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where possible by using edge of trowel to slice thru concrete along joints. <br /> Provide expansion joints w/ 3/8" joint filler & sealant, color to match, <br /> between horizontal slab & vertical wall intersections & as required in slab <br /> areas & locate all joints as shown. <br /> 6. Colored concrete available thru Cemstone Products Co., Dave Pace, 688- <br /> 9292. <br /> Section 0410 - Mortar <br /> 1.1 co e - Work includes mortar for stone & unit masonry. Verify matching <br /> mortar color w/ existing conditions. Work to be performed in accordance w/ <br /> ASTM specifications. <br /> 2.1 Products <br /> 1. Portland Cement - ASTM C150, Type I. <br /> 2. Hydrated Lime - ASTM C207, Type S. <br /> 3. Aggregate (sand) - ASTM C144. <br /> 4. Water - Clean, potable & free of deleterious amounts of acids, alkalies or <br /> organic materials. <br /> 5. Mortar Color - verify color, provide sample. <br /> 6. Mortar mix in accordance w/ ASTM C270 & mortar proportions by <br /> volume as follows: <br /> Mortar Portland Masonry Aggregate Hydrated <br /> Ty�e Cement Cement (sand) Lime <br /> M 1 --- 21/2 to 3 times 1/4 <br /> S 1 --- the sum of Over 1/4- 1/2 <br /> S 1/2 1 cements & lime — <br /> Type M mortar for masonry work in contact w/ the ground & Type N or S <br /> above ground except type S mortar for bearing walls. Type M mortar for <br /> load bearing conditions - ASTM C476 - f'm = 2,500 psi. <br /> 3.1 Execution <br /> 1. Select the proper mortar for given conditions in accordance w/ ASTM <br /> standards. <br /> 2. See Section 0420, for cold weather protection. <br /> 3. Perform work in accordance w/ highest industry standards & practices. <br /> Section 0420 - Unit MasonrX <br /> 1.1 Scope - Work includes all unit masonry shown on drawings, Refer to Section <br /> 0195 for masonry fireplace. <br /> 19 <br />