ࡱ> m bjbj:: EX\X\%ll  80!|! 74fH"####"%%,%3333333$5S83 %"%"%%%3 ##43'''% # #2'%3''R/D1#Ri&j0240741BK9&K9<D1K9 D1%%'%%%%%33'%%%74%%%%K9%%%%%%%%%l> : SECTION 095113 - ACOUSTICAL PANEL CEILINGS Maintain Section format, including the UH master spec designation and version date in bold in the center columns of the header and footer. Complete the header and footer with Project information. Edit and finalize this Section, where prompted by Editors notes, to suit Project specific requirements. Make selections for the Project at text identified in bold. This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions. Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed. Delete hidden text after this Section has been edited for the Project. GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section. The Contractor's attention is specifically directed, but not limited, to the following documents for additional requirements: The current version of the Uniform General Conditions for Construction Contracts, State of Texas, available on the web site of the Texas Facilities Commission. The 91Ƶs Supplemental General Conditions and Special Conditions for Construction. SUMMARY Section includes acoustical panels and exposed suspension systems for ceilings. Products furnished, but not installed under this Section, include anchors, clips, and other ceiling attachment devices to be cast in concrete. DEFINITIONS AC: Articulation Class. CAC: Ceiling Attenuation Class. LR: Light Reflectance coefficient. NRC: Noise Reduction Coefficient ACTION SUBMITTALS Product Data: For each type of product. Retain paragraph and associated subparagraphs below if Project is to be LEED v4 certified. LEED Action Submittals (Projects authorized for LEED certification only): Building Product Disclosure and Optimization - Sourcing of Raw Materials: Leadership Extraction Practices Extended Producer Responsibility (EPR): Submit documentation indicating that manufacturers have a take back or recycling program for the product purchased. Bio-Based Materials: Meeting the sustainable Agriculture Network's Sustainable Agriculture Standard and tested per ASTM D6866. Wood Products: Certified by Forest Stewardship Council or USGBC approved equivalent. Recycled Content: For products having recycled content, indicate percentages by weight of post-consumer and pre-consumer recycled content. Include statement indicating costs for each product having recycled content. Sourcing of Raw Materials: For products that are required to comply with requirements for regional materials, indicating location of material manufacturer and point of extraction, harvest, or recovery for each raw material. Include statement indicating distance to Project, cost for each regional material and the fraction by weight that is considered regional. Product Certificates: For materials manufactured within 100 miles of Project, indicating location of material manufacturer and point of extraction, harvest, or recovery for each raw material. Include distance to Project and cost for each raw material Indoor Environmental Quality, Low Emitting Materials: Building Products must be tested and compliant with the California Department of Public-Health (CDPH) Standard Method V1.1-2010, using the applicable exposure scenario. Paints, and Coatings: For wet applied on site products, include printed statement of VOC content, showing compliance with the applicable VOC limits of the California Air Resources Board (CARB) 2007, Suggested Control Measure (SCM) for Architectural Coatings, or the South Coast Air Quality Management District (SCAQMD) Rule 1113, effective June 3,-2011. Adhesives and Sealants: For wet applied on site products, submit printed statement showing compliance with the applicable chemical content requirements of SCAQMD Rule 1168, effective July 1, 2005 and rule amendment date of January 7, 2005. Alternative tests for VOC above include ASTM D2369-10; ISO 11890 part 1; ASTM D6886-03; or ISO 11890-2. Methylene Chloride and perchloroethylene may not be added to paints, coating, adhesive or sealants. Laboratory Test Reports: For installation adhesives indicating compliance with requirements for low-emitting materials. Retain "Samples" Paragraph below for single-stage Samples, with a subordinate list if applicable. Retain "Samples for Initial Selection" and "Samples for Verification" paragraphs for two-stage Samples. Samples: For each exposed product and for each color and texture specified, 6 inches (150mm) in size. Samples for Initial Selection: For components with factory-applied color finishes. Samples for Verification: For each component indicated and for each exposed finish required, prepared on Samples of size indicated below. Acoustical Panel: Set of 6-inch- (150-mm-) square Samples of each type, color, pattern, and texture. Exposed Suspension-System Members, Moldings, and Trim: Set of 6-inch- (150-mm-) long Samples