SECTION 05520 - HANDRAIL AND RAILINGS PART 1 GENERAL 1.01 SECTION INCLUDES A. Guardrails. 1.02 REFERENCE STANDARDS A. ASTM A 53/A 53M - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless; 2007. B. ASTM A 500 - Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes; 2007. C. ASTM E 935 - Standard Test Methods for Performance of Permanent Metal Railing Systems and Rails for Buildings; 2000 (Reapproved 2006). D. ASTM E 985 - Standard Specification for Permanent Metal Railing Systems and Rails for Buildings; 2000 (Reapproved 2006). 1.03 SUBMITTALS A. See Section 01300 - Administrative Requirements, for submittal procedures. B. Shop Drawings: Indicate profiles, sizes, connection attachments, anchorage, size and type of fasteners, and accessories. PART 2 PRODUCTS 2.01 RAILINGS - GENERAL REQUIREMENTS A. Design, fabricate, and test railing assemblies in accordance with the most stringent requirements of ASTM E 985 and applicable local code. B. Design railing assembly, wall rails, and attachments to resist lateral force of 75 lbs (333 N) at any point without damage or permanent set. Test in accordance with ASTM E 935. C. Allow for expansion and contraction of members and building movement without damage to connections or members. D. Dimensions: See drawings for configurations and heights. E. Provide anchors and other components as required to attach to structure, made of same materials as railing components unless otherwise indicated; where exposed fasteners are unavoidable provide flush countersunk fasteners. HANDRAIL AND RAILINGS 05520-1
F. Provide welding fittings to join lengths, seal open ends, and conceal exposed mounting bolts and nuts, including but not limited to elbows, T-shapes, splice connectors, flanges, escutcheons, and wall brackets. 2.02 STEEL RAILING SYSTEM A. Steel Tube: ASTM A 500, Grade B cold-formed structural tubing. B. Steel Pipe: ASTM A 53/A 53M, Grade B Schedule 40, black finish. C. Welding Fittings: Factory- or shop-welded from matching pipe or tube; seams continuously welded; joints and seams ground smooth. 2.03 FABRICATION A. Accurately form components to suit specific project conditions and for proper connection to building structure. B. Fit and shop assemble components in largest practical sizes for delivery to site. C. Fabricate components with joints tightly fitted and secured. Provide spigots and sleeves to accommodate site assembly and installation. D. Welded Joints: 1. Exterior Components: Continuously seal joined pieces by intermittent welds and plastic filler. Drill condensate drainage holes at bottom of members at locations that will not encourage water intrusion. 2. Interior Components: Continuously seal joined pieces by intermittent welds and plastic filler. 3. Grind exposed joints flush and smooth with adjacent finish surface. Make exposed joints butt tight, flush, and hairline. Ease exposed edges to small uniform radius. PART 3 EXECUTION 3.01 EXAMINATION A. Verify that field conditions are acceptable and are ready to receive work. 3.02 PREPARATION 3.03 INSTALLATION A. Install components plumb and level, accurately fitted, free from distortion or defects, with tight joints. HANDRAIL AND RAILINGS 05520-2
B. Anchor railings securely to structure. 3.04 TOLERANCES A. Maximum Variation From Plumb: 1/4 inch (6 mm) per floor level, non-cumulative. B. Maximum Offset From True Alignment: 1/4 inch (6 mm). C. Maximum Out-of-Position: 1/4 inch (6 mm). END OF SECTION HANDRAIL AND RAILINGS 05520-3
