The existing switch gear room has been vacated and all electrical equipment and stationary storage batteries have been removed by the tenant. The clean agent fire protection and detection system has been removed under FIR11-00528. The existing rated wall assembly seperating the former switch gear room and the mechanical room has been modified and no longer maintains an approved 1 hour rated assembly. The opening protection seperating the switch gear room and the mechanical room, (smoke dampers), may have been impared due the removal of the area smoke detection required as part of the clean agent system removal. The mechanical division, building official, and fire code official have approved the 3 air handling units to remain as is, under the condition the space served by the air handling units remains unoccupied. An occupancy permit shall be obtained prior to untilization of the vacated switch gear space.