Permanent points of known or assumed elevation from which surveyors can establish grade are called ________.

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Multiple Choice

Permanent points of known or assumed elevation from which surveyors can establish grade are called ________.

Explanation:
A benchmark is a permanent reference point with a known or precisely determined elevation that surveyors use to establish grade. Because benchmarks are durable and have fixed elevations, they provide a stable starting point to transfer elevations to the project as grading and construction proceed. Stakes are temporary markers used to guide specific tasks and can be moved or removed. A profile is a vertical cross-section showing elevations along a line, not a single reference point. Backslope refers to a slope direction or grade, not a reference point. So the correct term is benchmark.

A benchmark is a permanent reference point with a known or precisely determined elevation that surveyors use to establish grade. Because benchmarks are durable and have fixed elevations, they provide a stable starting point to transfer elevations to the project as grading and construction proceed. Stakes are temporary markers used to guide specific tasks and can be moved or removed. A profile is a vertical cross-section showing elevations along a line, not a single reference point. Backslope refers to a slope direction or grade, not a reference point. So the correct term is benchmark.

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