Unless a permit from the superintendent has been obtained, it is unlawful to:
A. Place or pile, or permit to be placed or piled, any sand, gravel, lime, cement, mortar, plaster, concrete, or any like substance or mixture, or allow the same to remain on any portion of any paved street or sidewalk;
B. Make or mix or permit to be made or mixed any mortar, plaster, concrete or any like substance or mixture on any portion of any paved street or sidewalk. (Prior code § 11-355)