AP188.8.131.52. Floor and Walls. Eight inches of concrete
reinforced to meet current standards. Walls are to extend to the underside
of the roof slab above.
AP184.108.40.206. Roof. Monolithic reinforced-concrete slab
of thickness to be determined by structural requirements, but not less
than the floors and walls.
AP220.127.116.11. Ceiling. The roof or ceiling must be
reinforced concrete of a thickness to be determined by structural
requirements, but not less than the floors and walls
AP18.104.22.168. Vault door and frame unit should conform to
Federal Specification AA-D-2757 Class 8 vault door, or Federal
Specification AA-D-600 Class 5 vault door.
AP7.1.2. Secure Room
AP22.214.171.124. The walls, floor, and roof construction of secure
rooms must be of permanent construction materials; i.e., plaster, gypsum
wallboard, metal panels, hardboard, wood, plywood, or other materials
offering resistance to, and evidence of unauthorized entry into the area.
Walls shall be extended to the true ceiling and attached with permanent
construction materials, with mesh or 18-gauge expanded steel screen.
AP126.96.36.199. Ceiling. The ceiling shall be constructed
of plaster, gypsum, wallboard material, hardware or any other acceptable
AP188.8.131.52. Doors. The access door to the room shall
be substantially constructed of wood or metal. The hinge pins of outswing
doors shall be peened, brazed, or spot welded to prevent removal. Door
should be equipped with a built-in GSA-approved combination lock meeting
Federal Specification FF-L-2740.
AP184.108.40.206. Windows. Windows that are less than 18
feet above the ground measured from the bottom of the window, or are
easily accessible by means of objects directly beneath the windows shall
be constructed from or covered with materials that will provide protection from forced entry. The
protection provided to the windows need be no stronger than the strength
of the contiguous walls.
AP220.127.116.11. Openings. Utility openings such as ducts
and vents should be kept at less than man-passable (96 square inches)
opening. Openings larger than 96 square inches will be hardened in
accordance with Military Handbook 1013/1A (reference