red mountain underground gold project volume 1 … · environmental assessment application and...

ENVIRONMENTAL ASSESSMENT APPLICATION AND ENVIRONMENTAL IMPACT STATEMENT

IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT i

RED MOUNTAIN UNDERGROUND GOLD PROJECT

VOLUME 1 EXECUTIVE SUMMARY

Table of Contents

1 Introduction and Context ............................................................... 1

2 Project Overview ............................................................................ 4 2.1 Proponent ........................................................................................................................... 4

2.2 Need and Purpose of the Project ........................................................................................ 4

2.3 Regional Context ................................................................................................................. 5

2.4 Project History .................................................................................................................... 5

2.5 Project Phases ..................................................................................................................... 6

2.6 Economic Benefits .............................................................................................................. 6

2.7 Project Capital and Operating Costs ................................................................................... 7

2.8 Regional and Site Geology .................................................................................................. 7

2.9 Mineral Resource ................................................................................................................ 8

2.10 Metal Leaching / Acid Rock Drainage ................................................................................. 8

2.11 Construction Overview ....................................................................................................... 9

2.12 Overview of Major Project Infrastructure ........................................................................ 10

2.12.1 Access Road and Haul Road ................................................................................. 10

2.12.2 Power Supply ....................................................................................................... 11

2.12.3 Borrow Pits and Quarry Sites ............................................................................... 11

2.12.4 Process Plant ........................................................................................................ 11

2.12.5 Ancillary Buildings and Structures ....................................................................... 12

2.13 Mining Method ................................................................................................................. 12

2.14 Mineral Processing ............................................................................................................ 13

2.15 Waste Rock and Tailings Management ............................................................................. 14


ii | TABLE OF CONTENTS SEPTEMBER 2017

2.16 Water Management.......................................................................................................... 15

2.17 Waste Management ......................................................................................................... 16

2.18 Environmental Management ............................................................................................ 16

2.19 Closure and Reclamation .................................................................................................. 17

2.19.1 Underground Mine .............................................................................................. 17

2.19.2 Tailings Management Facility .............................................................................. 18

2.19.3 Other Project Components .................................................................................. 19

3 Alternative Means of Carrying out the Project ............................. 20

4 Assessment Process ..................................................................... 22 4.1 Provincial and Federal Environmental Assessment Requirements .................................. 22

4.1.1 Provincial Environmental Assessment Process .................................................... 22

4.1.2 Federal Environmental Assessment Process ....................................................... 23

4.2 Nisga’a Final Agreement ................................................................................................... 23

4.3 Applicable Permits ............................................................................................................ 23

5 Information Distribution and Consultation Overview .................. 28 5.1 Aboriginal Engagement and Consultation ........................................................................ 28

5.2 Government Agency Engagement and Consultation ........................................................ 37

5.3 Public Engagement and Consultation ............................................................................... 38

6 Assessment Methodology ............................................................ 43

7 Potential Effects, Mitigation, and Significance of Residual Effects .......................................................................................... 46 7.1 Air Quality Effects Assessment ......................................................................................... 46

7.1.1 Setting .................................................................................................................. 46

7.1.2 Assessment .......................................................................................................... 46

7.2 Noise Effects Assessment ................................................................................................. 48

7.2.1 Setting .................................................................................................................. 48

7.2.2 Assessment .......................................................................................................... 48

7.3 Landforms and Natural Landscapes Effects Assessment .................................................. 49

7.3.1 Setting .................................................................................................................. 49

7.3.2 Assessment .......................................................................................................... 50

7.4 Hydrogeology Effects Assessment .................................................................................... 51

7.4.1 Setting .................................................................................................................. 51


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT iii

7.4.2 Assessment .......................................................................................................... 52

7.5 Groundwater Quality Effects Assessment ........................................................................ 53

7.5.1 Setting .................................................................................................................. 54

7.5.2 Assessment .......................................................................................................... 54

7.6 Hydrology Effects Assessment .......................................................................................... 55

7.6.1 Setting .................................................................................................................. 56

7.6.2 Assessment .......................................................................................................... 56

7.7 Surface Water Quality Effects Assessment ....................................................................... 57

7.7.1 Setting .................................................................................................................. 58

7.7.2 Assessment .......................................................................................................... 58

7.8 Sediment Quality Effects Assessment .............................................................................. 59

7.8.1 Setting .................................................................................................................. 59

7.8.2 Assessment .......................................................................................................... 60

7.9 Vegetation and Ecosystems Effects Assessment .............................................................. 61

7.9.1 Setting .................................................................................................................. 61

7.9.2 Assessment .......................................................................................................... 61

7.10 Wildlife and Wildlife Habitat Effects Assessment ............................................................. 64

7.10.1 Setting .................................................................................................................. 64

7.10.2 Assessment .......................................................................................................... 65

7.11 Aquatic Resources Effects Assessment ............................................................................. 66

7.11.1 Setting .................................................................................................................. 66

7.11.2 Assessment .......................................................................................................... 67

7.12 Fish and Fish Habitat Effects Assessment ......................................................................... 68

7.12.1 Setting .................................................................................................................. 68

7.12.2 Assessment .......................................................................................................... 68

7.13 Economic Effects Assessment ........................................................................................... 70

7.13.1 Setting .................................................................................................................. 70

7.13.2 Assessment .......................................................................................................... 71

7.14 Social Effects Assessment ................................................................................................. 72

7.14.1 Setting .................................................................................................................. 72

7.14.2 Assessment .......................................................................................................... 74

7.15 Heritage Effects Assessment ............................................................................................. 76

7.15.1 Setting .................................................................................................................. 76


iv | TABLE OF CONTENTS SEPTEMBER 2017

7.15.2 Assessment .......................................................................................................... 76

7.16 Health Effects Assessment ................................................................................................ 77

7.16.1 Setting .................................................................................................................. 77

7.16.2 Assessment .......................................................................................................... 77

7.17 Accidents and Malfunctions and Effects of the Environment on the Project .................. 78

7.17.1 Effects of the Environment on the Project .......................................................... 78

7.17.2 Accidents and Malfunctions ................................................................................ 79

8 Treaty and Aboriginal Interests Effects Assessment ..................... 81 8.1 Nisga’a Nation ................................................................................................................... 81

8.1.1 Setting .................................................................................................................. 81

8.1.2 Assessment .......................................................................................................... 82

8.2 Tsetsaut Skii km Lax Ha ..................................................................................................... 84

8.2.1 Setting .................................................................................................................. 84

8.2.2 Assessment .......................................................................................................... 85

8.3 Métis Nation BC ................................................................................................................ 86

8.3.1 Setting .................................................................................................................. 86

8.3.2 Assessment .......................................................................................................... 86

8.4 Assessment of Potential Effects to Current Use of Lands and Resources for Traditional Purposes ......................................................................................................... 87

8.4.1 Setting .................................................................................................................. 87

8.4.2 Assessment .......................................................................................................... 88

9 Environmental Management, Monitoring and Follow-up ............ 90

10 Conclusions .................................................................................. 92 10.1 Introduction ...................................................................................................................... 92

10.2 Summary of Aboriginal and Public Consultation .............................................................. 92

10.3 Summary of Residual and Cumulative Effects .................................................................. 93

10.4 Summary of Proposed Mitigation ..................................................................................... 93

10.5 Summary of Human Health Effects Assessment ............................................................... 94

10.6 Conclusion ......................................................................................................................... 94

