SECTION 706 - MASONRY UNITS
706.01 Brick.
706.01.1 General. Brick shall have a fine-grained, uniform, and dense structure, and be
free of lumps of lime, laminations, cracks, checks, soluble salts, or other defects that may in any way impair the strength, durability, a ppearance or usefulness of the brick for the purpose intended. Bricks shall emit a clear, metallic ring when struck with a hammer.
706.01.2 Building Brick. Unless otherwise stipulated, building brick shall conform to
ASTM C 62, Grade SW.
706.01.3 Sewer and Manhole Brick . Unless otherwise stipulated, brick for sewer and
manholes shall conform to ASTM C 32, Grade SM.
706.02 Concrete Brick. Concrete brick shall conform to ASTM C 55, Grade N, Type I.
706.03 Concrete Masonry Blocks . Concrete masonry blocks may be rectangular or
segmented and, when specified, shall have ends shaped to provide interlock at vertical joints. The blocks shall conform to the requirements of ASTM C 139; or, for hollow blocks, to ASTM C 90, Grade N, Type I. Dimensions and tolerances shall be as specified.
706.04 Right-of-Way Markers.
706.04.1 General. Concrete right-of-way markers shall be constructed in conformity
with the details shown on the plans and shall meet the requirements hereinafter set forth.
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