If any work done under a permit granted is not done in accordance with the provisions of this chapter and the plans and specifications as approved by the City Engineer, and if the contractor or person doing the work shall refuse to properly construct and complete such work, notice of such failure or refusal shall be given to the owner or occupant of the property for whom the work is being done. The City Engineer may cause the work to be completed and the sewer connected in the proper manner. The cost of such work and any materials necessary therefor shall be charged to the owner or contractor and be payable by the owner or contractor immediately upon the City Engineer giving written notice of the amount thereof or posting a notice thereof on the premises. (Ord. 208 § 18, 1957).