What is the length of the Third Order Accuracy Survey Control Monument?

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Multiple Choice

What is the length of the Third Order Accuracy Survey Control Monument?

The length of a Third Order Accuracy Survey Control Monument is 120 cm. This 1.2-meter length is the standard dimension chosen to provide a sturdy, durable reference point that can be reliably recovered for long-term surveys. The extra length allows adequate embedment and concrete cover, making the monument resistant to disturbance and easy to locate with surveying instruments over time. Shorter lengths are more prone to disturbance or damage and do not meet the established practice for this order, while 100 cm or other shorter options don’t align with the standard specification for Third Order control monuments.

The length of a Third Order Accuracy Survey Control Monument is 120 cm. This 1.2-meter length is the standard dimension chosen to provide a sturdy, durable reference point that can be reliably recovered for long-term surveys. The extra length allows adequate embedment and concrete cover, making the monument resistant to disturbance and easy to locate with surveying instruments over time. Shorter lengths are more prone to disturbance or damage and do not meet the established practice for this order, while 100 cm or other shorter options don’t align with the standard specification for Third Order control monuments.

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