EP 1110-2-13
28 Jun 96
b. Emergency operations and repair subplan
d. Evacuation subplan (non-Federal). Non-
(Corps of Engineers). The emergency operations and
Federal officials are to be encouraged to develop
repair subplan consists of guidance and procedures for
evacuation subplans as a complement to the portion of
dealing with a variety of emergencies. One subplan is
dam emergency plans prepared by the Corps. The
sufficient. The portion of its contents dealing with
objectives of the evacuation subplan are to provide for
emergency responses should be divided according to the
the timely and safe evacuation of threatened areas and
type of emergency addressed or action to be taken as,
the minimization of property damage. The major
for example, the following:
elements of the subplan are:
(1)
Wave erosion.
(1) Description of traffic control arrangements
to expedite evacuation and passage of emergency
(2)
Excess seepage.
vehicles and prevent accidental travel into dangerous
areas.
(3)
Piping.
(2) Provisions for any necessary assistance to
(4)
High pool conditions.
evacuees such as transportation and aid to invalids.
(5)
Malfunction of control gates.
(3) Arrangements for sheltering, feeding, and
other care of evacuees.
(6)
Failure of discharge facilities.
(4) Description of actions to be taken to reduce
(7)
Upstream dam failure.
damages and other losses.
(8)
Downstream dam failure.
(5)
Arrangements for security of evacuated
areas.
c.
Notification subplan (Corps of Engineers and
non-Federal). Notification subplans are to be prepared
(6) Arrangements addressing other aspects as
for three basic emergency conditions including:
required for the case at hand.
spillway design discharge without failure, spillway
design discharge with failure, and failure at normal high
6-4. Number of Emergency Action Plans
pool level (top of flood control pool). Separate
Required
notification subplans are required for each emergency
condition because:
A large number of hypothetical emergencies could be
(1) Identification of the local officials to be
conceived by combining various causes for and
notified of an existing or potential emergency depends
assumptions about emergencies of one type or another.
on the area requiring evacuation which is associated
It is obviously impractical to prepare completely
with each emergency condition.
separate plans to address each potential emergency
condition which might be postulated. Instead, each
(2) The need to notify other Federal agencies, the
major portion of the emergency plan must be
public in the immediate vicinity of the dam and
considered individually with respect to how many
reservoir, and other parties varies according to the
separate versions are necessary (U.S. Army Corps of
nature of the existing or potential emergency.
Engineers, Hydrologic Engineering Center 1980):
(3) The appropriate text of news releases
a. Emergency identification subplan (Corps of
depends on the emergency condition for which they are
Engineers). Only one emergency identification
prepared.
subplan is required.
6-3
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