It shall be the duty of the fire chief to adopt all prudent measures for the prevention
of fires and for this purpose he or his authorized representative under his direction
may, upon request or whenever he has reason to believe that the safety of life and
property demands it, and as often as he may deem necessary, enter any building, yard
or premises in the city during reasonable hours for the purpose of inspection, and
where dangerous, unsafe or hazardous conditions are found to exist he shall give such
directions for the alteration, change or removal or better care or management of the
same as he may deem proper, and such directions shall be obeyed and complied with
by the person directed in that regard and at their expense.