Armstrong World Industries, Inc：阿姆斯壮世界工业公司，公司

Armstrong World Industries, Inc：阿姆斯壮世界工业公司，公司 Armstrong World Industries, Inc. Ceiling & Suspension System Specification Please understand that you are responsible for the accuracy of all project specifications, including any Armstrong guide specifications that you use. ARMSTRONG SHALL NOT BE LIABLE FOR ANY DAMAGES ARISING OUT OF THE USE OF ANY OF ITS GUIDE SPECIFICATIONS. SECTION 09 54 26 WOOD PANEL CEILINGS PART 1 - GENERAL 1.1 RELATED DOCUMENTS Drawings and general conditions of Contract, including General and Supplementary Conditions and Divisions-1 Specification sections apply to work of this section. 1.2 SUMMARY A. Section Includes: 1. Wood veneer ceiling planks. 2. Exposed grid suspension system. 3. Wire hangers, fasteners, main runners, wall angle moldings and accessories. B. Related Sections: 1. Section 06 42 00 (06420) Wood Paneling 2. Section 09 51 00 (09510) - Acoustical Ceilings 3. Section 09 20 00 (09250) - Plaster and Gypsum Board 4. Divisions 23 (15) - HVAC 5. Division 26 (16) Sections - Electrical Work C. Alternates 1. Prior Approval: Unless otherwise provided for in the Contract documents, proposed product substitutions may be submitted no later than TEN (10) working days prior to the date established for receipt of bids. Acceptability of a proposed substitution is contingent upon the Architect's review of the proposal for acceptability and approved products will be set forth by the Addenda. If included in a Bid are substitute products, which have not been approved by Addenda, the specified products shall be provided without additional compensation. 2. Submittals, which do not provide adequate data for the product evaluation, will not be considered. The proposed substitution must meet all requirements of this section, including but not necessarily limited to, the following: Single source materials suppliers (if specified in Section 1.5); panel design, size, composition, color, and finish; suspension system component profiles and sizes; compliance with the referenced standards. 1.3 REFERENCES A. American Society for Testing and Materials (ASTM): 1. ASTM A 641 Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire. 2. ASTM A 653 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot- Dip Process. 3. ASTM A 1008 Standard Specification for Steel, Sheet, Cold Rolled, Carbon, Structural, High- Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability. 4. ASTM C 423 Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method. 5. ASTM C 635 Standard Specification for Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings. 6. ASTM C 636 Recommended Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels. 7. ASTM E 84 Standard Test Method for Surface Burning Characteristics of Building Materials. 8. ASTM E 1264 Classification for Acoustical Ceiling Products. B. CISCA Seismic Zones (0-2) (3-4) Ceilings and Interior Systems Construction Association Guidelines for Seismic Restraint for Direct Hung Suspended Ceiling Assemblies 1.4 SUBMITTALS A. Product Data: Submit manufacturer's technical data for each type of ceiling unit and suspension system required. B. Installation Instructions: Submit manufacturer's installation instructions as referenced in Part 3, Installation. C. Samples: Minimum 3-1/2 inch or 5-1/2 inch samples of specified panel; 8 inch long samples of exposed wall molding and suspension system, including main runner. D. Shop Drawings: Layout and details of ceilings. Show locations of items which are to be coordinated with, or supported by the ceilings. E. Certifications: Manufacturer's certifications that products comply with specified requirements, including laboratory reports showing compliance with specified tests and standards. F. All products not conforming to manufacturer's current published values must be removed, disposed of and replaced with complying product at the expense of the Contractor performing the work. 1.5 QUALITY ASSURANCE A. Single-Source Responsibility: Provide ceiling panel units and grid components by a single manufacturer. B. Fire Performance Characteristics: Identify ceiling components with appropriate markings of applicable testing and inspecting organization. 1. Surface Burning Characteristics: As follows, tested per ASTM E 84 and complying with ASTM E 1264 for Class A products. a. Flame Spread: 25 or less b. Smoke Developed: 50 or less 2. HPVA (Hardwood Plywood and Veneer Association) certification and audit program per ASTM E- 84 tunnel test. C. Woodworking Standards: Manufacturer must comply with specified provisions of Architectural Woodworking Institute quality standards. D. Woodworks Channeled, as with other architectural features located at the ceiling, may obstruct or skew the planned fire sprinkler water distribution pattern, or possibly delay or accelerate the activation of the sprinkler or fire detection systems by channeling heat from a fire either toward or away from the device. Designers and installers are advised to consult a fire protection engineer, NFPA 13, or their local codes for guidance where automatic fire detection and suppression systems are present. E. Coordination of Work: Coordinate ceiling work with installers of related work including, but not limited to building insulation, gypsum board, light fixtures, mechanical systems, electrical systems, and sprinklers. 