11 References ................................................................................... 96


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT CHAPTER 1 | i


VOLUME 2 | CHAPTER 1 PROJECT OVERVIEW

Table of Contents

1 Project Overview ............................................................................ 1

1.1 Introduction ........................................................................................................................ 1

1.1.1 Proponent Information ....................................................................................... 1

1.1.2 Guiding Principles ............................................................................................... 4

1.1.3 Analysis of Need and Purpose of the Project ..................................................... 5

1.1.4 Regional Context ................................................................................................ 7

1.1.5 History ................................................................................................................ 9

1.1.6 Mineral Tenure ................................................................................................. 10

1.1.7 Current Exploration Activities ........................................................................... 14

1.1.8 Project Layout and Major Components ........................................................... 15

1.1.9 Project Phases .................................................................................................. 20

1.2 Project Setting and Design Considerations ....................................................................... 22

1.2.1 Physical, Climate, and Hydrology Setting ......................................................... 22

1.2.2 Geology and Mineralization ............................................................................. 23

1.2.3 Metal Leaching / Acid Rock Drainage ............................................................... 35

1.2.4 Geotechnical and Hydrogeological Considerations .......................................... 40

1.2.5 Terrain Stability and Geohazards ..................................................................... 45

1.2.6 Biophysical Environment .................................................................................. 48

1.2.7 Heritage Resources ........................................................................................... 56

1.2.8 Air Emissions ..................................................................................................... 56

1.2.9 Existing and Planned Land Use ......................................................................... 60



1.3 Regulatory Framework ..................................................................................................... 63

1.3.1 Changes to the Environment Resulting from a Federal Decision ..................... 67

1.3.2 Changes Outside of Canada .............................................................................. 67

1.4 Future Development ......................................................................................................... 67

1.4.1 Foreseeable Expansion of the Project .............................................................. 67

1.4.2 Potential Development of Additional Ore Material ......................................... 68

1.5 Economic Benefits ............................................................................................................ 68

1.5.1 Project Economics ............................................................................................ 68

1.5.2 Government Revenues ..................................................................................... 70

1.5.3 Employment ..................................................................................................... 70

1.5.4 Employment Strategy ....................................................................................... 73

1.5.5 Labour income .................................................................................................. 74

1.5.6 Contracting ....................................................................................................... 75

1.5.7 Work Schedule, Transportation, and Housing.................................................. 77

1.5.8 Training and Benefit Program........................................................................... 77

1.6 Construction Phase ........................................................................................................... 77

1.6.1 Construction Overview ..................................................................................... 78

1.6.2 Project Footprint .............................................................................................. 80

1.6.3 Access Road ...................................................................................................... 81

1.6.4 Mine Construction ............................................................................................ 93

1.7 Operation Phase ............................................................................................................. 121

1.7.1 Overview of Operation Phase Activities ......................................................... 121

1.7.2 Resources and Reserves ................................................................................. 121

1.7.3 Mining ............................................................................................................. 123

1.7.4 Mining Equipment .......................................................................................... 144

1.7.5 Power Supply and Fuel Supply / Storage ........................................................ 146

1.7.6 Communications Systems ............................................................................... 147

1.7.7 Explosives Storage during Operation ............................................................. 147

1.7.8 Chemical and Hazardous Materials Other than Fuel and Explosives ............. 148

1.7.9 Waste Management ....................................................................................... 148

1.7.10 Milling Process Description ............................................................................ 148

1.7.11 Tailing Management System .......................................................................... 160

1.7.12 Water Management ....................................................................................... 164


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT CHAPTER 1 | iii

1.7.13 Other Infrastructure Required for Operations ............................................... 185

1.8 Environmental Monitoring ............................................................................................. 186

1.9 Project Design Changes................................................................................................... 186

1.10 References ...................................................................................................................... 189




VOLUME 2 | CHAPTER 2 ASSESSMENT PROCESS

Table of Contents

2 Assessment Process ....................................................................... 1

2.1 Introduction ........................................................................................................................ 1

2.2 Cooperative Federal and Provincial EA Process.................................................................. 1

2.3 Provincial Environmental Assessment ................................................................................ 1

2.3.1 Requirements......................................................................................................... 1

2.3.2 Regulations ............................................................................................................ 2

2.3.3 Policies and Guidance Documents ......................................................................... 3

2.3.4 Process ................................................................................................................... 3

2.4 Federal EA Process .............................................................................................................. 8

2.4.1 Requirements......................................................................................................... 8

2.4.2 Regulations ............................................................................................................ 8

2.4.3 Policies and Guidance Documents ......................................................................... 9

2.4.4 Process ................................................................................................................... 9

2.5 Nisga’a Final Agreement ................................................................................................... 14

2.6 Participation by Government, Aboriginal Groups, and the Public ................................... 19

2.6.1 Government Agency Engagement and Consultation........................................... 19

2.6.2 Aboriginal Engagement and Consultation ........................................................... 19

2.6.3 Public Engagement and Consultation .................................................................. 21

2.7 References ........................................................................................................................ 22




VOLUME 2 | CHAPTER 3 INFORMATION DISTRIBUTION AND CONSULTATION OVERVIEW

Table of Contents

3 Information Distribution and Consultation Overview .................... 1

3.1 Introduction ........................................................................................................................ 1

3.2 Regulatory and Policy Setting ............................................................................................. 1

3.2.1 Nisga’a Final Agreement ........................................................................................ 1

3.2.2 BC Environmental Assessment Act ........................................................................ 3

3.2.3 Canadian Environmental Assessment Act, 2012 ................................................... 5

3.3 Consultation Objectives ...................................................................................................... 6

3.4 Consultation Requirements ................................................................................................ 8

3.4.1 Provincial Consultation Requirements .................................................................. 8

3.4.2 Federal Consultation Requirements .................................................................... 12

3.5 Aboriginal Consultation .................................................................................................... 18

3.6 Public Consultation ........................................................................................................... 18

3.7 Government Agency Consultation .................................................................................... 18

3.7.1 Working Group Membership ............................................................................... 18

3.7.2 Consultation Summary ........................................................................................ 19

3.8 References ........................................................................................................................ 21




VOLUME 2 | CHAPTER 4 ALTERNATIVE MEANS OF UNDERTAKING THE PROJECT

Table of Contents

4 Alternatives Means of Undertaking the Project ............................ 1

4.1 Introduction ........................................................................................................................ 1

4.2 Method of Assessing Alternatives ...................................................................................... 1

4.2.1 Alternative Assessment Methodology ................................................................... 2

4.3 Discussion of Major (Tier One) Alternatives within the Project ......................................... 4

4.3.1 Mine Rate ............................................................................................................... 4

4.3.2 Access and Transportation Alternatives ................................................................ 6

4.3.3 Underground Mining Operations .......................................................................... 9

4.3.4 Waste Rock Management .................................................................................... 12

4.3.5 Mineral Processing Technology ........................................................................... 14

4.3.6 Tailings Management........................................................................................... 16

4.3.7 Power Supply ....................................................................................................... 25

4.3.8 Summary of Tier One Alternatives....................................................................... 27

4.4 Discussion of Tier Two Alternatives within the Project .................................................... 36

4.4.1 Site Selection for Buildings, Ancillary Facilities, and Laydown Areas .................. 36

4.4.2 Alternatives for Process Plant Location ............................................................... 37

4.4.3 Borrow Sites ......................................................................................................... 37

4.4.4 Water Management ............................................................................................ 40

4.4.5 Flooding of the Underground Workings .............................................................. 46

4.4.6 Summary of Tier Two Alternatives Analysis ........................................................ 48

4.5 References ........................................................................................................................ 52




