR DAYLIGHTING DEVICE 1.6 QUALITY ASSURANCE A. Manufacturer Qualifications: Manufacturer engaged in manufacture of tubular skylights for minimum 10 years. B. Installer Qualifications: Installer engaged in installation of tubular skylights for minimum 3 years. 1.7 DELIVERY, STORAGE, AND HANDLING. A. Store products in manufacturer's unopened packaging until ready for installation. B. Protect materials from exposure to moisture. Do not deliver until after wet work is complete and dry. C. Store materials in a dry, warm, ventilated weather tight location. 1.8 PROJECT CONDITIONS A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits. 1.9 WARRANTY A. Tubular Skylights: Manufacturer's standard warranty for 10 years on all component parts 1.10 COORDINATION A. Coordinate Work with other operations and installation of roofing materials to avoid damage to installed materials.
TUBULAR DAYLIGHTING DEVICE PART 2 PRODUCTS 2.1 MANUFACTURERS A. Acceptable Manufacturer: Sun-Dome by Daylighting Technologies, located at 3520 Investment Lane, Ste. 4 West Palm Beach, Fl. 33404 Toll free 800-596-8414, Local, 561-840-0095, FAX 561-840-7606. 2.2 MATERIALS A. Tubular Skylights General 1. High-impact Polycarbonate Lexan® dome installed with a breathable weather strip seal to control condensation problems.. 2. Aluminum flashings provided to fit roof slopes correctly to allow collector dome to capture all available light by being installed upright and parallel to the ground. 3. Alanod Miro Silver®, the top rated UV stable reflective light pipe available. 4. Acrylic domed ceiling diffuser that seals tightly to ceiling surface to stop air leakage. B. Model sizes: 10”,13” and 21” 1. Dome: 100 percent impact tested, UV stabilized polycarbonate GE Lexan®. 2. Roof Mount: Supplied with correct slope flashing from flat to 9/12 pitch to allow clear dome collector to be parallel to ground on sloped roof application to remove possibility of ridge shadow early and late. 3. Light Pipe: Alanod MIRO-SILVER with high quality 0.020 thickness tubing. 4. Diffuser: Domed GE Acrylic, with positive air tight styrene gasket seal directly to ceiling surface. 5. White Translucent Diffuser 2.3 ACCESSORIES A. Light Pipe Elbows (angle adapters): Constructed of Alanod MIRO-SILVER, are fully adjustable from 0 to 35 degrees, to allow pipes to be routed around possible obstructions and to align tubes in suspended ceiling applications or other cases where straight pipes cannot be used. . B. Additional Light Pipe Extensions: are supplied in lengths of 24 inch (610 mm) to achieve the correct distance from roof to ceiling or suspended height from floor. C. Suggested Maximum Pipe Length: 10” tube-10-12 ft – 13” tube 14-16 ft – 21” tube 22-24 ft. D. All external fasteners are stainless steel material to prevent rusting and corrosion. E. Sealant: Polyurethane or copolymer based sealant as provided or recommended by manufacturer.
TUBULAR DAYLIGHTING DEVICE PART 3 EXECUTION 3.1 EXAMINATION A. Do not begin installation until substrates have been properly prepared. B. If substrate preparation is the responsibility of another installer, notify architect of Unsatisfactory preparation before proceeding. 3.2 PREPARATION A. Clean surfaces thoroughly prior to installation. B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. 3.3 INSTALLATION A. Install in accordance with manufacturer's printed instructions. B. Ceiling: 1. Cut opening to correct size of tubing centered between ceiling joists. C. Roof/Attic: 1. Cut opening for penetration ½” larger than tube used. 2. Install flashing per manufacturers instructions & shop drawings. 3. Measure tube length needed from highest point of top of flashing to interior ceiling surface. 4. Assemble tube components and install tube sections down from roof to ceiling opening flush with ceiling surface and seal pipe at termination to ceiling surface (see directions) 5. Attach domed translucent diffuser directly to ceiling using hardware provided with ¾” styrene gasket to insure air leakage in or out of area. 6. Attach polycarbonate dome using fasteners provided in kit, per manufacturer’s Instructions shop drawings. 3.4 PROTECTION A. Protect installed products until completion of project. B. Inspect installed units for damage at completion of roof surface. |
