When an application for a service pipe and tap to a main has been filed with and approved by the city and the charge therefor has been paid, the tap to a main, the necessary pipe including a curb cock, meter and stopcock and drain cock, placed approximately one foot within the line of the street curb will be put in and maintained by the city and kept within its exclusive ownership and control. (Ord. 1090 § 8, 1952)