VERTCRS["KOC CD height",
    VDATUM["KOC Construction Datum"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["KOC survey control and facilities engineering."],
        AREA["Kuwait - onshore."],
        BBOX[28.53,46.54,30.09,48.48]],
    ID["EPSG",5790]]