If any person shall build, renew, lay or relay, or attempt to build, renew, lay or relay, or knowingly assist in so doing, any sidewalk or portion thereof, ordered by the said Board of Trustees to be constructed or renewed, or by Engineer, directed to be relaid, where no grade has been established, without first obtaining a grade thereof, from the said Engineer, or upon a grade contrary to that established therefor by said Board of Trustees or directed by said Engineer, or in a manner contrary to any of the provisions of this Chapter or of the particular provisions of this Code relating to such sidewalk, such persons so offending shall be fined in the sum of five dollars ($5.00) for every such offense, and in a like sum for every day he or she shall fail, neglect, or refuse to relay, renew or construct such sidewalk, or portions thereof in conformity with said provisions.