No person shall:
A. Open Trench: Open any trench in the streets or alleys of the city for the purpose of laying any service connecting with the water mains of the city;
B. Make Attachment: Make any attachment with any water main of the city; or
C. Alter Service Pipe: Make any alteration in any service pipe without first obtaining the approval of the public works director. (1973 Code § 13.16.050; amd. 2001 Code)