of each type, finish, and color. INFORMATIONAL SUBMITTALS 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: Suspended ceiling components. Structural members to which suspension systems will be attached. Items penetrating finished ceiling including the following: Lighting fixtures. Air outlets and inlets. Speakers. Sprinklers. Perimeter moldings. Qualification Data: For testing agency. Product Test Reports: For each acoustical panel ceiling, for tests performed by a qualified testing agency. Retain paragraph and associated subparagraphs below if Project is to be LEED v4 certified. Informational LEED Submittals: Building Product Disclosure and Optimization - Environmental Product Declarations Submit product specific type III EPDs or Industry wide (generic) EPDs, USGBC approved program declaration or products with a publicly available, critically reviewed life-cycle assessment conforming to ISO 14044 that have at least a cradle to gate scope. Building Product Disclosure and Optimization - Sourcing of Raw Materials: Raw Material Sources and Extraction Reporting: Submit Raw materials supplier corporate Sustainability Reports (CSRs); documenting responsible extraction; including extraction locations, long term ecologically responsible land use, commitment to reducing environmental harms from extraction and manufacturing processes, and a commitment to meeting applicable standards or programs that address responsible sourcing criteria Submit manufacturers' self-declared reports Submit third party verified corporate sustainability reports (CSR) using one of the following frameworks: Global Reporting Initiative (GRI) Sustainability Report Organization for Economic Co-operation and Development (OECD) Guidelines for Multinational Enterprises UN Global Compact ISO 26000 USGBC approved program. Building Product Disclosure and Optimization - Material Ingredients Material Ingredient Optimization: Submit at least one of the following: GreenScreen V1.2 Benchmark: Third party report prepared by a licensed GreenScreen List Translator, or a full GreenScreen Assessment. Cradle to Cradle: Manufacturer's published literature for the product bearing the Cradle to Cradle logo, with gold or platinum certification. International Alternative Compliance Path - REACH Optimization Declare: Manufacturer's completed Product Declaration Form Other programs approved by USGBC Product Manufacturer Supply Chain Optimization: Submit documentation from manufacturers for products that go beyond material ingredient optimization as follows: Are sourced from product manufacturers who engage in validated and robust safety, health, hazard, and risk programs which at a minimum document at least 99% (by weight) of the ingredients used to make the building product or building material, and Are sourced from product manufacturers with independent third party verification of their supply chain that at a minimum verifies: Processes are in place to communicate and transparently prioritize chemical ingredients along the supply chain according to available hazard, exposure and use information to identify those that require more detailed evaluation Processes are in place to identify, document, and communicate information on health, safety and environmental characteristics of chemical ingredients Processes are in place to implement measures to manage the health, safety and environmental hazard and risk of chemical ingredients Processes are in place to optimize health, safety and environmental impacts when designing and improving chemical ingredients Processes are in place to communicate, receive and evaluate chemical ingredient safety and stewardship information along the supply chain Safety and stewardship information about the chemical ingredients is publicly available from all points along the supply chain. Evaluation Reports: For each acoustical panel ceiling suspension systemand anchor and fastener type, from ICC-ES. Field quality-control reports. CLOSEOUT SUBMITTALS Maintenance Data: For finishes to include in maintenance manuals. MAINTENANCE MATERIAL SUBMITTALS (ATTIC STOCK) Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. Acoustical Ceiling Panels: Full-size panels equal to 5 percent of quantity installed, rounded to the nearest full box. Suspension-System Components: Quantity of each exposed component equal to 5 percent of quantity installed. Hold-Down Clips: Equal to 5 percent of quantity installed. Impact Clips: Equal to 5 percent of quantity installed. Include Article below if Project has specialty ceilings or is critical enough to require mockups. Indicate location of mockups on Drawings as required. QUALITY ASSURANCE Mockups: Build mockups to verify selections made under Sample submittals, to demonstrate aesthetic effects, and to set quality standards for materials and execution. Build mockup of typical ceiling area as shown on Drawings. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless Architect specifically approves such deviations in writing. DELIVERY, STORAGE, AND HANDLING Deliver acoustical panels, suspension-system components, and accessories to Project site in original, unopened packages 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. Before installing acoustical panels, permit them to reach room temperature and a stabilized moisture content. Handle acoustical panels carefully to avoid chipping edges or damaging units in any way. FIELD CONDITIONS Environmental Limitations: Do not install acoustical panel ceilings until spaces are enclosed and weatherproof, 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. "Pressurized Plenums" subparagraph below is according to CISCA's recommendations for cleaning duct system and protecting ceiling units in pressurized plenums from damage and soiling caused by blowing dirt and dust that may be present when duct system is first operated. Pressurized Plenums: Operate ventilation system for not less than 48 hours before beginning acoustical panel ceiling installation. PRODUCTS PERFORMANCE REQUIREMENTS Surface-Burning Characteristics: Comply with ASTME84; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. Flame-Spread Index: Comply with ASTME1264 for ClassA materials. Smoke-Developed Index: 50 or less. Retain "Fire-Resistance Ratings" Paragraph below only if products specified are part of a fire-resistance-rated assembly. Indicate rating, testing agency, and testing agency's design designation on Drawings. Fire-Resistance Ratings: Comply with ASTME119; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. Indicate design designations from UL's "Fire Resistance Directory" or from the listings of another qualified testing agency. In areas where gypsum board partitions are dependent on metal suspension systems for lateral support, design and install suspension system components to sustain the imposed load from the completed partition system including a minimum positive and negative pressure of 5 lbf/sq. ft. (239 Pa) normal to the plane of the wall. ACOUSTICAL PANELS, GENERAL Low-Emitting Materials: Acoustical panel ceilings shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers." Source Limitations: Acoustical Ceiling Panel: Obtain each type from single source from single manufacturer. Suspension System: Obtain each type from single source from single manufacturer. Glass-Fiber-Based Panels: Made with binder containing no urea formaldehyde. Acoustical Panel Standard: Provide manufacturer's standard panels of configuration indicated that comply with ASTME1264 classifications as designated by types, patterns, acoustical ratings, and light reflectances unless otherwise indicated. Mounting Method for Measuring NRC: TypeE-400; plenum mounting in which face of test specimen is 15-3/4 inches (400 mm) away from test surface according to ASTME795. Acoustical Panel Colors and Patterns: Match appearance characteristics indicated for each product type. For Projects with more than one type of acoustical panel copy the Article below, provide an unique designation consistent with that on the Drawings and list the basis-of-design product and its related physical attributes. ACOUSTICAL PANELS<: ACT-1> Verify with Owners representative that the basis-of-design product named in the Paragraph below is appropriate for the Project. HYPERLINK "http://www.specagent.com/LookUp/?ulid=344&mf=04&src=wd"Basis-of-Design ProductOffices, Classrooms, Conference Rooms, Corridors, Closed Spaces Subject to compliance with requirements, provide Armstrong World Industries, Inc. Ultima, Beveled Tegular 15/16, or comparable product by one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792923&mf=04&src=wd"CertainTeed Corp. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456815586&mf=04&src=wd"USG Interiors, Inc.; Subsidiary of USG Corporation. See Section 012500 Substitution Procedures. Do not assume that every combination of fire-resistance rating, classification, pattern, color, light reflectance, acoustical rating, edge detail, thickness, and size listed under each product description is available. Before retaining salient characteristics, verify availability with manufacturers. Retain option in "Classification" Paragraph below along with permitted fire-resistance-rated suspension system if fire-rated assembly is required for Project. Indicate rating, testing agency, and testing agency's design designation on Drawings. Classification: Provide[fire-resistance-rated] panels complying with ASTME1264 for type, form, and pattern as follows: Type and Form: TypeIV, mineral fiber base with membrane-faced overlay; Form2, cloth. Pattern: E(lightly textured). Color: White. Recycled Content: Not less than 85 percent. LR: Not less than 88 percent. NRC: Not less than 0.75. CAC: Not less than 35. AC: N/A. Edge/Joint Detail: Reveal sized to fit flange of exposed suspension-system