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- SECTION 05735
-
- ORNAMENTAL SHEET METAL ENCLOSURES
- NOTE ** Metalwerks ornamental sheet metal enclosures.
- NOTE **
- NOTE ** This section is based on products manufactured by
- Metalwerks Division, Metal Sales and Service, Inc.,
- which is located at the following address:
- NOTE ** P.O. Box 637
- NOTE ** Kennett Square, PA 19348
- NOTE ** Tel: (800) 321-7816
- NOTE **
- NOTE ** Metalwerks offers a complete line of ornamental
- metal cladding assemblies, including ornamental
- sheet metal enclosures, architectural metal wall
- cladding, and metal panel ceilings.
- NOTE **
- NOTE ** SECTION 05735 - ORNAMENTAL SHEET METAL ENCLOSURES,
- Copyright 1997, The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
-
- A. Ornamental sheet metal enclosures made of stainless
- steel, aluminum, bronze, and steel, of types described
- below.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 05120 - Structural Steel.
-
- B. Section 05400 - Cold-Formed Metal Framing.
-
- C. Section 05500 - Metal Fabrications.
-
- D. Section 07482 - Architectural Metal Wall Cladding.
-
- E. Section 07815 - Sprayed-On Fireproofing.
-
- F. Section 07900 - Joint Sealers.
-
- G. Section 09260 - Gypsum Board Assemblies.
-
- H. Section 09300 - Tile.
-
- I. Section 09520 - Metal Panel Ceilings.
-
- J. Section 09546 - Linear Metal Ceiling.
-
- K. Section 09900 - Paints and Coatings.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. AA DAF-45 - Designation System for Aluminum Finishes;
- Aluminum Association (AA).
-
- B. AAMA 605.2 - Specification for High Performance Organic
- Coatings on Architectural Extrusions and Panels.
-
- C. AAMA 606.1 - Voluntary Guide Specification and Inspection
- Methods for Integral Color Anodic Finishes for
- Architectural Aluminum.
-
- D. AAMA 607.1 - Voluntary Guide Specification and Inspection
- Methods for Clear Anodic Finishes for Architectural
- Aluminum.
-
- E. AAMA 608.1 - Voluntary Guide Specification and Inspection
- Methods for Electrolytically-Deposited Color Anodic
- Finishes for Architectural Aluminum.
-
- F. ASTM B 209 - Standard Specification for Aluminum and
- Aluminum-Alloy Sheet and Plate.
-
- G. ASTM B 209M - Standard Specification for Aluminum and
- Aluminum-Alloy Sheet and Plate (Metric).
-
- H. ASTM D 1730 - Standard Practices for Preparation of
- Aluminum and Aluminum-Alloy Surfaces for Painting.
-
- I. DIN 50939 - Protection Against Corrosion; Chromating of
- Aluminum, Directives, Symbols, and Methods of Test;
- Deutsches Institut fur Normung.
-
- 1.4 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's descriptive literature,
- specifications, installation instructions, and
- recommendations, for each unit, component, and finish.
-
- C. Shop Drawings: Indicate the following:
- 1. Types, locations, sizes, and profiles; include
- material and finish indications.
- 2. Field measurements of construction over which
- enclosures will be installed, with notation of
- dimensions which vary significantly from the Contract
- Documents.
- 3. Details of corners, joints, fastening, anchorages,
- and interface with adjacent construction.
- 4. Scale: 1/4 inch to 1 ft (1:50).
- NOTE ** Delete the following paragraph if specifying custom
- colors or finishes, or if they are specified in
- this section.
-
- D. Selection Samples: Two sets, representing finish
- manufacturer's full range of available materials,
- finishes, and colors.
-
- E. Verification Samples:
- 1. For each metal panel material, color, and finish,
- submit two samples, minimum size 24 inches (609 mm)
- square, representing actual material and finish.
- 2. Two samples of each type of accessory specified.
- NOTE ** Delete the following paragraph if such large-scale
- samples are not required.
-
- F. Samples of Fabricated Materials: Submit full-scale
- samples of panel edge joints, expansion joints, and
- support members.
-
- G. Manufacturer's qualifications.
