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4REYNOBOND PE COLORWELD 500OCTOBER, 2014 Guide Specs074213 FORMED METAL WALL PANELSEC 97909-055

2.

Aluminum alloy shall be 3000 series or equivalent.

C.

Tolerances

1.

Panel Bow: Shall not exceed 0.8% of panel overall dimension in width or length.

2.

Panel Dimensions: Field fabrication shall be allowed where necessary, but shall be kept to an absolute minimum. All fabrication shall be done under controlled shop conditions when possible. Panel dimensions shall be such that there will be an allowance for field adjustment and thermal movement.

3.

Panel Lines: Breaks and curves shall be sharp and true, and surfaces free of warps or buckles.

4.

Flatness: Panels shall be visually flat.

5.

Panel Surfaces: Shall be free of scratches or marks caused during fabrication.

D.

System Characteristics

1.

Plans, elevations, details, characteristics and other requirements indicated are based upon standards by one manufacturer. It is intended that other manufacturers, receiving prior approval, may be acceptable, provided their details and characteristics comply with size and profile requirements, and material/performance standards.

2.

Systems, excluding the face fastened solution, must not generally have any visible fasteners, telegraphing or fastening on the panel faces or any other compromise of a neat and flat appearance.

3.

Fabricate panel system to dimension, size and profile indicated on the drawings based on a design temperature of 68ºF (20ºC).

4.

Fabricate panel system to avoid compressive skin stresses. The installation detailing shall be such that the panels remain flat regardless of temperature changes and at all times remain air- and watertight.

5.

The finish side of the panel shall have a removable protective film applied prior to fabrication, which shall remain on the panel during fabrication, shipping and erection to protect the surface from damage.

E.

System Type (select from the following)

1.

Rout-and-Return Wet System: Fabricator and installer must provide an engineered system including clips, fasteners, anchors, spacers, trim, flashings, sealant, etc.

2.

Rout-and-Return Dry System: Fabricator and installer must provide an engineered pressure relief system including extruded perimeter frame; drainage gutter; all extrusions, clips, fasteners, anchors, spacers, trim, flashings, gaskets, sealant, etc.

3.

Continuous Edge Grip System: Fabricator and installer must provide an engineered pressure relief system including extruded perimeter frame; drainage gutter; all extrusions, clips, fasteners, anchors, spacers, trim, flashings, gaskets, sealant, etc.

4.

Face Fasten System: Utilizing Reynobond®, Fasteners and Extrusions provided by Alcoa Architectural Products.  System/Testing requirements listed below do not pertain to this System.

F.

System Performance

1.

Composite panels shall be capable of withstanding building movements and weather exposures based on the following test standards required by the architect and/or local building codes:

a.

Wind Load – If system tests are not available, under the direction of an independent third-party laboratory, mockups shall be constructed and tests performed to show compliance to the following minimum standards:

i.

Panels shall be designed to withstand the design wind load based upon the local building code, but in no case less than 20 pounds per square foot (psf) and 30 psf on parapet and corner panels. Wind-load testing shall be conducted in accordance with ASTM E330 to obtain the following results.

ii.

Normal to the plane of the wall between supports, deflection of the secured perimeter-framing members shall not exceed L/175 or 3/4", whichever is less.

iii.

Normal to the plane of the wall, the maximum panel deflection shall not exceed L/60 of the full span.

iv.

Maximum anchor deflection shall not exceed 1/16". At 1 1/2 times design pressure, permanent deflections of framing members shall not exceed l/100 of span length and components shall not experience failure or gross permanent distortion. At connection points of framing members to anchors, permanent set shall not exceed 1/16".

b.

Air/Water System Test – If system tests are not available, under the direction of an independent third-party laboratory, mockups shall be constructed and tests performed to show compliance to the following minimum standards:

i.

Air Infiltration – When tested in accordance with ASTM E283, air infiltration at 1.57 psf must not exceed 0.06 cubic feet per minute per square foot of wall area.

ii.

Water Infiltration – Water infiltration is defined as uncontrolled water leakage through the exterior face of the assembly. Systems not using a construction sealant at the panel joints (i.e., Dry Systems) shall be designed to drain any water leakage occurring at the joints. No water infiltration shall occur in any system under a differential static pressure of 6.24 psf after 15 minutes of exposure in accordance with ASTM E331.

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