12.1.1 Normal
good engineering practice and standards are to be employed in any
control system(s) fitted.
12.1.2 Due
to the wide variety of types of process plant, it is not possible
to lay down precise details of control scheme(s), since any control
scheme is affected by the nature of, and the operating procedures
of, the process plant. A description of the expected method of operation
of the process plant is to be submitted.