Emergency Action Plans for Dams

Quiz Question

1. The owner of an existing high- or significant hazard dam shall submit the emergency action plan to the executive director for review within two years after the effective date of the rules unless an extension of the time frame is requested and approved by the executive director.
True
False
2. The purpose of an Emergency Action Plan (EAP) is to provide systematic means to ______________ emergency conditions threatening a dam.
Identify
Eliminate
3. An inundation map is used to depict areas that will flood if a dam fails. Inundation maps shall include the time to flood and the time to peak flow.
True
False
4. The EAP should not identify the existence and location of supplies and equipment available for use in remedial actions, preferably as close as possible to the dam.
True
False
5. The EAP should identify support capabilities, such as personnel or organizations that can render assistance and the procedures for contacting them.
True
False
6. A copy of the complete up-to-date EAP should be available to the __________________________.
Dam operator
Local emergency- management personnel
Local officials
All the above
None of the above
7. The level of detailing and frequency of reviewing depends on the ____________of the facility and the complexity of the downstream setting.
Size
Location
Existence
8. For small dams and others with only a few homes in the floodplain, a simple review of the EAP, including validating numbers on the notification chart, may suffice.
True
False
9. Training of the people involved in the EAP should ensure that they are thoroughly familiar with all elements of the plain, the availability of equipment, and their responsibilities and duties under it. Again, the level of detail involved in training is not at all dependent upon the size and complexity of a dam.
True
False
10. Preventive measures can be taken in an emergency to prevent the catastrophic failure of the dam, but such repairs should be undertaken with extreme caution. The repairs are only temporary, and a permanent repair should be designed by an engineer as soon as possible.
True
False
11. ________________ shall be responsible for evacuating residents in the event of a dam emergency.
Local law-enforcement officials
Residents
12. The various radio networks for emergency use include the informal ham-radio network, and networks belonging to the AAA County Sheriff’s office, BBB County Sheriff’s office, CCC County Sheriff’s office, Texas Department of Public Safety & the Texas Department of Transportation.
True
False
13. Although generally not in themselves a threat to the dam, severe storms can contribute to an existing problem and hinder any remediation efforts. Severe storms also cause the uncontrolled release of floodwater, and increase flow in already rain-swollen areas.
True
False
14. The overtopping of the embankment results in erosion of the dam crest. Once erosion begins, it is very difficult to stop.
True
False
15. __________________is the determination that a warning condition will most likely progress to a failure of the dam and the reservoir will be uncontrollably released, regardless of the actions taken.
Imminent dam failure
Possible dam failure