1. Trim Accessories: Full-size Sample in 12-inch- long length for each trim accessory indicated.

Transcription

1 SECTION GYPSUM BOARD PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the following: 1. Interior gypsum board. 2. Tile Backing Panels 3. Reveals B. Related Sections include the following: 1. Division 6 Section "Sheathing" for gypsum sheathing. 2. Division 6 Section "Miscellaneous Rough Carpentry" for framing and suspension systems that support gypsum board. 3. Division 7 Section Thermal Insulation for batts and sound batts installed behind gypsum board. 4. Division 9 Section Painting for primers applied to gypsum board surfaces. 1.3 SUBMITTALS A. Product Data: For each type of product indicated. B. Samples: For the following products: 1. Trim Accessories: Full-size Sample in 12-inch- long length for each trim accessory indicated. 1.4 QUALITY ASSURANCE A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials and construction identical to those tested in assembly indicated according to ASTM E 119 by an independent testing agency. 1.5 STORAGE AND HANDLING A. Store materials inside under cover and keep them dry and protected against damage from weather, condensation, direct sunlight, construction traffic, and other causes. Stack panels flat to prevent sagging. GYPSUM BOARD

2 1.6 FIELD CONDITIONS A. Environmental Limitations: Comply with ASTM C 840 requirements or gypsum board manufacturer's written recommendations, whichever are more stringent. B. Do not install interior products until installation areas are enclosed and conditioned. C. Do not install panels that are wet, those that are moisture damaged, and those that are mold damaged. 1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, or irregular shape. 2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration. PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials and construction identical to those tested in assembly indicated according to ASTM E 119 by an independent testing agency. B. STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identical to those tested in assembly indicated according to ASTM E 90 and classified according to ASTM E 413 by an independent testing agency. 2.2 INTERIOR GYPSUM BOARD A. General: Complying with ASTM C 36/C 36M or ASTM C 1396/C 1396M, as applicable to type of gypsum board indicated and whichever is more stringent. 1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Type X: a. American Gypsum Co. b. G-P Gypsum. c. National Gypsum Company. d. USG Corporation. 1. High Impact (where noted on drawings) 2. Thickness: 5/8 inch. 3. Long Edges: Tapered and featured (rounded or beveled) for prefilling. C. Moisture- and Mold-Resistant Gypsum Board: ASTM C 1396/C 1396M. With moisture- and mold-resistant core and paper surfaces. 1. Core: 5/8 inch, Type X. (where noted on drawings) 2. Long Edges: Tapered. GYPSUM BOARD

3 3. Mold Resistance: ASTM D 3273, score of 10 as rated according to ASTM D TILE BACKING PANELS A. Cementitious Backer Units: ANSI A118.9 and ASTM C 1288 or 1325, with manufacturer's standard edges. 1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following: a. C-Cure; C-Cure Board 990. b. CertainTeed Corp.; FiberCement BackerBoard. c. National Gypsum Company, Permabase Cement Board. d. USG Corporation; DUROCK Cement Board. 2. Thickness: 5/8 inch. 3. Mold Resistance: ASTM D 3273, score of 10 as rated according to ASTM D TRIM ACCESSORIES A. Interior Trim: ASTM C Material: Galvanized or aluminum-coated steel sheet or rolled zinc. 2. Shapes: a. Cornerbead. b. Bullnose bead. c. LC-Bead: J-shaped; exposed long flange receives joint compound. d. L-Bead: L-shaped; exposed long flange receives joint compound. e. U-Bead: J-shaped; exposed short flange does not receive joint compound. f. Expansion (control) joint. g. Curved-Edge Cornerbead: With notched or flexible flanges. B. Aluminum Trim: Extruded accessories of profiles and dimensions indicated. 1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. Fry Reglet Corp. b. Gordon, Inc. c. Pittcon Industries. 2. Aluminum: Alloy and temper with not less than the strength and durability properties of ASTM B 221, Alloy 6063-T5. 3. Finish: Corrosion-resistant primer compatible with joint compound and finish materials specified. C. Reveals: Provide reveal as indicated on the drawings. GYPSUM BOARD

4 1. Basis of Design: Pittcom Industries SWR Series Wall Reveal. See drawings for size of reveal. 2. Extruded aluminum profile with integral continuous fin. See Manufactures installation requiments. 2.5 JOINT TREATMENT MATERIALS A. General: Comply with ASTM C 475/C 475M. B. Joint Tape: 1. Interior Gypsum Wallboard: Paper. 2. Glass-Mat Gypsum Sheathing Board: 10-by-10 glass mesh. 3. Tile Backing Panels: As recommended by panel manufacturer. C. Joint Compound for Interior Gypsum Wallboard: For each coat use formulation that is compatible with other compounds applied on previous or for successive coats. 1. Prefilling: At open joints, rounded or beveled panel edges, and damaged surface areas, use setting-type taping compound. 2. Embedding and First Coat: For embedding tape and first coat on joints, fasteners, and trim flanges, use drying-type, all-purpose compound. a. Use setting-type compound for installing paper-faced metal trim accessories. 3. Fill Coat: For second coat, use drying-type, all-purpose compound. 4. Finish Coat: For third coat, use drying-type, all-purpose compound. 5. Skim Coat: For final coat of Level 5 finish, use high-build interior coating product designed for application by airless sprayer and to be used instead of skim coat to produce Level 5 finish. D. Joint Compound for Tile Backing Panels: 1. Water-Resistant Gypsum Backing Board: Use setting-type taping compound and settingtype, sandable topping compound. 2. Glass-Mat, Water-Resistant Backing Panel: As recommended by backing panel manufacturer. 3. Cementitious Backer Units: As recommended by backer unit manufacturer. 2.6 AUXILIARY MATERIALS A. General: Provide auxiliary materials that comply with referenced installation standards and manufacturer's written recommendations. B. Laminating Adhesive: Adhesive or joint compound recommended for directly adhering gypsum panels to continuous substrate. C. Steel Drill Screws: ASTM C 1002, unless otherwise indicated. 1. Use screws complying with ASTM C 954 for fastening panels to steel members from to inch thick. GYPSUM BOARD

