Completion requirements
This article presents a nice overview of risk planning and mitigation implementation common for most organizations and projects. In the case of BI projects, the risk planning process can be similar, but the pitfalls are unique to BI. They are most likely to be related to technology and data.
Project Risk by Phases
Initiation
Risk is associated with things that are unknown. More things are unknown at the beginning of a project, but risk must be considered in the initiation phase and weighed against the potential benefit of the project's success in order to decide if the project should be chosen.