1.6 DELIVERY, STORAGE, AND HANDLING A. Store ceiling components in a dry interior location in their cartons prior to installation to avoid damage. Store cartons in a flat, horizontal position. The protectors between the panels should not be removed until installation. B. Do not store in unconditioned spaces with humidity greater than 55 percent or lower than 25 percent relative humidity and temperatures lower than 50 degrees F or greater than 86 degrees F. Panels must not be exposed to extreme temperatures, for example, close to a heating source or near a window with direct sunlight. C. Handle ceiling units carefully to avoid chipped edges or damage to units in any way. 1.7 PROJECT CONDITIONS A. Wood veneer ceiling materials should be permitted to reach room temperature and have a stabilized moisture content for a minimum of 72 hours before installation. B. The wood veneer panels should not be installed in spaces where the temperature or humidity conditions vary greatly from the temperatures and conditions that will be normal in the occupied space. C. As interior finish products, the wood veneer panels are designed for installation in temperature conditions between 50 degrees F and 86 degrees F, in spaces where the building is enclosed and HVAC systems are functioning and will be in continuous operation. Relative humidity should not fall below 25 percent or exceed 55 percent. 1.8 WARRANTY A. Wood Veneer Panel: Submit a written warranty executed by the manufacturer, agreeing to repair or replace panels that fail within the warranty period. Failures include, but are not limited to: 1. Ceiling Panels: Defects in materials or factory workmanship. 2. Grid System: Rusting and manufacturing defects. B. Warranty Period: 1. Wood veneer panels: One (1) year from date of installation. 2. Grid: Ten years from date of installation. C. The Warranty shall not deprive the Owner of other rights the Owner may have under other provisions of the Contract Documents and will be in addition to and run concurrent with other warranties made by the Contractor under the requirements of the Contract Documents. 1.9 MAINTENANCE A. Extra Materials: Deliver extra materials to Owner. Furnish extra materials described below that match products installed. Packaged with protective covering for storage and identified with appropriate labels. 1. Ceiling Units: Furnish quantity of full-size units equal to 5.0 percent of amount installed. 2. Exposed Suspension System Components: Furnish quantity of each exposed suspension component equal to 2.0 percent of amount installed. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Ceiling Panels: 1. Armstrong World Industries, Inc. B. Suspension Systems: 1. Armstrong World Industries, Inc. 2.2.0 WOOD VENEER CEILING UNITS A. Ceiling Panels Type AP-1: 1. Surface Texture: Smooth 2. Composition: Wood 3. Finish: Manufacturer's standard natural veneer - Natural Variations 4. Species: (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 5. Size: (5 7/8 inch X 8 feet X 3/4inch) (5 7/8 inch X 10 feet X 3/4 inch) 6. Reveal: (13mm profile with 3mm grove) (5mm profile with 3mm groove) (25mm profile with 3mm groove) 7. Edge Banding and Trim: To match face veneer 8. Noise Reduction Coefficient (NRC): ASTM C 423, Classified with UL label on product carton, (0.95 [13mm profile with 3mm grove][(5mm profile with 3mm groove] with 1 inch fiberglass backer), (0.70 [25mm profile with 3mm groove] with 1 inch thick fiberglass backer). 9. Flame Spread: Class A (HPVA) 10. Dimensional Stability: Standard 11. Acceptable Product: WoodWorks Channeled Plank, Item #__________, as manufactured by Armstrong World Industries. B. Accessories: 1. Item #5389: Channeled Clip 2. Item #585508__: 4 inch Wall Base Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 3. Item #585608__: 6 inch Wall Base Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 4. Item #585708__: 8 inch Wall Finish Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 5. Item #586708__: Wall Inside Corner Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 6. Item #5479: BioAcoustic Infill Panel, 2 inch x 2 inch x 5/8 inch, color-beige 7. Item #8200100: Fiberglass Infill Panel, 2 inch x 2 inch x 1 inch, color-black 2.3.0 WOOD CEILING 1. : Smooth 2. Composition: Wood 3. Finish: Images printed visual with semi-gloss coating 4. Species: (Images Maple) (Images Light Cherry) (Images Dark Cherry) 5. Sizes: (5 7/8 inches X 