5 D. Sound Attenuation Blankets: ASTM C 665, Type I (blankets without membrane facing) produced by combining thermosetting resins with mineral fibers manufactured from glass, slag wool, or rock wool. 1. Fire-Resistance-Rated Assemblies: Comply with mineral-fiber requirements of assembly. E. Thermal Insulation: As specified in Division 7 Section "Thermal Insulation." PART 3 - EXECUTION 3.1 EXAMINATION A. Examine areas and substrates, with Installer present, and including welded hollow-metal frames and framing, for compliance with requirements and other conditions affecting performance. B. Examine panels before installation. Reject panels that are wet, moisture damaged, and mold damaged. C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 APPLYING AND FINISHING PANELS, GENERAL A. Comply with ASTM C 840. B. Install ceiling panels across framing to minimize the number of abutting end joints and to avoid abutting end joints in central area of each ceiling. Stagger abutting end joints of adjacent panels not less than one framing member. C. Install panels with face side out. Butt panels together for a light contact at edges and ends with not more than 1/16 inch of open space between panels. Do not force into place. D. Locate edge and end joints over supports, except in ceiling applications where intermediate supports or gypsum board back-blocking is provided behind end joints. Do not place tapered edges against cut edges or ends. Stagger vertical joints on opposite sides of partitions. Do not make joints other than control joints at corners of framed openings. E. Form control and expansion joints with space between edges of adjoining gypsum panels. F. Cover both faces of support framing with gypsum panels in concealed spaces (above ceilings, etc.), except in chases braced internally. 1. Unless concealed application is indicated or required for sound, fire, air, or smoke ratings, coverage may be accomplished with scraps of not less than 8 sq. ft. in area. 2. Fit gypsum panels around ducts, pipes, and conduits. 3. Where partitions intersect structural members projecting below underside of floor/roof slabs and decks, cut gypsum panels to fit profile formed by structural members; allow 1/4- to 3/8-inch- wide joints to install sealant. G. Isolate perimeter of gypsum board applied to non-load-bearing partitions at structural abutments, except floors. Provide 1/4- to 1/2-inch- wide spaces at these locations, and trim edges with edge trim where edges of panels are exposed. Seal joints between edges and abutting structural surfaces with acoustical sealant. GYPSUM BOARD

6 H. Attachment to Steel Framing: Attach panels so leading edge or end of each panel is attached to open (unsupported) edges of stud flanges first. I. Wood Framing: Install gypsum panels over wood framing, with floating internal corner construction. Do not attach gypsum panels across the flat grain of wide-dimension lumber, including floor joists and headers. Float gypsum panels over these members or provide control joints to counteract wood shrinkage. J. STC-Rated Assemblies: Seal construction at perimeters, behind control joints, and at openings and penetrations with a continuous bead of acoustical sealant. Install acoustical sealant at both faces of partitions at perimeters and through penetrations. Comply with ASTM C 919 and with manufacturer's written recommendations for locating edge trim and closing off sound-flanking paths around or through assemblies, including sealing partitions above acoustical ceilings. 3.3 APPLYING INTERIOR GYPSUM BOARD A. Install interior gypsum board in the following locations: 1. Type X: Vertical and horizontal surfaces, unless otherwise indicated. B. Single-Layer Application: 1. On ceilings, apply gypsum panels before wall/partition board application to greatest extent possible and at right angles to framing, unless otherwise indicated. 2. On partitions/walls, apply gypsum panels vertically (parallel to framing), unless otherwise indicated or required by fire-resistance-rated assembly, and minimize end joints. a. Stagger abutting end joints not less than one framing member in alternate courses of panels. 3. On Z-furring members, apply gypsum panels vertically (parallel to framing) with no end joints. Locate edge joints over furring members. 4. Fastening Methods: Apply gypsum panels to supports with steel drill screws. C. Laminating to Substrate: Where gypsum panels are indicated as directly adhered to a substrate (other than studs, joists, furring members, or base layer of gypsum board), comply with gypsum board manufacturer's written recommendations and temporarily brace or fasten gypsum panels until fastening adhesive has set. 3.4 INSTALLING TRIM ACCESSORIES A. General: For trim with back flanges intended for fasteners, attach to framing with same fasteners used for panels. Otherwise, attach trim according to manufacturer's written instructions. B. Control Joints: Install control joints at locations indicated on drawings or required and according to ASTM C 840 and in specific locations approved by Architect for visual effect. C. Interior Trim: Install in the following locations: 1. Cornerbead: Use at outside corners. 2. LC-Bead: Use at exposed panel edges. 3. L-Bead: Use where indicated or required. GYPSUM BOARD

