1. (a) Mail cranes, turn tables, cattle guards, icing racks and coal chutes. Mail cranes, turn tables, cattle guards, icing racks, and coal chutes are exempt from provisions of the Texas Clearance Law, Texas Civil Statutes, Article 6559(a)-(f).
2. (b) Water cranes and oil cranes. Present standards for water cranes and oil cranes may be maintained, provided there is a minimum clearance of seven feet from the center line of the track.

3. (c) Through truss and girder bridges.

   1. (1) The minimum horizontal clearance in bridges shall be seven feet six inches from the center line of the track, over a distance between a point four feet above the top of the rail and a point 17 feet above the top of the rail.
   2. (2) Upper diagonal bracing in bridges shall not encroach within a line extending from a point seven feet six inches from the center line of the track at a height of 17 feet above the top of the rail to a point three feet from the center line of the track, at a height of 22 feet above the top of the rail.
   3. (3) Lower diagonal bracing in bridges and walkway railings on bridges shall not encroach within a line extending from a point seven feet six inches outside of the center line of the track at a height of four feet above the top of the rail to a point five feet nine inches outside of the center line of the track at the top of the rail elevation.

4. (d) Switch stands interlocking plants.

   1. (1) A switch stand or dwarf signal shall have a minimum horizontal clearance of five feet six inches from the center of the track, for the area two feet six inches or less above the top of the rail.
   2. (2) Interlocking apparatus not exceeding six inches above the top of the rail shall have a minimum horizontal clearance of four feet from the center of the track.
5. (e) Passenger train sheds and platform. Passenger train sheds where only passenger equipment is handled are exempt from the requirements of this section. The minimum horizontal clearance between the center line of the track and the passenger station platform, one foot or less in height above the top of the rail, shall be four feet six inches.
6. (f) Round house and shop building doors. The provisions of the Texas Clearance Law, Texas Civil Statutes, Article 6559(a)-(f), shall not apply to engine houses or buildings into which locomotives or cars are moved for terminal inspection, attention, or repairs.
7. (g) Stock yards and loading chutes. Minimum horizontal clearance for stock yards and loading chutes shall be six feet six inches, except where such structures are constructed on main line tracks.
8. (h) Variance. A railroad may apply for a variance from the requirements of one or both, the Texas Clearance Law, Texas Civil Statutes, Art. 6559(a)-(f), or this section, on a form to be prescribed by the department. The department shall process the application in accordance with §7.42 of this subchapter (relating to Administrative Review). The department may approve an application, provided there remains adequate protection for the safety of people and equipment. The department may require appropriate measures such as posting warning signs and giving notice to railroads that use the facility.

Source Note:The provisions of this §7.36 adopted to be effective January 5, 2006, 30 TexReg 8993.