Pittco Architectural Metals, Inc. 084426

Pittco TMW 453 EFG Structural Sealant Glazed Curtain Wall

October 1, 2014 Page 1

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Glazed aluminum framed 2 1/2” x 6 3/4” curtainwall assembly.

B. Monolithic glass or Double pane insulating sealed unit vision glass.

C. Furnish [Pittco Standard Door Hardware] [Custom Door Hardware indicated in Part 2] [Door Hardware referenced in Section 087100].

D. Perimeter sealant referenced in section 079000.

1.2 RELATED SECTIONS

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

B. Section 055000 – Metal Fabrications: Steel fabricated [attachment devices] [framed openings].

C. Section 072500 – Weather barriers

D. Section 072600 – Vapor Retarders: Vapor seal at adjacent construction.

E. Section 072700 – Air Barriers: Air seal at adjacent construction.

F. Section 079200 – Joint Sealers: Assembly perimeter sealant and back-up materials.

G. Section 084113 – Standard Aluminum Entrances: Door and frame assembly to fit within this glazed assembly.

H. Section 084113 – Monumental Aluminum Entrances: Door and frame assembly to fit within this glazed assembly.

I. Section 085100 – Aluminum Windows: Operable sash within framing members of this section.

J. Section 087100 – Door Hardware: Mortised hardware reinforcement requirements affecting framing members.

K. Section 087113 – Automatic Door Equipment.

L. Section 088000 – Glass and Glazing.

M. Section 107113 – Sun Control Devices

N. Section [______]: Wall fin convectors and support saddles attached to the framing members.

1.3 REFERENCES

A. AA (Aluminum Association), Designation System for Aluminum Finishes.

B. AAMA MCWM-1-89, Metal Curtain Wall Manual.

C. AAMA CWG-1-89, Installation of Aluminum Curtain Walls.

D. AAMA 501.1-05, Standard Test Method for Water Penetration of Windows, Curtain Walls and doors using Dynamic Pressure.

E. AAMA 501.2-09, Quality Assurance and Diagnostic Water Leakage Field Check of Installed Storefronts, Curtain Walls, and Sloped Glazing Systems.

F. AAMA 503-08, Voluntary Specification for Field Testing of Newly Installed Metal Storefronts, Curtain Walls, and Sloped Glazing Systems.

G. AAMA 609/610-09, Cleaning and Maintenance Guide for Architecturally Finished Aluminum.

H. AAMA 611-12, Voluntary Specifications for Anodized Architectural Aluminum.

I. AAMA 1503-09, Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors, and Glazed Wall Sections.

J. AAMA 2604-10, Voluntary Specification, Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum Extrusions and Panels.

K. AAMA 2605-11, Voluntary Specification, Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Aluminum Extrusions and Panels.

L. ASTM A 123/A 123M, Zinc (Hot Dip Galvanized) Coatings on Iron and Steel Products.

M. ASTM A 653/A 653M, Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvanized) by the Hot-Dip Process.

N. ASTM B 209/B 209M, Aluminum and Aluminum-Alloy Sheet and Plate.

O. ASTM B 221/B 221M, Aluminum and Aluminum-Alloy Extruded Bar, Rod, Wire, Shape and Tube.

P. ASTM E 283, Rate of Air Leakage Through Exterior Windows, Skylights, Curtain Walls, and Doors.

Q. ASTM E 330, Test Method for Structural Performance of Exterior Windows, Skylights, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

R. ASTM E 331, Test Method for Water Penetration of Exterior Windows, Skylights, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

1.4 SYSTEM DESCRIPTION

A. Aluminum curtain wall assembly includes split aluminum sections, tubular aluminum sections with supplementary internal framing; shop fabricated, vision glass, related flashings, anchorage, and attachment devices.

