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HomeMy WebLinkAbout04 43 13.DOCMATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 SECTION 04 43 13 - ANCHORED STONE MASONRY VENEER PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Stone masonry anchored to cold-formed metal framing and sheathing. B. Related Requirements: 1. Section 04 20 00 "Unit Masonry" for cavity-wall insulation concealed flashing and veneer anchors. 2. Section 05 50 00 "Metal Fabrications" for furnishing steel for stone masonry. 3. Section 07 62 00 "Sheet Metal Flashing and Trim" for exposed sheet metal flashing. 1.3 PRE-INSTALLATION MEETINGS A. Pre-installation Conference: Conduct conference at Project site. 1.4 ACTION SUBMITTALS A. Product Data: For each variety of stone, stone accessory, and manufactured product. B. Samples for Initial Selection: For colored mortar and other items involving color selection. C. Samples for Verification: 1. For each stone type indicated. Include at least two Samples in each set and show the full range of color and other visual characteristics in completed Work. 2. For each color of mortar required. 1.5 INFORMATIONAL SUBMITTALS A. Qualification Data: For Installer. B. Material Test Reports: 1. Stone Test Reports: For each stone variety proposed for use on Project, by a qualified testing agency, indicating compliance with required physical properties, other than abrasion resistance, according to referenced ASTM standards. Base reports on testing done within previous three years. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 2. Sealant Compatibility and Adhesion Test Report: From sealant manufacturer indicating that sealants will not stain or damage stone. Include interpretation of test results and recommendations for primers and substrate preparation needed for adhesion. 1.6 QUALITY ASSURANCE A. Installer Qualifications: A qualified installer who employs experienced stonemasons and stone fitters. 1. Refer to Specification Section 01 40 00 “Quality Requirements.” 1.7 PRECONSTRUCTION TESTING A. Preconstruction Sealant Compatibility and Adhesion Testing: Submit to joint-sealant manufacturers, for compatibility and adhesion testing according to sealant manufacturer's standard testing methods and Section 07 92 00 "Joint Sealants," Samples of materials that will contact or affect joint sealants. 1.8 DELIVERY, STORAGE, AND HANDLING A. Store cementitious materials on elevated platforms, under cover, and in a dry location. Do not use cementitious materials that have become damp. B. Store aggregates where grading and other required characteristics can be maintained and contamination avoided. C. Deliver pre-blended, dry mortar mix in moisture-resistant containers designed for use with dispensing silos. Store pre-blended, dry mortar mix in delivery containers on elevated platforms, under cover, in a dry location, or in covered weatherproof dispensing silos. D. Store masonry accessories, including metal items, to prevent corrosion and accumulation of dirt and oil. 1.9 FIELD CONDITIONS A. Protection of Stone Masonry: During construction, cover tops of walls, projections, and sills with waterproof sheeting at end of each day's work. Cover partially completed stone masonry when construction is not in progress. 1. Extend cover a minimum of 24 inches down both sides and hold cover securely in place. B. Stain Prevention: Immediately remove mortar and soil to prevent them from staining stone masonry face. 1. Protect base of walls from rain-splashed mud and mortar splatter using coverings spread on the ground and over the wall surface. 2. Protect sills, ledges, and projections from mortar droppings. 3. Protect surfaces of window and door frames, as well as similar products with painted and integral finishes, from mortar droppings. 4. Turn scaffold boards near the wall on edge at end of each day to prevent rain from splashing mortar and dirt on completed stone masonry. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 C. Cold-Weather Requirements: Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen substrates. Remove and replace stone masonry damaged by frost or freezing conditions. Comply with cold-weather construction requirements contained in ACI 530.1/ASCE 6/TMS 602. 1. Cold-Weather Cleaning: Use liquid cleaning methods only when air temperature is 40 deg F and above and will remain so until masonry has dried, but not less than seven days after completing cleaning. D. Hot-Weather Requirements: Comply with hot-weather construction requirements contained in ACI 530.1/ASCE 6/TMS 602. 