Cal. Code Regs. tit. 23, § 612.67 – Utility Crossing Under the State Water Project's Roads.

(a) The applicant's plan shall clearly show the Department with cross sections delineating existing ground surface elevations, utility trench invert elevations, and utility details.
(b) Conduits with diameters up to five (5) inches shall be jacked or bored underneath pavements. Larger conduits may be considered if the applicant demonstrates that the Department road surface will not be affected by the larger bore.
(c) Conduit(s) shall be a minimum of three (3) feet below the road surface.

Note: Authority cited: Section 12899.9, Water Code. Reference: Sections 12899.1(c), 12899.2(b) and 12899.2(c), Water Code.

1. New section filed 4-22-2015; operative 7-1-2015 (Register 2015, No. 17).