No person shall use a city of Petaluma skate park facility who is not wearing a helmet, knee pads, and elbow pads suitable to provide protection in the event of falls or collisions. A first violation of this section shall constitute an infraction. Subsequent violations may constitute an infraction or a misdemeanor pursuant to Chapter 1.10 of this code. (Ord. 2270 NCS §2 (part), 2007.)