Acella Construction Corp. has completed the interior build-out and renovation to the corporate headquarters of architecture and urban design firm Machado and Silvetti Associates. The office renovation and build-out located on the 3rd floor at 560 Harrison Ave. was completed on schedule. Acella Const. was responsible for the 6,000 s/f office build-out, which included extensive interior renovations and remodeling.   Acella worked in conjunction with Machado and Silvetti, who acted as the project's architectural design team under the direction of design professional Andrew Cruse.