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A NEW ADMINISTRATION OFFICE & STATIONHOUSE FOR CITY OF CULLMAN FIRE & RESCUE CITY OF CULLMAN CULLMAN, ALABAMA

__________________________________________________________________________________________________GOODWYN, MILLS & CAWOOD, INC. UNIT MASONRYGM&C PROJECT NO. ABHM150026 04 2000 - 1 of 17

SECTION 04 2000UNIT MASONRY

PART 1 - GENERAL1.01 SECTION INCLUDES

A. Concrete Block.B. Face Brick.C. Mortar and Grout.D. Reinforcement and Anchorage.E. Flashings.F. Accessories.G. Water Repellents.

1.02 RELATED REQUIREMENTSA. Drawings and general provisions of the Contract, including General and Supplementary Conditions

and Division 1 Specification Sections, apply to this Section.B. Section 01 4000 - Quality Requirements.C. Section 03 3931 - Curing, Sealing and Hardening Concrete Floors: Protection of concrete slab during

masonry work.D. Section 04 7200 - Cast Stone Masonry.E. Section 05 5000 - Metal Fabrications: Loose steel lintels.F. Section 07 1400 - Fluid-Applied Air Barrier: Spray-Applied Air Barrier on masonry surfaces.G. Section 07 2100 - Thermal Insulation: Insulation for cavity between wythes.H. Section 07 8400 - Firestopping: Firestopping at penetrations of fire-rated masonry and at top of

fire-rated walls.I. Section 07 9005 - Joint Sealers: Backing rod and sealant at control and expansion joints.

1.03 REFERENCE STANDARDSA. ACI 530/530.1/ERTA - Building Code Requirements and Specification for Masonry Structures and

Related Commentaries; 2011.B. ASTM A82/A82M - Standard Specification for Steel Wire, Plain, for Concrete Reinforcement; 2007.C. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel

Hardware; 2009.D. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon Steel Bars for

Concrete Reinforcement; 2015.E. ASTM A641/A641M - Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire;

2009a (Reapproved 2014).F. ASTM A666 - Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet,

Strip, Plate, and Flat Bar; 2015.G. ASTM A1064/A1064M - Standard Specification for Carbon-Steel Wire and Welded Wire

Reinforcement, Plain and Deformed, for Concrete; 2015.H. ASTM B370 - Standard Specification for Copper Sheet and Strip for Building Construction; 2012.



I. ASTM C90 - Standard Specification for Loadbearing Concrete Masonry Units; 2014.J. ASTM C91/C91M - Standard Specification for Masonry Cement; 2012.K. ASTM C129 - Standard Specification for Nonloadbearing Concrete Masonry Units; 2011.L. ASTM C140/C140M - Standard Test Methods of Sampling and Testing Concrete Masonry Units and

Related Units; 2014.M. ASTM C144 - Standard Specification for Aggregate for Masonry Mortar; 2011.N. ASTM C150/C150M - Standard Specification for Portland Cement; 2015.O. ASTM C207 - Standard Specification for Hydrated Lime for Masonry Purposes; 2006 (Reapproved

2011).P. ASTM C216 - Standard Specification for Facing Brick (Solid Masonry Units Made From Clay or

Shale); 2014.Q. ASTM C270 - Standard Specification for Mortar for Unit Masonry; 2014a.R. ASTM C404 - Standard Specification for Aggregates for Masonry Grout; 2011.S. ASTM C476 - Standard Specification for Grout for Masonry; 2010.T. ASTM C780 - Standard Test Method for Preconstruction and Construction Evaluation of Mortars for

Plain and Reinforced Unit Masonry; 2012.U. ASTM C1148 - Standard Test Method for Measuring the Drying Shrinkage of Masonry Mortar;

1992a (Reapproved 2008).V. ASTM C1314 - Standard Test Method for Compressive Strength of Masonry Prisms; 2014.W. ASTM C1357 - Standard Test Methods for Evaluating Masonry Bond Strength ; 2009.X. ASTM D226/D226M - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing

and Waterproofing; 2009.Y. ASTM D2822 - Asphalt Roof Cement.Z. ASTM E514/E514M - Standard Test Method for Water Penetration and Leakage Through Masonry;

2014.AA. BIA Technical Notes No. 7 - Water Penetration Resistance - Design and Detailing; 2005.AB. BIA Technical Notes No. 28B - Brick Veneer/Steel Stud Walls; 2005.AC. BIA Technical Notes No. 46 - Maintenance of Brick Masonry; 2005.AD. UL (FRD) - Fire Resistance Directory; current edition.

1.04 ADMINISTRATIVE REQUIREMENTSA. Preinstallation Meeting: Convene a preinstallation meeting one week before starting work of this

section; require attendance by all relevant installers.1.05 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.B. Product Data: Provide data for masonry units, fabricated wire reinforcement, mortar, masonry

accessories, and water repellant and other manufactured products indicated, including certificationsthat each item and type complies with specified requirements. Also, submit product data for flashingsand accessories.

C. Samples: Flashings: Submit two 4 x 4 inch samples of masonry flashings.



D. Shop drawings for reinforcing, if any, detailing fabrication, bending, and placement of unit masonryreinforcing bars. Comply with ACI 315(Details and Detailing of Concrete Reinforcing), showing barschedules, stirrup spacing, diagrams of bent bars, and arrangement of masonry reinforcement.

E. Coordination Drawing indicating the locations of proposed CMU control joints.F. Manufacturer's Certificate: Certify that masonry units meet or exceed specified requirements.G. Manufacturer's Certificate: Certify that water repellent admixture manufacturer has certified masonry

unit manufacturer as an approved user of water repellent admixture in the manufacture of concreteblock.

H. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.1. See Section 01 6000 - Product Requirements, for additional provisions.2. Extra Facing Brick units: 500 of each type, size and color combination.

1.06 QUALITY ASSURANCEA. Comply with provisions of ACI 530/530.1/ERTA, except where exceeded by requirements of the

contract documents.B. Fire Rated Assemblies: Conform to applicable code for fire performance requirements for fire rated

masonry construction. Where indicated, provide materials and construction identical to those ofassemblies whose fire resistance has been determined per ASTM E 119 by a testing and inspectingorganization, by equivalent concrete masonry thickness, or by another means, as acceptable toauthorities having jurisdiction.

C. Single Source Responsibility for Masonry Units: Obtain exposed masonry units of uniform textureand color, or a uniform blend within the ranges accepted for these characteristics, from onemanufacturer for each different product required for each continuous surface or visually relatedsurfaces.

D. Single Source Responsibility for Mortar Materials: Obtain mortar ingredients of uniform quality,including color for exposed masonry, from one manufacturer for each cementitious component andfrom one source and producer for each aggregate.

E. Single-Source Responsibility for Water Repellents: Obtain each type of integral water repellentsfrom a single manufacturer for the entire project.1. Verify full compatibility with any other coatings, fluid applied waterproofing, etc., prior to

application of this and other products. Notify Architect in writing and in detail, of anyincompatible products, prior to any application, and await Architect's written direction on howto proceed.

F. Single-Source Responsibility for Through-Wall Flashings: Self-adhering membrane flashingsassociated with through-wall flashings in this Section shall be manufactured by the manufacturer ofthe water/air barrier coating specified in Section 07 1400 - Fluid Applied Air Barrier, for materialcompatibility and single-source manufacturing responsibility.

G. Subcontractors: Subcontractors shall have been established in their own firms for at least 5 verifiableyears and shall have successfully completed at least 5 verifiable projects of this size, scope, andcomplexity. Furnish names and telephone numbers of General Contractors for each project submittedfor consideration of experience requirements.

