
Lock and Dam 11

Lock and Dam 12
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Lock and Dam 11
Customer: US Army Corps of Engineers
Contract Amount: $15,061,000
Location: Dubuque, IA
Project Description: On this lock and dam project, the concrete facing of the lock was removed and replaced over a winter shutdown period. Other scopes of work included new mitre gate machinery, a new bubbler system, valve replacemetn and structural repairs. -
Lock and Dam 12
Customer: US Army Corps of Engineers
Contract Amount: $7,016,000
Location: Bellevue, IA
Project Description: Civil joined forces with JF Brennen Co. on this multi-year project which included upper guide wall work, machinery replacements, structural repair, and the main winter shutdown to replace the lock wall facing with precast panels.