Legislative Notice of Amendments to the 'Cadastral Survey Enforcement Rules' and 'Cadastral Work Processing Regulations'
Error Range of Cadastral Survey Reduced from 36cm~180cm to 24cm~120cm
The margin of error for cadastral surveying will be reduced from 36cm~180cm to 24cm~120cm. By introducing digital methods to reduce the margin of error, various disputes surrounding land boundaries are also expected to decrease.
On the 18th, the Ministry of Land, Infrastructure and Transport announced that it will give public notice of the proposed amendments to the "Cadastral Survey Enforcement Rules" and the "Cadastral Work Processing Regulations" from the 23rd of this month until November 4th.
The public notice aims to promote the reduction of allowable surveying error margins and the mandatory confirmation of land boundaries. It seeks to move away from traditional surveying methods that have used paper maps and measuring tapes for the past 100 years, and instead introduce computerized maps and drone surveying to enhance the consistency of surveys.
Until now, cadastral surveying procedures based on paper maps had an error margin of 36cm~180cm. Therefore, even if a subsequent surveyor installed boundary markers within 36cm in any direction from the location marked by the preceding surveyor, it was not considered problematic. However, such errors have been a factor causing boundary disputes with neighboring landowners.
Through this public notice, the Ministry of Land plans to improve the recognized margin of error for cadastral survey results from the existing 36cm~180cm to 24cm~120cm. This aims to increase surveying accuracy and reduce the possibility of boundary disputes.
An environment to improve surveying accuracy will also be established by introducing electronic plat boards and drone surveying. Additionally, all surveys will be required to investigate the historical surveying records and results of the target land and adjacent lands using measurement software, record these on the resulting maps, and determine survey results based on past survey data. This is intended to enhance the consistency of subsequent survey results and reduce causes of civil complaints.
The Ministry of Land has been working on digitizing cadastral maps in the land register since 1982, completing this by 2005. Based on this, electronic plat boards and satellite positioning systems (GNSS) were introduced in 2008, and last year, drones were permitted for use in cadastral surveying.
Park Geon-su, Director of the Land Information Policy Bureau at the Ministry of Land, said, "This institutional improvement is significant in that it establishes a foundation for reducing the margin of error in cadastral survey results to ensure consistency and accuracy, and for the introduction, utilization, and expansion of new technologies such as drones and electronic plat boards."
The full text of the amendment can be viewed from the 23rd on the Ministry of Land’s website under 'Policy Data - Legal Information - Public Notice of Legislation and Administrative Notices.' Opinions on the amendment can also be submitted by mail or through the website.
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