PFD
DEVELOPMENT
Presentation by Jeff Ratush
21JUL07
WHY WE NEED PFD
Provides overall process picture
Shows pictorial form of material and energy changes in the process
Indicates the nature and hazard of materials in the process
Provides visual description to the process steps and sequences
Defines basic operating unit
Delineates type of equipment, its design and fabrication character
Describes overall control philosophy in its fundamentals and relationship
between equipment and instrumentation
Establishes the basis for the concept definition and for initial factored
estimate
Enables alignment in discussion of the process and support between A&E
and client
Serves qas a vehicle for hazard screening and preliminary evaluation
Precursor of P&ID
Supports training of operating personnel
Helps to develop operating procedures
MAKING OF PFD