SECTION 06100 - ROUGH CARPENTRY PART 1 GENERAL 1.01 SECTION INCLUDES A. Non-structural dimension lumber framing. B. Rough opening framing for doors, windows, and roof openings. C. Roof-mounted curbs. D. Fire retardant treated wood materials. E. Miscellaneous framing and sheathing. F. Communications and electrical room mounting boards. G. Concealed wood blocking, nailers, and supports. H. Miscellaneous wood nailers, furring, and grounds. 1.02 REFERENCE STANDARDS A. APA PRP-1 08/ APA PRP-1 08,Form B455 - Performance Standards and Qualification Policy for Structural-Use Panels; 2001 B. ASTM A 153/A 153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware; 2005. C. ASTM D 2898 - Standard Test Methods for Accelerated Weathering of Fire-Retardant-Treated Wood for Fire Testing; 2007. D. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials; 2008. E. AWPA Ul - Use Category System: User Specification for Treated Wood; American Wood-Protection Association; 2007. F. PS 20 - American Softwood Lumber Standard; National Institute of Standards and Technology (Department of Commerce); 2005. G. WWPA G-5 - Western Lumber Grading Rules; Western Wood Products Association; 2005. PART 2 PRODUCTS ROUGH CARPENTRY 06100-1
2.01 GENERAL REQUIREMENTS A. Dimension Lumber: Comply with PS 20 and requirements of specified grading agencies. 1. Species: Spruce-Pine-Fir (South), unless otherwise indicated. 2. If no species is specified, provide any species graded by the agency specified; if no grading agency is specified, provide lumber graded by any grading agency meeting the specified requirements. 3. Grading Agency: Any grading agency whose rules are approved by the Board of Review, American Lumber Standard Committee (www.alsc.org) and who provides grading service for the species and grade specified; provide lumber stamped with grade mark unless otherwise indicated. B. Lumber fabricated from old growth timber is not permitted. 2.02 DIMENSION LUMBER FOR CONCEALED APPLICATIONS A. Grading Agency: Western Wood Products Association (WWPA). B. Sizes: Nominal sizes as indicated on drawings, S4S. C. Moisture Content: S-dry or MCI 9. D. Miscellaneous Framing, Blocking, Nailers, Grounds, and Furring: 1. Lumber: S4S, No. 2 or Standard Grade. 2. Boards: Standard or No. 3. 2.03 CONSTRUCTION PANELS A. Subflooring: APA PRP-108/APA PRP-1 08, Form B455: Rated Sheathing. 1. Exposure Class: Exterior. 2. Span Rating: 32/16 inches (812/406 mm). B. Roof Sheathing: APA PRP-108/APA PRPR-1 08, Form B455, Structural I Rated Sheathing, Exterior Exposure Class, and as follows: 1. Span Rating: 24/0 (610/0). C. Wall Sheathing: APA PRP-108/APA PRP-1 08, Form B455 Structural I Rated Sheathing, Exterior Exposure Class, and as follows: 1. Span Rating: 24/0 (610/0). ROUGH CARPENTRY 06100-2
D. Communications and Electrical Room Mounting Boards: PS 1 A-D plywood, or medium density fiberboard; 3/4 inch (19 mm) thick; flame spread index of 25 or less, smoke developed index of 450 or less, when tested in accordance with ASTM E 84. 2.04 ACCESSORIES A. Fasteners and Anchors: 1. Metal and Finish: Hot-dipped galvanized steel per ASTM A 153/A 153M for high humidity and preservative-treated wood locations, unfinished steel elsewhere. B. Subfloor Glue: Waterproof, water base, air cure type, cartridge dispensed. 2.05 FACTORY WOOD TREATMENT A. Treated Lumber and Plywood: Comply with requirements of AWPA Ul - Use Category System for wood treatments determined by use categories, expected service conditions, and specific applications. 1. Fire-Retardant Treated Wood: Mark each piece of wood with producer's stamp indicating compliance with specified requirements. B. Fire Retardant Treatment: PART 3 EXECUTION 3.01 INSTALLATION - GENERAL A. Select material sizes to minimize waste. B. Reuse scrap to the greatest extent possible; clearly separate scrap for use on site as accessory components, including: shims, bracing, and blocking. C. Where treated wood is used on interior, provide temporary ventilation during and immediately after installation sufficient to remove indoor air contaminants. 3.02 BLOCKING, NAILERS, AND SUPPORTS A. Provide framing and blocking members as indicated or as required to support finishes, fixtures, specialty items, and trim. B. In metal stud walls, provide continuous blocking around door and window openings for anchorage of frames, securely attached to stud framing. ROUGH CARPENTRY 06100-3
