Code
    AS/NZS 4999:2003
    Name
    PVC-U maintenance shafts
    Description
    This Interim Standard specifies design and manufacture of a PVC-U maintenance shaft (MS) comprising a fabricated or injection moulded, or both, chamber jointed to an extruded PVC riser.
    WM Specification
    No
    Adoption Date
    31 Mar 2003
    Expiry Date
    28 Mar 2006