VOLUME 2 | CHAPTER 5 CLOSURE AND RECLAMATION

Table of Contents

5 Closure and Reclamation ............................................................... 1

5.1 Introduction ........................................................................................................................ 1

5.1.1 Project Setting........................................................................................................ 1

5.1.2 Project History ....................................................................................................... 1

5.1.3 Project Overview.................................................................................................... 3

5.1.4 Project Phases ........................................................................................................ 6

5.1.5 Current Site Conditions .......................................................................................... 6

5.1.6 Geochemical Characterization of Mine Materials ................................................. 9

5.2 Applicable Legislation and Guidelines .............................................................................. 11

5.2.1 Provincial Legislation ........................................................................................... 11

5.2.2 Federal Legislation ............................................................................................... 12

5.3 Closure Objectives ............................................................................................................ 12

5.3.1 Objective 1: Design the Mine for Closure ............................................................ 13

5.3.2 Objective 2: Achieve Physical Stability ................................................................ 13

5.3.3 Objective 3: Achieve Chemical Stability ............................................................... 13

5.3.4 Objective 4: Consider Future Use and Aesthetics ............................................... 14

5.4 Reclamation Approaches .................................................................................................. 16

5.4.1 Soil Management Strategy .................................................................................. 16

5.4.2 Revegetation Strategy ......................................................................................... 21

5.5 Continual Updates ............................................................................................................ 23

5.6 Permanent Closure and Reclamation ............................................................................... 23

5.6.1 Decision to Close .................................................................................................. 23

5.6.2 Underground Mine Workings .............................................................................. 24



5.6.3 Tailings Management Facility .............................................................................. 26

5.6.4 Waste Rock and Ore Stockpile Pads .................................................................... 29

5.6.5 Buildings and Equipment ..................................................................................... 29

5.6.6 Roads ................................................................................................................... 29

5.6.7 Aggregate Sources ............................................................................................... 30

5.6.8 Pipelines and Powerlines ..................................................................................... 30

5.6.9 Water Management Systems .............................................................................. 31

5.6.10 Chemicals and Explosives .................................................................................... 31

5.6.11 Contaminated Site Investigation and Remediation ............................................. 31

5.6.12 Waste Management Sites .................................................................................... 32

5.7 Temporary Mine Closure .................................................................................................. 32

5.8 Progressive Reclamation ................................................................................................... 33

5.9 Expected Conditions Post-Closure .................................................................................... 33

5.9.1 Access Road ......................................................................................................... 34

5.9.2 Bromley Humps ................................................................................................... 34

5.9.3 Mine Portals ......................................................................................................... 34

5.10 Monitoring ........................................................................................................................ 34

5.10.1 Overview .............................................................................................................. 34

5.10.2 Physical Stability of Mine Hazards ....................................................................... 35

5.10.3 Chemical Stability................................................................................................. 35

5.10.4 Biological Monitoring ........................................................................................... 36

5.10.5 Reclamation Research Studies ............................................................................. 36

5.11 Schedule ............................................................................................................................ 37

5.12 Closure Cost Estimate ....................................................................................................... 37

5.12.1 Decommissioning Costs ....................................................................................... 37

5.12.2 Water Treatment Costs........................................................................................ 38

5.12.3 Monitoring Costs ................................................................................................. 39

5.12.4 Indirect Costs ....................................................................................................... 39

5.12.5 Total Cost ............................................................................................................. 39

5.13 References ........................................................................................................................ 40




VOLUME 3 | CHAPTER 6 EFFECTS ASSESSMENT METHODOLOGY

Table of Contents

6 Effects Assessment Methodology .................................................. 1

6.1 Approach and Issues Scoping.............................................................................................. 1

6.1.1 Approach and Regulatory Context ......................................................................... 1

6.1.2 Issues Scoping ........................................................................................................ 2

6.2 Selection of Intermediate and Valued Components and Intermediate Components ........ 3

6.2.1 Selection of Valued Components and Intermediate Components by Assessment Chapter .................................................................................................................. 3

6.2.2 Selection of Measurement Indicators ................................................................... 8

6.3 Assessment Boundaries ...................................................................................................... 9

6.3.1 Spatial Boundaries ............................................................................................... 10

6.3.2 Temporal Boundaries ........................................................................................... 12

6.3.3 Administrative and Technical Boundaries ........................................................... 13

6.4 Existing Conditions ............................................................................................................ 13

6.4.1 Regional Overview and Historical Activities ........................................................ 14

6.4.2 Baseline Studies ................................................................................................... 14

6.4.3 Data Sources ........................................................................................................ 15

6.4.4 Methods ............................................................................................................... 16

6.4.5 Current Conditions ............................................................................................... 16

6.5 Potential Effects ................................................................................................................ 16

6.6 Mitigation Measures ......................................................................................................... 17

6.6.1 Key Mitigation Approaches .................................................................................. 25

6.6.2 Environmental Management and Monitoring Plans ........................................... 26

6.6.3 Effectiveness and Timing of Mitigation Measures............................................... 27

6.7 Characterization of Residual Effects ................................................................................. 28



6.7.1 Residual Project Effects Analyses ........................................................................ 28

6.7.2 Characterizing Residual Effects ............................................................................ 28

6.8 Likelihood .......................................................................................................................... 31

6.9 Proponent’s Determination of Significance ...................................................................... 32

6.10 Confidence and Risk .......................................................................................................... 33

6.11 Summary of Residual Effects Assessment ........................................................................ 34

6.12 Cumulative Effects Assessment ........................................................................................ 35

6.12.1 Cumulative Effects Assessment Boundaries ........................................................ 35

6.12.2 Identifying Past, Present, or Reasonably Foreseeable Projects and/or Activities ............................................................................................................... 36

6.12.3 Conducting a Cumulative Effects Assessment ..................................................... 56

6.13 Follow-up Strategy ............................................................................................................ 59

6.14 References ........................................................................................................................ 60




VOLUME 3 | CHAPTER 7 AIR QUALITY EFFECTS ASSESSMENT

Table of Contents

7 Air Quality Effect Assessment ........................................................ 1

7.1 Introduction ........................................................................................................................ 1


7.3 Scope of the Assessment .................................................................................................... 7

7.3.1 Information Sources .............................................................................................. 7

7.3.2 Input from Consultation ........................................................................................ 7

7.3.3 Intermediate Components, Assessment Endpoints, and Measurement Indicators ............................................................................................................... 9

7.3.4 Assessment Boundaries ....................................................................................... 10


7.4.1 Overview of Existing Conditions .......................................................................... 12

7.4.2 Past and Current Projects and Activities.............................................................. 14

7.4.3 Project-Specific Baseline Studies ......................................................................... 14

7.4.4 Baseline Characterization .................................................................................... 15


7.5.1 Methods ............................................................................................................... 19

7.5.2 Project Interactions ............................................................................................. 21

7.5.3 Discussion of Potential Effects ............................................................................. 24




7.6.3 Effectiveness of Mitigation Measures ................................................................. 25

7.7 Residual Effects Characterization ..................................................................................... 29

7.7.1 Summary of Residual Effects ............................................................................... 29



7.7.2 Methods ............................................................................................................... 29

7.7.3 Air Quality Residual Effects .................................................................................. 30

7.7.4 Summary of Air Quality Residual Effects ............................................................. 32

7.8 Cumulative Effects ............................................................................................................ 33

