No person owning, building or repairing any house or other building shall permit any lumber, brick, plaster, mortar, earth, clay, sand, stone, or other material to remain on the sidewalk after sunset of the day upon which it was placed there, without permission, in writing, from the Chief of Police, subject to any safeguards he may prescribe.
('88 Code, Title IV, Ch. 41, § 4.13) Penalty, see § 94.99