The Schedule A or Basic Engineering Design package refers to a completed process design package that includes all the necessary information required by an Engineering/Construction, EPC, or Detail Engineering firm to perform the detail engineering of the plant (details such a structural steel supports, buildings, wiring, piping details, insulation, equipment vendor/model selection, etc.). Process Engineering Associates, LLC provides this package and is there to answer any questions the client or engineering firm might have to ensure a smooth transition into the detail engineering phase.