[Code of Federal Regulations]

[Title 49, Volume 4]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR231.9]



[Page 495-497]

 

                        TITLE 49--TRANSPORTATION

 

       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 

                             TRANSPORTATION

 

PART 231_RAILROAD SAFETY APPLIANCE STANDARDS--Table of Contents

 

Sec. 231.9  Tank cars without end sills.



    (a) Hand brakes--(1) Number. Same as specified for ``Box and other 

house cars'' (see Sec. 231.1(a)(1)).

    (2) Dimensions. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(a)(2)).

    (3) Location. Each hand brake shall be so located that it can be 

safely operated while car is in motion. The brake shaft shall be located 

on end of car to the left of center.

    (4) Manner of application. Same as specified for ``Box and other 

house cars'' (see Sec. 231.1(a)(4)).

    (b) Brake step. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(b)).

    (c) Running boards--(1) Number. One.

    (2) Dimensions. Minimum width on sides, 10 inches. Minimum width on 

ends, 6 inches.

    (3) Location. Continuous around sides and ends of tank.

    (4) Manner of application. (i) If running boards are applied below 

center of tank, outside edge of running boards shall extend not less 

than 7 inches beyond bulge of tank.

    (ii) Running boards at ends of car shall be not less than 6 inches 

from a point vertically above the inside face of knuckle when closed 

with coupler horn against the buffer block, end sill or back stop.

    (iii) Running boards shall be securely fastened to tank or tank 

bands.

    (d) Sill steps--(1) Number. Four. (If tank has high running boards, 

making ladders necessary, sill steps must meet ladder requirements.)



[[Page 496]]



    (2) Dimensions. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(d)(2)).

    (3) Location. (i) One near each end on each side, flush with outside 

edge of running board as near end of car as practicable.

    (ii) Tread not more than 24, preferably not more than 22, inches 

above the top of rail.

    (iii) Carriers are not required to change the location of handholds 

on cars in service July 1, 1911, where the appliances are within 3 

inches of the required location, except that when cars undergo regular 

repairs they must then be made to comply with the standards prescribed.

    (4) Manner of application. (i) Steps exceeding 18 inches in depth 

shall have an additional tread and be laterally braced.

    (ii) Sill steps shall be securely fastened with not less than \1/2\-

inch bolts with nuts outside (when possible) and, riveted over, or with 

\1/2\-inch rivets.

    (e) Side handholds--(1) Number. Four or more.

    (2) Dimensions. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(h)(2)).

    (3) Location. (i) Horizontal, one near each end on each side of car 

over sill step on running board, not more than 2 inches back from 

outside edge of running board, projecting downward or outward.

    (ii) Where such side handholds are more than 18 inches from end of 

car, an additional handhold must be placed near each end on each side 

not more than 30 inches above center line of coupler.

    (iii) Clearance of outer end of handhold shall be not more than 12 

inches from end of car.

    (iv) If safety railings are on tank, four additional vertical 

handholds shall be applied, one over each sill step on tank.

    (v) Carriers are not required to change the location of handholds on 

cars in service July 1, 1911, except end handholds under end sills, 

where the appliances are within 3 inches of the required location, 

except that when cars undergo regular repairs they must then be made to 

comply with the standards prescribed.

    (4) Manner of application. Same as specified for ``Box and other 

house cars'' (see Sec. 231.1(h)(4)).

    (f) End handholds--(1) Number. Four.

    (2) Dimensions. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(i)(2)).

    (3) Location. (i) Horizontal, one near each side on each end of car 

on running board, not more than 2 inches back from edge of running board 

projecting downward or outward, or on end of tank not more than 30 

inches above center line of coupler.

    (ii) Carriers are not required to change the location of handholds 

on cars in service July 1, 1911, except end handholds under end sills, 

where the appliances are within 3 inches of the required location, 

except that when cars undergo regular repairs they must then be made to 

comply with the standards prescribed.

    (4) Manner of application. Same as specified for ``Box and other 

house cars'' (see Sec. 231.1(i)(4)).

    (g) Safety railings--(1) Number. One.

    (2) Dimensions. Minimum diameter, seven-eighths of an inch, wrought 

iron or steel. Minimum clearance, 2\1/2\ inches.

    (3) Location. Safety railings shall be continuous around sides and 

ends of car, not less than 30 nor more than 60 inches above running 

board.

    (4) Manner of application. Safety railings shall be securely 

fastened to tank or tank bands, and secured against end shifting.

    (h) Uncoupling levers--(1) Number. Same as specified for ``Box and 

other house cars'' (see Sec. 231.1(k)(1)).

    (2) Dimensions. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(k)(2)), except that minimum length of uncoupling lever 

shall be 42 inches, measured from center line of end of car to handle of 

lever.

    (3) Location. Same as specified for ``Box and other house cars'' 

(see Sec. 231.1(k)(3)), except that uncoupling lever shall be not more 

than 30 inches above center line of coupler.

    (i) End-ladder clearance. (1) No part of car above buffer block 

within 30 inches from side of car, except brake shaft, brake-shaft 

brackets, brake wheel or uncoupling lever shall extend to within 12 

inches of a vertical plane parallel



[[Page 497]]



with end of car and passing through the inside face of knuckle when 

closed with coupler horn against the buffer block or back stop, and no 

other part of end of car or fixtures on same, above buffer block, other 

than exceptions herein noted, shall extend beyond the face of buffer 

block.

    (2) Carriers are not required to make changes to secure additional 

end-ladder clearance on cars in service July 1, 1911, that have 10 or 

more inches end-ladder clearance, within 30 inches of side of car, until 

car is shopped for work amounting to practically rebuilding body of car, 

at which time they must be made to comply with the standards prescribed.