NOTE ** Metalwerks Concept 2000 metal panel ceilings.
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 assemblies, including metal panel ceilings, architectural metal wall cladding, ornamental sheet metal enclosures, and ornamental metal cladding assemblies.
NOTE **
NOTE ** SECTION 09520 - METAL PANEL CEILINGS, Copyright 1997, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project.
A. Suspended Snap-In Metal Panel Ceiling System.
B. Suspended Lay-In Metal Panel Ceiling System.
C. Positive-Fastened Metal Panel Ceiling System.
D. Suspension Systems and Trim.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this project; add others as required.
A. Section 09260 - Gypsum Board Assemblies.
B. Section 09511 - Suspended Acoustical Ceilings.
C. Section 14201 - Passenger Elevators.
D. Section 15840 - Air Terminal Units.
E. Section 16510 - Interior Luminaires.
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 recommendatons, for each component and finish.
C. Shop Drawings: Indicate the following:
1. Reflected ceiling plans; show locations of ceiling-mounted items, and points of suspension.
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 interface with dissimilar and restraining materials, project-specific conditions, ceiling-mounted items, perimeter conditions, moldings, and trim.
4. Scale: 1/4 inch to 1 foot (1:50).
NOTE ** Delete the following paragraph if specifying custom materials or finishes, or if materials and finishes are specified in this section.
D. Selection Samples: Two sets, representing manufacturer's full range of available materials and finishes.
E. Verification Samples: Two samples of each type panel and related component which will be exposed in the finished Work, representing actual material and finish of products to be installed; minimum size for panels 24 inches (610 mm) square, minimum size for linear components 24 inches (610 mm) long.
F. Installer's qualifications.
G. Manufacturer's printed installation instructions for metal panel ceiling components; include component storage requirements.
H. Manufacturer's written instructions for maintenance of materials and finishes.
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 five years documented experience producing metal panel ceilings 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 metal panel ceilings similar to those specified in this section, and approved by manufacturer.
NOTE ** Delete the following paragraph if not required.
D. Mock-Up: Construct mock-up using materials specified in this section.
1. Construct mock-up at locations indicated or directed, and as follows:
a. Size: __ feet by __ feet (__ mm by __ mm).
b. Include panels, reveals if any, indicated accessories, fasteners, and anchors.
2. Obtain Architect's acceptance of mock-up before beginning construction activities of this section; accepted mock-up will be standard by which completed construction activities of this section is judged.
NOTE ** Retain one of the following two sub-paragraphs.
3. Mock-up may not remain as part of Work.
4. Accepted mock-up may remain as part of Work.
NOTE ** Delete the following paragraph if not required.
E. Pre-Installation Meeting: Convene at job site seven calendar days prior to scheduled beginning of construction activities of this section to review requirements of this section.
1. Require attendance by representatives of the following:
a. Installer of this section.
b. Other entities directly affecting, or affected by, construction activities of this section.
2. Notify Architect four calendar days in advance of scheduled meeting date.
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: Metal ceiling panel manufacturer's five-year warranty against defects in product materials and fabrication.
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.
D. Supply all components specified in this section from the same manufacturer.
2.2 METAL PANEL CEILING
A. Metal Panel Ceilings - Performance Requirements:
1. Deflection: Maximum 1/360 of clear span under imposed loads, including air terminal units, luminaires, and other indicated ceiling-mounted items.
2. Load design: Ensure ceiling-mounted items will not induce eccentric loads; where such items may induce rotation of ceiling system components, provide stabilizing reinforcement.
3. Include provisions for structural movement without adversely affecting metal panel ceiling system appearance or performance.
B. Metal Panel Ceiling: Metalwerks Concept 2000 system; 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.
NOTE ** Delete all but one of the following three paragraphs.
1. Type: SN2000 snap-in type panels, downward acting, removable at any point in the ceiling, with continuous bead four sides; in narrow-style tee-bar system of same material as panel material, profile to accommodate panel edges, and finish matching panel finish, unless otherwise indicated.
2. Type: SU2000 lay-in panel type, upward acting, removable at any point in the ceiling, with continuous flange four sides; in special "J"-channel shaped overlap suspension system of same material and finish as panel, unless otherwise indicated.
3. Type: SC2000 positive-fastening type removable panels, in suspension system as required by manufacturer; panels capable of being formed to radius.
4. Profiles: Indicated on drawings.
NOTE ** Delete one of the following two paragraphs. Insert panel size dimensions if not shown on the drawings.
NOTE ** Delete the following two paragraphs unless the positive-fastened type (SC2000) system is used. Otherwise delete one of the following two paragraphs. Insert panel radius dimension if not shown on drawings.
7. Panel radius: __ inches (__ mm).
8. Panel radius: As indicated on drawings.
9. Exposed components: Fabricated from materials selected for surface flatness, smoothness, and freedom from surface blemishes.
C. Panels: Stainless steel sheet.
NOTE ** Delete all but one of the following seven paragraphs. The snap-in type (SN2000) is available in 16 to 20 gage. The lay-in type (SU2000) is available in 14 to 20 gage. The positive-fastened type (SC2000) is available in all thicknesses.
