Page i Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 REINFORCED CONCRETE MASONRY INDEX SECTION TITLE PAGE 1 SCOPE............................................................................................................................1 2 MATERIALS ....................................................................................................................1 3 CONCRETE MASONRY UNITS (CMU) ..........................................................................2 4 PROPORTIONS ..............................................................................................................4 5 REINFORCEMENT AND EMBEDDED ITEMS..................................................................4 6 WORKMANSHIP .............................................................................................................5 7 FINISHES ........................................................................................................................7 8 TESTING .........................................................................................................................7 9 PAINTING AT “CMU-3” TYPE BLOCK..............................................................................8 10 SAFETY AND CLEANUP .................................................................................................8 11 ATTACHMENTS .............................................................................................................8 Page 1 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 1 SCOPE 1.1 2 This Specification includes all labor, materials and equipment necessary to provide all work indicated as reinforced masonry. Included, but not limited to: 1.1.1 Shop drawings detailing the fabrication, bending and placement of unit masonry reinforcing bars. 1.1.2 Concrete Masonry Unit (CMU) on the drawings. 1.1.3 Installing reinforcing steel, loose lintels and horizontal joint reinforcing. 1.1.4 Installing bolts, inserts, flashing, sleeves, etc., as required by other trades. 1.1.5 Expansion fillers and control joints. 1.1.6 Blockouts. 1.1.7 Coordination with other trades and disciplines, including electrical and piping. 1.2 Includes all labor, materials and equipment necessary to provide mortar and grout for all masonry work. 1.3 Reinforced masonry walls shall be constructed in strict accordance with the requirements of Chapter 21 of the International Building Code, 2006 Edition and the American Concrete Institute (ACI), Building Code Requirements and Specifications for Masonry Structures and Related Commentaries ACI-530-05 as reported by the Masonry Standards Joint Committee. MATERIALS 2.1 Portland cement shall be per ASTM C150, Type II. 2.2 Lime shall be per ASTM C270, normal hydrated, Type “S.” 2.3 Reinforcing steel shall conform to ASTM 615, Grade 60. 2.4 Horizontal reinforcement shall be galvanized truss type “Dur-O-Wall,” standard gage or equal, at 400 millimeters (16 inches) on center, unless otherwise shown on the drawings, conforming to the requirements of ASTM A951. 2.4.1 Wire Diameter for Side Rods: 4 millimeters (0.1483 inch) - 9 gage. 2.4.2 Wire Diameter for Cross Rods: 4 millimeters (0.1483 inch) - 9 gage. 2.5 Water shall be free of injurious amounts of oils, acids, alkali or organic matter and shall be drinkable. 2.6 Aggregate for Mortar: ASTM C144. Page 2 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 3 2.7 Aggregate for Grout: ASTM C404. 2.8 Vertical stress relief joints shall be regular “Rapid Control Joint,” or equal. 2.9 Concrete masonry units shall be hollow load bearing, normal weight, conforming to ASTM C90, Grade N-I, with a minimum 28 day compressive strength of 140 kg/cm2 (2,000 psi) for whole assembly. CONCRETE MASONRY UNITS (CMU) 3.1 3.2 Shapes: Provide shapes indicated and as follows, with exposed surfaces matching exposed faces of adjacent units unless otherwise indicated. 3.1.1 Provide special shapes for lintels, corners, jambs, sashes, movement joints, headers, bonding, and other special conditions. 3.1.2 Provide split face on front and corner edges for corner units, units for outside corners unless otherwise indicated. Integral Water Repellent: Provide units made with integral water repellent for exposed units. 3.2.1 Integral Water Repellent: Liquid polymeric, integral water-repellent admixture that does not reduce flexural bond strength. Units made with integral water repellent, when tested according to ASTM E 514/E 514M as a wall assembly made with mortar containing integral water-repellent manufacturer's mortar additive, with test period extended to 24 hours, shall show no visible water or leaks on the back of test specimen. 3.2.1.1 3.3 Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following: 3.2.1.1.1 ACM Chemistries; RainBloc. 