SECTION 096466 PART 1 GENERAL 1.01 GENERAL REQUIREMENTS A. PART A and DIVISION 1 of PART B are hereby made a part of this SECTION. B. Examine all conditions as they exist at the project prior to submitting a bid for the work of this SECTION. 1.02 SCOPE OF WORK A. Furnish and install the following items required to complete the work of this SECTION, as shown on the Drawings and specified herein: 1. Wood flooring system at auditorium stage comprised of the following: a. 6 mil polyethylene membrane. b. Resilient pads with air channels on plywood sub flooring panels, and all necessary fasteners. c. Maple flooring, with polyurethane sealer and finish. d. Perimeter ventilating base. e. Leveling of sub floor to blend athletic flooring with adjacent finish elevations. 2. Wood stairs to auditorium stage consisting of: a. Maple treads and risers. 3. Sand and refinish existing wood gymnasium floor; including repainting of games lines. 1.03 RELATED WORK SPECIFIED ELSEWHERE A. The following related work is to be performed under the designated SECTIONS: 1. Wood framing and subfloor for stage stairs: SECTION 061000-ROUGH CARPENTRY. 2. Thresholds and expansion covers: SECTION 055000-MISCELLANEOUS METALS and SECTION 087100-FINISH HARDWARE. 096466-1
1.04 SHOP DRAWINGS A. Submit complete shop drawings, including manufacturer's specifications, and installation data for wood flooring systems and finishes specified herein, in accordance with the provisions of SECTION 013300-SUBMITTALS. 1.05 SAMPLES A. Submit the following samples in accordance with the provisions of SECTION 013300-SUBMITTALS. 1. Assembled section of the floor system, 24 inch x 24 inch minimum, including all components and finish. 2. Fasteners for system flooring. B. Submit care and maintenance instructions for flooring. 1.06 QUALIFICATIONS A. Work of this SECTION shall be performed by an established flooring installation firm approved by the flooring system manufacturer, and qualified by a minimum of five (5) years of experience and in a financial position to do the work specified hereunder. B. Submit, with transmission of initial samples required, the following: 1. Experience record showing the wood flooring installation firm's training and experience in similar work. 2. List and give brief description of similar work, satisfactorily completed, with location, date of contracts, together with names and addresses of owners. 3. List of facilities and equipment available to do the work. C. The flooring installer shall be experienced in the supervision of wood and athletic flooring installation in this type of work. The actual work shall be done by qualified and experienced mechanics working under his supervision. D. The Architect reserves the right to reject the wood and athletic flooring firm if (1) the required qualification data is not received, or (2) the data submitted indicates an unsatisfactory experience record. 1.07 DELIVERY, STORAGE AND HANDLING A. Materials shall not be delivered or installed until all masonry, painting, plastering, tile work, marble and terrazzo work are completed. All overhead mechanical work, lighting, backstops, scoreboards shall be installed. Room temperature shall be at least 55 degrees or higher, and moisture content of concrete slab of 4.5% or less, or vapor transmission not to exceed 4.5 pounds per 1,000 square feet. Environmental temperatures must average a minimum of 65 degrees and 096466-2
relative humidity 50% or lower for a period of one week before, during, and 72 hours following installation. B. Area where materials are to be stored shall be maintained at 55 degrees and under 50% relative humidity by the General Contractor. Store materials at project site for sufficient length of time to equalize with site conditions. Open cartons minimum 48 hours before installation. 1.08 GUARANTEE A. Upon completion of the work, submit to the Architect, for transmission to the Owner, two (2) copies of a written guarantee, covering prompt and proper replacement and repair of any and all improper work and materials that may become apparent within twelve (12) months after the date of Substantial Completion under the work is performed. 096466-3
PART 2 PRODUCTS 2.01 MANUFACTURER A. To establish a standard of quality, design and function, drawings have been based on Bio-Cushion Panel/Panel Subfloor System by Robbins, Inc. Similar systems by Aacer Flooring and other manufacturers of similar quality, design, and function will be considered for approval as an equal upon receipt of product literature as required by the Architect. 2.02 MATERIALS STAGE FLOORING A. Membrane - 6 mil polyethylene. B. Pads Robbins green (for dance) 7/16 inch thick EPDM rubber pads with reverse cavity. Lower and upper surfaces shall be non-coextensive. Install pads 12 inches on center each direction, 32 pads per sheet. C. Panel/Panel Subfloor System: 1. Plywood - Two (2) layers of 15/32 thick x 4 feet x 8 feet, C-D-X exposure I, 4 ply minimum plywood. Sheets shall be laid perpendicular to each other and laminated with water proof panel adhesive and with screws or annular nails as recommended by the manufacturer. Wood staples shall not be allowed. 