-
- H. Installer's qualifications.
-
- I. Maintenance data for panels and finishes, including
- precautions in use to prevent damage.
-
- 1.5 QUALITY ASSURANCE
- NOTE ** Delete the following if not required.
-
- A. Designer's Qualifications: Structural engineer licensed
- to practice in the State in which the project is located.
-
- B. Manufacturer Qualifications: Minimum ten years
- documented experience producing enclosures similar to
- those specified in this section.
- 1. Maintaining an in-house quality assurance program
- that documents panel dimensions, corners, and
- alignment.
- 2. Having sufficient capacity to produce required units
- within project time requirements.
-
- C. Installer Qualifications: Minimum five years documented
- experience installing enclosures similar to those
- specified in this section and approved by manufacturer.
-
- 1.6 DELIVERY, STORAGE, AND HANDLING
-
- A. Deliver, handle, and store components in manner to
- prevent bending, warping, twisting, and surface damage.
-
- B. Deliver and store components of this section in
- manufacturer's unopened packaging until installation.
-
- C. Store components off ground/floor on skids; protect
- against warpage, scratches, damage from moisture,
- exposure to direct sunlight, and other surface
- contamination until installation.
-
- 1.7 WARRANTY
-
- A. Manufacturer's Warranty: Ornamental metal enclosure
- manufacturer's five-year warranty against defects in
- product materials and fabrication, including cost of re-
- installation.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable Manufacturer: Metalwerks Division, Metal
- Sales and Service, Inc., P.O. Box 637, Kennett Square, PA
- 19348; ASD. Tel. (800) 321-7816.
- NOTE ** Delete one of the two following paragraphs;
- coordinate with Division 1 requirements.
-
- B. Requests for substitution will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- 2.2 ENCLOSURES
-
- A. Provide custom ornamental sheet metal enclosures for:
- NOTE ** Edit the following list to indicate actual
- fabricated assemblies covered by this section.
- 1. Column and beam covers.
- 2. Escalator and elevator cladding.
- 3. Bulkhead, soffit, and balcony cladding.
- 4. Interior window sills and stools.
- 5. Other assemblies as indicated on drawings.
-
- B. Enclosures: Shop-fabricated and assembled from metal
- panels, complete with all connections, supports, and
- anchors, with dimensions based on actual field
- measurements and coordinated with adjacent work.
- 1. Exposed components: Fabricated from materials
- selected for surface flatness, smoothness, and
- freedom from surface blemishes.
- 2. Edges: Straight, with bending radii not less than
- minimum recommended by material supplier.
- 3. Reveals: Sizes as indicated; attached to panels at
- fabrication facility.
- 4. Ceiling closures: Attached to top of panels at
- fabrication facility; allow for movement relative to
- structure.
- 5. Panel supports: Concealed 14 gage (1.9 mm)
- galvanized "Interframe" supports, providing plumb
- panel mounting and flush panel joints.
- 6. Panel fasteners: Concealed keyhole type, "Metal
- Lok", or as required.
- 7. Other fasteners and anchors: Concealed; exposed
- fasteners not permitted except as indicated on
- approved shop drawings.
- 8. Fabricate components as indicated on approved shop
- drawings.
-
- C. Finish all exposed surfaces of the same metal in the same
- manner as panel finish.
-
- D. Apply protective vinyl masking to exposed surfaces.
-
- 2.3 MATERIALS
- NOTE ** Delete all materials below that are not required.
- If more than one metal is required, describe where
- each metal is to be used.
-
- A. Metal Panels: Stainless steel sheet.
- NOTE ** Delete all but one of the following four
- paragraphs.
- 1. Sheet thickness: 18 gage (1.3 mm).
- 2. Sheet thickness: 16 gage (1.5 mm).
- 3. Sheet thickness: 14 gage (1.9 mm).
- 4. Sheet thickness: 12 gage (2.7 mm).
- NOTE ** Delete all but one of the following four finish
- paragraphs.
- 5. Finish: Number 4 brushed finish.
- 6. Finish: Number 6 finish.
- 7. Finish: Number 8 mirror finish.
- 8. Finish: Number 2B mechanical finish.
