(1) Cabooses and locomotives used in road service must be provided with toilet facilities, toilets to be of retention type, where a locomotive consists of one or more road diesel units, the lead unit shall be equipped with toilet facilities.
(a) All new road diesel units and cabooses intended for road service (not including yard switch engines or cabooses used entirely within yard service) contracted for and purchased subsequent to May 1, 1978, shall be equipped with toilet facilities. Such sanitary facilities shall be kept reasonably clean and in sanitary condition.
(b) All yard diesels shall have the floors cleaned and the windows washed at reasonable intervals.
(c) Cabooses shall be maintained in a clean and sanitary condition, provided that it shall be the duty of the employees to keep any assigned cabooses cleaned and sanitary and the employer shall offer such cleaning supplies as are reasonably necessary to maintain a clean and sanitary condition in such assigned cabooses.
(d) An adequate supply of cool, safe, water, satisfactory for drinking purposes shall be made available for the use of trainmen, enginemen and yardmen. Suitable sanitary containers, equipped with a faucet or other dispenser, shall be maintained on cabooses and locomotives, and single-service paper drinking cups shall be furnished by the company.
(e) Every caboose used in any train in this state, regardless of service, shall be provided with a stove or other adequate means of heating, properly ventilated. A sufficient amount of fuel for the trip or shift shall be made available.
(f) Cabooses contracted for and purchased after May 1, 1978, shall be equipped with washing facilities, for washing face and hands.