Boston Business Journal -- The Gutierrez Co. received approval to build a 600,000-square-foot biotech park called the Burlington Research Center. The town of Burlington, Mass., granted the local developer permission to build the three-building biotechnology R&D and office park. The project, located at 43-63 South Ave., will also include a restaurant and retail space. The approval makes Burlington Research Center the largest development in the Route 128 marketplace to be cleared for biotech research and development use.