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 To aid in hurricane flood control, the U.S. Army
Corps of Engineers selected Burk-Kleinpeter, Inc. to
design a flood control structure in Bayou Lafourche,
Louisiana.
BKI designed a 56-foot wide steel hurricane flood
control sector-gate structure. To analyze stresses
from various loading combinations, BKI developed a
three dimensional computer model of the steel
sector-gate. The sector gate uses a primary electric
drive with commercial power, backup power supply
from electric generators, and pneumatic operation
from bottled compressed gas. A concrete gate
monolith, which includes a control house, was also
part of the design. For maintenance purposes,
concrete dewatering needles were included for
dewatering of the gate monolith.
The project also included timber fender guide walls
and dolphins; construction cofferdams; concrete
T-wall and I-wall floodwalls; and earthen levees.
The levee design included relocating LA Hwy 1 across
the new levee.
The construction cost was approximately $7.4
million.
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