Project Location Vitality Management Plan Spill ...

Volume A.ii: Project introduction & oVerView

Volume A.iii: BioPhysicAl VAlued comPonents

Volume A.V: AdditionAl yesAA reQuirements

Volume A.iV: socio-economic VAlued comPonents

Introduction Employment and Income

Employability

Community Vitality

Community Infrastructure and Services

Economic Development and Business Sector

Cultural Continuity

Land Use and Tenure

First Nations and Community Consultation

A.4 Project Description

A.3 Project Location

A.5 Effects Assessment Methodology

A.1A Concordance Table to the Executive Committee’s Request for Supplementary Information

A.4A Tailings Management Facility Construction Material Alternatives

A.2A Traditional Knowledge Bibliography

A.4B Information on Alternative Access Road Alignments

A.4c Feasibility Design of the Heap Leach Facility

A.4d Report on the Feasibility Design of the Tailings Management Facility

A.4F Waste Storage Area and Stockpiles Feasibility Design

A.4e Results of Additional Lab Testing of Leach Ore

A.4G Updated Hydrometeorology Report

A.4h Cold Climate Passive Treatment Systems Literature Review

A.4i Open Pit Geotechnical Design

A.4l Revised Tailings Management Facility Seepage Assessment

A.4m Processing Flow Sheets

A.4n Scoping Level Assessment of Casino Property

A.4o Advanced Metallurgical Assessment of the Casino Copper Gold Project

A.4P Production of Environmental Tailings Samples for the Casino Deposit

A.4Q Mine Site Borrow Materials Assessment Report

A.4r Report on Laboratory Geotechnical Testing of Tailings Materials

A.4j Laboratory Evaluation of the SO2/Air and Peroxide Process

A.4K Metal Uptake in Northern Constructed Wetlands

Effects of the Environment on the Project

Accidents and Malfunctions

Environmental Management

Environmental Monitoring Plans

Conclusions

References

Waste and Hazardous Materials Management Plan

Spill Contingency Management Plan

Sediment and Erosion Control Management Plan

Invasive Species Management Plan

ML/ARD Management Plan

Liquid Natural Gas Management Plan

Socio-Economic Management Plan

Road Use Plan

Economic Impacts of the Casino Mine Project

Heritage Resources Assessment Areas

Heritage Sites Summary

Terrain Features

Water Quality

Air Quality

Noise

Fish and AquaticResources

Wildlife

Rare Plants and Vegetation Health

Variability Water Balance Model Report

Water Quality Predictions Report

Potential Effects of Climate Change on the Variability Water Balance

Updated Appendix B5 to Appendix 7A

2008 Environmental Studies Report: Final

Casino Mine Site Borrow Sites ML/ARD Potential

2013-2014 Groundwater Data Report

Emissions Inventory for Construction and Operations

Casino Geochemical Source Term Development: Appendix B

Extension of Numerical Groundwater Modelling to include Dip Creek Watershed

The Effect of Acid Rock Drainage on Casino Creek

Casino Kinetic Testwork 2014 Update for Ore, Waste Rock and Tailings

Preliminary Risk Assessment Metal Leaching and Acid Rock Drainage

Toxicity Testing Reports

Appendix A2 to Casino Waste Rock and Ore Geochemical Static Test As-sessment Report: Cross-Sections

Updated Fish Habitat Offsetting Plan

Wildlife Mitigation and Monitoring Plan V.1.2.

Moose Late Winter Habitat Suitability Report

Fish Habitat Evaluation: Instream Flow and Habitat Evaluation Procedure Study

Wildlife Baseline Report V.2

A.1

A.2

A.6

A.7

A.13 A.20

A.21

A.22

A.23

A.24

A.25

A.14

A.16

A.17

A.15

A.18

A.19

A.7A

A.22A

A.22B

A.22c

A.22d

A.22h

A.22G

A.22F

A.22e

A.7B

A.7c

A.13A

A.18A

A.18B

A.7d

A.7e

A.7K

A.7m

A.8A

A.7l

A.7n

A.7F

A.7i

A.7j

A.7G

A.7h

A.8

A.9

A.10

A.12

A.11

A.10A

A.12A

A.12c

A.10B

A.12B

Volume A.i: PREFACE

Volume A.ii: Project introduction & oVerView

Volume A.iii: BioPhysicAl VAlued comPonents

Volume A.V: AdditionAl yesAA reQuirements

Volume A.iV: socio-economic VAlued comPonents

Introduction Employment and Income

Employability

Community Vitality

Community Infrastructure and Services

Economic Development and Business Sector

Cultural Continuity

Land Use and Tenure

First Nations and Community Consultation

A.4 Project Description

A.3 Project Location

A.5 Effects Assessment Methodology

A.1A Concordance Table to the Executive Committee’s Request for Supplementary Information

