A city is authorized to appoint a fire chief; to employ other firemen; to establish, organize, equip, and maintain a fire department; and to prescribe the duties of the fire department. (1917, c. 136, subch. 8, s. 1; C.S., s. 2801; 1969, c. 1065, s. 3; 1971, c. 698, s. 1.)