§ 99.021  OBSTRUCTION OR USE OF STREETS AND SIDEWALKS IN WRECKING OR RAZING BUILDINGS.
   It shall be unlawful for any person to wreck, raze or tear down any barn, house, building or other structure upon any premises within the city, when by such wrecking, razing and tearing down, any portion of a street, sidewalk or other public space is used, blocked or obstructed in any manner, or where such building, house, barn or other structure is within 15 feet of any such street, sidewalk or other public place, unless such person shall have paid a permit fee of $1 and received a permit to do so from the building department of the city and shall have posted with the city controller a bond with surety approved by the controller in the principal sum of $2,000 payable to the city and indemnifying and holding harmless the city from any damage or loss by reason of a consequence of such wrecking, razing or tearing down. The term “building” herein shall mean any partially constructed building, remains or ruins of a partially destroyed barn, house, building or other structure.
('74 Code, § 25-2)  Penalty, see § 99.999