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' <br /> 1. Revise ACI 530.1/ASCE 6 to exclude Sections 1.4 and 1.7; Parts 2.1.2, 3.1.2, <br /> and 4.1.2; and Articles 1.5.1.2, 1.S.I.3, 2.1.1.1, 2.1.1.2, and 2.3.3.9 and to , <br /> modify Article 2,1.1.4 by deletin� requirement for installing vent pipes and <br /> conduits built into masonry. <br /> 2. Mortar composition and properties will be evaivated per ASTM C 784. <br /> 3. Grout compressive strength wiil he tested per ASTM C 1019. ' <br /> 1.6 DELNERY, STORAGE,,AND HANDLING <br /> A. Deliver masonry materials to project in undamaged condition. ' <br /> B. Store and handie masonry units off the ground, under cover, and in a dry location to <br /> prevent their deterioration or damage due to moisture, temperattire changes, � <br /> contaminants, corrosion, and other causes. If units become wet, do not place unti!units <br /> are in an air-dried condition. <br /> C. Stora cementitious materials off the ground,under cover,and in dry locaxion. ' <br /> D, Store aggegates where grading and athar required characteristics can be maintained and <br /> contamination avoided. ' <br /> E. Store masonry accessories including metal items to prevent corrosion and accumuiation <br /> of dirt and oil. � <br /> 1.7 PROJECT CONDITIONS <br /> A. Protection of Masonry: During erection, cover tops of walls, projections, and silIs with � <br /> waterproof sheeting at end of each day's work. Cover partially completed masonry when <br /> construction is not in progress. <br /> B. Do not apply uniform floor or roof loads for at least 12 houzs and concentrated ioads for , <br /> at least 3 days after building masonry wails or columns. <br /> C. Stain Prevention: Prevent grout,mortar,and soil from staining the face af masonry to be � <br /> left exposed or painted. Remove immediately any grout, mortar, and soil that come in <br /> contact with such masonry. <br /> 1. Protect base of walls from rain-splashed raud and mortar splatter by means of � <br /> coverings spread on ground and over wall surface. <br /> D. Hot-Weather Construction: Comply with referenced unit masonry standard. ' <br /> PART1 -PRODUCTS <br /> 2.1 CONCRETE MASONRY UNITS ' <br /> A. General: Comply with requirements indicated below applicable to each form of concrete <br /> masonry unit required. � <br /> 1. Provide special shapes where indicated and as follows: <br /> a. �or lintels,comers,jambs,sash,control joints,headers,bonding,and � <br /> other special conditions. <br /> b. Squar�edge.ci units for outside comers,except where indicated as <br /> bullnose. <br /> 2. Size: Provide concrete masonry units complying with requirements indicated � <br /> below for size tha# are manufactured to specified face dimensions within <br /> tolerances specified in the applicable referenced ASTM specification for ' <br /> concrete masotuy units. <br /> TJNIT MASONRY Pagc 2 of 6 <br /> ' <br />