Specification M 178M/M 178-20 Standard specification for concrete drain tile
Publication Year
2020
Document Status
Withdrawn
Abstract
Specifies concrete drain tile with internal diameters from 100 mm (4 in.) to 900 mm (36 in.) that is intended to be used for surface and subsurface drainage.
Document History
Superseded by AASHTO M 178M/M 178-23.
Publisher Information
American Association of State Highway and Transportation Officials
AASHTO is a non-profit association representing air, road, public, rail and water transportation departments in the 50 US states, the District of Columbia, and Puerto Rico to foster the development, operation, and maintenance of an integrated national transportation system.
444 North Capitol N W
Suite 249
Washington, DC
AASHTO
USA
Website: www.transportation.org
Email: info@aashto.org
Tel: +1 202 624-5800
