In a letter released Friday, Sept. 19, JE Dunn Construction and Henry Carlson Construction committed to a guaranteed maximum price of $650 million for the construction of the South Dakota Correctional Facility in northeastern Sioux Falls. ADVERTISEMENTThe two construction companies are the same that previously agreed to a guaranteed maximum price of $825 million when the prison was previously planned to be cited between Harrisburg and Canton in rural Lincoln County. A comparison of preliminary housing designs for the South Dakota Correctional Facility, depending on its location. Larry RhodenFriday’s guaranteed maximum price follows a Sept. 8 letter from JE Dunn and Henry Carlson that expressed confidence that the project was doable at the reduced price. The Incarceration Construction Fund, established specifically for a new prison facility, currently has a balance of approximately $505 million.