Survey Symbols Practice Test

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On survey drawings, what does the abbreviation MH stand for?
Correct Answer:
Manhole
Explanation:
MH is used on survey drawings to indicate a Manhole. Manholes are access points to underground utilities like sewers or drainage lines, allowing maintenance and inspection from above ground. The label helps crews locate these access points quickly during surveys or construction. The other terms aren’t standard labels for plan notation in this context (Main Hazard, Meter Hole, Material Holder), so they don’t fit as well.

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