3.2.1.1.2 BASF Corporation-Construction Rheopel Plus. 3.2.1.1.3 Grace Construction Products; W.R. Grace & Co. –Conn.; Dry-block. Systems; CMUs: ASTM C 90 (“CMU-1” Type) Integral color smooth faced CMU. 3.3.1 Products: following: Subject to compliance with requirements, provide the 3.3.1.1 Integral color smooth faced CMU with nominal 200mm x 200mm x 400mm. 3.3.1.2 “Refer to Attachment 1” for block module for this unit. Page 3 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 3.4 3.3.2 Unit Compressive Strength: Concrete masonry units shall be hollow load bearing conforming to ASTM C 90, Grade N-I with a minimum twenty-eight (28) day compressive strength of 140 kg/cm2 (2,000 psi) for whole assembly. 3.3.3 Density Classification: Normal weight unless otherwise indicated. 3.3.4 Size (Width): Manufactured to dimensions 10mm (3/8 inch) less-thannominal dimensions. Nominal size of block is 200mm x 200mm x 400mm. 3.3.5 CMU block color: Choose from Manufacturer’s selection. 3.3.6 Exposed Faces: Provide color and texture matching the range represented by Architect's sample. 3.3.7 Samples: sample. Decorative CMUs: ASTM C 90. (“CMU-2” Type) Integral color split face. 3.4.1 3.5 Provide block sample to confirm match with Architect’s Products: following: Subject to compliance with requirements, provide the 3.4.1.1 Integral color split faced CMU with nominal 200mm x 200mm x 400mm. 3.4.1.2 Refer to sketch titled “Nominal CMU-1 & CMU-2 Block Types” by M3 Tucson for block module for this unit 3.4.2 Unit Compressive Strength: 140 kg/cm2 (2,000psi) for whole assembly. 3.4.3 Density Classification: Normal weight. 3.4.4 Size (Width): Manufactured to dimensions specified in "CMUs" Paragraph. 3.4.5 Pattern and Texture: Split face. 3.4.6 CMU Block Color: Choose from Manufacturer’s selection. 3.4.7 Samples: sample. Provide block sample to confirm match with Architect’s Standard Grey CMUs: ASTM C 90 (“CMU-3” Type) 3.5.1 Unit Compressive Strength: 140 kg/cm2 (2,000psi) for whole assembly. 3.5.2 Size: Manufactured to dimensions specified in "CMUs" Paragraph. 3.5.3 Colors and Patterns: Standard Grey block. Page 4 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 3.5.4 4 Refer to sketch titled “Nominal CMU-3 Block Type” by M3 Tucson, for block module for this unit. PROPORTIONS 4.1 4.2 Grout 4.1.1 The grout shall be sufficiently fluid to insure complete filling of all sections of masonry requiring grout, but not so thin as to allow segregation of aggregate. Grout shall conform to ASTM C476 and shall attain a minimum 28 day compressive strength of 176 kg/cm2 (2500 psi). 4.1.2 Fine grout shall be proportioned one part Portland cement to 1/10 part maximum hydrated lime or lime putty, and 2 1/4 to 3 parts sand. 4.1.3 Coarse grout shall be proportioned one part Portland cement to 1/10 part maximum hydrated lime or lime putty, and 2 1/4 to 3 parts sand and 1 to 2 parts gravel. Coarse grout may be used when minimum dimensions of any cell to be filled is 4 inches. Mortar 4.2.1 Mortar shall conform to ASTM C270, Type “M” and shall attain a twentyeight (28) day compressive strength of 130 kg/cm2 (1800 psi). 4.2.2 Mortar shall have the following approximate proportions: A. One (1) Bag Lime. B. Two (2) Bags Cement. C. Forty (40) to Fifty (50) shovels of sand. 4.2.3 5 Mortar at “CMU-1” and “CMU-2” types shall be colored aggregate Mortar to match color of CMU. Mortar at “CMU-3 Type shall be natural gray in color. REINFORCEMENT AND EMBEDDED ITEMS 5.1 Reinforcing steel shall be lapped a minimum of 40 bar diameters. 5.2 Truss type “Dur-O-Wall” shall be lapped a minimum of 150 millimeters (6 inches). 5.3 All cells containing reinforcement shall be filled solid with grout. 5.4 Reinforcement shall be provided as called for on the drawings. Footings and dowel rebar will be furnished and set by others. 5.5 Foundation dowels that, through error, do not line up with the vertical cell to be reinforced shall not be bent over but shall be grouted into a cell in direct vertical alignment even if it is in an adjacent cell to the vertical bars in the wall. Page 5 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 6 5.6 Install “Dur-O-Wall” prefab Tees, or approved equal, to match horizontal reinforcement at intersecting walls. 5.7 Anchors, inserts, reglets, flashing, bolts, ties, etc., shall be firmly embedded in joints as masonry is laid. 5.8 Where any work set under another section of this Specification is to be built into the masonry, this Contractor shall cooperate with other Contractors for that work and take care not to disturb work set by others. Build in such items as door and window frames, vents, conduits and chases as masonry is being constructed to avoid cutting of masonry after erection. WORKMANSHIP 6.1 All components of the masonry mortar shall be delivered to the jobsite separately and shall be combined into specified mortar on the jobsite only. Sand/lime mix as a component of the mortar may be furnished to the jobsite subject to an optional three samples being taken by the Contractor. 6.2 Coursing and bond shall be laid out before first course is laid so that closures and plugs are kept to a minimum. No deviation from coursing shown on the drawings shall be permitted without prior approval of the Contractor. 