No person shall store, place, put or dump any lumber, wood, metal, rock, concrete, sand, gravel or any other material whatever, or any structure whatever, in or upon any street, alley or sidewalk in the city. This section shall not apply to any materials or structures necessary for the construction and/or the repair of any street, alley or sidewalk in the city while such work is in progress and then only until such construction and/or repair is completed.
(Code 1974, § 13-1)