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The Survey and Mapping Office (SMO) of the Lands Department is the land survey, mapping and geospatial authority in Hong Kong.

 

The major responsibilities of SMO are as follows:

 
  • establishment and maintenance of the territory-wide geodetic network and the satellite positioning reference station network system;
  • provision of land boundary surveys, aerial survey, photogrammetric survey as well as cartographic and reprographic services;
  • maintenance of the land information system for digital maps and databases with land information and geospatial data;
  • production and revision of maps and plans at different scales for different purposes;
  • provision of web map / geospatial information services to government bureaux/departments and the public;
  • street naming;
  • administration of the Land Survey Ordinance (Cap. 473);
  • development of 3D Digital Map;
  • development of BIM Data Repository;
  • establishment and maintenance of Common Spatial Data Infrastructure Framework Spatial Data standards; and
  • development and maintenance of Common Spatial Data Infrastructure Platform and Portal