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CSI SECTION 08 62 23
TUBULAR DAYLIGHTING DEVICE
PART 1 GENERAL
1.1 SECTION INCLUDES:
A. Tubular Skylights. (TDD) consisting of polycarbonate Lexan� collector dome, aluminum roof flashing, reflective transfer tubes, and diffuser assembly per specifications and drawings
B. Accessories.
1.2 RELATED SECTIONS
A. Section 076200 - Sheet Metal Flashings.
B. Section 075400 - Thermoplastic Membrane Roofing.
C. Or per specifications and drawings.
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, and 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 blown 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 0- 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 with 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, FL in accordance with Miami-Dade County Protocol, 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. (Safety factor of 3).
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 ANSI/ASTM E 330, AAMA/WDMA 1600/IS7and TAS 202 (Safety factor of 3).
2. Air leakage through assembly limited to 0.30 cfm/ft�, measured at a reference differential pressure across assembly of 75 Pa (1.57 psf.) as measured in accordance with AAMA/WDMA/ 1600/IS7, ANSI/ ASTM E 283 and TAS 202.
3. Water infiltration: No water penetration noted when measured in accordance with AAMA/WDMA/1600/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 A 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. Flame spread-0.
4. Rate of Burn - 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 finished 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. (10 Years)
1.6 QUALIFICATIONS RE: LEED
Sun-Dome� has been utilized in LEED Certified projects and is currently specified in dozens of other projects. Under LEED Sun-Dome� may be used to gain credits as listed below:
CREDIT FOR DAYLIGHT: The minimum daylight factor of 2% in 75% of all space occupied for critical visual work. (one point)
ENERGY OPTIMIZATION CREDIT: Determined by minimizing the design energy cost as compared to the energy cost budget for energy systems as regulated by ASHRAE/ESNA Standard 90.1-1999. This credit is factored using a whole building simulation according to the Energy Cost Budget Method. (one to ten points depending upon the energy simulation results)
RECYCLED CONTENT: Scrap metal, polycarbonate, and acrylic materials are recycled during the manufacture of Sun-Dome� units. More than 5% of materials are recycled. (one point)
CONTROLLABILITY OF SYSTEMS (PERIMETER AND NONPERIMETER): Sun-Dome� Could be helpful in this credit if the Eclypse Daylight Dimmer is used to offer daylighting control. (one to two points)
1.7 QUALITY ASSURANCE
A. Manufacturer Qualifications: Manufacturer engaged in manufacture of tubular skylights for minimum of 10 years.
B. Installer Qualifications: Installer engaged in installation of tubular skylights for a minimum of 3 years.
1.8 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.
1.9 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.
1.10 WARRANTY
A. Tubular Skylights: Manufacturer's standard warranty for 10 years on all component parts.
1.11 COORDINATION
A. Coordinate Work with other operations and installation of roofing materials to avoid damage to installed materials.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Sun-Dome� by Daylighting Technologies, Inc., located at 3612 Reese Avenue, Riviera Beach, FL 33404. Toll-Free: 800-596-8414, Local: 561-840-0095, Fax: 561-840-7606, website: www.sun-dome.com, email: info@sun-dome.com.
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 98% reflective light pipe available.
4. Acrylic domed ceiling diffuser that seals tightly to ceiling surface to stop air leakage.
5. Suspended units in open areas are prismatic diffusers which are installed into the tube from the roof top directly through the flashing. This design eliminates the need to work inside of a building for diffuser installation.
B. Model sizes: 10",13" and 21"
1. Dome: 100 percent impact tested, UV stabilized polycarbonate GE Lexan� with nominal thickness of 0.125 inches.
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 morning and late afternoon. The barrel height may be changed.
3. Light Pipe: Alanod Miro Silver� with high quality 0.020 inch thickness tubing which is UV stable and 98% reflective.
4. Diffuser: Domed GE Acrylic, with positive airtight styrene gasket seal applied directly to ceiling surface any air leakage in or out.
5. White Domed Translucent Diffuser or Prismatic (commercial).
6. Transition Troffer from round to square for grid type ceilings with prismatic pyramid diffuser with swing down frame for easy cleaning. The troffer is constructed of 0.040 inch aluminum sheet and interior prismatic diffuser sealed with a closed cell gasket to eliminate air and dirt intrusion and guard against condensation.
2.3 ACCESSORIES
A. Light Pipe Elbows (angle adapters):Fabricated of Alanod Miro Silver�, are fully adjustable from 0 to 30 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. Sun-Dome� transition troffer from round to square prismatic with a prismatic interior diffuser that is 23.750 x 23.750 (inches) fabricated of 0.040 inch aluminum. The lens panel is designed to swing open (downward) to allow for easy cleaning of the unit.
C. Eclypse dimmer comes as a finished assembly ready for installation with a 24 volt actuator motor 24 VAC. 60Hz 6W SPST Two Position, spring return, direct mount, w/ adjustable stop M847D1012. All electrical parts are UL approved.
D. Eclypse dimmer is supplied with wiring conduit and step down transformer mounted in a junction box using a PF42440 Packard Control transformer 24V 40VA 120/208/240V. Primary to be connected to 110/120 by others and may be wired in series. The switch is not included.
E. Additional Light Pipe Extensions: are supplied in lengths of 24 inches (610 mm) to achieve the correct distance from roof to ceiling or suspended height from floor.
F. Suggested Maximum Pipe Length: 10� tube:10-12 ft, 13� tube:14-16 ft, 21� tube:22-24 ft.
G. All external fasteners are stainless steel material to prevent rusting and corrosion.
H. Sealant: Polyurethane or copolymer based sealant as provided or recommended by manufacturer.
I. Curb caps available with 2/ �� x 2/ �� turn downs w/ boxed and riveted corners.
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 and CAD illustrations in accordance with the Architect�s specifications for the project.
B. After the initial installation please perform a field test to verify compliance with the Manufacturer�s installation instructions. This should be conducted in the presence of the owner, the architect, the contractor or a designated supervisor for a final approval.
3.4 PROTECTION
A. Protect installed products until completion of project.
B. Inspect installed units for damage at completion of roof surface.
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