The mandate is negotiated and agreed before the engagement is initiated to ensure that there is clarity on responsibilities, deliverables, timelines and costs. The mandate will be based on engineering principals and will cover all or some of the following:
Each client mandate will clearly define the responsibilities of the parties and the nature of the engagement – from undertaking an initial Class 5 Conceptual Study (which can often be completed on a desktop basis) through to the Bankable Feasibility Study which requires in depth investigation of each of the success factors and how these are dealt by the operator. A pilot plant may well be required in order to confirm the reasonableness of the assumptions used in both the engineering and financial modelling.
Stages in the project development process include the following, with an “approval to proceed” following the completion of each stage.
| Classification Reference | Class 0 | Class 1 | Class 2 | Class 3 |
| Conceptual | Pre-feasibility | Bankable Feasibility | Control | |
| Purpose of Study |
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