The city manager or his/her designee may enter upon private property to abate the nuisance pursuant to the provisions of this chapter upon completion of the noticing provisions outlined in Sections 8.20.120 or 8.20.070 of this chapter. No person shall obstruct, impede or interfere with any officer, employee, contractor or authorized representative of the town whenever such person is engaged in the work of abatement, pursuant to the provisions of this chapter, or in performing any necessary act preliminary to or incidental to such work, as authorized or directed pursuant to this chapter. (Ord. 490 § 18 (part), 1996)