7 4. U-Bead: Use where indicated or required. 3.5 FINISHING GYPSUM BOARD A. General: Treat gypsum board joints, interior angles, edge trim, control joints, penetrations, fastener heads, surface defects, and elsewhere as required to prepare gypsum board surfaces for decoration. Promptly remove residual joint compound from adjacent surfaces. B. Prefill open joints, rounded or beveled edges, and damaged surface areas. C. Apply joint tape over gypsum board joints, except those with trim having flanges not intended for tape. D. Gypsum Board Finish Levels: Finish panels to levels indicated below and according to ASTM C 840: 1. Level 1: Ceiling plenum areas, concealed areas, and where indicated. 2. Level 4: At panel surfaces that will be exposed to view, unless otherwise indicated. 3.6 PROTECTION A. Protect installed products from damage from weather, condensation, direct sunlight, construction, and other causes during remainder of the construction period. B. Remove and replace panels that are wet, moisture damaged, and mold damaged. 1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, or irregular shape. 2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration. END OF SECTION GYPSUM BOARD

8 THIS PAGE INTENTIONALLY LEFT BLANK

9 SECTION ACOUSTICAL PANEL CEILINGS PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes ceilings consisting of acoustical panels and exposed suspension systems. 1.3 SUBMITTALS A. Product Data: For each type of product specified. B. Samples for Verification: Full-size units of each type of ceiling assembly indicated; in sets for each color, texture, and pattern specified, showing the full range of variations expected in these characteristics inch- square samples of each acoustical panel type, pattern, and color. 2. Set of 12-inch- long samples of exposed suspension system members, including moldings, for each color and system type required. 1.4 QUALITY ASSURANCE A. Installer Qualifications: Engage an experienced installer who has completed acoustical panel ceilings similar in material, design, and extent to that indicated for this Project and with a record of successful in-service performance. B. Source Limitations for Suspension System: Obtain each suspension system from one source with resources to provide products of consistent quality in appearance and physical properties without delaying the Work. 1. Obtain both acoustical ceiling panels and suspension system from the same manufacturer. C. Fire-Test-Response Characteristics: Provide acoustical panel ceilings that comply with the following requirements: 1. Fire-response tests were performed by UL, ITS/Warnock Hersey, or another independent testing and inspecting agency that is acceptable to authorities having jurisdiction and that performs testing and follow-up services. 2. Surface-burning characteristics of acoustical panels comply with ASTM E 1264 for Class A materials as determined by testing identical products per ASTM E DELIVERY, STORAGE, AND HANDLING A. Deliver acoustical panels and suspension system components to Project site in original, unopened packages and store them in a fully enclosed space where they will be protected against damage from moisture, direct sunlight, surface contamination, and other causes. ACOUSTICAL PANEL CEILINGS

10 B. Before installing acoustical panels, permit them to reach room temperature and a stabilized moisture content. C. Handle acoustical panels carefully to avoid chipping edges or damaging units in any way. 1.6 PROJECT CONDITIONS A. 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. 1.7 COORDINATION A. Coordinate layout and installation of acoustical panels and suspension system with other construction that penetrates ceilings or is supported by them, including light fixtures, HVAC equipment, fire-suppression system, and partition assemblies. 1.8 EXTRA MATERIALS A. Furnish extra materials described below that match products installed, are packaged with protective covering for storage, and are identified with labels describing contents. 1. Acoustical Ceiling Units: Full-size units equal to 2.0 percent of amount installed. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, those indicated for each designation in the Acoustical Panel Ceiling Schedule at the end of Part ACOUSTICAL PANELS, GENERAL A. Acoustical Panel Standard: Provide manufacturer's standard panels of configuration indicated that comply with ASTM E 1264 classifications as designated by types, patterns, acoustical ratings, and light reflectances, unless otherwise indicated. B. Acoustical Panel Colors and Patterns: Match appearance characteristics indicated for each product type. 1. Where appearance characteristics of acoustical panels are indicated by referencing ASTM E 1264 pattern designations and not manufacturers' proprietary product designations, provide products selected by Architect from each manufacturer's full range of products that comply with requirements indicated for type, pattern, color, light reflectance, acoustical performance, edge detail, and size. 2.3 METAL SUSPENSION SYSTEMS, GENERAL A. Metal Suspension System Standard: Provide manufacturer's standard direct-hung metal suspension systems of types, structural classifications, and finishes indicated that comply with applicable ASTM C 635 requirements. ACOUSTICAL PANEL CEILINGS