members. Thickness: 3/4 inch (25 mm). Modular Size: 24 by 24 inches (610 by 610 mm) . Broad Spectrum Antimicrobial Fungicide and Bactericide Treatment: Provide acoustical panels treated with manufacturer's standard antimicrobial formulation that inhibits fungus, mold, mildew, and gram-positive and gram-negative bacteria and showing no mold, mildew, or bacterial growth when tested according to ASTMD3273 and evaluated according to ASTMD3274 or ASTMG21. ACOUSTICAL PANELS<: ACT-2> Verify with Owners representative that the basis-of-design product named in the Paragraph below is appropriate for the Project. HYPERLINK "http://www.specagent.com/LookUp/?ulid=344&mf=04&src=wd"Basis-of-Design ProductOpen Plan Areas: Subject to compliance with requirements, provide Armstrong World Industries, Inc. Optima, Square Tegular 15/16, or comparable product by one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792923&mf=04&src=wd"CertainTeed Corp. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456815586&mf=04&src=wd"USG Interiors, Inc.; Subsidiary of USG Corporation. See Section 012500 Substitution Procedures. Do not assume that every combination of fire-resistance rating, classification, pattern, color, light reflectance, acoustical rating, edge detail, thickness, and size listed under each product description is available. Before retaining salient characteristics, verify availability with manufacturers. Retain option in "Classification" Paragraph below along with permitted fire-resistance-rated suspension system if fire-rated assembly is required for Project. Indicate rating, testing agency, and testing agency's design designation on Drawings. Classification: Provide[fire-resistance-rated] panels complying with ASTME1264 for type, form, and pattern as follows: Type and Form: TypeIV, mineral fiber base with membrane-faced overlay; Form2, cloth. Pattern: E(lightly textured). Color: White. Recycled Content: Not less than 70 percent. LR: Not less than 88 percent. NRC: Not less than 0.90. CAC: Not less than 26. AC: Not less than 200. Edge/Joint Detail: Reveal sized to fit flange of exposed suspension-system members. Thickness: 1 inch (25 mm). Modular Size: 24 by 24 inches (610 by 610 mm) . Broad Spectrum Antimicrobial Fungicide and Bactericide Treatment: Provide acoustical panels treated with manufacturer's standard antimicrobial formulation that inhibits fungus, mold, mildew, and gram-positive and gram-negative bacteria and showing no mold, mildew, or bacterial growth when tested according to ASTMD3273 and evaluated according to ASTMD3274 or ASTMG21. METAL SUSPENSION SYSTEMS, GENERAL Recycled Content: Postconsumer recycled content plus one-half of preconsumer recycled content not less than 25 percent. Metal Suspension-System Standard: Provide manufacturer's standard direct-hung metal suspension systems of types, structural classifications, and finishes indicated that comply with applicable requirements in ASTMC635/C635M. Retain "High-Humidity Finish" Subparagraph below if required. Finish is generally applicable to hot-dip galvanized steel with G60 (Z180) or greater coating and aluminum systems with anodized finish. ASTMC635/C635M requires salt-spray testing and high-humidity testing. On Drawings, show where high-humidity finishes are required. High-Humidity Finish: Comply with ASTMC635/C635M requirements for "Coating Classification for Severe Environment Performance" where high-humidity finishes are indicated. Attachment Devices: Size for five times the design load indicated in ASTMC635/C635M, Table1, "Direct Hung," unless otherwise indicated. "Anchors in Concrete" Subparagraph below does not apply to power-actuated fasteners. Delete if no anchorage to concrete is required or if power-actuated fasteners are acceptable. Verify safety factor with Project's structural engineer. Revise testing methods below if required by authorities having jurisdiction. Anchors in Concrete: Anchors of type and material indicated below, with holes or loops for attaching hangers of type indicated and with capability to sustain, without failure, a load equal to [five] times that imposed by ceiling construction, as determined by testing according to ASTME488 or ASTME1512 as applicable, conducted by a qualified testing and inspecting agency. Retain an option in "Type" Subparagraph below; verify suitability with Project's structural engineer. Type: [Cast-in-place] [Postinstalled expansion] [Postinstalled bonded] anchors. Retain one of three "Corrosion Protection" subparagraphs below or, if more than one is required, indicate by inserting location of each on Drawings. Zinc plating of mild class indicated protects against corrosion from an indoor atmosphere with rare condensation and subject to minimum wear or abrasion; revise thickness to suit more corrosive conditions or use stainless steel or nickel-copper alloy, depending on conditions. If postinstalled expansion