ATT12-1630_-_DDPM_120002_-_Concrete_Joint_-_Spec_05_72_00.pdf

SECTION 05 72 00

DECORATIVE METAL SPECIALTIES

02/12

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ALUMINUM ASSOCIATION (AA)

AA ADM (2015) Aluminum Design Manual

AA ASM-35 (2000) Specifications for Aluminum Sheet Metal Work in Building Construction, Construction Manual Series Section 5

AA DAF45 (2003; Reaffirmed 2009) Designation System for Aluminum Finishes

AA PK-1 (2015) Pink Sheets: Designations and Chemical Composition Limits for Aluminum Alloys in the Form of Castings & Ingot

AMERICAN WELDING SOCIETY (AWS)

AWS A5.3/A5.3M (1999; R 2007) Specification for Aluminum and Aluminum-Alloy Electrodes for Shielded Metal Arc Welding

AWS D1.2/D1.2M (2014) Structural Welding Code - Aluminum

ASME INTERNATIONAL (ASME)

ASME B18.13 (1996; Addenda A 1998; R 2013) Screw and Washer Assemblies - Sems (Inch Series)

ASME B18.2.1 (2012; Errata 2013) Square and Hex Bolts and Screws (Inch Series)

ASME B18.2.2 (2010) Nuts for General Applications:

Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

ASME B18.21.1 (2009) Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)

ASME B18.24 (2004; Addenda A 2006; R 2011) Part Identifying Number (PIN) Code System Standard for B18 Fastener Products

ASME B18.6.1 (1981; R 2008) Wood Screws (Inch Series)

ASME B18.6.3 (2013) Machine Screws, Tapping Screws, and

SECTION 05 72 00 Page 1

Machine Drive Screws (Inch Series)

ASTM INTERNATIONAL (ASTM)

ASTM B209 (2014) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

ASTM B211 (2012) Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire

ASTM B221 (2014) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B221M (2013) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

ASTM B316/B316M (2010) Standard Specification for Aluminum and Aluminum-Alloy Rivet and Cold-Heading Wire and Rods

ASTM C636/C636M (2013) Standard Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-In Panels

ASTM D1730 (2009; R 2014) Standard Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting

ASTM D1752 (2004a; R 2013) Standard Specification for Preformed Sponge Rubber Cork and Recycled PVC Expansion

ASTM G71 (1981; R 2014) Standard Guide for Conducting and Evaluating Galvanic Corrosion Tests in Electrolytes

ASTM G82 (1998; R 2014) Standard Guide for Development and Use of a Galvanic Series for Predicting Galvanic Corrosion Performance

SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC PA 1 (2000; E 2004) Shop, Field, and Maintenance Painting of Steel

SSPC PS 11.01 (1982; E 2004) Black (or Dark Red) Coal Tar Epoxy Polyamide Painting System

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SECTION 05 72 00 Page 2

SD-03 Product Data

Materials

SD-04 Samples

Manufacturer's Standard Color Charts; G Aluminum Finishes; G

SD-08 Manufacturer's Instructions

Cleaning Materials Preventative Maintenance and Inspection Maintenance Instructions

1.3 QUALITY CONTROL

1.3.1 Color Charts

Submit Manufacturer's Standard Color Charts for Shop Paint and Finish Paint for approval by the Contracting Officer prior to work.

1.4 DELIVERY, STORAGE, AND HANDLING

Store all architectural metal items off the ground on clean raised platforms or pallets one level high in dry locations with adequate ventilation, such as an enclosed building or closed trailer.

Keep materials free from dirt and grease and protected from corrosion.

Store packaged materials in their original, unbroken containers in a dry area, until ready for installation.

PART 2 PRODUCTS

2.1 MATERIALS

Submit manufacturer's catalog data for the following items listing all ornamental metal accessories including casting, forgings, fasteners and anchorage devices.

Submit samples for each type of Anchorage Devices and Fasteners.

2.1.1 Toggle Bolts

Provide corrosion-resistant chromium-nickel steel conforming to AISI Type 303, 304, , or 316 toggle bolts of the class and style best suited for the work, conforming to ASTM C636/C636M, Type II.

2.1.2 Standard Bolts and Nuts

Provide standard bolts, regular hexagon head, corrosion-resistant steel, coarse thread series, conforming to, Type II.

Provide standard nuts, plain hexagon, regular style, corrosion-resistant steel, conforming to ASME B18.2.2 , Type II, Style 4.

SECTION 05 72 00 Page 3

2.1.3 Lag Bolts

Provide lag bolts, square head, gimlet point or cone point, corrosion-resistant steel, conforming to ASME B18.2.1 , Type I, Grade C.

2.1.4 Machine Screws

Provide machine screws, corrosion-resistant steel, cross-recess drive, flat head, conforming to ASME B18.6.3 , Type III, Style [2C] [3C].

