UFC 4-171-05
1 January 2005
with change 25 October 2006
available from local planning and zoning officials, or from public works water resources
or planning sections on Government installations that have a public works directorate or
department. The Federal Emergency Management Agency (FEMA) publishes maps of
formally studied and designated floodways; their information is normally available
through the state agencies responsible for the implementation of the state s flood plain
or flood protection program.
2-4.4.2 The U.S. Army Corps of Engineers District (Civil Works) in which the site is
located will also have information as to whether or not the site is protected by a Corps
flood protection project.
2-4.4.3 Not all sites that flood are documented as part of a formal flood plain study or
shown on floodway maps; this is usually referred to as small localized flooding, but may
have a significant effect on any one site. Therefore, investigation of local reports of
flooding on the sites may be needed. Many times, these reports are verbal or included
in local newspapers. A preliminary hydrology/hydraulic analysis may be needed to
determine the relative frequency and level of flooding that will need to be mitigated by
design of the site.
2-4.4.4 Floodway areas cannot normally be developed. Filling of flood fringe areas is
restricted and will require re-analysis of floodway hydraulics if fill depths are exceeded;
such filling may not be allowed.
2-4.5
Traffic Impacts
2-4.5.1 The development of an Army Reserve Center will normally result in additional
traffic to the existing roadways at the site access point(s). As noted above, such access
points should be minimized. The roadway from which access is gained will generally be
under the jurisdiction of a public agency (state Department of Transportation, county,
township or municipality). A Government installation with a public works department will
be responsible for the installation roadways.
2-4.5.2 The responsible agency for the accessed roadway should be identified and
contacted to review the project traffic planning. The designer should verify that the
responsible agency has not delegated roadway use and planning to a subordinate
agency or level (i.e., a state highway for which the state Department of Transportation is
allowing the local municipality to determine turn lane requirements). As with utilities, any
required applications, permits, reviews, fees, design/construction requirements, or
service upgrades should be identified, and their impacts on design and construction
costs and schedules should be calculated.
2-4.5.3 An estimate of the traffic generation information for the facility should be
developed for the review with the responsible agency. It is not unusual for such
agencies to limit the number and location of access points, or to require directional
access (left- and right-hand turns), turn lanes, acceleration/deceleration lanes, or
alignment and spacing in relation to existing access points.
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