Alameda Municipal Code § 15-3 Guarding and Use of Streets During Fire

It shall be the duty of the Police, at the time of fire, to place ropes or guards across all streets, lanes or alleys on which shall be situated any building on fire and at such other points as they shall deem expedient and necessary, and they shall prevent any and all persons, except owners and occupants of buildings endangered by the existing fire and their employees, and excepting also officers of the Fire Department and Firemen, City officers, and such other persons as may have permission from an officer of the Fire Department or a Police Officer, from entering within the lines so designated by ropes or guards. Any person other than those hereinbefore excepted, entering within the lines designated by the ropes or guards and refusing to go outside the lines when directed so to do by any Police Officer or officer of the Fire Department shall be deemed guilty of a misdemeanor, and liable to punishment as hereinafter provided.

(Ord. No. 535 N.S. § 14-121)

It shall be unlawful for any person to break through or attempt to break through such rope or guard or barrier or to run over with any vehicle any fire hose used by the Fire Department at any fire.

(Ord. No. 535 N.S. § 14-122)