No person shall operate upon or cause to be operated upon the improved portion of any concrete, asphalt, rock and oil, or oiled street, or public way in the City any vehicle having thereon a tire or tires on the periphery of which there is or are any blocks, studs, flange, cleat, ridge, bead or any wood which projects beyond the tread of the traction service of the tire. This section shall not prohibit the use of tire chains of reasonable size to prevent skidding when upon wet or slippery surfaces, nor shall the restriction of this section apply to such vehicle when its operation upon any street or road is necessary in the construction or repair thereof. (Ord. 5547 § 1 (part); December 19, 1995.)