1.07 MOCK-UPA. Include Unit Masonry in mock-up as described in Section 01 4000 - Quality Requirements.



B. Construct two additional separate masonry walls as a mock-up panel sized 4 feet long by 4 feet high,including one (1) vertical control joint, which include mortar and accessories, for the purpose ofapproving colors and finish.

C. Build mock-ups to comply with the following requirements, using materials indicated for final unit ofWork.1. Locate where directed.2. Coordinate with work of other Sections.3. Mock-up may not remain as part of the Work.4. Protect mock-ups from the elements with weather-resistant membrane.5. Retain and maintain mock-ups during construction in undisturbed condition as standard for

judging completed unit masonry construction.6. When directed, demolish and remove mock-ups from Project site.

1.08 DELIVERY, STORAGE, AND HANDLINGA. Deliver, handle, and store masonry units by means that will prevent mechanical damage and

contamination by other materials.B. Store cementitious materials and insulation off the ground, under cover, and in dry location.C. Store aggregates where grading and other required characteristics can be maintained and

contamination avoided.D. Store masonry accessories including metal items to prevent corrosion and accumulation of dirt and

oil.E. Store water repellents in strict accordance with manufacturer's written recommendations, off of

ground, under cover, and otherwise as required to protect from damage, contamination, etc.1.09 ENVIRONMENTAL REQUIREMENTS

A. Cold and Hot Weather Requirements: Comply with requirements of ACI 530.1/ASCE 6/TMS 602 orapplicable building code, whichever is more stringent.

PART 2 - PRODUCTS2.01 CONCRETE MASONRY UNITS

A. Concrete Block: Comply with referenced standards and as follows:1. Size: Standard units with nominal face dimensions of 16 x 8 inches and nominal depths as

indicated on the drawings for specific locations. Furnish 8 inch deep units if depth is notindicated on the drawings.

2. Special Shapes: Provide non-standard blocks configured for corners, lintels, headers, controljoint edges, bonding, and other detailed conditions.a. Outside Corner Units: Provide square edged units for outside corners unless otherwise

indicated.b. Radiused corners as indicated on plan.

1) Extent: Unless indicated otherwise, provide radiused corners (bullnose edge) atoutside corners, door jambs, and cased openings.

2) Unless indicated otherwise, first course above floor and at ceiling height course shallbe square corner unit to allow for proper base and ceiling grid installation.

c. Provide one quarter notched foundation block and other preformed shapes, if any, asindicated on the drawings.

3. Load-Bearing Units: ASTM C 90, normal weight.



a. Hollow block, as indicated.b. Unit Compressive Strength: Provide units with minimum average net area compressive

strength of 1,900 psi.c. Weight Classification at Above Grade Locations: Lightweight, except provide Normal

Weight units where required to achieve required fire-ratings according to manufacturer'stesting and/or by "calculated fire resistance" as may be allowed by applicable buildingcode.

d. Exposed faces: Manufacturer's standard color and texture where indicated.4. 12" Units: ASTM C 90, normal weight.

a. Hollow block, as indicated.b. Unit Compressive Strength: Provide units with minimum average net area compressive

strength, f'm of 2,500 psi (required masonry unit strength of 3,750 psi).c. Weight Classification at Above Grade Locations: Normal Weight.d. Exposed Faces: Manufacturer's standard color and texture where indicated.

5. Non-Loadbearing Units: ASTM C129.a. Hollow block, as indicated.b. Unit Compressive Strength: Provide units with minimum average net area compressive

strength of 1,900 psi.c. Weight Classification: Lightweight.

6. 8" and smaller Units: ASTM C 90, lightweight.a. Hollow block, as indicated.b. Unit Compressive Strength: Provide units with minimum average net area compressive

strength, f'm, of 1,500 psi (required masonry unit strength of 1,900 psi).c. Weight Classification: Lightweight (Unless noted otherwise). See partition legend.

7. Units with Integral Water Repellent: Concrete block units as specified in this section withpolymeric liquid admixture added to concrete masonry units at the time of manufacture.a. Performance of Units with Integral Water Repellent:

1) Water Permeance: When tested per ASTM E514/E514M and for a minimum of 72hours.(a) No water visible on back of wall above flashing at the end of 24 hours.(b) No flow of water from flashing equal to or greater than 0.032 gallons per hour at

the end of 24 hours.(c) No more than 25% of wall area above flashing visibly damp at end of test.

2) Flexural Bond Strength: ASTM C1357; minimum 10% increase.3) Compressive Strength: ASTM C1314; maximum 5% decrease.4) Drying Shrinkage: ASTM C1148; maximum 5% increase in shrinkage.

b. Use only in combination with mortar and grout that also has integral water repellentadmixture.

c. Use water repellent admixtures for masonry units, mortar and grout by a singlemanufacturer.

B. Cast Stone: Veneer over CMU: See Section 04 7200 - Cast Stone Masonry.2.02 BRICK UNITS

A. Facing Brick: ASTM C216, Type FBS, Grade SW.1. Color and texture: Match Architect's sample with color Cherokee Velour Brown as supplied by

Jenkins Brick.2. Size: Brick size to be modular, unless noted otherwise.



3. Special shapes: Molded units as required by conditions indicated, unless standard units can besawn to produce equivalent effect.

4. For sills, caps and similar applications resulting in exposure to brick surfaces which otherwisewould be concealed from view, provide uncored or unfrogged units with all exposed surfaces bysawing.

2.03 MORTAR AND GROUT MATERIALS

A. Masonry Cement: ASTM C91.1. Colored Mortar: Premixed cement as required to match Architect's color sample.2. Colored mortar is to match cast stone.

B. Portland Cement: ASTM C 150, Type I or II; color as required to produce approved color sample, orwhite in the absence of an approved color selection.1. Not more than 0.60 percent alkali.2. Hydrated Lime: ASTM C207, Type S.3. Mortar Aggregate: ASTM C144.4. Grout Aggregate: ASTM C404.

C. Water: Clean and potable.D. Accelerating Admixture: Nonchloride type for use in cold weather. E. Water Repellent Mortar Admixture, approved by mortar manufacturer: Water repellent and

efflorescence-control mortar admixture demonstrating resistance to moisture migration andwind-driven rain per ASTM E 514.1. Acceptable product: "Rheopel Plus Mortar Admixture" as manufactured by Master Builders, of

BASF Construction Chemicals, LLC.2. Extent of water repellent admixture: For use in face brick mortar. (Not for CMU mortar.)

2.04 REINFORCEMENT AND ANCHORAGEA. Manufacturers:

1. Dur-O-Wal: www.dur-o-wal.com.2. Hohmann & Barnard, Inc (including Dur-O-Wal brand): www.h-b.com.3. WIRE-BOND: www.wirebond.com.4. Sandell and Diedrich: www:sandellmfg.com.

B. Reinforcing Steel: ASTM A615/A615M, Grade 60 (60,000 psi), deformed billet bars; uncoated.C. Single Wythe Joint Reinforcement: Truss or ladder type; ASTM A1064/A1064M steel wire, mill

galvanized to ASTM A641/A641M, Class 3; 0.1483 inch side rods with 0.1483 inch cross rods; width as required to provide not more than 1 inch and not less than 1/2 inch of mortar coverage oneach exposure.

D. Adjustable Multiple Wythe Joint Reinforcement: Truss type with adjustable ties or tabs spaced at 16in on center and fabricated with moisture drip; ASTM A1064/A1064M steel wire, hot dip galvanizedafter fabrication to ASTM A153/153M, Class B; 0.1875 inch side rods with 0.1483 inch cross rodsand adjustable components of 0.1875 inch wire; width of components as required to provide not morethan 1 inch and not less than 1/2 inch of mortar coverage from each masonry face.1. Vertical adjustment: Not less than 2 inches.

