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SECTION 09548
WIDE PANEL METAL CEILING SYSTEMS
NOTE ** Hunter Douglas Architectural Products, Inc., metal
ceilings.
NOTE **
NOTE ** This section is based on the products of Hunter
Douglas Architectural Products, Inc., which is
located at:
NOTE ** 5015 Oakbrook Parkway, Suite 100
NOTE ** Norcross, GA 30093
NOTE ** Tel: (800) 366-4327
NOTE **
NOTE ** SECTION 09548 - WIDE PANEL METAL CEILING SYSTEMS,
Copyright 1998, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
A. Wide panel metal ceiling systems consisting of:
1. Suspension carrier systems and accessories.
NOTE ** Select from the subparagraphs below as applicable
to the project.
2. Galvanized panels with beveled edges.
3. Aluminum panels with beveled edges.
4. Galvanized panels with recessed joints.
5. Aluminum panels with recessed joints.
1.2 RELATED SECTIONS
A. Division 15 Sections: Mechanical air grilles, diffusers,
and fire sprinklers.
B. Division 16 Sections: Lighting fixtures.
1.3 REFERENCES
NOTE ** Delete references below that are not actually
required by the text of the edited section; add
others as required.
A. ASTM C 636 - Practice for Installation of Metal Ceiling
Suspension Systems for Acoustical Tile and Lay-In Panel
Ceilings.
B. ___________________________________________.
1.4 SYSTEM DESCRIPTION
A. Design Requirements: Prefinished metal panels,
suspension carrier system, and accessories, including
provisions for the incorporation of mechanical diffusers
and lighting fixtures.
B. System installations are for:
NOTE ** Select from the subparagraphs below as applicable
to the project.
1. Interior applications.
2. Exterior applications.
3. Interior and exterior applications.
NOTE ** Retain or edit all, none, or portions of the
following paragraph and subparagraphs as required
for the project.
C. Performance Requirements: Provide the following minimum
requirements for the manufacturer's standard installed
system:
1. Flame Spread: 0-25, per ASTM E 84.
2. Noise Reduction Coefficient (NRC): 0.70 minimum for
perforated panels.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's catalog data, detail
sheets, specifications, and printed installation
instructions.
C. Shop Drawings: Prepared specifically for this project,
showing:
1. Reflected ceiling plan(s), indicating metal ceiling
layout, ceiling mounted items, and penetration
locations.
2. Suspension carrier system and component layout.
3. Details of system assembly and connection to building
components.
D. Samples:
1. Specified Wide Metal Panels: Minimum of one actual
size panel of each type and finish required by the
project.
2. Color Samples: Manufacturer's standard colors
(finishes) for Architect's selection.
3. Suspension Carrier System Components and
Molding/Trim: Minimum 12 inch (305 mm) length of
each type required.
1.6 QUALITY ASSURANCE
A. Manufacturer Qualifications:
1. Metal Ceiling System Components: Minimum 3 years
experience in actual production of specified
products, with resources to provide consistent
quality in appearance and physical properties without
delaying the work.
2. Suspension Carrier System Components: Single
manufacturer providing compatible components for a
complete metal ceiling system installation.
B. Installer Qualifications: Firm with installers having
not less than 3 years successful experience on projects
of similar size and requirements.
C. Regulatory Requirements:
NOTE ** Verify with applicable governing agencies as to
specific standards of compliance and include or
refer to below.
1. Fire Rating Performance Characteristics: Install
system to provide a flame spread of 0-25, complying
with certified testing to ASTM E 84.
2. Suspension System Installation Standard: ASTM C 636.
3. ___________________________________________.
NOTE ** Retain paragraph below when a mock-up is
appropriate or required for the project.
D. Mock-Up: Before beginning installation, erect a mock-up
section where directed, using all system components.
E. Pre-Installation Conference: Before beginning
installation, conduct a conference to review system
requirements, shop drawings, and all coordination needs.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Deliver system components in manufacturer's original
unopened packages, clearly labeled.
B. Store components in fully enclosed dry space. Carefully
place on skids and protect from damage due to moisture
and other construction activities.
C. Handle components to prevent damage to surfaces and
edges, and to prevent distortion and other physical
damage.
1.8 PROJECT/SITE CONDITIONS
A. Begin system installations only after spaces are enclosed
and weathertight, and after all wet work and overhead
work have been completed.
B. Before starting installations, allow materials to reach
ambient room temperature and humidity intended to be
maintained for occupancy.
NOTE ** In the paragraph below, insert specific project
conditions that will affect work of this section.
If none, delete paragraph.
C. Existing Conditions:
1. ______________________________________.
2. ______________________________________.
1.9 EXTRA MAINTENANCE MATERIALS
A. Furnish matching replacement units in manufacturer's
original packages, clearly labeled.
