A. The standard work period for probationary and permanent employees of the fire department, assigned to twenty-four-hour shifts, shall average one hundred twelve hours over a two-week pay period, to average one hundred twenty-one shifts on an annual basis.

B. Such employees assigned to firefighting shall be on duty for a twenty-four-hour period from 0800 (eight a.m.) to 0800 (eight a.m.) the following day. (Prior code § 3.18.032)