7.8.1 Review Residual Effects ....................................................................................... 33



7.8.4 Potential Cumulative Effects and Mitigation Measures ...................................... 34

7.8.5 Cumulative Effects Interaction Matrix ................................................................. 34

7.8.6 Cumulative Effects Characterization.................................................................... 35

7.8.7 Summary of Cumulative Effects Assessment ....................................................... 35

7.9 Follow-up Program ........................................................................................................... 36

7.10 Conclusion ......................................................................................................................... 36

7.11 References ........................................................................................................................ 37




VOLUME 3 | CHAPTER 8 NOISE EFFECTS ASSESSMENT

Table of Contents

8 Noise Effects Assessment ............................................................... 1

8.1 Introduction ........................................................................................................................ 1





8.3.3 Valued and Intermediate Components, Assessment Endpoints, and Measurement Indicators ....................................................................................... 8

8.3.4 Project-Specific Baseline Studies ........................................................................... 8

8.3.5 Assessment Boundaries ......................................................................................... 9






8.5.1 Methods ............................................................................................................... 12











8.7.2 Methods ............................................................................................................... 24

8.7.3 Noise Residual Effects Assessment ...................................................................... 25

8.7.4 Summary of Noise Residual Effects ..................................................................... 27




8.8.3 Identifying Past, Present or Reasonably Foreseeable Projects and/or Activities 28






8.10 Conclusion ......................................................................................................................... 30

8.11 References ........................................................................................................................ 32



RED MOUNTAIN UNDERGROUND GOLD PROJECT VOLUME 3 | CHAPTER 9 LANDFORMS AND NATURAL LANDSCAPES

Table of Contents

9 Landforms and Natural Landscapes Effects Assessment ............... 1

9.1 Introduction ........................................................................................................................ 1



9.3.1 Information Sources ............................................................................................ 10

9.3.2 Input from Consultation ...................................................................................... 10

9.3.3 Intermediate Components, Assessment Endpoints, and Measurement Indicators ............................................................................................................. 12








9.5.1 Methods ............................................................................................................... 62



9.5.4 Quantification of Potential Effects – Soil Quality and Quantity .......................... 73

9.5.5 Quantification of Potential Effects – Terrain Stability ......................................... 94

9.6 Mitigation Measures ....................................................................................................... 110

9.6.1 Key Mitigation Approaches ................................................................................ 110

9.6.2 Project Mitigation Measures ............................................................................. 113

9.6.3 Effectiveness of Mitigation Measures ............................................................... 122



9.7 Residual Effects Characterization ................................................................................... 128

9.7.1 Summary of Residual Effects ............................................................................. 128

9.7.2 Potential Residual Effects Assessment .............................................................. 130

9.7.3 Summary of Residual Effects Assessment ......................................................... 134

9.8 Cumulative Effects Assessment ...................................................................................... 136

9.8.1 Review Residual Effects ..................................................................................... 136

9.8.2 Cumulative Effects Assessment Boundaries ...................................................... 137

9.8.3 Identifying Past, Present, and Reasonably Foreseeable Projects and/or Activities ............................................................................................................. 137

9.8.4 Cumulative Project Interactions and Effects ..................................................... 140

9.8.5 Cumulative Effects Interaction Matrix ............................................................... 140

9.8.6 Summary of Cumulative Effects Assessment ..................................................... 142

9.9 Follow-up Program ......................................................................................................... 144

9.10 Conclusion ....................................................................................................................... 144

9.11 References ...................................................................................................................... 145




VOLUME 3 | CHAPTER 10 HYDROGEOLOGY EFFECTS ASSESSMENT

Table of Contents

10 Hydrogeology Effects Assessment.................................................. 1

10.1 Introduction ........................................................................................................................ 1





10.3.3 Intermediate Components and Measurement Indicators ................................... 10





10.4.3 Project Specific Baseline Studies ......................................................................... 15



10.5.1 Methods ............................................................................................................... 34











10.7.2 Methods ............................................................................................................... 42

10.7.3 Potential Residual Effects Assessment ................................................................ 44

10.7.4 Summary of Residual Effects Assessment ........................................................... 50








10.8.7 Changes to Groundwater Flow ............................................................................ 53



10.10 Conclusion ......................................................................................................................... 55

10.11 References ........................................................................................................................ 57




VOLUME 3 | CHAPTER 11 GROUNDWATER QUALITY EFFECTS ASSESSMENT

Table of Contents

11 Groundwater Quality Effects Assessment ...................................... 1

11.1 Introduction ........................................................................................................................ 1





11.3.3 Intermediate Components and Measurement Indicators ..................................... 9








11.5.1 Methods ............................................................................................................... 20











11.7.2 Methods ............................................................................................................... 29






11.8.3 Cumulative Effects Assessment ........................................................................... 38


11.10 Conclusions ....................................................................................................................... 41

11.10.1 Mine Site .............................................................................................................. 41

11.10.2 Bromley Humps ................................................................................................... 42

11.11 References ........................................................................................................................ 43




VOLUME 3 | CHAPTER 12 HYDROLOGY EFFECTS ASSESSMENT

Table of Contents

12 Hydrology Effects Assessment ....................................................... 1

12.1 Introduction ........................................................................................................................ 1





12.3.3 Valued/Intermediate Components, Assessment Endpoints, and Measurement Indicators ............................................................................................................... 7








12.5.1 Methods ............................................................................................................... 20











12.7.2 Methods ............................................................................................................... 27






12.8.3 Cumulative Effects Assessment ........................................................................... 37


12.10 Conclusion ......................................................................................................................... 39

12.11 References ........................................................................................................................ 40




VOLUME 3 | CHAPTER 13 SURFACE WATER QUALITY EFFECTS ASSESSMENT

Table of Contents

13 Surface Water Quality Effects Assessment..................................... 1

13.1 Introduction ........................................................................................................................ 1





13.3.3 Valued Components, Assessment Endpoints, and Measurement Indicators........ 8








13.5.1 Methods ............................................................................................................... 31











13.7.2 Methods ............................................................................................................... 51












13.10 Conclusion ......................................................................................................................... 71

13.11 References ........................................................................................................................ 73




VOLUME 3 | CHAPTER 14 SEDIMENT QUALITY EFFECTS ASSESSMENT

Table of Contents

14 Sediment Quality Effects Assessment ............................................ 1

14.1 Introduction ........................................................................................................................ 1













14.5.1 Methods ............................................................................................................... 33











14.7.2 Methods ............................................................................................................... 48












14.10 Conclusion ......................................................................................................................... 65

14.11 References ........................................................................................................................ 66



RED MOUNTAIN UNDERGROUND GOLD PROJECT VOLUME 3 | CHAPTER 15 VEGETATION AND ECOSYSTEMS EFFECTS ASSESSMENT

Table of Contents

15 Vegetation and Ecosystems Effects Assessment ........................... 1

15.1 Introduction ........................................................................................................................ 1





15.3.3 Valued Components, Assessment Endpoints, and Measurement Indicators...... 12








15.5.1 Methods ............................................................................................................... 66



15.5.4 Summary of Potential Effects ............................................................................ 114

15.6 Mitigation Measures ....................................................................................................... 115

15.6.1 Key Mitigation Approaches ................................................................................ 116

15.6.2 Project Mitigation Measures ............................................................................. 119



15.6.3 Environmental Management and Monitoring Plans ......................................... 120




15.7.2 Methods ............................................................................................................. 129

15.7.3 Potential Residual Effects Assessment .............................................................. 132

15.7.4 Summary of Residual Effects on Vegetation and Ecosystems VCs .................... 141


15.8.1 Review of Residual Effects ................................................................................. 144


15.8.3 Identifying Past, Present or Reasonably Foreseeable Projects and/or Activities ............................................................................................................. 146

