Section 217.66 - Identification of Force Main Pipes(a) A detectable underground warning tape must be laid in the same trench as a force main pipe. The detectable underground warning tape must be located above and parallel to the force main.(b) The detectable underground warning tape must bear the label "PRESSURIZED WASTEWATER" continuously repeated in at least 1.5 inch tall letters.30 Tex. Admin. Code § 217.66
The provisions of this §217.66 adopted to be effective August 28, 2008, 33 TexReg 6843; Amended by Texas Register, Volume 40, Number 47, November 20, 2015, TexReg 8307, eff. 12/4/2015