B. Frame Assembly: [Site assembled frames.] [Shop assembled frames.]

C. Glazing Type: [Vertical butt glazing.] [Horizontal butt glazing.] [Fully butt glazing.]

D. Drainage Type: Pittco standard top to bottom drainage.

1.5 PERFORMANCE REQUIREMENTS

A. Assembly Design: Design and size components to withstand dead and live loads caused by positive and negative wind pressure acting normal to the plane of the wall as calculated in accordance with the applicable code.

B. Assembly: Accommodate without damage to components or deterioration of seals, movement between system and supporting structure including live load deflection, story drift and twist, long term creep, and column shortening.

C. Structural Performance – Deflection: Limit mullion deflection to [flexural limit of glass,] [L/175] [_____] [L/175 for spans less than 13’-6” and L/240 + 1/4” for spans greater than 13’-6”] as measured in accordance with ASTM E 330 at [_____] psf ([_____] Pa); with full recovery of members.

D. Air Infiltration: Limit air leakage through the assembly to [0.06] [_____] cfm/ft2 ([1.5] [_____] L/m2•s) of wall area, measured at a reference differential pressure across the assembly of [6.24] [_____] psf ( [300] [_____] Pa) as measured in accordance with ASTM E 283.

E. Static Water Leakage: None, as measured in accordance with ASTM E 331 with a test pressure difference of [15] [_____] psf ([720] [_____] Pa).

F. Dynamic Water Leakage: None, as measured in accordance with AAMA 501.1 with a test pressure difference of [15], [_____] psf ([720] [_____] Pa).

G. Condensation Resistance Factor (CRF):

1. Vertical butt glaze CRF [59 with clear, 1” IGU], [67 with low E, 1” IGU], [70 with low E and argon, 1” IGU] when measured in accordance with AAMA 1503.

2. Horizontal butt glaze CRF [59 with clear, 1” IGU], [64 with low E, 1” IGU], [66 with low E and argon, 1” IGU] when measured in accordance with AAMA 1503.

3. Fully butt glazed CRF [60 with clear, 1” IGU], [69 with low E, 1” IGU], [76 with low E and argon, 1” IGU] when measured in accordance with AAMA 1503.

H. Thermal Transmittance (U Factor):

1. Vertical butt glaze U value: [0.55 with clear, 1” IGU], [0.39 with low E, 1” IGU],[0.32 with low E and argon, 1” IGU] BTU/hr• ft2•degree F when measured in accordance with AAMA 1503.

2. Horizontal butt glaze U value: [0.58 with clear, 1” IGU], [0.43 with low E, 1” IGU],[0.37 with low E and argon, 1” IGU] BTU/hr• ft2•degree F when measured in accordance with AAMA 1503.

3. Fully butt glaze U value: [0.52 with clear, 1” IGU], [0.36 with low E, 1” IGU],[0.28 with low E and argon, 1” IGU] BTU/hr• ft2•degree F when measured in accordance with AAMA 1503.

I. Air and Vapor Seal: Maintain continuous air barrier and vapor seal throughout assembly, primarily in line with lite of glass.

J. Expansion/Contraction: Provide for expansion and contraction within assembly components caused by ambient cycling temperature range of [180] [_____] degrees F ([82] [_____] degrees C) over a twelve (12) hour period based on a metal installation temperature of 85 degrees F (29 degrees C), without causing detrimental effect to assembly components and anchorage.

K. System Internal Drainage: Drain water entering joints, condensation occurring in glazing channels, or migrating moisture occurring within system, to the exterior by a top to bottom weep drainage network.

L. Thermal Performance: Glazed aluminum curtain wall tested in accordance with NFRC and AAMA standards.

M. Seismic – When tested to AAMA 501.4 allow movement to 1 1/2”.

1.6 SUBMITTALS FOR REVIEW

A. Section [013000:] [______:] Submission Procedures.

B. Product Data: Provide component dimensions; describe components within assembly, anchorage and fasteners, glass, [door hardware,] internal drainage details and [______].

C. Design Data: Provide framing member structural and physical characteristics, [calculations,] dimensional limitations.

D. Shop Drawings: Indicate system dimensions, framed opening requirements and tolerances, affected related work and expansion and contraction joint location and details.

