SECTION OPERABLE PARTITIONS. A. American Society for Testing and Materials (ASTM):

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1 SECTION OPERABLE PARTITIONS PART 1 GENERAL 1.01 SUMMARY A. Related Sections: Structural Steel Carpentry. 3. Division 16 - Electrical REFERENCES A. American Society for Testing and Materials (ASTM): 1. E84-96a Test Method for Surface Burning Characteristics of Building Materials. 2. E90-96 Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements SUBMITTALS A. Submit properly identified product data, complete with installation details and instructions, before starting work. B. Shop Drawings: 1. Submit shop drawings for fabrications and erection of panel partition assemblies. a. Include plans, elevations, details, and STC ratings as required. b. Show anchorage and accessory items and finishes. 2. Provide location templates drawings for bolt hole locations in supporting members for attachment of partition track supports. C. Samples: 1. Submit 3 samples, 6 inches x 6 inches of each color and finish. Project No. SPECIFICATION GUIDELINES

2 a. Samples will be reviewed for color, texture, and surface reflectivity only. 2. Color selection will be made by A/E. 3. Submit samples and sections of tracks, hanger assemblies, and the core finished with material as selected by A/E QUALITY ASSURANCE A. Provide panel partition assembly as a complete unit by one manufacturer including necessary hardware, fittings, accessories, and anchorages. NOTE TO SPECIFIER: See M-DCPS Design Criteria Division 1 for acoustical separation requirements. Provide partition STC ratings of not less than the proposed space requirement. B. Sound Transmission Classification (STC): Provide folding partition units capable of achieving the following STC ratings for the heights as shown elsewhere when tested according to ASTM E90: 1. STC 48 at elementary bi-lingual education classrooms. 2. STC 48 at high school language arts lab. 3. STC 55 at instructional areas dividing auditoriums. C. Flame Spread Rating: Use only facing materials not exceeding a 25-flame spread rating when tested to ASTM E WARRANTY A. Guarantee Period: 3 years against defects in material or installation. PART 2 PRODUCTS 2.01 MANUFACTURERS A. Operable Partitions (STC 48): 1. Hufcor, 6000 Series. 2. Foldoor, Model Kwik Wall, Series Project No. SPECIFICATION GUIDELINES

3 4. Moderco, Signature Series Modernfold, Acousti-Seal 900 Series. 6. Panelfold, Moduflex Series 800. B. Operable Partitions (STC 55): 1. Kwik Wall, Series Modernfold, Acousti-Seal 900 Series SPECIAL REQUIREMENTS A. Hardware and Accessories: Provide manufacturers standard design, heavy-duty operating hardware, and accessories. B. Head Guides: Standard to manufacturer FABRICATION NOTE TO SPECIFIER: Verify type of partition to be used with M-DCPS Design Criteria according to project conditions. A. Provide standard (single)(paired)(continuously hinged) panels on steel framework and steel panel skins. 1. Provide concealed reinforcement for installation of hardware, fittings, brackets, and required accessories. 2. Face Panel Color: Selected by A/E from manufacturers stock color selection. B. Panel Size: Nominal 48 inches wide with interlocking vinyl sound seals. C. Floor and Head Seals: Fixed or mechanical vinyl top sweeps and clearance type, automatic operable bottom seals. D. Operable partitions suspended from track at head without floor track or guides. 1. Furnish doors assembled complete with head and jamb mold to conceal track and provide jamb closure. 2. Track: 16 gage steel with corrosion resistant coating, or heavy-duty extruded aluminum. 3. Hanger Assemblies and Bearings: a. All nylon construction or steel tired ball bearing Project No. SPECIFICATION GUIDELINES

4 E. Panels: wheels. b. Suspension System:(Multi-directional carrier)(4- wheeled trolleys). 1. Stabilized cores faced with (0.05" high pressure plastic laminate face sheets)(vinyl film weighing not less than 30 ounces per lineal yard). Particle board construction is not allowed. 2. Color and Pattern of (Plastic Laminate)( Vinyl Facing): As selected by A/E from manufacturer s standard selection. PART 3 EXECUTION 3.01 INSPECTION A. Do not proceed with the work of this section until conditions detrimental to the proper and timely completion of the work have been corrected in an acceptable manner INSTALLATION A. Verify field measurements before fabrication. B. Pre-assemble units in shop to greatest extent possible to minimize field cutting, jointing and assembly of units. C. Store and handle doors during pre-installation stage to not void manufacturer's guarantee. D. Install operable partitions by an authorized representative of manufacturer. E. Remove and reset doors defective after installation to a fully operating condition. F. Cleaning, Adjusting, and Lubricating: 1. Adjust and lubricate hardware for proper operation after installation. 2. Perform final adjustments to leveling devices, hardware, and other operating parts of partition assemblies. 3. Clean exposed surfaces of partitions, hardware, Project No. SPECIFICATION GUIDELINES

5 3.03 TESTING fittings and accessories, using materials and methods recommended by the partition manufacturer. A. After installation is complete, a field test may be conducted by the Board and supervised by an Acoustical Engineering Consultant to determine that the entire partition system including all surrounding construction complies (within 10 db) with the specified STC rating. 1. Cost of subsequent tests, if required, shall be borne by the Contractor. END OF SECTION Project No. SPECIFICATION GUIDELINES