R 3-23-98

UNDERDRAINS

    The Standard Specifications are revised as follows:

SECTION 718, AFTER LINE 15, INSERT AS FOLLOWS:

Group K Pipe
    Corrugated Polyethylene Drainage Tubing................907.17
    Corrugated Polyethylene Pipe, Type SP...................907.19
    Non-Reinforced Concrete Pipe...............................907.01
    Perforated Polyvinyl Chloride Semicircular Pipe........907.18
    Profile Wall Polyvinyl Chloride Pipe.......................907.22