Jet Fuel Storage, Underground
Tanks for the bulk storage of jet aircraft fuels. Tanks are located underground. For
aboveground storage use category code 41121. See category code 124-series for
operational fuel storage.
Storage, Covered, Installation and Organizational
Three basic types of facilities providing covered storage at the facility and organizational level
(a) warehouse, storehouse, and garage types of storage completely enclosed by walls, together
with heating, sprinkler, and alarm systems as needed;
(b) shed storage not completely enclosed by walls, including alarms and other systems; and
(c) covered storage for flammables, both warehouse and shed types, removed or set apart from
other covered storage according to criteria for storage of flammables.
Aircraft Production Parts Storage, Installation
A facility for storage of parts associated with the maintenance, repair, and production
of military aircraft at AMC facilities. Facilities for aircraft parts storage at other
aviation facilities should use category code 21113.
Storage, Open, Facilities and Organizational
Open storage areas at facilities and organizational levels. These storage areas are generally
graded, drained and surfaced with concrete, asphalt, or other material, to stabilize the
Open Storage Area, Installation
A facility for storage of material and equipment which does not require any protection
from the elements. They are generally improved or semi-improved areas which do
not provide any cover for the material stored inside. The Defense Reutilization and
Marketing Office (DRMO) often uses such facilities for storage of surplus and