SECTION 08631

TUBULAR PLASTIC WINDOWS

PART 1 GENERAL

SECTION INCLUDES

Shop fabricated tubular extruded plastic windows with [fixed] [and] [operating] sash.

[Shop glazed] [Site glazed].

Operating hardware and insect screens.

[Perimeter sealant.]

RELATED SECTIONS

Section [______-____________]: Preparation of adjacent work to receive work of this section.

Section 05500 - Metal Fabrications: Steel lintels.

[Section 06112 - Framing and Sheathing: Framed openings.]

Section 06114 - Wood Blocking and Curbing: Wood perimeter shims.

Section 07190 - Vapor and Air Barriers: Perimeter vapor and air seal between window frame and adjacent construction.

[Section 07900 - Joint Sealers: Perimeter sealant and back-up materials.]

Section 08311 - Sliding Glass Doors.

Section 08800 - Glazing.

REFERENCES

ASTM E283 - Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.

ASTM E330 - Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

ASTM E331 - Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

ASTM D4099 - Poly(Vinyl Chloride) (PVC) Prime Windows.

FS L-S-125 - Screening, Insect, Nonmetallic.

FS RR-W-365 - Wire Fabric (Insect Screening).

SYSTEM DESCRIPTION

Windows:	Extruded tubular plastic sections, shop fabricated, vision glass, related flashings, anchorage and attachment devices.

Configuration: [Fixed, non-operable] [and] [outward projecting bottom] [inward projecting top] [outward opening, side hinged] [outward opening, top hinged] [inward opening, bottom hinged] [horizontal sliding] [vertical pivoting] [horizontal pivoting] [double hung] [horizontal sliding] [________] sash.

PERFORMANCE REQUIREMENTS

Conform to performance requirements of ASTM D4099 Grade [15] [20] [30] [40] [50] [60].

****** [OR] ******

Design and size components to withstand dead and live loads caused by pressure and suction of wind acting normal to plane of window [as calculated in accordance with [____] code] [to a design pressure of [____] lb/sq ft ([____] KPa) and a suction of [____] lb/sq ft ([____] KPa)] [and] [as measured in accordance with ANSI/ASTM E330].

Limit member deflection to [flexure limit of glass] [1/200] [________]; with full recovery of glazing materials.

System to accommodate, without damage to components or deterioration of seals, movement between window and perimeter framing, deflection of lintel.

Limit air infiltration through assembly to [0.06] [____] cfm/min/sq ft ([0.0003] [____] cu m/s/sq m) of wall area, measured at a reference differential pressure across assembly of [1.57] [____] psf ([75] [____] Pa) as measured in accordance with [ASTM E283] [________].

Vapor Seal with Interior Atmospheric Pressure of 1 inch (25 mm) sp, 72 degrees F (22 degrees C), 40 Percent RH: No failure.

****** [OR] ******

Water Leakage: None, when measured in accordance with [ASTM E331] [________] with a test pressure difference of [2.86] [____] lbf/sq ft ([136.85] [____] N/sq m).

Maintain continuous air and vapor barrier throughout assembly, primarily in line with [inside] pane of glass [and inner sheet of infill panel] and heel bead of glazing compound.

Drain water entering joints, condensation occurring in glazing channel, or migrating moisture occurring within system, to the exterior by a weep drainage network.

Thermal Movement: Design sections to permit thermal expansion and contraction of plastic as compared to glass, infill, or perimeter opening construction.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings: Indicate opening dimensions, framed opening tolerances, affected related work; installation requirements; and [________].

Product Data: Provide component dimensions, anchorage and fasteners, glass, internal drainage details and [________].

Submit [two] [_______] samples [____x____] inches ([____x____] mm) in size illustrating window frame section [mullion section] [screen and frame], finished surfaces, [glass [units],] [infill panels] [glazing materials].

Submit [two] [____] samples of operating hardware.

