Coastal and Floodplain Construction Inspector's Practice Exam

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Which type of wood is known to be flood damage resistant?

  1. Pine

  2. Pressure Treated (AWPA U1)

  3. Balsa

  4. Fir

The correct answer is: Pressure Treated (AWPA U1)

Pressure-treated wood, specifically those treated following the American Wood Protection Association (AWPA) standards, is recognized for its increased resistance to flood damage. The treatment process involves the application of chemical preservatives that protect the wood from moisture, decay, and insect infestations, which are critical factors in flood scenarios. This enhances the wood's durability and longevity in environments where it is likely to be exposed to water. In contrast, standard species like pine and fir, while they may have some natural resistance properties, do not offer the same level of protection against moisture and decay as treated wood. Balsa, being a lightweight and soft wood, lacks the structural integrity necessary for resilience in flooding situations. Therefore, the superior protective qualities of pressure-treated wood make it the optimal choice for construction in flood-prone areas.