1.10 COORDINATION A. Advise installers of other work about specific requirements for placement of reinforcement, veneer anchors, flashing, and similar items to be built into stone masonry. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Source Limitations for Stone: Obtain each variety of stone, regardless of finish, from single quarry, whether specified in this Section or in another Section of the Specifications, with resources to provide materials of consistent quality in appearance and physical properties. B. Source Limitations for Mortar Materials: Obtain mortar ingredients of uniform quality for each cementitious component from single manufacturer and each aggregate from single source or producer. 2.2 GRANITE A. Material Standard: Comply with ASTM C 615. B. Description: Uniform, fine-grained, black stone. C. Match Architect's samples for color, finish, and other stone characteristics relating to aesthetic effects. 2.3 MORTAR MATERIALS A. Portland Cement: ASTM C 150, Type I or Type II, except Type III may be used for cold-weather construction; natural color or white cement may be used as required to produce mortar color indicated. 1. Low-Alkali Cement: Not more than 0.60 percent total alkali when tested according to ASTM C 114. B. Hydrated Lime: ASTM C 207, Type S. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 C. Portland Cement-Lime Mix: Packaged blend of portland cement and hydrated lime containing no other ingredients. 1. Products: Subject to compliance with requirements, provide one of the following: a. Essroc, Italcementi Group; Saylor's Plus. b. Holcim (US) Inc.; Rainbow Mortamix Custom Color Cement/Lime. c. Lafarge North America Inc.; Eaglebond. d. Lehigh Cement Company; Lehigh Custom Color Portland/Lime Cement. e. Mutual Materials Co.; DesignMix Mortar Mix. D. Mortar Cement: ASTM C 1329. 1. Products: Subject to compliance with requirements, provide the following: a. Lafarge North America Inc.; Lafarge Mortar Cement. E. Masonry Cement: ASTM C 91. 1. Products: Subject to compliance with requirements, provide one of the following: a. Essroc, Italcementi Group; Brixment. b. Holcim (US) Inc.; Mortamix Masonry Cement. c. Lafarge North America Inc.; Magnolia Masonry Cement. d. Lehigh Cement Company; Lehigh Masonry Cement. e. National Cement Company, Inc.; Coosa Masonry Cement. F. Mortar Pigments: Natural and synthetic iron oxides and chromium oxides, compounded for use in mortar mixes and complying with ASTM C 979. Use only pigments with a record of satisfactory performance in stone masonry mortar. 1. Products: Subject to compliance with requirements, provide one of the following: a. Davis Colors; True Tone Mortar Colors. b. Lanxess Corporation; Bayferrox Iron Oxide Pigments. c. Solomon Colors; SGS Mortar Colors. G. Colored Portland Cement-Lime Mix: Packaged blend of portland cement, hydrated lime, and mortar pigments. Mix shall produce color indicated or, if not indicated, as selected from manufacturer's standard colors. Pigments shall not exceed 10 percent of portland cement by weight. 1. Products: Subject to compliance with requirements, provide one of the following: a. Holcim (US) Inc.; Rainbow Mortamix Custom Color Cement/Lime. b. Lafarge North America Inc.; Eaglebond. c. Lehigh Cement Company; Lehigh Custom Color Portland/Lime Cement. d. Mutual Materials Co.; DesignMix Colored Mortar Mix. H. Colored Masonry Cement Mix: Packaged blend of masonry cement and mortar pigments. Mix shall produce color indicated or, if not indicated, as selected from manufacturer's standard colors. Pigments shall not exceed 5 percent of masonry cement by weight. 1. Products: Subject to compliance with requirements, provide one of the following: a. Cemex S.A.B. de C.V.; Richcolor Masonry Cement. b. Essroc, Italcementi Group; Flamingo-Brixment. c. Holcim (US) Inc.; Rainbow Mortamix Custom Color Masonry Cement. d. Lafarge North America Inc.; U.S. Cement Custom Color Masonry Cement. e. Lehigh Cement Company; Lehigh Custom Color Masonry Cement. f. National Cement Company, Inc.; Coosa Masonry Cement. I. Aggregate: ASTM C 144 and as follows: 1. For pointing mortar, use aggregate graded with 100 percent passing No. 16 sieve. 2. White Aggregates: Natural white sand or ground white stone. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 3. Colored Aggregates: Natural-colored sand or ground marble, granite, or other sound stone; of color necessary to produce required mortar color. a. Match Architect's sample. J. Cold-Weather Admixture: Non-chloride, noncorrosive, accelerating admixture complying with ASTM C 494, Type C, and recommended by manufacturer for use in masonry mortar of composition indicated. 1. Products: Subject to compliance with requirements, provide one of the following: a. Euclid Chemical Company (The), RPM International Inc.; Accelguard 80. b. Grace Construction Products, a unit of W. R. Grace & Co. - Conn.; Morset. c. Sonneborn Products, BASF Aktiengesellschaft; Trimix-NCA. K. Water: Potable. 2.4 VENEER ANCHORS A. Materials: 1. Hot-Dip Galvanized, Carbon-Steel Wire: ASTM A 82; with ASTM A 153, Class B-2. 2. Stainless-Steel Wire: ASTM A 580, Type 304. 3. Hot-Dip Galvanized-Steel Sheet: ASTM A 1008, cold-rolled, carbon-steel sheet, hot-dip galvanized after fabrication to comply with ASTM A 153, Class B-2. 4. Stainless-Steel Sheet: ASTM A 240 or ASTM A 666, Type 304. B. Size: Sufficient to extend at least halfway, but not less than 1-1/2 inches, through stone masonry and with at least a 5/8-inch cover on exterior face. C. Adjustable, Screw-Attached Veneer Anchors: Units consisting of a wire tie section and a metal anchor section that allow vertical adjustment but resist tension and compression forces perpendicular to plane of wall, for attachment over sheathing to wood or metal studs, and as follows: 1. Products: Subject to compliance with requirements, provide one of the following: a. Dayton Superior Corporation; D/A 210 with D/A 700-708. b. Heckmann Building Products, Inc; 315-D with 316. c. Hohmann & Barnard, Inc; DW-10HS. d. Wire-Bond; 1004, Type III. 2. Structural Performance Characteristics: Capable of withstanding a 100-lbf load in both tension and compression without deforming or developing play in excess of 0.05 inch. 3. Anchor Section: Sheet metal plate, 1-1/4 inches wide by 6 inches long, with screw holes in top and bottom and with raised rib-stiffened strap, 5/8 inch wide by 3-5/8 inches long, stamped into center to provide a slot between strap and plate for inserting wire tie. 4. Fabricate sheet metal anchor sections and other sheet metal parts from 0.078-inch- thick stainless-steel sheet. 5. Wire Ties: Triangular-, rectangular-, or T-shaped wire ties fabricated from 0.188-inch- diameter, hot-dip galvanized-steel wire. D. Polymer-Coated, Steel Drill Screws for Steel Studs: ASTM C 954 except manufactured with hex washer head and neoprene washer, No. 10 by length required to penetrate steel-stud flange with not less than three exposed threads, and with organic polymer coating with salt- spray resistance to red rust of more than 800 hours per ASTM B 117. 1. Products: Subject to compliance with requirements, provide one of the following: a. ITW Buildex; Teks Maxiseal with Climaseal finish. b. Textron Inc., Textron Fastening Systems; Elco Dril-Flex with Stalgard finish. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 2.5 STONE TRIM ANCHORS A. Stone Trim Anchors: Units fabricated with tabs or dowels designed to engage kerfs or holes in stone trim units and holes for fasteners or post-installed anchor bolts for fastening to substrates or framing as indicated. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Canaren Inc. b. Heckmann Building Products Inc. c. Hohmann & Barnard, Inc. d. Meadow Burke. B. Materials: Fabricate anchors from stainless steel, ASTM A 240 or ASTM A 666, Type 304. Fabricate dowels from stainless steel, ASTM A 276, Type 304. C. Fasteners for Stone Trim Anchors: Annealed stainless-steel bolts, nuts, and washers; ASTM F 593 for bolts and ASTM F 594 for nuts, Alloy Group 1. 2.6 EMBEDDED FLASHING MATERIALS A. Metal Flashing: Provide metal flashing, where flashing is exposed or partly exposed and where indicated, complying with SMACNA's "Architectural Sheet Metal Manual" and as follows: 1. Stainless Steel: ASTM A 240, Type 304, 0.016 inch thick. 2. Fabricate continuous flashings in sections 96 inches long minimum, but not exceeding 12 feet. Provide splice plates at joints of formed, smooth metal flashing. 3. Fabricate through-wall metal flashing embedded in masonry from stainless steel, with ribs at 3-inch intervals along length of flashing to provide an integral mortar bond. a. Products: Subject to compliance with requirements, provide one of the following: 1) Cheney Flashing Company; Cheney Flashing (Dovetail) or Cheney 3-Way Flashing (Sawtooth). 