anchors are used to attach nickel-copper-alloy wire hangers and braces, consider retaining nickel-copper anchors after verifying availability with manufacturers. Corrosion Protection: Carbon-steel components zinc plated to comply with ASTMB633, Class Fe/Zn 5 (0.005 mm) for ClassSC1 service condition. Corrosion Protection: Stainless-steel components complying with ASTMF593 and ASTMF594, Group1 Alloy304 or 316 for bolts; Alloy304 or 316 for anchor. Corrosion Protection: Components fabricated from nickel-copper-alloy rods complying with ASTMB164 for UNSNo.N04400 alloy. Retain "Power-Actuated Fasteners in Concrete" Subparagraph below if power-actuated fasteners are allowed. Verify safety factor with Project's structural engineer. Power-Actuated Fasteners in Concrete: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with clips or other accessory devices for attaching hangers of type indicated and with capability to sustain, without failure, a load equal to [10] times that imposed by ceiling construction, as determined by testing according to ASTME1190, conducted by a qualified testing and inspecting agency. Wire Hangers, Braces, and Ties: Provide wires complying with the following requirements: Retain one of "Zinc-Coated, Carbon-Steel Wire," "Stainless-Steel Wire," or "Nickel-Copper-Alloy Wire" subparagraphs below unless more than one type of wire is required. If more than one type of wire is required, indicate location of each on Drawings. See Evaluations for discussion on corrosion resistance of hangers and fasteners. Revise hangers to strap type if required by authorities having jurisdiction or by local union regulations. Zinc-Coated, Carbon-Steel Wire: ASTMA641/A641M, Class1 zinc coating, soft temper. Stainless-Steel Wire: ASTMA580/A580M, Type304, nonmagnetic. Nickel-Copper-Alloy Wire: ASTMB164, nickel-copper-alloy UNSNo.N04400. Retain second option in "Size" Subparagraph below if required by authorities having jurisdiction or if desired for extra security and quality (including corrosion allowance). Because large sizes are difficult to work with, their use could result in poor leveling tolerance. Size: Select wire diameter so its stress at three times hanger design load (ASTMC635/C635M, Table1, "Direct Hung") will be less than yield stress of wire, but provide not less than [0.106-inch- (2.69-mm-)] [0.135-inch- (3.5-mm-)] diameter wire. Stabilizer Bars: Manufacturer's standard perimeter stabilizers designed to accommodate lateral forces. Hold-Down Clips: Where indicated, provide manufacturer's standard hold-down clips spaced 24 inches (610 mm) o.c. on all cross tees. Retain "Impact Clips" Paragraph below if required. Indicate location on Drawings or by inserts. Impact Clips: Where indicated, provide manufacturer's standard impact-clip system designed to absorb impact forces against acoustical panels. Retain "Clean-Room Gasket System" Paragraph below if required. Verify, with manufacturers, product availability and compatibility of gasket type with panels and suspension system specified. Indicate location on Drawings or by inserts. Clean-Room Gasket System: Where indicated, provide manufacturer's standard system, including [manufacturer's standard] [closed-cell PVC] [neoprene] [antimicrobial] gasket and related adhesives, tapes, seals, and retention clips, designed to seal out foreign material from and maintain positive pressure in clean room. METAL SUSPENSION SYSTEM Type 1 HYPERLINK "http://www.specagent.com/LookUp/?ulid=345&mf=04&src=wd"Basis-of-Design Product: Subject to compliance with requirements, provide Armstrong World Industries, Inc. Silhouette XL 1/8inch Reveal, or comparable product by one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792930&mf=04&src=wd"CertainTeed Corp. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456815587&mf=04&src=wd"USG Interiors, Inc.; Subsidiary of USG Corporation. Substitutions: See Section 012500 Substitution Procedures. Narrow-Face, Capped, Double-Web, Steel Suspension System: Main and cross runners roll formed from cold-rolled steel sheet; pre-painted, electrolytically zinc coated, or hot-dip galvanized according to ASTMA653/A653M, not less than G30 (Z90) coating designation; with prefinished 9/16-inch- (15-mm-) wide metal caps on flanges. Structural Classification: Heavy-duty system. End Condition of Cross Runners: butt-edge type. Face Design: Flanges formed with an integral center reveal. Cap Material: Steel cold-rolled sheet. Cap Finish: Painted white. METAL SUSPENSION SYSTEM Type 2 HYPERLINK "http://www.specagent.com/LookUp/?ulid=345&mf=04&src=wd"Basis-of-Design Product: Subject to compliance with requirements, provide Armstrong World Industries, Inc. Suprafine XL, or comparable product by one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792930&mf=04&src=wd"CertainTeed Corp. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456815587&mf=04&src=wd"USG Interiors, Inc.; Subsidiary of USG Corporation. Substitutions: See Section 012500 Substitution Procedures. Narrow-Face, Capped, Double-Web, Steel Suspension System: Main and cross runners roll formed from cold-rolled steel sheet; pre-painted, electrolytically zinc coated, or hot-dip galvanized according to ASTMA653/A653M, not less than G30 (Z90) coating designation; with prefinished 9/16-inch- (15-mm-) wide metal caps on flanges. Structural Classification: Heavy-duty system. End Condition of Cross Runners: butt-edge type. Face Design: Flat, flush. Cap Material: Steel cold-rolled sheet. Cap Finish: Painted white. METAL EDGE MOLDINGS AND TRIM Retain "Manufacturers" Paragraph and list of manufacturers below to require products from manufacturers listed or a comparable product from other manufacturers. Manufacturers: Subject to compliance with requirements, provide products by one of the following : HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792935&mf=04&src=wd"Armstrong World Industries, Inc. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456792937&mf=04&src=wd"CertainTeed Corp. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456815588&mf=04&src=wd"USG Interiors, Inc.; Subsidiary of USG Corporation. Substitutions: See Section 012500 Substitution Procedures. Roll-Formed, Sheet-Metal Edge Moldings and Trim: Type and profile indicated or, if not indicated, manufacturer's standard moldings for edges and penetrations; formed from sheet metal of same material, finish, and color as that used for exposed flanges of suspension-system runners. Provide manufacturer's standard edge moldings that fit acoustical panel edge details and suspension systems indicated and that match width and configuration of exposed runners unless otherwise indicated. 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. For circular penetrations of ceiling, provide edge moldings fabricated to diameter required to fit penetration exactly. ACOUSTICAL SEALANT HYPERLINK "http://www.specagent.com/LookUp/?ulid=347&mf=04&src=wd"Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following: Acoustical Sealant for Exposed and Concealed Joints: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456826024&mf=04&src=wd"Pecora Corporation; AC-20FTR Acoustical and Insulation Sealant. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456826025&mf=04&src=wd"USG Corporation; SHEETROCK Acoustical Sealant.  HYPERLINK "http://www.specagent.com/LookUp/?ulid=348&mf=04&src=wd" Acoustical Sealant for Concealed Joints: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456826026&mf=04&src=wd"Henkel Corporation; OSI Pro-SeriesSC-175 Acoustical Sound Sealant. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456826027&mf=04&src=wd"Pecora Corporation; AIS-919. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456826028&mf=04&src=wd"Tremco, Inc.; Tremco Acoustical Sealant. Acoustical Sealant: Manufacturer's standard sealant complying with ASTMC834 and effective in reducing airborne sound transmission through perimeter joints and openings in building construction as demonstrated by testing representative assemblies according to ASTME90. Exposed and Concealed Joints: Nonsag, paintable, nonstaining latex sealant. Concealed Joints: Nondrying, nonhardening, nonskinning, nonstaining, gunnable, synthetic-rubber sealant. Acoustical sealant shall have a VOC content of 250g/L or less when calculated according to 40CFR59, SubpartD (EPA Method24). EXECUTION EXAMINATION 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. Examine acoustical panels before installation. Reject acoustical panels that are wet, moisture damaged, or mold damaged. Proceed with installation only after unsatisfactory conditions have been corrected. PREPARATION 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, and comply with layout shown on reflected ceiling plans. INSTALLATION General: Install acoustical panel ceilings to comply with ASTMC636/C636M, according to manufacturer's written instructions and CISCA's "Ceiling Systems Handbook." Retain "Fire-Rated Assembly" Subparagraph below if applicable. Fire-Rated Assembly: Install fire-rated ceiling systems according to tested fire-rated design. Suspend ceiling hangers from building's structural members and as follows: 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. Retain option in first subparagraph below only if fire-resistance-rated ceilings are retained. Splay hangers only where required [and, if permitted with fire-resistance-rated ceilings,] to miss obstructions; offset resulting horizontal forces by bracing, countersplaying, or other equally effective means. 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. Secure wire hangers to ceiling-suspension members and to supports above with a minimum of three tight turns. Connect hangers directly either to structures 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. 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. 