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	SECTION 06520
	OUTDOOR FLOORING SYSTEM
	Copyright 2009 - 2011 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** DexSystems Inc.; outdoor flooring system products. . This section is based on the products of DexSystems Inc., which is located at: 1740 Dell Range Blvd. Suite H480 Cheyenne, WY 82009 Toll Free Tel: 888-883-4098 Email: sales@dexsystemsinc.com Web: www.outdoorfloorsystem.com [ Click Here ] for additional information. The Outdoor Floor System™ is the best choice for placing gauged stone or tile in any outdoor living space in any climate and all without the use of traditional cement based mortars grouts or adhesives. Or take on grade pavers to new levels and surface this underlayment system with brick/concrete/stone pavers without traditional sand beds. Place over any joist framing 16 inches or 24 inches O.C. Use in place of any other decking material for decks at any height. Can be used over any underdeck drainage system. Surface with your selection of gauged stone/tile or brick/concrete or stone pavers. The engineered components of the Outdoor Floor System™ provide a strong yet light-weight underlayment assembly for a durable and secure exterior flooring surface for pedestrian traffic. Whether it's GratedeX® for a traditional deck or PierdeX™ for a roof-top terrace, there's no better combination of strength, durability and creative flexibility!
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Outdoor Raised Deck Floor System.
		B.	Rooftop Terrace Floor Deck System.
		C.	Outdoor On Grade Deck Floor System
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 04220 - Concrete Unit Masonry.
		B.	Section 06150 - Wood Decking.
		C.	Section 06500 - Structural Plastic Decking.
		D.	Section 06730 - Composite Decking.
		E.	Section 07500 - Membrane Roofing.
		F.	Section 07720 - Roof Walkways.
		G.	Section 07760 - Roof Pavers.
		H.	Section 02780 - Unit Pavers.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
		B.	ASTM E72-98 - Standard Test Methods of Conducting Strength Tests of Panels for Building Construction.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		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:
			1.	Indicate tile layout, patterns, color arrangement, perimeter conditions, and junctions with dissimilar materials, thresholds, and setting details
		D.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product.
		E.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: Manufacturer specializing in the work of this section with minimum five years experience.
		B.	Installer Qualifications: Company specializing in performing similar work to the work of this section with minimum two years experience.
	** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		C.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
			1.	Finish areas designated by Architect.
			2.	Mock-up shall consist of a minimum of 4 underlayment panels and associated components.
			3.	Do not proceed with remaining work until workmanship is approved by Architect.
			4.	Refinish mock-up area as required to produce acceptable work.
			5.	Accepted mock-ups shall be comparison standard for remaining Work
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Deliver materials in manufacturer's unopened containers, fully identified with name, brand, type, and grade.
		C.	Store adhesives out of direct sunlight at temperatures 40-75 degrees. Some adhesives require special handling and storage. Follow manufacturer's written instructions for storage and handling of all products.
		D.	Protect materials from contamination in accordance with manufacturer's instructions.
		E.	Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
	1.7	SEQUENCING
		A.	Ensure that locating templates and other information required for installation of products of this section are furnished to affected trades in time to prevent interruption of construction progress.
		B.	Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
	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.
		B.	Deck supports specified are to be for used with pedestrian traffic only.
		C.	In the case of decks over roofing substrates, roof systems must meet local building code and be in accordance with the NRCA construction practices. Only roofing manufacturer approved systems shall be used.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: DexSystems Inc., which is located at: 1740 Dell Range Blvd. Suite H480 ; Cheyenne, WY 82009; Toll Free Tel: 888-883-4098; Email: sales@dexsystemsinc.com; Web: www.outdoorfloorsystem.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 01600.
	2.2	APPLICATIONS/SCOPE
	** NOTE TO SPECIFIER ** Select one of the following two underlayment system paragraphs for creating a stone or tile terrace on a traditional elevated deck framing or on pads over a solid decked surface. Delete the paragraph(s) if not required.
