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  • Users: ErHen
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  1. ErHen

    Water main crossing insulation practices

    First post! I'm curious what standards/best practices are for when to install direct bury insulation over water mains that cross storm/sanitary pipe. In MN we have a minimum 7.5 of cover for frost protection and the typical standards of 18" separation with pipe crossings. But when a 6-10" WM...

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