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I <br /> DIVISION 4: MASONRY <br /> I. Mortar materials are: Portland Cement ASTM150-85a, Type I, Hydrated Lime <br /> ASTM C207-79, Type S, Sand ASTM C 144-84. <br /> 2. Water shall be clean and free of deleterious amounts of contaminants. <br /> 3. Concrete Block and Stone shall conform to all ASTM updated standards for each <br /> item. Install galvanized wall ties, weep holes and flashing per code. <br /> 4. Use type N mortar for all work. Match e�sting mortar. <br /> S. Lay Masonry plumb, and level. Do not expose broken units. <br /> 6. All Cultured Stone sha11 be installed per manufactures specifications. <br /> 7. Stone shall be: To be determined <br /> 8. Cultured Stone: To be determined. <br /> 9. Build in lintels and reinforcing as required. <br /> 10. Prevent staining of masonry work <br /> 11. Clean mortar from exposed faces of stone and CMU. <br /> 12. Tool exposed joints in a concave manner. <br /> 13. Clean Surfaces of efflorescence and laitance. <br /> � <br />