E. Submit [two] [_____] samples [1-3/4 x 4 inch] [_____ x _____] inch [45 x 100 mm] [_____ x _____] mm in size illustrating finished aluminum surface.

F. Submit [two] [_____] samples [12 x 12 inch] [_____ x _____] inch [305 x 305 mm] [_____ x _____] mm in size illustrating glass infill, glazing materials.

1.7 SUBMITTALS FOR INFORMATION

A. Section [013300:] [______:] Submission procedures.

B. Manufacturer’s Certificate: Certify that [Products] [_____] meet or exceed [specified requirements.] [______.]

1.8 SUBMITTALS FOR PROJECT CLOSEOUT

A. Section [017800:] [______:] Submission Procedures.

B. Submit manufacturer warranty and ensure forms have been completed in Owner’s name and registered with manufacturer.

1.9 QUALITY ASSURANCE

A. Design and fabricate according to AAMA MCWM-1.

B. Perform work according to AAMA CWG-1.

C. Manufacturer [and Installer]: Company specializing in manufacturing aluminum glazing systems with minimum [three] [_____] years [documented] experience.

D. Design structural support framing components under direct supervision of a Professional Structural Engineer experienced in design of this work and licensed at the place where the Project is located.

1.10 PRE-INSTALLATION MEETING

A. Section [013100:] [______:] Pre-installation meeting.

B. Convene [one] [_____] week before starting work on this section.

1.11 DELIVERY, STORAGE, AND PROTECTION

A. Section [016600:] [______:] Transport, handle, store, and protect products.

B. Handle products of this section in accordance with AAMA – Curtain Wall Manual #10.

C. Protect finished aluminum surfaces with [wrapping] [removable protective material]. Do not use adhesive papers or sprayed coatings which bond when exposed to sunlight or weather.

1.12 PROJECT CONDITIONS

A. Section [013100:] [______:] Coordination and meetings.

B. Coordinate the work with installation of [firestopping,] [air barrier,] [vapor retarder,] [and] [______] components or materials.

1.13 ENVIRONMENTAL REQUIREMENTS

A. Section [013500:] [______:] Environmental conditions affecting products on site.

B. Do not install sealants when ambient temperature is less than [40] [_____] degrees F ([5] [_____] degrees C) during and [48] [_____] hours after installation.

1.14 WARRANTY

A. Section [017800:] [______:] Warranties.

B. Correct defective work within a [one (1)] [five (5)] year period after substantial completion.

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

D. Provide [five (5)] [_____] year manufacturer warranty for glazed units.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Base Product: Pittco Architectural Metals, Inc., ______- ______. Phone 800-992-7488, Fax 847-593-9946, Internet web site at http://www.pittcometals.com.

B. Other acceptable manufacturers conforming to specified requirements:

1. [______].

2. [______].

C. Substitutions: Not permitted.

2.2 MATERIALS

A. Extruded Aluminum: [ASTM B 221,] [ASTM B 221M,] 6063 alloy of [T5] [T6] temper.

B. Sheet Aluminum: [ASTM B 209.] [ASTM B 209M.] [______.]

C. Sheet Steel: [ASTM A 653/ASTM A 653M] [______]; galvanized in accordance with [______].

D. Fasteners: [Stainless] [non-magnetic stainless in exposed areas, or other non-corrosive materials compatible with framing] steel.

2.3 COMPONENTS

A. Frame:

1. Exposed to view Nominal Width: 2 1/2 inch (64 mm).

2. Nominal Depth: 6 3/4 inch (171 mm).

3. Frame Assembly with thermal improved design.

4. Glazing Pocket Depth: 3/4 inch (19 mm).

5. Intermediate and Sill Horizontal Members.

6. Mounting and attachments from the intermediate mullion, head, or sill.

7. Flush, snap in type glazing stops.

8. Drainage: Concealed internal weep drainage from top to bottom.

B. Reinforced Mullion: Extruded aluminum section with internal reinforcement of steel channel-shaped section, tubular steel section, or extruded aluminum section.

