Section 2. the Clerks of Council Shall, Upon Introduction, Furnish to

the City Planning Commission, for its consideration, a copy of all ordinances and bills, and all amendments thereto, relating to the location of any public building of the city; and to the location, extension, widening, narrowing, enlargement, ornamentation, and parking of any street, boulevard, parkway, park, playground, or other public ground; and to the relocation, vacation, curtailment, changes of use, or any other alteration of the city plan, with relation to any of the same; and to the location of any bridge, tunnel, and subway, or any surface, underground, or elevated railway. The said commission shall have the power to disapprove any of the said ordinances, bills, or amendments, which disapproval, however, must be communicated to councils, in writing, within ten days from the introduction of said ordinances; but such disapproval shall not operate as a veto.