4. Operation
Have operation and maintenance procedures been prepared and put into use?
Is there a continuing feedback of operating experience to designers and are worthwhile improvements introduced?
Is ultimate obsolescence and replacement catered for?
Techniques of use in such a comprehensive approach include just about every thing in Management Theory, including Critical Examination to get the problem right, Critical Path Scheduling to plan and time the project, Management by Objectives to define the aims of the whole venture and to get people committed, Modeling and Simulation, Risk Analysis, Reliability Studies and Control Systems to aid design.