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B. Masonry (Brick, Stone, Terra Cotta, Concrete, Stucco and Mortar) <br />1. All masonry, brick, stone, Terra Cotta, Concrete Stucco and Mortar <br />Structures Shall be retained. <br />2. Original or later contributing masonry materials, features, details, surfaces <br />and ornamentation Shall be retained and, if necessary, repaired by <br />patching, piecing -in, or consolidating the masonry using recognized <br />preservation methods. <br />3. Deteriorated or missing masonry materials, features, details, surfaces and <br />ornamentation Shall be replaced with material and elements which <br />match the original in material, color, texture, size, shape, profile and detail <br />of installation. <br />4. When replacement of materials or elements is necessary, it Should be <br />based on physical or documentary evidence. <br />5. If using the same material is not technically or economically feasible, <br />then compatible substitute materials may be considered. <br />6. Original mortar Shall be retained. <br />7. Deteriorated mortar Shall be carefully removed by hand -raking the joints. <br />8. Use of mechanical saws and hammers Shall not be allowed. <br />9. Re -pointing mortar Shall duplicate the original mortar in strength. <br />composition, color, texture, joint size, joint profile and method of <br />application. <br />10. Sample panels of raking the joints and re -pointing Shall be reviewed <br />and approved by the staff of the Historic Preservation Commission of <br />South Bend and St. Joseph County. <br />11. Cleaning of masonry is discouraged and Should be performed only <br />when necessary to halt deterioration. <br />12. If the building is to be cleaned, the mildest method possible Shall <br />be used. <br />13 <br />