For the purpose of enforcing the provisions of this article, the Health Officer or his duly accredited agent acting under his authority may at all reasonable times enter in and upon any premises within his jurisdiction. Any person or persons charged with failure to perform any of the duties imposed by this article, or within the time stated in the notice of the Health Officer, as the case may be, to perform such duties, or to carry out the necessary measures to the satisfaction of the Health Officer or his authorized agent, shall be deemed guilty of a separate violation of this article.