UFC 4-010-01
8 October 2003
Including change 1, 22 January 2007
Mass notification. Capability to provide real-time information to all building occupants
or personnel in the immediate vicinity of a building during emergency situations.
Medical transitional structures and spaces. Structures that are erected or leased for
temporary occupancy to maintain mission-critical medical care during construction,
renovation, modification, repair or restoration of an existing medical structure.
Examples include urgent, ambulatory, and acute care operations.
Military protective construction. Military facilities designed to resist military
conventional and nuclear weapons to the NATO (or equivalent) standards of hardened,
protected, semi-hardened, collaterally protected, or splinter protected.
Minimum standoff distance. The smallest permissible standoff distance for new
construction regardless of any analysis or hardening of the building.
Operations support vehicles. Vehicles such as airfield support equipment whose
purpose is direct support to operations and which are operated only within a restricted
access area.
Parking. Designated areas where vehicles may be left unattended.
Primary gathering building. Inhabited buildings routinely occupied by 50 or more DoD
personnel. This designation applies to the entire portion of a building that meets the
population density requirements for an inhabited building. For example, if a portion of
an inhabited building has 50 or more people in it, the entire inhabited portion of the
building will be considered a primary gathering building. Inhabited buildings whose
populations are increased through inhabited building additions such that the combined
building meets the definition of a primary gathering building will be considered to be
primary gathering buildings for their entire inhabited portions. The primary gathering
building designation also applies to expeditionary and temporary structures with similar
populations and population.
Progressive collapse. A chain reaction failure of building members to an extent
disproportionate to the original localized damage. Such damage may result in upper
floors of a building collapsing onto lower floors.
Roadways. Any surface intended for motorized vehicle traffic.
Routinely occupied. For the purposes of these standards, an established or
predictable pattern of activity within a building that terrorists could recognize and exploit.
Security engineering. The process of identifying practical, risk managed short and
long-term solutions to reduce and/or mitigate dynamic manmade hazards by integrating
multiple factors, including construction, equipment, manpower, and procedures.
Specific threat. Known or postulated aggressor activity focused on targeting a
particular asset.
A-4
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