A.4A Tailings Management Facility Construction Material Alternatives

A.2A Traditional Knowledge Bibliography

A.4B Information on Alternative Access Road Alignments

A.4c Feasibility Design of the Heap Leach Facility

A.4d Report on the Feasibility Design of the Tailings Management Facility

A.4F Waste Storage Area and Stockpiles Feasibility Design

A.4e Results of Additional Lab Testing of Leach Ore

A.4G Updated Hydrometeorology Report

A.4h Cold Climate Passive Treatment Systems Literature Review

A.4i Open Pit Geotechnical Design

A.4l Revised Tailings Management Facility Seepage Assessment

A.4m Processing Flow Sheets

A.4n Scoping Level Assessment of Casino Property

A.4o Advanced Metallurgical Assessment of the Casino Copper Gold Project

A.4P Production of Environmental Tailings Samples for the Casino Deposit

A.4Q Mine Site Borrow Materials Assessment Report

A.4r Report on Laboratory Geotechnical Testing of Tailings Materials

A.4j Laboratory Evaluation of the SO2/Air and Peroxide Process

A.4K Metal Uptake in Northern Constructed Wetlands

Effects of the Environment on the Project

Accidents and Malfunctions

Environmental Management

Environmental Monitoring Plans

Conclusions

References

Waste and Hazardous Materials Management Plan

Spill Contingency Management Plan

Sediment and Erosion Control Management Plan

Invasive Species Management Plan

ML/ARD Management Plan

Liquid Natural Gas Management Plan

Socio-Economic Management Plan

Road Use Plan

Economic Impacts of the Casino Mine Project

Heritage Resources Assessment Areas

Heritage Sites Summary

Terrain Features

Water Quality

Air Quality

Noise

Fish and AquaticResources

Wildlife

Rare Plants and Vegetation Health

Variability Water Balance Model Report

Water Quality Predictions Report

Potential Effects of Climate Change on the Variability Water Balance

Updated Appendix B5 to Appendix 7A

2008 Environmental Studies Report: Final

Casino Mine Site Borrow Sites ML/ARD Potential

2013-2014 Groundwater Data Report

Emissions Inventory for Construction and Operations

Casino Geochemical Source Term Development: Appendix B

Extension of Numerical Groundwater Modelling to include Dip Creek Watershed

The Effect of Acid Rock Drainage on Casino Creek

Casino Kinetic Testwork 2014 Update for Ore, Waste Rock and Tailings

Preliminary Risk Assessment Metal Leaching and Acid Rock Drainage

Toxicity Testing Reports

Appendix A2 to Casino Waste Rock and Ore Geochemical Static Test As-sessment Report: Cross-Sections

Updated Fish Habitat Offsetting Plan

Wildlife Mitigation and Monitoring Plan V.1.2.

Moose Late Winter Habitat Suitability Report

Fish Habitat Evaluation: Instream Flow and Habitat Evaluation Procedure Study

Wildlife Baseline Report V.2

A.1

A.2

A.6

A.7

A.13 A.20

A.21

A.22

A.23

A.24

A.25

A.14

A.16

A.17

A.15

A.18

A.19

A.7A

A.22A

A.22B

A.22c

A.22d

A.22h

A.22G

A.22F

A.22e

A.7B

A.7c

A.13A

A.18A

A.18B

A.7d

A.7e

A.7K

A.7m

A.8A

A.7l

A.7n

A.7F

A.7i

A.7j

A.7G

A.7h

A.8

A.9

A.10

A.12

A.11

A.10A

A.12A

A.12c

A.10B

A.12B

Volume A.i: PREFACE

VOLUME A.III: BIOPHYSICAL VALUED COMPONENTS

CASINO PROJECT | Supplementary Information Report | Mar 2015

APPENDIX A.7A: Variability Water Balance Model Report

www.k n ight p ies o ld .com

Knight Piésold Ltd. | Suite 1400 – 750 West Pender St, Vancouver, BC Canada V6C 2T8 | p. +1.604.685.0543 f. +1.604.685.0147

February 5, 2015

Ms. Mary Mioska Senior Environmental Manager Casino Mining Corporation 570 Granville Street, Suite 1800 Vancouver, British Columbia Canada, V6C 3P1

Dear Mary,

Re: Casino Project –YESAB Water Balance to Include Climate Variability

1 – INTRODUCTION

The water balance submitted to the Yukon Environmental and Socio-Economic Assessment Board (YESAB) for the Casino Project (the project) has been updated to determine the potential impact of climate variability on modelled results. The objective of the water balance modelling exercise was to evaluate the quantity of flow of water in the ground, in the streams, and in various mine facilities under a variety of climate conditions. The water balance model also provided the platform on which the water quality model was developed.

