MIL-HDBK-1191
Level of Exit Discharge. (1) The lowest story of a building from
which not less than 50% of the required number of exits and not
less than 50% of the required egress capacity of the story
discharge directly outside at grade. (2) The story with the
smallest elevation change needed to reach grade where no story
has 50% or more of the required number of exits and 50% or more
of the required egress capacity from such story discharge
directly outside at grade.
Life-Cycle-Cost Analysis (LCCA). The determination, evaluation,
and presentation of all costs incurred by and in a facility being
engineered/designed. Includes costs of planning, designing,
engineering, constructing, operating, and maintaining a
component, system, or the facility.
Life Safety Branch. A subsystem of the emergency system
consisting of feeders and branch circuit, meeting the
requirements of Article 700 of NFPA 70, National Electrical Code,
intended to provide adequate power needs to ensure safety to
patients and personnel, and which can be automatically connected
to alternate power sources during interruption of the normal
power source.
Life Safety Code (L.S.C.). Standard developed and updated
regularly by the National Fire Protection Association that
specifies construction and operational conditions to minimize
fire hazards and provide a system of safety in case of fire.
Life Safety Code Upgrade. The term used when the primary purpose
for a project at a facility is to compartmentalize, provide for
egress, and generally bring the facility up to the L.S.C.
standard for access and exiting requirements.
Life Safety and Utility Upgrade. This term is used when the
facility requires a full NFPA modernization which is not limited
to NFPA 30, 37, 70, 99, 101, and 110.
Load, Live. The weight superimposed by the use and occupancy of
the building not including wind load, earthquake load, or dead
load.
Local Area Network LAN. A modular communication methodology
whereby the facility is prewired during construction for current
and future communications (telephone, CHCS, etc.) needs without
having to surface mount additional wires or coax in the future
and reduce future communication installation costs.
Logistics Elevator. An elevator whose primary purpose is to
transportation various supplies (dietary, medical/surgical
supplies, etc., devices and equipment as well as occasional
construction materials, etc.
Magnetic Resonance Imaging (MRI). A system that produces images
of the body by using a strong magnetic field and computers. The
imaging system is capable of showing the differences between gray
GLOS-22
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