MARSHALLTOWN (AP) - Emerson Process Management has announced plans to build a $12 million data center in Marshalltown.

The center will back up information from Emerson operations across the world. It will install computers, servers and air conditioning towers into a remodeled building on the campus of Fisher's, a division of Emerson.

Construction is expected to begin this spring and be finished in early 2009.

An undetermined number of Emerson employees will be moved to the site to join current Fisher workers.

Fisher, which makes valves for a variety of applications, currently employs more than 1,100 people in Marshalltown. Emerson develops different measurement and analytical instruments, systems and software.