6.3 Masonry shall be laid plumb, level and true to line with surfaces plumb and conforming to plane. 6.4 Exposed masonry units shall be neatly cut with a power saw to exact fit so that cut units match adjacent work in appearance. 6.5 Hollow units shall be laid with full mortar coverage on face shells and webs surrounding cells to be filled. First course shall be laid full mortar bed. 6.6 Vertical head joints shall be buttered for a thickness equal to the face shell of the block and the joints shoved tightly so that the mortar bonds to both blocks. Joints shall be solidly filled from the face of the block to the depth of the face shell. 6.7 The mason shall avoid over plumbing and pounding of the corners and jambs to fit units after they are set in position. Where an adjustment must be made after the mortar has set, the mortar shall be removed and replaced with fresh mortar. 6.8 Construction of vertical control joints shall be a maximum of 6000 mm (20 feet) on center. 6.9 For all masonry where blocks serve as the finished surface on the interior, grouting shall be done by the low lift method in maximum lifts of 1220 millimeters (4 feet). Grouting in other masonry may be accomplished in 2440 millimeters (8 foot) lifts with cleanouts or by the low lift method. 6.10 No mortar shall be used after it has dried out or taken its initial set. Mortar shall not be used as grout. Page 6 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 6.11 The jambs and head of metal door frames in masonry walls shall be fully grouted. The cell adjacent to all window and door jambs shall be grouted solid and reinforced with a minimum of one #5 rebar from the top of the foundation to the lintel. The frames shall be filled in 600 millimeters (2 foot) lifts as the masonry is laid. 6.12 All door frames installed in masonry shall be temporarily braced, as required, to keep the frames plumb and true. Door frames shall be fastened to the masonry with door frame anchors supplied with the frame. 6.13 All masonry units shall be transported and handled in a manner as to prevent chipping and breakage. Storage piles, stacks or bins shall be located to avoid and protect materials from heavy and unnecessary traffic. Chipped, cracked or otherwise defective units, whether before or after setting, will be rejected and shall be removed and replaced. 6.14 Store all materials used to protect them from the intrusion of foreign matter. All masonry units shall be clean and free from dirt when laid in the walls. 6.15 Masonry shall not be laid when the mean temperature of the surrounding atmosphere is below 5 degrees C (40 degrees F), unless adequate protection is provided. No foreign materials, frozen materials or materials containing ice shall be used. When the mean temperature exceeds 43 degrees C (110 degrees F), mortar must be kept moist and cannot be strung out on the wall ahead of the units being placed. After the units are in place, a very light fog spray shall be given several times a day, as directed by Contractor, to give the mortar time to cure properly before it dries out. 6.16 Setting and Building In: The Contractor shall build in materials occurring in any type of masonry construction which is furnished by other trades. All built-in work shall be accurately placed, securely held in position and located as directed in all cases. Set and build in anchors and bolts required for the attachment of lumber or structural steel or millwork to masonry. The masons must level for and bed all anchors, ties, clamps, lintels, hangers and sleeves for any and all of the cooperating trades. 6.17 Scaffolding: Design and provide scaffolding required for execution of masonry work. Such scaffolding shall be maintained in a safe condition at all times. Remove when no longer required. Scaffolding shall not be built into walls of building. 6.18 Workmanship: All masonry shall be laid up uniformly one scaffold high at a time, from scaffolding erected on the outside of the wall. When starting work at a new level, the masonry shall be thoroughly wetted. All mortar shall be of plastic consistency and all tile shall be damp when laid. All masonry shall be carried up plump, faces of wall laid to a line and bed joints level. Page 7 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 7 FINISHES 7.1 All exposed masonry work shall be laid in running bond with no headers except where details indicate otherwise. 7.2 All joints shall be concave tooled for interior and exterior exposed walls, unless otherwise noted. 7.3 Daily Cleanup All masonry work that will be exposed at completion of the job shall be thoroughly cleaned with stiff fiber brushes until the wall is free of all dripped or spattered mortar at the completion of each day's work. Extreme care shall be used to prevent any grout or mortar from staining the face of the masonry to be left exposed or painted. Grout or mortar which is visible on the face of such masonry shall be immediately removed. Protect all sills, ledges, offsets and other projections from droppings of mortar. Protect door jambs and corners from damage during construction. 