ࡱ> qspxa ;bjbjjj ?r?b?b1)44444HHH8H4``( +4-4-4-4-4-4-4$689Q44 " " "Q4444f4$$$ "v44+4$ "+4$$n/\e3 6|P"u1 4|4041:#:@e3e3J:43h 0 "$!*! Q4Q4# 4 " " " ": B : SECTION 10 22 26.33 ACCORDION FOLDING PARTITIONS GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section. SUMMARY This Section includes the following: Manually operated, accordion folding partitions. DEFINITIONS NRC: Noise reduction coefficient. NVLAP: National Voluntary Laboratory Accreditation Program. STC: Sound transmission class. SYSTEM PERFORMANCE REQUIREMENTS Acoustical Performance: Provide accordion folding partitions tested by a qualified testing agency for the following acoustical properties according to test methods indicated: Sound Transmission Requirements: Accordion folding partition assembly tested in a full-scale opening, 14 by 9 feet(4267 by 2743 mm), for laboratory sound transmission loss performance according to ASTME90, determined by ASTME413, and rated for not less than the STC indicated. SUBMITTALS Product Data: Material descriptions, construction details, finishes, installation details, and operating instructions for each type of accordion folding partition and component specified. Include data on acoustical performance, surface-burning characteristics, and durability. Shop Drawings: Show location and extent of accordion folding partitions. Include plans, elevations, sections, details, attachments to other construction, and accessories. Indicate dimensions; weights; conditions at openings and for storage; and required installation, storage, and operating clearances. Indicate location and installation requirements for hardware and track, and direction of travel. Show blocking to be provided by others. Include the following: Calculations: Calculate requirements for supporting accordion folding partitions and verify capacity of carriers and track components to support loads; indicate deflection limits for partition and adjacent construction. Setting Drawings: For embedded items and cutouts required in other work, including support beam punching template. Samples for Verification: For each type of exposed finish required, prepared on Samples of size indicated below and of same thickness and material indicated for the Work. If finishes involve normal color, pattern and texture variations, include sample sets showing the full range of variations expected. Panel Face Material: Manufacturer's standard-size unit, not less than 3 inches(75 mm) square. Product Certificates: Signed by manufacturers of accordion folding partitions certifying that products furnished comply with requirements. Qualification Data: For firms and persons specified in "Quality Assurance" Article to demonstrate their capabilities and experience. Include lists of completed projects with project names and addresses, names and addresses of architects and owners, and other information specified. Product Test Reports: From a qualified testing agency indicating that each accordion folding partition complies with requirements, based on comprehensive testing of current products. Maintenance Data: For the following to include in maintenance manuals specified in Division01: Panel face finishes and finishes for exposed trim and accessories. Include precautions for cleaning materials and methods that could be detrimental to finishes and performance. Seals, hardware, track, carriers, and other operating components. QUALITY ASSURANCE Installer Qualifications: An experienced installer who is certified in writing by the accordion folding partition manufacturer as qualified to install the manufacturer's partition systems for work similar in material, design, and extent to that indicated for this Project. Testing Agency Qualifications: An independent testing laboratory, or an NVLAP-accredited laboratory, with the experience and capability to conduct the testing indicated, as documented according to ASTME548. NVLAP-accredited laboratories must document accreditation, based on a "Certificate of Accreditation" and a "Scope of Accreditation" listing the test methods specified. Fire-Test-Response Characteristics: Provide accordion folding partitions with the following fire-test-response characteristics, as determined by testing identical products per test method indicated below by UL or another testing and inspecting agency acceptable to authorities having jurisdiction. Identify materials with appropriate markings of applicable testing and inspecting agency. Surface-Burning Characteristics: As follows, per ASTME84: Flame Spread: 25 or less. Smoke Developed: 450 or less. PROJECT CONDITIONS Field Measurements: Verify accordion folding partition openings and storage arrangements by field measurements before fabrication and indicate measurements on Shop Drawings. Coordinate fabrication schedule with construction progress to avoid delaying the Work. PRODUCTS PRODUCTS AND MANUFACTURERS Products: Subject to compliance with requirements, provide one of the products indicated for each designation in the Accordion Folding Partition Schedule at the end of Part3. Manufacturers: Subject to compliance with requirements, provide products by one of the following: Hufcor Inc. Modernfold, Inc. Moderco. ACCORDION FOLDING PARTITIONS Construction: Provide pantograph or X-type accordion folding frame supporting acoustical core and decorative facing/cover, supported by overhead suspension system, designed for horizontal extension and retraction, and reinforced for hardware attachment. Securely attach sound-insulating core and facing/cover to frame. Fabricate partitions rigid; level; plumb; aligned, with tight joints and uniform appearance; and free of deformation and surface and finish irregularities. Dimensions: Fabricate accordion folding partitions, from manufacturer's standard sizes, to form an assembled system of dimensions indicated on Drawings and verified by field measurements. Accordion Folding Partition Characteristics: Comply with requirements indicated in the Accordion Folding Partition Schedule at the end of Part3. Trim: Manufacturer's standard trim with decorative, protective finish. Tiebacks: As required to maintain accordion folding partitions