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JayStar1213 t1_izff7mp wrote

5' is code in Northern MN, Ottawa is basically 6' but I agree. That is very deep, probably has more to do with savings on digging one deeper trench to install water + electrical than having to do with the frost line

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Llohr t1_izh70as wrote

From Northern MN down to Nebraska the vast majority of water lines I've worked around have been more than 5' deep.

Code is probably 5' minimum but it's normal to be below that, often well below that.

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Direct-Effective2694 t1_izh7oge wrote

Here in Metro Detroit it’s all 5’6. Some places further north are 6’ and 6’6.

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JayStar1213 t1_izhbdrr wrote

Yea but we're talking barn to house. Not utility main

In any case yea 6' is reasonable but it seems deep for this scenario

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