Specifications include, but are not limited to: Disassembly and removal of an existing aircraft hangar door Replace with free-standing, self-supporting, hydraulic operated, insulated hangar door, approximately 18.6 foot in height and 54 foot wide. Installation of a new hangar door on existing structure. Disassembly and removal of the existing 18.6 foot tall by 54 foot wide metal door will include all associated hardware and removal of the door from the property. The new replacement door must fit the existing door opening with little to no modification necessary to the existing structure. It must be hydraulic operated, insulated, free-standing and self-supporting with no modifications to the existing structure for support of operations. Color of replacement door exterior should reasonably match existing blue color of structure.