What might be a consequence of not properly sloping the sides of an excavation?

When excavation sides are not properly sloped, one of the primary consequences is an increased risk of collapse. Proper sloping is essential for ensuring the stability of the excavation site. If the sides of the excavation are too steep or vertical, the pressure exerted by the surrounding soil can lead to a sudden failure of the walls. This not only poses a danger to workers on-site but can also damage equipment and delay the project.

Properly sloped excavations help distribute the weight of the soil more evenly and reduce the chances of a landslide or cave-in, which can be lethal. Understanding proper excavation techniques and safety measures is critical to maintaining a safe working environment.

The other options do not accurately reflect the potential dangers and consequences associated with incorrect excavation practices. For example, increased working area and improved visibility are not direct benefits of poor sloping, and choosing "none of the above" fails to acknowledge the very real risk of collapse that arises from improper excavation techniques.