At the time and place appointed, pursuant to §7-32-105, the legislative body shall meet, and at the meeting, or at the time and place to which the meeting may be adjourned from time to time, all persons whose property may be affected by the improvement or improvements may appear in person or by attorney or by petition and protest against the making of such improvement or improvements, the material to be used, and the manner of making improvement or improvements; and the legislative body shall consider such objections and protests, if any, and may confirm, amend, modify, or rescind the original ordinance. Failure to object or protest at the time of confirmation of the original ordinance shall constitute a waiver of any and all irregularities, omissions, and defects in the proceedings taken prior to such a time.