1. Sheet thickness: 20 gage (0.9 mm).
2. Sheet thickness: 18 gage (1.2 mm).
3. Sheet thickness: 16 gage (1.5 mm).
4. Sheet thickness: 14 gage (1.9 mm).
5. Sheet thickness: 13 gage (2.3 mm).
6. Sheet thickness: 12 gage (2.7 mm).
7. Sheet thickness: 11 gage (3.0 mm).
NOTE ** Delete all but one of the following four paragraphs.
8. Finish: Number 4 brushed finish.
9. Finish: Number 6 finish.
10. Finish: Number 8 mirror finish.
11. Finish: Number 2B mechanical finish.
NOTE ** Delete the following paragraph if no perforated panels.
12. Perforations: Match perforation size and pattern of approved sample.
D. Panels: Aluminum sheet, with strength and durability not less than that for ASTM B 209/ASTM B 209M, alloy 5005, temper H15.
NOTE ** Delete all but one of the following five paragraphs. The snap-in type (SN2000) is available only in 0.040 and 0.050 inch. The lay-in type (SU2000) is available only in 0.050 and 0.080 inch. The positive-fastened type (SC2000) is available only in 0.063 and 0.125 inch.
1. Sheet thickness: Minimum 0.040 inch (1.0 mm).
2. Sheet thickness: Minimum 0.050 inch (1.3 mm).
3. Sheet thickness: Minimum 0.063 inch (1.6 mm).
4. Sheet thickness: Minimum 0.080 inch (2.0 mm).
5. Sheet thickness: Minimum 0.125 inch (3.1 mm).
NOTE ** Delete all but one of the following six paragraphs to specify metal finish.
6. Finish: Fluoropolymer coating.
7. Finish: Polyester powder coating.
8. 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.
9. 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.
10. 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.
11. 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 three of the following three paragraphs if clear anodizing is specified. Otherwise, delete all but one to specify color; coordinate selection method with requirements for Samples in SUBMITTALS Article of Part 1.
12. Color: _________________.
13. Color: Selected from full range of manufacturer's standard colors.
14. Color: Match Architect's sample.
NOTE ** Delete the following paragraph if no perforated panels.
15. Perforations: Match perforation size and pattern of approved sample.
2.3 MATERIALS
A. 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).
B. 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.
C. Wall and Interface Moldings: Same material as panel material, profiles as indicated, and finish matching panel finish, unless otherwise indicated.
D. Attachments and Secondary Suspension Accessories: As required to provide complete system; formed galvanized steel, extruded aluminum, or structural steel shapes.
NOTE ** Delete the following paragraph if sound-absorbing pads are not required.
E. Sound Absorbing Pads: Glass fiber, 1 inch (25 mm) thick, wrapped in PVC sheet, factory installed.
2.4 FABRICATION
A. Fabricate components to profiles and sizes indicated on approved shop drawings.
B. Apply protective masking to surfaces which will be exposed in finished work; ensure that masking materials, including adhesive, will not adversely affect appearance of components.
PART 3 EXECUTION
3.1 EXAMINATION
A. Review the shop drawings and verify field conditions:
1. Verify that dimensions of locations to receive metal panel ceilings are in accordance with approved shop drawings.
2. Verify that substrates to receive metal panel ceilings are prepared for installation of metal panel ceiling.
3. Verify that above-ceiling construction activities in locations to receive metal panel ceilings are complete.
B. Do not permit construction activities of this section to begin in an area until above-ceiling construction activities in that area are completed.
3.2 INSTALLATION
A. Install components of metal panel ceiling systems in accordance with approved shop drawings and manufacturer's instructions.
B. Framing:
1. Install to achieve indicated ceiling height after above-ceiling construction activities are complete; coordinate location of hangers with construction activities of related sections.
2. Space hangers to achieve specified deflection limits; anchoring securely to substrates.
3. Laterally brace suspension system, if required.
4. Install main runners independent of walls, columns, and other above-ceiling items.
5. Space main runners maximum 48 inches (1220 mm) on center, and 6 inches (150 mm) from wall surfaces; butt splices and install lap strips as indicated.
6. Attach main runners to hangers to prevent turning or twisting, and to transmit full loads to hangers.
C. Installation Tolerances: Variation from horizontal or indicated slope of 1/8 inch in 8 feet (3.9 mm in 3 m), maximum.
D. Coordinate installation of fixtures and equipment to be installed in ceiling system.
3.3 CLEANING
A. After removing factory-applied masking, clean exposed surfaces using materials and methods specified in manufacturer's instructions.
3.4 PROTECTION
A. Protect installed components from damage to finish or function by subsequent construction activities; do not remove factory-applied masking from components until time of Substantial Completion.
B. Repair damaged components and finishes, if any, in accordance with manufacturer's recommendations; replace components which cannot be repaired to Architect's acceptance.
3.5 OWNER-PERSONNEL INSTRUCTION
A. Instruct Owner's personnel in the care and maintenance of ceiling system.
