East Moline Illinois 309-792-9350 Macomb Illinois 309-833-4594 Ottawa Illinois 815-433-2080 Rockford Illinois 815-398-2332 Waukegan Illinois 847-336-7100

1998 | ACEC–Illinois
Engineering Excellence Merit Award
Flood Gates Raccoon River
Polk County, IA

Other honors for this project include:
ACEC–Iowa, Engineering Excellence Grand Concepter Award
ACEC–National Finalist
U.S. Army Corps of Engineers, Civil Works Award

After the devastating floods of 1993, anxious homeowners, businesses, the U. S. Army Corps of Engineers and the City leaders of Des Moines and West Des Moines, Iowa, sought a new flood control plan. McClure designed two one-of-a-kind, vertical lift flood control gates spanning two four-lane arterial highways. The gates are designed to close in minutes despite darkness, downpours, power outages or other adverse conditions. The lift gates feature special raising/lowering devices, special water tight seals and nearly perfect matching mechanical parts. High traffic loads forced all detail work and testing off-site. Each of these 80 foot spans successfully met the structural, aesthetic, and operational requirements of the cities and the U. S. Corps of Engineers.

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