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� <br /> �QS REPAIR. POINTING AND CLEANING: , <br /> Remove and re�lace masonry units which are loose, chipped, broken, stained or otherwise <br /> damaged, or if units do not match adjoining units as intended. Provide new units to match ' <br /> adjouung units and install in fresh mortaz or grout,pointed to eliminate evidence of replac�ment. <br /> Pointing: During the tooling of joints,enlazge any voids or holes,except weep holes, and , <br /> � completely fill with mortaz. Pomt-up all joints at corners,openings and adjacent work to provide a <br /> neat,uniform appearance,prepared for application of sealant. <br /> �'inal Cleaning: After mortaz is thoroughly set and cured,clean masonry as follows: , <br /> Remove lazge mortaz�articles by hand with wooden paddles and non-metallic scrape hoes or <br /> chisels. � ' <br /> Test cleaning methods on sample wall panel;leave 1/2 panel uncleaned for for comparison <br /> purposes. Obtain Architect's approval of sample cleaning before proceeding with cleaning of , <br /> masonry. - <br /> Protect 'acent s�one and non-masonry surfaces from contact with cleaner by covering them <br /> with liquid strippable masking agent,polyethylene film or waterproof masking tape. , <br /> C:lean concrete unit masonrv to comply with masonry manufactvrer's directions and <br /> applicable NCMA"Tck" bulletins. ' <br /> Clean stone units to cornnlv with recommendations of the Babcock Company. <br /> P�otection: Provide final protection and maintai�conditions in a manner acceptable to installer, ' <br /> which ensures unit masonry work being withQut damage and deterioration at time of substantial <br /> completion. <br /> , <br /> ' <br /> ' , <br /> ' <br /> ' <br /> ' <br /> . , <br /> ' <br /> SECTION 04200-i,TNIT MASONRY <br /> Page 6 of 6 ' <br />