ASTM WK72003

    Revision of D2321 - 18 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications

    (What is a Work Item?)

    Active Standard: D2321 - 20

    Developed by Subcommittee: F17.62 | Committee F17 | Contact Staff Manager



    backfill; bedding; compaction; embedment; haunching; migration; sewer pipe; soil stiffness; thermoplastic; underground installation;;


    The standard currently does not include well defined definitions for the final backfill, initial backfill and the embedment zone. The figure (Figure 1) will be clarified and redefined and appropriate descriptions provided in the terminology section and throughout the document for these zones with their appropriate material and compaction.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    John Kurdziel

    Draft Under Development