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3.2 PREPARATION <br />A. Protect surrounding elements from damage due to restoration procedures. <br />B. Carefully remove and store removable items located in areas to be restored, including fixtures, <br />fittings, finish hardware, and accessories; reinstall upon completion. <br />C. Separate areas to be protected from restoration areas using means adequate to prevent damage. <br />D. Cover existing landscaping with tarpaulins or similar covers. <br />E. Mask immediately adjacent surfaces with material that will withstand cleaning and restoration <br />procedures. <br />F. Protect roof membrane and fiashings from damage with 112 inch plywood laid on roof surfaces <br />over full extent of work area and traffic route. <br />G. When using cleaning methods that involve water or other liquids, install drainage devices to <br />prevent runoff over adjacent surfaces unless those surfaces are imperious to damage from <br />runoff. <br />H. Do not allow cleaning runoff to drain into sanitary or storm sewers. <br />3.3 REPOINTING <br />A. Perform repointing prior to cleaning masonry surfaces. <br />B. Cut out loose or disintegrated mortar in joints to minimum 112 inch to % inch depth or until <br />sound mortar is reached. <br />C. Use power tools only after test cuts determine no damage to masonry units will result. <br />D. Do not damage masonry units. <br />E. When cutting is complete, remove dust and loose material by brushing. <br />F. Premoisten joint and apply mortar. Pack tightly in maximum 114 inch layers. Form a smooth, <br />compact concave joint to match existing. <br />G. Moist cure for 72 hours. <br />H. Re -pointed head joints of stone band with a soft caulked joint to match color of stone with sand <br />finish broadcast while sealant has not set and is still wet (do not use standard lime putty mortar <br />joint). Level of brick masonry damage requiring brick replacement include: spalled brick <br />(beyond'/" depth and 1 " x 1" square, cracked brick (crack running completely through the <br />unit). <br />3.4 REBUILD MASONRY PARAPET <br />A. Carefully fold back and temporarily secure EPDM roof membrane at work area. Protect <br />membrane and roof deck from damage during masonry work with plywood. Do not puncture <br />EPDM membrane. Use separate tarp or other means for rain/night protection. <br />B. Support roof structure as necessary in advance of removing parapet masonry. <br />C. Remove limestone coping cap and inspect condition of masonry wall below coping cap. Remove <br />decorative limestone urn and connection bar where occurs. Carefully remove face masonry <br />