The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.

"Bunk or section house" means the portion of any building in which employees are provided sleeping or living accommodations, except family dwellings.

"Caboose" means any car or coach used on a train to carry the train crew.

"Commission" means the Washington utilities and transportation commission.

"Company" means a common carrier railroad company as employer.

"Employee" means any person employed by a company.

"Incinerator toilet" means a toilet containing a receptacle for toilet waste to which intense heat is applied.

"Number of employees" means the maximum number of employees going on or coming off shift within any single hour.

"Office work area" means a yard office, station, depot, terminal, or freight, baggage and express office located on railroad property which is the usual place of employment for the performance of clerical or other work identified with office functions of the company.

"Railroads" means common carrier railroads.

"Sanitary" means free from things injurious to health, or effective in preventing or checking the effects of those things.

"Station" means a location where freight or passengers are ordinarily received and delivered, including all freight and express offices.

"Terminal" means a location where train crews and other employees are regularly required to report for duty.

"Toilets" means fixtures such as flush toilets, chemical closets, or privies used for the purpose of defecation.

"Usual place of employment" means the place where an employee works with a reasonable measure of continuity throughout the major part of the employee's company service.

"Yards" means yards, section headquarters, and locomotive and car shops.