(1) Nothing in the foregoing regulations shall be considered as prohibiting the Parks Department or their duly appointed agents or employees from the conduct of their assigned duties in the administration, maintenance, and development of park lands or facilities.

(2) In the event of natural disaster, State or municipal emergency, civil disorder, accident, or other similar situation wherein the conduct of activities otherwise permitted under these regulations may constitute a hazard to the public health, safety or welfare, or inhibit rescue, recovery, post-disaster or development operations, management personnel of the Department are specifically empowered to take reasonably necessary and temporary measures at their disposal to preserve the public health, safety and welfare to expedite rescues, recovery and operations, to include the temporary suspension of any or all activities contemplated in these regulations or any area or portion of any park lands or facilities and the temporary closure and/or evacuation of any such area.