In cases of emergency which, in the opinion of the Building Inspector/Village Engineer, involve imminent danger to human life or health, he shall promptly cause such building, structure or portion thereof to be made safe or removed. For this purpose, he may at once enter such structure or land on which it stands, or any abutting land or structure, with such assistance and at such cost as may be necessary. He may direct that adjacent structures be vacated and, in furtherance of public safety, the installation of appropriate barricades, or such other means as may be necessary, and, for this purpose, may close a public or private way.