2) Keystone Flashing Company, Inc.; Keystone 3-Way Interlocking Thruwall Flashing. 3) Sandell Manufacturing Co., Inc.; Mechanically Keyed Flashing. 4. Fabricate through-wall flashing with snap-lock receiver on exterior face where indicated to receive counter flashing. 5. Fabricate through-wall flashing with drip edge where indicated. Fabricate by extending flashing 1/2 inch out from wall, with outer edge bent down 30 degrees. 6. Fabricate through-wall flashing with sealant stop where indicated. Fabricate by bending metal back on itself 3/4 inc at exterior wall face and down into joint 3/8 inch to form a stop for retaining sealant backer rod. 7. Metal Drip Edges: Fabricate from stainless steel. Extend at least 3 inches into wall and 1/2 inch out from wall, with outer edge bent down 30 degrees. 8. Metal Sealant Stops: Fabricate from stainless steel. Extend at least 3 inches into wall and out to exterior wall face. At exterior wall face, bend metal back on itself for 3/4 inch and down into joint 3/8 inch to form a stop for retaining sealant backer rod. 9. Metal Expansion-Joint Strips: Fabricate from stainless steel to shapes indicated. B. Flexible Flashing: For flashing unexposed to the exterior, use the following unless otherwise indicated: 1. Copper-Laminated Flashing: 5-oz./sq. ft. copper sheet bonded with asphalt between two layers of glass-fiber cloth. Use only where flashing is fully concealed in masonry. a. Products: Subject to compliance with requirements, provide the following: MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 1) York Manufacturing, Inc.; York Copper Fabric Flashing. C. Application: Unless otherwise indicated, use the following: 1. Where flashing is indicated to receive counter flashing, use metal flashing. 2. Where flashing is indicated to be turned down at or beyond wall face, use metal flashing. 3. Where flashing is partly exposed and is indicated to terminate at wall face, use metal flashing with a drip edge. 4. Where flashing is fully concealed, use flexible flashing. D. Solder and Sealants for Sheet Metal Flashings: 1. Solder for Stainless Steel: ASTM B 32, Grade Sn60, with acid flux of type recommended by stainless-steel sheet manufacturer. 2. Solder for Copper: ASTM B 32, Grade Sn50, 50 percent tin and 50 percent lead. 3. Elastomeric Sealant: ASTM C 920, chemically curing urethane sealant; of type, grade, class, and use classifications required to seal joints in sheet metal flashing and trim and remain watertight. E. Adhesives, Primers, and Seam Tapes for Flexible Flashings: Flashing manufacturer's standard products or products recommended by flashing manufacturer for bonding flashing sheets to each other and to substrates. 2.7 MISCELLANEOUS MASONRY ACCESSORIES A. Compressible Filler: Pre-molded filler strips complying with ASTM D 1056, Grade 2A1; compressible up to 35 percent; of width and thickness indicated; formulated from neoprene. B. Asphalt Damp proofing: Cut-back asphalt complying with ASTM D 4479, Type I. C. Weep/Vent Products: Use the following unless otherwise indicated: 1. Wicking Material: Absorbent rope, made from cotton or UV-resistant synthetic fiber, 1/4 to 3/8 inch in diameter, in length required to produce 2-inch exposure on exterior and 18 inches in cavity behind stone masonry. Use only for weeps. 2. Round Plastic Tubing: Medium-density polyethylene, 3/8-inch OD by thickness of stone masonry. 2.8 MASONRY CLEANERS A. Proprietary Acidic Cleaner: Manufacturer's standard-strength cleaner designed for removing mortar and grout stains, efflorescence, and other new construction stains from stone masonry surfaces without discoloring or damaging masonry surfaces; expressly approved for intended use by cleaner manufacturer and stone producer. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Diedrich Technologies, Inc. b. Dominion Restoration Products. c. EaCo Chem, Inc. d. Hydrochemical Techniques, Inc. e. Prosoco, Inc. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 2.9 FABRICATION A. General: Fabricate stone units in sizes and shapes required to comply with requirements indicated. 