SECTION 02824

WOOD COMPOSITE FENCES AND GATES

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Wood composite fences.
B.	Wood composite gates.
C.	Excavation for posts.
1.2	RELATED SECTIONS
A.	Section 03300 - Cast-In-Place Concrete; Concrete for post foundations. 
B.	Section 06730 - Composite Decking.
1.3	REFERENCES
A.	ASTM C 94 - Standard Specification for Ready-Mixed Concrete.
B.	ASTM C 177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.
C.	ASTM D 143 - Standard Test Methods for Small Clear Specimens of Timber.
D.	ASTM D 198 - Standard Test Methods of Static Tests of Lumber in Structural Sizes.
E.	ASTM D 1037 - Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials.
F.	ASTM D 1413 - Standard Test Method for Wood Preservatives by Laboratory Soil-Block Cultures.
G.	ASTM D 1761 - Standard Test Methods for Mechanical Fasteners in Wood.
H.	ASTM D1929 - Standard Test Method for Determining Ignition Temperature of Plastics.
I.	ASTM D 2047 - Standard Test Method for Static Coefficient of Friction of Polish-Coated Flooring Surfaces as Measured by the James Machine.
J.	ASTM D 2394 - Standard Methods for Simulated Service Testing of Wood and Wood-Base Finish Flooring.
K.	ASTM D 2395 - Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials.
L.	ASTM D 4761 - Standard Test Methods for Mechanical Properties of Lumber and Wood-Base Structural Material.
M.	ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
N.	ASTM F 1679 - Standard Test Method for Using a Variable Incidence Tribometer (VIT).
O.	American Wood Preservers Association (AWPA) E1-06 - Standard Method for Laboratory Evaluation to Determine Resistance to Subterranean Termites.
1.4	DESIGN / PERFORMANCE REQUIREMENTS
A.	Design Requirements: Design fence system to withstand Miami/Dade County 110 MPH steady wind and 130 MPH gusting wind tests.
1.5	SUBMITTALS
A.	Submit under provisions of Section 01300.
B.	Product Data: Manufacturer's data sheets on each product to be used indicating sizes, profiles, surface finishes, and performance characteristics, and including:
1.	Preparation instructions and recommendations.
2.	Storage and handling requirements and recommendations.
3.	Installation methods.
4.	Instructions on care and cleaning of composite wood products.
C.	Verification Samples: For each finish product specified, two samples, minimum size 9 inches (229 mm) square, representing actual product, color, and patterns.
D.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
E.	Closeout Submittals: Provide manufacturer's maintenance instructions that include recommendations for cleaning and maintenance.
1.6	DELIVERY, STORAGE, AND HANDLING
A.	Deliver, store and handle products in accordance with the manufacturer's instructions.
B.	Store level and flat, off ground or floor, with supports at each end and maximum 24 inches on center.
C.	Do not stack wood composite over 8 feet (203 mm) high.
D.	Cover wood composite with waterproof covering, vented to prevent moisture buildup.
1.7	WARRANTY
A.	Provide manufacturer's 25 year residential warranty / 10 year commercial warranty providing coverage against checking, splitting, splintering, rotting, structural damage from termites, and fungal decay of wood composite.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Trex Fencing, which is located at: 160 Exeter Dr.; Winchester, VA 22603; Fax: 877-770-8739; Email: request info (edmund@cfcdistributors.com); Web: www.trexfencing.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
2.2	MATERIALS
A.	Wood composite: Reclaimed wood and plastic with integral coloring; free from toxic chemicals and preservatives:
1.	Characteristics:
a.	Abrasion resistance: 0.01 inch wear per 1000 revolutions, tested to ASTM D 2394.
b.	Hardness: 1124 pounds, tested to ASTM D 143.
c.	Self ignition temperature: 743 degrees F, tested to ASTM D 1929.
d.	Flash ignition temperature: 698 degrees F, tested to ASTM D 1929.
e.	Flame spread rating: 80, tested to ASTM E 84.
f.	Water absorption, 24 hour immersion, tested to ASTM D 1037:
1)	Sanded surface: 4.3 percent.
2)	Unsanded surface: 1.7 percent.
g.	Thermal expansion coefficient, 36 inch long samples:
1)	Width: 35.2 x 10-6 to 42.7 x 10-6.
2)	Length: 16.1 x 10-6 to 19.2 x 10-6.
h.	Fastener withdrawal, tested to ASTM D 1761:
1)	Nail: 163 pounds per inch.
