TM 5-803-14
evaluated on a site visit. The following questions
location near facilities which cannot accept collat-
can predict the most substantial problems:
eral damage.
a. Inadequate Size and Shape. Would the site
3-5. Concept Development.
with its present size and configuration meet user
Concept development is the application of a spe-
needs and requirements? Would it accommodate
cific program to an individual site. In concept
proposed facilities? Would it allow for future ex-
development, a series of progressively more de-
pansion?
tailed steps is taken to achieve a concept design-
b. Poor Locution and/or Accessibility. Would the
: spatial relationships diagrams, sketch site plans,
site be easily accessed without substantial im-
and concept site plans. As shown in figure 2-1, the
provements to or expansions of existing roadways?
work effort transitions from planning to design
Would the site support, rather than interrupt,
during this task. Planning finishes with the devel-
nearby facilities and activities? Would necessary
opment of spatial relationships diagrams.
and adequate utility service be available?
a. General. In each step of concept development,
c. Incompatible Surround Land Use. Would the
alternatives should be explored and evaluated to
site be adversely impacted by surrounding activ-
arrive at the optimal design. An awareness of the
ity? Would development on the site adversely
site design guidelines discussed in chapter 4 is
impact surrounding activity? Would the site be
useful during the evaluation. The size and com-
constrained by requirements (e.g., safety clear-
plexity of each project will determine the level of
ances) of neighboring land uses?
detail necessary during concept development. How-
d. Extremely Flat or Steep Topography. Would
ever, the general procedures described below for
extremely flat slopes on site create significant
the preparation of spatial relationships diagrams
drainage problems and increase construction costs?
should be followed for every project.
Would extremely steep slopes require substantial
b. Spatial Relationships Diagrams. Spatial rela-
regrading to accommodate facilities and increase
tionships diagrams employ a broad-brush approach
construction costs?
to initial concept development: the organization of
e. Erosion and Sedimentation. Is there evidence
activities and facilities on site. The diagrams will
of existing erosion and/or sedimentation which
be used to look for the optimal fit of the program
may indicate both drainage and construction prob-
to the site. The diagrams will note potential
lems?
problems and benefits, without formulating de-
f. Unstable Soils or Sinkholes. Is there evidence
tailed responses to either. The use of correctly
of unstable soils or sinkholes which may suggest
scaled graphics for facilities, activity areas and
increased construction costs or preclude construc-
circulation helps to assure that there is adequate
tion altogether?
space on site for the program.
g. Floodplains, Wetlands and/or Standing Wa-
c. User Participation. It is important to involve
ter? Is the site located in a floodplain or wetland
representatives of the user in concept develop-
area which would preclude construction? Is there
ment. Spatial relationships diagrams interpret
evidence of standing water which would indicate
user needs into site-specific alternatives. They are
drainage problems and increased construction
an effective way to elicit user response because
costs?
they help focus the user's attention upon the way
h. Environmental Hazards. Is there evidence of
site conditions will impact facilities and the way
environmental hazards which would impact or
facilities will impact the site. A design charette is
prevent development of the site?
a useful tool at this stage. A charette is a concen-
i. Archeological and Historic Resources. Is there
trated work effort over a short period of time. It
allows interaction between the user's representa-
evidence of archeological and/or historic resources
which would preclude development or require
tives and the design team and takes maximum
advantage of the multi-disciplinary approach to
costly protective measures?
j. Threatened and Endangered Species. Are
site planning.
d. DA Facility Standardization Program Definite
there threatened and endangered species of plants
Designs. The Army provides standard designs for
and/or animals which would prevent development?
k. Physical Security. Does the site have security
many facilities. These designs will be used where
applicable. A facility design may include a site
vulnerabilities which would prevent development
or substantially increase construction costs? Secu-
plan. The plan presents an idealized design based
on the functional relationships diagram and using
rity vulnerabilities include inadequate standoff
distance, natural barriers, natural vantage points,
the standard facility design. This site plan does
not refer to any individual site. It should not be
location near uncontrolled areas and facilities, and
3-14
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