E. Concrete frame: Dovetail anchors of bent steel strap, nominal 1 inch width x 0.024 in thick, withtrapezoidal wire ties 0.1875 inch thick, hot dip galvanized to ASTM A 153/A 153M, Class B.



F. Steel frame: Crimped wire anchors for welding to frame, 0.25 inch thick, with trapezoidal wire ties0.1875 inch thick, hot dip galvanized to ASTM A 153/A 153M, Class B.

G. Steel frame (For anchoring cast stone to frame): Sheet metal plate, 3/4 inch x 6 inch long for weldingto frame, 0.105 inch thick equal to H-B 359-FH, with trapezoidal wire ties 0.1875 inch thick, hot dipgalvanized to ASTM A 153/A 153M, Class B.

H. Masonry Veneer Anchors: 2 piece adjustable veneer anchor for cavity wall construction, toaccommodate board insulation. Hot dip galvanized. Consists of L-shaped plate with holes forconnecting screws and pintle insertion. Equal to HB-213 for metal stud construction, and HB-5213for concrete, CMU or brick backup.

I. Anchor Bolts: Steel bolts complying with A 307, Grade A; with ASTM A 563 hex nuts and, whereindicated, flat washers; hot-dip galvanized to comply with ASTM A 153, Class C; of diameter andlength indicated and in the following configurations, as indicated on the Drawings, or if not indicated,as required for the intended use:1. Headed bolts.2. Nonheaded bolts, straight.3. Nonheaded bolts, bent in manner indicated.

J. Anchor for Cast Stone: Single screw veneer tie with dual-diameter barrel, with EPDM washers toseal face of the insulation and the air/vapor barrier, with steel reinforced plastic coated wings, andwith 2X-Hook. Screw (Carbon Steel): ASTM A510. Wing Nut Anchor Barrel Finish: StainlessSteel - Type 304. Anchor equal to HB Thermal Concrete 2-Seal Wing Nut Anchor, AdjustableVeneer Anchor.

2.05 FLASHINGSA. Self-adhered, rubberized asphalt/polyethylene flashing membrane for cavity wall applications.

1. Self-adhesive cold applied membrane consisting of 0.8 mm(32 mils) of rubberized asphaltintegrally bonded to a 0.2 mm (8mil) high density, cross laminated polyethylene film.a. Thickness: 1mm (40 mils).b. Rolls should be inter-wound with disposable silicone-coated release sheet.c. Provide required companion surface conditioner product, and all other materials and

components recommended by flashing manufacturer.2. Product/Manufacturer:

a. "CCW-705-TWF"; Carlisle Coatings & Waterproofing, Inc.: www.carlisle-ccw.com.b. "Polyguard 400 Thru Wall Flashing"; Polyguard Products, Inc.:

www.polyguardproducts.com.c. "Perm-A-Barrier Wall Flashing"; W.R. Grace & Co.-Conn., Atlanta, GA:

www.na.graceconstruction.com.d. "Textroflash Flashing"; Hohmann & Barnard, Inc.

3. Application: Use at stud backup locations where flashing is fully concealed in masonry,including in part, wall flashing, below sills, at lintels and heads of openings, above grade weepsat base of exterior walls, etc.a. Termination of membrane at dampproofed backup wall must occur 8" above mortar

drainage medium, or approximately 16" above shelf angle. Termination shall beaccomplished using termination bar specified below.1) Termination bar shall be encapsulated with sealant compatible with water/air barrier

coating. Acrylic latex sealant shall not be used.



B. Stainless Steel Flashing: Type 304, soft temper; 24 gauge, 0.0250 inches thick for through-wallapplications; 26 gauge otherwise; finish 2B to 2D. Comply with ASTM A 666.1. Shop-fabricated Metal Flashing (typical below parapet caps and all other tops of walls exposed

at the exterior of building and other locations on site), covered with self-adhering flashing tomake watertight.

2. Low-profile concealed through-wall sheet metal flashing, fabricated with ribs at 3-inch intervalsalong length of material, to provide an integral bond with solid mortar bedding at each side.

3. Height: 3/8-inch.4. Width: 1-inch less than wall thickness (set in-place 1/2-inch back from each exterior wall face).5. Product: Shop-fabricated stainless steel, fabricated to specific project requirements. Cover with

self-adhered, rubberized asphalt flashing for cavity wall application.6. Location: Masonry cavity flashing at relief angles and as noted.

a. Waterproofing membrane shall terminate onto stainless steel pan. Termination shall be aminimum of 1" back from face of exterior masonry wall.

b. Stainless steel flashing shall be end-dammed at termination between through-wall flashingand dissimilar systems.

c. Provide minimum 2" tall back dams, and minimum 2" tall end dams.C. Copper Fabric Flashing: Copper sheet bonded on both sides to glass fabric.

1. Flexible flashing, waterproof, high tensile strength, resistant to mortar acid and alkali action.2. Copper sheet: Full, single copper sheet weighting 3 ounces per square foot, and complying with

ASTM B370.3. Fabric: Heavy glass fabric reinforcing, weighing not less than 0.3 oz/sq.ft./layer, with a

minimum of 20x10 threads per inch, bonded in asphalt layers or by other means.4. Product/Manufacturer: Provide one of the following, or pre-approved equivalent product.

a. "Copper Fabric Flashing"; Advanced Building Products, Inc.: www.advancedflashing.com.b. "DA1505 Copper Fabric Thru-Wall Flashing"; Dur-O-Wal: www.daytonsuperior.com.c. "Multi-Flash Flashing"; York Manufacturing, Inc.: www.yorkmfg.com.d. "Copper Fabric Flashing"; Sandell Construction Solutions: www.sandellmfg.com.

5. Location: Through-wall flashing for locations with masonry veneer having masonry backup.2.06 ACCESSORIES

A. Preformed Control Joints: Rubber material. Provide with corner and tee accessories, fused joints.1. Manufacturers:

a. Dur-O-Wal: www.dur-o-wal.com.b. Hohmann & Barnard, Inc: www.h-b.com.c. WIRE-BOND: www.wirebond.com.

B. Joint Filler: Closed cell rubber; oversized 50 percent to joint width; self expanding; by maximumlengths available.1. Manufacturers:

a. Dur-O-Wal: www.dur-o-wal.com.b. Hohmann & Barnard, Inc: www.h-b.com.c. WIRE-BOND: www.wirebond.com.d. Sandell and Diedrich: www:sandellmfg.com.

C. Cavity Mortar Control: Semi-rigid polyethylene or polyester mesh panels, sized to thickness of wallcavity, and designed to prevent mortar droppings from clogging weeps and cavity vents and allowproper cavity drainage. 18" high.



1. Mortar Diverter: Semi-rigid mesh designed for installation at flashing locations.a. Manufacturers: (Note: Thickness of mortar diverter shall be suitable for size of cavity.)

1) Advanced Building Products Inc.; "Mortar Break II": www.advancedflashing.com.2) CavClear/ Archovations, Inc.; "Masonry Mat": www.cavclear.com.3) Mortar Net USA, Ltd; "Mortar Net": www.mortarnet.com.4) "Polyguard Mortar Deflector"; Polyguard Products, Inc.:

www.polyguardproducts.com.5) Sandell Construction Solutions; "Mortar Web": www.sandellmfg.com.6) Substitutions: See Section 01 6000 - Product Requirements.

b. Location: At the bottom of all masonry drainage cavities, where indicated, and whereverthe masonry drainage cavity is interrupted by relief angles, windows, door, or otherinterruptions. Also provide full height at masonry to flashing conditions at window anddoor jambs, as indicated.

D. Building Paper: ASTM D226/D226M, Type I ("No.15") asphalt felt.E. Termination Bar: Stainless steel bar designed to terminate and seal top of flashing in cavity wall.