1. For granite, comply with recommendations in NBGQA's "Specifications for Architectural Granite." B. Cut stone to produce pieces of thickness, size, and shape indicated, including details on Drawings. C. Dress joints (bed and vertical) straight and at right angle to face unless otherwise indicated. Shape beds to fit supports. D. Cut and drill sinkages and holes in stone for anchors and supports. E. Carefully inspect stone at quarry or fabrication plant for compliance with requirements for appearance, material, and fabrication. Replace defective units before shipment. 1. Clean sawed backs of stone to remove rust stains and iron particles. F. Thickness of Stone: Provide thickness indicated, but not less than the following: 1. Thickness: 4 inches plus or minus 1/4 inch. G. Finish exposed stone faces and edges to comply with requirements indicated for finish and to match approved samples. 2.10 MORTAR MIXES A. General: Do not use admixtures, including pigments, air-entraining agents, accelerators, retarders, water-repellent agents, antifreeze compounds, or other admixtures, unless otherwise indicated. 1. Do not use calcium chloride. 2. Use portland cement-lime mortar unless otherwise indicated. 3. Add cold-weather admixture (if used) at same rate for all mortar that will be exposed to view, regardless of weather conditions, to ensure that mortar color is consistent. 4. Mixing Pointing Mortar: Thoroughly mix cementitious and aggregate materials together before adding water. Then mix again, adding only enough water to produce a damp, unworkable mix that will retain its form when pressed into a ball. Maintain mortar in this dampened condition for one to two hours. Add remaining water in small portions until mortar reaches required consistency. Use mortar within 30 minutes of final mixing; do not re-temper or use partially hardened material. B. Pre-blended, Dry Mortar Mix: Furnish dry mortar ingredients in the form of a pre-blended mix. Measure quantities by weight to ensure accurate proportions, and thoroughly blend ingredients before delivering to Project site. C. Mortar for Stone Masonry: Comply with ASTM C 270. 1. Mortar for Setting Stone: Type S. 2. Mortar for Pointing Stone: Type N. D. Pigmented Mortar: Use colored cement product or select and proportion pigments with other ingredients to produce color required. Do not add pigments to colored cement products. 1. Pigments shall not exceed 10 percent of portland cement by weight. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 2. Pigments shall not exceed 5 percent of masonry cement or mortar cement by weight. 3. Mix to match Architect's sample. E. Colored-Aggregate Mortar: Produce required mortar color by using colored aggregates and natural color or white cement as necessary. 1. Mix to match Architect's sample. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine surfaces indicated to receive stone masonry, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of stone masonry. B. Examine substrate to verify that dovetail slots, inserts, reinforcement, veneer anchors, flashing, and other items installed in substrates and required for or extending into stone masonry are correctly installed. C. Examine wall framing, sheathing, and weather-resistant sheathing paper to verify that stud locations are suitable for spacing of veneer anchors and that installation will result in a weatherproof covering. D. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Accurately mark stud centerlines on face of weather-resistant sheathing paper before beginning stone installation. B. Coat concrete and unit masonry backup with asphalt damp proofing. C. Clean dirty or stained stone surfaces by removing soil, stains, and foreign materials before setting. Clean stone by thoroughly scrubbing with fiber brushes and then drenching with clear water. Use only mild cleaning compounds that contain no caustic or harsh materials or abrasives. 3.3 SETTING OF STONE MASONRY, GENERAL A. Perform necessary field cutting and trimming as stone is set. B. Sort stone before it is placed in wall to remove stone that does not comply with requirements relating to aesthetic effects, physical properties, or fabrication or that is otherwise unsuitable for intended use. C. Set stone to comply with requirements indicated on Drawings. Install supports, fasteners, and other attachments indicated or necessary to secure stone masonry in place. Set stone accurately in locations indicated with edges and faces aligned according to established relationships and indicated tolerances. