Official surveying; Floor covering DM01AVZH24

Land cover is comprehensively covered and differentiated by species such as meadow, forest, water bodies, buildings, roads, etc. The federal land cover types have been extended for the canton of Zurich. Data model: DM01AVZH24 (compensation also as DM01AVCH24D and MOpublic) Content: Floor covering areas, building number, object name, object number Update: Projected buildings are recorded from the date of the building approval and are carried out within one year after completion. Non-authorised objects are updated every 8 years with periodic follow-up. Further information such as survey criteria, accuracy and detailing are described in the instruction AV05, the degree of detail of the official survey. The accuracy specified in the chapter “Extension/reference system/scale” refers only to the accuracy of the reference system. The point accuracy of the ground cover information level is laid down in Article 29 of the Technical Ordinance of the VBS on Official Surveying (TVAV). TVAV DXF layer definition according to data reference model Geobau (Norm SN 612 020)