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