At the time of the public hearing on the proposed improvement, on the basis of said hearing of written remonstrances and oral objections, if any, the council may, by motion, at the time of the hearing or within one year there after, order the improvement to be carried out in accordance with the resolution, or the council may, on its own motion abandon the improvement. The city engineer will prepare final plans, specifications and contract documents ordered by the council. (Ord. 3570 §5, 1971).