Manufacturer's Certificate: Certify that [Products] [________] meet or exceed [specified requirements] [___________________].

QUALIFICATIONS

Manufacturer [and Installer]: Company specializing in manufacturing [residential] [commercial] tubular plastic windows with minimum [three] [_______] years [documented] experience.

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect and handle products to site under provisions of Section [01600.] [________.]

Protect finished surfaces with [wrapping] [stripable coating]. Do not use adhesive papers or sprayed coatings which bond when exposed to sunlight or weather.

ENVIRONMENTAL REQUIREMENTS

Do not install sealants when ambient temperature is less than [40] [____] degrees F ([5] [____] degrees C).

Maintain this minimum temperature during and after installation of sealants.

FIELD MEASUREMENTS

Verify that field measurements are as indicated on [shop drawings] [Drawings].

***** [OR] *****

Verify that field measurements are as instructed by the manufacturer.

WARRANTY

Provide [five] [____] year warranty under provisions of Section [01700] [________].

Warranty: Include coverage for degradation of color finish.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

Other acceptable manufacturers offering equivalent Products.

[______________________________] Product [_________].

[______________________________] Product [_________].

[______________________________] Product [_________].

Substitutions: Under provisions of Section [01600] [________].

MATERIALS

Plastic:	[ASTM D4099, Grade [15] [20] [30] [40] [50] [60];] hollow tubular sections of extruded polyvinyl chloride (PVC) [, with [integral] [surface applied] ultra-violet resistant color coating].

Fasteners:	[Stainless] [Galvanized] steel.

COMPONENTS

Frames: [____] inch ([____] mm) wide x [____] inch ([____] mm) deep profile; [flush] [applied] glass stops of screw fastened type.

Mullion:	[____] inch ([____] mm) wide x [____] inch ([____] mm) deep profile.

Sills: [____] inch ([____] mm) nominal thickness, [[extruded] [brake formed] aluminum] [tubular plastic] [wood of [________] species]; sloped for positive wash; fit under sash to [1/2] [____] inch ([12] [____] mm) beyond wall face; one piece full width of opening.

Stools: [____] inch ([____] mm) nominal thickness, [metal clad wood] [plastic clad wood] [tubular plastic]; fit under sash to project [1/2] [____] inch ([12] [____] mm) beyond interior wall face; one piece full width of opening.

Infill Panel: Internally reinforced, glazing edge [sealed] [unsealed] permitting internal air movement to glazing space, outside air barrier line:

Panel Sheet:	[____] inch ([____] mm) thick [aluminum] [________].

****** [OR] ******

Outer Face: [____] inch ([____] mm) thick [aluminum] [________].

Core: [Glass fiber] [Rigid polystyrene] [Rigid polyurethane] [________] insulation core with R value of [____] (RSI of [____])

Inner Face: [____] inch ([____] mm) thick [aluminum] [________].

Insect Screens: [FS RR-W-365, woven [copper] [aluminum] [________] mesh] [FS L-S-125, woven plastic mesh]; [14/18] [____] mesh size.

Operable Sash Weather Stripping:	[Wool pile] [Nylon pile] [Resilient PVC] [________]; permanently resilient, profiled to effect weather seal.

Fasteners:	[Stainless] [Galvanized] steel.

GLASS AND GLAZING MATERIALS

Glass and Glazing Materials:	As specified in Section 08800 of Types described below:

Glass in Exterior Lights: Type [________].

[Glass Infill Panels: Type [________].]

SEALANT MATERIALS

Sealant and Backing Materials: As specified in Section 07900 of Types described below.

Perimeter Sealant:	Type [________].

Sealant Used Within System (Not Used for Glazing): Type [________].

HARDWARE

Horizontal Sliding Sash:	[Extruded PVC interfacing tracks] [Nylon rollers in steel bracket, screw adjustable], limit stops in head and sill track.