11 B. Finishes and Colors, General: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes. Provide manufacturer's standard factory-applied finish for type of system indicated. C. Wire Hangers, Braces, and Ties: Provide wires complying with the following requirements: 1. Zinc-Coated Carbon-Steel Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper. 2. Size: Select wire diameter so its stress at three times hanger design load (ASTM C 635, Table 1, Direct Hung) will be less than yield stress of wire, but provide not less than inch- diameter wire. D. Hanger Rods: Mild steel, zinc coated or protected with rust-inhibitive paint. E. Flat Hangers: Mild steel, zinc coated or protected with rust-inhibitive paint. F. Sheet-Metal Edge Moldings and Trim: Type and profile indicated or, if not indicated, manufacturer's standard moldings for edges and penetrations that fit acoustical panel edge details and suspension systems indicated; formed from sheet metal of same material and finish as that used for exposed flanges of suspension system runners. 1. For circular penetrations of ceiling, provide edge moldings fabricated to diameter required to fit penetration exactly. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine substrates and 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 other conditions affecting performance of acoustical panel ceilings. 1. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Coordination: Furnish layouts for cast-in-place anchors, clips, and other ceiling anchors whose installation is specified in other Sections. B. 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. 3.3 INSTALLATION A. General: Install acoustical panel ceilings to comply with publications referenced below per manufacturer's written instructions and CISCA's "Ceiling Systems Handbook." 1. Standard for Ceiling Suspension System Installations: Comply with ASTM C 636. B. Suspend ceiling hangers from building's structural members and as follows: 1. 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. ACOUSTICAL PANEL CEILINGS

12 2. Splay hangers only where required to miss obstructions; offset resulting horizontal forces by bracing, countersplaying, or other equally effective means. 3. 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. Size supplemental suspension members and hangers to support ceiling loads within performance limits established by referenced standards and publications. 4. 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; that are appropriate for substrate; and that will not deteriorate or otherwise fail due to age, corrosion, or elevated temperatures. 5. Do not support ceilings directly from permanent metal forms or floor deck. Fasten hangers to cast-in-place hanger inserts, powder-actuated fasteners, or drilled-in anchors that extend through forms into concrete. 6. Do not attach hangers to steel roof deck. Attach hangers to structural members. 7. Space hangers not more than 48 inches o.c. along each member supported directly from hangers, unless otherwise indicated; and provide hangers not more than 8 inches from ends of each member. C. 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. D. Install edge moldings and trim of type indicated at perimeter of acoustical ceiling area and where necessary to conceal edges of acoustical panels. 1. Screw attach moldings to substrate at intervals not more than 16 inches o.c. and not more than 3 inches from ends, leveling with ceiling suspension system to a tolerance of 1/8 inch in 12 feet. Miter corners accurately and connect securely. 2. Do not use exposed fasteners, including pop rivets, on moldings and trim. E. Install suspension system runners so they are square and securely interlocked with one another. Remove and replace dented, bent, or kinked members. F. Install acoustical panels with undamaged edges and fitted accurately into suspension system runners and edge moldings. Scribe and cut panels at borders and penetrations to provide a neat, precise fit. 1. Arrange directionally patterned acoustical panels as follows: a. As indicated on reflected ceiling plans. 2. For square-edged panels, install panels with edges fully hidden from view by flanges of suspension system runners and moldings. 3. For reveal-edged panels on suspension system runners, install panels with bottom of reveal in firm contact with top surface of runner flanges. 4. Paint cut panel edges remaining exposed after installation; match color of exposed panel surfaces using coating recommended in writing for this purpose by acoustical panel manufacturer. 3.4 CLEANING ACOUSTICAL PANEL CEILINGS

13 A. 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. 3.5 ACOUSTICAL PANEL CEILING SCHEDULE A. Ceramic and Mineral Fiber Composite Panel (A1): 1. Products: Equal to the following: a. Armstrong Ceramaguard Fine Fussured 607 (perforated). 2. Pattern: Panels fitting ASTM E 1264 pattern designation as indicated below. a. Type IV, Form 2, Pattern E. 3. Color: White. 4. Light Reflectance Coefficient: Not less than LR Noise Reduction Coefficient: NCR Ceiling Attenuation Class: CAC Edge Detail: Square. 8. Thickness: 5/8 inch. 9. Size: 24 inches x 24 inches. B. Suspension System for Acoustical Panel Ceiling Systems (A1): 1. Products: Equal to the following: a. Armstrong Prelude Plus XL Aluminum. 2. Wide-Face, Capped, Double-Web, Aluminum Suspension System. 3. Structural Classification: Intermediate-duty system. 4. End Condition of Cross Runners: Override (stepped) type. 5. Face Design: Flush face. 6. Cap Material: aluminum sheet as standard with manufacturer. 7. Cap Finish: White baked polyester paint. END OF SECTION ACOUSTICAL PANEL CEILINGS

14 THIS PAGE INTENTIONALLY LEFT BLANK

15 SECTION EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of Contract; including General and Supplementary Conditions and Division 01 Sections, apply to work of this Section. 1.2 SUMMARY A. This Section includes the following: 1. Seamless troweled resinous flooring (indicated as poured epoxy coating system in the Finish Schedule Legend). 2. Coved seamless wall base. B. Related Sections include: 1. Division 04 Section Unit Masonry for installation requirements for CMU to be coated with epoxy resinous wall system. 2. The Contractor shall coordinate the installation and finishing of the concrete floors in the areas to receive epoxy resinous flooring. 1.3 QUALITY ASSURANCE A. All materials must be recommended and manufactured by a single supplier to insure compatibility and proper chemical and mechanical bond. B. Surfacing shall be applied by a surfacing applicator approved by the Architect, with a minimum of seven (7) years experience installing the brand of surfacing in similar size and function projects. A list of ten (10) completed projects using the specified materials must be submitted proving seven (7) years experience by the lead mechanic. C. Surfacing applicator shall provide to the Architect a completed list of jobs including the names of the Architect, General Contractor, Owner, telephone numbers of all concerned, materials used, quantity installed and date completed on similar projects. D. Surfacing applicator must provide a written joint guarantee for materials and workmanship between applicator and surfacing manufacturer for one (1) year. E. Surfacing applicator or manufacturer seeking approval of products other than what is specified must supply samples, full product information, technical data with specifications, certification from an independent testing laboratory that the product being submitted for approval meets all requirements of the performance properties specified within this specification, installation instructions and comply with the above quality assurances in writing fourteen (14) days before bid letting. Omission of any item will result in an automatic rejection. F. Bidders will be notified by addendum of substitute surfacing materials, if approved. EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

