Hazard Classification and Inundation Mapping

Questions:
1. Who completes hazard classification evaluations? (both new & existing)
2. Who completes inundation mapping for Emergency Action Plans?
3. If using HECRAS, have stability problems associated with unsteady flow modeling been a concern?
4. What software products are you using?
5. What starting water surface elevations do you use for hazard assessment?
6. What starting water surface elevation do you use for inundation mapping?
7. Do you include a storm event in your hazard evaluations? If so, what frequency?
8. How far downstream do you route your dam break flood for hazard determination?
9. What methods do you use to determine time to breach and breach width?
10. What is your hazard classification application fee?
11. If your design standards are based on loss of life estimates, what inundation area do you use to estimate loss of life?
12. Other comments: