This paper describes the extension of the buildingEXODUS evacuation model in order to: allow occupants to be assigned a limited set of tasks, display co-operation between occupants, represent muster locations and allow occupants to re-enter the structure. By identifying some of the occupants as "staff" and assigning them with a set of patient preparation and rescue tasks, the model is better suited to simulate evacuations from hospital structures. The modified model is demonstrated through the simulation of the evacuation of a geometry resembling a Nightingale Ward. The simulation is repeated with the presence of fire hazards.
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