SECTION 08960

SLOPED GLAZING

PART 1 GENERAL

SECTION INCLUDES

Sloped [self supporting] [supported] aluminum tube framing system.

Vision [glass] [plastic] and [glass] [plastic] [insulated metal] infill panels.

Integral air and vapor barrier [and fire stop].

[Perimeter sealant.]

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____-__________]: Placement of structural supporting anchors.

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section [_____-__________]: Supply of [structural supporting anchors] [________________] for placement by this Section.

RELATED SECTIONS

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

Section 05120 - Structural Steel: Steel fabricated [attachment members] [framed openings].

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

Section 05500 - Metal Fabrications: Metal fabricated [attachment devices] [framed openings].

Section 07190 - Vapor and Air Barriers: Perimeter vapor and air seal between sloped glazing system and adjacent construction.

Section 07270 - Firestopping: Fire [and air/vapor] stop.

Section 07820 - Metal Framed Skylights.

Section 07900 - Sealants: System perimeter sealant and back-up materials.

Section 08800 - Glazing.

Section [______-____________]: Sloped glazing system

testing.

Section 08920 - Glazed Aluminum Curtain Wall: Framed, vertical glass system.

Section 08952 - Translucent Panel System.

Section 08971 - Suspended Glass.

Section 08975 - Structural Sealant Glazing System.

Section 09900 - Painting: Field painting of interior surface of infill panel [and [________]] surfaces.

Section 12531 - Drapery Track: Drapery or curtain track supports and attachments to sloped glazing framing members.

Section [______-____________]: Window washing equipment requirements.

REFERENCES

AAMA - Metal Curtain Wall, Window, Store Front and Entrance - Guide Specifications Manual.

AAMA - Aluminum Curtain Wall Design Guide Manual.

AAMA - Curtain Wall Manual #10 - Care and Handling of Architectural Aluminum From Shop to Site.

AAMA Series No. 11 - Design Windloads for Buildings and Boundary Layer Wind Tunnel Testing.

AAMA 501 - Methods of Test for Metal Curtain Walls.

AAMA 603.8 - Performance Requirements and Test Procedures for Pigmented Organic Coatings on Extruded Aluminum.

AAMA 605.2 - Specification for High Performance Organic Coatings on Architectural Extrusions and Panels.

AAMA 606.1 - Specifications and Inspection Methods for Integral Color Anodic Finishes for Architectural Aluminum.

AAMA 607.1 - Specifications and Inspection Methods for Clear Anodic Finishes for Architectural Aluminum.

AAMA 608.1 - Specification and Inspection Methods for Electrolytically Deposited Color Anodic Finishes for Architectural Aluminum.

AAMA T1R - A1 - Sound Control for Aluminum Curtain Walls and Windows.

AAMA FC-1 - Field Check of Metal Curtain Walls for Water Leakage.

ANSI/ASTM A36 - Structural Steel.

ANSI/ASTM A386 - Zinc Coating (Hot Dip) on Assembled Steel Products.

ANSI/ASTM A446 - Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process, Structural (Physical) Quality.

ANSI/ASTM B209 - Aluminum and Aluminum-Alloy Sheet and Plate.

ANSI/ASTM B221 - Aluminum-Alloy Extruded Bar, Rod, Wire, Shape, and Tube.

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

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

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

ASTM E413 - Classification for Determination of Sound Transmission Class.

SSPC - Steel Structures Painting Council.

SYSTEM DESCRIPTION

Sloped glazing system includes tubular aluminum sections with [self supporting] [supplementary support] framing, shop fabricated, factory prefinished, vision [glass] [plastic], [glass] [plastic] [insulated metal panel] spandrel infill; related flashings, anchorage and attachment devices.

PERFORMANCE REQUIREMENTS

Design and size components to withstand dead and live loads caused by snow, hail, pressure and suction of wind acting on glazing [as calculated in accordance with [________] code] [to a design pressure of [____] lb/sq ft ([____] KPa)] [as measured in accordance with [AAMA Series No. 11] [ANSI/ASTM E330]].

[Design and size components to withstand seismic loads and sway displacement as calculated in accordance with [________] code.]

Limit mullion deflection to [flexure limit of glass] [[3/4] [____] inch ([19] [____] mm)] [1/200] [________];

with full recovery of glazing materials.

