EP 1110-2-13
28 Jun 96
a. Report on engineering considerations and
Specifically, site visits are required when the
following occur (ER 1110-2-112):
instructions to field personnel. Design personnel
(geologists, geotechnical engineers, structural
(1) Excavation of cutoff trenches, foundations,
engineers, etc.) will prepare a report to aid the
and abutments for dams and appurtenant structures.
construction engineers in supervision and inspection
of the construction of the dam (ER 1110-2-1150).
(2)
Excavation of tunnels.
b. P r e c o n s t r u c t i o n
orientation.
(3) Excavation of borrow areas and placement of
Preconstruction orientation for the construction
embankment dam materials early in the construction
engineers by the designers is necessary for the
period.
construction engineers to be aware of the design
philosophies and assumptions regarding site
(4) Observation of field conditions that are
conditions and function of project structures, and to
significantly different from those assumed during
understand the design engineers' intent concerning
design.
technical provisions in the P&S (Federal Emergency
Management Agency 1979).
d. Ensure project is constructed according to
intent of design. The Corps of Engineers has several
c.
Construction milestones which require visit
cost-saving programs. One of these programs which
by designers. Visits to the site by design and design
can affect dam safety is Value Engineering (VE).
review personnel are required to ensure the following
The VE process provides for a multi-discipline team
(ER 1110-2-112, ER 1110-2-1150):
of engineers to develop alternative designs for some
portion of the project. The construction contractor
(1) Site conditions throughout the construction
can also submit VE proposals. Any VE proposal
period are in conformance with design assumptions
affecting the design is to be evaluated by design
and principles as well as contract P&S.
personnel prior to implementation to determine the
technical adequacy of the proposal. VE proposals
(2) Project personnel are given assistance in
must not adversely affect the long-term performance
adapting project designs to actual site conditions as
or condition of the dam. A potential safety problem
they are revealed during construction.
exists if design personnel do not have the opportunity
for evaluation (U.S. Army Corps of Engineers, Office
(3) Any engineering problems not fully assessed
of the Chief of Engineers 1977).
in the original design are observed, evaluated, and
appropriate action taken.
C-3
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