15.8.4 Cumulative Project Interactions and Effects ..................................................... 148

15.8.5 Cumulative Effects Interaction Matrix ............................................................... 148

15.8.6 Summary of Cumulative Effects Assessment ..................................................... 156

15.9 Follow-up Program ......................................................................................................... 158

15.10 Conclusion ....................................................................................................................... 158

15.11 References ...................................................................................................................... 159



RED MOUNTAIN UNDERGROUND GOLD PROJECT VOLUME 3 | CHAPTER 16 WILDLIFE AND WILDLIFE HABITAT EFFECTS ASSESSMENT

Table of Contents

16 Wildlife and Wildlife Habitat Effects Assessment ........................... 1

16.1 Introduction ........................................................................................................................ 1


16.2.1 Federal ................................................................................................................... 5

16.2.2 Provincial................................................................................................................ 7

16.2.3 Nisga’a Lisims Government ................................................................................. 14

16.3 Scope of the Assessment .................................................................................................. 15



16.3.3 Valued Components, Measurement Indicators and Assessment Endpoints....... 19




16.4.2 Past and Present Projects and Activities.............................................................. 37


16.4.4 Mammal Characterization ................................................................................... 43

16.4.5 Bird Characterization ........................................................................................... 66

16.4.6 Amphibian Characterization ................................................................................ 84


16.5.1 Methods ............................................................................................................... 85







16.6.2 Environmental Management and Monitoring Plans ......................................... 107




16.7.2 Methods ............................................................................................................. 119

16.7.3 Potential Residual Effects Assessment — Mountain Goat ................................ 124

16.7.4 Potential Residual Effects Assessment — Grizzly Bear ...................................... 133

16.7.5 Potential Residual Effects Assessment — Moose .............................................. 143

16.7.6 Potential Residual Effects Assessment — Furbearers ....................................... 149

16.7.7 Potential Residual Effects Assessment — Hoary Marmot ................................. 158

16.7.8 Potential Residual Effects Assessment — Bats .................................................. 163

16.7.9 Potential Residual Effects Assessment — Migratory Breeding Birds ................ 167

16.7.10 Potential Residual Effects Assessment — Migratory Bird Species at Risk ......... 177

16.7.11 Potential Residual Effects Assessment — Raptors ............................................ 198

16.7.12 Potential Residual Effects Assessment — Non-migratory Game Birds ............. 207

16.7.13 Potential Residual Effects Assessment — Amphibians ...................................... 218

16.7.14 Summary of Residual Effects Assessment ......................................................... 222



16.8.2 Identifying Past, Present, and Reasonably Foreseeable Projects and/or Activities ............................................................................................................. 232

16.8.3 Potential Cumulative Effects .............................................................................. 237

16.8.4 Residual Cumulative Effects Assessment ........................................................... 244

16.9 Follow-up Effects Monitoring Program .......................................................................... 295

16.10 Conclusion ....................................................................................................................... 298

16.11 References ...................................................................................................................... 299




VOLUME 3 | CHAPTER 17 AQUATIC RESOURCES EFFECTS ASSESSMENT

Table of Contents

17 Aquatic Resources Effects Assessment .......................................... 1

17.1 Introduction ........................................................................................................................ 1













17.5.1 Methods ............................................................................................................... 36











17.7.2 Methods ............................................................................................................... 59












17.10 Conclusion ......................................................................................................................... 85

17.11 References ........................................................................................................................ 86




VOLUME 3 | CHAPTER 18 FISH AND FISH HABITAT EFFECTS ASSESSMENT

Table of Contents

18 Fish and Fish Habitat Effects Assessment ....................................... 1

18.1 Introduction ........................................................................................................................ 1





18.3.3 Valued/Intermediate Components, Assessment Endpoints, and Measurement Indicators ............................................................................................................... 9








18.5.1 Methods ............................................................................................................... 49











18.7.2 Methods ............................................................................................................... 70






18.8.3 Identifying Past, Present, or Reasonably Foreseeable Projects and/or Activities83






18.10 Conclusion ......................................................................................................................... 88

18.11 References ........................................................................................................................ 89




VOLUME 3 | CHAPTER 19 ECONOMIC EFFECTS ASSESSMENT

Table of Contents

19. Economic Effects Assessment ........................................................ 1

Introduction ........................................................................................................................ 1 19.1

Regulatory and Policy Setting ............................................................................................. 6 19.2

Scope of the Assessment .................................................................................................... 7 19.3

Information Sources .............................................................................................. 7 19.3.1

Input from Consultation ........................................................................................ 7 19.3.2

Valued/Intermediate Components, Assessment Endpoints, and Measurement 19.3.3Indicators ............................................................................................................. 11

Assessment Boundaries ....................................................................................... 13 19.3.4

Existing Conditions ............................................................................................................ 17 19.4

Overview of Existing Conditions .......................................................................... 17 19.4.1

Past and Current Projects and Activities.............................................................. 17 19.4.2

Project-Specific Baseline Studies ......................................................................... 18 19.4.3

Baseline Characterization .................................................................................... 19 19.4.4

Potential Economic Effects ............................................................................................... 25 19.5

Methods ............................................................................................................... 25 19.5.1

Project Interactions ............................................................................................. 26 19.5.2

Discussion of Potential Effects ............................................................................. 27 19.5.3

Mitigation Measures ......................................................................................................... 40 19.6

Mitigation, Management, and Monitoring of Economic VCs and ICs ................. 40 19.6.1

Effectiveness of Mitigation Measures ................................................................. 43 19.6.2

Characterization of Residual Effects ................................................................................. 46 19.7

Residual Project Effects Analyses ........................................................................ 46 19.7.1

Characterizing Residual Effects ............................................................................ 46 19.7.2



Potential Residual Effects Assessment ................................................................ 46 19.7.3

Summary of Residual Effects Assessment ........................................................... 46 19.7.4

Cumulative Effects ............................................................................................................ 46 19.8

Cumulative Effects Assessment Boundaries ........................................................ 47 19.8.1

Identifying Past, Present or Reasonably Foreseeable Projects and/or Activities 47 19.8.2

Cumulative Effects Assessment ........................................................................... 47 19.8.3

Follow-up Program ........................................................................................................... 47 19.9

References ........................................................................................................................ 49 19.10




VOLUME 3 | CHAPTER 20 SOCIAL EFFECTS ASSESSMENT

Table of Contents

20 Social Effects Assessment .............................................................. 1

20.1 Introduction ........................................................................................................................ 1



20.3.1 Information Sources ........................................................................................... 7

20.3.2 Inputs from Consultation .................................................................................... 7

20.3.3 Valued and Intermediate Components, Assessment Endpoints, and Measurement Indicators .................................................................................. 10

20.3.4 Assessment Boundaries .................................................................................... 13


20.4.1 Overview of Existing Conditions ....................................................................... 17

20.4.2 Past and Current Projects and Activities .......................................................... 19

20.4.3 Project-Specific Baseline Studies ...................................................................... 19

20.4.4 Baseline Characterization ................................................................................. 21


20.5.1 Methods ........................................................................................................... 35

20.5.2 Project Interactions .......................................................................................... 35

20.5.3 Discussion of Potential Effects.......................................................................... 37


20.6.1 Key Mitigation Approaches .............................................................................. 54

20.6.2 Effectiveness of Mitigation Measures .............................................................. 58






20.10 Current Use of Lands and Resources for Traditional Purposes ........................................ 65

20.10.1 Introduction ...................................................................................................... 65