System to accommodate, without damage to system, components or deterioration of seals; movement within system; movement between system and perimeter framing components; dynamic loading and release of loads; deflection of structural support framing [, shortening of building concrete structural columns] [, creep of concrete structural members] [and a mid-span slab edge deflection of [____] inch ([____] mm)].

Thermal Resistance of Sloped Glazing System (Excluding Vision Areas): R of [____] (RSI of [____]).

Thermal Resistance of Vision [Glass] [Plastic] Areas: R of [____] (RSI of [____]).

Sound Attenuation Through Wall System (Exterior to Interior): STC [50] [____], measured in accordance with [AAMA T1R - A1] [ASTM E413].

Limit air infiltration through assembly to [0.06] [____] cfm/min/sq ft ([0.0003] [____] cu m/s/sq m) of sloped glazed area, measured at a reference differential pressure across assembly of [1.57] [____] psf ([75] [____] Pa) as measured in accordance with [AAMA 501] [ANSI/ASTM E283].

Vapor Seal with Interior Atmospheric Pressure of One inch (25 mm) SP, 72 degrees F (22 degrees C), 40 Percent RH:

No failure.

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

Water Leakage: None, when measured in accordance with [AAMA 501] [ASTM E331].

System to provide for expansion and contraction within system components caused by a cycling temperature range of [170] [____] degrees F ([95] [____] degrees C) over a [12] [____] hour period without causing detrimental affect to system components.

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

Maintain continuous air and vapor barrier throughout assembly, primarily in line with [inside] pane of [glass] [plastic] and heel bead of glazing compound. [Position thermal insulation on exterior surface of air and vapor barrier.]

[Reinforce sloped glazing system to accommodate window washing guide rails. [Provide anchors sufficiently rigid to resist loads caused by equipment platform, without damage to glazing system]].

Not Permitted: Vibration harmonics, wind whistles, noises caused by thermal movement, thermal movement transmitted to other building elements, loosening, weakening, or fracturing of attachments or components of system.

SUBMITTALS

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

Shop Drawings: Indicate system dimensions, framed opening requirements and tolerances, anticipated deflection under load, affected related Work, weep drainage network, expansion and contraction joint location and details, and field welding required.

Product Data: Provide component dimensions, describe components within assembly, anchorage and fasteners, [glass] [plastic] and infill, internal drainage details and [water flow diagrams] [________________].

Product Data: Provide framing member structural and physical characteristics, dimensional limitations, special installation requirements.

Submit [two] [_______] samples [____x____] inches ([____x____] mm) in size illustrating prefinished aluminum surface, specified [glass] [plastic] [glass units], [insulated] infill panels, glazing materials illustrating edge and corner.

[Test Reports: Submit substantiating engineering data, test results of previous tests [by independent laboratory] which purport to meet performance criteria, and other supportive data.]

Manufacturer's Installation Instructions: Indicate special installation procedures and [________________].

QUALITY ASSURANCE

Perform Work in accordance with [AAMA - Metal Curtain Wall, Window, Store Front and Entrance - Guide Specifications Manual] [AAMA - Aluminum Curtain Wall Design Guide Manual].

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer [and Installer]: Company specializing in manufacturing [self supporting] sloped glazing systems with minimum [three] [_______] years [documented] experience.

[Installer for Total System:	Company authorized by system manufacturer.]

Design structural support framing components under direct supervision of a Professional Engineer experienced in design of self supporting sloped glazing systems and licensed [at the place where the Project is located] [in the State of [____________]].

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for [acoustic attenuation] [minimum sound transmission] [______________] requirements.

Provide certificate of compliance from [authority having jurisdiction] [________________] indicating approval.

MOCKUP

Provide mockup of system components under provisions of Section [01400] [________].

Provide [__ x __] feet ([__ x __] mm) mockup including intermediate mullion [, edge mullion] [, intermediate muntin] vision [glass] [plastic] light, and [insulated] infill panel of [[glass] [plastic]]. Assemble to illustrate component assembly including glazing materials, weep drainage system, attachments, anchors, and perimeter sealant.

Mockup may [not] remain as part of the Work.

PRE-INSTALLATION CONFERENCE

Convene [one] [_____] week prior to commencing work of this Section, under provisions of Section [01039] [________].

