EP 1165-2-1
30 Jul 99
preserved, full consideration is given to this course of action.
Those actions having an unavoidable effect or no effect on National
Register or eligible historic properties are fully coordinated with
the appropriate State Historic Preservation Officer (SHPO) and the
Advisory Council on Historic Preservation (ACHP) in accordance with 36
CFR Part 800.
a. In the multi-phased process leading to Congressional
authorization and construction of a project, cultural resource
considerations are characterized by the following activities.
(1) Reconnaissance Phase Studies. Cultural resources
investigations during the Reconnaissance Phase of Planning are usually
restricted to a literature and records review, coupled with an on-site
inspection (including, when possible, field check of recorded or
potential site locations) or pedestrian overview. In unusual cases,
the results of the Reconnaissance Phase studies may indicate that the
cost of adequately mitigating the effects of alternative plans upon
historic properties could exceed one percent of the total Federal
amount authorized for appropriation. In those cases, the
Reconnaissance Phase Report includes a narrative on the potential
need to exceed the one percent level. This narrative includes the
factual basis for concern and the need or likelihood of seeking a
waiver under Section 208 of the National Historic Preservation Act
Amendments of 1980.
(2) Feasibility Phase Studies. In consultation with the SHPO,
commands design and implement such studies as are necessary to
evaluate alternative plans in terms of their relative impact on
historic properties. These studies should, when conducted on a
sampling basis, provide for the efficient planning of any further
cultural resource investigations that may be needed prior to
initiation of construction. Feasibility phase studies are normally
accomplished on a sampling basis formulated within a research strategy
tailored to insure adequate coverage of the environmental zones within
the alternative plan impact areas. However, when considered necessary
or appropriate by the district commander, a sample survey may be
waived in favor of an intensive survey/inventory, approaching 100
percent coverage, during the Feasibility Phase. Again, cultural
resource studies completed during this phase of planning, may indicate
that the cost of adequately mitigating the effects of a selected or
primary plan upon historic properties could exceed one percent of the
total Federal amount authorized for appropriation. In those cases,
the feasibility phase report shall include a narrative on the
potential need to exceed the one percent level.
b.
Preconstruction Engineering and Design Phase Studies.
(1) During the period between completion of the feasibility
report and initiation of construction, intensive surveys/inventories,
if required or not previously conducted, are accomplished in the area
of potential environmental impact of the recommended plan or
authorized project. The results of such inventories serve as the
basis for formulation of plans for management of historic properties
prior to or during the construction and operational stages of
projects.
(2) Such inventories are accomplished within the context of
an explicit research design, formulated in recognition of prior work
by the Corps and others, and include such testing and other
comparisons and evaluations as may be required to formulate a program
which provides a defensible basis to:
19-24
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