Bar shall be flat and shall have pre-drilled holes 8" o.c. for attachment to substrate with appropriatenon-corrosive fasteners. Bar shall be 3/4" wide by 1/8" thick.1. Termination bar shall be encapsulated with sealant which is compatible with water/air barrier

coating. (Acrylic latex sealant shall NOT be used.)F. Weeps: Polyester mesh. Color: as selected.

1. Manufacturers:a. CavClear/Archovations, Inc: www.cavclear.com. b. Mortar Net Solutions: www.mortarnet.com.c. Sandell and Diedrich: www:sandellmfg.com.d. Substitutions: See Section 01 6000 - Product Requirements.

G. Cavity Vents: Polyester mesh. Color: as selected.1. Manufacturers:

a. CavClear/Archovations, Inc: www.cavclear.com. b. Mortar Net USA, Ltd: www.mortarnet.com.c. Sandell and Diedrich: www:sandellmfg.com.

H. Cleaning Solution: Non-acidic, not harmful to masonry work or adjacent materials.2.07 MORTAR AND GROUT MIXES

A. Mortar for Unit Masonry: ASTM C270, using the Proportion Specification.1. Masonry below grade and in contact with earth: Type M.2. Exterior, loadbearing masonry: Type S.3. Exterior, non-loadbearing masonry: Type N.4. Interior, loadbearing masonry: Type S.5. Interior, non-loadbearing masonry: Type N.

B. Colored Mortar: Proportion selected pigments and other ingredients to match Architect's sample,without exceeding manufacturer's recommended pigment-to-cement ratio.

C. Grout: ASTM C476; consistency required to fill completely volumes indicated for grouting; finegrout for spaces with smallest horizontal dimension of 2 inches or less; coarse grout for spaces withsmallest horizontal dimension greater than 2 inches.

D. Mixing: Use mechanical batch mixer and comply with referenced standards.



2.08 WATER REPELLENT:A. Provide from a company with minimum five years experience manufacturing water repellent, and by

an applicator with minimum five years experience applying water repellent. Post-applied waterrepellent product shall be equivalent to “Siloxane PD” as manufactured by SureKlean Weather Seal,subsidiary of Prosoco: www.prosoco.com. One Coat, unless otherwise required by Architect, orrecommended by Manufacturer.1. Other Manufacturers/Products:

a. BASF; "Hydrozo 100": www.BuildingSystems.BASF.com.b. Diedrich Technologies; "303S Siloxseal": www.diedrichtechnologies.com.c. Substitutions: See Section 01 6000 - Product Requirements.

2. Submit for approval prior to application.3. Include in Mock-Up walls for approval.4. Application rate not to exceed product manufacturer's current written recommendations, but

100% coverage is required.PART 3 - EXECUTION3.01 EXAMINATION

A. Verify that field conditions are acceptable and are ready to receive masonry.1. For the record, prepare written report, endorsed by Installer, listing conditions detrimental to

performance of unit masonry, if any.B. Verify that related items provided under other sections are properly sized and located.C. Verify that built-in items are in proper location, and ready for roughing into masonry work.D. Do not proceed until all unsatisfactory conditions have been corrected.

3.02 PREPARATIONA. Direct and coordinate placement of metal anchors supplied for installation under other sections.B. Provide temporary bracing during installation of masonry work. Maintain in place until building

structure provides permanent bracing.C. Mason is to coordinate with electrical, mechanical, plumbing, and any other trade that will have

in-wall work, prior to starting of masonry work.D. Where adjacent flooring is to receive concrete sealing or staining, or polishing and dyeing, provide

minimum 1/2" plywood protection over floor, as described in Section 03 3543 - Concrete Polishingand Dyeing, or Section 03 3931 - Curing, Sealing, and Hardening Concrete Floors.

3.03 COLD AND HOT WEATHER REQUIREMENTSA. Comply with requirements of ACI 530/530.1/ERTA or applicable building code, whichever is more

stringent.3.04 INSTALLATION, GENERAL

A. Thickness: Build cavity and composite walls and other masonry construction to full thickness shown. Build single-wythe walls to actual widths of masonry units, using units of widths indicated.

B. Build chases and recesses to accommodate items specified in this and other Sections.C. Leave openings for equipment to be installed before completing masonry. After installing equipment,

complete masonry to match the construction immediately adjacent to opening.



D. Use full-size units without cutting if possible. If cutting is required to provide a continuous pattern orto fit adjoining construction, cut units with motor-driven saws; provide clean, sharp, unchippededges. Allow units to dry before laying unless wetting of units is specified. Install cut units with cutsurfaces and, where possible, cut edges concealed.

E. Select and arrange units for exposed unit masonry to produce a uniform blend of colors and textures.1. Mix units from several pallets or cubes as they are placed.

3.05 COURSINGA. Establish lines, levels, and coursing indicated. Protect from displacement.B. Maintain masonry courses to uniform dimension. Form vertical and horizontal joints of uniform

thickness.C. Lay out walls in advance for accurate spacing of surface bond patterns with uniform joint widths and

for accurate locating of openings, movement type joints, returns, and offsets. Avoid the use of lessthan half size units at corners, jambs, and where possible at other locations.

D. Lay concealed masonry with all units in a wythe in running bond or bonded by lapping not less than2-inches. Bond and interlock each course of each wythe at corners.

E. Stopping and Resuming Work: In each course, rack back 1/2 unit length in each course; do nottooth. Clean exposed surfaces of set masonry, wet masonry units lightly (if required), and removeloose masonry units and mortar prior to laying fresh masonry.

F. Built-In Work:1. As construction progresses, build-in items specified under this and other Sections of the

Specifications. Fill in solidly with masonry around built-in items.2. Fill space between hollow metal frames and masonry solidly with mortar, unless otherwise

indicated.3. Where built-in items are to be embedded in cores of hollow masonry units, place a layer of

metal lath in the joint below and rod mortar or grout into core.G. Fill cores in hollow concrete masonry units with grout 3 courses (24-inches) under bearing plates,

beams, lintels, posts, and similar items, unless otherwise indicated.H. Concrete Masonry Units:

1. Bond: Running, unless indicated otherwise.2. Coursing: One unit and one mortar joint to equal 8 inches.3. Mortar Joints: Concave, unless indicated otherwise.

I. Brick Units:1. Bond: Running, unless indicated otherwise.2. Coursing: Three units and three mortar joints to equal 8 inches.3. Mortar Joints: Concave, unless indicated otherwise.

3.06 PLACING AND BONDINGA. Lay solid masonry units in full bed of mortar, with full head joints, uniformly jointed with other

work.B. Lay hollow masonry units with face shell bedding on head and bed joints.C. Buttering corners of joints or excessive furrowing of mortar joints is not permitted.D. Remove excess mortar and mortar smears as work progresses; both outside and inside the cavity.



E. Remove excess mortar with water repellent admixture promptly. Do not use acids, sandblasting orhigh pressure cleaning methods.

F. Interlock intersections and external corners. Do not use units with less than nominal 4 inchhorizontal face dimensions at corners or jambs.

G. Do not shift or tap masonry units after mortar has achieved initial set. Where adjustment must bemade, remove mortar and replace.

H. Perform job site cutting of masonry units with proper tools to provide straight, clean, unchippededges. Prevent broken masonry unit corners or edges. Use wet cutting methods to control dust.

I. Cut mortar joints flush where wall tile is scheduled or resilient base is scheduled.J. Isolate masonry partitions from vertical structural framing members with a control joint as indicated.K. Isolate top joint of masonry partitions from horizontal structural framing members and slabs or decks

with compressible joint filler.3.07 WEEPS/CAVITY VENTS

A. Install weeps in veneer and cavity walls at 24 inches on center horizontally above through-wallflashing, above shelf angles and lintels, and at bottom of walls.