The purpose of this letter is to outline the climate inputs and water management assumptions that were used for climate variability water balance modelling, and to present the results of the study. Only the water quantity model and results are discussed in this letter. The water quality model has been prepared by Source Environmental Associates Inc. (SEA) and will be documented separately.

2 – BACKGROUND AND MODELLING PHILOSOPHY

The water balance model submitted as part of the YESAB Proposal (the Proposal) was a deterministic model created using the GoldSim© software package based on mean monthly climate inputs. The deterministic water balance was based on the water management plan developed for the Proposal, as presented in the Knight Piésold (KP) report “Water Management Plan” (2013a). The deterministic water balance integrated the results of various models created to define the groundwater and surface water management plan for the site and these models included a watershed model, a numerical groundwater model, and the feasibility level operational mine site water balance model. The modelling methodology, assumptions and input parameters used to develop the deterministic water balance are presented in the KP report “YESAB Water Balance Model Report” (2013b), along with the results of the modelling. The water balance model presented in this letter involves variable climate inputs, but also includes modifications to the Proposal water management plan that were made in response to updated water quality predictions resulting from assessing the effects of the variable inputs.

Climate variability was modelled by systematically varying climatic inputs based on a 52 year historical climate record (precipitation and temperature) developed for the project site. The historical climate record was based on correlating available project site data with the measured data from the regional climate station at Pelly Ranch (ID 2100880), which is operated by Environment Canada (EC). Details of the development of the precipitation and temperature record for the project site are included in the KP Report “Casino Project – Baseline Climate Report” (2013c).

The water balance timeline included four years of baseline conditions (Year -8 to Year -5), four years of pre-production (Year -4 to Year -1), 22 years of operations (Year 1 to Year 22), 91 years of closure (Year 23 to Year 113), and 87 years of post-closure (Year 114 to Year 200). The 52 year net precipitation

File No.:VA101-325/17-A.01 Cont. No.:VA15-01998

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sequence therefore had to be repeated four times to produce a time series long enough for the 208 year simulation timeline. This approach maintained the inherent cyclical nature of the climate record. The climate variability model was run with 52 iterations for each year of simulated mine life, enabling a large number of combinations of resulting wet, dry, and median months and years of precipitation to be considered. The climate inputs were essentially cycled through the model, such that the monthly climate inputs for year 2 in the first run became the inputs for year 1 in the second run, and the inputs for year 3 in the first run became the inputs for year 2 in the second run, and so on. Each year of monthly climate values that was displaced was then tacked onto the end of the 208 year (4 x 52 years) time series. Model outputs, and in particular flow volumes, were then compiled as distributions for each month in each year, from which probabilities of occurrence could be determined. The probabilities of occurrence presented for the water balance results represent the following conditions: • Median scenario – 50% chance of being equaled or exceeded in any given month or year; • 95th percentile scenario – 95% chance of the water volume or flow rate not being equaled or exceeded in

any given month or year (5% chance that it will be); also referred to as the 95th percentile wet; and • 5th percentile scenario – 5% chance of a water volume or flow rate not being equaled or exceeded in any

given month or year (95% chance that it will be); also referred to as the 95th percentile dry.

The climate variability water balance model was used to assess the effects of the variable climatic inputs on the project, and provided a range of water quantity predictions over the operations, closure and post-closure phases. The flow outputs from the climate variability water balance were used as the inputs to the corresponding water quality model prepared by SEA. The general arrangement for the maximum footprint of the project used for the water balance is shown on Figure 1.

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Figure 1 General Arrangement for the Maximum Footprint

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3 – WATER MANAGEMENT ASSUMPTION UPDATES

The basic components of the water balance remain unchanged from those in the Proposal, but the water management plan was modified to address potential water quality issues identified by climate variability water quality modelling. The water management plan was modified as follows:

3.1 TAILINGS MANAGEMENT FACILITY AND OPEN PIT

Operations (Years 1 to 22): • The water management pond (WMP) to be constructed downstream of the TMF embankment will include a

seepage cut-off wall keyed into bedrock. The purpose of the cut-off wall will be to intercept all seepage from the TMF and force it to surface where it will collect in the storage pond. Previously, this seepage cut-off was to be implemented only at closure but now it will be constructed prior to operations in order to improve the capture of seepage from the TMF.