DELIVERY, STORAGE, AND HANDLING

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

Handle work of this Section in accordance with AAMA -Curtain Wall Manual #10.

Protect prefinished aluminum surfaces with [wrapping] [strippable 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.

COORDINATION

Coordinate Work under provisions of Section [01039] [________].

Coordinate the Work with installation of [firestopping] [, air and vapor barrier] [and] [________________] components or materials.

WARRANTY

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

Warranty: Include coverage for complete system for failure to meet specified requirements.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

Other acceptable manufacturers offering equivalent products:

[______________________________] Product [_________].

[______________________________] Product [_________].

[______________________________] Product [_________].

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

MATERIALS

Extruded Aluminum: [ANSI/ASTM B221] [________]; [6063] [________] alloy, [T5] [____] temper.

Sheet Aluminum: [ANSI/ASTM B209] [________]; [________] alloy, [________] temper.

Sheet Steel:	[ANSI/ASTM A446] [________]; galvanized in accordance with [________].

Steel Sections: [ANSI/ASTM A36] [________]; shaped to suit mullion sections.

Fasteners:	[Stainless] [Galvanized] steel.

Shop and Touch-Up Primer for Steel Components: [SSPC 15, Type 1, red oxide] [________].

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

Touch-Up Primer for Galvanized Steel Surfaces: Zinc rich type.

COMPONENTS

Mullion Profile:	[__ x __] inch ([__ x __] mm) nominal dimension for vertical (sloped) members; [__ x __] inch ([__ x __] mm) nominal dimension for horizontal members; [thermally broken with interior tubular section insulated from sloped exterior specially designed pressure plate cap]; matching stops and pressure plate cap;] matching stops and pressure plate of sufficient size and strength to provide bite on [glass] [plastic] [and infill panels]; drainage holes; deflector plates and internal flashings to accommodate internal weep drainage system; internal mullion baffles to eliminate "stack effect" air movement within internal spaces.

Self Supporting Reinforced Mullion: [__ x __] inch ([__ x __] mm) profile of [extruded] [sheet] aluminum cladding with internal reinforcement of shaped steel structural section.

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

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] [________________].

Beam Covers:	[____] inch ([____] mm) thick [aluminum] [________], full contact pressure bonded to [________] ensuring flat surface, [________] finish [as selected] [to match mullion sections].

Flashings: [____] inch ([____] mm) thick [aluminum] [stainless steel] [galvanized steel] [________], [________] finish [as selected] [to match mullion sections where exposed], secured with [concealed] [________] fastening method.

Operable Sash: [Specified in Section [08520] [________]] [________________].

Firestopping: [Specified in Section [07270] [________]] [________________].

Air and Vapor Barrier: [Specified in Section [07190] [________]] [________________].

GLAZING MATERIALS

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

[Glass] [Plastic] in Exterior Lights: Type	[_____ ___].

[Glass] [Plastic] in [Entrance] [________] Lights: Type [________].

[Glass] [Plastic] 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 [________].

FABRICATION

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

Accurately fit and secure joints and corners. Make joints flush, hairline [, and weatherproof].

Prepare components to receive anchor devices. Fabricate anchors.

Arrange fasteners and attachments to ensure concealment from view.

[Reinforce interior head member to receive [solar shading device] [blind] [________] track brackets and attachments.]

[Reinforce framing members for external imposed loads.]

FINISHES

Finish coatings to conform to [AAMA 603.8] [AAMA 605.2] [AAMA 606.1] [AAMA 607.1] [AAMA 608.1].

Exterior Exposed Aluminum Surfaces: AAMA [A41] [A42] [A43] [A44] anodized to [215-R1] [____] thickness, prepared with a [mechanical M[____]] [chemical C[____]] pre-treatment, anodized to [clear] [________] color.

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

Exterior Exposed Aluminum Surfaces: [[Exterior] [Hardcoat] [Two step] anodized to [clear] [________] color, to [0.0007] [____] inch ([0.018] [____] mm) thickness] [Organic coating to [________] color [as selected]].

Exterior Exposed Infill Panel Surfaces: AAMA [A41] [A42] [A43] [A44] anodized to [215-R1] [____] thickness, prepared with a [mechanical M[____]] [chemical C[____]] pre-treatment, anodized to [clear] [________] color.

