This article is about the final stage of a project – construction. As the preceding articles have demonstrated, it takes a lot of planning and preparation to get this stage right, but this protects you in this crucial stage, where it can be very expensive if something goes wrong. Often a practitioner will gloss over the planning stages as he or she is keen to start on construction and see things getting done. Construction is where the bulk of the budget is spent and dramatic changes occur. However, it is just the final step in a long ballet.