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Mining and Quarrying Safety and Health Regulation 2017
sec.80Survey grid system
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sec.80 Survey grid system
The site senior executive for a mine must ensure— a datum station is established near the mine for mine surveys and referenced to GDA and AHD; and if a local grid system is used for the surveys, the relationship between the grid system and GDA is established and shown on the survey plans. s 80 amd 2019 SL No. 140 s 21 sch 1
- (a) a datum station is established near the mine for mine surveys and referenced to GDA and AHD; and
- (b) if a local grid system is used for the surveys, the relationship between the grid system and GDA is established and shown on the survey plans.