Manholes. 1. Precast reinforced manholes shall be manufactured in accordance with ASTM C478 and shall have a minimum wall thickness of 5 inches (127 mm). All concrete shall have a minimum compressive strength of 4,000 psi when tested in accordance with ASTM C478.
Appears in 4 contracts
Samples: Advertised Contract, Contract Agreement, Advertised Contract
Manholes. 1. Precast reinforced manholes shall be manufactured in accordance with ASTM C478 and shall have a minimum wall thickness of 5 inches (127 mm). All concrete shall have a minimum compressive strength of 4,000 4,000-psi when tested in accordance with ASTM C478.
Appears in 1 contract
Samples: Advertised Contract
