General Order 64-A
Section III
General Provisions
31.4 Cooperation to Avoid Conflicts.
Any party contemplating construction or reconstruction which would create a conflict with lines of another classification shall notify the party or parties owning or operating the other lines, in advance of such construction, giving full information as to the location and character of the proposed construction, and the parties concerned shall cooperate with a view of avoiding or, if this is impracticable, of minimizing the hazard.