-
- B. Metal Panels: Aluminum sheet, of alloy and temper
- recommended by manufacturer for use intended and suitable
- for finish indicated; strength and durability not less
- than that for ASTM B 209/ASTM B 209M, alloy 5005, H15
- temper.
- NOTE ** Delete all but one of the following six paragraphs
- for thickness.
- 1. Sheet thickness: Minimum 0.063 inch (1.6 mm).
- 2. Sheet thickness: Minimum 0.080 inch (2.0 mm).
- 3. Sheet thickness: Minimum 0.090 inch (2.3 mm).
- 4. Sheet thickness: Minimum 0.125 inch (3.2 mm).
- 5. Sheet thickness: Minimum 0.190 inch (4.8 mm).
- 6. Sheet thickness: Minimum 0.250 inch (6.3 mm).
- NOTE ** Delete all but one of the following finish
- paragraphs.
- 7. Finish: Fluoropolymer coating.
- 8. Finish: Polyester powder coating.
- 9. Finish: Clear anodic finish, AA-M12C22A31,
- nonspecular as fabricated mechanical finish,
- chemically etched medium matte, with AAMA 607.1 Class
- II clear coating 0.010 mm or thicker.
- 10. Finish: Clear anodic finish, AA-M12C22A41,
- nonspecular as fabricated mechanical finish,
- chemically etched medium matte, with AAMA 607.1 Class
- I clear coating 0.018 mm or thicker.
- 11. Finish: Color anodic finish, AA-M12C22A32,
- nonspecular as fabricated mechanical finish,
- chemicallay etched, medium matte, with AAMA 606.1 or
- 608.1 Class II integrally colored or electolytically
- deposited color coating 0.010 mm or thicker.
- 12. Finish: Color anodic finish, AA-M12C22A34,
- nonspecular as fabricated mechanical finish,
- chemicallay etched, medium matte, with AAMA 606.1 or
- 608.1 Class I integrally colored or electolytically
- deposited color coating 0.018 mm or thicker.
- NOTE ** Delete all of the following color paragraphs if
- clear anodizing is specified. Otherwise, delete
- all but one to specify color of either anodizing or
- coated finish.
- 13. Color: Light bronze.
- 14. Color: Medium bronze.
- 15. Color: Dark bronze.
- 16. Color: Black.
- 17. Color: ________.
- 18. Color: Selected from full range of manufacturer's
- standard colors.
- 19. Color: Match Architect's sample.
-
- C. Metal Panels: Bronze/Muntz metal.
- NOTE ** Delete all but one of the following three
- paragraphs for thickness.
- 1. Sheet thickness: 0.050 inch (1.3 mm).
- 2. Sheet thickness: 0.060 inch (1.5 mm).
- 3. Sheet thickness: 0.080 inch (2.0 mm).
- NOTE ** Delete all but one of the following three
- paragraphs for finish.
- 4. Mechanical sheet finish: Number 4 brushed finish.
- 5. Mechanical sheet finish: Number 6 finish.
- 6. Mechanical sheet finish: Number 8 mirror finish.
- NOTE ** Delete either of the following two paragraphs if
- not required.
- 7. Finish: Statuary bronze.
- 8. Top coat: Clear lacquer coating.
-
- D. Metal Panels: Steel sheet.
- NOTE ** Delete all but one of the following four
- paragraphs.
- 1. Sheet thickness: 18 gage (1.2 mm).
- 2. Sheet thickness: 16 gage (1.5 mm).
- 3. Sheet thickness: 12 gage (2.7 mm).
- 4. Sheet thickness: 11 gage (3.0 mm).
- NOTE ** Delete one of the following finish paragraphs.
- 5. Finish: Fluoropolymer coating.
- 6. Finish: Polyester powder coating.
-
- E. Fluoropolymer Coating Finish: Polyvinylidene fluoride
- three-coat coating system, applied by coater certified by
- coating manufacturer, conforming to AAMA 605.2, and as
- follows:
- 1. Pretreatment: Chemical etch with cleaner specified
- by coating manufacturer.
- 2. Primer: Acid-resistant primer coating specified by
- coating manufacturer; dry film thickness range 0.2 to
- 0.3 mils (0.005 to 0.007 mm).