		A.	Flooring Packages For Placement On Framing: GratedeX Outdoor Flooring System Package. Components provide a strong, light-weight underlayment assembly for exterior flooring surface as indicated.
			1.	GX01: GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels with PT02 Bite-Tite fasteners and Hold-Tite TA Trowelable Adhesive for placement of stone or tile on a decking surface.
			2.	GX02; GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels with PT02 Bite-Tite fasteners and Hold-Tite CS Contact Adhesive for placement of stone or tile on a decking surface.
			3.	GX03; GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels with PT02 Bite-Tite fasteners and dry-laid installation for placement of pavers on a decking surface.
		B.	Flooring Packages For Placement On Pads over a Solid Surface: GratedeX Outdoor Flooring System Packages. Components provide a strong, light-weight underlayment assembly for exterior flooring surface as indicated.
			1.	GX11; GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels with Hold-Tite TA Trowelable Adhesive and Ped-Tite connectors for placement of stone or tile on pads floating on a solid surface.
			2.	GX12; GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels with Hold-Tite CS Contact Adhesive and Ped-Tite connectors for placement of stone or tile on pads floating on a solid surface.
			3.	GX13; GratedeX 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) underlayment panels and Ped-Tite connectors with dry-laid installation for placement of pavers on pads floating on a solid surface.
	** NOTE TO SPECIFIER ** Select the following underlayment system paragraph for creating a modular and removable roof-top terrace over a waterproof surface. Delete the paragraph if not required.
		C.	Flooring Packages For Placement On Pedestals: PierdeX Outdoor Flooring System Package. Components provide a strong, light-weight underlayment assembly for a modular and removable roof-top terrace over a waterproof surface as indicated.
			1.	PX01; PierdeX 32 inches by 32 inches by 1.25 inches (813 mm by 813 mm by 32 mm) underlayment panels with Hold-Tite TA Trowelable Adhesive and Ped-Tite connectors for placement of stone/tile on pedestals.
			2.	PX02; PierdeX 32 inches by 32 inches by 1.25 inches (813 mm by 813 mm by 32 mm) underlayment panels with Hold-Tite CS Contact Adhesive and Ped-Tite connectors for placement of stone/tile on pedestals.
			3.	PX03; PierdeX 32 inches by 32 inches by 1.25 inches (813 mm by 813 mm by 32 mm) underlayment panels with dry-laid installation and Ped-Tite connectors for placement of pavers on pedestals.
	** NOTE TO SPECIFIER ** Select from the following paragraphs the materials required for the system(s) specified. Delete the materials not required for the system specified. If more than one system is required, clearly indicate the location of each on the Drawings.
	2.3	MATERIALS
	** NOTE TO SPECIFIER ** GratedeX® underlayment is designed to support live loads of stone or tile surfaces and of pedestrian foot traffic with span supports between 16 to 24 inches O.C. Panels are designed with open voids for water drainage. Panels can be cut to any dimension including use as stair treads and riser. When placed over a framed bearing surface, Bite-Tite® fasteners secure the panels in position. Weld-Tite® adhesive can be used to add additional strength to the flooring system or to bond panel edges at stair treads and risers.
		A.	Underlayment Panel: PT01 GratedeX frame supported underlayment panel.
			1.	Dimensions: 48 inches by 48 inches by 1 Inch (1219 mm by 1219 mm by 25 mm) (16 sf/panel).
			2.	Weight: 44 lbs (20 kg) /panel, 2.75 lbs/sf or installed weight with adhesive 3.5 lbs/sf.
			3.	Material: FRP-fiber reinforced plastic.
			4.	Color: Dark gray/brown.
			5.	Surface: Flat, smooth, true, square all directions, all sides.
			6.	Cut Down/Spans: 16 inches or 24 inches (406 mm or 610 mm).
			7.	Weatherability: Moisture/temperature resistant.
			8.	Contaminant: Does not support bacteria or mold growth.
			9.	Durability: Moderate corrosion resistance including seawater.
			10.	Fire Rating: ASTM E 84; Class 1, flame spread rating of 25 or less.
			11.	Structural Properties: Standard full size panel 48 inches by 48 inches by 1 inch (1219 mm by 1219 mm by 25 mm) with 2 inch (51 mm) bearing on joist framing for the full width of the panel at the following spans.
				a.	Point Load:
					1)	Span: 16 inches (406 mm) O.C. with 800 lbs (363 kg) total load and 1/32 inch (0.8 mm) deflection.
