Underground parking garage personnel fortification door drawing

Quick answer：

An underground parking garage personnel fortification door drawing is a technical drawing that illustrates the design and specifications of a personnel fortification door used in underground parking garages. These doors are designed to provide security and protection in case of emergencies, such as fires or natural disasters, by sealing off the parking area and preventing smoke and fire from spreading. The drawing typically includes details on the door's materials, dimensions, locking mechanisms, and integration with the garage's fire protection system.