SECTION (09385) - SIMULATED STONE COUNTERTOPS

Transcription

1 SECTION (09385) - SIMULATED STONE COUNTERTOPS PART 1 GENERAL 1.01 SUMMARY A. Section Includes: 1. Engineered Stone Note: Refer to Interior Finish Index to determine use a. Vanity Tops b. Countertops c. Backsplashes d. Aprons e. Tub Seat f. Whirlpool Built-In Tops g. Casework Faces (Vertical) h. Credenza Tops i. Accent / Border Tile j. Wall Base k. Sills l. Thresholds B. Related Sections: 1.02 REFERENCES 1. Section (06100) - Rough Carpentry 2. Section (06200) - Finish Carpentry 3. Section (07920) - Joint Sealants 4. Section (09310) - Tiling 5. Section (06400) - Manufactured Wood-Veneer-Faced Casework 6. Section (06400) - Manufactured Plastic Laminate Clad Casework 7. Section (06415) Plastic Countertops 8. Section (09380) - Stone Countertops 9. Section (09385) Cultured Marble Countertops 10. Division 22 (15) for Plumbing Fixtures A. ASTM International (ASTM) Publications: (Former American Society for Testing and Materials) 1. C97 - Test Method for Absorption and Bulk Specific Gravity of Dimensional Stone. 2. C99 - Test Method for Modulus of Rupture of Dimension Stone. 3. C241 - Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic. PAGE 1

2 4. C373 - Test Method for Water Absorption, Bulk Density, Apparent Porosity, and Apparent Specific Gravity of Fined Whiteware Products. 5. C482 - Test Method for Bond Strength of Ceramic Tile to Portland Cement. 6. C484 - Test Method for Thermal Shock Resistance of Glazed Ceramic Tile. 7. C531 - Test Method for Linear Shrinkage and Coefficient of Thermal Expansion of Chemical-Resistant Mortars, Grouts, and Monolithic Surfacings. 8. C648 - Test Method for Breaking Strength of Ceramic Tile. 9. C650 - Test Method for Resistance of Ceramic Tile to Chemical Substances. 10. C672 - Test Method for Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals. 11. C880 - Test Method for Flexural Strength of Dimensional Stone. 12. C Test Method for Measuring Frost Resistance of Ceramic Tile to Freeze Thaw Cycling. 13. E84 - Test Method for Surface Burning Characteristics of Building Materials. B. NSF International (NSF) Publications: 1. NSF 1. NSF/ANSI 51 "Food Equipment Materials" C. NFS International (NFS) Publications: 1. NFS 1.03 SYSTEM DESCRIPTION A. MARRIOTT STONE SUPPLIER PROGRAM: Marriott International has negotiated a strategic national pricing/delivery commitment agreement with the listed Program Suppliers. 1. Participating Program Suppliers require the following procedures in order to meet the core criteria of lead time, pricing and quality: a. General Contractor shall allow a minimum delivery lead time of 8 to 10 weeks after final approval of Shop Drawings and Samples. b. In order for the Project to procure strategic national pricing, the award of the contract to the Program Supplier must be completed a minimum of 12 week prior to delivery of products. 2. Participating Program Suppliers shall: a. Supply all simulated stone items for Guestroom Sample Room. Program Suppliers shall coordinate with the General Contractor to allow for appropriate time period in Construction Schedule. 1) Refer to Section Summary of Work for Sample Room Requirements. b. Furnish a minimum of three percent (3%) of additional engineered stone material to account for damaged materials during shipment. c. State the following in their bids: 1) If their bid includes field measurements, or not included. PAGE 2 REVISED: 06/08/15 FILE: CFRST-Simulated Stone Countertops CFRST SPECMSTR-NEW BUILD 2015, Marriott International, Inc.

