This description outlines the process of creating contingency plans. It will explain the importance of having a plan in place in the event of unexpected circumstances, the steps necessary to develop a plan, and the resources available to help create one. It will also provide guidance on how to evaluate and update the plan
From Wikipedia
A contingency plan, or alternate plan, also known colloquially as Plan B, is a plan devised for an outcome other than in the usual (expected) plan. It is often used for risk management for an exceptional risk that, though unlikely, would have catastrophic consequences.