TRENCH DRAINS

Section 423 is added as follows: 423.0 Trench Drains. 423.1 Trench Drains. Trench drains shall comply with ASME A112.6.3 or ASME A112.3.1 or be constructed of watertight material and watertight joints, and be tested for watertightness by filling with water to the level of the flood rim of the trench drain.