The State determines that age is a valid, bona fide occupational qualification for the position of firefighter because of the rigorous physical demands of the firefighting profession and the expectation of many years of emergency service. The qualifications of firefighters shall be that they:
A. Shall not be more than thirty four (34) years of age at the time of original appointment; and
B. Shall have passed a physical examination by a practicing physician duly authorized to practice in this State. (2000 Code)