Section 101.

Immediately upon the passage of the ordinance to proceed with the improvement of any street determined upon, the Director of Finance shall submit to Council an ordinance providing for the sale of bonds in an amount equal to three-fourths of the estimated cost of such improvement, in anticipation of the collection of special assessments for the payment of said bonds.

   Upon the passage of such ordinance, Council shall by motion instruct the Commissioner of Engineering to proceed with the proposed improvements.