Specifications include, but are not limited to: The mechanical equipment replacement includes existing air handling unit’s hydronic pre-heat coil, DX cooling coil, R-22 condensing unit for each Rest Area facility. The existing supply/return/exhaust ductwork will be duct cleaned and air balanced accordingly. Each Rest Area facility has an existing building automation system with Automated Logic DDC controls. The project will provide a new DDC system to control hydronic boilers, pumps, radiant in-floor system, cabinet unit heaters, air-handling unit, exhaust fan and air-conditioning units. The new building automation controls will also provide an operator’s workstation with touch-screen display for the mechanicals and field control devices for the building system interface.