2.1.5 Wood Screws

Provide wood screws, corrosion-resistant steel, single-thread, flat head with cross-recess drive, conforming to ASME B18.6.1 .

2.1.6 Plain Washers

Provide plain washers, round, general-assembly, corrosion-resistant steel, conforming to ASME B18.21.1 , Type A, Grade I, Class B.

2.1.7 Lock Washers

Provide lock washers, helical spring, corrosion-resistant steel (nonmagnetic), conforming to ASME B18.13 and ASME B18.21.1 .

2.1.8 Welding Filler Metal

Provide aluminum-alloy welding filler metal for welding of aluminum alloys, conforming to AWS A5.3/A5.3M and as recommended by the aluminum producer for the work.

2.2 FABRICATION

2.2.1 Workmanship

Fabricate metalwork to the shape and size, with lines, angles, and curves true to form. Provide necessary rabbets, lugs, and brackets so that the work can be assembled. Conceal fasteners where practical.

Design exterior ornamental metal items to withstand expansion and contraction of the component parts at an ambient temperature of100 degrees F without causing harmful buckling, opening of joints, overstressing of fasteners, or other harmful effects.

Welded fabrication to meet requirements as specified in AWS D1.2/D1.2M .

Execute all welds behind finished surfaces without distortion or discoloration of the exposed side. Clean flux from welded joints and dress all exposed and contact surfaces.

Drill or punch holes for fasteners.

Mill all joints to a close fit. Cope or miter corner joints to a well formed shape and true alignment with the adjacent item. Fabricate and form joints exposed to weather to prevent water intrusion.

Ensure all castings are sound and free from warp or defects that impair their strength and appearance, with a smooth finish and sharp well-defined vertical and horizontal lines on all exposed surfaces.

SECTION 05 72 00 Page 4

2.2.2 Aluminum-Alloy Extrusions

Provide aluminum fabrications conforming to AA ADM, AA ASM-35 , and AA PK-1 .

Provide 6063, temper T5 extrusions conforming to ASTM B221 ASTM B221M.

Provide aluminum-alloy and tempered extrusions recommended by the aluminum producer with the specified finish of integral-color anodized coating having mechanical properties equal to, or exceeding, those of aluminum alloy 6063, temper T5, conforming to ASTM B221 ASTM B221M.

2.2.3 Aluminum-Alloy Sheets and Plates

Provide aluminum-alloy and tempered sheets and plates recommended by the aluminum producer with the specified finish of integral-color anodized coating having mechanical properties equal to, or exceeding, those of alloy 5005, temper H16, conforming to ASTM B209.

2.2.4 Metals for Fasteners

Provide fastener identification conforming to ASME B18.24 .

Provide aluminum-alloy bolts and screws made from rod conforming to ASTM B211, alloy 2024 and temper T351.

Provide aluminum-alloy nuts made from rod conforming to ASTM B211, alloy 6061 and temper T6.

Provide aluminum-alloy washers made from sheet conforming to ASTM B209, alloy 2024 and temper T4.

Provide aluminum-alloy rivets made from rod or wire conforming to ASTM B316/B316M , alloy 6053 and temper T61.

Provide corrosion-resistant steel fasteners made of chromium-nickel steel, AISI Type [303], [304], [___], [or 316], with form and condition best suited for the application.

2.2.5 Protection of Aluminum from Dissimilar Materials

Protect aluminum surfaces that will come in contact with dissimilar metals, or masonry, concrete, or wood, with epoxy polyamide conforming to SSPC PS 11.01 , and topcoated with aliphatic polyurethane conforming to ASTM G71 and ASTM G82

Prepare aluminum surfaces to be painted by the acid pickling method conforming to ASTM D1730, Type B, Method 2 or Method 3.

Apply paint to dry, clean surfaces by brush or spraying to provide a minimum dry-film thickness of 1.5-mils.

2.2.6 Aluminum Finishes

Submit samples for Aluminum Finishes, one for each type used in the project. Provide samples of standard size as used in construction. After approval, full-sized samples may be used in construction, provided each sample is clearly identified and its location recorded.

Provide a finish for exposed-to-view aluminum surfaces of architectural

SECTION 05 72 00 Page 5 metal items conforming to AA DAF45 and finished as specified for each of the following items:

a. Aluminum producer's "as-fabricated mill finish", conforming to AA M10, as specified in AA DAF45.

b. Matte finish Class II; clear anodized coating, medium matte non-directional textured mechanical finish and Architectural Class II 0.4- to 0.7-mil thick anodized coating producing natural aluminum color finish conforming to AA M42-A31, as specified in AA DAF45.

2.2.7 Aluminum Joint Cover Assemblies

Design aluminum joint cover assemblies for horizontal movement and the joint width indicated.

