Advanced Exploration Technical Proposal Roughrider Property Rio Tinto Canada Uranium Corp. Submitted by: Rio Tinto Canada Uranium Corporation 233 Faithful Crescent Saskatoon, Sask. S7K 8H7 Submitted to: Saskatchewan Ministry of Environment July 2013 Roughrider Advanced Exploration Technical Proposal Page 2 Table of Contents Application (Submitted electronically with the technical proposal to [email protected]) 1 Reason for Submission ............................................................................................... 6 1.1 Introduction ....................................................................................................................... 6 1.2 Purpose of Submission ...................................................................................................... 6 2 Proposed Advanced Exploration ................................................................................ 8 2.1.1 Roughrider Property ................................................................................................................ 8 2.1.2 Project Location ....................................................................................................................... 8 2.1.3 Scope of Project .................................................................................................................... 11 2.1.4 Need for the Program ............................................................................................................ 11 2.1.5 Program Schedule ................................................................................................................. 12 2.1.6 Program Operators ................................................................................................................ 14 2.1.7 Site Management .................................................................................................................. 14 3 Regulatory Context .................................................................................................... 15 3.1 Provincial ......................................................................................................................... 15 3.1.1 Saskatchewan Environmental Assessment Act .................................................................... 15 3.1.2 Saskatchewan Acts, Regulations & Guidelines .................................................................... 16 3.1.3 Provincial Permitting .............................................................................................................. 17 3.2 Federal ............................................................................................................................ 18 3.2.1 Nuclear Safety & Control Act................................................................................................. 18 3.2.2 Navigable Waters Protection Act .......................................................................................... 20 3.2.3 Migratory Birds Conservation Act .......................................................................................... 20 3.2.4 Species at Risk Act ............................................................................................................... 20 3.2.5 Explosives Act ....................................................................................................................... 21 3.2.6 Canadian Transportation Act................................................................................................. 21 3.2.7 Indian Act and Natural Resource Act .................................................................................... 21 3.2.8 Fisheries Act .......................................................................................................................... 21 3.2.9 Federal Policy on Wetland Conservation .............................................................................. 22 4 Summary of Historical Property Activities .............................................................. 23 4.1 Exploration History .......................................................................................................... 23 4.2 Tenure ............................................................................................................................. 24 4.2.1 Surface Tenure ...................................................................................................................... 24 4.2.2 Mineral Tenure ...................................................................................................................... 25 4.3 Current Site Condition ..................................................................................................... 25 5 Proposed Advanced Exploration Program .............................................................. 27 5.1 Project Alternatives Considered....................................................................................... 27 5.1.1 Surface Exploration Drilling vs. Underground Exploration Drilling ........................................ 27 5.1.2 Shaft vs. Decline ................................................................................................................... 28 5.1.3 Treated Effluent Discharge Location ..................................................................................... 28 5.2 Proposed Project ............................................................................................................. 33 5.3 Site Plan .......................................................................................................................... 34 5.4 Shaft & Drift ..................................................................................................................... 36 5.4.1 Shaft ...................................................................................................................................... 36 5.4.2 Drifting ................................................................................................................................... 36 5.4.3 Underground Water Management ......................................................................................... 37 5.4.4 Ventilation .............................................................................................................................. 37 5.4.5 Underground Equipment ....................................................................................................... 38 RR_Ad Ex _Tech_Proposal Final.docx July 2013 Roughrider Advanced Exploration Technical Proposal Page 3 5.5 Development Rock Management ..................................................................................... 38 5.5.1 Introduction ............................................................................................................................ 38 5.5.2 Development Rock Characterization ..................................................................................... 39 5.5.3 Volume Estimates ................................................................................................................. 40 5.5.4 Clean Rock Management ...................................................................................................... 40 5.5.5 Mineralized Rock Management ............................................................................................. 41 5.6 Underground Exploration Program .................................................................................. 41 5.7 Support Infrastructure ...................................................................................................... 41 5.7.1 Explosives Magazine ............................................................................................................. 41 5.7.2 Dry & Administration .............................................................................................................. 42 5.7.3 Electricity ............................................................................................................................... 42 5.7.4 Concrete Batch Plant ............................................................................................................ 42 5.7.5 Freeze Plant .......................................................................................................................... 42 5.7.6 Hazardous Substance Storage & Use .................................................................................. 43 5.7.7 Site Propane Fuel .................................................................................................................. 43 5.7.8 Site Lubricants and Coolants ................................................................................................ 44 5.8 Site Water Management .................................................................................................. 44 5.8.1 Freshwater Use & Source ..................................................................................................... 44 5.8.2 Site Runoff ............................................................................................................................. 45 5.8.3 Site Water Recycling ............................................................................................................. 45 5.8.4 Site Water Treatment ............................................................................................................ 45 5.9 Site Air Emissions ........................................................................................................... 46 5.10 Associated Infrastructure