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� <br /> Mortaz Portland Hydrated Mortaz t <br /> _Ty� �� � �� <br /> M 1 1/4 2500 psi ' <br /> S 1 1/4 - 1/2 1800 psi <br /> Use of mortaz types shall be as follows: , <br /> Type M: All beazing walls or masonry in contact with the earth. <br /> Type S: Stone trim <br /> Color of Mortaz: Use cement and aggregate to produce a mortaz with a light grey color when � <br /> dry. Submit sample to Architect for approval prior to beg'uining masonry work. <br /> PART 3 -EXECUTION , <br /> 3.01 INSTALLATION.GENERAL: <br /> • Wet brick made from cla or shale which have ASTM C 67 initial rates of , <br /> = Y Y <br /> absorption (suction) of more than 30 grams per 30 sq. in.per minute. Use wetting methods which <br /> ensure each clay masonry unit being neazly saturatcd but surface dry when laid. , <br /> P�not wet concrete rnasonry units. <br /> Cleaning Reinforcina: Before placing,remove loose rust,ice and other coatings from reinforcing. , <br /> Thicl�ess: Build caviry and composite walls,floors and other masonry construction to the full , <br /> thiclrness shown. Build single-wythe walls (if any)to the actual thiclrness of the masonry units, <br /> using units of nominal thickness indicated. <br /> C�t masonrv units with motor-driven saw designed to cut masonry with clean sharp,unchipped � <br /> edges. Cut units as required to provide pattern shown and to fit adjoining wodc neatly. Use full <br /> units without cutting wherever possible. <br /> Use dry cutting saws to cut concrete masonry units. , <br /> 3.02 CONSTRUCTTON TOLERANCES: <br /> Variation from Plumb: For vertical lines and surfaces of columns,walls and arrises do not exceed � <br /> 1/4" in 10',or 3/8" in a story height not to exceed 20',nor 1/2" in 40' or more. For eatemal <br /> corners,expansion joints, control joints and other conspicuous lines,do not exceed 1/4" in any , <br /> story or 20' maximum,nor 1%2" in 40' or more. For vertical alignment of h�ad joints do not <br /> exceed plus or minus 1/4" in IO', 1/2" maximum. <br /> Vaziation from Level: For bed joints and lines of exposed lintels,sills,parapets,horizontal , <br /> grooves and other conspicuous lines,do not exceed 1/4" in any bay or 20' maximum,nor 1/"l" in <br /> 40' or more. For top surface of bearing walls do not exceed 1B" between adjacent floor elernents <br /> in 10' or 1/16" within width of a single unit. ' <br /> Variation of Linear Building Line: For position shown in plan and related portion of columns, <br /> walls and partitions, do not exceed 1/2" in any bay or 20' ma�cimum,nor 3/4" in 40' or more. ' <br /> SECTTON 04200-IJNIT MASONRY <br /> Page 4 of 6 ' <br /> � <br />