FHWA FP-24
Section 620 — Stone Masonry
FP-24 · Division 600 — Incidental Construction. Full current text with cross-references on BuildSpec.
Section 620. — STONE MASONRY Description 620.01 This work consists of constructing or rehabilitating stone masonry structures and the stone masonry portions of composite structures. 620.02 Definitions. (a) Dimensioned masonry. Stones are cut in two or more dimensions and laid in a broken-course pattern in mortar. (b) Class A masonry. Stones are shaped, dressed to within ¼ inch of true line, and laid in mortar. (c) Class B masonry. Stones are shaped, dressed to within ¾ inch of true line, and laid in mortar. (d) Rubble masonry. Stones vary in size and shape, are roughly dressed, and laid in…
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