If a monument is set in concrete, what is the minimum diameter for the concrete?

The correct answer is that the minimum diameter for the concrete surrounding a monument set in concrete is 4 inches. This standard is typically established to ensure stability and visibility of the monument while providing adequate support. A 4-inch diameter allows for effective anchoring of the monument, reducing the likelihood of shifting or movement due to environmental factors like soil erosion or frost heave.

Understanding the purpose of adequate monument sizing is critical, as monuments serve as permanent reference points in land surveying. If the concrete were to be smaller than 4 inches, it might not provide sufficient support or protection, potentially compromising the integrity of the monument. Larger diameters, while providing extra stability, are not necessary for the purpose of marking land boundaries, making 4 inches the most efficient and practical choice in this context.