BOONE, Iowa—The on going Alliant Utility voltage conversion project in Boone will have another planned outage Tuesday afternoon. The outage is affecting 167 customers on or adjacent to 6th Street, including the Boone County Family YMCA. The planned outage is for 5:00 PM, weather permitting and is expected to last two hours. Because of the outage, the Boone County Family “Y” will be closed Tuesday at 5:00 PM until Wednesday morning at 5:00 AM. Alliant personnel say that the customers that are expected to be impacted are contacted by phone to let them know the outage is coming. The voltage conversion project is expected to enhance electric service and reliability.