Signaling the start of construction at the corporate park on outer Bradley Street in the town of Pamelia, a dozen dignitaries scooped soil with shovels Thursday morning at the future site of the Honda dealership planned by F.X. Caprara Auto Sales. The groundbreaking ceremony was held by the MRB Group of Watertown, which created Water District 11 and Sewer District 9 on behalf the town of Pamelia for the 88-acre site, owned by Purcell Construction Corp., Watertown.