					2)	Span: 24 inches (610 mm) O.C. with 400 lbs (181 kg) total load and 1/32 inch (0.8 mm) deflection.
					3)	Span: 24 inches (610 mm) O.C. with 800 lbs (363 kg) total load and 1/16 inch (1.5 mm) deflection.
				b.	Line Load:
					1)	Span: 16 inches (406 mm) O.C. with a 200 lbs (91 kg) LF or 800 lbs (363 kg) total load with a 1/32 inch (0.8 mm) deflection.
					2)	Span: 24 inches (610 mm) O.C. with a 100 lbs (45kg) LF or 400 lbs (181 kg) total load and 1/32 inch (0.8 mm) deflection.
					3)	Span: 24 inches (610 mm) O.C. with 2 200 lbs (91 kg) LF or 800 lbs (363 kg) total load and 1/16 inch (1.5 mm) deflection.
				c.	Uniform Load:
					1)	Span: 16 inches (406 mm) O.C. with a 150 lbs/sf, 800 lbs total load with 1/64 inch deflection.
					2)	Span: 24 inches (610 mm) O.C. with a 100 lbs/sf, 800 lbs total load with 1/32 inch (0.8 mm) deflection.
				d.	Capacity:
					1)	Span: 16 inches (406 mm) O.C. 1780 lbs/sf.
					2)	Span: 24 inches (610 mm) O.C. 2965 lbs/sf.
			12.	Racking Load: Tested in conformance with ASTM E72-98, Section 14, Racking Load.
				a.	Span: 16 inches (406 mm) O.C. with a 6282 lbs maximum load with 1.47 inch deflection and a recommended shear value of 200 lbs/sq based on a safety factor of 3.
				b.	Span: 24 inches (610 mm) O.C. with a 6282 lbs maximum load with 1.47 inch deflection and a recommended shear value of 170 lbs/sq based on a safety factor of 3.
	** NOTE TO SPECIFIER ** PierdeX ® underlayment is designed for 4 corner pier supported live loads of stone or tile surfaces and of pedestrian foot traffic for a modular and removable roof-top terrace over a waterproof surface. Panels can be cut to any dimension including use as stair treads and riser. Weld-Tite® adhesive can be used to add additional strength to the flooring system or to bond panel edges at stair treads and risers.
		B.	Underlayment Panel: PT08 PierdeX pier supported underlayment panel.
			1.	Dimensions: Nominal 32 inches by 32 inches by 1.25 inches (813 mm by 813 mm by 32 mm) (7 sf/panel).
			2.	Weight: 31 lbs (14 kg) /panel, 4.43 lbs/sf or installed weight with adhesive 5.29 lbs/sf.
			3.	Material: FRP-fiber reinforced plastic.
			4.	Color: Brown/black.
			5.	Surface: Flat, smooth, true, square all directions, all sides.
			6.	Cut Down Size: None.
			7.	Spans: 32 inches (813 mm).
			8.	Weatherability: Moisture/temperature resistant.
			9.	Contaminant: Does not support bacteria or mold growth.
			10.	Durability: Moderate corrosion resistance including seawater.
			11.	Fire Rating: ASTM E 84; Class 1, flame spread rating of 25 or less.
			12.	Structural Properties: Standard full size panel 32 inches by 32 inches by 1.25 inches (813 mm by 813 mm by 32 mm) with four corner support on 6 inch Ped-Tite connectors with 4 inch ABS pipe.
				a.	Corner Support/Point Load: 75 lbs/sf, 400 lbs total with 3/64 inch (1.2 mm) deflection.
				b.	Line Load:
					1)	75 lbs/sf, 350 lbs total load with 1/32 inch (0.8 mm) deflection.
