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	SECTION 08 62 23
	TUBULAR SKYLIGHTS
	Copyright 2019 - 2019 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** Sunoptics Prismatic Skylights ; high-performance prismatic daylighting skylights for suspended-ceiling applications. This section is based on the products of Sunoptics Prismatic Skylights , which is located at: 6201 27th St. Sacramento, CA 95822 Toll Free Tel: 800-289-4700 Fax: 916-395-9204 Email: request info Web: http://sunoptics.acuitybrands.com [ Click Here ] for additional information. Founded in 1978, Sunoptics Prismatic Skylights is a worldwide leader in high-performance daylighting. Our mission is to harness the power of the sun to maximize the cost-effective energy savings of daylighting. In 2011, Sunoptics joined forces with Acuity Brands to combine daylighting, electric luminaires and advanced lighting controls to offer the industry's most complete set of sustainable and energy-efficient lighting solutions. For a number of years, Sunoptics and Acuity Brand's Lighting Controls & Design products have been available in an integrated solution that enhances the value of prismatic skylighting solutions. Sunoptics leverages unique design, materials and construction to optimize lighting performance through prismatic lenses. These lenses provide maximum light transmittance while maintaining 100% diffusion, which eliminates undesirable hot spots, glare and UV damage to the daylighted space. Sunoptics manufactures all of its own plastic with its state-of-the-art extrusion equipment. This provides us the ability to control the light transmission capability of our plastics while maintaining the highest level of product quality in the industry. No other skylight manufacturer has this capability. Our state-of-the-art Photometric Lab as well as a multitude of third party testing confirms real-world performance of all our products. Sunoptics High Performance Prismatic Skylights have been installed in several hundred million square feet of buildings worldwide. These skylights have the potential of replacing over 500 megawatts of electrical lighting energy during a utilities' peak load hours. According to a recent study by Heschong Mahone Group, Inc., a leading expert in daylighting engineering and design, if the U.S. retrofitted all existing buildings that it makes sense to daylight, the potential peak load reduction would equal 20,000 megawatts. That's like replacing the energy produced by more than 40 coal fire energy plants.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
		A.	LightFlex Daylighting System for suspended-ceiling applications. (Model SLFT).
	** NOTE TO SPECIFIER ** Delete if fixtures provided by others and not required in this section.
		B.	Light fixtures.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 06 10 00 - Rough Carpentry.
		B.	Section 07 31 13 - Asphalt Shingles.
		C.	Section 07 32 13 - Clay Roof Tiles.
		D.	Section 07 50 00 - Membrane Roofing.
		E.	Section 07 51 13 - Built-Up Asphalt Roofing.
		F.	Section 07 51 13.13 - Cold-Applied Built-Up Asphalt Roofing.
		G.	Section 07 53 13 - Chlorinated-Polyethylene Roofing.
		H.	Section 07 54 16 - Ketone Ethylene Ester Roofing.
		I.	Section 07 60 00 - Flashing and Sheet Metal.
		J.	Section 07 62 00 - Sheet Metal Flashing and Trim.
		K.	Section 08 63 13 - Domed Metal-Framed Skylights.
		L.	Section 09 21 16.33 - Gypsum Board Area Separation Wall Assemblies.
		M.	Section 09 51 23 - Acoustical Tile Ceilings.
		N.	Section 26 51 13 - Interior Lighting Fixtures, Lamps, And Ballasts.
		O.	Section 26 09 43 - Network Lighting Controls.
		P.	Section - .
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete any references below not relevant to this project; add others as required.
		A.	American National Standards Institute (ANSI):
			1.	ANSI C78.377 - Specifications for the Chromaticity of Solid State Lighting Products.
		B.	American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE):
			1.	ASHRAE 90.1 - Energy Standard for Buildings Except Low-Rise Residential Buildings.
		C.	ASTM International (ASTM):
			1.	ASTM B221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes.
			2.	ASTM D635 - Test Method for Rate of Burning and/or Extent of Time of Burning of Self-Supporting Plastics in a Horizontal Position.
