<![CDATA[<P>The Military Engineer l No. 66263
Design & Construction
Design-Build in St. Bernard Parish
By Col. Bob Davis, P.E., F. SAME, USA (Ret.)
The design-build approach
was critical to the successful
rebuilding of three Katrina-
damaged pump stations near
New Orleans.
T
he devastation caused by hur-
ricanes Katrina and Rita in 2005
sparked an important debate
about how our nation executes water
resources projects. In Southeast Loui-
siana, national, state and local leaders
determined that, in order to accom-
plish comprehensive risk management,
U.S. Army Corps of Engineers (USACE)
processes needed to be more adaptable,
?exible and resilient.
With the thorough reexamination of
processes after 2005, the national pri-
oritization for rapid recovery in South-
east Louisiana and subsequent funding
availability, the USACE New Orleans
District and the Hurricane Protection
Of?ce embraced the design-build ap-
proach to execute critical pump station
repairs in St. Bernard Parish.
Project Challenges
Hurricane Katrina caused exten-
sive damage to three pump stations in
St. Bernard Parish that operate during
storm events to remove stormwater from
behind the protective levee system that
surrounds the parish. USACE has served
as project manager for the expeditious
repair of facilities to provide a combined
850,000-gal per minute in pumping ca-
pacity. Challenging conditions included
poor geotechnical characteristics near
the project site, lack of availability of
construction resources due to simulta-
neous execution of numerous projects
in the vicinity, and the need for a system
that would provide the desired pump-
ing capacity and would operate over a
range of conditions. The Lake Borgne
Basin Levee District needed to be able
to turn on the pumps at high speeds
when the water levels in the drainage
canals were low in order to accommo-
date larger ?ows that would occur as
storms gained strength.
Design-Build and Source Selection
The design-build acquisition method
assigns both the facility design and con-
struction to a single team. In utility and
infrastructure projects, where speed
of execution is critical and the perfor-
mance requirements are easily articu-
lated by the owner, design-build deliv-
ery is ideal.
USACE procured the St. Bernard Par-
ish project in two phases. The Phase 1
requirements focused on the quali?ca-
tions, personnel and management plan
of the primary design-build team. Phase
1 government guidance included both
performance and prescriptive elements
from USACE and the Lake Borgne Basin
Levee District. Speci?c design criteria
were provided for all of the major engi-
neering disciplines. The USACE evalu-
ation factors for Phase 1 included cur-
rent and past performance, experience,
Hurricane Katrina caused extensive damage
to three pump stations in St. Bernard Parish
that operate during storm events to remove
stormwater from behind the protective levee
system that surrounds the parish.
Photo courtesy CDM</p>
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