EP 1110-2-9
31 Jul 94
Chapter 2
c. Review contract. The HEMP provides the con-
tract that will be used to guide the review of the hydro-
The Hydrologic Engineering Management
logic engineering final project.
Plan
2-3. Personnel Involved
2-1. General
The HEMP is a hydrologic engineering document usually
prepared by the principal engineer for the study. It is not
The HEMP is a technical outline of the hydrologic engi-
required or approved by other disciplines, but must incor-
neering studies necessary to formulate a solution to a
porate information needs of all disciplines. The hydro-
water resource problem. A HEMP could be an initial or
logic engineer plays the most important role in its
detailed work outline. An initial HEMP is developed to
development, but others have input as well. They
define key issues and activities sufficient to address study
include:
time and cost. A detailed HEMP outlines significant
technical activities in sufficient detail for the responsible
a. Senior personnel--the HEMP may be prepared by
engineer to perform the analysis.
an experienced engineer or a section chief to ensure that
the time and cost estimates are adequate and that they
2-2. Use
address all study issues. Supervisors should review and
critique the HEMP.
The use of a hydrologic engineering management plan is
threefold. It is the following:
b. Project manager (PM)--discussions on the effect
of the HEMP to the overall project schedule, cost, budget,
a. Basis for firm time and cost estimates. Accurate
and all other project processes should be held with the
estimates cannot be obtained without taking sufficient
PM that is responsible for the progress of the project.
time to develop firm and justifiable estimates for the
feasibility or the preconstruction engineering and design
c. Planning technical manager--discussions with the
(PED) phase. The HEMP should reflect the hydrologic
planning technical manager on the alternatives to be
information needs of the study team and define the
addressed, level of detail, combinations of different alter-
method of proceeding through the entire study process.
natives, study milestone dates, and other pertinent infor-
Agreement between hydrologic engineering, planning, and
mation should be held, agreed upon, and incorporated into
project management on the study scope must be reached
the HEMP.
for an accurate cost estimate. The HEMP should be
viewed as a contract to perform the stated work for the
d. Economist--the economist is important in estab-
agreed-upon amounts of funds and time. Written records
lishing the type of analysis required. Significant agri-
and daily or weekly logs of accomplishments are impor-
cultural damages require knowledge of the time of year
tant to properly manage and track the study time and fund
and duration of the flood and typically use a continuous
expenditures throughout the study.
simulation analysis. A study area with primarily urban
damages could use an event analysis. Information on
b. Technical guide for the hydrologic engineer.
damage reaches is necessary to estimate the location of
Many feasibility-phase or PED investigations require two
hydrologic computation points to give stage-frequency
or more years of hydrologic engineering effort. Even an
information at designated damage centers. This type of
experienced hydrologic engineer cannot foresee all facets
information is required to perform risk-based analysis for
of a multi-year study without significant planning and
project alternatives in close coordination with economists
input from others. A detailed technical outline allows
and all other team members.
work to be performed effectively and efficiently, without
close supervision. The preparation and use of a HEMP
e. Local sponsor--the sponsor almost always has
provides inexperienced hydrologic engineers with a
useful hydrologic information on the study area. The
clearer understanding of the analysis procedures and
sponsor may also have definite views on the type and size
reporting process. A HEMP provides the basis for mean-
of flood damage alternatives most suitable for the
ingful discussion and negotiation and helps in making
investigation.
decisions on refinements and changes as the study
progresses.
2-1
Previous Page
