No person shall park or stop any vehicle for any purpose other than the loading or unloading of passengers or materials in any alley. No stop for the loading of passengers shall be for more than three minutes, nor for the loading or unloading of materials for more than 30 minutes in any alley. All vehicles so parked or stopped in any alley shall be parked or stopped facing in the proper direction for legal traffic in any such alley, and on the right side thereof. No vehicle shall be parked or stopped in such a manner as to obstruct the passage of any vehicle.
(1995 Code, § 9.48.130)