In vertical picket placement, how should the picket be angled?

In vertical picket placement, the preferred angle of 10° from perpendicular is significant for several reasons. This slight angle helps to enhance the stability and resistance of the picket against forces that may be applied during a rescue operation. When a picket is set at this angle, it creates a more secure, frictional grip within the ground while still allowing it to effectively transfer loads.

Setting the picket perpendicular to the ground does not give it the necessary bite and resistance to lateral forces that may occur during rescues, which could lead to failure under stress. An angle of 45° could provide support in many contexts, but it is generally too steep for vertical pickets, as it may lead to unnecessary bending or weakening of the picket, particularly if the load is lateral. Placing the picket flat against the ground compromises its ability to withstand vertical loads, making it much less effective in providing the required anchorage for tensioned systems used in rope rescue scenarios.

Thus, angling the picket at 10° from perpendicular strikes a balance that optimizes its performance and effectiveness in a rescue situation.