VERTCRS["Piraeus height",
    VDATUM["Piraeus Harbour 1986"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["Greece - onshore."],
        BBOX[34.75,19.57,41.75,29.69]],
    ID["EPSG",5716]]