Closure Water Management Phase I (Years 23 to 34): • During the first 5 years of closure (Year 23 to 27), while the TMF pond water is being pumped to the Open

Pit, the seepage and runoff collected in the WMP will also be pumped directly to the Open Pit. Pumping of the WMP water directly to the Open Pit will help to facilitate ongoing improvement of water quality in the TMF pond.

• Following the 5 years of pumping TMF pond water to the Open Pit, the TMF pond will be allowed to fill naturally to the closure spillway elevation and then discharge to Casino Creek. Pumping of seepage from the WMP to the Open Pit will continue until the TMF pond reaches the approximate spillway elevation, which is predicted to occur in approximately Year 34 (under median conditions). The TMF filling time predicted in the climate variability water balance is similar to that predicted in the Proposal water balance; that is, approximately 10 to 15 years after the end of operations.

• The WMP will be expanded in closure to 600,000 m3 (unchanged from the Proposal) in order to accommodate runoff and seepage water collected from the TMF and store it during the winter months. In the Proposal, this pond was referred to as the “winter seepage mitigation pond” in closure. For simplicity, in the climate variability model this pond will be referred to as the “water management pond” in closure, since the pond features largely remain the same as in operations (i.e. seepage cut-off wall), with the exception of the increase in volume.

• The closure cover on the Heap Leach Facility (HLF) was assumed to be 80% effective at reducing infiltration for the climate variability water balance, as opposed to an assumption of 50% in the deterministic water balance. This increase in effectiveness is based on re-contouring of the heap surface slopes and the placement of a low permeability material on top of the heap, as described in the “Conceptual Closure and Reclamation Plan” (Brodie, 2013) submitted with the Proposal.

Closure Water Management Phase II (Years 35 to 109): • Seasonal discharge from the WMP will commence once the TMF is spilling and when natural flows in

Brynelson Creek are sufficient to provide substantial dilution. This constraint was implemented as a mitigation measure in order to prevent the discharge of seepage from the project at times when there is little to no dilution available from surface runoff. The seasonal timing and associated discharge rates from the WMP will be as follows: o In April, the WMP will be allowed to discharge naturally as required. o In May, once Brynelson Creek is flowing at a rate of 20 L/s or more, the WMP will discharge at a ratio of

0.8 times the Brynelson Creek flow. o From June to November the WMP will discharge at a ratio of 0.8 times the Brynelson Creek flow or 200

L/s, whichever is greater. This condition will ensure that the pond will be emptied by the end of November each year.

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• An additional mitigation measure adopted in the climate variability model included the discharge of surface water from the TMF to Casino Creek at the onset of freshet and through April and May to supplement the dilution of the seepage discharge from the WMP. A low-level outlet was incorporated into the TMF spillway and was assumed to discharge water at a ratio of 2.0 times the WMP seepage discharge in April and May, and then at a ratio of 1.2 until November, while still maintaining adequate water cover over the wetlands, tailings and waste rock stored in the TMF, under all climatic conditions.

• The TMF will continue to discharge excess water via the closure spillway under wet conditions, as necessary.

Closure Water Management Phase III (Year 109+): • The Open Pit is predicted to be full as of Year 109 (under median conditions), approximately 87 years after

the end of operations. This filling time is approximately 5 years less than the 92 years (Year 114) that was predicted with the deterministic water balance.

• Once the Open pit is completely flooded and discharging to the TMF, the TMF seasonal discharge (April through to November) ratio was assumed to increase to 2.5 times the WMP discharge.

4 – VARIABLE CLIMATE INPUTS AND ASSUMPTIONS

4.1 NET PRECIPITATION INPUTS

Climate variability was modelled using the net precipitation values from the calibrated watershed model described in Appendix A of the Casino Project – YESAB Water Balance Model Report (KP, 2013b). Net precipitation is the water available for groundwater recharge and runoff, determined as the total amount of precipitation (rainfall and snowmelt) less losses to the environment (e.g. evapotranspiration and soil moisture losses). The watershed model produced a 52 year time series of net precipitation values for baseline and mine development conditions, as presented in Appendices A and B (attached), respectively.