			3.	ASTM D1003 - Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics.
			4.	ASTM D1929 - Test Method for Ignition Properties of Plastics.
			5.	ASTM D2843 - Standard Test Method for Density of Smoke from the Burning or Decomposition of Plastics.
			6.	ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
			7.	ASTM E283 - Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.
			8.	ASTM E330 - Structural Performance of Exterior Windows, Curtain Walls and Doors.
			9.	ASTM E547 - Test Method for Water Penetration of Exterior Windows, Skylights, Doors and Curtain walls by Cyclic Air Pressure Difference.
			10.	ASTM E1886 - 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.
			11.	ASTM E1996 - Standard Specification for Performance of Exterior Windows, Curtain Walls, Doors, and Impact Protective Systems Impacted by Windborne Debris in Hurricane.
			12.	ASTM F1642 - Standard Test Method for Glazing and Glazing Systems Subject to Airblast Loading.
			13.	ASTM F2912 - Standard Specification for Glazing and Glazing Systems Subject to Airblast Loading.
		D.	Factory Mutual System (FM Global):
			1.	FM Approval Guide, Chapter 18 - Building Materials.
			2.	FM Standard 4430 - Test Criteria for Heat and Smoke Vents.
			3.	FM Standard 4431 - Test Criteria for Skylights.
		E.	Florida Building Code TAS 201 - Impact Test Procedures.
		F.	Florida Building Code TAS 202 - Criteria for Testing Impact and Non Impact Resistant Building Envelope Components Using Uniform Static Air Pressure Loading.
		G.	Florida Building Code TAS 203 - Criteria for Testing Products Subject to Cyclic Wind Pressure Loading
		H.	National Fenestration Rating Council (NFRC):
			1.	NFRC 100 - Procedure for Determining Fenestration Product U-Factors.
			2.	NFRC 200 - Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance of Normal Incidence.
		I.	North American Fenestration Standard (NAFS):
			1.	AAMAWDMACSA101I.S.2A440 - The Voluntary Performance Specification for Windows, Skylights, and Glass Doors.
		J.	Occupational Health and Safety Administration (OSHA):
			1.	OSHA 1926.502 - Fall protection systems criteria and practices.
			2.	OSHA 1910 - Occupational Safety and Health Standards.
	1.4	SUBMITTALS
		A.	Submit in accordance with Section 01 30 00 - Administrative Requirements.
		B.	Product Data: Manufacturers current published data on each product to be used including:
	** NOTE TO SPECIFIER ** Delete if fixtures are not specified in this section.
			1.	Manufacturer's standard catalog pages and data sheets including detailed information on luminaire construction, dimensions, ratings, finishes, mounting requirements, listings, service conditions, installed accessories, and ceiling compatibility; include model number nomenclature clearly marked with all proposed features.
			2.	Materials, dimensions, finishes and standard details.
			3.	Compliance with design criteria and project conditions.
			4.	Preparation instructions and recommendations.
			5.	Storage and handling requirements.
			6.	Installation instructions.
		C.	Test Reports: Third party testing and evaluation reports as required by the local jurisdiction.
		D.	Shop Drawings: Include the following items.
			1.	Where design calculations are required, provide shop drawings and calculations.
			2.	Plans, sections, elevations, flashing, connection, and termination details.
			3.	Fabrication and installation details including glazing types, methods of attachment and provisions for thermal movement.
			4.	Roofing system provided by others including insulation.
			5.	Interface details including overall dimensions, thicknesses, and adjacent materials.
			6.	Safety requirements.
			7.	Provide type of diffuser and/or color shifting lens
	** NOTE TO SPECIFIER ** Delete if fixtures are not specified in this section.
		E.	Closeout Submittals:
			1.	Operation and maintenance instructions for product.
			2.	Provide Warranty.
			3.	Provide manufacturers contact information for replacement parts and technical assistance.
			4.	General Contractor responsible for coordinating bid documents. To include pricing from roofing and electrical subcontractors for material and labor associated with LightFlex installation.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of twenty years experience in the top lighting industry. Secondary products shall be acceptable to the primary manufacturer.
