The US Army Corps of Engineers has a requirement at the Dresden Lock and Dam, in support of the Illinois Waterway Project Office. The requirements are for a catwalk to be used with the Generator at th... The US Army Corps of Engineers has a requirement at the Dresden Lock and Dam, in support of the Illinois Waterway Project Office. The requirements are for a catwalk to be used with the Generator at this location. The specifications for this catwalk can be found in the Scope of Work on the Solicitation when it is posted.