All openings made in any public street, alley or sidewalk under the provisions of this subchapter shall immediately upon the accomplishment of the purpose for which the same was made, be completely filled up, and the surface thereof shall be made flush with the adjacent surface of the street. Any hard surface removed will be replaced by the person removing or causing same to be removed. Every day during which the opening remains unfilled in violation of the provisions of this section shall constitute a separate offense.
(1940 Code, Ch. R, Art. I, § 6) Penalty, see § 96.999