		B.	Installer Qualifications: All products shall be installed by a single installer with a minimum of five years demonstrated experience, with adequate equipment, skilled workers, and practical experience to meet the project schedule.
		C.	Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
	** NOTE TO SPECIFIER ** Include mock-up if the project size or quality warrant the expense. The following is one example of how a mock-up on might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		D.	Mock-Up: Construct a mock-up with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect and provide temporary foundations and support.
			1.	Intent of mock-up is to demonstrate quality of workmanship and visual appearance.
			2.	If mock-up is not acceptable, rebuild mock-up until satisfactory results are achieved.
			3.	Retain mock-up during construction as a standard for comparison with completed work.
			4.	Do not alter or remove mock-up until work is completed or removal is authorized.
	1.6	PRE-INSTALLATION CONFERENCE
		A.	Convene on project site, minimum one week before beginning work.
			1.	With General Contractors guidance, coordinate between trades.
				a.	Roofing Contractor: Installs skylights, curbs, and full tubular LightFlex system assembly.
				b.	Electrical Contractor: Wires components and program nLight louver controls.
			2.	Verify project requirements and site logistics.
			3.	Assess integrity of roofing system and building structure.
			4.	Review manufacturers installation instructions and warranty requirements.
	1.7	DELIVERY, STORAGE AND HANDLING
		A.	Coordinate delivery schedule with the General Contractor and project schedule to minimize on site storage.
		B.	Store products in manufacturer's unopened packaging until ready for installation. Store materials in a dry area, protected from freezing, staining, contamination or damage.
		C.	Do not exceed structural loading with workers or installation materials.
	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 limits.
			1.	Review manufacturers installation instructions and warranty requirements.
	** NOTE TO SPECIFIER ** Delete below if warranty is not required. Confirm model and warranties with each model type and the manufacturer based on glazing and frame selections.
	1.9	WARRANTY
		A.	Provide manufacturer's standard warranty covering defective materials, workmanship and performance including the following Warranty Periods:
	**NOTE TO SPECIFIER** Choose either the 5 or 10 year warranty. Delete duration not required.
			1.	Leak Free Warranty: 5 years.
			2.	Leak Free Warranty: 10 years.
		B.	Reference https://www.acuitybrands.com/resources/terms-and-conditions for details on Sunoptics warranty program.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Sunoptics Prismatic Skylights , which is located at: 6201 27th St.; Sacramento, CA 95822; Toll Free Tel: 800-289-4700; Fax: 916-395-9204; Email: request info; Web: http://sunoptics.acuitybrands.com
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
	** NOTE TO SPECIFIER ** Daylighting benefits include reduced energy consumption, high quality illumination at the lowest watts per area, increased productivity, increased sales, improved student performance, lower absenteeism, employee retention and well-being, improved comfort. Typical applications include offices, schools, and retail, note that certain airborne contaminants can diminish integrity of acrylic, refer to the manufacturers Acrylic Environmental Compatibility tables for suitable uses.
	2.2	LIGHTFLEX DAYLIGHTING DEVICES
		A.	Model SLFT, Tubular System, LightFlex Daylighting Devices: Daylighting devices bring natural light into suspended, finished ceiling applications that do not have direct access to the roof while meeting the following criteria:
		B.	Standards Compliance:
	** NOTE TO SPECIFIER ** FM approved and HVHZ are options. Delete if not required.
			1.	FM Approved, with polycarbonate, with CC1.
			2.	High Velocity Hurricane Zone (HVHZ) Approved, with CC1CC2 (Single or Double Glazed).
			3.	AAMA Certified.
			4.	NFRC Certified.
		C.	Performance and Design Requirements:
			1.	Conform with authorities having jurisdiction and meet design criteria of the project location and the following criteria.