2. Cleats 2 inch barbed cleats or equivalent. 3. Maple flooring 25/32 inch thick x 2-1/4 inch width, second and better, T&G and EM, KD Northern Hard Maple, Continuous StripXL flooring, grade in accordance with MFMA Standards. 4. Total floor system thickness 2 1/4 inches. D. Perimeter Base - Coved, 3 inch x 4 inch ventilating type in color as selected by the Architect. E. Finishing Materials As specified under paragraph 2.04. F. Leveling Materials - As recommended by a floor system manufacturer for concrete subfloor conditions. 2.04 WOOD FLOOR FINISH AT STAGE A. Two part water based epoxy wood floor finish system, Hillyard The Contender System or equal approved by the Architect, comprised of the following: 1. Contender Seal - A penetrating waterborne sealer and primer manufactured for wood floors. 096466-4
2. Contender Finish - Clear two-part waterborne modified epoxy wood floor finish compatible over a wide variety of conventional solvent based epoxies and oil modified urethanes. The product shall be approved by Underwriters Laboratories for slip resistance, with the following statement on all container labels: Classified by Underwriters Laboratories, Inc. as to slip all resistance only 1865. The product shall be currently listed by Maple Flooring Manufacturers Association in Group 5. 096466-5
PART 3 EXECUTION 3.01 PRE-INSTALLATION CONDITIONS A. Do not install floor system until concrete has been cured 60 days and the proper depression and floor tolerance with steel trowel finish has been provided. B. After floors are finished, the floor shall be protected by covering with non-fibered kraft paper or red rosin paper with taped joints by the General Contractor. 3.02 INSTALLATION - WOOD FLOOR SYSTEM AT STAGE A. All products covered by this SECTION shall be installed by qualified personnel in strict accordance with the manufacturerʼs written specifications, and the additional provisions herein specified. B. Install polyethylene with joints lapped a minimum of 6 inches and turned up 4 inches at the walls. C. Install first layer of sub floor perpendicular to direction of finished flooring. Apply ribbons of panel adhesive in a double box-x pattern. Over this, secure second layer of underlayment on a diagonal (approximately 45 degrees) to first layer with fasteners placed no greater than 12 O.C. in both directions and 6 along perimeter. All sub floor joints shall be staggered and spaced 1/4. D. Machine nail maple finish flooring 10 to 12 O.C. running the direction of the main playing court with end joint properly driven up and proper spacing provided for humidity conditions. Provide 2 inch expansion voids at the perimeter and at all vertical obstructions. E. Sanding - Floor shall be sanded after all other trades are finished. All wood floors shall be sanded with a heavy power-driven sander. For the first cut, the floor shall be traversed in both directions going with the grain of the flooring using No. 2 1/2 sandpaper. Follow with No. 1 1/2 paper, then with No. 1/2 and finishing with No. 00. All cuts should be made with the grain. Rough or finish sanding on the diagonal will not be permitted without specific permission from the Architect. Particular attention should be given on each finishing cut to completely remove the coarser grit marks from the preceding cut. Sanding machine shall not be moved more than two boards at a time for each traverse on any of the four cuts. After sanding, contractor shall thoroughly vacuum floor with heavy duty commercial type vacuum and request inspection by the Architect or his authorized representative before any finishing work shall start. F. Sealing - After sanding, floor shall be thoroughly swept and vacuumed. Tack rag floor with a Turkish towel dampened with recommended solvent until no traces of sanding dust remain on floor. With a clean synthetic lambswool applicator, apply an even coat of sealer. While working 4 ft. by 4-ft. sections, apply product first across the grain then smooth out (feather) with the grain. After the first coat is thoroughly dry (usually 2-4 hourʼs) entire surface should be abraded using blue or green scrub pad under a single brush floor machine. Floor shall again be tack ragged using a Turkish towel slightly moistened with water. Now apply the first 096466-6
