What are end splits in scaffold planks?

End splits in scaffold planks refer to separations that extend through the plank from face to face. This means that the split is significant enough to create a passage through the material, which can potentially compromise its structural integrity. Understanding this definition is critical for ensuring that scaffolding materials maintain safety standards. End splits can arise from various factors, such as drying out or stress on the wood, and recognizing these types of flaws is essential for determining whether a plank is still suitable for use or needs to be replaced to avoid hazards during scaffolding operations.

The other choices do not accurately describe end splits. For instance, some options discuss issues like minor surface cracks or natural seams, which do not penetrate fully through the plank and are generally less serious than end splits. Consequently, proper identification and understanding of end splits are crucial for maintaining safe and effective scaffolding practices.