Located in Somerville’s Assembly Square, the new Partners HealthCare Towers will hold administrative offices, along with 100,000 square feet of retail and dining and a parking garage. Partners HealthCare is the state’s largest private employer. The project is part of the first phase of the 1.1 million square foot, 45-acre Assembly Row development. Vidaris is involved from the schematic design phase through the job site monitoring phase. Vidaris’ services include exterior wall, roofing and waterproofing consulting and monitoring, encompassing green roof and foundations and the open air garage.