No public improvement, the cost or the part of the cost of which is to be specially assessed on the owners of property, shall be made without notice to abutting owners as provided in Section 22
hereof and the concurrence of three-fourths of the members elected to the Council, unless the owners of a majority of the foot frontage to be assessed, petition in writing therefor, in which case the Council shall be authorized (a majority of the members elected thereto concurring) to ordain such improvement.