3 1.04 SUBMITTALS A. General: Submit the following in accordance with Conditions of Contract and Division 01 Specification Sections. B. Submit Letter of Conformance in accordance with Section (01330) indicating specified items selected for use in project with the following supporting data. 1. Submit Shop Drawings and product data. Include materials, component profiles, fastening methods, assembly methods, joint details, accessory listings, and schedule of finishes. 2. Samples for verification purposes for each color, finish, type, and variety of simulated stone required and consisting of samples not less than 4 inches square QUALITY ASSURANCE A. Simulated Stone Countertops shall be supplied by one manufacturer. Color shall match for all items. B. Installer Qualifications: Trained and approved by countertop manufacturer who has completed countertops similar in material, design, and extent to that indicated for project that has resulted in construction with a record of successful in-service performance. C. The Contractor is responsible for verification of delivered stone materials for quantities, defects, or damage within ten (10) days after delivery. No compensation will be allowed to the contractor for materials and labor that may be required to replace materials after this time period. D. Allowable Tolerances: 1. Variation in component size: +/- 1/8 inch in 8 feet. 2. Maximum height of abrupt irregularities: 1/32 inch. 3. Location of openings: +/- 1/8 inch from indicated location DELIVERY, STORAGE, AND HANDLING A. Do not deliver countertop materials until painting and similar operations that could damage engineered stone materials have been completed in installation areas. If engineered stone materials must be stored in other than installation areas, store only in areas where environmental conditions comply with requirements specified in "Project Conditions" Article. B. Handle materials to prevent damage to finished surfaces. Provide protective coverings to prevent physical damage or staining following installation for duration of project. C. General Contractor is responsible for theft or damage to stored materials. Exercise care to prevent damage during delivery, handling and storage PROJECT CONDITIONS A. Environmental Limitations: Do not deliver or install simulated stone materials until building is enclosed, wet work is complete, and HVAC system is operating and maintaining temperature and relative humidity at occupancy levels during the remainder of the construction period. 1. Maintain ambient temperature between 50 and 95 degrees F for 48 hours before, during and for minimum 7 days after installation. B. Field Measurements: Where simulated stone materials are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication and indicate measurements on Shop Drawings. Coordinate fabrication schedule with construction progress to avoid delaying the Work. PAGE 3

4 1. Locate concealed framing, blocking, and reinforcements that support simulated stone work by field measurements before being enclosed and indicate measurements on Shop Drawings SPECIAL WARRANTY A. Quartz Engineered Stone: 1. Provide minimum One (1) year Warranty against defects in materials and workmanship. PART 2 PRODUCTS 2.01 ENGINEERED STONE MATERIALS: 1. Avendra, LLC Preferred Manufacturers: a. None 2. Marriott Stone Supplier Program Manufacturers: a. Granite Tech, Inc. ( ) 1) Contact: Bill Skalish ( ) 2) NSF/ANSI 51 Certification: No b. Belstone( ) 1) Product: ecoquartz 2) Contact: Scott Smith ( ) 3) Contact: Jacqui Ford ( ) 4) NSF/ANSI 51 Certification: Yes c. J.G. Edelen Company, Inc. ( ) 1) Contact: Dino Arcuri ( ) 2) Contact: Kelly Smith ( ) 3) NSF/ANSI 51 Certification: No d. MeridienStone ( ) 1) Contact: Drew Murray ( ) 2) NSF/ANSI 51 Certification: No 3. Approved Manufacturers: a. None 2.02 COUNTERTOP MATERIALS A. Engineered Stone Countertops 1. Composition: Quartz aggregate, resin, and color pigments formed into flat slabs. Slabs shall contain a minimum of 93% quartz. 2. Physical characteristics: a. Water absorption: Maximum 0.04 percent, tested per ASTM C97. b. Bond strength: Average of 211 PSI (1.4 MPa), tested per ASTM C482. c. Modulus of rupture: Average of 6200 PSI (51.1 MPa), tested per ASTM C99. PAGE 4 REVISED: 06/08/15 FILE: CFRST-Simulated Stone Countertops CFRST SPECMSTR-NEW BUILD 2015, Marriott International, Inc.