C. Doors: Specified in Section [084113] [ ].

D. Door Hardware: Specified in Section [087100.] [______.]

E. Flashings: 0.040 inch (1 mm) thick [aluminum] [galvanized steel,] [______,] finish [as selected.] [to match mullion sections, where exposed.]

F. Operable Sash: Specified in Section [085100] [______], hopper or awning operation.

G. Vapor Retarder: [Specified in Section [072600] [______].] [Sheet EPDM.] [______.]

H. Air Barrier: [Specified in Section [072700] [______].] [Sheet steel, galvanized.] [______.]

2.4 GLASS AND GLAZING MATERIALS

A. Glass: Specified in Section 088000, of type described below:

1. Outer Lite: [Float] [Heat-Strengthened] [______], [Clear.] [______.]

2. Space: [Dry Air.] [Argon Gas.]

3. Inner Lite: [Float] [Heat-Strengthened] [______], [Clear.] [Low-E Coating on #3 Surface.] [______.]

4. Nominal Unit Thickness: [1_____] inch ( [25_____] mm).

5. U-Factor: [_____] BTU/hr•ft2•degree F

B. Glazing Materials: Dense EPDM at exterior and sponge EPDM at interior, to suit applications and achieve weather, moisture, and air infiltration requirements.

2.5 SEALANT MATERIALS

A. Sealant and Backing Materials:

1. Perimeter Sealant: [______] type as specified in Section [079200.] [______.]

2. Sealant Used Within System (Not Used With Glazing): [______] type specified in Section [079200.] [______.]

2.6 FABRICATION

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

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

C. Prepare components to receive anchor devices. Fabricate anchors.

D. Arrange fasteners and attachments to conceal from view.

E. Reinforce interior horizontal head rail to receive [drapery] [blind] track brackets and attachments.

F. Prepare components with internal reinforcement for door hardware [and door operator hinge hardware].

G. Reinforce framing members for imposed loads.

2.7 FINISHES

A. Exposed Aluminum Surfaces: AA M10 caustic etch C21 A31, anodized to Class II Clear Color.

[OR]

B. Exposed Aluminum Surfaces: AA M10 C21 [A41 or A44], anodized to Class I [______] color.

[OR]

C. Anodized Coating: [[Standard finish] [#62 Dark Bronze] [#63 Black]] [[Special order finish are available but may require longer lead times] [#60 Light Bronze] [#61 Medium Bronze][#59 Champagne]].

[OR]

D. Finish of Exposed Aluminum shall be compliant with the performance standards set forth in AAMA Specification 2604, High Performance Organic Coatings on Aluminum.

E. Type: Factory Applied, High Performance, 50% Polyvinylidene Fluoride (PVDF) Coating formulated by a licensed paint manufacturer, and applied by Paint Manufacturer’s Warranty-Approved Applicator.

F. Pretreatment: Applicator to pre-treat the aluminum with solutions to remove organic and inorganic surface soils, remove residual oxides, followed by a Chrome Phosphate or Chromate Coating to ensure adhesion to the aluminum.

G. Color: {Specifier to insert color code here, e.g., UC 40577 (Duranar Black)}.

[OR]

H. Finish of Exposed Aluminum shall be compliant with the performance standards set forth in AAMA Specification 2605, Superior Performing Organic Coatings on Aluminum.

I. Type: Factory Applied, High Performance, 70% Polyvinylidene Fluoride (PVDF) Coating formulated by a licensed paint manufacturer, and applied by Paint Manufacturer’s Warranty-Approved Applicator.

J. Pretreatment: Applicator to pre-treat the aluminum with solutions to remove organic and inorganic surface soils, remove residual oxides, followed by a Chrome Phosphate or Chromate Coating to ensure adhesion to the aluminum.

K. Color: {Specifier to insert color code here, e.g., UC 40577 (Duranar Black)}.

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