Code
    AS/NZS 4999:2006
    Name
    PVC-U maintenance shafts
    Description
    Specifies design and manufacture requirements for 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
    28 Mar 2006
    Expiry Date
    1 Jan 2030