	** NOTE TO SPECIFIER ** Include only as required; add others as required. Confirm testing and certification with each model, coordinate with Part 2. Delete below where not required.
				a.	Certified by NFRC.
				b.	Tested and labeled per AAMAWDMACSA101I.S.2A440.
				c.	Factory Mutual (FM) Approval Class Number 4430 or 4431 as applicable.
				d.	Projects under jurisdiction of Florida Building Code must have a current Florida Building Code (FBC) Number meeting High Velocity Hurricane Zone (HVHZ) requirements and are required for acceptance of Work specified in this section. Skylight must comply with the jurisdictional code body's submittal data and supporting drawings and documentation. Where the code body's acceptance criteria differs from these specifications regarding components and hardware, the code body's requirements shall govern.
				e.	Meet or exceed 200 lbs (90 kg) drop tests.
				f.	Carry a minimum 30 psf (1.44 kPa) tributary roof load or greater per site.
			2.	Optic Sphere: Increases daylight conveyance.
			3.	Interior Light Well:
				a.	Reflective MIRO-SILVER : 98 percent.
				b.	Specular Quality: Greater than 99 percent.
			4.	Light Wells and Adjustable Elbows to bypass obstructions.
				a.	Solar Heat Gain Coefficient (SHGC): 0.24.
				b.	U-Value: 0.40.
				c.	Visible Light Transmission (VLT): 0.40 to 0.68.
			5.	Frame: 6063-T5 extruded aluminum frame with mitered and welded corners, and integral condensation and weepage gutters to drain moisture to the outside.
	** NOTE TO SPECIFIER ** Delete finish options not required. Mill is default, which may be finished to match windows, curtain wall or other exterior aluminum finish system used elsewhere on the project.
			6.	Frame Finish: Mill (MI).
			7.	Frame Finish: White (WH).
			8.	Frame Finish: Bronze (BZ).
			9.	Frame Finish: Custom Finish as selected by the Architect (CF).
	** NOTE TO SPECIFIER ** Delete glazing options not required. Single glazing is typical and the default option.
			10.	Glazing: Single Glazed (SGZ).
			11.	Glazing: Double Glazed (DGZ).
	** NOTE TO SPECIFIER ** Delete skylight lens materials not required. CC2CL1 Acrylic Class 1 is the default.
			12.	Skylight Lens Material: CC1CC2 Polycarbonate.
			13.	Skylight Lens Material: CC1 Polycarbonate.
			14.	Skylight Lens Material: CC2CL1 Acrylic Class 1.
			15.	Skylight Lens Material: CC2CL3 Acrylic Class 3.
			16.	Optic Sphere Lens Material: Acrylic prismatic.
			17.	Roof Curb:
	** NOTE TO SPECIFIER ** Delete curb type not required. Aluminum curb is the default.
				a.	Insulated Curb, Aluminum: Aluminum with fiberglass insulation.
				b.	Insulated Curb, Galvalume: Model AMBC-1, 18 ga. galvalume, full height mitered and welded corners, cell caps supplied loose for field location, including fiberglass insulation, integral cricket water diverter.
				c.	Outside Dimensions: 25 by 25 inch (635 by 635 mm).
				d.	Inside Dimensions: 22 by 22 inch (559 by 559 mm).
	** NOTE TO SPECIFIER ** Delete curb height paragraphs not required.
				e.	Height: 8 inches (203 mm). 2108.
				f.	Height: 14 inches (356 mm). 2114.
				g.	Height: As shown on the Drawings.
			18.	Standard Kit includes the following:
				a.	Signature Series skylight assembly.
				b.	Optic sphere.
				c.	Curb transition.
				d.	18 inches (457 mm) roof curb top tube.
				e.	8 inch (203 mm) Curb with curb sealing tape.
				f.	24 inches (610 mm) light well tubes one and two (Length callout by layout).
				g.	Round to square transition.
				h.	Ceiling diffuser (Diffuser lens style callout by selected style).
