You are a surveyor in charge of the Ravenswood Gold Mine site which is operated by the Ravenswood Gold Group. You have been instructed to investigate the option of bringing a contracting company to the site to use an Unmanned Aerial Vehicle (UAV) to collect and integrate 3D point cloud data for the preparation of a 3D topographical model and monitoring subsidence of the mine site.

a) Detail your considerations in complying with current Work Health and Safety legislation for this trial. (15 marks)

b) Justify which UAV you would utilize to ensure the necessary accuracy for this job. (15 marks)

c) Discuss the procedure to capture data and create a 3D point, cloud model. (30 marks)

d) Discuss the method to monitor subsidence. (20 marks)

e) Discuss the pros and cons of this technology in comparison to traditional methods such as total station and GNSS. (20 marks)