Provide floor joint cover assemblies consisting of continuous frame unit on each side of floor-to-floor joints or on one side of floor-to-wall joints as required by construction conditions. Include floor cover plates, filler strips, anchors, and other accessories as required to complete the installation, and as follows:

Fabricate floor frame units from aluminum-alloy extrusions with an integral curb edge bar for the expansion joint edges. Provide integral grooves to receive anchor bolts, and floor cover plate with filler strip surfaces that will finish flush to the finished floor elevation when the floor cover assembly is installed. Provide corrosion-resistant coated aluminum alloy or steel anchor bolts and nuts, spaced not more than 3-inches from each end and not more than 18-inches on center between end anchors. Furnish coated steel anchor bolts and nuts conforming to SSPC PA 1 . Provide frame splice connectors as required to complete the installation.

Provide floor cover plates of the patterns and widths indicated, and lengths as long as practical, with metal thickness not less than 1/4-inch.

Drill and countersink fixed edge of floor cover plates to receive flathead screws, spaced not more than 3-inches from each cover plate end and not more than 18-inches on center between the end screw holes. Provide corrosion-resistant steel screws for securing floor cover plates.

Provide mill finish for exposed-to-view surfaces.

Provide rubber and cork composition tape filler strips with pressure-sensitive adhesive coating on one face and smooth suede surface on the exposed face, conforming to ASTM D1752, not less than 1-1/2 inches wide and a depth as required to provide a surface flush with the finished floor elevation.

Provide wall and ceiling joint cover assemblies consisting of continuous anchor strips on one side of the wall or ceiling expansion joint; wall and ceiling cover plates; and seals, anchors, and other accessories as required to complete the installation, and as follows:

Provide aluminum-alloy wall and ceiling anchor strip extrusions fabricated to provide an integral curb bar edge and integral lugs to receive snap-on cover plates. Field drill fixed edge of anchor strips with holes to receive screws, spaced not more than 3-inches from each end and not more than 12-inches on center between the end screw holes. Provide cadmium-plated screws with masonry anchorage devices

SECTION 05 72 00 Page 6 or toggle bolts as required by construction conditions.

Provide aluminum-alloy wall and ceiling cover plate extrusions of the patterns and widths indicated, designed for snap-on application over anchor strips, fabricated with integral grooves to receive sealing gaskets, and having a smooth exposed-to-view surface.

Provide vinyl sealing gaskets for exterior wall joint cover assemblies wall and ceiling joint cover assemblies.

Provide a frosted finish with Class II clear anodized coating for exposed-to-view surfaces.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Anchorage Devices Embedded In Other Construction

Install decorative metal work in accordance with the approved shop drawings and descriptive data for each ornamental metal item, as specified.

Securely fasten decorative metal items plumb and true to horizontal and vertical lines and levels.

3.1.2 Holes for Other Work

Provide holes where indicated for securing other work to metal work.

3.1.3 Fastening to Construction-In-Place

Provide anchorage devices and fasteners where necessary for fastening ornamental metal items to construction-in-place. Include threaded fasteners for concrete inserts embedded in cast-in-place concrete; masonry anchorage devices and threaded fasteners for solid masonry and concrete-in-place; toggle bolts for hollow masonry and stud partitions;

through bolting for masonry and wood construction; lag bolts and wood screws for wood construction; and threaded fasteners for structural steel. Provide fastening as indicated and as specified. Fastening to wood plugs in masonry or concrete-in-place is not permitted.

3.1.4 Cutting and Fitting

Perform required cutting, drilling, and fitting for the installation of ornamental metal work. Execute cutting, drilling, and fitting carefully;

when required, fit in place work before fastening.

3.1.5 Setting Masonry Anchorage Devices

Set all masonry anchorage devices in masonry or concrete-in-place construction in accordance with the anchorage device manufacturer's printed instructions. Drill anchorage holes to the recommended depth, diameter, and size recommended by the manufacturer of the particular anchorage device used. Leave drilled anchorage holes rough, not reamed, and free of drill dust.

3.1.6 Threaded Connections

Countersink and provide flat bolt and screw heads where anchors are

SECTION 05 72 00 Page 7 exposed to view, and tightly secure threaded connections so that the threads are entirely concealed by fitting, unless otherwise specified.

3.2 ADJUSTING AND CLEANING

Before final acceptance, wash exposed-to-view aluminum surfaces with clean water and soap and rinse with clean water. Do not use acid solutions, steel wool, or other harsh abrasives. Remove stains that remain after cleaning or restore the finish in accordance with the aluminum producer's recommendations

Perform all Preventative Maintenance and Inspection in accordance with the aluminum producer's recommended Cleaning Materials and Application Methods including precautions in the use of cleaning materials that maybe detrimental to the aluminum finish when improperly applied.

3.3 MAINTENANCE INSTRUCTIONS

Submit aluminum producer's recommended maintenance instructions for cleaning materials and application.

-- End of Section --

SECTION 05 72 00 Page 8

1.4 DELIVERY, STORAGE, AND HANDLING