Preferred’s Fuel Oil Handling and Boiler Control Cabinets now have California’s OSHPD Seismic Preapproval. This certification, required by the building code for all hospitals and large nursing facilities in California, verifies the integrity of manufacturer’s equipment and components in event of a seismic disturbance, an earthquake. Through “shake table testing,” Preferred’s boiler and fuel oil handling panels have received the certification that proves its functional ability survive an earthquake and keep your facility running.