20.10.2 Regulatory and Policy Setting ........................................................................... 65

20.10.3 Scope of the Assessment .................................................................................. 66

20.10.4 Assessment Boundaries .................................................................................... 75

20.10.5 Existing Conditions ........................................................................................... 77

20.10.6 Potential Effects ................................................................................................ 87

20.10.7 Mitigation Measures ...................................................................................... 100

20.10.8 Residual Effects Characterization ................................................................... 122

20.10.9 Cumulative Effects .......................................................................................... 146

20.10.10 Follow-up Programs ........................................................................................ 157

20.10.11 Conclusion ...................................................................................................... 159

20.11 References ...................................................................................................................... 160




VOLUME 3 | CHAPTER 21 HERITAGE EFFECTS ASSESSMENT

Table of Contents

21 Heritage Effects Assessment .......................................................... 1

21.1 Introduction ........................................................................................................................ 1


21.2.1 Provincial Regulatory Context ............................................................................... 6

21.2.2 Federal Regulatory Context ................................................................................... 6

21.2.3 Nisga’a Final Agreement Context .......................................................................... 6

21.2.4 Regional Regulatory Context ................................................................................. 7




21.3.3 Issues Scoping ...................................................................................................... 12

21.3.4 Valued Component, Measurement Indicators, and Assessment Endpoint ......... 13







21.5.1 Methods ............................................................................................................... 26












21.10 Summary Table ................................................................................................................. 36

21.11 References ........................................................................................................................ 38


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT i


VOLUME 3 | CHAPTER 22 HEALTH EFFECTS ASSESSMENT

Table of Contents

22 Health Effects Assessment ............................................................... 1

22.1 Introduction ........................................................................................................................ 1

22.2 Regulatory, Policy Setting, and Linkages to Other Disciplines ............................................ 7

22.2.1 Guidance to Address Noise Related Health Effects ............................................... 7

22.2.2 Guidance to Address Air Quality Related Health Effects ....................................... 7

22.2.3 Guidance to Address Light Related Health Effects ................................................ 8

22.2.4 Guidance to Address Electromagnetic Field Related Health Effects ..................... 8

22.2.5 Guidance to Address Soil Related Health Effects .................................................. 9

22.2.6 Guidance to Address Surface Water Related Health Effects ................................. 9

22.2.7 Guidance to Address Groundwater Related Health Effects .................................. 9

22.2.8 Guidance to Address Sediment Related Health Effects ....................................... 10

22.2.9 Guidance to Address Wildlife Related Health Effects .......................................... 10

22.2.10 Guidance to Address Vegetation and Ecosystem Related Health Effects ........... 10

22.2.11 Guidance to Address Fish Related Health Effects ................................................ 11

22.2.12 Guidance to Address Chemical Related Health Effects ....................................... 11




22.3.3 Valued Component, Assessment Endpoints, and Measurement Indicators ....... 30










22.5.1 Methods ............................................................................................................... 58









22.9 Follow–up Program ........................................................................................................... 81

22.9.1 Air Quality Follow-up Program ............................................................................ 81

22.9.2 Surface Water Quality Follow-up Program .......................................................... 81

22.9.3 Groundwater Quality Follow-up Program ........................................................... 82

22.9.4 Human Health Follow-up Program ...................................................................... 82

22.10 Conclusion ......................................................................................................................... 82

22.11 References ........................................................................................................................ 83




VOLUME 3 | CHAPTER 23 ACCIDENTS AND MALFUNCTIONS

Table of Contents

23 Accidents and Malfunctions ........................................................... 1

23.1 Introduction ........................................................................................................................ 1

23.1.1 Background ............................................................................................................ 1

23.1.2 Scope ...................................................................................................................... 3

23.2 Risk Analysis Approach and Methodology .......................................................................... 7

23.3 Risk Mitigation Measures ................................................................................................. 10

23.3.1 Systematic Risk Assessment Approach ................................................................ 10

23.3.2 Employee Training Programs ............................................................................... 10

23.3.3 Inspection and Maintenance Program ................................................................ 11

23.3.4 Emergency Response ........................................................................................... 11

23.3.5 Environmental Monitoring .................................................................................. 11

23.3.6 Adaptive Management ........................................................................................ 11

23.4 Risk Analysis Results ......................................................................................................... 11

23.4.1 Moderate Risk Accidents and Malfunctions ........................................................ 11

23.4.2 Low-Risk Accidents and Malfunctions ................................................................. 44

23.5 Conclusions ....................................................................................................................... 67

23.6 References ........................................................................................................................ 68




VOLUME 3 | CHAPTER 24 EFFECTS OF THE ENVIRONMENT ON THE PROJECT

Table of Contents 24 Effects of the Environment ............................................................ 1

24.1 Background ......................................................................................................................... 1

24.2 Scope ................................................................................................................................... 1

24.3 Approach ............................................................................................................................. 2

24.4 Climatic Setting ................................................................................................................... 3

24.4.1 Regional Climate .................................................................................................... 3

24.4.2 Regional Climatic Patterns ..................................................................................... 4

24.4.3 Local Climate .......................................................................................................... 4

24.5 Effects of the Environment - Precipitation ......................................................................... 5

24.5.1 Typical Precipitation .............................................................................................. 5

24.5.2 High Precipitation .................................................................................................. 6

24.5.3 Low Precipitation ................................................................................................... 8

24.6 Effects of the Environment - Air Temperature ................................................................. 12

24.6.1 Effects of Extreme Cold ........................................................................................ 12

24.6.2 Effects of Extreme Warmth ................................................................................. 12

24.6.3 Effects of Freeze-Thaw Cycles.............................................................................. 13

24.6.4 Mitigation Measures for Extreme Air Temperatures .......................................... 17

24.7 Effects of the Environment - Wind ................................................................................... 17

24.7.1 Effects of Wind ..................................................................................................... 18

24.7.2 Mitigation Measures for Wind ............................................................................. 18

24.8 Effects of the Environment - Surface Water Flow ............................................................ 20

24.8.1 Typical Surface Water Flow ................................................................................. 20

24.8.2 High Flows and Floods ......................................................................................... 21



24.8.3 Low Flows............................................................................................................. 27

24.9 Effects of the Environment - Geophysical Conditions ...................................................... 28

24.9.1 Landslides............................................................................................................. 28

24.9.2 Snow Avalanches ................................................................................................. 35

24.9.3 Seismic Activity .................................................................................................... 36

24.9.4 Fluvial Hazards ..................................................................................................... 37

24.9.5 Summary of Geohazard Mitigation Measures ..................................................... 38

24.10 Wildfires ............................................................................................................................ 38

24.10.1 Effects of Wildfires on the Project ....................................................................... 39

24.10.2 Mitigation Measures for Wildfires ....................................................................... 39

24.11 Climate Change ................................................................................................................. 41

24.11.1 Climate Change Regulatory Context .................................................................... 41

24.11.2 Past and Projected Climate Change in the Project Region .................................. 41

24.11.3 Project-related Adaptation and Mitigation Measures ........................................ 42

24.11.4 Climate Change Adaptation ................................................................................. 43

24.11.5 Climate Change Conclusion ................................................................................. 44

24.12 References ........................................................................................................................ 46




VOLUME 4 | CHAPTER 25 TSETSAUT SKII KM LAX HA

Table of Contents

25 Tsetsaut Skii km Lax Ha .................................................................. 1

25.1 Introduction ........................................................................................................................ 1

25.2 Background and Context..................................................................................................... 2

25.2.1 Regulatory and Policy Setting ................................................................................ 2

25.2.2 TSKLH ..................................................................................................................... 3

25.2.3 Environmental Setting ......................................................................................... 16

25.3 Consultation Summary ..................................................................................................... 20

25.3.1 Pre-Application Engagement ............................................................................... 20

25.3.2 Future Engagement ............................................................................................. 21





25.5.1 Methods ............................................................................................................... 23






25.6.3 Management Plans and Monitoring .................................................................... 60



25.7.2 Methods ............................................................................................................... 61





25.8 Other Matters of Concern ................................................................................................ 82

25.9 Issue Summary Table ........................................................................................................ 82

25.10 References ........................................................................................................................ 84




VOLUME 4 | CHAPTER 26 MÉTIS NATION BC

Table of Contents

26 Métis Nation BC ............................................................................. 1

26.1 Introduction ........................................................................................................................ 1



26.2.2 Métis Nation BC ..................................................................................................... 3

26.2.3 Environmental Setting ......................................................................................... 10

26.3 Consultation Summary ..................................................................................................... 14

26.3.1 Pre-Application Engagement ............................................................................... 14

26.3.2 Future Engagement ............................................................................................. 15





26.5.1 Methods ............................................................................................................... 16






26.6.3 Management Plans and Monitoring .................................................................... 55



26.7.2 Methods ............................................................................................................... 56





26.8 Other Matters of Concern ................................................................................................ 75

26.9 Issue Summary Table ........................................................................................................ 75

26.10 References ........................................................................................................................ 76




VOLUME 4 | CHAPTER 27 NISGA’A NATION

Table of Contents

27 Nisga’a Nation ................................................................................ 1

27.1 Introduction ........................................................................................................................ 1




27.2.2 Nisga’a Nation Cultural Setting .............................................................................. 8

27.2.3 Nisga’a Nation Social Setting ............................................................................... 14

27.2.4 Nisga’a Nation Economic Setting ......................................................................... 26

27.3 Consultation and Engagement .......................................................................................... 38

27.3.1 Goals and Objectives of Consultation .................................................................. 38

27.3.2 Nisga’a Consultation Plan .................................................................................... 39

27.3.3 Aboriginal Consultation Reports .......................................................................... 39

27.3.4 Phases of Aboriginal Consultation and Engagement ........................................... 40

27.3.5 Summary of Early Engagement ............................................................................ 41

27.3.6 Summary of Pre-Application Engagement and Consultation .............................. 42

27.3.7 Upcoming and Future Engagement and Consultation......................................... 49

27.4 Environmental Effects Assessment (Pursuant to Chapter 10 Paragraph 8(e) of the NFA) .......................................................................................................................................... 50

27.4.1 Introduction ......................................................................................................... 50

27.4.2 Scope of Assessment ........................................................................................... 51

27.4.3 Effects Assessment Methodology ........................................................................ 67

27.4.4 Fish, Aquatic Plants, and Marine Mammals ........................................................ 71

27.4.5 Wildlife and Migratory Birds ................................................................................ 88

27.4.6 Guide Outfitting License .................................................................................... 104



27.4.7 Access to Other Lands ........................................................................................ 106

27.4.8 Residual Effect Characterization on Nisga’a Nation 8(e) Interests .................... 109

27.5 Economic, Social, and Cultural Effects Assessment (Pursuant to Chapter 10 Paragraph 8(f) of the NFA) ............................................................................................................... 116

27.5.1 Introduction ....................................................................................................... 116

27.5.2 Scope of Assessment ......................................................................................... 116

27.5.3 Potential Project Benefits .................................................................................. 122

27.5.4 Potential Adverse Interactions and Effects ....................................................... 126

27.5.5 Summary of Effects ............................................................................................ 142

27.5.6 Cumulative Effects ............................................................................................. 148

27.5.7 Follow-up ........................................................................................................... 148

27.6 Other Matters of Concern .............................................................................................. 148

27.7 Issue Summary Table ...................................................................................................... 149

27.8 References ...................................................................................................................... 153



RED MOUNTAIN UNDERGROUND GOLD PROJECT VOLUME 4 | CHAPTER 28 PUBLIC CONSULTATION

Table of Contents

28 Public Consultation ........................................................................ 1

28.1 Introduction ........................................................................................................................ 1


28.2.1 BC Environmental Assessment Act ........................................................................ 2

28.2.2 Section 11 Order .................................................................................................... 2

28.2.3 Red Mountain Underground Gold Project Public Consultation Plan ..................... 3

28.2.4 Canadian Environmental Assessment Act, 2012 ................................................... 3

28.3 Identified Local Communities and Stakeholders ................................................................ 3

28.3.1 Communities and Governments ............................................................................ 4

28.3.2 Overlapping Tenure Holders .................................................................................. 8

28.4 Summary of Public Consultation ....................................................................................... 11

28.4.1 Phases of Public Consultation .............................................................................. 11

28.4.2 Summary of Past and Planned Consultation Activities ........................................ 12

28.5 Key Issues Summary Table ................................................................................................ 17

28.6 References ........................................................................................................................ 22



RED MOUNTAIN UNDERGROUND GOLD PROJECT VOLUME 5 | CHAPTER 29 MANAGEMENT PLANS

Table of Contents

29 Management Plans ........................................................................ 1

29.1 Environmental Management System ................................................................................. 1

29.1.1 Introduction ........................................................................................................ 1

29.1.2 Scope .................................................................................................................. 2

29.1.3 Objectives and Targets ....................................................................................... 2

29.1.4 Adaptive Management ....................................................................................... 3

29.1.5 Monitoring .......................................................................................................... 4

29.1.6 Applicable Management Plans ........................................................................... 4

29.1.7 Surveillance Network Program ........................................................................... 5

29.1.8 Continuous Improvement Framework ............................................................... 6

29.1.9 Precautionary Approach ..................................................................................... 6

29.1.10 Environmental Management System Framework .............................................. 7

29.1.11 EMP Hierarchy, Objectives, and Implementation ............................................ 16

29.2 Adaptive Management Plan ............................................................................................. 18

29.2.1 Introduction ...................................................................................................... 18

29.2.2 Scope and Objectives........................................................................................ 18

29.2.3 Applicable Legislation and Guidelines .............................................................. 18

29.2.4 Performance Indicators .................................................................................... 19

29.2.5 Project Activities ............................................................................................... 19

29.2.6 Adaptive Management Approach and Implementation .................................. 19

29.2.7 Reporting Requirements .................................................................................. 22

29.2.8 Roles and Responsibilities ................................................................................ 22

29.3 Access Management Plan ................................................................................................. 22


ii | MANAGEMENT PLANS SEPTEMBER 2017

29.3.1 Introduction ...................................................................................................... 22



29.3.4 Performance Objectives ................................................................................... 24

29.3.5 Mine Access ...................................................................................................... 24

29.3.6 Traffic Management Plan ................................................................................. 24

29.3.7 Vehicle Operation and Safety Procedures ........................................................ 25

29.3.8 Access Road Design and Maintenance ............................................................. 25



29.3.11 Review of Plan Effectiveness ............................................................................ 28

29.4 Air Quality and Dust Management Plan ........................................................................... 29

29.4.1 Introduction ...................................................................................................... 29



29.4.4 Relevant Project Activities ................................................................................ 31

29.4.5 Protection Measures ........................................................................................ 31

29.4.6 Complaints and Response ................................................................................ 33

29.4.7 Monitoring Program ......................................................................................... 34




29.5 Aquatics Effects Management and Response Plan ........................................................... 35

29.5.1 Introduction ...................................................................................................... 35

29.5.2 Objectives and Scope........................................................................................ 36


29.5.4 Environmental Protection Measures ................................................................ 40

29.5.5 Aquatic Effects Monitoring Program ................................................................ 42

29.5.6 Management Response .................................................................................... 51

29.5.7 Reporting .......................................................................................................... 52


29.6 Community Involvement Plan .......................................................................................... 52

29.6.1 Introduction ...................................................................................................... 52


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT CHAPTER 29 | iii


29.6.3 Corporate Vision and Principles for Community Involvement ......................... 53

29.6.4 Community Involvement Measures ................................................................. 53



29.7 Cultural and Heritage Resources Protection Plan ............................................................. 55

29.7.1 Introduction ...................................................................................................... 55



29.7.4 Cultural and Heritage Resources Protection Measures ................................... 56

29.7.5 Monitoring and Reporting ................................................................................ 58



29.8 Emergency Response Plan ................................................................................................ 59

29.8.1 Introduction ...................................................................................................... 59




29.8.5 Emergency Response Measures ....................................................................... 61




29.9 Erosion and Sediment Control Plan .................................................................................. 63

29.9.1 Introduction ...................................................................................................... 63




29.9.5 Potential Causes of Erosion .............................................................................. 65

29.9.6 Erosion and Sediment Control Measures ......................................................... 65

29.9.7 Monitoring and Maintenance Program ............................................................ 67





iv | MANAGEMENT PLANS SEPTEMBER 2017

29.10 Explosives Management Plan ........................................................................................... 68

29.10.1 Introduction ...................................................................................................... 68




29.10.5 Protection Measures ........................................................................................ 70

29.10.6 Adaptive Management ..................................................................................... 71





29.11 Fuel Management Plan ..................................................................................................... 72

29.11.1 Introduction ...................................................................................................... 72









29.12 Hazardous Materials Management Plan .......................................................................... 77

29.12.1 Introduction ...................................................................................................... 77









29.13 Health and Social Services Plan ........................................................................................ 87

29.13.1 Introduction ...................................................................................................... 87


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT CHAPTER 29 | v



29.13.4 Corporate Philosophy and Policies ................................................................... 89

29.13.5 Health and Social Services Measures ............................................................... 90

29.13.6 Monitoring and Reporting ................................................................................ 93



29.14 Local Procurement Plan .................................................................................................... 94

29.14.1 Introduction ...................................................................................................... 94


29.14.3 Local Procurement Measures ........................................................................... 95

29.14.4 Monitoring and Evaluation ............................................................................... 98



29.15 Material Handling & ML/ARD Management Plan ............................................................. 99

29.15.1 Introduction, Scope and Objectives ................................................................. 99

29.15.2 Applicable Legislation and Guidelines ............................................................ 100

29.15.3 Relevant Project Activities .............................................................................. 101

29.15.4 Environmental Protection Measures .............................................................. 113

29.15.5 Monitoring Program ....................................................................................... 118

29.15.6 Reporting Requirements ................................................................................ 119

29.15.7 Roles and Responsibilities .............................................................................. 119

29.15.8 Review of Plan Effectiveness .......................................................................... 120

29.16 Noise Abatement Plan .................................................................................................... 120

29.16.1 Introduction .................................................................................................... 120

29.16.2 Scope and Objectives...................................................................................... 120



29.16.5 Protection Measures ...................................................................................... 122

29.16.6 Complaints and Response .............................................................................. 124





vi | MANAGEMENT PLANS SEPTEMBER 2017


29.17 Occupational Health and Safety Plan ............................................................................. 125

29.17.1 Introduction .................................................................................................... 125



29.17.4 Occupational Health and Safety Management Practices ............................... 126

29.17.5 Monitoring and Reporting Requirements ...................................................... 130



29.18 Site Water Management Plan ......................................................................................... 131

29.18.1 Introduction .................................................................................................... 131



29.18.4 Climate and Hydrology ................................................................................... 136






29.19 Skills, Training, and Employment Plan ............................................................................ 157

29.19.1 Introduction .................................................................................................... 157



29.19.4 Skills, Training and Employment Measures .................................................... 158

29.19.5 Monitoring and Reporting .............................................................................. 162



29.20 Social and Economic Management Plan ......................................................................... 163

29.20.1 Introduction .................................................................................................... 163



29.20.4 Social and Economic Management Measures ................................................ 164

29.20.5 Monitoring and Reporting .............................................................................. 165


IDM MINING LTD. | RED MOUNTAIN UNDERGROUND GOLD PROJECT CHAPTER 29 | vii

29.20.6 Roles and Responsibility ................................................................................. 169


29.21 Spill Contingency Plan ..................................................................................................... 169

29.21.1 Introduction .................................................................................................... 169









29.22 Tailings Management Plan .............................................................................................. 176

29.22.1 Introduction .................................................................................................... 176






29.22.7 Reporting ........................................................................................................ 197



29.23 Terrain and Soil Management Plan ................................................................................ 203

29.23.1 Introduction .................................................................................................... 203





29.23.6 Monitoring and Follow-up .............................................................................. 209

29.23.7 Reporting ........................................................................................................ 210


29.24 Vegetation and Ecosystems Management Plan ............................................................. 211

29.24.1 Introduction .................................................................................................... 211


viii | MANAGEMENT PLANS SEPTEMBER 2017






29.24.7 Reporting ........................................................................................................ 219


29.25 Waste Management Plan ............................................................................................... 219

29.25.1 Introduction .................................................................................................... 219




29.25.5 Action Plans to Reduce and Manage Waste ................................................... 223





29.26 Wildlife Management Plan ............................................................................................. 227

29.26.1 Introduction .................................................................................................... 227



29.26.4 Wildlife Valued Components .......................................................................... 239

29.26.5 General Wildlife Protection Measures ........................................................... 241

29.26.6 Site Activity Based Protection Measures ........................................................ 244

29.26.7 Species Specific Protection Measures ............................................................ 252





29.27 References ...................................................................................................................... 259




VOLUME 5 | CHAPTER 30 MONITORING AND FOLLOW-UP PROGRAMS

Table of Contents

30 Monitoring and Follow-up Programs ............................................. 1

30.1 Introduction ........................................................................................................................ 1

30.2 Scope and Objectives .......................................................................................................... 2

30.3 Applicable Legislation and Guidelines ................................................................................ 3

30.4 Adaptive Management Approach ....................................................................................... 3

30.5 Planned Monitoring and Follow-up Programs .................................................................... 3

30.5.1 Aquatic Effects Monitoring and Follow-up Program ............................................. 3

30.5.2 Site Water Monitoring and Follow-up Program .................................................... 4

30.5.3 Tailings Monitoring and Follow-up Program ......................................................... 4

30.5.4 Wildlife Effects Monitoring and Follow-up Program ............................................. 5

30.6 Reporting ............................................................................................................................ 7

30.7 Roles and Responsibilities ................................................................................................... 8

30.8 References .......................................................................................................................... 9




VOLUME 6 | CHAPTER 31 CONCLUSIONS

Table of Contents

31 Conclusions .................................................................................... 3

31.1 Introduction ........................................................................................................................ 3

31.2 Summary of Aboriginal and Public Consultation ................................................................ 3

31.3 Summary of Residual and Cumulative Effects .................................................................... 4

31.4 Summary of Proposed Mitigation ....................................................................................... 4

31.5 Conclusion ........................................................................................................................... 5

31.6 References ........................................................................................................................ 52