When loose, brick stacks that reach 4' should be tapered back how far for every foot of height above the 4' level?

When dealing with loose brick stacks, it’s important to ensure stability and safety, especially as the height increases. For stacks that reach 4 feet, the guideline is to taper back the stack an additional 2 feet for every foot of height above that 4-foot level. This tapering process is essential for preventing the bricks from toppling over, as a wider base creates a more stable structure.

In this context, tapering allows the upper layers of bricks to have a solid, wider base, reducing the center of gravity and minimizing the risk of collapse. The rationale behind tapering back 2 feet for each additional foot of height is rooted in principles of physics regarding balance and weight distribution.

Understandably, the other options suggest varying tapers, which do not align with the standard safety practices for brick stacking. Observing the correct tapering guidelines is crucial for maintaining structural integrity and ensuring the safety of individuals nearby.