Practice Test Geeks(CFS) Certified Floodplain Surveyor Practice Test
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Floodplain Mapping & Elevation Determination Flashcards

9 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 9 Floodplain Mapping & Elevation Determination flashcards as text

  1. What is the purpose of a Flood Insurance Rate Map (FIRM)?

    Answer: To identify flood hazard zones and elevations

    A Flood Insurance Rate Map (FIRM) is a crucial tool developed by FEMA that graphically depicts the flood hazard areas within a community. These maps identify different flood zones, including Special Flood Hazard Areas (SFHAs), and indicate Base Flood Elevations (BFEs), which are essential for floodplain management, building regulations, and determining flood insurance requirements.

  2. What tool is commonly used to determine ground elevation?

    Answer: Surveying equipment

    Surveying equipment, such as total stations, GPS receivers, and levels, is specifically designed and used by certified professionals to accurately measure and determine ground elevations. This precision is critical for floodplain management, construction, and creating elevation certificates, ensuring compliance with regulations and proper flood risk assessment.

  3. What is base flood elevation (BFE)?

    Answer: Predicted flood elevation during a 100-year flood

    Base Flood Elevation (BFE) is a critical regulatory term representing the water surface elevation resulting from a flood that has a 1% chance of being equaled or exceeded in any given year (the "100-year flood"). It serves as a benchmark for local floodplain management regulations, dictating minimum elevation requirements for new construction and substantial improvements in flood hazard areas.

  4. What does a Letter of Map Amendment (LOMA) do?

    Answer: Amends a flood map using new elevation data

    A Letter of Map Amendment (LOMA) is an official amendment issued by FEMA that removes a property or structure from a Special Flood Hazard Area (SFHA) on a Flood Insurance Rate Map (FIRM). This is typically granted when new, accurate elevation data demonstrates that the lowest adjacent grade or the lowest floor of a structure is at or above the Base Flood Elevation (BFE). A LOMA can often eliminate the mandatory flood insurance requirement.

  5. Which agency publishes flood hazard maps?

    Answer: FEMA

    The Federal Emergency Management Agency (FEMA) is the primary federal agency responsible for publishing and maintaining Flood Insurance Rate Maps (FIRMs) and other flood hazard maps. These maps are integral to the National Flood Insurance Program (NFIP), providing critical information for communities, property owners, and insurance providers regarding flood risk and regulations.

  6. What type of flood zone requires mandatory flood insurance?

    Answer: Zone AE

    Zone AE is a Special Flood Hazard Area (SFHA) identified on FEMA's Flood Insurance Rate Maps (FIRMs) where the Base Flood Elevation (BFE) has been determined. Properties located within Zone AE are subject to mandatory flood insurance requirements if they have a federally backed mortgage, and strict floodplain management regulations apply to new construction and substantial improvements.

  7. Why is accurate elevation certification important?

    Answer: To confirm structure elevation for insurance and compliance

    Accurate elevation certification, typically provided by a licensed surveyor, is crucial for several reasons. It confirms the elevation of a structure relative to the Base Flood Elevation (BFE), which is essential for determining flood insurance premiums and ensuring compliance with local floodplain management ordinances. This documentation helps property owners understand their flood risk and meet regulatory requirements.

  8. What is used to graphically represent elevation changes in floodplain mapping?

    Answer: Contour lines

    Contour lines are a fundamental graphical representation used in mapping, including floodplain mapping, to depict changes in elevation. Each contour line connects points of equal elevation, allowing surveyors and planners to visualize the terrain's shape, slope, and height variations, which is critical for understanding water flow and flood risk.

  9. What is a Flood Hazard Boundary Map (FHBM)?

    Answer: Map indicating preliminary flood zones

    A Flood Hazard Boundary Map (FHBM) was an earlier type of map produced by FEMA, serving as an initial identification of flood-prone areas within a community. While largely replaced by the more detailed Flood Insurance Rate Maps (FIRMs), FHBMs provided preliminary flood zone information to help communities understand their general flood risk before more comprehensive studies were completed.