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

Exterior Exposed Infill Panel Surfaces: [[Exterior] [Hardcoat] [Two step] anodized to [clear] [________] color, to [0.0007] [____] inch ([0.018] [____] mm) thickness] [Organic coating to [________] color [as selected]].

Exterior Exposed Aluminum Beam Covers: AAMA [A41] [A42] [A43] [A44] anodized to [215-R1] [____] thickness, prepared with a [mechanical M[____]] [chemical C[____]] pre-treatment, anodized to [________] color.

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

Exterior Exposed Aluminum Beam Covers: [[Exterior] [Hardcoat] [Two step] anodized to [clear] [________] color, to [0.0007] [____] inch ([0.018] [____] mm) thickness] [Organic coating to [________] color [as selected]].

Interior Exposed Aluminum Surfaces: AAMA [A41] [A42] [A43] [A44] anodized to [215-R1] [____] thickness, prepared with a [mechanical M[____]] [chemical C[____]] pre-treatment, anodized to [clear] [________] color.

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

Interior Exposed Aluminum Surfaces: [[Interior] [Hardcoat] [Two step] anodized to [clear] [________] color, to [0.0007] [____] inch ([0.018] [____] mm) thickness] [Organic coating to [________] color [as selected]].

Interior Surface of Infill Panel Surfaces: [Field painted in accordance with Section 09900] [Anodized to [clear] [________] color] [Enamelled to [________] color [as selected]].

Interior Exposed Beam Covers: AAMA [A41] [A42] [A43] [A44] anodized to [215-R1] [____] thickness, prepared with a [mechanical M[____]] [chemical C[____]] pre-treatment, anodized to [clear] [________] color.

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

Interior Exposed Aluminum Beam Covers: [[Exterior] [Hardcoat] [Two step] anodized to [clear] [________] color, to [0.0007] [____] inch ([0.018] [____] mm) thickness] [Organic coating to [________] color [as selected]].

Concealed Steel Items: [Galvanized in accordance with ANSI/ASTM A386 to [2.0] [____] oz/sq ft ([610 [____] gm/sq m)] [Primed with iron oxide paint].

Apply [one coat] [[____] coats] of bituminous paint to concealed aluminum [and steel] surfaces in contact with cementitious or dissimilar materials.

PART 3 EXECUTION

EXAMINATION

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

Verify dimensions, tolerances, and method of attachment with other work.

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

INSTALLATION

Install sloped glazing system in accordance with [manufacturer's instructions] [AAMA - Metal Curtain Wall, Window, Store Front and Entrance - Guide Specifications Manual] [AAMA -Aluminum Curtain Wall Design Guide Manual].

Attach to structure to permit sufficient adjustment to accommodate construction tolerances and other irregularities.

Provide alignment attachments and shims to permanently fasten system to building structure.

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

Provide thermal isolation where components penetrate or disrupt building insulation.

Install [eave edge] [________] flashings.

[Coordinate installation of] [Install] fire [and air] stop insulation at system perimeter.

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

Pack fibrous insulation in shim spaces at perimeter of assembly to maintain continuity of thermal barrier.

Install [operating sash] [________________].

Install [glass] [plastic] [and infill panels] in accordance with Section 08800, to [glazing method required to achieve performance criteria] [exterior [wet/dry] [________] method of glazing]. [Place sealant on the upslope side of the pressure plate cover caps; finish the surface with a slope to encourage drainage over the cap.]

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 True Alignment: [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.

Maximum Misalignment of Two Adjoining Members Abutting in Plane: [1/32] [____] inch ([0.8] [____] mm).

FIELD QUALITY CONTROL

Field inspection will be performed under provisions of Section [01400] [________].

Inspection will monitor quality of installation and glazing.

[Test to AAMA FC-1.]

MANUFACTURER'S FIELD SERVICES

[Sloped glazing] [[Glass] [Plastic]] product manufacturers to provide field surveillance of the installation of their products under provisions of Section [01400] [________].

Monitor and report installation procedures, unacceptable conditions and [________________].

ADJUSTING

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

Adjust operating sash for smooth operation.

CLEANING

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

Remove protective material from prefinished aluminum 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.

PROTECTION OF FINISHED WORK

Protect finished Work under provisions of Section [01500] [________].

Protect finished Work from damage.

END OF SECTION