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To shoot grade on manholes using offset survey stakes, first establish a reference point at the desired elevation for the manhole rim. Place offset stakes at a predetermined distance from the manhole location, ensuring they are level with the reference point. Use a level or laser to check the height of the stakes and adjust them as needed to match the reference elevation. Finally, measure the difference in height from the stakes to the manhole to determine the necessary adjustments for grading.

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1mo ago

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