Liquid containment door with continuous gasket

A pedestrian flood door system, comprising:

• a door frame comprising a frame strike side, a frame hinge side, a frame stop surface, a frame sealing surface, and a hinge mounting surface, wherein the frame stop surface, the frame sealing surface, and the hinge mounting surface are non-coplanar with each other;
• a threshold configured to extend between the frame strike side and the frame hinge side, the threshold including:
• a base configured to be secured to a floor surface, and
• a threshold sealing surface that extends vertically upwardly from the base;
• a door panel including:
• a main panel that comprises a panel wet side, a panel dry side, a panel bottom side, a panel strike side, and a panel hinge side,
• a door edge flange that extends outwardly from the main panel and that comprises a flange wet side and a flange dry side, the flange wet side being coplanar with the panel wet side, and
• a gasket in contact with the flange dry side and extending along the panel bottom side and extending at least partially up each of the panel strike side and the panel hinge side;
• and
• a door hinge configured to hingedly couple the panel hinge side of the door panel to the hinge mounting surface of the frame hinge side of the door frame and to facilitate hinged movement of the door panel relative to the door frame between an open position and a closed position,
• wherein, in the closed position, the panel dry side is proximate to the frame stop surface of the door frame, and the gasket is squeezed between the door edge flange and the frame sealing surface and between the door edge flange and the threshold sealing surface to create a flood barrier.