B. Install cavity vents in veneer and cavity walls at 32 inches on center horizontally below shelf anglesand lintels and near top of walls.

3.08 CAVITY MORTAR CONTROLA. Do not permit mortar to drop or accumulate into cavity air space or to plug weep/cavity vents.

1. Contractor is to keep cavity clean of mortar droppings and not allow for excessive mortar intothe cavity.

B. For cavity walls, build inner wythe ahead of outer wythe to accommodate accessories.C. Install cavity mortar diverter at base of cavity, immediately above flashing and obstructions in

cavities, and at other flashing locations described in product spec above to prevent mortar droppingsfrom blocking weep/cavity vents.

3.09 SYSTEM PERFORMANCE REQUIREMENTSA. Provide concrete unit masonry that develops the following installed compressive strengths (f'm): f'm

= 1,500 psi.3.10 REINFORCEMENT AND ANCHORAGE - GENERAL

A. Unless otherwise indicated on drawings or specified under specific wall type, install horizontal jointreinforcement 16 inches on center.

B. Place masonry joint reinforcement in first and second horizontal joints above and below openings. Extend minimum 16 inches each side of opening.

C. Place continuous joint reinforcement in first and second joint below top of walls.D. Lap joint reinforcement ends minimum 6 inches.E. Reinforce stack bonded unit joint corners and intersections with strap anchors 16 inches on center.F. Embed tie section in masonry joints. Provide not less than 1 inch air space between back of masonry

veneer wythe and face of sheathing.3.11 REINFORCEMENT AND ANCHORAGE - SINGLE WYTHE MASONRY

A. Install horizontal joint reinforcement 16 inches on center.



B. Place masonry joint reinforcement in first and second horizontal joints above and below openings. Extend minimum 16 inches each side of opening.

C. Place continuous joint reinforcement in first and second joint below top of walls.D. Lap joint reinforcement ends minimum 6 inches.E. Reinforce stack bonded unit joint corners and intersections with strap anchors 16 inches on center.

3.12 REINFORCEMENT AND ANCHORAGE - MASONRY VENEERA. Masonry Back-Up: Embed anchors to bond veneer at maximum 16 inches on center vertically and 32

inches on center horizontally. Place additional anchors at perimeter of openings and ends of panels,so maximum spacing of anchors is 8 inches on center.

B. Stud Back-Up: Secure veneer anchors to stud framed back-up and embed into masonry veneer atmaximum 16 inches on center vertically and 16 inches on center horizontally. Place additionalanchors at perimeter of openings and ends of panels, so maximum spacing of anchors is 8 inches oncenter.

3.13 REINFORCEMENT AND ANCHORAGES - CAVITY WALL MASONRYA. Install horizontal joint reinforcement 16 inches on center.B. Place masonry joint reinforcement in first and second horizontal joints above and below openings.

Extend minimum 16 inches each side of openings.C. Place continuous joint reinforcement in first and second joint below top of walls.D. Lap joint reinforcement ends minimum 6 inches.E. Fasten anchors to structural framing and embed in masonry joints as masonry is laid. Space anchors

at maximum of 24 inches horizontally and 16 inches vertically.F. Reinforce stack bonded unit joint corners and intersections with strap anchors 16 inches on center.

3.14 MASONRY FLASHINGSA. Install flashings in accordance with Drawings, approved shop drawings, and manufacturer's

recommended installation instructions.B. Whether or not specifically indicated, install embedded concealed flashing and weep holes in

masonry at shelf angles, lintels, ledges, and other obstructions to divert water to exterior at alllocations where downward flow of water will be interrupted.1. Extend flashings full width at such interruptions and at least 6 inches into adjacent masonry or

turn up at least 8 inches to form watertight pan at non-masonry construction.2. Remove or cover protrusions or sharp edges that could puncture flashings.3. Seal lapped ends and penetrations of flashing with approved mastic or approved equivalent

before covering with mortar.C. Prepare masonry surfaces so that they are smooth and free from projections that could puncture

flashing. Place flashing on sloping bed of mortar and cover with mortar. Seal penetrations inflashing with adhesive/sealant/tape, as recommended by flashing manufacturer before covering withmortar.1. Where indicated or required by manufacturer, provide continuous seal at top edge, using their

recommended materials.D. Cover all flashing splices with a third piece of flashing, fully bedded in medium modulus silicone

such as Dow 795, Tremco Spectrem 2, Pecora 895, or approved equal.



E. Extend metal flashings through exterior face of masonry and turn down to form drip. Install jointsealer below drip edge to prevent moisture migration under flashing.

F. Extend flashing from exterior face of outer wythe of masonry, through the outer wythe, turned up aminimum of 8 inches on back-up wall (at stud walls), and seal top edge with termination bar andsealant; except turned up a minimum of 8 inches at back-up masonry walls and extended throughback-up wall to within 1/2-inch of its interior face.

G. At heads and sills, extend flashing as specified above unless otherwise indicated, but turn up ends notless than 2 inches to form a pan.

H. Lap end joints of flashings at least 6 inches and seal watertight with flashing sealant/adhesive.I. Install stainless steel metal drip edge when using flexible flashing.J. Prior to starting the installation of flashing, an inplace mock-up will be required.K. Coordinate step flashing with roof installer.

3.15 LINTELSA. Install galvanized loose steel lintels over openings.B. Install reinforced unit masonry lintels over openings where steel or precast concrete lintels are not

scheduled in accordance with the Structural drawings.1. Openings to 42 inches: Place two, No. 3 reinforcing bars 1 inch from bottom web.2. Openings from 42 inches to 78 inches: Place two, No. 5 reinforcing bars 1 inch from bottom

web.3. Openings over 78 inches: Reinforce openings as detailed.4. Do not splice reinforcing bars.5. Support and secure reinforcing bars from displacement. Maintain position within 1/2 inch of

dimensioned position.6. Place and consolidate grout fill without displacing reinforcing.7. Allow masonry lintels to attain specified strength before removing temporary supports.

C. Maintain minimum 8 inch bearing on each side of opening.3.16 GROUTED COMPONENTS

A. Lap splices minimum 48 bar diameters or as required by Structural drawings.B. Support and secure reinforcing bars from displacement. Maintain position within 1/2 inch of

dimensioned position.C. Place and consolidate grout fill without displacing reinforcing.D. At bearing locations, fill masonry cores with grout for a minimum 12 inches either side of opening.

3.17 CONTROL AND EXPANSION JOINTSA. Do not continue horizontal joint reinforcement through control and expansion joints. Install control

and expansion joints in unit masonry where existing in floor slabs, walls, and roof, and as otherwiseindicated. Build in related items as the masonry progresses.

B. Horizontal bond beams and reinforcing shall continue through vertical masonry control joints.C. Form control joint with a sheet building paper bond breaker fitted to one side of the hollow contour

end of the block unit. Fill the resultant core with grout fill. Rake joint at exposed unit faces forplacement of backer rod and sealant. Use firestop materials at fire-rated walls, as specified.



D. Install preformed control joint device in continuous lengths. Seal butt and corner joints in accordancewith manufacturer's instructions.

E. Provide control joints at locations indicated or as approved by Architect, and not to exceed thefollowing at continuous straight runs:1. Exterior and Interior Walls: 25'-0" o.c. maximum along continuous runs of brick masonry.2. Walls of concrete masonry units: 25'-0" o.c. maximum along continuous runs of CMU, unless

indicated otherwise.3. Also provide control joints at inside corners, and within 2'-0" of outside corners.

F. Size control joint in accordance with Section 07 9005 for sealant performance.1. Joint width: 3/8" up to 16' spacing; 1/2" for 16'-22' spacing, and 5/8" for 22'-30' spacing.2. Joints shall be clear of mortar. Seal with silicone sealant, with optional compressible joint filler.