NOTE ** Select from subparagraphs below as applicable to
the project.
1. 1 percent of each type installed on the Project.
2. ____ percent of each type installed on the Project.
B. Deliver extra materials and access tools to Owner's
representative.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Hunter Douglas Architectural
Products, Inc., 5015 Oakbrook Parkway, Suite 100,
Norcross, GA 30093; ASD. Tel: (800) 366-4327
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
NOTE ** Delete paragraph above or below; coordinate with
Division 1 requirements.
C. Substitutions: Not permitted.
D. Provide all wide panel metal ceiling systems from a
single manufacturer.
2.2 CEILING PANEL MATERIALS
NOTE ** Select panel type(s) from two paragraphs below as
applicable to the project.
A. Wide Panel, Type 300C: Fabricated to provide a beveled
edge joint between panels when installed with suspension
system specified.
NOTE ** Select material and face from the following
subparagraphs; delete those not required for the
project.
1. Material: Roll-formed aluminum, 0.028 inch (0.7 mm)
thick, 11.811 inches (300 mm) wide.
2. Material: Galvanized steel, 0.024 inch (0.6 mm)
thick, 11.811 inches (300 mm) wide.
3. Face: Perforated.
a. Non-woven blanket.
b. Acoustic blanket.
c. Non-woven blanket and acoustic blanket.
4. Face: Solid, non-perforated.
B. Wide Panel, Type 300A: Fabricated to provide a 0.39 inch
(10 mm) wide by 1.25 inch (31 mm) deep recessed joint
between panels when attached to carriers.
NOTE ** Select material and face from the following
subparagraphs; delete those not required for the
project.
1. Material: Roll-formed aluminum, 0.028 inch (0.7 mm)
thick, 11.417 inches (290 mm) wide.
2. Material: Galvanized steel, 0.024 inch (0.6 mm)
thick, 11.417 inches (290 mm) wide.
3. Face: Perforated.
a. Non-woven blanket.
b. Acoustic blanket.
c. Non-woven blanket and acoustic blanket.
4. Face: Solid, non-perforated.
NOTE ** Insert length below from manufacturer's standard
lengths of 3 feet 4 inches (1 m) minimum up to 19
feet 8 inches (6 m) maximum.
C. Panel Length: ___ feet ____ inches (_____ m).
NOTE ** Select either non-perforated or perforated style
below; for perforated, select perforation pattern
as required for the project.
D. Panel Style: Non-perforated.
E. Panel Style: Perforated.
1. Pattern: 0.06 inch (1.5 mm) diameter by 0.12 (3 mm)
staggered centers (23 percent open area).
2. Pattern: 0.08 inch (2.0 mm) diameter by 0.20 (5 mm)
staggered centers (15 percent open area).
F. Panel Finish:
NOTE ** Select one or more finishes as required for the
project from the following subparagraphs.
1. Interior: Tone White.
2. Interior: Gloss White.
3. Interior: Polar White.
4. Interior: Cotton White.
5. Interior: Ivory.
6. Interior: Elephant Gray.
7. Interior: Bright Silver.
8. Interior: Natural.
9. Exterior Non-Perforated: Lighthouse White.
10. Exterior Non-Perforated: Pure White.
11. Exterior Non-Perforated: Natural.
2.3 SUSPENSION SYSTEM MATERIALS
NOTE ** Select appropriate suspension system from the four
paragraphs below. Only the suspension system in
the first paragraph is acceptable for Type 300A
panels; 300C panels may utilize any of the four.
A. Concealed Carrier Suspension System: Formed, inverted V-
shaped 2.45 inches (62 mm) high carrier sections; pre-
punch carrier sections that are to receive ceiling
panels, with prongs for snap attachment and support of
panel side edges.
NOTE ** Select material(s) from the following two
subparagraphs. Only aluminum carrier system in the
subparagraph below is approved for exterior
installations.
1. Material: 0.040 inch (0.95 mm) thick roll-formed
aluminum.
2. Material: 0.040 inch (0.95 mm) thick galvanized
steel.
3. Provide manufacturer's standard metal carrier
suspension system components, including splices,
connector wire clips, hanger rods and adjustment
springs, PVC closing pieces, and trim for panel end
attachment to wall.
B. Exposed Lay-On Suspension System: Formed exposed,
inverted T-shaped galvanized steel sections with flanges
to receive and support ends of ceiling panels.
1. Provide manufacturer's standard metal inverted T-bar
suspension system components, including splices,
connectors, hanger wire, or hanger rods and
adjustment springs, and edge trim.
C. Concealed Clip-In Suspension System: 1-1/2 inch (38 mm)
deep, 16 gage (1.5 mm) galvanized steel "C" channel
primary runners with manufacturer's cross connector
clamps, to which are attached secondary inverted V-shaped
formed clip-in style galvanized steel runners 1-1/2 inch
(38 mm) high, 0.024 inch (0.6 mm) thick to receive the
ceiling panels.
1. Provide manufacturer's standard metal clip-in
suspension system components, including runner and
rail splices and connectors, wall and ceiling
brackets, locking clips, hanger rods and adjustment
springs, and edge trim.
D. Exposed C-Grid Suspension System: Formed L-shaped
crossbrace members and flat laid, exposed C-shaped
galvanized steel runner sections, 0.049 inch (1.25 mm)
thick, 3.937 inches (100 mm) wide, 1.181 inches (30 mm)
high, to receive lay-on ceiling panels.
NOTE ** Select grid shape from the following two
subparagraphs.
1. Grid Shape: Parallel.
2. Grid Shape: Square.
3. Provide manufacturer's standard metal C-grid
suspension system components, including grid splices,
suspension hanger members, grid suspension shoes and
hanger lug sections, wall support brackets, locking
clips, and C-grid cross connectors.
NOTE ** Retain the following paragraph if required. Verify
and insert proper sizes required to comply with
governing codes, as designed by a registered
structural engineer.
E. Seismic Struts: _________________________________.
2.4 ACCESSORY MATERIALS
NOTE ** Select edge trim from the following two paragraphs.
A. Edge Trim: Manufacturer's standard aluminum edge trim
moldings.
NOTE ** Select profile from the following two
subparagraphs.
1. L-shaped profile.
2. Reveal shaped profile.
B. Edge Trim: Manufacturer's standard steel edge trim
moldings.
NOTE ** Select profile from the following two
subparagraphs.
1. L-shaped profile.
2. Reveal shaped profile.
C. Acoustical Material: Black finish, no surface printing.
NOTE ** Retain one or both of the following two
subparagraphs as required for the project.
1. Blankets: Minimum 1 inch (25 mm) thick, 1-1/2 pcf
(24.03 kg per cubic m) fiberglass batts.
2. Non-Woven Acoustic Tissue: 0.008 inch (0.2 mm)
thick.
NOTE ** Delete the following subparagraph if perforated
panels are not specified.
3. NRC Rating: Not less than 0.70 for in-place material
over perforated metal ceiling panels.
D. Air Distribution Devices: Independently suspended,
relocatable, adjustable from below finished ceiling,
capable of being fully integrated with ceiling system.
E. Lighting Fixtures: Capable of being fully integrated
with ceiling system and requiring no interruption of
ceiling components, independently suspended and as
selected to conform to lighting criteria specified in
Division 16.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine areas receiving wide panel metal ceiling system
for conditions that might adversely affect the
installation.
B. Verify that all work above ceiling system has been
satisfactorily completed prior to start of ceiling
installations.
C. Do not start ceiling installations until all
unsatisfactory conditions affecting ceiling systems have
been corrected.
3.2 PREPARATION
A. Provide layouts for inserts, clips, and other support
items required to be installed by other trades. Furnish
inserts, clips, and related items to other trades in a
timely manner to preclude construction delays.
B. Coordinate with other trades for proper installation of
inserts and related items.
C. Verify ceiling layouts by actual field measurements.
1. Establish ceiling layout to balance borders and
minimize out-of-square conditions. Coordinate all
work that penetrates ceiling panels.
3.3 INSTALLATION
A. Install wide panel metal ceiling system in accordance
with manufacturer's printed installation instructions,
submittals, applicable industry standards, and governing
regulatory requirements for the work.
B. Suspension System:
1. Comply with requirements of ASTM C 636.
2. Support hangers securely from building structure
using hanger rods or wires directly attached to
structure, or to inserts or other devices with eye-
screws, by looping and wire-tying.
NOTE ** Retain paragraph below if seismic/uplift struts are
required.
C. Install seismic struts at exterior locations, spacings to
comply with structural requirements of governing codes.
NOTE ** Retain paragraph below if required for the project.
D. Install acoustical material above ceiling panels to
comply with manufacturer's instructions.
E. Install ceiling panels and trim pieces with neat, tight
joints and to comply with approved details.
1. Cut panels as necessary to fit at borders and other
penetrations; install panel splices to comply with
manufacturer's instructions.
2. Install end trim and edge molding trim at perimeter
of wide panel metal ceiling system and at other
locations where required to conceal edges of ceiling.
F. Install air distribution devices and lighting fixtures at
indicated locations.
1. Support devices and fixtures from building structure
above, independent from ceiling suspension system.
3.4 ADJUSTING AND CLEANING
A. Adjust components to provide uniform tolerances.
B. Replace all ceiling panels that are scratched, dented, or
otherwise damaged.
C. Clean exposed surfaces with non-solvent, non-abrasive
commercial type cleaner.
END OF SECTION