Thursday evening, July 21 a crane will be lifting two makeup air units onto the top of Brown Hall. First a crane will be set up on the east side of the building, then after the unit is set on the roof the crane will be moved to the west side of the building to set up the other unit. The drive on the east side will be closed from approximately 5:00 pm to 7:00 pm. Then Sherrod Drive will be closed on the west side from approximately 7:00 pm till 9:00 pm.