SSA requires a contractor capable of providing preventive maintenance, repair, and emergency services for automatic door systems located across multiple buildings within the Social Security Administra... SSA requires a contractor capable of providing preventive maintenance, repair, and emergency services for automatic door systems located across multiple buildings within the Social Security Administration’s headquarters complex.The requirement includes preventive maintenance inspections, repair services, and emergency response support for automatic pedestrian doors, roll-up doors, dock levelers, and related systems.