The Iowa Dept. of Administrative Services awarded Walsh the $116 million contract for the 800-bed prison. The plans were announced Monday by the department.
Walsh was the lowest bidder for the new prison. Expected completetion date is Dec. 2012, and final negotiations are still ongoing before a written contract is put forth.
Approximately 300-500 workers will work at the prison once it is opened.
Those working on the prison project will primarily be Iowa residents. Under an agreement, Walsh Construction can only bring core employees to the job site.
Iowa code states that Iowa workers be given preference for the project.
Other bidders included: William Brothers Construction, Peoria, Ill., $117.5 million; the Weitz Co., Des Moines, $121.5 million; R.C. Construction LLC, East Peoria, Ill., $121.8 million; Knutson Construction Services, Minneapolis, $122.5 million; and J.E. Dunn Construction, West Des Moines, $126.7 million.