4.2 LAKE EVAPORATION

The deterministic water balance used an annual lake evaporation value of 300 mm for the project site, based on mean monthly values calculated using the Thornthwaite equation (without latitude correction), as presented in the baseline climate report (KP, 2013c). A subsequent review of lake evaporation for the project suggested that the annual value should be greater, and more in the range of 350 mm to 400 mm. Therefore the lake evaporation values in the climate variability water balance were revised to equate to an average annual value of approximately 390 mm, which was achieved by applying a latitude adjustment factor to the monthly values calculated using the Thornthwaite equation. The revised lake evaporation estimates are considered appropriate based on regional evaporation information currently available from the Yukon and Alaska. The estimated monthly lake evaporation values for the TMF pond and the Pit Lake, at an assumed elevation of 1400 m, are shown in Table C.1 in Appendix C.

4.3 DOWNSTREAM WATER QUALITY COMPLIANCE NODE

Flows at an additional node (W16) located downstream of the water balance model footprint were calculated for water quality purposes. Flows at this node were simulated by prorating flows from the upstream water balance model on the basis of drainage area.

5 – WATER BALANCE RESULTS

5.1 OVERVIEW

Using the climate variability approach, 52 different simulated flow values were generated for each node in the model. The water balance flow schematics, as previously developed for the deterministic water balance (KP, 2013b), were updated and are included in Appendix D. The annual flow volumes that correspond to the

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nodes presented in the flow schematics for each water management phase have also been summarized in Table D.1, based on the median case results.

The following sections present discussions of detailed water balance results for the TMF, Open Pit, Water Management Pond (WMP), and Heap Leach Facility (HLF). The results are presented as monthly and annual probabilistic values (median, 95th percentile wet and 5th percentile dry), as well as mean, maximum and minimum values derived from the 52 model iterations.

5.2 TAILINGS MANAGEMENT FACILITY

The water balance was used to determine the likelihood of having a surplus or a deficit water condition for mill operations. A deficit condition pertains to when the TMF pond volume is insufficient to maintain mill operations. The minimum required TMF pond volume during operations was assumed to be 15 Mm3, which is equal to approximately three months of mill requirements. Makeup water from the Yukon River was used to supplement the mill process water when deficit conditions occurred during years of mill operations (Years 1 to 22). The annual makeup flow requirements for the mill during operations are summarized in Table 1.

Prior to mill start up in Year 1, water from the Yukon River will be required to supplement the TMF pond to establish the minimum starting pond volume of 15 Mm3. The start-up water requirements from the Yukon River are summarized in Table 2. The Yukon River freshwater pipeline will be adequately sized to convey the makeup water requirements for all phases of the Project. Figure 2 presents the possible range of pond volumes in the TMF, for both pre-production and operations of the mine, under variable climate conditions.

The TMF makeup water requirements at start-up and during operations that are predicted by the climate variability water balance are consistent with but slightly lower than those predicted by the deterministic water balance. There is no makeup water required under all scenarios for Year 22 because the TMF is in a surplus condition and can supply all the required process water required by the mill.

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Table 1 Annual Process Water Makeup Requirements

Mine Year Process Water Makeup Requirements (m3/yr)