C. In walls, provide blocking attached to studs as backing and support for wall-mounted items, unless item can be securely fastened to two or more studs or other method of support is explicitly indicated. D. Where ceiling-mounting is indicated, provide blocking and supplementary supports above ceiling, unless other method of support is explicitly indicated. E. Specifically, provide the following non-structural framing and blocking: 1. Cabinets and shelf supports. 2. Wall brackets. 3. Handrails. 4. Grab bars. 5. Towel and bath accessories. 6. Wall-mounted door stops. 7. Chalkboards and marker boards. 8. Wall paneling and trim. 9. Joints of rigid wall coverings that occur between studs. 10. Other locations, as noted on drawings. 3.03 INSTALLATION OF CONSTRUCTION PANELS A. Communications and Electrical Room Mounting Boards: Secure with screws to studs with edges over firm bearing; space fasteners at maximum 24 inches (610 mm) on center on all edges and into studs in field of board. 3.04 CLEANING 1. Where boards are indicated as full floor-to-ceiling height, install with long edge of board parallel to studs. 2. Install adjacent boards without gaps. A. Do not leave any wood, shavings, sawdust, etc. on the ground or buried in fill. B. Prevent sawdust and wood shavings from entering the storm drainage system. END OF SECTION ROUGH CARPENTRY 06100-4
SECTION 06200 - FINISH CARPENTRY PART 1 GENERAL 1.01 SECTION INCLUDES A. Finish carpentry items. B. Wood casings and moldings. C. Hardware and attachment accessories. 1.02 RELATED REQUIREMENTS A. Section 06100 - Rough Carpentry: Support framing, grounds, and concealed blocking. B. Section 06410 - Custom Cabinets: Shop fabricated custom cabinet work. C. Section 08211 - Flush Wood Doors. D. Section 08800 - Glazing: Glass and glazing of wood partitions and screens. E. Section 09900 - Paints and Coatings: Painting and finishing of finish carpentry items. 1.03 ADMINISTRATIVE REQUIREMENTS A. Coordinate the work with plumbing rough-in, electrical rough-in, and installation of associated and adjacent components. 1.04 DELIVERY, STORAGE, AND HANDLING A. Protect work from moisture damage. PART 2 PRODUCTS 2.01 MATERIALS - GENERAL A. Unless otherwise indicated provide products of quality specified by AWI Architectural Woodwork Quality Standards Illustrated for Premium grade. Finger jointed material shall not be used. 2.02 WOOD-BASED COMPONENTS A. Wood fabricated from old growth timber is not permitted. 2.03 LUMBER MATERIALS FINISH CARPENTRY 06200-1
A. Softwood Lumber: White Pine, Poplar, or Lodgepole Pine species, maximum moisture content of 6 percent; with vertical grain,. 2.04 ACCESSORIES A. Glass: Type as specified in Section 08800. B. Wood Filler: Solvent base, tinted to match surface finish color. 2.05 HARDWARE A. Hardware: Comply with BHMA Al 56.9. B. Sliding Glass Window: Aluminum or stainless steel track top and bottom. Provide ball bearing rollers for sliding components. Provide keyed cam lock and finger pulls. 2.06 FABRICATION A. Shop assemble work for delivery to site, permitting passage through building openings. B. When necessary to cut and fit on site, provide materials with ample allowance for cutting. Provide trim for scribing and site cutting. 2.07 SHOP FINISHING A. Sand work smooth and set exposed nails and screws. B. Apply wood filler in exposed nail and screw indentations. PART 3 EXECUTION 3.01 EXAMINATION A. Verify adequacy of backing and support framing. 3.02 INSTALLATION A. Set and secure materials and components in place, plumb and level. B. Carefully scribe work abutting other components, with maximum gaps of 1/32 inch (1 mm). Do not use additional overlay trim to conceal larger gaps. 3.03 PREPARATION FOR SITE FINISHING A. Set exposed fasteners. Apply wood filler in exposed fastener indentations. Sand work smooth. 3.04 TOLERANCES FINISH CARPENTRY 06200-2
