Risk Assessment & Mitigation Flashcards
7 cards from real CFS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Risk Assessment & Mitigation flashcards as text
Which scenario best illustrates 'substantial improvement' triggering NFIP floodplain management requirements?
Answer: A renovation where the cost equals 55% of the pre-improvement market value of the structure
Substantial improvement is any reconstruction or improvement whose cost equals or exceeds 50% of the structure's pre-improvement market value, triggering compliance with current floodplain standards.
In probabilistic flood risk assessment, a Monte Carlo simulation is used to:
Answer: Quantify uncertainty in flood loss estimates by running thousands of random input scenarios
Monte Carlo methods sample from probability distributions of uncertain inputs thousands of times to produce a distribution of possible flood loss outcomes, capturing estimation uncertainty.
A community considering a levee as flood mitigation must be aware that FEMA accredits a levee on a FIRM only if it meets which standard?
Answer: It provides protection from the 1% annual chance flood with adequate freeboard and is properly certified
FEMA accredits a levee system on a FIRM when it is designed to the 1% annual chance flood standard, has adequate freeboard, and meets certification requirements under 44 CFR Part 65.
Which factor does NOT directly increase a community's social vulnerability to flood risk?
Answer: Presence of rip-rap channel lining in the floodway
Rip-rap is a physical flood control measure, not a social factor; social vulnerability is determined by demographic and socioeconomic characteristics that affect a population's ability to prepare for and recover from floods.
A Flood Mitigation Assistance (FMA) grant is specifically targeted at:
Answer: Reducing or eliminating claims under the NFIP, particularly for repetitive loss properties
FMA provides funding specifically to reduce or eliminate long-term risk of flood damage to buildings insured by the NFIP, with priority given to repetitive and severe repetitive loss properties.
When performing a risk assessment, 'residual risk' refers to:
Answer: The flood risk remaining after mitigation measures are implemented
Residual risk is the remaining flood risk that persists even after mitigation measures have been applied, which is why ongoing risk communication is essential.
A freeboard requirement of 2 feet above BFE in a local floodplain ordinance means a new residential structure must have its lowest floor at:
Answer: The BFE plus 2 feet
Freeboard is an additional margin of safety above the BFE; a 2-foot freeboard requirement means the lowest floor must be elevated 2 feet higher than the mapped BFE.