- 3. Color Coat: Containing minimum 70 percent
- polyvinylidene resin by weight; Kynar 500(R) or Hylar
- 5000(R); dry film thickness of 0.8 to 1.2 mils (0.02
- to 0.03 mm).
- 4. Top Coat: Clear top coating containing minimum 70
- percent polyvinylidene resin by weight; minimum dry
- film thickness of 0.8 mils (0.02 mm).
- NOTE ** Delete all but one of the following three
- paragraphs to specify color; coordinate selection
- method with requirements for Samples in SUBMITTALS
- Article of Part 1.
- 5. Color: _________________.
- 6. Color: Selected from full range of coating
- manufacturer's standard colors.
- 7. Color: Match Architect's sample.
-
- F. Polyester Powder Coating Finish: Manufacturer's standard
- electrostatically- or spray-applied polyester powder
- coating system as follows:
- 1. Multi-stage pretreatment process in accordance with
- ASTM D 1730, Type B, method 5 or 7, and DIN 50939.
- 2. Finish coat: One coat commercial-grade polyester
- powder coating.
- NOTE ** Delete the following paragraph if specifying single
- coat only.
- 3. Second finish coat: Additional coat commercial-grade
- polyester powder coating.
- 4. Total coating thickness: 2.5 to 3.5 mils (0.06 to
- 0.08 mm) dry film thickness on panel face; 3.5 to 5
- mils (0.08 to 0.12 mm) dry film thickness on panel
- edges and corners.
- NOTE ** Delete all but one of the following three
- paragraphs to specify color; coordinate selection
- method with requirements for Samples in SUBMITTALS
- Article of Part 1.
- 5. Color: _________________.
- 6. Color: Selected from full range of manufacturer's
- standard colors.
- 7. Color: Match Architect's sample.
-
- G. Panel Accessories: Same material, sheet thickness, and
- finish as adjacent panels, unless otherwise indicated;
- including reveals, ceiling closures, and joint sealer
- recesses.
-
- H. Accessory Materials: Provide concealed gaskets, fillers,
- insulation, and other materials as required to complete
- the installation.
-
- I. Joint Sealants: As specified in Section 07900.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Review the shop drawings and verify field conditions:
- 1. Verify that dimensions of locations to receive
- ornamental sheet metal enclosures are in accordance
- with shop drawings.
- 2. Verify that concrete inserts, anchor bolts, and
- integral anchors have been installed in concrete or
- secured to structural steel.
- 3. Surfaces are ready to receive enclosures.
-
- 3.2 INSTALLATION
-
- A. Install components in accordance with approved shop
- drawings.
-
- B. Panels: Install plumb, level, and in alignment with
- adjacent work, to specified tolerances, with hairline
- joints between adjacent components.
-
- C. Protect metal surfaces from corrosion and electrolytic
- action by applying two coats bituminous paint on surfaces
- which will be in contact with concrete, masonry, or
- dissimilar metals.
-
- D. Secure to substrates using anchors specified in shop
- drawings.
-
- E. Install accessories as construction activities progress.
-
- F. Tool sealants to concave profile, cleaning excess sealant
- materials from panel surfaces in the process.
-
- G. Installation Tolerances:
- 1. Maximum variation in vertical joint alignment: Plus
- or minus 1/16 inch (1.5 mm).
- 2. Maximum variation in horizontal joint alignment:
- Plus or minus 1/16 inch (1.5 mm).
- 3. Maximum variation from plumb: 1/8 inch in 12 feet
- (3.5 mm in 4 m).
-
- 3.3 CLEANING
-
- A. After removing factory-applied masking, clean surfaces
- using materials and methods specified in manufacturer's
- instructions.
-
- 3.4 PROTECTION AND REPAIR
-
- A. Protect installed components from damage to appearance
- and performance by subsequent construction activities; do
- not remove factory-applied masking from components until
- time of Substantial Completion.
-
- B. Repair damaged components and finishes in accordance with
- manufacturer's recommendations; replace components which
- cannot be repaired to Architect's acceptance.
-
- END OF SECTION
-