16 1.4 SUBMITTALS A. Surfacing applicator shall submit samples of color and textures for Architect s approval. B. Prior to commencing the work, at Architect s discretion, applicator shall install a 100 square foot sample on the job of desired color and texture and when approved, this will serve as the standard for the entire project. 1.5 PRODUCT STORAGE AND ENVIRONMENTAL CONDITIONS A. Material temperature shall be a minimum of 55 degrees F before use. B. Work on seamless flooring shall not commence until the building can be maintained at a minimum temperature of 55 degrees F for 48 hours before, during and 48 hours after application. Areas shall also be broom clean and reasonably dust free and shall have adequately controlled ventilation with bright, uniform lighting. 1.6 PROJECT CONDITIONS A. Before commencing work, ensure environmental and site conditions are suitable for application and curing. B. Surfaces shall be acceptable in accordance with flooring manufacturer s recommendations. C. Notify Architect and Contractor in writing of unsuitable surfaces and conditions. Commencement of work shall imply acceptance of surfaces and working conditions. D. Recommended Moisture Vapor Transmission Considerations: 1. Placement of on-grade slabs over a Class A vapor retarder as defined by ASTM E A water cement ratio of 0.45 and Curing by ASTM C-171 sheet materials for curing concrete. 4. A slump in the range of 3 to 4 inches which can be increased by the use of super plasticizers. E. Substrate Requirements: Floor substrate must be examined and approved by the flooring manufacturer before installation may begin. 1.7 PROTECTION A. Protect adjacent surfaces from damage resulting from work of this trade. If necessary, mask and / or cover adjacent surfaces, fixtures, cabinet work, equipment, etc. by suitable means. 1.8 WARRANTY A. Applicator shall notify manufacturer of project requirements before bidding. Manufacturer shall provide written statement before bidding to the Architect that they accept single source warranty for entire installation including labor for one year. Warranty shall include removal and replacement if proven defective. Defective items are, but not limited to debonding, regionalized discoloration, excessive wear and staining by bodily fluids. Non-acceptance in writing by manufacturer is grounds for rejection of product. EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

17 PART 2 - PRODUCTS 2.1 MATERIALS A. Basis-of-Design Product: The design for epoxy resinous floor and wall system is based on the product specified. Subject to compliance with requirements, provide either the named product or an approved comparable product by one of the other manufacturers specified. 1. Specified Product: Product specified as a standard of quality is Desco Quartz Cremona Floor and Wall System as manufactured by Desco Coatings, Inc a. Crossfield Products Corp. b. Tnemec Company Incorporated. c. Stonhard, Inc. B. Provide 6 high turned up coved base with 1 radius cove as indicated on drawings. C. Provide material troweled up wall to height shown on elevations. Provide the following trim unit for terminating the coating system at the locations where the flooring / wall system turns up the wall surface. D. Trim Unit: A zinc terrazzo strip with a 1/8 lip. Trim shall be adhered to the wall then the coating troweled to and terminated at the strip. The trim unit shall have holes in the adhered leg to allow the epoxy quartz mix to bond through the holes to the wall. Website for the trim unit, Also use trim unit for transition to resilient sheet flooring, unless noted otherwise. E. Provide elastomeric waterproof membrane. F. Binder and all successive grout and top coats shall be 100% solids clear / epoxy resin. Ceramic coated quartz aggregates are to be used to achieve all color. No pigmented epoxy base or top coats allowed. G. Minimum Performance Characteristics: 1. Compressive Strength (ASTM C-579) 10,700 11,000 psi 2. Tensile Strength (ASTM C-307) 2,250 psi 3. Flexural Strength 4,000 psi 4. Shore D Hardness (ASTM D-2240) Bond Strength (ASTM D-4541) 425 psi 6. Abrasion Resistance (ASTM D-460) 0.08 mg 7. Pot Life 35 min 8. Cure 77 F hours 9. Flammability (ASTM D-635) passes 10. Impact Resistance (MIL-D-3135) 160 in/lb 11. Indention (MIL-D-3134) 2,000 psi 12. Tabor Abrasion w/ aluminum oxide mg loss H. Epoxy top coats shall produce no color shift after exposure to fluorescent lighting on the b axis yellow index after 3 weeks exposure. 20% Hydrochloric Acid 10% Lactic Acid Urine Tea Coffee Mustard EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

