EP 1110-1-17
16 Jul 99
SSHP
Controlling Authority
Site Safety and Health Plan
The headquarters of the DOD Component
concerned.
USACE
U.S. Army Corps of Engineers
Detonation
A violent chemical reaction within a chemical
USAESCH
compound or mechanical mixture evolving
U.S. Army Engineering and Support Center,
heat and pressure. A detonation is a reaction
Huntsville
which proceeds through the reacted material
toward the unreacted material at a supersonic
UXO
velocity. The result of the chemical reaction is
Unexploded Ordnance
exertion of extremely high pressure on the
surrounding medium forming a propagating
shock wave that originally is of supersonic
Section II
velocity. A detonation, when the material is
Terms
located on or near the surface of the ground, is
characterized normally by a crater.
Aboveground Magazines
Any type of magazine above grade other than
Engineering Controls
standard or nonstandard earth-covered types
Regulation of facility operations through the
of magazines.
use of prudent engineering principles, such as
facility
design,
operation
sequencing,
Ammunition and Explosives
equipment selection, and process limitations.
Includes (but is not necessarily limited to) all
items of ammunition; propellants, liquid and
Explosion
solid; high and low explosives; guided
A chemical reaction of any chemical
missiles; warheads; devices; pyrotechnics;
compound or mechanical mixture that, when
chemical agents; and components and
initiated, undergoes a very rapid combustion
substances associated therewith, presenting
or decomposition releasing large volumes of
real or potential hazards to life and property.
highly heated gases that exert pressure on the
surrounding medium. Also, a mechanical
Blast Overpressure
reaction in which failure of the container
The pressure, exceeding the ambient pressure,
causes the sudden release of pressure from
manifested in the shock wave of an explosion.
within a pressure vessel, for example, pressure
rupture of a steam boiler. Depending on the
Compatibility
rate of energy release, an explosion can be
Ammunition or explosives are considered
categorized as a deflagration, a detonation, or
compatible if they may be stored or
pressure rupture.
transported together without increasing
significantly either the probability of an
accident or, for a given quantity, the
magnitude of the effects of such an accident.
B-2
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