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4.0 Pre-Mining Surface Survey <br /> The pre-mining surface survey is designed to meet the baseline site characterization requirements of Rule 6.4.3 and Rule <br /> 6.5. High-resolution LiDAR,drone photogrammetry,and ground-based total station surveys provide comprehensive data <br /> on topography and geological features. This data serves as the foundation for slope stability analysis and ensures compli- <br /> ance with the geotechnical requirements outlined in Rule 6.5. <br /> 4.1 Survey Objectives <br /> The primary objective of the pre-mining surface survey is to gather detailed information about the site's topography and <br /> geological features. This data will be used to: <br /> • Establish Baseline Conditions:Document the natural state of the land,including surface elevations,contours,drain- <br /> age patterns,and any geological anomalies. This baseline will allow for the accurate comparison of changes throughout <br /> the mining process. <br /> • Support Slope Stability Planning:Map out slope angles and profiles to inform slope design,ensuring stability during <br /> excavation. The survey will help identify areas where additional measures,such as benching or reinforcement,may be <br /> required to mitigate potential risks of landslides or erosion. <br /> • Facilitate Operational Planning: Create detailed topographical maps that will assist in the design and layout of access <br /> roads,haul routes,and pit areas. This ensures that mining equipment can be deployed effectively with minimal envi- <br /> ronmental disruption. <br /> • Enhance Water Management: By analyzing surface runoff and drainage patterns,the survey will help inform the de- <br /> sign of drainage systems that prevent water accumulation,erosion,and potential contamination of local water sources. <br /> 4.2 Survey Methodology <br /> The survey will be conducted using the latest technologies in land surveying and geospatial analysis,including: <br /> • LIDAR(Light Detection and Ranging):Aerial LIDAR surveys will provide high-resolution,3D maps of the surface <br /> terrain,capturing even small changes in elevation and identifying subtle features that could affect slope stability. <br /> • Drone Photogrammetry: Drones equipped with high-resolution cameras will be used to conduct photogrammetric <br /> surveys. This will create a highly accurate 3D model of the site's surface,allowing for real-time updates and ongoing <br /> monitoring. <br /> • Ground-Based Total Station Surveys:In areas where precise measurements are critical(such as near slopes,water <br /> features,or access roads),total station equipment will be used to take exact measurements of slope angles,elevation <br /> changes,and ground conditions. <br /> • GPS and GIS Integration: Global Positioning System(GPS) technology will be used to accurately locate survey points, <br /> and Geographic Information System(GIS) software will be employed to analyze the data and create detailed maps. <br /> 4.3 Risk Management and Planning <br /> Data collected during the pre-mining surface survey will be used to identify potential risks associated with surface instabil- <br /> 5 <br /> HARDROCK/METAL MINING REGULAR(112)APPLICATION Au Pt Industries LLC I PO Box 1424-Edwards,Colorado 81632 1970 306 1 784 <br />