					2)	150 lbs/sf, 400 lbs total load with 1/16 inch (1.5 mm) deflection.
				c.	Uniform Load:
					1)	50 lbs/sf, 350 lbs total load with 1/32 inch (0.8 mm) deflection.
					2)	100 lbs/sf, 700 lbs total load with 5/64 inch (2 mm) deflection.
				d.	Capacity: 3200 lbs/sf.
		C.	Pedestal Connector: PT06 Ped-Tite for use with PierdeX underlayment panels.
			1.	Material: ABS.
			2.	Size: 6 inch diameter by 7/8 inch (22 mm) high.
			3.	Color: black.
			4.	Bottom Surface smooth; add protection layer as required over waterproofing
			5.	Pad Clearance 1/2 inch (12.5 m) between bottom of panel and bearing surface
			6.	Pipe Height: Minimum 5/8 inch (16 mm) pipe when attached to top and bottom Ped-Tite.
			7.	Pedestal Height: Minimum 1-1/4 inch (32 mm) between bottom of panel and bearing surface
			8.	Pedestal Pipe: 4 inch (102 mm) ABS SCH40 DWV (not included) cut to length; 4 inches (102 mm) OD, 4-1/2 inch (114 mm) ID.
	** NOTE TO SPECIFIER ** Select from the following optional paragraph if required for the system(s) specified. Delete if not required.
			9.	Adjusting: Use ABS threaded male and female coupling for adjustments in heights over 8 inches.
			10.	Pedestal Placement: Maximum of 24 inches (610 mm) O.C. with GratedeX panel, and a maximum of 32 inches (813 mm) O.C. with PierdeX panel.
			11.	Pedestal Attachment: Ped-Tite may be loose or glued to surface
		D.	Panel Fastener and Screw: PT02 Bite-Tite fasteners for use with GratedeX underlayment panels.
			1.	Panel Fastener: 16 gage 304 Stainless Steel. 1-1/2 inches by 1-1/2 inches (38 mm by 38 mm).
			2.	Screw: 3 inch (76 mm) square drive 305 Stainless Steel.
		E.	Underlayment Panel Adhesive: PT07 Weld-Tite adhesive for bonding adjacent underlayment panels.
			1.	Material: 2-Part Adhesive
			2.	Quantity: 1/4 inch (6 mm) bead 14 feet (4.26 m) long
			3.	Color: Neutral
			4.	Bond Performance: Panel stock failure.
			5.	Open Time: 4 to 5 minutes.
			6.	Gel Time: 5 to 8 minutes.
			7.	Fixture Time: 10 to 12 minutes.
			8.	Elongation: 15 to 20 percent.
			9.	Operating Temperature: 40 to 250 degrees F (4 to 121 degrees C).
			10.	Storage Temperature: 40 to 70 degrees F (4 to 21 degrees C).
		F.	Trowelable Adhesive: PT04 Hold-Tite TA for bonding tile or pavers to underlayment panels.
			1.	Material: Thick and flexible electrometric adhesive for exterior use
			2.	Color: black.
			3.	Trowel Size: 3/16 inch (5 mm) v-notch
			4.	Tack Free: Less than 60 minutes at 70 degrees F (21 degrees C) at 50 percent RH.
			5.	Skin Time: Less than 30 minutes at 70 degrees F (21 degrees C) at 50 percent RH.
			6.	Sag: None
			7.	Tensile Strength 225 psi.
			8.	Lap Shear: 275 psi.
			9.	Elongation: 275 percent.
			10.	High Temp Resistance up to 400 degrees F (204 degrees C) for short periods.
			11.	Low Temp Flex properties retained to minus 75 degrees F (24 degrees C).
			12.	UV Rating: No change after 200 hours.
			13.	Weatherability: Moisture/temperature resistant
			14.	Contaminant: Does not support bacteria or mold growth
			15.	Clean Up: Mineral spirits
		G.	Contact Sheet Adhesive: PT03 Hold-Tite CS for bonding tile or pavers to underlayment panels.
			1.	Dimensions: 15-3/4 inches by 15-3/4 inches by 1/16 inch (400 mm by 400 mm by 1.6 mm).
			2.	Material: Double sided flexible adhesive sheet for all weather use.
			3.	Color: black
			4.	Weatherability: Moisture/temperature resistant
			5.	Contaminant: Does not support bacteria or mold growth
	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.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
		B.	Establish accurate lines, levels and pattern.
		C.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
	** NOTE TO SPECIFIER ** Include the following paragraph for deck to be installed over framing or decking. Delete if not applicable.
