All open or unenclosed wells, pits, mines or other excavations, upon complaint in writing being made by any resident of the city or the public works director to the owner of the land or his or her agent whereon such well, pit, mine or other excavation is situated, shall be enclosed or filled up, or securely covered, by such owner or agent, within 20 days from the date of the service of the notice. If the owner or agent of such land shall not reside in the city where such land lies, then such notice shall be conspicuously posted on the land for 20 days.

(Ord. 536, Sec. 1)

Upon the failure of the owner or his or her agent to comply with the provisions of section 8-401 within the time mentioned in that section, the party complaining may notify the city wherein such well, pit, mine or other excavation is situated, by filing with the city a copy of the notice served upon the owner of the land or his or her agent or, posted as aforesaid, with the date of service thereof endorsed thereon, or if such notice was posted as aforesaid, the date when such notice was posted, and the fact that the resident or the landowner or his or her agent is unknown; and thereupon the city shall be required to forthwith make investigation of the well, pit, mine or other excavation, and if such well, pit, mine or other excavation shall be deemed dangerous, the public works director shall cause the same to be filled up or securely covered and any expense incurred herein shall be paid by the city, duly itemized, verified and returned to the city clerk with a description of the land on which such well, pit, mine or other excavation is situated, who shall forward such itemization to the county clerk who shall enter the same on the tax roll of the county against the tract of land on which such well, pit, mine or excavation is situated and the same shall become a lien against the premises and shall be collected by the county treasurer as other taxes, and become a part of the general fund.

(Ord. 536, Sec. 2)