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 D. Maintain uniform joint widths except for variations due to different stone sizes and where minor variations are required to maintain bond alignment if any. Lay walls with joints not less than at narrowest points or more than at widest points. E. Provide sealant joints of widths and at locations indicated. 1. Keep sealant joints free of mortar and other rigid materials. 2. Sealing joints is specified in Section 07 92 00 "Joint Sealants." F. Install metal expansion strips in sealant joints at locations indicated. Build flanges of expansion strips into masonry by embedding in mortar between stone masonry and backup wythe. Lap each joint 4 inches in direction of water flow. Seal joints below grade and at junctures with horizontal expansion joints if any. G. Install embedded flashing and weep holes at shelf angles, lintels, ledges, other obstructions to downward flow of water in wall, and where indicated. 1. At stud-framed walls, extend flashing through stone masonry, up sheathing face at least 8 inches, and behind weather barrier. 2. At sills, extend flashing not less than 4 inches at ends. 3. At ends of sill flashing, turn up not less than 2 inches to form end dams. 4. Interlock end joints of ribbed sheet metal flashing by overlapping ribs not less than 1-1/2 inches or as recommended by flashing manufacturer, and seal lap with elastomeric sealant complying with requirements in Section 07 92 00 "Joint Sealants" for application indicated. 5. Install metal drip edges with ribbed sheet metal flashing by interlocking hemmed edges to form hooked seam. Seal seam with elastomeric sealant complying with requirements in Section 07 92 00 "Joint Sealants" for application indicated. 6. Extend sheet metal flashing 1/2 inch beyond masonry face at exterior, and turn flashing down to form a drip. 7. Install metal drip edges beneath flexible flashing at exterior wall face. Stop flexible flashing 1/2 inch back from exterior wall face and adhere flexible flashing to top of metal drip edge. 8. Install metal flashing termination beneath flexible flashing at exterior wall face. Stop flexible flashing 1/2 inch back from exterior wall face and adhere flexible flashing to top of metal flashing termination. 9. Cut flexible flashing flush with wall face after completing masonry wall construction. H. Place weep holes and vents in joints where moisture may accumulate, including at base of cavity walls, above shelf angles, and at flashing. 1. Use wicking material and round plastic tubing to form weep holes. 2. Use wicking material to form weep holes above flashing in stone sills. Turn wicking down at lip of sill to be as inconspicuous as possible. 3. Space weep holes formed from plastic tubing or wicking material 16 inches o.c. 4. Trim wicking material used in weep holes flush with exterior wall face after mortar has set. 5. Place cavity drainage material in cavities to comply with configuration requirements for cavity drainage material in "Miscellaneous Masonry Accessories" Article. 3.4 CONSTRUCTION TOLERANCES A. Variation from Plumb: For vertical lines and surfaces, do not exceed 1/4 inch in 10 feet, 3/8 inch in 20 feet, or 1/2 inch in 40 feet or more. For external corners, expansion joints, control joints, and other conspicuous lines, do not exceed 1/4 inch in 20 feet or 1/2 inch in 40 feet or more. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 B. Variation from Level: For lines of horizontal grooves, and other conspicuous lines, do not exceed 1/4 inch in 20 feet or 1/2 inch in 40 feet or more. C. Variation of Linear Building Line: For position shown in plan, do not exceed 1/2 inch in 20 feet or 3/4 inch in 40 feet or more. D. Measure variation from level, plumb, and position shown in plan as a variation of the average plane of each stone face from level, plumb, or dimensioned plane. E. Variation in Mortar-Joint Thickness: Do not vary from joint size range indicated. F. Variation in Plane between Adjacent Stones: Do not exceed one-half of tolerance specified for thickness of stone. 