(a) The authority of the park rangers as special policemen shall be limited to when they are on duty as park rangers and when they are off duty but in the parks and in the park ranger's uniform and shall be limited, further, in that such authority shall exist only in public parks of the city or while in fresh pursuit out of public parks:
(1) When the person to be arrested has committed a misdemeanor or felony in the presence of the park ranger in the parks; or
(2) When the park ranger has reasonable ground to believe a felony has been committed in the parks, and reasonable grounds to believe the persons to be arrested has committed it.
(b) Public parks shall include all those grounds dedicated or deeded to the city for park purposes or those that are used for public park and recreation purposes, grounds maintained by the parks and recreation department and all structures or improvements included within any of the above areas when such structures are maintained or their use controlled by the parks and recreation department.
(Ord. No. 2954, § 1, 1-16-67; Ord. No. 3010, § 2, 6-5-67; Ord. No. 4605, § 3, 1-3-77)