1031.1 Scope. This specification covers clay drain tile.
1031.2 Clay Drain Tile. Clay drain tile shall be in accordance with AASHTO M 179, except paragraphs 6.3, 6.5
and 7.4 will not apply. Unless otherwise specified in the contract, only Type II, Extra-Quality or Type III, Heavy-Duty Drain Tile, shall be furnished.
Get an email when 1031 changes
Missouri revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Missouri Standard Specifications for Highway Construction, 2026 (Oct) Edition. Pages 622–622 of 874. View official source ↗