General Order 64

Section XII

Supply Lines Or Signal Lines Crossing Over Railways

(See Appendix D.)

124    Required Grades Of Construction.

Grade “A” construction is required for supply lines crossing over important railways, Grade “B” over unimportant railways.  (See Section V.)

Signal lines crossing over unimportant railways will conform to requirements of Section IX; when crossing important railways Section IX will also apply, with additions noted hereafter in Rule 126.