FAIRMONT— The Martin County Commissioners heard about some changes to the courthouse roof renovation project from Bob Mickelson of ISG on Tuesday. During the removal of materials, the cement roof decking was found to have deteriorated and is in poor condition. ISG did a review and on Tuesday provided the board with two options. The first is to replace the existing concrete roof with a steel deck for an estimated cost of $985,000. The second option is to provide a new steel stud and track sleeper over the existing concrete deck, which carries an approximate cost of $380,000 and could ...