Mean Maximum 5th Percentile Dry Median 95th Percentile Wet Minimum

1 4,527,000 8,080,000 7,494,000 4,227,000 2,533,000 2,314,000

2 9,301,000 13,150,000 12,670,000 9,512,000 5,330,000 880,000

3 7,311,000 11,540,000 10,740,000 7,351,000 4,516,000 1,632,000

4 5,295,000 8,686,000 8,476,000 4,939,000 3,189,000 0

5 5,013,000 8,557,000 8,335,000 4,891,000 1,902,000 0

6 5,188,000 8,910,000 8,650,000 5,091,000 2,181,000 0

7 4,889,000 8,284,000 8,125,000 4,859,000 1,751,000 0

8 4,917,000 8,598,000 8,337,000 4,838,000 1,159,000 0

9 5,226,000 8,914,000 8,773,000 5,150,000 1,958,000 0

10 4,546,000 8,297,000 7,859,000 4,472,000 1,333,000 0

11 4,422,000 8,245,000 7,746,000 4,391,000 629,000 0

12 4,760,000 8,624,000 8,260,000 4,774,000 1,132,000 0

13 4,876,000 8,716,000 8,354,000 4,849,000 1,378,000 0

14 4,453,000 8,214,000 7,888,000 4,388,000 934,000 0

15 4,303,000 8,376,000 7,864,000 4,132,000 324,000 0

16 4,119,000 8,107,000 7,682,000 4,125,000 218,000 0

17 6,278,000 10,770,000 10,380,000 6,241,000 2,549,000 0

18 6,996,000 11,230,000 10,810,000 7,024,000 3,487,000 0

19 4,771,000 8,048,000 7,851,000 4,613,000 1,750,000 0

20 4,436,000 8,167,000 7,875,000 4,358,000 493,000 0

21 4,916,000 8,632,000 8,315,000 4,832,000 1,828,000 0

22 0 0 0 0 0 0

Table 2 Start-Up Makeup Water Requirements for the TMF

Start-Up Water Requirements from the Yukon River to the TMF (Mm3)

Mean 8.5

Maximum 14.5

5th Percentile Dry 12.6

Median 9.0

95th Percentile Wet 4.0

Minimum 0.0

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Figure 2 Tailings Management Facility Simulated Pond Volumes for Operations

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Following the cessation of milling activities, water in the TMF pond will be pumped to the Open Pit to allow for the construction of the North and South TMF wetlands. The range of possible TMF pond water depths resulting from pumping under various climate scenarios are summarized in Table 3. Following the wetland establishment, the TMF pond will then fill at its natural inflow rate, and will take between 10 and 15 years to completely fill and begin spilling, depending on climate conditions.

Table 3 TMF Water Depth as a Result of Pumping to the Open Pit

TMF Pond Depth (m)

Mean 1.0

Minimum 0.5

5th Percentile 0.5

Median 1.0

95th Percentile 1.8

Maximum 2.0

Discharge from the TMF pond in closure will be via the constructed TMF spillway to Casino Creek downstream of the WMP. The discharge from the TMF pond will be a combination of the water released through the low-level outlet in the spillway and the excess flow through the main spillway during wet periods. The predicted total combined monthly and annual discharges through the TMF spillway (low-level + main spillway) are summarized in Table 6 for the varying climate conditions. The monthly and annual flow rates for Years 60 and 120 are shown, which represent the periods prior to the Open Pit spilling and after the Open Pit spilling.

Table 4 TMF Spillway Flows

Flow (L/s)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Closure Water Management

Phase II (prior to Open

Pit spilling) Year 60

Mean 0 0 0 70 515 140 303 199 154 79 32 0 124

Minimum 0 0 0 0 76 43 53 31 34 33 0 0 64 5th Percentile

Dry 0 0 0 0 100 57 55 50 48 42 5 0 69

Median 0 0 0 37 570 103 220 92 83 62 32 0 111 95th Percentile

Wet 0 0 0 255 1,244 345 999 729 458 215 57 0 232

Maximum 8 6 3 357 1,537 604 1,292 925 1,372 352 62 0 352


Phase III (after Open Pit

spilling) Year 120

Mean 0 0 0 52 582 258 472 320 285 139 69 0 182

Minimum 0 0 0 0 98 85 112 69 70 74 0 0 109

5th Percentile Dry

0 0 0 0 127 120 115 106 104 81 11 0 118

Median 0 0 0 38 708 220 437 203 222 131 70 0 173

95th Percentile Wet

0 0 0 167 1,260 480 1,082 915 640 224 118 0 303

Maximum 0 0 2 318 1,400 841 1,335 1,067 1,521 368 128 0 435

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5.3 OPEN PIT

During closure, the Open Pit will be allowed to fill and become a pit lake. The annual Pit Lake discharge volume will be released to the North TMF Wetland at a controlled rate through a gravity controlled discharge system during the warmest months of the year (June through September). The climate variability water balance was used to determine the Pit Lake filling time under variable climatic conditions. The climate variability water balance simulation shows that the Pit Lake will take approximately 87 years (Year 109) to fill after the end of operations for the median case, and 83 to 88 years to fill based on 95th percentile wet and 5th percentile dry scenarios, respectively.

Once pit filling is achieved, a controlled release flow averaging 180 L/s (June through September) will be required to maintain lake levels in the Pit at or below an elevation of 1095 masl, based on average climate conditions. Flows in excess of the controlled flow rate will be allowed to spill to the North TMF Wetland. Table 5 summarizes the release rates from the Pit Lake to the North TMF Wetland for Year 110. The climate variability water balance results show that the assumed release rate from the deterministic water balance of 180 L/s will still able to maintain the maximum Pit water level elevation of 1095 masl in closure, for the median and dry scenarios. For the 95th percentile wet scenario, the climate variability model predicts excess release rates to occur in the first 11 years (Years 109 to 119) following the commencement of the Pit Lake release. The surplus flows will be discharged downstream to the North TMF Wetland.