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. Do not attach hangers to steel deck tabs. Retain first subparagraph below unless attaching to the roof deck is permitted by the structural engineer and authorities having jurisdiction. Revise if structural members are spaced too far apart for hangers and another method is required. For alternatives that may need to be detailed on Drawings, consult structural engineer and see CISCA's guidelines. Do not attach hangers to steel roof deck. Attach hangers to structural members. Space hangers not more than 48 inches (1200 mm) o.c. along each member supported directly from hangers unless otherwise indicated; provide hangers not more than 8 inches (200 mm) from ends of each member. Size supplemental suspension members and hangers to support ceiling loads within performance limits established by referenced standards and publications. Secure bracing wires to ceiling suspension members and to supports with a minimum of four tight turns. Suspend bracing from building's structural members as required for hangers, without attaching to permanent metal forms, steel deck, or steel deck tabs. Fasten bracing wires into concrete with cast-in-place or postinstalled anchors. Install edge moldings and trim of type indicated at perimeter of acoustical ceiling area and where necessary to conceal edges of acoustical panels. Apply acoustical sealant where required on drawings in a continuous ribbon concealed on back of vertical legs of moldings before they are installed. Screw attach moldings to substrate at intervals not more than 16 inches (400 mm) o.c. and not more than 3 inches (75 mm) from ends, leveling with ceiling suspension system to a tolerance of 1/8 inch in 12 feet (3.2 mm in 3.6m). Miter corners accurately and connect securely. Do not use exposed fasteners, including pop rivets, on moldings and trim. Install suspension-system runners so they are square and securely interlocked with one another. Remove and replace dented, bent, or kinked members. 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 a neat, precise fit. For reveal-edged panels on suspension-system runners, install panels with bottom of reveal in firm contact with top surface of runner flanges. 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. 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. Install hold-down clips in areas indicated, in areas required by authorities having jurisdiction, and for fire-resistance ratings; space as recommended by panel manufacturer's written instructions unless otherwise indicated. Retain first subparagraph below for clean-room requirements. Install clean-room gasket system in areas indicated, sealing each panel and fixture as recommended by panel manufacturer's written instructions. Retain subparagraph below for fire-resistance-rated assemblies. Protect lighting fixtures and air ducts to comply with requirements indicated for fire-resistance-rated assembly. FIELD QUALITY CONTROL Testing Agency: Engage a qualified testing agency to perform tests and inspections and prepare test reports. Perform the following tests and inspections of completed installations of acoustical panel ceiling hangers and anchors and fasteners in successive stages. Do not proceed with installations of acoustical panel ceiling hangers for the next area until test results for previously completed installations show compliance with requirements. Extent of Each Test Area: When installation of ceiling suspension systems on each floor has reached 20 percent completion but no panels have been installed. Verify loadings in two subparagraphs below with structural engineer based on ceiling loadings and seismic zone where Project is located. CISCA's "Guidelines for Seismic Restraint of Direct-Hung Suspended Ceiling Assemblies - Seismic Zones3&4" requires hanger wire attachment devices to be "capable of supporting 100 lbf (445N)." Within each test area, testing agency will select one of every 10 power-actuated fasteners and postinstalled anchors used to attach hangers to concrete and will test them for 200 lbf (890N) of tension; it will also select one of every two postinstalled anchors used to attach bracing wires to concrete and will test them for 440 lbf (1957N) of tension. When testing discovers fasteners and anchors that do not comply with requirements, testing agency will test those anchors not previously tested until 20 pass consecutively and then will resume initial testing frequency. Acoustical panel ceiling hangers and anchors and fasteners will be considered defective if they do not pass tests and inspections. Prepare test and inspection reports. CLEANING 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. Remove and replace ceiling components that cannot be successfully cleaned and repaired to permanently eliminate evidence of damage. 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