If the owner of real property with a multifamily, commercial and nonresidential property zoning designation of M-2, M-3, M-4, or E (multiple-family dwelling districts), D&O (multiple-family dwelling and office district), C (commercial districts), O&I (office and institutional districts), D (downtown districts) or X (mixed use districts) immediately adjacent to a public sidewalk on public right-of-way fails to remove from the sidewalk any snow or ice accumulation within 24 hours after being served notice of violation of this chapter and said snow or ice constitutes a threat to public health and safety, the Public Works Director or his or her designee may cause all accumulation of snow or ice to be removed. The costs of said snow or ice removal shall be charged to the owner of the real property. (Ord. 19570 § 5, 5-24-11.)