18 Ethyl Alcohol Mercurochrome Betadyne PART 3 - EXECUTION 3.1 TESTING OF CONCRETE SUBSTRATE A. One of the following three methods shall be used to determine moisture content of slab at time of application. These test only measure the specific area tested at the time of the test and are not predictors of future substrate conditions. 1. Using a Tramax concrete moisture detection device, firmly apply the test apparatus to concrete that has had sealers or other subsequent coatings removed. The readings shall be 4.2% or less. If readings are higher, use ASTM F-2170 for non conditional spaces and / or ASTM F-1869 for conditioned spaces. 2. ASTM F-2170 in sites Relative Humidity Test. Follow test procedures of manufacturer of testing equipment. Reading should be below 80%. If above 80%, use the next test method below. (Only if space is conditioned.) 3. ASTM F-1869 Calcium Chloride Moisture Vapor Transmission Test. Follow test procedures of manufacturers of MVT kits. Results should be below 3 to 4 lbs / 1,000 square feet / 24 hours. 3.2 FLOORING AND WALL BASE PREPARATION A. Allow concrete to cure 28 days minimum before applying floor system. B. Concrete after surface preparation is to be free from sealers or membrane curing agents. C. The floor contractor may fill non-moving control joint(s) with approved elastomeric sealant or full depth semi-rigid two-component epoxy joint filler, designed specifically for this purpose (use full depth joint filler when reinforcement of the joint edges is desirable), or two-component epoxy and filler (epoxy to be same material as flooring). Movement may crack surfacing unless proper detailing has been done. D. Filling of moving isolation joints or expansion joints is not recommended. E. Filling of non-moving isolation joints with elastomeric caulking and sealants or with a semi-rigid epoxy joint filler or two-component epoxy and filler is acceptable. Movement may crack surfacing unless proper detailing has been done. F. Joint identified by owner / designer or general contractor as moving joints shall be treated by terminating flooring on each side of joint. After flooring is completed, joint shall then be filled by sealant contractor. G. Surface must be clean, sound and dry. H. Effectively remove concrete laitance on accessible floor surfaces by mechanical shot blast. Acid etching is not acceptable. I. Areas of wall are to be clean, dry. Backing must be taped and floated by others. EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

19 J. Backing for Cove Base: Surface to receive cove and / or base shall be strong, durable and dry. Suitable backings include: concrete, cement plaster, standard light-weight block, clay, sandlime, cement bricks and drywall with a toe plate. Masonry surface(s) to be free of voids, irregularities and recessed joints (if present, fill with recommended epoxy plaster). 3.3 FLOORING AND WALL BASE APPLICATION A. Apply flooring in accordance with manufacturer s printed instructions, employing lead mechanic qualified under the quality assurance portion of this specification, using equipment specifically designed for this purpose. B. Desco Quartz Cremona TG is a hand-troweled grade 11 Desco quartz aggregate with 20% of grade 28 as a filler. The system should be hand-troweled to 3/16 thickness over epoxy primer. C. Walls 1. Walls shall be troweled over wet primer at a nominal 1/8 thickness. Inside corners shall be rounded slightly. Extreme care must be taken during this process as to not leave cat faces or holes for over troweling. 2. Troweled walls shall be hand sanded with a minimum of 3 clear resin coats applied. D. Install integral cove base to height of 6 with 1 radius cove. 1. Trowel apply vertical cove base. 2. Hand sand cove base. 3. Apply three coats of resin to assure a smooth surface and cove. 4. Do not allow resin to puddle in cove. E. Sloping in designated areas: In any area with a floor drain that has not been sloped to drain, 1/8 per foot minimum slope shall be established with trowel epoxy and bagged silica. F. Install waterproof membrane to a dry mil thickness of 20 mils. G. In wet area incorporate aluminum oxide in final coat. Job site samples to be provided for Architect s approval. H. Finished work shall match approved samples; be uniform in thickness, sheen, color, pattern, and texture; and be free from defects detrimental to performance. 3.4 PROTECTION A. After completion of flooring the General Contractor / Owner shall protect flooring from damage by other trades. EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

20 APPENDIX A GENERAL SUBFLOOR REQUIREMENTS 3.5 CONCRETE Section A. Concrete should have been designed and installed to minimize random cracking and slab deflections; provide sufficient control joints and isolation joints. B. Placement of on-grade slabs over a Class A vapor retarder as defined by ASTM E C. A water cement ratio of 0.45 and 0.5. D. Curing by ASTM C-171 sheet materials for curing concrete. E. A slump in the range of 3 to 4 inches that can be increased by the use of super plasticizers. F. Variation in plane shall be in accordance with ACI 302, Guide for Concrete Floor and Slab, as well as ASTM E Determining floor flatness and levelness using the F Number System. G. Proper slope to drain(s) must be maintained. H. Steel trowel finish, but not burnished to a high sheen. I. Concrete to be clean, crack free, sound and durable (minimum compressive strength of 3,000 psi) and dry 3% maximum moisture content by mass.) J. Concrete must be free of hydrostatic and / or capillary moisture pressure and should not be in direct contact with the ground. An effective vapor barrier and properly engineered soil are required. K. Allow concrete to cure 28 days minimum before applying floor system. L. Concrete after surface preparation is to be free from sealers or membrane curing agents. M. Light weight and insulating concrete not recommended under flooring system. N. (See applicator and manufacturer for alternate recommendations.) 3.6 CONTROL JOINTS A. Install control and expansion joints in accordance with standard practice per ACI-501. B. The floor contractor may fill non-moving control joint(s) with approved elastomeric sealant or full depth semi-rigid two-component epoxy joint filler, designed specifically for this purpose (use full depth joint filler when reinforcement of the joint edges is desirable), or two-component epoxy and filler (epoxy to be same material as flooring). Movement may crack surfacing unless proper detailing has been done. C. Filling of moving isolation joints or expansion joints is not recommended. EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

21 D. Filling of moving isolation joints or expansion joints is not recommended. E. Filling of non-moving isolation joints with elastomeric caulking and sealants or with a semi-rigid epoxy joint filler or two-component epoxy and filler is acceptable. Movement may crack surfacing unless proper detailing has been done. F. Joint identified by owner / designer or general contractor as moving joints shall be treated by terminating flooring on each side of joint. After flooring is completed, joint shall then be filled by sealant contractor. 3.7 BACKING FOR COVE BASE A. Surface to receive cove and / or base shall be strong, durable, and dry. Suitable backings include; concrete, cement plaster, standard light-weight block, clay, sand-time, cement bricks and drywall with a toe plate. Masonry surface(s) to be free of voids, irregularities and recessed joints (if present, fill with recommended epoxy plaster). END OF SECTION EPOXY RESINOUS FLOOR AND WALL BASE SYSTEM

22 THIS PAGE INTENTIONALLY LEFT BLANK

23 SECTION HIGH-PERFORMANCE COATINGS PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. B. Coordinate with Section Unit Masony, Spec-finish is a preconditioned dense, medium weight CMU block which will be used with high performance coating should the alternate be accepted. 1.2 SUMMARY A. Section includes surface preparation and application of high-performance coating systems on the following substrates: 1. Interior Substrates: a. Hollow Metal Doors And Frames b. Concrete Masonry Units (CMU) and Poured Concrete Walls. c. Bar Joist/Exposed Decking d. Shower Walls B. Related Requirements: 1. Section Indoor air quality 2. Section Hollow metal doors and frames 3. Section "Exterior Painting" for special-use coatings and general field painting. 4. Section "Interior Painting" for special-use coatings and general field painting. 1.3 DEFINITIONS A. Gloss Level 6: 70 to 85 units at 60 degrees, according to ASTM D 523. B. Gloss Level 7: More than 85 units at 60 degrees, according to ASTM D 523. C. Definitions of painting terms; In accordance with ASTM D 16, unless otherwise noted. D. Dry film thickness (DFT): Thickness of a coat of paint in fully cured state measured in mils (1/1000 inch). 1.4 ACTION SUBMITTALS A. Product Data: For each type of product indicated. Include preparation requirements and application instructions. HIGH-PERFORMANCE COATINGS

24 B. Samples for Verification: For each type of coating system and in each color and gloss of topcoat indicated. 1. Submit Samples on rigid backing, 8 inches (200 mm) square. 2. Step coats on Samples to show each coat required for system. 3. Label each coat of each Sample. 4. Label each Sample for location and application area. C. Product List: For each product indicated, include the following: 1. Cross-reference to paint system and locations of application areas. Use same designations indicated on Drawings and in schedules. 2. VOC content. 1.5 MAINTENANCE MATERIAL SUBMITTALS A. Furnish extra materials, from the same product run, that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. 1. Coatings: 5 percent, but not less than 1 gal. (3.8 L) of each material and color applied. 1.6 QUALITY ASSURANCE A. Mockups: Apply mockups of each coating system indicated to verify preliminary selections made under sample submittals and to demonstrate aesthetic effects and set quality standards for materials and execution. 1. Architect will select one surface to represent surfaces and conditions for application of each coating system specified in Part 3. a. Wall and Ceiling Surfaces: Provide samples of at least 100 sq. ft. (9 sq. m). b. Other Items: Architect will designate items or areas required. 2. Final approval of color selections will be based on mockups. a. If preliminary color selections are not approved, apply additional mockups of additional colors selected by Architect at no added cost to Owner. 3. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless Architect specifically approves such deviations in writing. 4. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion. B. Pre-application Meeting: Convene a preapplication meeting before start of application of coating system. Require attendance of parties directly affecting work of this section, including Contractor, Architect, applicator, and manufacturer s representative. Review the following: 1. Environmental requirements. 2. Protection of surfaces not scheduled to be coated. 3. Surface preparation. 4. Application methods. 5. Repair. HIGH-PERFORMANCE COATINGS