7.4 Final Pointing and Cleaning All permanently exposed masonry walls shall be thoroughly cleaned down on completion of the work. Damaged surfaces shall be repaired or replaced, and mortar joints pointed to leave the work in a condition acceptable to the Owner. Cleaning and pointing shall be started at the top and worked down. 7.5 8 Cleanup of mortar from finished concrete floors is the sole responsibility of the Contractor. Final cleanup in an area shall leave the floor as clean of mortar and stains as it was before the work began. TESTING 8.1 Preconstruction Testing Owner will employ and pay a qualified independent testing laboratory to perform the following preconstruction testing as well as other inspecting and testing services required for source and field quality control: 8.1.1 Concrete Masonry Unit Tests For each different type concrete masonry unit indicated, units will be tested for strength, absorption and moisture content per ASTM C140. 8.2 Four samples of mortar shall be taken at the Owner's discretion during the first day of masonry work. Four more may be taken any one day thereafter that the Owner may designate. Test one of each set of samples at 7 days and another at 28 days. Tests shall be made per ASTM C270. Mortar that does not meet the required strength for Type “M” shall be replaced or repaired to the satisfaction of the Owner and at the expense of the Contractor. Four copies of test results are to be submitted to the Owner. Test shall be made by an approved independent testing and inspection laboratory at the expense of the Owner. Page 8 Spec. No. PAT-DA-296290-03-TS-4101 Rev. 0 8.3 9 10 11 Tests to verify compressive strength of grout may be required by the Owner. Such tests shall be made by an independent testing and inspection laboratory at the expense of the Owner. Such tests shall be carried out in accordance with the applicable provisions of ASTM C39. PAINTING AT “CMU-3” TYPE BLOCK 9.1 Only high quality products specifically recommended for masonry shall be used. All painting work shall be performed by workman skilled in the trade. 9.2 Only Standard Grey (CMU-3) type masonry surfaces shall receive one coat 10 mils DFT of heavy duty block filler (B42 W46) by Sherwin Williams, or approved equal surfaces PP6 Industry Petroleum, or Valspur equivalents. 9.3 Interior surfaces at “CMU-3” type shall receive an additional coat 10 mils DFT of heavy duty block filler. Interior color shall be white. 9.4 Exterior surfaces and exposed steel shall receive a finish coat 3 mils DFT of Hisolids polyurethane (B65 W300 Series/B60 V30) by Sherwin Williams, or approved equal. Exterior color shall be “Café Caridad” (Pantone 452c Y/O 4515c). 9.5 Surface preparation and coating application shall be in accordance with paint Manufacturer's recommendations including surface preparation requirements. 9.6 All colors are to be approved by Owner prior to purchase. SAFETY AND CLEANUP 10.1 Contractor shall be responsible for continuous safety procedures and daily cleanup. Work shall be done in such a way as to not jeopardize other trades or personnel. 10.2 Contractor shall comply with all OSHA/MSHA regulations as well as local safety procedures. Contractor shall be fully acquainted with these prior to performing the work. 10.3 Cleanup shall occur at the end of each day. 10.4 All work shall be left in a clean and safe condition at the completion of the job. ATTACHMENTS 11.1 The following documents are made a part of this Specification: 11.1.1 A sketch titled “Nominal CMU-1 & CMU-2 Block Types”, by M3 Tucson. 11.1.2 A sketch titled “Nominal CMU-3 Block Types”, by M3 Tucson. Project No. 150141.604 Project TOQUEPALA Sheet No. of By JDL Drawing No. ATTACHMENT 1 SUBJECT: NOMINAL CMU-1 & CMU-2 BLOCK TYPES DATE: 20 JUN 2016 NOTE: THIS SKETCH IS AN ATTACHMENT FOR SPEC PAT-DA-296290-03-TS-4101 190 "CMU-1" OR "CMU-2" BLOCK UNIT 200 205 190 200 205 COLORED AGGREGATE MORTAR TO MATCH BLOCK COLOR 390 440005 190 390 440005 ACTUAL DIMENSIONS ACTUAL DIMENSIONS NOMINAL CMU-1 & CMU-2 BLOCK TYPES "CMU-1" BLOCK IS INTEGRAL COLOR SMOOTH BLOCK "CMU-2" BLOCK IS INTEGRAL COLOR SPLIT FACE BLOCK DATE: 6/20/2016 2:25:56 PM PATH: C:\Users\jl393\Desktop\My Models\2016\(16) 150141Typical Details_jl393.rvt Project No. 150141.604 Project TOQUEPALA Sheet No. of By JDL Drawing No. ATTACHMENT 2 DATE: 20 JUN 2016 SUBJECT: NOMINAL CMU-3 BLOCK TYPE NOTE: THIS SKETCH IS AN ATTACHMENT FOR SPEC PAT-DA-296290-03-TS-4101 190 "CMU-3" BLOCK UNIT 200 205 190 200 205 MORTAR TO MATCH BLOCK COLOR 390 440005 190 390 440005 ACTUAL DIMENSIONS ACTUAL DIMENSIONS NOMINAL CMU-3 BLOCK TYPE "CMU-3" BLOCK IS STANDARD GREY BLOCK DATE: 6/20/2016 3:49:13 PM PATH: C:\Users\jl393\Desktop\My Models\2016\(16) 150141Typical Details_jl393.rvt