Conceptual engineering and front-end engineering design — FEED — progressively develop scope maturity. Studies structure technical decisions and establish the basis for planning, procurement and subsequent design.
Early development compares alternatives and determines the information each decision requires. A consistent design basis connects operating needs, process criteria and site constraints.
The level of detail in deliverables is agreed for each stage. Assumptions and exclusions must remain visible to prevent preliminary definition from being interpreted as final design.
The scope is defined according to asset condition, project stage and available information.
Configurations, technologies and requirements are examined to select a development option. Conclusions explain the criteria used and the matters that remain open.
Configurations are compared against common capacity, utility, site and operating conditions. Criteria and assumptions explain why an option is taken forward and what information could change the decision.
Front-end engineering design consolidates diagrams, layouts and interfaces. Deliverables must indicate their maturity and outstanding checks so that procurement and subsequent engineering use a consistent basis.
Deliverables are agreed when the service is defined. The bases used, results and outstanding checks are documented so that the information can carry through to the next stage.
An initial review confirms what information is available and what needs to be completed. To prepare for that discussion, it is useful to have:
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