A. “Dangerous obstruction” means any tree, structure, debris or other thing with a maximum dimension of four feet or more which exists, or which has fallen or is likely to fall during a subsequent flood or wind storm, at a location within or along a streambed where the obstruction could cause interference with or diversion of the stream flow, or could become waterborne during periods of heavy runoff; provided, however, that it shall not mean natural rock or soil formations.

B. “Dry season” means the period extending from May 1st through October 31st of any given year.

C. “Rainy season” means the period extending from November 1st of any given year through April 30th of the succeeding year.

D. “Tree committee” means a technical committee appointed by the council to advise and assist the director of public works in evaluating whether or not any live and standing tree constitutes a dangerous obstruction. (Ord. 1051 § 1 (part), 1985: prior code § 5221.2)