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  • Users: tjmh
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  1. tjmh

    pipe through unstable soil

    Owner's Objection: unknown but firm. Frost depth: 42". Cath. Prot.: still considering alternatives, feel free to offer ideas. Is HDPE resistant to hydrocarbons? DIP allowed to deflect at joints.
  2. tjmh

    pipe through unstable soil

    I'm looking for information (design aids) related to the design of ductile iron pipe with restrained joints through areas of unstable (organic)soil. Pipe is 8" to 12" water main, 5' of cover required and length of organic soil to cross is 300' to 600'. Organic deposit is approx. 13'...

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