Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 30523. Division of fire force into two shifts, bodies or platoons;  hours of service

The head of the department having charge of or supervision over the fire department or bureau in each city of the second class A shall divide the officers and members of companies of the uniformed fire force in the employ of such cities, excepting the superintendent, into two shifts, bodies or platoons, one to perform day service and the other to perform night service.  The hours of day service shall not exceed ten, commencing at eight o'clock in the morning;  the hours of night service shall not exceed fourteen, commencing at six o'clock in the afternoon.  The hours of day service shall not exceed fifty hours in any one calendar week and the hours of night service shall not exceed seventy hours in any one calendar week, unless the hours of day and night service shall be equalized, in which case neither the hours of day or night service shall exceed fifty-six in any one calendar week.  In cases of riot, serious conflagration or other such emergency, the superintendent of the bureau of fire or his first assistant or the chief officer in charge at any fire shall have the power to assign all the members of the fire force to continuous duty or to continue any member thereof on duty if necessary.  No member of either of said shifts, bodies or platoons shall be required to perform continuous day service or continuous night service for a longer consecutive period than two weeks nor be kept on duty continuously longer than ten hours in the day shift, body or platoon, or fourteen hours in the night shift, body or platoon, excepting as may be necessary to equalize the hours of duty and service and also excepting in cases of riot, serious conflagration or other such emergency, as above provided.