3.18 WATER REPELLENTSA. Apply water repellents to all exterior masonry, unless scheduled to receive a coating under another

division, after thorough cleaning and rinsing, prior to any backfill or any other concealment.B. Install in strict accordance with manufacturer's current written instructions and recommendations.

Test for application rate.C. Thoroughly clean and rinse all masonry prior to application of water repellents, water-proofing,

coatings, paint, etc. Comply with written recommendations of each manufacturer of products to beapplied to masonry work.

3.19 BUILT-IN WORKA. As work progresses, install built-in metal door frames, glazed frames, fabricated metal frames,

window frames, anchor bolts, and plates and other items to be built into the work and furnished underother sections.

B. Install built-in items plumb, level, and true to line.C. Bed anchors of metal door and glazed frames in adjacent mortar joints. Fill frame voids solid with

grout.1. Fill adjacent masonry cores with grout minimum 12 inches from framed openings.

D. Do not build into masonry construction organic materials that are subject to deterioration.3.20 TOLERANCES

A. Maximum Variation from Alignment of Columns: 1/4 inch.B. Maximum Variation From Unit to Adjacent Unit: 1/16 inch.C. Maximum Variation from Plane of Wall: 1/4 inch in 10 ft and 1/2 inch in 20 ft or more.D. Maximum Variation from Plumb: 1/4 inch per story non-cumulative; 1/2 inch in two stories or more.E. Maximum Variation from Level Coursing: 1/8 inch in 3 ft and 1/4 inch in 10 ft; 1/2 inch in 30 ft.F. Maximum Variation of Mortar Joint Thickness: Head joint, minus 1/4 inch, plus 3/8 inch.G. Maximum Variation from Cross Sectional Thickness of Walls: 1/4 inch.H. Maximum Variation for Vertical Alignment of Head Joints: 1/4 inch in 10 ft, 1/2" maximum.

3.21 CUTTING AND FITTINGA. Cut and fit for chases, pipes, conduit, sleeves, and grounds. Coordinate with other sections of work

to provide correct size, shape, and location.



B. Obtain approval prior to cutting or fitting masonry work not indicated or where appearance orstrength of masonry work may be impaired.

3.22 FIELD QUALITY CONTROLA. An independent testing agency will perform field quality control tests, as specified in Section 01

4000 - Quality Requirements.B. Concrete Masonry Unit Tests: Test each variety of concrete unit masonry in accordance with ASTM

C140/C140M for conformance to requirements of this specification.C. Mortar Tests: Test each type of mortar in accordance with ASTM C780, testing with same frequency

as masonry samples.D. Use Volume Boxes.

3.23 REPAIRING, POINTING, AND CLEANINGA. Remove and replace masonry units that are loose, chipped, broken, stained or otherwise damaged or

if units do not match adjoining units. Install new units to match adjoining units and in fresh mortar orgrout, pointed to eliminate evidence of replacement.1. Clean glass unit masonry as work progresses. Remove mortar fins and smears immediately,

using a clean, wet sponge or a scrub brush with still fiber bristles. Do not use harsh cleaners,acids, abrasives, steel wool, or wire brushes when removing mortar or cleaning glass unitmasonry.

B. Pointing: During the tooling of joints, enlarge any voids or holes, except weep holes, and completelyfill with mortar. Point-up all joints including corners, openings, and adjacent construction to providea neat, uniform appearance, prepared for application of sealants.

C. Remove all efflorescence from concrete masonry units, exposed and not exposed. Ensure that allmasonry walls are dry prior to installation of air and water barriers or other finish materials.

D. Remove excess mortar and mortar droppings. Remove and replace masonry units that are loose,chipped, broken, stained, or otherwise damaged or if units do not match adjoining units. Install newunits to match adjoining units and in fresh mortar or grout, pointed to eliminate evidence ofreplacement.

E. Replace defective mortar. Match adjacent work.F. Final Cleaning: After mortar is thoroughly set and cured, clean exposed masonry as follows:

1. Remove large mortar particles by hand with wooden paddles and nonmetallic scrape hoes orchisels.

2. Test cleaning methods on sample wall panel; leave 1/2 panel uncleaned for comparisonpurposes. Obtain Architect's approval of sample cleaning before proceeding with cleaning ofmasonry.

3. Protect adjacent stone and nonmasonry surfaces from contact with cleaner by covering themwith liquid strippable masking agent, polyethylene film, or waterproof masking tape.

4. Saturate wall surfaces with water prior to application of cleaners; remove cleaners promptly byrinsing thoroughly with clear water.

5. Clean brick by means of bucket and brush hand-cleaning method described in BIA "TechnicalNote No. 20 Revised", to clean brick masonry made of clay or shale, except use detergent as themasonry cleaner.

6. Clean concrete masonry by means of cleaning method indicated in NCMA TEK 45 applicable totype of stain present on exposed surfaces.

7. Comply with masonry manufacturer's instructions.

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3.24 PROTECTIONA. Without damaging completed work, provide protective boards at exposed external corners that are

subject to damage by construction activities.B. Protection of Masonry:

1. During erection, cover tops of walls, projections, and sills with waterproof sheeting at end ofeach day's work. Cover partially completed masonry when construction is not in progress.

2. Extend cover a minimum of 24-inches down both sides and hold cover securely in place.3. Where one wythe of multi-wythe masonry walls is completed in advance of other wythes, secure

cover a minimum of 24-inches down face next to unconstructed wythe and hold cover in place.C. Do not apply uniform floor or roof loads for at least 12 hours and concentrated loads for at least 3

days after building masonry walls or columns.D. Stain Prevention:

1. Prevent grout, mortar, and soil from staining the face of masonry to be left exposed, painted,and/or to receive any other coatings. Remove immediately any grout, mortar, and soil that comein contact with such masonry.

2. Protect base of walls from rain-splashed mud and mortar splatter by means of coverings spreadon ground and over wall surface, until landscaping or other improvements indicated adjacent tocompleted masonry work are in place.

3. Protect sills, ledges, and projections from mortar droppings.4. Protect surfaces of window and door frames, as well as similar products with painted and

integral finishes from mortar droppings, coatings, water repellents, and/or any other damage.END OF SECTION 04 2000





























__________________________________________________________________________________________________GOODWYN, MILLS & CAWOOD, INC. CAST STONE MASONRYGM&C PROJECT NO. ABHM150026 04 7200 - 1 of 7

SECTION 04 7200CAST STONE MASONRY

PART 1 - GENERAL1.01 SECTION INCLUDES

A. Architectural Cast Stone.B. Units Required are running bond walls, sills, banding, split-face 1' x 4' field and banding units, water

table units, and other custom shapes as indicated.C. Architectural Precast Concrete.D. Water Repellents.

1.02 RELATED REQUIREMENTSA. Drawings and general provisions of Contract, including General Conditions and Division 1

Specification Sections, apply to the work of this Section.B. Section 04 2000 - Unit Masonry: Installation of cast stone in conjunction with masonry.C. Section 07 6200 - Sheet Metal Flashing and Trim: Flashing, Vents and Masonry Accessories.D. Section 07 9005 - Joint Sealers: Materials and execution methods for sealing soft joints in cast stone

work.1.03 REFERENCE STANDARDS

A. ACI 318 - Building Code Requirements for Structural Concrete and Commentary; 2011.B. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and

Steel Products; 2015.C. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon Steel Bars for

Concrete Reinforcement; 2015.D. ASTM A767/A767M - Standard Specification for Zinc-Coated (Galvanized) Steel Bars for Concrete

Reinforcement; 2009.E. ASTM A775/A775M - Standard Specification for Epoxy-Coated Steel Reinforcing Bars; 2007b

(Reapproved 2014).F. ASTM C33/C33M - Standard Specification for Concrete Aggregates; 2013.G. ASTM C150/C150M - Standard Specification for Portland Cement; 2015.H. ASTM C270 - Standard Specification for Mortar for Unit Masonry; 2014a.I. ASTM C494/C494M - Standard Specification for Chemical Admixtures for Concrete; 2013.J. ASTM C642 - Standard Test Method for Density, Absorption, and Voids in Hardened Concrete;

2013.K. ASTM C979/C979M - Standard Specification for Pigments for Integrally Colored Concrete; 2010.L. ASTM C1364 - Standard Specification for Architectural Cast Stone; 2010b.

