A. The Fire Marshal or any of his or her assistants, the Fire Chief, or any member of the Fire Bureau in charge of fire fighting at a fire, or the Chief of Police or any member of the Police Bureau in charge of police officers attending a fire, may immediately, summarily and without being required to give any notice whatsoever
1. Cause the use and/or occupancy of all or any portion of a building or structure which is found to be in danger of fire resulting from the spread of an existing fire to be discontinued;
2. Close said building or structure or part thereof during such period of danger;
3. Prevent the use and occupancy thereof.
Such officer may use such force as he or she may find reasonably necessary to protect human life. It is unlawful for any person to refuse to leave such building, structure or portion thereof when ordered to vacate the same under authority of this Section.
B. The Fire Chief or the Fire Chief’s authorized representatives shall be in charge of the scene of any emergency involving the saving of life and/or property from fire or other disaster, emergency medical services, hazardous materials incidents, or other emergency aid and shall have the power and authority to direct such operation as may be necessary in the reasonable performance of their duty.