All installation of pipe for surface drainage purposes on the State Highway System right of way shall be a minimum diameter of 12".
19A N.C. Admin. Code 02D .0102
Eff. July 1, 1978;
Amended Eff. January 1, 1984; April 3, 1981;
Readopted Eff. February 1, 2019.
Eff. July 1, 1978;
Amended Eff. January 1, 1984; April 3, 1981.