1.04 SUBMITTALSA. See Section 01 3000 - Administrative Requirements, for submittal procedures.B. Manufacturer's Qualification Data: Documentation showing compliance with specified requirements.C. Product Data: Test results of cast stone components made previously by the manufacturer.

1. Include one copy of ASTM C1364 for Architect's use.



D. Shop Drawings: Include elevations, dimensions, layouts, profiles, cross sections, reinforcement,exposed faces, arrangement of joints, anchoring methods, anchors, and piece numbers.1. Anchoring design shop drawings shall include design engineer's stamp or seal and signature on

each sheet, certifying attachment details, anchorage, and size and shape of fasteners are inconformance with all State and local codes and regulations.

E. Mortar Color Selection Samples.F. Samples, For Review:

1. Basic Shapes: One of each, not less than 8 inches long. For selection of color, texture andshape.

2. Accent, Trim and Specialty Shapes: One of each.G. Verification Samples: Pieces of actual cast stone components not less than 8 inches long, illustrating

range of color and texture to be anticipated in components furnished for the project.H. Full-Size Samples: One unit of each shape, for review. Make available for Architect's review at

Project site.I. Mortar Color Verification Samples.J. Source Quality Control Test Reports.

1.05 QUALITY ASSURANCEA. Manufacturer Qualifications:

1. A firm with a minimum of 5 years experience producing cast stone of types required for project.2. Current producer member of the Cast Stone Institute or the Architectural Precast Association

with a minimum of 10 years experience in producing cast stone of the types required for theproject.

3. Manufacturer's production facility currently holds a Plant Certification from the Cast StoneInstitute or the Architectural Precast Association.

4. Adequate plant capacity to furnish quality, sizes, and quantity of cast stone required withoutdelaying progress of the work.

5. Manufacturer shall have an internal Quality Assurance Testing Program with CertifiedLaboratory Technician.

6. Obtain cast stone units through one source from a single manufacturer.B. Professional Engineer Qualifications: Professional engineer experienced in design of this work and

licensed in the state in which the project is located, or personnel under direct supervision of such anengineer.

C. Single-Source Responsibility: Obtain cast stone units and architectural precast products from a singlemanufacturer. The purpose of this is to guarantee that color and texture of such products is the same.

D. Single Source Responsibility for Mortar Materials: Obtain mortar ingredients of uniform quality,including color for exposed masonry, from one manufacturer for each cementitious component andfrom one source and producer for each aggregate.

E. Single-Source Responsibility for Water Repellents: Obtain each type of integral and applied waterrepellents from a single manufacturer for the entire project.1. Verify full compatibility with any other coatings, fluid applied waterproofing, etc., prior to

application of this and other products. Notify Architect in writing and in detail, of anyincompatible products, prior to any application, and await Architect's written direction on howto proceed.



F. Source Quality Control: Test compressive strength and absorption of specimens selected at randomfrom plant production.1. Test in accordance with ASTM C642.2. Select specimens at rate of 3 per 500 cubic feet, with a minimum of 3 per production week.3. Submit reports of tests by independent testing agency, showing compliance with requirements.

1.06 MOCK-UPA. Include cast stone masonry in Mock-Up as described in Section 01 4000 - Quality Requirements.

1.07 DELIVERY, STORAGE, AND HANDLINGA. Schedule and coordinate production and delivery of architectural cast stone products with unit

masonry work.B. Deliver cast stone components secured to shipping pallets and protected from damage and

discoloration. Protect corners from damage.1. Lift with wide-belt slings; do not use wire rope or ropes that might cause staining.2. Provide itemized shipping list.

C. Number each piece individually to match shop drawings and schedule.D. Store cast stone components and installation materials in accordance with manufacturer's instructions.E. Store cast stone components on pallets with nonstaining, waterproof covers. Ventilate under covers to

prevent condensation. Prevent contact with dirt and splashing.F. Protect cast stone components, including corners and edges, during storage, handling and installation

to prevent chipping, cracking, staining, or other damage.G. Handle long units at center and both ends simultaneously to prevent cracking.H. Do not use pry bars or other equipment in a manner that could damage units.I. Store mortar materials where contamination can be avoided.J. Stained or damaged units will not be accepted and will be replaced at the Contractor's expense.K. Schedule and coordinate production and delivery of architectural cast stone components with unit

masonry work to optimize on-site inventory and to avoid delaying the work.PART 2 - PRODUCTS2.01 MANUFACTURERS

A. Architectural Cast Stone:1. Must be current producer member of the Architectural Precast Association or the Cast Stone

Institute.2. RockCast, a division of Reading Rock: www.readingrock.com.3. Substitutions: See Section 01 6000 - Product Requirements.

2.02 ARCHITECTURAL CAST STONEA. Cast Stone: Architectural concrete product manufactured to simulate appearance of natural

limestone, complying with ASTM C1364.1. Casting Method: Vibrant dry hand tamp or wet cast as required.2. Compressive Strength: ASTM C 1194: Minimum 6,500 psi at 28 days.3. Absorption, ASTM C 1195: Maximum 6 percent, by cold water method, at 28 days.4. Linear Shrinkage, ASTM C 426: Less than 0.065 percent.5. Density, ASTM C 140: Greater than 120 pounds per cubic foot.



6. Freeze-Thaw, ASTM C 666: Less than 5 percent cumulative mass loss after 300 cycles.7. Air Content: ASTM C 173 or C 231 for wet cast product shall be 4-8 percent for units exposed

to freeze-thaw environments; air entrainment is not required for VDT products.8. Remove cement film from exposed surfaces before packaging for shipment.

B. Shapes: Provide shapes indicated on drawings.1. Variation from any Dimension, Including Bow, Camber, and Twist: Maximum of plus/minus

1/8 inch or length divided by 360, whichever is greater, but not more than 1/4 inch.2. Unless otherwise indicated on drawings, provide:

a. Wash or slope of 1:12 on exterior horizontal surfaces.b. Drips on projecting components, wherever possible. c. Raised fillets at back of sills and at ends to be built in.

3. Bed Depth: 3-5/8 inches, unless indicated otherwise.C. Reinforcement: Provide reinforcement as required to withstand handling and structural stresses;

comply with ACI 318.1. Pieces More than 24 inches in Any Dimension: Provide full length two-way reinforcement of

cross-sectional area not less than 0.25 percent of unit cross-sectional area.2.03 MATERIALS

A. Portland Cement: ASTM C150/C150M.1. For Units: Type I, white or gray as required to match Architect 's sample.2. For Mortar: Type I or II, except Type III may be used in cold weather.

B. Coarse Aggregate: ASTM C33/C33M, except for gradation; granite, quartz, or limestone.C. Fine Aggregate: ASTM C33/C33M, except for gradation; natural or manufactured sands.D. Pigments: ASTM C979, inorganic iron oxides; do not use carbon black.E. Admixtures: ASTM C494/C494M.

