Canadian Energy Regulator Onshore Pipeline Regulations

10 (1) When an HVP pipeline is to be situated in a Class 1 location and within 500 m of the right-of-way of a railway or paved road, a company shall develop a documented risk assessment to determine the need for heavier wall design, taking into account such factors as pipeline diameter and operating pressure, HVP fluid characteristics, topography and traffic type and density of the traffic on the railway or paved road.

(2) A company shall submit a documented risk assessment to the Regulator when required to do so.