25 6. Field quality control. 7. Cleaning. 8. Protection of coating systems. 9. One year inspection. 10. Coordination with other work. 1.7 DELIVERY, STORAGE, AND HANDLING A. Store materials not in use in tightly covered containers in well-ventilated areas with ambient temperatures continuously maintained at not less than 45 deg F (7 deg C). 1. Maintain containers in clean condition, free of foreign materials and residue. 2. Remove rags and waste from storage areas daily. B. Storage: 1. Store materials in a clean dry area and within temperature range in accordance with manufacturer s instructions. 2. Keep containers sealed until ready for use. 3. Do not use materials beyond manufacturer s shelf life limits. C. Store and dispose of solvent based materials, and material used with solvent based materials, in accordance with requirements with requirements of local authorities having jurisdiction. 1.8 FIELD CONDITIONS A. Maintain environmental conditions (temperature, humidity and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer s limits. B. Do not apply exterior coatings in snow, rain, fog, or mist. C. Ventilation: Provide ventilation during coating evaporation stage in confined or enclosed areas in accordance to regulatory requirements. D. Dust and Containment: 1. Schedule coating work to avoid dust and airborne containments. 2. Protect work areas from dust and airborne containments during coating application and curing. E. Weather: 1. Air and Surface Temperatures: Prepare surfaces and apply and cure coatings within air and surface temperature range in accordance with manufacturer s instructions. 2. Surface Temperature: Minimum of 5 degrees F (3 degrees C) above dew point. 3. Relative Humidity: Prepare surfaces and apply and cure coatings within relative humidity range in accordance with manufacturer s instructions. 4. Precipitation: Do not prepare surfaces or apply coatings in rain, snow, fog, or mist. 5. Wind: Do not spray coatings if wind velocity is above manufacturer s limit. HIGH-PERFORMANCE COATINGS

26 PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Basis of Design Product: The design for materials is based on products indicated. Subject to compliance with requirements provide the named product or a comparable product by a preapproved manufacturer or equal properties and design requirements. 1. Basis of Design: Tnemec Company Incorporated B. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to products listed in other Part 2 articles for the category indicated. 2.2 HIGH-PERFORMANCE COATINGS, GENERAL A. Material Compatibility: 1. Provide materials for use within each coating system that are compatible with one another and substrates indicated, under conditions of service and application as demonstrated by manufacturer, based on testing and field experience. 2. For each coat in a coating system, provide products recommended in writing by manufacturers of topcoat for use in coating system and on substrate indicated. 3. Provide products of same manufacturer for each coat in a coating system. B. VOC Content: Products shall comply with VOC limits of authorities having jurisdiction and, for interior coatings applied at project site, the following VOC limits, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24). 1. Flat Paints and Coatings: 50 g/l. 2. Nonflat Paints and Coatings: 150 g/l. 3. Primers, Sealers, and Undercoaters: 200 g/l. 4. Anti-Corrosive and Anti-Rust Paints Applied to Ferrous Metals: 250 g/l. 5. Zinc-Rich Industrial Maintenance Primers: 340 g/l. 6. Pre-Treatment Wash Primers: 420 g/l. 7. Floor Coatings: 100 g/l. 8. Shellacs, Clear: 730 g/l. 9. Shellacs, Pigmented: 550 g/l. C. Colors: As selected by Architect from manufacturer's full range. 2.3 SOURCE QUALITY CONTROL A. Testing of Coating Materials: Owner reserves the right to invoke the following procedure: 1. Owner will engage the services of a qualified testing agency to sample coating materials. Contractor will be notified in advance and may be present when samples are taken. If coating materials have already been delivered to Project site, samples may be taken at Project site. Samples will be identified, sealed, and certified by testing agency. 2. Testing agency will perform tests for compliance with product requirements. HIGH-PERFORMANCE COATINGS

27 3. Owner may direct Contractor to stop applying paints if test results show materials being used do not comply with product requirements. Contractor shall remove noncomplying coating materials from Project site, pay for testing, and recoat surfaces coated with rejected materials. Contractor will be required to remove rejected materials from previously coated surfaces if, on recoating with complying materials, the two coatings are incompatible. 2.4 HIGH-PERFORMANCE COATING SCHEDULE Concrete Foundation Walls - Interior Walls IPS-1 Typical unless otherwise noted (benign environment) Surface Preparation - Surface Preparation: Wall shall be clean, dry and fee from contaminants prior to application of coating. Block Filler - Tnemec Series 1254 Epoxoblock sq ft per gallon Prime Coat - Tnemec Series mils DFT Finish Coat - Tnemec Series mils DFT Press Box CMU Walls - IPS-2 Surface Preparation - Surface Preparation: Wall shall be clean, dry and fee from contaminants prior to application of coating. Prime Coat - Tnemec Series 27WB mils DFT Finish Coat - Tnemec Series mils DFT CMU Walls - Interior Walls IPS-2 Typical unless otherwise noted (benign environment) Surface Preparation - Surface Preparation: Wall shall be clean, dry and fee from contaminants prior to application of coating. Block Filler - Tnemec Series 1254 Epoxoblock sq ft per gallon Prime Coat - Tnemec Series mils DFT Finish Coat - Tnemec Series mils DFT Shower Walls - IPS-2 Surface Preparation - Surface Preparation: Wall shall be clean, dry and fee from contaminants prior to application of coating. Block Filler - Tnemec Series 1254 Epoxoblock sq ft per gallon Prime Coat - Tnemec Series mils DFT Finish Coat - Tnemec Series mils DFT Gypsum Board Walls Pressbox and Locker Room - IPS-3 Surface Preparation - Surface Preparation: Wall shall be clean, dry and fee from contaminants prior to application of coating. Tnemec Series 151 Tnemec Series 280 Tnemec Series mils Hollow Metal Doors and Frames: - IPS -5 Surface preparation: SSPC SP-2 or SP-3 Hand or power tool clean. Primer: Tnemec Series 115 Uni-Bond 2.0 to 4.0 mils DFT Finish: Tnemec Series to 3.0 mils DFT HIGH-PERFORMANCE COATINGS