
LARGE DIAMETER PIPE
Southeast Culvert provides pipes of diameter 54″ to 144″ in a 5″ x 1″ or 3″ x 1 ” corrugation profile so that the pipe maintains structural integrity. These pipes are usually manufactured in 14 gage or heavier to ensure durability of the c.m.p. Heavier gages allow the pipe to maintain deeper heights of cover. Gage and corrugation should be determined from height of cover charts published by ASTM, AASHTO, or local DOT’s. All of Southeast Culvert‘s corrugated steel pipe meets or exceeds the steel pipe specifications AASHTO M36 and ASTM A760.
ASTM A760/A760M
Standard Specification for Corrugated Steel Pipe, Metallic-Coated for Sewers and Drains
AASHTO M36
Standard Specification for Corrugated Steel Pipe, Metallic-Coated, for Sewers and Drains (ASTM Designation: A760/A760M-01a)
AASHTO M274
Standard Specification for Steel Sheet, Aluminum-Coated (Type 2), for Corrugated Steel Pipe
AASHTO M218
Standard Specification for Steel Sheet, Zinc-Coated (Galvanized), for Corrugated Steel Pipe
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