Disaster levels can be defined as follows:
Level I disaster. A level I disaster is one resulting in facility inaccessibility
or loss of power or other critical services for an expected period of
up to 48 hours (this time factor can change accordi ng to the recovery
time objective). Damage from a level I disaster is not large in scale. It
may consist of minor damage to one or more buildings, lack of access
due to weather or city infrastructure conditions, or hardware and
software problems.
Level II disas ter. A level II disaster exists when the outage is expected to
last 2 to 5 business days. Damage from a level II disaster is more serious
than level I damage and may result in he avier losses to equipment and
documentation (files, reports, contracts) ...