(a) Vacating buildings. When, in the opinion of the director there is actual and immediate danger of failure or collapse of a building or structure or any part thereof which would endanger life or when any structure or part of a structure has fallen and life is endangered by the occupation of the building, the director is hereby authorized and empowered to order and require occupants to vacate the same forthwith. He shall cause to be posted at each entrance to such building a notice reading as follows:
"THIS BUILDING IS UNSAFE AND ITS USE
OR OCCUPANCY HAS BEEN PROHIBITED
BY MONTGOMERY COUNTY"
OR OCCUPANCY HAS BEEN PROHIBITED
BY MONTGOMERY COUNTY"
and it shall be unlawful for any person to enter such building or structure except for the purpose of making the required repairs or of demolishing the same.
(b) Temporary safeguards. When, in the opinion of the director there is actual and immediate danger of collapse or failure of a building or structure or any part thereof which would endanger life, he shall cause the necessary work to be done to render such building or structure or part thereof temporarily safe, whether or not the legal procedure herein described has been instituted.
(c) Closing streets. When necessary for the public safety, the director may temporarily close sidewalks, streets, buildings and structures and places adjacent to such unsafe buildings and prohibit the same from being used.
(d) Emergency repairs. For the purposes of this section the director shall employ the necessary labor and materials to perform the required work as expeditiously as possible.
(e) Costs of emergency repairs. Costs incurred in the performance of emergency work shall be charged to the owner of the property in the manner of taxes and such cost shall constitute a lien on the property. (1975 L.M.C., ch. 1, § 2.)