The Council may establish all necessary regulations to guard against the occurrence of fires and protect the property and lives of its citizens against damage and accidents resulting therefrom, and for that purpose may establish and maintain a Fire Department, provide for the establishment and organization of fire engine and hose companies and rescue units, establish the hours of labor of the members of its Fire Department who shall not be required to be on duty continuously more than six days in every seven, and provide bylaws and regulation for the government of companies and their members as is necessary and proper.
(R.C. § 737.21)