{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"KOC CD height","datum":{"type":"VerticalReferenceFrame","name":"KOC Construction Datum"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"KOC survey control and facilities engineering.","area":"Kuwait - onshore.","bbox":{"south_latitude":28.53,"west_longitude":46.54,"north_latitude":30.09,"east_longitude":48.48},"id":{"authority":"EPSG","code":5790}}