In the given project scenario, how many columns and beams must be tested for bond strength?

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Bond strength testing checks how well the fireproofing adheres to the substrate, and testing on representative structural members ensures the coating sticks reliably in the different orientations and surface conditions you’ll encounter in the project. In this scenario, the plan calls for testing four columns and four beams. This balanced sampling covers both vertical and horizontal members, capturing variations in surface prep, exposure, and application that can influence adhesion. Four tests on each type provide enough data to assess consistency without overdoing testing, giving a practical, statistically meaningful representation of bond performance.