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f <br />a <br />,DIVISION 4, MASONRY <br />SECT;ON 04200 - UNIT MASONRY <br />r <br />PART I - GENERAL <br />RELATED DOCUMENTS : <br />Drawings and general provisions of Contract, including <br />General and Supplementary Conditions and Division -1 <br />Specification sections, apply to work of this section. <br />DESCRIPTION OF WORK: <br />Extent of each type of masonry work is indicated on drawings <br />and schedule. <br />QUALITY ASSURANCE: <br />Construction Tolerances: <br />Variation frnm Pj.UMj2:_ For vertical lines and surfaces <br />of columna, do not exceed 1/411. <br />Variation in Cross -Sectional Dimensions: For columns <br />and thickness of walls, from dimensions shown, do not <br />exceed minus 1/4" nor plus 1/211.. <br />401-100 lYi Alpff <br />Product Data: submit manufacturer's specifications and other <br />data for each type of masonry unit, accessory, and other <br />manufactured products, including certifications that each <br />type complies with specified requirements. include <br />instructions for handling, storage, installations and <br />protection. <br />JOB CONDITIONS: <br />Protection of Work: During erection, cover top of walls with <br />heavy waterproof sheeting at end of each day's work. Cover <br />partially completed structures when work is not in progress. <br />ExtaTtd C:U 4i u fflillill Ltm of 24 incises down both sides and holii <br />cover securely in place. <br />Staining: Prevent grout or mortar from staininV the face of <br />masonry to be left exposed or painted. Remove immediately <br />grout or mortar in contact with such masonry. <br />Protpr-t sill; ledges and projections from droppings of <br />mortar. <br />04200-1 <br />