The Coal and Other Mines (Locomotives) Order 1956

Minimum clearances

7.—(1) Subject to the provisions of regulation eight the manager of every mine in which any locomotive runs shall ensure that no locomotive runs in any length of road therein which is not throughout of such height and width as to comply with the following provisions of this regulation taking into account any swing of the locomotive.

(2) The height of any such length of road shall be such that—

(a) in the case of a locomotive with a covered cab, there is as regards any part of the locomotive a vertical clearance not less than one foot; or

(b) in the case of a locomotive without a covered cab running in a mine of stratified ironstone or shale in a length of road in which any locomotive ran, or for the running in which any locomotive was required to be delivered under a contract made, before the first day of May, nineteen hundred and forty-nine, there is as regards any part of the locomotive a vertical clearance not less than one foot; or

(c) in the case of any other locomotive, the driver can stand upright on any part of the floor of the cab.

(3) The width of any such length of road shall be such that as regards any part of a locomotive there is a horizontal clearance not less than two feet:

Provided that, at a side on which refuge holes are not provided of a length of road in which there are not more than two tracks of rails, a horizontal clearance exceeding one foot shall not be required.