1. Water Reducing, Retarding, and Accelerating Admixtures: ASTM C 494.2. ASTM C 260 for air-entraining admixtures.3. Integral Water Repellant, approved by cast stone manufacturer: Integral water repellent and

efflorescence control admixture demonstrating resistance to wind-driven rain per ASTM E 514:a. Acceptable product: "Rheopel Plus" Water Repellent and Efflorescence Control

Admixture, as manufactured by Master Builders, of BASF Construction Chemicals, LLC.4. ASTM C 618 for mineral admixtures.5. ASTM D 989 for ground granulated blast-furnace slag.6. Other Admixtures For which no ASTM standard exists, shall be previously established as

suitable for use in concrete by proven field performance or through laboratory testing.F. Water: Potable.G. Reinforcing Bars: ASTM A615/A615M deformed bars, epoxy coated or galvanized when covered

with less than 1-1/2 inches of material.1. Galvanized in accordance with ASTM A767/A767M, Class I.2. Epoxy coated in accordance with ASTM A775/A775M.

H. Steel Welded Wire Reinforcement: ASTM A 185/A 185M, galvanized or epoxy coated.I. Embedded Anchors, Dowels, and Inserts: Type 304 stainless steel, of type and size as required for

conditions. Cast stone supplier is responsible for supplying all necessary anchors.



J. Shelf Angles and Similar Structural Items: Hot-dip galvanized steel per ASTM A123/A123M, ofshapes and sizes as required for conditions.

K. Mortar: Portland cement-lime, ASTM C270, Type N; do not use masonry cement.L. Sealant, and backer rods: As specified in Section 07 9005.M. Cleaner: General-purpose cleaner designed for removing mortar and grout stains, efflorescence, and

other construction stains from new masonry surfaces without discoloring or damaging masonrysurfaces; approved for intended use by cast stone manufacturer and by cleaner manufacturer for useon cast stone and adjacent masonry materials.

2.04 ACCESSORIESA. Bond Breaker: 6-mil polyethylene.B. Water Repellent: Product with UV sensitive/fugitive dye, in water carrier; or equal product,

approved by cast stone manufacturer. Water repellent manufacturer shall provide certification thatwater repellent is compatible with cast stone and other (integral) water repellents used. Application:One coat, unless otherwise required to obtain complete coverage.1. Application rate not to exceed product manufacturer's current written recommendations, but

100% coverage is required.2. Submit for approval prior to application.

2.05 TOLERANCESA. General: Manufacture cast stone units within tolerances in accordance with Cast Stone Institute

Technical Manual, unless otherwise specified.B. Cross Section Dimensions: Do not deviate by more than plus or minus 1/8 inch from approved

dimensions.C. Length of Units: Do not deviate by more than length/360 or plus or minus 1/8 inch, whichever is

greater, not to exceed plus or minus 1/4 inch.D. Warp, Bow, or Twist: Do not exceed length/360 or plus or minus 1/8 inch, whichever is greater.

2.06 FINISHESA. General: Smooth. Match texture and color of full-size sample on file with Architect. Split-face units

where indicated.B. Texture of surfaces exposed to view:

1. Fine-grained texture similar to natural stone.2. Approximately equal to approved sample when viewed in direct daylight at 10 feet.

C. Surface Air Voids:1. Size: Maximum 1/32 inch.2. Density: Less than 3 occurrences per any 1 square inch.3. Viewing Conditions: Not obvious under direct daylight at 10 feet.

D. Color:1. Match Architect's sample.2. Color Variation:

a. Viewing Conditions: Compare in direct daylight at 10 feet, between units of similar age,subjected to similar weathering conditions.

b. Total Color Difference: ASTM C 1364, 6 units.c. Hue Difference: ASTM C 1364, 2 units.



E. Chipping:1. Minor chipping: Chips which are not obvious in direct daylight at 20 feet.2. Chipping which exceeds definition of minor chipping, as determined by Architect, shall be

grounds for rejection of units.2.07 SOURCE QUALITY CONTROL

A. Plant Production Testing: Test compressive strength and absorption from specimens selected atrandom from plant production. Tests to be conducted by certified laboratory testing technicians.1. Custom Cast Stone Units: Test in accordance with ASTM C 1194 and C 1195.

PART 3 - EXECUTION3.01 EXAMINATION

A. Examine construction to receive cast stone components. Notify Architect if construction is notacceptable.

B. Do not begin installation until unacceptable conditions have been corrected.C. Examine cast stone units before installation. Do not install unacceptable units.

3.02 INSTALLATIONA. Install cast stone components in conjunction with masonry, complying with requirements of Section

04 2000.1. Use masonry wall ties specified in Section 04 2000 - Unit Masonry.2. Pull units from multiple cubes during installation to minimize variation in color and help with

natural blending.3. Cut units using motor-driven masonry saws. Turn finished ends to the visible side and turn the

saw cut to the inside of the mortar joints to hide exposed aggregates and saw marks.4. Avoid use of pry bars or other equipment in a manner that could damage units.

B. Setting:1. Set units in a full bed of mortar unless otherwise indicated.2. Fill vertical joints with mortar.3. Fill dowel holes and anchor slots completely with mortar or non-shrink grout.

C. Joints: Make all joints 3/8 inch, except as otherwise detailed.1. Remove excess mortar from face of stone before pointing joints.2. Remove mortar fins and smears before tooling joints.3. Point joints with mortar in layers 3/8 inch thick and tool to a slight concave profile.4. Leave the following joints open for sealant:

a. Head joints in top courses, including copings, parapets, cornices, sills, and steps.b. Joints in projecting units.c. Joints between rigidly anchored units, including soffits, panels, and column covers.d. Joints below lugged sills and stair treads.e. Joints below ledge and relieving angles.f. Joints labeled "expansion joint".

D. Sealant Joints: Install sealants as specified in Section 07 9005.E. Installation Tolerances:

1. Variation from Plumb: Not more than 1/8 inch in 10 feet or 1/4 inch in 20 feet or more.2. Variation from Level: Not more than 1/8 inch in 10 feet or 1/4 inch in 20 feet, or 3/8 inch

maximum.



3. Variation in Joint Width: Do not vary joint thickness more than 1/8 inch or 1/4 of nominal jointwidth, whichever is greater.

4. Variation in Plane Between Adjacent Surfaces: Do not exceed 1/8 inch difference betweenplanes of adjacent units or adjacent surfaces indicated to be flush with units.

F. Cover wainscot for protection and bond separation with plastic, felt paper or other approved products.G. Cover freshly installed masonry products as required to assist with the curing process.H. Water Repellent: After installation, cleaning, repair, inspection, and acceptance of units, apply water

repellent according to manufacturer's recommendations.3.03 REPAIR

A. Repairs: Repair chips and other surface damage noticeable when viewed in direct daylight at 20 feet.B. Repair with matching touchup material provided by the manufacturer and in accordance with

manufacturer's instructions.C. Repair methods and results to be approved by Architect.D. Units that cannot be repaired satisfactorily shall be replaced.

3.04 CLEANINGA. Clean completed exposed cast stone after mortar is thoroughly set and cured.B. Perform test of cleaner on small area of 4 feet by 4 feet on each type and color and receive approval

by Architect before full cleaning. Let test area dry 4 to 5 days before inspection. Keep test area forfuture comparison.

C. Wet surfaces with water before applying cleaner.D. Apply cleaner to cast stone in accordance with manufacturer's instructions.E. Brush on cleaner, let dwell for 2 to 3 minutes. Reapply cleaner, scrub surface with masonry brush

and rinse off thoroughly. Areas with heavy soiling use a wood block or non-metallic scraper.F. Remove cleaner promptly by rinsing thoroughly with clear water.G. Do not use acidic cleaners, power washing, sandblasting, or harsh cleaning materials or methods that

would damage or discolor surfaces.3.05 PROTECTION

A. Protect completed work from damage.B. Clean, repair, or restore damaged or mortar-splashed work to condition of new work.

END OF SECTION 04 7200

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