Answer:
It is true, the planning team has to build on existing assessments such Hazard identification and Risk assessments prepared by the States in major urban areas, and other government entities.
Step-by-step explanation:
This is a logistics must in all teams. But in emergency contingency is more important. All planning teams need to know the environments and all the risks that could exist in all of them because their priority is to reduce the risk at it's the lowest level and then elaborate plans to react in the case of an unexpected and unavoidable risk. This is why planning teams are crucial in their quest to secure the wellbeing of their collaborators.