SGD11 outlines the process, procedures, and requirements to follow to lawfully remove survey marks and preserve the integrity of the State Control Survey Network and NSW Cadastre.
This major update comes in response to recent changes in the surveying industry including:
- the introduction of GDA2020,
- the adoption of rigorous uncertainty in SCIMS,
- improvements in the overall Preservation of Survey Infrastructure (POSI) process, and
- updates to other relevant Surveyor-General Directions.
Survey marks are used to support the surveying of property boundaries. They are also integral for other land surveys, road building, mapping, and engineering. The loss of survey marks can significantly degrade the integrity of legal property boundaries and negatively impact development projects that depend on position and height.
SGD11 and associated documentation can be accessed via the link below:
https://www.spatial.nsw.gov.au/surveying/surveyor_generals_directions
Users can also contact DCS Spatial Services for any clarifications or questions related to the Direction via our user-friendly Customer Hub:
https://customerhub.spatial.nsw.gov.au/servicedesk/customer/portals
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