A. Maximum Variation from True Position: 1/16 inch (1.5 mm). B. Maximum Offset from True Alignment with Abutting Materials: 1/32 inch (0.7 mm). END OF SECTION FINISH CARPENTRY 06200-3
SECTION 06410 - CUSTOM CABINETS AND MILLWORK PART 1 GENERAL 1.01 SECTION INCLUDES A. Specially fabricated cabinet units. B. Mail sorter. C. Cabinet hardware. D. Factory finishing. E. Preparation for installing utilities. 1.02 REFERENCE STANDARDS A. ANSI A208.1 - American National Standard for Particleboard; 1999. B. AWI/AWMAC (0SI) - Architectural Woodwork Quality Standards Illustrated; Architectural Woodwork Institute and Architectural Woodwork Manufacturers Association of Canada; 2005, 8th Ed., Version 2.0. C. BHMA Al 56.9 - American National Standard for Cabinet Hardware; Builders Hardware Manufacturers Association; 2003 (ANSI/BHMA Al 56.9). D. HPVA HP-1 - American National Standard for Hardwood and Decorative Plywood; Hardwood Plywood & Veneer Association; 2004 (ANSI/HPVA HP-1). E. NEMA LD 3 - High-Pressure Decorative Laminates; National Electrical Manufacturers Association; 2005. F. NHLA G-101 - Rules for the Measurement & Inspection of Hardwood & Cypress; National Hardwood Lumber Association; 2007. G. PS 1 - Structural Plywood; 2007. H. WI (MAN) - Manual of Millwork; Woodwork Institute; 2003. 1.03 SUBMITTALS A. See Section 01300 - Administrative Requirements, for submittal procedures. CUSTOM CABINETS AND MILLWORK 06410-1
B. Shop Drawings: Indicate materials, component profiles and elevations, assembly methods, joint details, fastening methods, accessory listings, hardware location and schedule of finishes. C. Product Data: Provide data for hardware accessories. D. Samples: Submit actual samples of architectural cabinet construction, minimum 8 inches (200 mm) square, illustrating proposed cabinet substrate and finish. E. Samples: Submit actual sample items of proposed pulls, hinges, shelf standards, and locksets, demonstrating hardware design, quality, and finish. 1.04 QUALITY ASSURANCE A. Perform cabinet construction in accordance with AWI/AWMAC Architectural Woodwork Quality Standards Illustrated, Custom quality, unless other quality is indicated for specific items. 1.05 DELIVERY, STORAGE, AND HANDLING A. Protect units from moisture damage. 1.06 FIELD CONDITIONS A. During and after installation of custom cabinets, maintain temperature and humidity conditions in building spaces at same levels planned for occupancy. PART 2 PRODUCTS 2.01 LUMBER MATERIALS A. Hardwood Lumber: NHLA; Graded in accordance with AWI/AWMAC Architectural Woodwork Quality Standards Illustrated, Grade Il/Custom; average moisture content of 5-10 percent; species as follows: 1. Exposed Surfaces: Species Birch, stain to match doors. 2. Semi-Exposed Surfaces: Species Birch. 3. Concealed Surfaces: Species Maple, birch, or fir. 2.02 PANEL MATERIALS A. Veneer Faced Plywood Finish: HPVA HP-1; graded in accordance with AWI/AWMAC Architectural Woodwork Quality Standards Illustrated, core of veneer (wood plies), lumber, or plywood; type of glue recommended for specific application; thickness as required; face veneer as follows: 1. Exposed Surfaces: Grade AA, Birch, rift cut and comb grain, pleasing-matched. CUSTOM CABINETS AND MILLWORK 06410-2