		D.	Substrate surface that will underlayment panels shall be structurally capable of carrying the dead and live loads anticipated.
	** NOTE TO SPECIFIER ** Include the following paragraph for deck to be installed using pedestal connectors on grade. Delete if not applicable.
		E.	Substrate surface that will receive the deck supports must be well compacted or structurally capable of carrying the dead and live loads anticipated.
		F.	Substrate must be clean and free of projections and debris that could impair the performance of the total deck system.
	** NOTE TO SPECIFIER ** Delete the next paragraph if Pedestals are not installed in conjunction with roof or waterproofing systems.
		G.	Decks over roofing and waterproofing: Verify that installation conforms to section roofing or waterproofing manufacturer's requirements. Coordinate with roof and waterproofing installation.
	3.3	INSTALLATION
		A.	Install in accordance with manufacturer's instructions.
		B.	Install deck materials, pattern, grid layout, and finished elevation as indicated on the Drawings.
		C.	Establish starting point and the finished elevation of the deck surface and mark around the perimeter with an acceptable leveling device.
		D.	Mark off and square all outside edges with control. Install two lines that are perpendicular to each other across the deck area. Continue to mark a grid of lines in both directions marking the location of each pedestal. Use the control lines as references to periodically check the layout during installation.
	** NOTE TO SPECIFIER ** Include the following two paragraphs for unrestrained decks. Delete if not applicable.
		E.	Any area of a deck or roof terrace in which the outdoor floor system underlayment is not secured to the faming or that is not restrained by a parapet or foundation wall must be 'boxed-in' and contained. Deck panels will move if all sides are not adequately restrained.
		F.	Perimeter framing or facia boards located at the outside of the deck perimeter can be installed to the outside of the underlayment, flush with the surface finish to retain the underlayment or below the underlayment as a finish board only with a maximum 1 inch (25 mm) overhang of the underlayment beyond the facia edge.
	** NOTE TO SPECIFIER ** Insert the section reference for the paver type to be installed. Material can be concrete, brick, stone, other similar material with a minimum size of 4 inches and a thickness of 1 inch to 2-1/2 inches. Bottom Finish must be non-scaling and uniformly flat all directions plus or minus 1/16 inch. Place in any orientation of pattern or without perimeter trim.
		G.	Paver Finish: Coordinate with pavers specified in Section _______.
			1.	Fabric 6 oz (medium weight) nonwoven geotextite.
			2.	Place in orientation or pattern indicated.
			3.	Spacing tight edge to edge with drainage between paver joints and thru panel.
			4.	No sand or fillers required.
			5.	Paver perimeters must be secured as indicated as specified with perimeter framing of facia boards or to the underlayment with PT04 Hold-Tite TA trowelable adhesive.
	** NOTE TO SPECIFIER ** Insert the section reference for the stone or tile type specified. Material can be gauged natural stone tiles, porcelain tiles or other similar materials with a minimum size of 4 inches and a thickness of 1/4 inch to 1/2 inch. Bottom Finish must be non-scaling and uniformly flat all directions plus or minus 1/16 inch. Place in any orientation of pattern or without perimeter trim.
		H.	Stone/Tile Finish: Coordinate with stone/tile specified in Section _______.
			1.	Place in orientation or pattern indicated.
			2.	Spacing 1/16 inch to 1/8 inch (16 mm to 32 mm) with drainage between paver joints and thru panel.
			3.	No joint fillers required.
	3.4	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION