HomeMy WebLinkAbout09-5113-Acoustical-Panel-Ceilings-(Part-of-FSB-09-0003)_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021
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ACOUSTICAL PANEL CEILINGS
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SECTION 09 5113
ACOUSTICAL PANEL CEILINGS
(Part of Filed Sub-Bid Section 09 0003 - Acoustical Tile)
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Work Included: Provide labor, materials and equipment necessary to complete the work of this
Section, including but not limited to the following:
1. Acoustical panels and exposed suspension systems for interior ceilings.
2. Extruded-aluminum edge moldings and trim.
3. Other items indicated on Drawings as Work of this Section.
B. Related Requirements:
1. Section 01 8113 “Sustainable Design Requirements” for general requirements and
procedures for compliance with certain USGBC LEED prerequisites and credits.
2. Section 09 5446 “Acoustical Metal Pan Ceilings” for acoustical metal pans and
suspension systems for interior ceilings.
3. Section 09 5163 “Seamless Acoustical Ceiling Systems" for seamless acoustical ceiling
system including concealed grid suspension system.
4. Section 09 5425 “Linear Plastic Ceilings” for linear plastic (PVC) ceiling strips and
suspension systems for exterior ceilings.
5. Section 09 5426 “Suspended Wood Ceilings.”
6. Section 09 5456 “Formed Felt Fabric Ceiling Panels” for shop-fabricated, felt fiber ceiling
panels (blades).
7. Division 21 Sections "Fire Protection" for ceiling mounted sprinkler heads.
8. Division 23 Sections "Heating, Ventilating and Air-Conditioning" for ceiling mounted
registers and grilles.
9. Division 26 Sections "Electrical" for ceiling mounted light fixtures.
1.3 PREINSTALLATION MEETINGS
A. Preinstallation Conference: Conduct conference at Project site.
1.4 ACTION SUBMITTALS
A. Make Submittals in accordance with Section 01 3300 “Submittal Procedures.”
B. Product Data: For each type of product.
C. Sustainable Design Submittals:
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1. Environmental Product Declaration (EPD): Provide manufacturers’ product
documentation for each product having an Environmental Product Declaration (EPD).
a. Documentation should confirm EPD conforms with ISO 14205 EN 15804 or ISO
21930.
b. EPD shall have at least Cradle to Gate scope.
c. Complete "LEED Materials Documentation Sheet" with MRc2 information for each
product having an EPD.
2. Recycled Content: Provide manufacturers’ product documentation that includes recycled
content claims for the products contributing towards compliance. Claims must conform to
the definition in ISO 14021-1999, Environmental Labels and Declarations, Self-Declared
Environmental Claims.
a. Complete "LEED Materials Documentation Sheet" with MRc3 Option 2 information
for products with recycled content installed in the building.
3. Health Product Declaration (HPD): Provide manufacturers’ product documentation for
each product having a publically available material inventory down to at least 0.1 percent
or 1000 ppm.
a. Documentation should be in the form of one of the following:
1) A publically available inventory of all ingredients identified by name and
Chemical Abstract Service Registration Number (CASRN).
2) A published, complete Health Product Declaration in compliance with the
Health Product Declaration open Standard.
3) Material Health Certificate or Cradle to Cradle Certification under standard
version 3 or later with a Material Health Achievement level at the Bronze
level or higher.
4) A Declare product label indicating that all ingredients have been evaluated
and disclosed down to 1000 ppm.
5) Cradle to Cradle Material Health Certificate at the Bronze Level or higher.
b. Complete "LEED Materials Documentation Sheet" with MRc2 information for each
product having an EPD.
4. Ceilings: Provide manufacturers' or third-party certification of testing to and compliance
with the California Department of Public Health (CDPH) Standard method v1.2-2017 that
includes the following information:
a. The exposure scenario used to determine compliance.
b. The range of total VOCs after 14 days, measured as specified in the CDPH
Standard Method v1.2:
1) 0.5 mg/m^3 or less;
2) Between 0.5 and 5.0 mg/m^3; or
3) 5.0 mg/m^3 or more.
c. Laboratory accreditation under ISO/IEC 17025.
d. Claims of compliance for wet-applied products must state the amount applied in
mass per surface area.
e. Complete "LEED Materials Documentation Sheet" with IEQc2 information for
ceilings, walls, thermal and acoustical insulation products installed within the
waterproofing membrane.
D. Samples for Verification: For each component indicated and for each exposed finish required,
First option in "Acoustical Panels" Subparagraph below may be impractical for large panels.
1. Acoustical Panels: Set of 12-inch- square Samples of each type, color, pattern, and
texture.
2. Exposed Suspension-System Members, Moldings, and Trim: Set of 6-inch- long
Samples of each type, finish, and color.
3. Clips: Full-size seismic clips.
E. Delegated-Design Submittal: For seismic restraints for ceiling systems.
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1. Include design calculations for seismic restraints including analysis data signed and
sealed by the qualified professional engineer responsible for their preparation.
1.5 INFORMATIONAL SUBMITTALS
A. Coordination Drawings: Reflected ceiling plans, drawn to scale, on which the following items
are shown and coordinated with each other, using input from installers of the items involved:
1. Ceiling suspension-system members.
2. Structural members to which suspension systems will be attached.
3. Method of attaching hangers to building structure.
4. Carrying channels or other supplemental support for hanger-wire attachment where
conditions do not permit installation of hanger wires at required spacing.
5. Size and location of initial access modules for acoustical panels.
6. Items penetrating finished ceiling and ceiling-mounted items including the following:
a. Lighting fixtures.
b. Diffusers.
c. Grilles.
d. Speakers.
e. Sprinklers.
f. Access panels.
g. Perimeter moldings.
7. Show operation of hinged and sliding components covered by or adjacent to acoustical
panels.
8. Minimum Drawing Scale: 1/8 inch = 1 foot.
B. Product Test Reports: For each acoustical panel ceiling, for tests performed by manufacturer
and witnessed by a qualified testing agency.
C. Evaluation Reports: For each acoustical panel ceiling suspension system, from ICC-ES.
1.6 CLOSEOUT SUBMITTALS
A. Maintenance Data: For finishes to include in maintenance manuals.
1.7 MAINTENANCE MATERIAL SUBMITTALS
A. Furnish extra materials, from the same product run, that match products installed and that are
packaged with protective covering for storage and identified with labels describing contents.
1. Acoustical Ceiling Units: Full-size panels equal to 2 percent of quantity installed.
2. Suspension-System Components: Quantity of each exposed component equal to 2
percent of quantity installed.
1.8 QUALITY ASSURANCE
A. Mockups: Build mockups to verify selections made under Sample submittals, to demonstrate
aesthetic effects, and to set quality standards for materials and execution.
1. Build mockup of typical ceiling area as shown on Drawings.
2. Approval of mockups does not constitute approval of deviations from the Contract
Documents contained in mockups unless Architect specifically approves such deviations
in writing.
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3. Subject to compliance with requirements, approved mockups may become part of the
completed Work if undisturbed at time of Substantial Completion.
1.9 DELIVERY, STORAGE, AND HANDLING
A. Deliver acoustical panels, suspension-system components, and accessories to Project site and
store them in a fully enclosed, conditioned space where they will be protected against damage
from moisture, humidity, temperature extremes, direct sunlight, surface contamination, and
other causes.
B. Before installing acoustical panels, permit them to reach room temperature and a stabilized
moisture content.
C. Handle acoustical panels carefully to avoid chipping edges or damaging units.
1.10 FIELD CONDITIONS
A. Environmental Limitations: Do not install acoustical panel ceilings until spaces are enclosed
and weathertight, wet-work in spaces is complete and dry, work above ceilings is complete, and
ambient temperature and humidity conditions are maintained at the levels indicated for Project
when occupied for its intended use.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, manufacturers offering products that
may be incorporated into the Work include, but are not limited to the following or equal:
1. Armstrong World Industries, Inc.
2. CertainTeed Corp.
3. USG Interiors, Inc.; Subsidiary of USG Corporation.
B. Source Limitations: Obtain each type of acoustical ceiling panel and its supporting suspension
system from single source from single manufacturer.
2.2 LEED REQUIREMENTS
A. Environmental Product Declaration (EPD): Provide products with Third Party Environmental
Product Declaration (EPD) whenever available.
B. Recycled Content: Provide products with the maximum recycled content possible. Minimum
recycled content 20 percent.
C. Health Product Declaration (HPD): Provide products with publically available material
inventories whenever available.
D. Ceilings: Ceiling, must be tested and determined compliant in accordance with California
Department of Public Health (CDPH) Standard Method v1.2-2017, using the applicable
exposure scenario. The default scenario if the private office scenario.
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2.3 PERFORMANCE REQUIREMENTS
A. Delegated Design: Engage a qualified professional engineer, as defined in Section 01 4000
"Quality Requirements," to design seismic restraints for ceiling systems.
B. Seismic Performance: Suspended ceilings shall withstand the effects of earthquake motions
determined according to ASCE/SEI 7.
C. Surface-Burning Characteristics: Comply with ASTM E 84; testing by a qualified testing agency.
Identify products with appropriate markings of applicable testing agency.
1. Flame-Spread Index: Class A according to ASTM E 1264.
2. Smoke-Developed Index: 450 or less.
2.4 ACOUSTICAL PANELS
A. Acoustical Panel Standard: Provide manufacturer's standard panels according to ASTM E 1264
and designated by type, form, pattern, acoustical rating, and light reflectance unless otherwise
indicated.
2.5 ACOUSTICAL PANELS
A. Acoustical Lay-In Panels: Refer to the Reflective Ceiling Plans for locations of acoustical ceiling
panels listed.
1. Ceiling Type ACT-1.1:
a. Basis of Design Product: Armstrong World Industries, Inc.; ULTIMA High NRC,
Item No. 1944.
b. Size: 24 by 48 by 7/8 inch.
c. Core Composition: Mineral fiber, wet-formed.
d. Edge Detail: Beveled tegular.
e. NRC: 0.80.
f. CAC: Minimum 35
g. AC: Minimum 170.
h. Light Reflectance: LR 0.88.
i. Color: White.
j. Warranty: 30 years against visible sag, mold/mildew and bacteria.
k. Suspension System: Narrow-face (9/16 inch), capped, double-web, steel
suspension system.
2. Ceiling Type ACT-1.2:
a. Basis of Design Product: Armstrong World Industries, Inc.; ULTIMA Health Zone
High NRC, Item No. 1448.
b. Size: 24 by 48 by 7/8 inch.
c. Core Composition: Mineral fiber, wet-formed.
d. Edge Detail: Square.
e. NRC: 0.80.
f. CAC: Minimum 35.
g. Light Reflectance: LR 0.86.
h. Color: White.
i. Warranty: 30 years against visible sag, mold/mildew and bacteria.
j. Suspension System: Narrow-face (9/16 inch), capped, double-web, steel
suspension system.
3. Ceiling Type ACT-1.3:
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a. Basis of Design Product: Armstrong World Industries, Inc.; ULTIMA High NRC,
Item No. 1437
b. Size: 24 by 72 by 7/8 inch.
c. Core Composition: Mineral fiber, wet-formed.
d. Edge Detail: Beveled tegular.
e. NRC: 0.80.
f. CAC: Minimum 35
g. AC: Minimum 170.
h. Light Reflectance: LR 0.88.
i. Color: White.
j. Warranty: 30 years against visible sag, mold/mildew and bacteria.
k. Suspension System: Narrow-face (9/16 inch), capped, double-web, steel
suspension system.
4. Ceiling Type ACT-1.5:
a. Basis of Design Product: Armstrong World Industries, Inc.; CIRRUS Second
Look III, Item No. 514.
b. Size: 24 by 48 by 3/4 inch.
c. Core Composition: Mineral fiber, wet-formed.
d. Edge Detail: Beveled tegular.
e. NRC: 0.65.
f. CAC: Minimum 35
g. Light Reflectance: LR 0.85.
h. Color: White.
i. Warranty: 10 years against visible sag, mold/mildew and bacteria.
j. Suspension System: Narrow-face (9/16 inch), capped, double-web, steel
suspension system.
5. Ceiling Type ACT-1.6:
a. Basis of Design Product: Armstrong World Industries, Inc.; ULTIMA High NRC,
Item No. 1942
b. Size: 24 by 24 by 7/8 inch.
c. Core Composition: Mineral fiber, wet-formed.
d. Edge Detail: Beveled tegular.
e. NRC: 0.80.
f. CAC: Minimum 35
g. AC: Minimum 170.
h. Light Reflectance: LR 0.88.
i. Color: White.
j. Warranty: 30 years against visible sag, mold/mildew and bacteria.
k. Suspension System: Narrow-face (9/16 inch), capped, double-web, steel
suspension system.
2.6 METAL SUSPENSION SYSTEM
A. Metal Suspension-System Standard: Provide manufacturer's standard, direct-hung, metal
suspension system and accessories according to ASTM C 635/C 635M and designated by type,
structural classification, and finish indicated.
B. Narrow-Face, Capped, Double-Web, Steel Suspension System: Main and cross runners roll
formed from cold-rolled steel sheet; prepainted, electrolytically zinc coated, or hot-dip
galvanized, G30 coating designation; with prefinished 9/16-inch- wide metal caps on flanges.
1. Structural Classification: Heavy-duty system.
2. End Condition of Cross Runners: Override (stepped) or butt-edge type.
3. Face Design: Flat, flush.
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4. Cap Material: Cold-rolled steel.
5. Cap Finish: Painted white.
6. Basis-of-Design Product: Armstrong Suprafine or equal.
2.7 ACCESSORIES
A. Attachment Devices: Size for five times the design load indicated in ASTM C 635/C 635M,
Table 1, "Direct Hung," unless otherwise indicated. Comply with seismic design requirements.
B. Wire Hangers, Braces, and Ties: Provide wires as follows:
1. Zinc-Coated, Carbon-Steel Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft
temper.
2. Size: Wire diameter sufficient for its stress at three times hanger design load
(ASTM C 635/C 635M, Table 1, "Direct Hung") will be less than yield stress of wire, but
not less than 0.106-inch-diameter wire.
C. Seismic Struts: Manufacturer's standard compression struts designed to accommodate seismic
forces.
2.8 METAL EDGE MOLDINGS AND TRIM
A. Roll-Formed, Sheet-Metal Edge Moldings and Trim: Type and profile indicated or, if not
indicated, manufacturer's standard moldings for edges and penetrations that comply with
seismic design requirements; formed from sheet metal of same material, finish, and color as
that used for exposed flanges of suspension-system runners.
1. Edge moldings shall fit acoustical panel edge details and suspension systems indicated
and match width and configuration of exposed runners unless otherwise indicated.
2. For lay-in panels with reveal edge details, provide stepped edge molding that forms
reveal of same depth and width as that formed between edge of panel and flange at
exposed suspension member.
a. Basis-of-Design Product: Armstrong Shadow Molding, Item No. 7873 or equal.
3. For circular penetrations of ceiling, provide edge moldings fabricated to diameter required
to fit penetration exactly.
B. Extruded-Aluminum Edge Moldings and Trim: Where indicated, provide extruded-aluminum
edge moldings and trim of profile indicated or referenced by manufacturer's designations,
including splice plates, corner pieces, and attachment and other clips, complying with seismic
design requirements.
1. Basis-of-Design Products: Subject to compliance with requirements, provide the
following products or equal:
a. Armstrong Axiom-Classic Custom Perimeter Trim for use at exposed edge of
ceiling grids.
2. Baked-Enamel or Powder-Coat Finish: Minimum dry film thickness of 1.5 mils. Comply
with ASTM C 635/C 635M and coating manufacturer's written instructions for cleaning,
conversion coating, and applying and baking finish.
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PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, including structural framing to which acoustical
panel ceilings attach or abut, with Installer present, for compliance with requirements specified
in this and other Sections that affect ceiling installation and anchorage and with requirements
for installation tolerances and other conditions affecting performance of acoustical panel
ceilings.
B. Examine acoustical panels before installation. Reject acoustical panels that are wet, moisture
damaged, or mold damaged.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 PREPARATION
A. Measure each ceiling area and establish layout of acoustical panels to balance border widths at
opposite edges of each ceiling. Avoid using less-than-half-width panels at borders unless
otherwise indicated, and comply with layout shown on reflected ceiling plans.
B. Layout openings for penetrations centered on the penetrating items.
3.3 INSTALLATION
A. Install acoustical panel ceilings according to ASTM C 636/C 636M, seismic design
requirements, and manufacturer's written instructions.
B. Suspend ceiling hangers from building's structural members and as follows:
1. Install hangers plumb and free from contact with insulation or other objects within ceiling
plenum that are not part of supporting structure or of ceiling suspension system.
2. Splay hangers only where required to miss obstructions; offset resulting horizontal forces
by bracing, countersplaying, or other equally effective means.
3. Where width of ducts and other construction within ceiling plenum produces hanger
spacings that interfere with location of hangers at spacings required to support standard
suspension-system members, install supplemental suspension members and hangers in
form of trapezes or equivalent devices.
4. Secure wire hangers to ceiling-suspension members and to supports above with a
minimum of three tight turns. Connect hangers directly to structure or to inserts, eye
screws, or other devices that are secure and appropriate for substrate and that will not
deteriorate or otherwise fail due to age, corrosion, or elevated temperatures.
5. Do not support ceilings directly from permanent metal forms or floor deck. Fasten
hangers to cast-in-place hanger inserts, postinstalled mechanical or adhesive anchors, or
power-actuated fasteners that extend through forms into concrete.
6. When steel framing does not permit installation of hanger wires at spacing required,
install carrying channels or other supplemental support for attachment of hanger wires.
7. Do not attach hangers to steel deck tabs.
8. Do not attach hangers to steel roof deck. Attach hangers to structural members.
9. Space hangers not more than 48 inches o.c. along each member supported directly from
hangers unless otherwise indicated; provide hangers not more than 8 inches from ends
of each member.
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10. Size supplemental suspension members and hangers to support ceiling loads within
performance limits established by referenced standards.
C. Install edge moldings and trim of type indicated at perimeter of acoustical ceiling area and
where necessary to conceal edges of acoustical panels.
1. Screw attach moldings to substrate at intervals not more than 16 inches o.c. and not
more than 3 inches from ends. Miter corners accurately and connect securely.
2. Do not use exposed fasteners, including pop rivets, on moldings and trim.
D. Install suspension-system runners so they are square and securely interlocked with one
another. Remove and replace dented, bent, or kinked members.
E. Install acoustical panels with undamaged edges and fit accurately into suspension-system
runners and edge moldings. Scribe and cut panels at borders and penetrations to provide
precise fit.
1. For square-edged panels, install panels with edges fully hidden from view by flanges of
suspension-system runners and moldings.
2. For reveal-edged panels on suspension-system runners, install panels with bottom of
reveal in firm contact with top surface of runner flanges.
3. For reveal-edged panels on suspension-system members with box-shaped flanges,
install panels with reveal surfaces in firm contact with suspension-system surfaces and
panel faces flush with bottom face of runners.
4. Paint cut edges of panel remaining exposed after installation; match color of exposed
panel surfaces using coating recommended in writing for this purpose by acoustical panel
manufacturer.
5. Cutting Reveal-Edged Panels: After cutting reveal-edged panels, route cut edge to
match factory reveal-edge profile. Paint cut edges of panel remaining exposed after
installation; match color of exposed panel surfaces using coating recommended in writing
for this purpose by acoustical panel manufacturer.
6. Install seismic clips in areas indicated; space according to panel manufacturer's written
instructions unless otherwise indicated.
3.4 ERECTION TOLERANCES
A. Suspended Ceilings: Install main and cross runners level to a tolerance of 1/8 inch in 12 feet,
non-cumulative.
B. Moldings and Trim: Install moldings and trim to substrate and level with ceiling suspension
system to a tolerance of 1/8 inch in 12 feet, non-cumulative.
3.5 FIELD QUALITY CONTROL
A. Special Inspections: Owner will engage a qualified special inspector to perform the following
special inspections:
1. Periodic inspection during the installation of suspended ceiling grids according to
ASCE/SEI 7.
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3.6 CLEANING
A. Clean exposed surfaces of acoustical panel ceilings, including trim, edge moldings, and
suspension-system members. Comply with manufacturer's written instructions for cleaning and
touchup of minor finish damage.
B. Remove and replace ceiling components that cannot be successfully cleaned and repaired to
permanently eliminate evidence of damage.
END OF SECTION