Table 5 Pit Lake Release Rates

Flow (L/s)


Controlled Release Year 110

Mean 0 0 0 0 0 170 179 180 180 0 0 0 59

Minimum 0 0 0 0 0 0 122 180 180 0 0 0 40

5th Percentile Dry

0 0 0 0 0 24 180 180 180 0 0 0 47

Median 0 0 0 0 0 180 180 180 180 0 0 0 60

95th Percentile Wet

0 0 0 0 0 180 180 180 180 0 0 0 60

Maximum 0 0 0 0 0 180 180 180 180 0 0 0 60

Excess Release Year 110

Mean 0 0 0 0 0 16 4 1 0 0 0 0 2

Minimum 0 0 0 0 0 0 0 0 0 0 0 0 0

5th Percentile Dry

0 0 0 0 0 0 0 0 0 0 0 0 0

Median 0 0 0 0 0 0 0 0 0 0 0 0 0

95th Percentile Wet

0 0 0 0 0 172 24 0 0 0 0 0 17

Maximum 9 2 1 0 11 221 81 58 0 0 0 0 25

5.4 WATER MANAGEMENT POND

The Water Management Pond (WMP) that will be constructed prior to operations, downstream of the TMF main embankment, includes a groundwater seepage cut-off wall keyed into bedrock, which will function to collect seepage and embankment runoff. In closure, the WMP will be expanded to a volume of 600,000 m3 to allow for

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the collection and storage of all runoff and seepage over the winter. Initially in closure, the water collected will be pumped directly to the Open Pit for the duration of Closure Water Management Phase I. Once the TMF begins spilling (Closure Water Management Phase II), flows collected in the WMP will be stored during the low flow months (December through March) and discharged during the spring to coincide with periods of flows in Brynelson Creek and and/or discharge from TMF spillway (April through November). Discharge from the WMP will continue in Closure Water Management Phase III, once the Open Pit is full and spilling to the TMF pond. The flow releases from the WMP are summarized in Table 6 for Years 60 and 120, which represent the periods prior to and after the Open Pit is spilling to the TMF pond.

The water management pond flow release rates for the closure period predicted by both the climate variability and deterministic water balances are consistent on an annual basis, for the median scenario. However, the monthly distributions of the flow releases differ, as those for the climate variability water balance were modified to match the timing of higher flows in Brynelson Creek in order to achieve better dilution of the winter seepage releases. This modification results in higher discharges from the pond in May, compared to the deterministic water balance, with minimal releases in April and November. Overall, the water management pond in closure is still predicted to empty by the end of each year and provide adequate storage for the winter seepage and runoff.

Table 6 Water Management Pond Flow Releases in Closure

Flow (L/s)



Phase II (prior to Open Pit

spilling) Year 60

Mean 0 0 0 14 219 90 128 77 65 51 27 0 56

Minimum 0 0 0 0 38 35 45 26 28 28 0 0 43

5th Percentile Dry

0 0 0 0 50 47 46 42 40 35 4 0 48

Median 0 0 0 11 285 75 94 72 63 51 27 0 56

95th Percentile Wet

0 0 0 42 341 186 324 135 94 66 47 0 66

Maximum 0 0 0 69 364 338 346 171 124 74 51 0 72


Phase III (after Open Pit

spilling) Year 120

Mean 0 0 0 14 218 90 127 77 66 52 28 0 56

Minimum 0 0 0 0 39 34 45 27 28 29 0 0 43

5th Percentile Dry

0 0 0 0 51 47 46 42 41 32 4 0 47

Median 0 0 0 8 283 75 94 72 63 52 28 0 56

95th Percentile Wet

0 0 0 41 341 190 321 146 94 67 47 0 66

Maximum 0 0 0 67 364 336 343 178 124 74 51 0 72

5.5 HEAP LEACH FACILITY

The results of the climate variability water balance indicate that the Heap Leach Facility (HLF) will operate in a water deficit condition during all months of operations when ore stacking is active (Years -3 to 15). Table 7 summarizes the annual makeup water requirements during operations when ore is being actively irrigated with cyanide solution. As shown in Table 7, the makeup water requirements will decrease each year as water released from inactive areas becomes available and the environmental contributions will increase due to the increasing heap footprint. The makeup requirements predicted by the climate variability water balance are slightly lower than those predicted by the deterministic water balance; however, this also results in more

12 of 15 VA15-01998 February 5, 2015

discharge from the heap to the TMF pond and/or Open Pit in the active closure phases of heap operations, as shown on Figure 3.