	** NOTE TO SPECIFIER ** Delete light well length options not required. Determine the length from the top of the selected curb, 8 or 14 inches, (203 to 356 mm) to the suspended ceiling. If the determined length falls between shaft lengths, select the longer length and adjust in the field. Additional tubes may be required when using elbows and avoiding obstructions. For lengths over 18 feet (5486 mm) contact the manufacturer. Standard LightFlex includes straight tubes only, adjustable elbows and louvers are to be ordered separately
			19.	Light Well Length: 4 foot (1219 mm) shaft (minimum length available). 4FT.
			20.	Light Well Length: 6 foot (1829 mm) shaft. 6FT.
			21.	Light Well Length: 8 foot (2438 mm) shaft. 8FT.
			22.	Light Well Length: 10 foot (3048 mm) shaft. 10FT.
			23.	Light Well Length: 12 foot (3658 mm) shaft. 12FT.
			24.	Light Well Length: 14 foot (4267 mm) shaft. 14FT.
			25.	Light Well Length: 16 foot (4877 mm) shaft. 16FT.
			26.	Light Well Length: 18 foot (5486 mm) shaft. 18FT.
	** NOTE TO SPECIFIER ** Delete diffuser lens style options not required for SLFT models. Other styles are available. Contact manufacturer for additional information.
			27.	Diffuser Lens Style: TLED shadowbox lens assembly. TLSBOX.
			28.	Diffuser Lens Style: A19 lens assembly. TLA19.
			29.	Diffuser Lens Style: TLED microprism lens assembly. TLMICPRIS.
			30.	Diffuser Lens Style: Magellan white flat round lens.
			31.	Diffuser Lens Style: Magellan white prismatic round lens.
			32.	Diffuser Lens Style: ALLED troffer. ALLED.
			33.	Diffuser Lens Style: ACLED troffer lens assembly. ACL.
			34.	Diffuser Lens Style: TLSATIN satin lens assembly. TLSATIN.
	** NOTE TO SPECIFIER ** Delete options not required. The maximum angle of adjustment for individual elbows is 30 degrees. One set of elbows is standard, and two sets is optional. Delete if not required.
			35.	Provide with the Following Options:
				a.	Adjustable Elbows, One Set: 2 elbows, each 15-1/2 inch (394 mm) long. ELBOWS.
				b.	Adjustable Elbows, Two Sets: 4 elbows, each 15-1/2 inch (394 mm) long. ELBOWS2.
				c.	Suspension Wire Kit: SUSKIT.
				d.	Security Bar: SBAR.
				e.	Single blade louver.
	** NOTE TO SPECIFIER ** Drywall grid adapter is only available with Magellan Lens. Delete if not required.
				f.	Drywall Grid Adaptor: DWGA (available for Magellan Lens option only).
	2.3	ACCESSORIES
		A.	Installation Screws: No. 12 x 1-1/2 inch (38 mm) 300 series stainless steel screws with neoprene stainless steel bonded washers in quantity recommended by the manufacturer.
	** NOTE TO SPECIFIER ** Security guard options include clip on external guard or burglar bars only. Delete if not required.
		B.	Safety Security Guard, Model ESFP: External Fall Protection of galvanized cold rolled steel, to meet OSHA 1910.23 requirements.
	2.4	FABRICATION
		A.	Fabricated Frames: 6063 T6 aluminum with integral condensation and weeping gutters to drain interior moisture to the outside.
		B.	Factory assemble, glaze skylights, and make ready for installation. Pre-drill for anchorage to roof curbs.
		C.	Fabricate skylights weather tight and free of visual distortions and defects.
		D.	Multi-glazed units include Insulated Thermal Break (ITBR), Curb Seal Tape, Weather Sweep (WSW) and screws.
		E.	Protect exterior drip counter flashing and drainage ports from weather and air-borne debris.
		F.	Miter and full penetration weld all corners of curb and retaining frames with glazing separated from the skylight frame with a silicone seal along the full perimeter of the retaining frame.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Verification of Conditions:
			1.	Confirm work by others is installed per the project requirements. Do not cover work by others prior to inspection or acceptance.
			2.	Do not begin installation until substrates have been properly prepared.
			3.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
		B.	Do not proceed until unacceptable conditions are corrected.
	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 instructions, approved submittals and in proper relationship with adjacent construction. Test for leaks as recommended by manufacturer.
	3.4	CLEANING
		A.	Remove all debris from the project site in accordance with the Owner's construction waste management requirements.
	3.5	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION