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SOUTH AFRICAN GEOMATICS INSTITUTE

SAGI The Home of Spatial Professionals

SAGI is a Public Benefit Organisation focusing on the business aspects of registered experts in the fields of Land Surveying, Engineering Surveying, GISc, Planning, Land Management, Photogrammetry and Remote Sensing – commonly now termed Geomatics.

SAGI members are experts in the fields of land surveying, engineering surveying, planning, photogrammetry, remote sensing, geographical information system (GIS) and land management.

All SAGI members meet strict criteria before membership is granted. Members deal in a wide sector of industries involving matters in Property, Engineering, Construction, Consulting, Water, Space, Mining, Aerial and GIS.

SAGI has a code of Conduct for members and in addition, all SAGI members are statutorily registered with the South African Geomatics Council. We recommend that the Public, Government and other professionals always protect themselves and employ the services of a registered practitioner.

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Land audits, Investigations, Title Deeds and certificates
“The purpose of the science of measurement is to create order! Without the ability to measure there will be chaos. Imagine not having standardized lengths, areas, heights, or the ability to spatially position objects within space. In such circumstances an owner of landed property (property) will for example not know what property he/she owns, where it is positioned, what the size thereof is, or what legislation finds application.
Spatial and Land Rights specialist
The Professional Land Surveyor will do an investigation which will confirm ownership, encumbrances or restrictions in title deeds, zoning compliance, whether building plans are approved and reflects the actual buildings constructed, confirm boundaries and encroachments and supply a detailed land audit report and/or beacon certificate.
Drone / Aerial Mapping
A drone is simply a Technology commonly associated with an Aerial Mapping exercise. Aerial Mapping can also be done by other means – the result is all the same, a Mapping exercise based on survey principles of photogrammetry to create a picture/topographical map of the area and provide for the creation of Countors. Drones just happen to be a cheaper resource cost that getting a large aircraft in the air.
Road, Pipeline and Powerline Surveys
Surveyors play a vital role in the road, pipeline or powerline process by firstly producing the necessary topographical plans and property overlays that allow for the informed engineering design but also manage the spatial process during and post construction so that proper plans and maps are produced of the infrastructure.
Cadastral Surveys
The Subdivision and Consolidation of land can only be undertaken through the services of a Professional Land Surveyor who prepares the necessary records (planning and Survey) in terms of the requirements of the Land Survey Act and other legislation
Geographic Information Services
A Professional GISc practitioner or a GISc Technologist is involved in any company, organisation or organ of state that has spatial data needs. Data, both visual and non-visual is a valuable commodity which can be enhanced in one’s business to improve efficiencies, decision making and profits / returns.
Beacon - Boundary and Encroachment Surveys
The Planning, Creation and Maintenance of Property requires the services of a Professional Land Surveyor – by Law. If you require a Subdivision, Consolidation, Land Audit Report, Planning application, Beacon Relocation, Removal of Restrictive Conditions in Title Deeds, then you need the expertise and services of a Professional Land Surveyor.
Sectional Title Surveys
Professional land Surveyors, in terms of the Sectional Titles Act, establish the sectional title scheme and deal with all the issues of changes to the complex/estate/scheme over time. Owners of sections in a sectional title scheme, as with freehold property, continuously make improvements and alterations and these changes need recording and updating on the relevant sectional title plans so that your investments remain protected.
SPLUMA : Development / Planning Applications
A Professional Land Surveyor is the only person legally allowed to make SPLUMA applications (or any other law) in respect of property rights that are to be registered in terms of any law. Such could be a rezoning, subdivision, consolidation, side space relaxations, removal of restrictions or any other SPLUMA application.
Topographical Surveys
A topographical survey is an accurate depiction of a site (property, area of land, defined boundary) which is scaled and detailed to show all the natural and manmade features and their levels (height). A topographical survey is highly detailed and requires the involvement of geomatics professionals to ensure the accuracy of the data provided. This data is supplied on a plan in either hard copy or electronic format and can be directly imported into a GIS system. Engineers, planners, architects and other professionals use this data for planning, design and decision making purposes.
3D Laser Scanning Surveys
LIDAR is the terminology used in the survey business for what people call a “Laser scanning survey”. Lidar is always in 3D and can be conducted at ground level, below ground or aerially.
Buildings Information Management Systems (BIM)
The development of either residential, office, Retail or Industrial buildings is strictly regulated by means of Building Codes and represent significant financial costs.

Announcements and Insights

IMIESA
Papers
Land surveyors – the pioneers of precision
November 1, 2023
Papers
LAYPERSON’S GUIDE TO THE ROLE AND FUNCTION OF A PROFESSIONAL LAND SURVEYOR IN SOCIETY
October 3, 2023
Papers
The science and art of surveying
September 18, 2023
IMIESA
Defining the natural ground level is the foundation for approved development
July 13, 2023
GENERAL PUBLIC NOTICE: DISTINCTION BETWEEN REGISTERED AND UN‐REGISTERED GEOMATICS PRACTITIONERS
July 6, 2023
Papers
Survey, Mapping and GIS Principles
May 9, 2023
Papers
GROUND CONTROL
May 3, 2023
Sectional Titles
1 Sectional Titles - Act compliance
April 11, 2023
IMIESA
The pitfalls and acts that affect Sectional Title Schemes
April 11, 2023
Papers
Survey Specifications
February 1, 2023
IMIESA
Pros and cons of Sectional Title and Full Ownership
February 1, 2023
IMIESA
Surveying is an exact science
February 1, 2023
IMIESA
Underground utility scanning and mapping
January 19, 2023
Papers
Ground control over long distances
January 18, 2023
IMIESA
The future of surveying
January 18, 2023
Papers
Aerial & Lidar Surveys
January 17, 2023
IMIESA
Infrastructure designs start with surveys
January 17, 2023
IMIESA
Cadastral surveying: What is it and why do we need it?
January 17, 2023
IMIESA
Big data and digital twins are old news for surveyors
January 17, 2023
Farmers Weekly
The basics of subdividing Article - Part 1
November 24, 2022
Farmers Weekly
The basics of subdividing Article - Part 2
November 24, 2022
Farmers Weekly
The basics of subdividing Article – Part 3
November 24, 2022
Sectional Titles
Sectional Titles Schemes Management Act 8 of 2011
April 22, 2022

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