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SECTION 09520
METAL PANEL CEILINGS
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.
5. Panel size: Width __ inches (__ mm); length __
inches (__ mm).
6. Panel size: As indicated on 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.
END OF SECTION