2)	Screw: 558 pounds per inch.
i.	Static coefficient of friction:
1)	Dry: 0.53 to 0.55, tested to ASTM D 2047.
2)	Dry: 0.59 to 0.70, tested to ASTM F 1679.
3)	Wet: 0.70 to 0.75, tested to ASTM F 1679.
j.	Fungus resistance, white and brown rot: No decay, tested to ASTM D 1413.
k.	Termite resistance: 9.6 rating, tested to AWPA E-1.
l.	Specific gravity: 0.91 to 0.95, tested to ASTM D 2395.
m.	Compression:
1)	Parallel: 1806 PSI ultimate, 550 PSI design, tested to ASTM D 198.
2)	Perpendicular: 1944 PSI ultimate, 625 PSI design, tested to ASTM D 143.
n.	Tensile strength: 854 PSI ultimate, 250 PSI design, tested to ASTM D 198.
o.	Shear strength: 561 PSI ultimate, 200 PSI design, tested to ASTM D 143.
p.	Modulus of rupture: 1423 PSI ultimate, 250 PSI design, tested to ASTM D 4761.
q.	Modulus of elasticity: 175,000 PSI ultimate, 100,000 PSI design, tested to ASTM D 4761.
r.	Thermal conductivity: 1.57 BTU per inch per hour per square foot at 85 degrees F, tested to ASTM C 177.
2.3	COMPONENTS
A.	Fence System: Seclusions Privacy Fence System.
1.	Fence height: 
a.	4 feet.
b.	6 feet.
c.	8 feet.
d.	10 feet.
e.	12 feet.
f.	Custom height as indicated on the Drawings.
2.	Components:
a.	Fence posts.
b.	Post caps: 
1)	Pyramid.
2)	Flat.
3)	Crown.
c.	Top rail 
d.	Aluminum bottom rail inserts.
e.	Bottom rail covers/Pickets, 67 inch.
f.	Bottom rail covers/Pickets, 91 inch.
g.	Fence brackets.
3.	Surface texture: Smooth.
4.	Color: 
a.	Saddle.
b.	Winchester Grey.
c.	Woodland Brown.
2.4	ACCESSORIES
A.	Fasteners: 1-5/8 inch galvanized or corrosion-resistant coated steel. Provide finish nails where applicable.
B.	Concrete: Provide as Specified in Section 03300; minimum 2500 PSI compressive strength at 28 days, with a 3 to 5 inch slump.
C.	Concrete: Provide concrete conforming to ASTM C 94; minimum 2500 PSI compressive strength at 28 days, with a 3 to 5 inch slump.
D.	Gate Hardware:
1.	Provide two Trex hinges per gate leaf minimum, and size to gate weight and conditions.
2.	Provide center gate stop and drop rod for double gates.
3.	Provide with latching mechanism.
4.	Provide with padlock provisions.
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 instructions.
B.	Cut and drill wood composite using carbide tipped blades.
C.	Space posts maximum 8 feet on center.
D.	Drill post holes into undisturbed or compacted soil; excavate deeper in soft or loose soils and for posts with heavy lateral loads.
E.	Drill posts to 12 inch diameter. Locate bottom of post 30 inches below grade or below frost line whichever is greater. 
F.	Place top of concrete 2 inches below finished grade.
G.	Place top of concrete flush with finished grade.
H.	Place top of concrete 2 inches above finished grade.
I.	Screw fence brackets to posts with four 1-5/8 inch long exterior screws.
J.	Cut top rails, pickets, bottom rail covers and aluminum bottom rails to lengths required. 
K.	Slide bottom rail covers over aluminum bottom rail pieces.
L.	Position aluminum bottom rail on fence brackets with deeper side of rail channel facing downward.
M.	Cut end pickets to height to provide clearance under brackets and screw to posts.
N.	Insert pickets into bottom rail, interlocking adjacent pieces.
O.	Position top rail and screw attach to top brackets with 1-5/8 inch long exterior screws.
P.	Use finish nails to secure pickets to rails if the pickets are not tightly interlocked.
Q.	Place post caps over post tops and secure with construction adhesive or four finish nails.
3.4	CLEANING
A.	Clean wood composite to remove stains:
1.	Mold, mildew, and berry and leaf stains: Clean surfaces with conventional deck wash containing detergent or sodium hypochlorite.
2.	Rust and ground-in dirt: Clean surfaces with cleaner containing oxalic or phosphoric acid.
3.	Oil and grease: Clean surfaces with detergent containing degreasing agent.
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