2. Semi-Exposed Surfaces: Grade A, Birch, rotary cut, random-matched. 3. Concealed Surfaces: Grade B, Birch, rotary cut, random-matched. B. Particleboard: ANSI A208.1; medium density industrial type as specified in AWI/AWMAC Architectural Woodwork Quality Standards Illustrated, composed of wood chips bonded with interior grade adhesive under heat and pressure; sanded faces; thickness as indicated; use for concealed components. C. Plywood for Non-Decorative Purposes: NIST PS 1, Interior rated adhesives, core of wood plies from listed species unless otherwise indicated, thickness as indicated or as required by application. 1. Concealed Surfaces: PS 1; APA B-B Grade, rotary cut Douglas fir face veneer. 2.03 LAMINATE MATERIALS A. Manufacturers: 1. Formica Corporation: www.formica.com. 2. Panolam Industries International, Inc\Nevamar: www.nevamar.com. 3. Wilsonart International, Inc: www.wilsonart.com. B. High Pressure Decorative Laminate (HPDL): NEMA LD 3, types as recommended for specific applications. 2.04 MAIL SORTER A. Where shown on the drawings provide casework that incorporates a mail sorting system. The mail sorter shall provide mailboxes of sizes and quantities shown on the drawings. The mail sorter shall be capable of adjustment in one inch increments. 2.05 ACCESSORIES A. Adhesive: Type recommended by AWI/AWMAC to suit application. B. Fasteners: Size and type to suit application. C. Bolts, Nuts, Washers, Lags, Pins, and Screws: Of size and type to suit application; galvanized or chrome-plated finish in concealed locations and stainless steel, or chrome-plated finish in exposed locations. D. Concealed Joint Fasteners: Threaded steel. E. Grommets: Standard plastic or rubber grommets for cut-outs, in color to match adjacent surface. 2.06 HARDWARE CUSTOM CABINETS AND MILLWORK 06410-3
A. Hardware: BHMA Al 56.9, types as indicated for quality grade specified. B. Adjustable Shelf Supports: Standard side-mounted system using recessed metal shelf standards and coordinated self rests, satin chrome finish, for nominal 1 inch (25 mm) spacing adjustments. C. Drawer and Door Pulls: "U" shaped wire pull, steel with satin finish, 4 inch centers ("U" shaped wire pull, steel with satin finish, 100 mm centers). D. Cabinet Locks: Keyed cylinder, two keys per lock, where indicated, master keyed, steel with satin finish. E. Drawer Slides: 1. Type: Full extension. 2. Static Load Capacity: Extra Heavy Duty grade. 3. Mounting: Side mounted. 4. Stops: Integral type. 5. Features: Provide self closing/stay closed type. 6. Manufacturers: a. Grass America Inc: www.grassusa.com. b. Knape & Vogt Manufacturing Company: www.knapeandvogt.com. F. Hinges: European style concealed self-closing type, steel with polished finish. G. Grommets: Provide PVC of Stainless Grommets where communications or data wiring passes through casework. Coordinate hole requirements with Owner. 2.07 FABRICATION A. Cabinet Style: Flush overlay. All cabinets shall be plastic laminated with melamine interiors, unless otherwise noted or indicated. B. Cabinet Doors and Drawer Fronts: Flush style. C. Drawer Construction Technique: Dovetail joints. D. Assembly: Shop assemble cabinets for delivery to site in units easily handled and to permit passage through building openings. E. Edging: Fit shelves, doors, and exposed edges with specified edging. Do not use more than one piece for any single length. CUSTOM CABINETS AND MILLWORK 06410-4
F. Plastic Laminate: Apply plastic laminate finish in full uninterrupted sheets consistent with manufactured sizes. Fit corners and joints hairline; secure with concealed fasteners. Slightly bevel arises. Locate counter butt joints minimum 2 feet (600 mm) from sink cut-outs. G. Mechanically fasten back splash to countertops with steel brackets at 16 inches (400 mm) on center. H. Provide cutouts for plumbing fixtures. Verify locations of cutouts from on-site dimensions. Seal cut edges. 2.08 FACTORY FINISHING A. Sand work smooth and set exposed nails and screws. B. On items to receive transparent finishes, use wood filler matching or blending with surrounding surfaces and of types recommended for applied finishes. C. Finish work in accordance with AWI/AWMAC Architectural Woodwork Quality Standards Illustrated, Section 1500, As scheduled. PART 3 EXECUTION 3.01 EXAMINATION A. Verify adequacy of backing and support framing. B. Verify location and sizes of utility rough-in associated with work of this section. 