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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 620.) STONE MASONRYDescription620.01 This work consists of constructing or rehabilitating stone masonrystructures and the stone masonry portions of composite structures.Masonry class is designated according to Subsection 705.03 and as follows:(a) Dimensioned masonry. Stones are cut in two or more dimensions andlaid in a broken-course pattern in cement mortar.(b) Class A masonry. Stones are shaped, dressed to within 0.25 inches oftrue line, and laid in cement mortar.(c) Class B masonry. Stones are shaped, dressed to within 0.75 inches oftrue line, and laid in cement mortar.(d) Cement rubble masonry. Stones vary in size and shape, are roughlydressed, and laid in random courses in cement mortar.Finish for exposed faces is designated according to Subsection 705.03(f).Material620.02 Conform to the following Section and Subsections:Concrete 601Mortar 712.05Rock for masonry structures 705.03Construction Requirements620.03 General. Furnish stone that matches the native stone on the project.Submit stone samples representing the range of colors and sizes to be used onthe project to the CO 14 days before beginning work.Keep an adequate inventory of the stone on the site to provide an ample varietyof stones for the masons. When additional stone is added, mix the new stonewith the existing stone in a uniform pattern and color.5<strong>96</strong>

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