The Board of
Railway Commissioners for Canada.

Order no. G.O. 530

Friday, the 14th of
December, A.D. 1934

In the matter of the General Order of the Board No. 441, dated May 4, 1927, prescribing regulations governing the location of loading racks and unloading points for gasolene, naphtha, or any inflammable liquid with flash point below 30° F.


S. J. McLean
Asst. Chief Commissioner

F. N. Garceau
Deputy Chief Commissioner

T. C. Norris

J. A. Stoneman

G. A. Stone

Upon hearing the submissions on behalf of the Imperial Oil Limited, the Sun Oil Company, Limited, Shell Oil Company of Canada, Limited, McColl-Frontenac Oil Co. Limited, The British American Oil Company, Limited, Bureau of Explosives, Port Royal Pulp & Paper Co. Limited, Michigan Central Railroad Company, Canadian National Railways, Canadian Pacific Railway Company, and the Railway Association of Canada at a conference, held March 27, 1934, with the Officers of the Operating Department of the Board, and reading the further written submissions filed on behalf of the said parties, and the report and recommendation of the Chief Operating Officer of the Board,—

It is ordered: That the said General Order No. 441, dated May 4, 1927, be, and it is hereby, amended by adding after clause 6(b), Part II, under the heading Pipe Lines, the following, namely:—

(c) All pipe lines (whether existing or to be laid) on railway property, used for transferring gasolene or other inflammable liquid, with a flash point below 30°ree; F., from or to ships, refineries, and storage tanks, tank trucks, tank steamers, motor boats or other vehicles, shall be subject to the following regulations:—

(d) Pipe lines shall be laid at a depth of at least three feet where the same are located within 100 feet of buildings, within the limits of cities, towns, or villages.

Pipe lines parallel to a track, other than the spur or siding serving the oil company's plant, must not be laid closer than ten feet from the nearest rail and at a depth of at least three feet if within 20 feet of the nearest rail.

Pipe lines laid above the ground on the railway company's right of way shall be placed on supports or racks, provided that where the elevation is above the general level of the track, a dyke or drain shall be constructed to prevent the flow of liquids to the track in the event of a failure.

(e) Pipe lines crossing a road or driveway carrying heavy trucking or teaming shall be laid in conduit, the top of which shall be at least two feet below the road or driveway.

Pipe lines crossing any railway track shall be laid in conduit, the top of which shall be at least four feet below the bottom of the tie. The conduit shall be carried a distance of at least 20 feet from the track on either side.

(f) All pipe lines under pressure of pump must be patrolled by an employee of the oil company for purposes of detecting leaks or other failures. After pumping is finished, pipe lines shall be drained and any sumps or pockets pumped out, unless the oil company maintain the same full at all times.

(g) All pipe lines laid above ground, and all pipes in conduit, shall be inspected by the oil company in charge at frequent intervals and railway companies advised when this is to be and has been done. Providing that where installations already made cannot be examined throughout a special report shall be made by the owning or operating company to the Board, with a request for exemption until the renewal of the pipes or conduit becomes necessary. A copy of the request for exemption to be submitted to the railway company concerned.

(h) Where pipe lines are laid above the ground, grass and weed growth, and other inflammable vegetation, must be removed and some means provided to establish a fireguard at least 6 feet, either side; and pipes shall be well grounded electrically and painted in accordance with the oil company's standards.

(i) A surface indication shall be provided where practicable to show where pipe lines are laid below the surface and 'danger' signals placed where necessary, particularly in railway yards and station grounds.

(j) All pipe lines directly connected with storage tanks shall be equipped with a check-valve, or similarly effective arrangement, to control the escape of liquid from tanks in the event of a rupture in the pipe line.

(k) Where conditions do not permit of these requirements being established, the owning or operating company shall report to the Board and forward necessary plan and application for approval and a copy to the railway company.

S. J. McLean
Asst. Chief Commissioner,
The Board of Railway Commissioners for Canada.