3.02 INSTALLATION A. Set and secure custom cabinets in place, assuring that they are rigid, plumb, and level. B. Use fixture attachments in concealed locations for wall mounted components. C. Use concealed joint fasteners to align and secure adjoining cabinet units. D. Secure cabinets to floor using appropriate angles and anchorages. E. Countersink anchorage devices at exposed locations. Conceal with solid wood plugs of species to match surrounding wood; finish flush with surrounding surfaces. 3.03 ADJUSTING A. Adjust installed work. B. Adjust moving or operating parts to function smoothly and correctly. CUSTOM CABINETS AND MILLWORK 06410-5
3.04 SCHEDULES A. See drawings for locations of each type of millwork. END OF SECTION CUSTOM CABINETS AND MILLWORK 06410-6
SECTION 06415- COUNTERTOPS PART 1 GENERAL 1.01 SECTION INCLUDES A. Countertops for architectural cabinetwork. B. Wall-hung counters and vanity tops. 1.02 RELATED REQUIREMENTS A. Section 06410- Custom Cabinets. B. Section 15410- Plumbing Fixtures: Sinks. 1.03 REFERENCE STANDARDS A. ANSI Z124.3 - American National Standard for Plastic Lavatories; 2005. B. ASTM A 666 - Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar; 2003. C. ISSFA-2 - Classification and Standards for Solid Surfacing Material; International Solid Surface Fabricators Association; 2001 (2002) D. NEMA LD 3 - High-Pressure Decorative Laminates; 2005. E. PS 1 - Structural Plywood; 2007. 1.04 SUBMITTALS A. See Section 01300 - Administrative Requirements, for submittal procedures. B. Product Data: Manufacturer's data sheets on each product to be used, including: 1. Preparation instructions and recommendations. 2. Storage and handling requirements and recommendations. 3. Specimen warranty. C. Shop Drawings: Complete details of materials and installation; combine with shop drawings of cabinets and casework specified in other sections. D. Test Reports: Chemical resistance testing, showing compliance with specified requirements. COUNTERTOPS 06415-1
1.05 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 absolute limits. PART 2 PRODUCTS 2.01 COUNTERTOP ASSEMBLIES A. Plastic Laminate Countertops: High pressure decorative laminate sheet bonded to substrate. 1. Laminate Sheet, Unless Otherwise Indicated: NEMA LD 3 Grade HGS, 0.048 inch (HGS, 1.2 mm) nominal thickness. a. NSF approved for food contact. b. Wear Resistance: In addition to specified grade, comply with NEMA LD 3 High Wear Grade requirements for wear resistance. c. Laminate Core Color: Same as decorative surface. d. Finish: Matte or suede, gloss rating of 5 to 20. e. Surface Color and Pattern: To be selected from manufacturer's full line. f. Manufacturers: 1) Formica Corporation: www.formica.com. 2) Lamin-Art, Inc: www.laminart.com. 3) Panolam Industries International, Inc\Nevamar: www.nevamar.com. 4) Wilsonart International, Inc: www.wilsonart.com. 2. Exposed Edge Treatment: Molded PVC edge with T-spline, same width as edge of top; color to be selected; 3/4 inch (19 mm) edge. 3. Back and End Splashes: Same material, same construction. B. Solid Surfacing Countertops: Solid surfacing sheet or plastic resin casting over continuous substrate. 1. Flat Sheet Thickness: 3/4 inch (19 mm), minimum. 2. Solid Surfacing Sheet and Plastic Resin Castings: Complying with ISSFA-2 and NEMA LD 3; acrylic or polyester resin, mineral filler, and pigments; homogenous, non-porous and capable of being worked and repaired using standard woodworking tools; no surface coating; color and pattern consistent throughout thickness. a. Sinks and Bowls: Separate units for undercounter mounting; minimum 3/4 inch (19 mm) wall thickness; comply with ANSI Z124.3. b. Finish on Exposed Surfaces: Matte, gloss rating of 5 to 20. c. Color/Pattern Family: Solid color, light colors. d. Manufacturers: 1) Dupont: www.corian.com. 2) Formica Corporation: www.formica.com. 3) Avonite Surfaces: www.avonitesurfaces.com. 4) Wilsonart International, Inc: www.wilsonart.com. COUNTERTOPS 06415-2