in stacked position. SEALS AND POSTS General: Provide types of acoustical seals and posts indicated that produce accordion folding partitions complying with acoustical performance requirements and the following: Seals and posts made from materials and profiles that minimize sound leakage. Seals and posts fitting tight at contact surfaces and sealing continuously between adjacent accordion folding partitions and between partition perimeter and adjacent surfaces, when accordion folding partition is extended, closed, and in place. Seals: Sweep strips for partition top and bottom, providing continuous contact with adjacent head and sill surfaces; and continuous PVC acoustical seals for lead posts and jambs. Posts and Jambs: Steel or aluminum; formed with deep-nesting and interlocking interfaces and fabricated to ensure rigidity for accordion folding partition. Provide lead posts, jamb posts, and jambs permanently fixed to walls for partition layout indicated. Post: Intermediate splice post for latching a partition to another spliced partition, latching on two opposite sides of post; air release vents. HARDWARE Hardware: Manufacturer's standard manually operated pulls and latches as required to operate accordion folding partitions and as follows; with decorative, protective finish: Latches: Operable from both sides of closed partitions. Locks: Key-operated lock cylinder, keyed to master key system, operable from both sides of partition. Include two keys per lock. Pendant Pulls: Near top of lead in addition to standard pull handle/latch for units more than 10 feet(3 m) high or 20 feet(6 m) wide, or both. Foot Bolts: On lead post where indicated. Secure to post to avoid interference with seals. FINISH FACING/COVER General: Provide finish facings that comply with indicated fire-test-response characteristics; factory attached or applied to accordion folding partitions over acoustical core with appropriate backing, using concealed fasteners; designed to be field replaceable. Apply facings free from air bubbles, wrinkles, blisters, and other defects, with vertical edges tightly butted, with vertical invisible seams, and with no gaps or overlaps. Horizontal are not permitted. Tightly secure and conceal raw and selvage edges of facing for finished appearance. Where facings with directional or repeating patterns or directional weave are indicated, mark facing top and attach facing in same direction. Vinyl-Coated Fabric Wall Covering: Manufacturer's standard mildew-resistant, washable, vinyl-coated fabric wall covering; complying with CFFA-W-101-B for Type indicated; ClassA. Antimicrobial Treatment: Additives capable of inhibiting growth of microbes, including, but not limited to, Staphylococcus aureus, Escherichia coli, and Aspergillus niger. SUSPENSION SYSTEMS Suspension Tracks: Steel or aluminum mounted directly to overhead structural support, designed for type of operation, size, and weight of accordion folding partition indicated. Size track to support partition operation and storage without damage to suspension system, accordion folding partitions, or adjacent construction. Limit track deflection, independent of structural support, to no more than 80 percent of bottom clearance. Provide a continuous system of track sections and accessories to accommodate configuration and layout indicated for partition operation and storage. Track: Surface mounted. Carriers: Trolley system as required for size and weight of partition and for easy, quiet operation; with ball-bearing four-wheel carriers at lead post and ball-bearing two-wheel carriers at intermediate spacing. Track Switches and Accessories: As required for type of operation, storage, track configuration, and layout indicated for accordion folding partition, and compatible with partition assembly specified. Fabricate track switches from steel or aluminum. Center carrier stop. Aluminum Finish: Mill finish or manufacturer's standard, factory-applied, decorative finish, unless otherwise indicated. Steel Finish: Factory-applied, corrosion-resistant, protective coating, unless otherwise indicated. EXECUTION EXAMINATION Examine flooring, structural support, and opening, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of accordion folding partitions. Proceed with installation only after unsatisfactory conditions have been corrected. INSTALLATION General: Comply with ASTME557, accordion folding partition manufacturer's written installation instructions, Drawings, and approved Shop Drawings. Install accordion folding partitions and accessories after other finishing operations, including painting, have been completed. ADJUSTING Adjust accordion folding partitions to operate smoothly, easily, and quietly, free from binding, warp, excessive deflection, distortion, nonalignment, misplacement, disruption, or malfunction, throughout entire operational range. Lubricate hardware and other moving parts. CLEANING AND PROTECTION Clean soiled surfaces, vinyl facing, metal surfaces, on completing installation of accordion folding partitions, to remove dust, loose fibers, fingerprints, adhesives, and other foreign materials according to manufacturer's written instructions. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and Installer, that ensure accordion folding partitions are without damage or deterioration at time of Substantial Completion. Replace partitions that cannot be cleaned and repaired, in a manner approved by Architect, before time of Substantial Completion. DEMONSTRATION Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain accordion folding partitions. Test and adjust seals, hardware, carriers, tracks, and other operable components. Replace damaged or malfunctioning operable components. Train Owner's maintenance personnel on procedures and schedules for starting and stopping, troubleshooting, servicing, and maintaining equipment and schedules. Review data in maintenance manuals. Refer to Division01 Section "Operation and Maintenance Data." Schedule training with Owner with at least seven days' advance notice. END OF SECTION 10 22 26.33 FOR MDACC USE ONLY. 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