****** [OR] ******

Double Hung Sash: Metal and nylon spiral friction slide

cylinder, each sash, each jamb.

****** [OR] ******

Sash lock: [Lever handle with cam lock] [______________]. [Provide [____] feet ([____] mm) long pole handle.]

****** [OR] ******

Operator: [Lever action handle] [Geared rotary handle] fitted to projecting sash arms with limit stops.

Projecting Sash Arms: [Cadmium] [Zinc] plated steel, friction pivot joints with nylon bearings, removable pivot clips for cleaning.

Pulls:	[________].

Sash lock: [Lever handle with cam lock] [________].

FABRICATION

Fabricate framing, mullions and sash members with fusion welded corners and joints, in a rigid jig. Supplement frame sections with internal reinforcement where required for structural rigidity.

Form sills [and stools] in one piece. Slope sills for wash.

Form snap in glass stops, closure molds, weather stops, and flashings of extruded PVC for tight fit into window frame section.

[Form weather stop flange to perimeter of unit.]

Fabricate components with minimum clearances and shim spacing around perimeter of assembly, yet enabling installation and dynamic movement of perimeter seal.

Arrange fasteners to conceal from view.

Permit internal drainage weep holes and channels to migrate moisture to exterior. Provide internal drainage of glazing spaces to exterior through weep holes.

Assemble insect screens of rolled [aluminum] [steel] rectangular [tubular] sections. Miter and reinforced frame corners. Fit mesh taught in frame into frame and secured. Fit frame with [[four] [______] spring loaded steel pin] [________] retainers.

[Double] weatherstrip operable units.

[Shop glaze window units.]

FINISHES

Exterior Surfaces:	[White] [________] color [as selected].

Interior Surfaces:	[White] [________] color [as selected].

Screens: [Black] [________] color [as selected].

Operators:	[________] baked enamel.

PART 3 EXECUTION

EXAMINATION

Verify site opening conditions under provisions of Section [01039.] [________.]

Verify wall openings and adjoining air and vapor seal materials are ready to receive work of this Section.

INSTALLATION

Install window frames, [glass and glazing] [and hardware] in accordance with manufacturers instructions.

Attach window frame and shims to perimeter opening to accommodate construction tolerances and other irregularities.

Align window plumb and level, free of warp or twist. Maintain dimensional tolerances, [aligning with adjacent work].

Install sill [and stool].

Provide thermal isolation where components penetrate or disrupt building insulation. Pack fibrous insulation in shim spaces at perimeter of assembly to maintain continuity of thermal barrier.

Coordinate attachment and seal of perimeter air and vapor barrier materials.

Install operating hardware.

Install glass [and infill panels] in accordance with Section 08800, to [glazing method required to achieve performance criteria] [exterior [wet] [________] method of glazing].

Install perimeter sealant [to method required to achieve performance criteria] [Type [____], backing materials, and installation criteria in accordance with Section 07900].

TOLERANCES

Maximum Variation from Level or Plumb: [0.06] [____] inches every 3 ft ([1.5] [____] mm/m) non-cumulative or [0.5] [____] inches per 100 ft ([12] [____] mm/30 m),

whichever is less.

ADJUSTING

Adjust work under provisions of Section [01700.] [________.]

Adjust operating hardware for smooth operation.

CLEANING

Clean work under provisions of [01700.] [________.]

Remove protective material from pre-finished surfaces.

Wash down surfaces with a solution of mild detergent in warm water, applied with soft, clean wiping cloths. Take care to remove dirt from corners. Wipe surfaces clean.

Remove excess sealant by moderate use of mineral spirits or other solvent acceptable to sealant manufacturer.

SCHEDULES

West Elevation (Opening No. W2):	White finish; 36 x 60 inch nominal size including arch; bronze tint glass.

Other Elevations (Opening No. W3, W4 and W5): Brown finish; 42 x 42 inch nominal size; clear glass.

END OF SECTION