3. Other Components Thickness: 1/2 inch (12 mm), minimum. 4. Exposed Edge Treatment: Built up to minimum 1-1/4 inch (32 mm) thick; square edge; use marine edge at sinks. 5. Back and End Splashes: Same sheet material, square top; minimum 4 inches (102 mm) high. 6. Skirts: As indicated on drawings. C. Stainless Steel Countertops: ASTM A 666 Type 304 stainless steel sheet; 16 gage, 0.06 inch (1.5 mm) nominal sheet thickness. 1. Finish: 4B satin brushed finish. 2. Exposed Edge Shape: Bullnose with return; 5/8 inch (16 mm) radius, return to face of case. 3. Back and End Splashes: Same material; welded 1/4 inch (6 mm) radius coved joint to countertop; square top edge with 1 inch (25 mm) wide top surface and minimum 1/2 inch (12 mm) turndown; 4. Splash Dimensions: 4 inch (100 mm) high by 1 inch (25 mm) thick, unless otherwise indicated. 2.02 ACCESSORY MATERIALS A. Plywood for Supporting Substrate: PS 1 Exterior Grade, A-C veneer grade, minimum 5-ply; minimum 3/4 inch (19 mm) thick; join lengths using metal splines. B. Adhesives: Chemical resistant waterproof adhesive as recommended by manufacturer of materials being joined. C. Grommets: Color to match counter. 2.03 FABRICATION A. Fabricate tops and splashes in the largest sections practicable, with top surface of joints flush. 1. Join lengths of tops using best method recommended by manufacturer. 2. Prepare all cutouts accurately to size; replace tops having improperly dimensioned or unnecessary cutouts or fixture holes. B. Provide back/end splash wherever counter edge abuts vertical surface unless otherwise indicated. COUNTERTOPS 06415-3
1. Secure to countertop with concealed fasteners and with contact surfaces set in waterproof glue. 2. Height: 4 inches (102 mm), unless otherwise indicated. C. Solid Surfacing: Fabricate tops up to 144 inches (3657 mm) long in one piece; join pieces with adhesive sealant in accordance with manufacturer's recommendations and instructions. D. Stainless Steel: Fabricate tops up to 144 inches (3657 mm) long in one piece including nosings and back and end splashes; accurately fitted mechanical field joints in lengths over that dimension are permitted. 1. Weld joints; grind smooth and polish to match. 2. Provide stainless steel hat channel stiffeners, welded or soldered to underside, where indicated on drawings. 3. Provide wall clips for support of back/end splash turndowns. E. Wall-Mounted Counters: Provide skirts, aprons, brackets, and braces as indicated on drawings, finished to match. PART 3 EXECUTION 3.01 EXAMINATION A. Do not begin installation until substrates have been properly prepared. B. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding. C. Verify that wall surfaces have been finished and mechanical and electrical services and outlets are installed in proper locations. 3.02 PREPARATION A. Clean surfaces thoroughly prior to installation. B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. 3.03 INSTALLATION A. Securely attach countertops to cabinets using concealed fasteners. Make flat surfaces level; shim where required. B. Attach plastic laminate countertops using screws with minimum penetration into substrate board COUNTERTOPS 06415-4
of 5/8 inch (16 mm). C. Attach stainless steel countertops using stainless steel fasteners and clips. D. Seal joint between back/end splashes and vertical surfaces. 1. Where indicated use rubber cove molding. 2. Where applied cove molding is not indicated use specified sealant. 3.04 CLEANING A. Clean countertops surfaces thoroughly. 3.05 PROTECTION A. Protect installed products until completion of project. B. Touch-up, repair or replace damaged products before Substantial Completion. END OF SECTION COUNTERTOPS 06415-5