5 d. Flexural strength: 5620 PSI (50.3 MPa), tested per ASTM C880. e. Abrasion index: Minimum 62, tested per ASTM C241. f. Thermal shock: Pass 5 cycles, tested per ASTM C484. g. Flame spread: Class 1 (FS-25 or less), tested per ASTM E84. h. Mohs hardness: 6 to 6.5. i. Stain resistance: Stains completely removed, tested per ASTM C650, excluding hydroxide INSTALLATION MATERIALS A. Anchors: Select material, type, size, and finish required for each substrate for secure anchorage. Provide nonferrous-metal or hot-dip galvanized anchors and inserts on inside face of exterior walls and elsewhere as required for corrosion resistance. Provide toothedsteel or lead expansion sleeves for drilled-in-place anchors. B. Adhesive and Sealant as recommended by engineered stone manufacturer. C. Sink/bowl mounting hardware: 2.04 FABRICATION 1. Manufacturer s approved bowl clips, brass inserts and fasteners for attachment of undermount sinks/bowls. A. General: 1. Fabricate components to greatest extent practical to sizes and shapes indicated, in accordance with approved shop drawings and manufacturer s printed instructions. 2. Clean surfaces to remove loose and foreign matter that could impair adhesion. 3. Remove ridges and projections. Fill voids and depressions with patching compound compatible with setting materials. 4. Shop cut openings, to maximum extent possible, to receive hardware, appliances, plumbing fixtures, electrical work, and similar items. Locate openings accurately and use templates or roughing-in diagrams to produce accurately sized and shaped openings. a. Rout and finish component edges with clean, sharp returns. Rout cutouts, radii and contours to template. Smooth edges. Repair or reject defective and inaccurate work. 5. When necessary to cut and fit on site, provide materials with ample allowance for cutting. Provide trip for scribing and site cutting. B. Thickness: Provide thickness indicated, but not less than the following: Note: If drawings show 1-1/2 dimension at countertop edge, then 3/4 flat slab is required. If drawings show 3 cm then 1-1/4 flat slab is required. 1. Countertop: [3/4] or [1-1/4] inch[es] 2. Back and End Splashes: 3/4 inch, unless shown otherwise. 3. Thresholds: Fabricate to size and profile as indicated or required to provide transition between adjacent floor finishes. 4. Refer to Drawings and Interior Finish Index for additional requirements. C. Edge Detail: 1. Countertops: PAGE 5

6 a. As shown on Drawings or Interior Finish Index 2. Thresholds: a. Bevel edges of thresholds at 1:2 slope, aligning lower edge of bevel with adjacent floor finish. Limit height of bevel to 1/2 inch or less, and finish bevel to match face of threshold. D. Seams: Fabricate countertops without seams, if seams are required, fabricate sections indicated for joining in field. E. Cutouts and Holes for Lavatories, Sinks, and Fittings: 1. Undercounter Lavatories: Make cutouts for undercounter lavatories in shop using template or pattern furnished by lavatory manufacturer. Form cutouts to smooth, even curves with edges at right angles to top. Ease juncture of cutout edges with tops, and finish edges to match tops. 2. Fittings: Drill countertops in shop for plumbing fittings, undercounter soap dispensers, and similar items. PART 3 EXECUTION 3.01 EXAMINATION A. Examine surfaces to receive simulated stone materials, and conditions under which work will be installed, with installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of work. Do not proceed with installation until unsatisfactory conditions have been corrected. B. Verify adequacy of backing and support framing PREPARATION A. Condition engineered stone to average prevailing humidity conditions in installation areas before installation INSTALLATION - COUNTERTOPS A. All countertops and other locations, shall be installed as shown on Drawings and as specified by manufacturer. B. Install components plumb, level and rigid, scribed to adjacent finishes, in accordance with approved shop drawings and product data. 1. Tops: a. Flat and true to within 1/8" of a flat surface over a 10' length. b. Allow a minimum of 1/16" to a maximum of 1/8" clearance between surface and each wall. C. Fit countertops around projections and to adjacent construction. Smooth and clean field cut edges. Ensure that trim will completely cover cut edges. D. Secure joints between adjacent pieces with manufacturer s recommended adhesive with joint widths no greater than 1/8" in finished work. E. Fill joints between countertops and adjacent construction with joint sealant. Finish smooth and flush. Comply with Section (07920) "Joint Sealants." F. Adhere sinks and lavatory bowls to tops using manufacturer's recommended sealant, adhesive and mounting hardware. PAGE 6 REVISED: 06/08/15 FILE: CFRST-Simulated Stone Countertops CFRST SPECMSTR-NEW BUILD 2015, Marriott International, Inc.

7 G. Provide backsplashes, sidesplashes, and aprons as indicated on the Drawings. Adhere to tops using manufacturer's recommended adhesive INSTALLATION ENGINEERED STONE THRESHOLDS A. Install engineered stone thresholds in same type of setting bed as adjacent floor unless otherwise indicated. Refer to Section Tiling for setting materials ADJUSTING, CLEANING & PROTECTION A. Keep components clean during installation. Remove adhesives, sealants and other stains. Keep clean until Date of Substantial Completion. Replace stained and damaged components. B. Protect surfaces from damage until Date of Substantial Completion. Repair work or replace damaged work which cannot be repaired to Marriott Representative's satisfaction. END OF SECTION PAGE 7