California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 4 - General Mobile Equipment and Auxiliaries
Article 29 - Industrial Railroads
Section 3731 - Definitions

(a) Industrial Railroad. A railway track, or system of tracks, with necessary appurtenances thereto, owned or controlled by an industrial concern not a common carrier as defined in Section 1 (l) of the Public Utilities Act over which operations are conducted solely by one or more of such industrial concerns. No orders in Article 29 apply to any track, or system of tracks, or to the necessary appurtenances thereto, which, though owned or controlled by such industrial concern, are under the jurisdiction of the Public Utilities Commission by reason of operation thereover by a common carrier.

NOTE: Public Utilities Commission General Order Number 26-D, effective December 3, 1981.

(b) Industrial Locomotive. An engine, motor or machine operated on railway tracks by an industrial concern which is not a common carrier. It may be propelled by any form of energy and used for yard service or to move trains or cars.

(c) Height of a Freight Car. The distance between the top of rail and the top of running board.

(d) Side of a Freight Car. That part or appurtenance of a car at the maximum distance measured at right angles from the center line of the car.

(e) Width of a Freight Car. Twice the distance from the center line to the side of a car as defined herein.

(f) Overhead Clearance. The vertical distance from the level of the top of the highest rail to a structure or obstruction above.

(g) Side Clearance. The shortest distance from the center line of track to a structure or obstruction at the side of track.