An application for a State Environmental Policy Act (SEPA) Threshold Determination has been submitted in advance of applying for a building permit to construction of a three-story mixed-use building in downtown Chelan. The ground floor (3,400 SF) with a carport (825 SF) and the second floor (3,816 SF) will be designated for commercial use, with single residential dwelling (2,880 SF) on the third floor. Rooftop installation of a radio tower is being considered. The total building square footage will be around 10,096 SF on the zero lot line site of 4,195 SF.