coat of floor finish following manufacturerʼs recommended procedures. Allow the floor to dry overnight. G. Painting Game Lines (gym floor) - Mark game lines with proper colors of recommended game line paint according to Architectʼs drawings and with the use of precision taping machine for circles and arches. Note: Masking tape should be pulled as soon as the paint starts to set and not allowed to stand overnight. Paint should be allowed to dry for at least 12 hours. H. Finishing 1. After lines have dried overnight, abrade with blue or green scrub pad and tack rag with Turkish towel slightly moistened with water until no traces or powder remain on floor. Now apply the second coat of finish following same procedures as the first coat of finish. Allow to dry overnight. Abrade the floor with green or blue scrub pad and tack rag the floor with Turkish towel slightly moistened with water. Apply the third, fourth and fifth (final) coat of finish in the same manner as above. After the final coat of finish do not use floor for at least 72 hours. Avoid heavy traffic for at least one week. 2. During product application and drying time, floor must be free of dust and dirt. Following the final coat turn on the air handling system to get good air movement. Temperatures of the floor, room, and materials should be 65 degrees F. or above during treatment and curing. Allow adequate ventilation for proper curing. Product must be abraded with 150 grit screens (instead of blue or green scrub pad) if allowed to cure more than 48 hours between coats. 3. Total coats, floor finish system: (1) seal coat plus (5) finish coats. I. Perimeter Base - Install Robbins vent cove base anchored to walls with base cement or screws and anchors. Use premoulded outside corners and neatly mitered inside corners. J. Coordinate wood floor installation with athletic equipment mountings, flush mounted thresholds and expansion covers. 3.03 GYMNASIUM FLOOR REFINISHING A. Sanding 1. Floors shall be sanded after all other trades are finished. All wood floors shall be sanded with a heavy power-driven sander. For the first cute, the floor shall be traversed in both directions going with the grain of the flooring using No. 2 ½ sandpaper. Follow with No. 1 ½ paper, then with No. ½ and finishing with No. 00. All cuts should be made with the grain. Rough or finish sanding on the diagonal will not be permitted without specific permission from the Architect. Particular attention should be given on each finishing cut to completely remove the coarser grit marks from the preceding cut. Sanding machine shall not be moved more than two boards at a time for each traverse on any of the four cuts. 096466-7
B. Sealing 1. After sanding, floor shall be thoroughly swept and vacuumed. Tack rag floor with a turkish towel dampened with recommended solvent until no traces of sanding dust remain on floor. With a clean synthetic lambswool applicator, apply an even coat of sealer. While working 4 ft. by 4 ft. sections, apply product first across the grain then smooth out (feather) with the grain. After the first coat is thoroughly dry (usually 2-4 hours) entire surface should be abraded using blue or green scrub pad under a single brush floor machine. Floor shall again be tack ragged using a turkish towel slightly moistened with water. Now apply the first coat of floor finish following manufacturerʼs recommended procedures. Allow the floor to dry overnight. C. Painting Game Lines 1. Mark game lines with proper colors of recommended game line paint according to Architectʼs blueprints and with the use of precision taping machine for circles and arches. Note: Masking tape should be pulled as soon as the paint starts to set and not allowed to stand overnight. Paint should be allowed to dry at least 12 hours. D. Finishing 1. After lines have dried overnight, abrade with blue or green scrub pad and track rag with turkish towel slightly moistened with water until no traces of powder remain on the floor. Now apply the second coat of finish following same procedures as the first coat of finish. Allow to dry overnight. Abrade the floor with green or blue scrub pad and tack rag the floor with turkish towel slightly moistened with water. Apply the third and final coat of finish in the same manner as above. After the final coat, do not use floor for at least 72 hours. Avoid heavy traffic for at least one week. 2. During product application and drying time, floor must be free of dust and dirt. Following the final coat turn on the air handling system to get good air movement. Temperatures of the floor, room and materials should be 65 degrees F or above during treatment and curing. Allow adequate ventilation for proper curing. Product must be abraded with 150 grit screens (instead of blue or green scrub pad) if allowed to cure more than 48 hours between coats. 3. Total coats, floor finish system: (1) seal coat plus (5) finish coats. E. Perimeter Base Install Robbins vent cove base anchored to walls with base cement or screws and anchors. Use premoulded outside corners and neatly mitered inside corners. F. Coordinate wood floor installation with athletic equipment mountings, flush mounted thresholds and expansion covers. 3.04 CLEAN-UP A. Clean up all unused materials and debris and remove same from the premises and legally dispose of. 096466-8
3.04 CLEAN-UP A. Clean up all unused materials and debris and remove same from the premises and legally dispose of. END OF SECTION 096466-9