At any time after the violation of §
158-15, the Mayor may direct the Superintendent of Streets, Sewers and Parks to serve a written or printed notice, by personal service or by posting on the premises, on the person or corporation so offending, to the effect that unless the said person or corporation complies with the provisions of said §
158-15 by restoring the street, lane, alley or public place which shall have been opened by said person or corporation to as good condition as it was before it was opened, within a reasonable period of time, which shall be decided by the Mayor, the Superintendent of Streets, Sewers and Parks will proceed to restore said street, lane, alley or public place at the expense of the person or corporation so notified. At the expiration of the time fixed in the said notice, the Superintendent of Streets, Sewers and Parks shall proceed to restore such street, lane, alley or public place and report the expense thereof to the Common Council, together with his affidavit of personal service of the notice aforesaid or of the posting of said notice, and when approved by the Common Council the expense so reported shall become a lien on the real estate in front of which said work shall have been done, and shall be collected in the manner in which the expense of removing obstructions from sidewalks is collected according to the provisions of §
158-17.
