Commonly, cost estimates for mining and infrastructure are much less reliable than process plants. To improve the performance of feasibility studies, they should be scrutinised through peer review and audit.
From estimation through to execution, all construction resources (manpower, equipment and materials) are accounted for, and project management shifts to complying with the Project Development Plan.
If a common goal is not adopted, things can go wrong and cause unnecessary disagreement between project members - set the objectives and stick to them, regardless of the challenges.
