Which of the following should be checked when inspecting a flooded building for substantial damage?

When inspecting a flooded building for substantial damage, it is essential to assess all critical structural and non-structural components to determine the extent of the damage accurately. Each part of the building serves a specific role and can be affected differently by flooding.

Inspecting the foundation is crucial, as any cracks, shifting, or structural integrity issues can lead to long-term problems for the building's stability. Walls and ceilings should also be thoroughly examined because they can absorb water, leading to mold growth and material degradation. Furthermore, ductwork and the water heater are important because flooding can damage these systems, potentially leading to health hazards or loss of essential services.

By evaluating all these components, you ensure a comprehensive understanding of the damage incurred during the flooding, which is vital for making informed decisions about repairs and restoration. This holistic approach aligns with the guidelines established by the NFIP, as all elements can contribute to the overall functionality and safety of the building post-flood.