The council shall, at the conclusion of such hearing, make such order as it deems appropriate. If old sidewalks are condemned, the resolution embodying such order shall so state and shall order the property owner to remove the same within such period as the council may deem reasonable, not less, however, than two (2) days. If the repair of an existing sidewalk is ordered, the nature of the repairs shall be set forth and the property owners shall be ordered to make such repairs within such period as the council may deem reasonable, not less, however, than two (2) days; provided, however, that if the council finds that any sidewalk constitutes an immediate hazard to the safety of pedestrians using the same, the removal or repair of the existing sidewalk may be ordered to be done forthwith, either by the property owner or by the city. If the construction of a new sidewalk is ordered, the property owner may be ordered to complete the construction of the same within such period as the council may deem reasonable, not less, however, than twenty (20) days. The city engineer shall be required to estimate the costs of each and all of the proposed improvements and repairs. (Prior code § 9-1-7)