Hosmer Elementary School will be the first elementary school in Watertown to begin reconstruction. While the 2019 calendar has not yet reached Thanksgiving, the start of construction at Watertown’s three elementary schools is just around the corner. Scott Dunlap, project architect with Ai3 Architects, provided a basic timeline for the move toward construction at Hosmer Elementary School, the first of three schools to begin the reconstruction process. The Design Development process will be completed later this month. In the spring the project will be bid, and construction will begin over the summer break, Dunlap told the School Building Committee on Nov.