96 inches X .688 inches)( 5 7/8 inches X 120 inches X .688 inches) 6. Perforation Options: (13mm profile with 3mm grove) (5mm profile with 3mm groove) (25mm profile with 3mm groove) 7. Edge Banding and Trim: To match face finish 8. Noise Reduction Coefficient (NRC): ASTM C 423, Classified with UL label on product carton, (0.75 [13mm profile with 3mm groove]) (0.90 [13mm profile with 3mm groove with 1” fiberglass backer]) (0.65 [25mm profile with 3mm groove]) (0.70 [25mm profile with 3mm groove with 1” fiberglass backer]) 9. Flame Spread: Class A (HPVA) 10. Dimensional Stability: Standard 11. Acceptable Product: WoodWorks Channeled Plank Ceiling with Images finish, Item #__________, as manufactured by Armstrong World Industries. B. Accessories: 1. Item #5389: Channeled Clip 2. Item #585508__: 4 inch Wall Base Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 3. Item #585608__: 6 inch Wall Base Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 4. Item #585708__: Wall Finish Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 5. Item #586708__: Wall Inside Corner Molding (Natural Variations Maple) (Natural Variations Light Cherry) (Natural Variations Dark Cherry) 6. Item #5479: BioAcoustic Infill Panel, 2 inch x 2 inch x 5/8 inch, color-beige 7. Item #8200100: Fiberglass Infill Panel, 2 inch x 2 inch x 1 inch, color-black 8. 2.2.1 SUSPENSION SYSTEMS A. Components: All main beams and cross tees shall be commercial quality hot-dipped galvanized (galvanized steel, aluminum, or stainless steel) as per ASTM A 653. Main beams and cross tees are double-web steel construction with 15/16 inch type exposed flange design. Exposed surfaces chemically cleansed, capping pre-finished galvanized steel (aluminum or stainless steel) in baked polyester paint. Main beams and cross tees shall have rotary stitching (exception: extruded aluminum or stainless steel). 1. Structural Classification: ASTM C 635 Heavy Duty. 2. Color: White and match the actual color of the selected ceiling tile, unless noted otherwise. 3. Acceptable Product: Prelude XL 15/16" Exposed Tee as manufactured by Armstrong World Industries, Inc. B. Attachment Devices: Size for five times design load indicated in ASTM C 635, Table 1, Direct Hung unless otherwise indicated. C. Wire for Hangers and Ties: ASTM A 641, Class 1 zinc coating, soft temper, pre-stretched, with a yield stress load of at least time three design load, but not less than 12 gauge. D. Edge Moldings and Trim: Metal or extruded aluminum of types and profiles indicated or, if not indicated, manufacturer's standard moldings for edges and penetrations, including light fixtures, that fit type of edge detail and suspension system indicated. Provide moldings with exposed flange of the same width as exposed runner. E. Accessories 1. 4 inch Woodworks Trim with aluminum substrate; 10 foot x 4 inches, item #5695W1___ 2. 6 inch Woodworks Trim with aluminum substrate; 10 foot x 6 inches, item #5660W1___ PART 3 - EXECUTION 3.1 EXAMINATION A. Do not proceed with installation until all wet work such as concrete, terrazzo, plastering and painting has been completed and thoroughly dried out. B. Proper designs for both supply air and return air, maintenance of the HVAC filters and building interior space are essential to minimize soiling. Before starting the HVAC system, make sure supply air is properly filtered and the building interior is free of construction dust. 3.2 PREPARATION A. Measure each ceiling area and establish layout of acoustical units to balance border widths at opposite edges of each ceiling. Avoid use of less than half width units at borders, and comply with reflected ceiling plans. Coordinate panel layout with mechanical and electrical fixtures. 3.3 INSTALLATION A. Install suspension system and panels in compliance with ASTM C636; CISCA Seismic Guidelines; approved construction drawings; with the authorities having jurisdiction; and in accordance with the manufacturer's installation instructions, WoodWorks Channeled Ceilings Installation Instructions, LA-297532. B. Suspend linear carriers from overhead construction with hanger wires spaced 4 feet on center along the length of the linear carrier. Install hanger wires plumb and straight. Install linear carriers 24 inches on center (or less). C. Install wall moldings at intersection of suspended ceiling and vertical surfaces. D. Follow the instructions found in "WoodWorks Channeled Installation Instructions", LA-297532, for border treatment of the WoodWorks Channeled planks. 3.4 ADJUSTING AND CLEANING A. Replace damaged and broken panels. B. Clean exposed surfaces of ceilings panels, including trim, edge moldings, and suspension members. Comply with manufacturer's instructions for cleaning and touch up of minor finish damage. Remove and replace work that cannot be successfully cleaned and repaired to permanently eliminate evidence of damage. END OF SECTION