The City Engineer shall be the head of the Engineering Department and shall exercise general supervision of all engineering for public improvements.
The City Engineer shall have the following powers and duties:
.1 to have care and custody of all plans or surveys relating to public works and improvements, including all other plans and surveys relating to streets, sewers, bridges, and drains and to prepare plans and contracts for the same;
.2 to approve the location of water pipes and prepare accurate plans of the same;
.3 to make and maintain accurate plans of all common sewers, showing all entrances thereto;
.4 to prepare plans of all property to be assess for sewer betterments; .5 to make such surveys, plans, profiles, estimates and descriptions as may be required by the Mayor or City Council.