3.5 INSTALLATION OF ANCHORED STONE MASONRY A. Anchor stone masonry to stud framing with adjustable, screw-attached veneer anchors unless otherwise indicated. Fasten anchors through sheathing to framing with two screws. B. Embed veneer anchors in mortar joints of stone masonry at least halfway, but not less than 1- 1/2 inches, through stone masonry and with at least a 5/8-inch cover on exterior face. 1. Install continuous wire reinforcement in horizontal joints and attach to seismic veneer anchors as stone is set. C. Space anchors to provide not less than one anchor per 2 sq. ft. of wall area. Install additional anchors within 12 inches of openings, sealant joints, and perimeter at intervals not exceeding 12 inches. D. Space anchors not more than 16 inches o.c. vertically and 24 inches o.c. horizontally. Install additional anchors within 12 inches of openings, sealant joints, and perimeter at intervals not exceeding 12 inches. E. Anchor stone trim with stone trim anchors where indicated. Install anchors by fastening to substrate and inserting tabs and dowels into kerfs and holes in stone units. Provide compressible filler in ends of dowel holes and bottoms of kerfs to prevent end bearing of dowels and anchor tabs on stone. Fill remainder of anchor holes and kerfs with mortar. F. Set stone in full bed of mortar with full head joints unless otherwise indicated. Build anchors into mortar joints as stone is set. G. Provide 2-inch cavity between stone masonry and backup construction unless otherwise indicated. Keep cavity free of mortar droppings and debris. 1. Slope beds toward cavity to minimize mortar protrusions into cavity. 2. Do not attempt to trowel or remove mortar fins protruding into cavity. H. Rake out joints for pointing with mortar to depth of not less than 1/2 inch before setting mortar has hardened. Rake joints to uniform depths with square bottoms and clean sides. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 3.6 POINTING A. Prepare stone-joint surfaces for pointing with mortar by removing dust and mortar particles. Where setting mortar was removed to depths greater than surrounding areas, apply pointing mortar in layers not more than 3/8 inch deep until a uniform depth is formed. B. Point stone joints by placing and compacting pointing mortar in layers of not more than 3/8 inch deep. Compact each layer thoroughly and allow to it become thumbprint hard before applying next layer. C. Tool joints, when pointing mortar is thumbprint hard, with a smooth jointing tool to produce the following joint profile: 1. Joint Profile: Concave. 3.7 ADJUSTING AND CLEANING A. Remove and replace stone masonry of the following description: 1. Broken, chipped, stained, or otherwise damaged stone. Stone may be repaired if methods and results are approved by Architect. 2. Defective joints. 3. Stone masonry not matching approved samples and mockups. 4. Stone masonry not complying with other requirements indicated. B. Replace in a manner that result in stone masonry matching approved samples and mockups, complying with other requirements, and showing no evidence of replacement. C. In-Progress Cleaning: Clean stone masonry as work progresses. Remove mortar fins and smears before tooling joints. D. Final Cleaning: After mortar is thoroughly set and cured, clean stone masonry as follows: 1. Remove large mortar particles by hand with wooden paddles and nonmetallic scrape hoes or chisels. 2. Test cleaning methods on mockup; leave one-half of panel uncleaned for comparison purposes. Obtain Architect's approval of sample cleaning before cleaning stone masonry. 3. Protect adjacent stone and non-masonry surfaces from contact with cleaner by covering them with liquid strippable masking agent, polyethylene film, or waterproof masking tape. 4. Wet wall surfaces with water before applying cleaner; remove cleaner promptly by rinsing thoroughly with clear water. 5. Clean stone masonry by bucket and brush hand-cleaning method described in BIA Technical Note No. 20, Revised II, using job-mixed detergent solution. 6. Clean stone masonry with proprietary acidic cleaner applied according to manufacturer's written instructions. 3.8 EXCESS MATERIALS AND WASTE A. Excess Stone: Stack excess stone where directed by Owner for Owner's use. B. Disposal as Fill Material: Dispose of clean masonry waste, including mortar and excess or soil- contaminated sand, by crushing and mixing with fill material as fill is placed. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 04 43 13 - CARMEL CITY CENTER Date 03.26.12 ANCHORED STONE MASONRY VENEER MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 C. Excess Masonry Waste: Remove excess clean masonry waste that cannot be used as fill, as described above, and other waste, and legally dispose of off Owner's property. END OF SECTION 04 43 13