3621.1SCOPE
Provide solid, precast, segmental concrete masonry units to construct catch basins and manholes.
3621.2REQUIREMENTS
Provide concrete masonry units in accordance with 3616.2, “Sewer Brick (Concrete), Requirements,” modified to provide units with dimensions as shown on the Plans and with wall thicknesses of 8 inches ±3/8 inch.
Concrete Masonry Units in other states
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