As used in this chapter "additional maintenance service" or "maintenance service" means any service rendered by the city in maintaining public property which is in addition to the level of service generally provided for comparable public property not included in a maintenance benefit area and which the city council has found to be of special benefit to properties within a specific geographical area of the city. The terms shall also include the provision of any public service by the city which the city council has found to be of special benefit to properties within a specific geographical area of the city which is not made generally available to all areas of the city and which does not specially benefit all areas of the city. (Prior code § 55.01.105)