van Zelm provided full-scope mechanical, electrical, plumbing, and fire protection engineering services for the $61.9 million renovation of Plainville Middle School, a 101,138-square-foot educational facility. The project modernized the existing building through comprehensive upgrades to HVAC, plumbing, fire protection, and electrical systems, enhancing energy efficiency, occupant comfort, and long-term operational performance. Services included system assessments, sustainable design strategies, construction documents, bidding support, and construction administration.