Figure 3 presents estimates of the surplus water generated from the heap as well as the accumulated water stored in the heap, for the median and 95th percentile wet cases. The heap will be in a surplus condition from July to September, in Years 15 to 23 (median case), because the environmental inputs will exceed the leaching water requirements during these months. The surplus water from Years 15 to 18 (blue line) is assumed to be recycled to inactive areas of the heap, therefore adding to the water inventory in the heap. During the rinsing phase (Years 19 to 23) no additional water will accumulate in the heap because the surplus water (orange line) will be pumped to the Open Pit to aid in pit filling. Once the heap draindown commences in Year 24, the stacked ore is assumed to drain to the long-term residual moisture content of 5% (by mass) over 5 years until Year 29. During the heap draindown phase, the draindown water will be discharged from the heap at a constant rate of 52,535 m3/mon (1726 m3/day) plus whatever environmental inputs occur (rain plus snowmelt), which will result in the seasonal discharge pattern illustrated by the red line on Figure 3. The surplus water during this phase is assumed to be pumped to the Open Pit. Once the draindown flow reaches manageable levels, as of Year 29, the closure cover on the heap is assumed to become effective by reducing the infiltration through the heap by 80% of net precipitation, and accordingly the water discharged from the heap will be reduced, as shown by the green line. From this time onwards, in perpetuity, the heap discharge as well as the runoff from the closure cover will be routed naturally downstream to the TMF pond.

Figure 3 Heap Leach Facility – Accumulated Water and Monthly Surplus

13 of 15 VA15-01998 February 5, 2015

Table 7 Annual Process Water Makeup Requirements for HLF

Mine Year Process Water Makeup Requirements (m3/yr)

Mean Maximum 5th Percentile Dry Median 95th Percentile Wet Minimum

-3 166,700 467,500 342,500 143,600 112,400 94,500

-2 33,800 186,900 169,600 0 0 0

-1 7,500 147,900 80,400 0 0 0

1 497,900 623,800 599,300 492,800 377,800 250,700

2 463,200 605,700 577,600 462,800 329,200 192,800

3 429,400 593,700 551,500 420,800 301,800 179,200

4 421,200 578,500 547,800 408,100 290,000 189,800

5 409,900 564,300 536,700 394,700 276,600 183,200

6 401,700 562,300 535,100 388,900 263,000 181,400

7 385,100 561,700 521,600 373,300 243,900 169,700

8 381,100 553,400 515,200 369,400 250,800 181,100

9 372,500 547,600 516,400 357,100 248,000 179,400

10 367,800 541,500 504,800 354,700 246,400 179,800

11 362,500 529,100 500,100 355,600 234,500 159,200

12 318,400 493,200 457,000 306,000 187,700 118,200

13 383,800 565,000 522,300 371,500 257,100 187,300

14 379,600 569,900 518,700 367,800 255,400 189,200

15 216,100 329,200 298,400 208,100 175,400 170,200

16 240,200 356,200 315,000 229,500 197,400 192,200

17 239,400 352,700 320,000 226,800 195,800 190,600

18 237,400 357,600 315,100 226,600 193,800 190,700

19 235,300 355,600 311,700 225,000 191,800 189,600

20 240,500 357,400 313,500 229,900 199,500 194,500

21 239,800 348,400 315,100 226,900 198,700 193,400

22 238,700 348,300 313,300 229,900 195,600 190,600

23 239,500 352,700 320,200 228,900 194,800 192,800

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6 – SUMMARY

The deterministic (Proposal) water balance was updated to include climate variability. The purpose of the climate variability model was to evaluate the quantities and rates of flow of water in the ground, in the streams, and in various mine facilities under a variety of climate conditions. The climate variability water balance results were also used by SEA to develop a water quality model for the project. The key results of the water balance for varying climate conditions are as follows: • The project mine will be in a water deficit condition during operations; therefore, makeup water from the

Yukon River freshwater pipeline will be required to supplement the mill process. Makeup water requirements for dry conditions (5th percentile) will range from 12.6 Mm3/yr at the start of operations to 8.3 Mm3/yr at the end of operations, while for wet conditions (95th percentile) they will range from 5.3 Mm3/yr at the start of operations to 1.8 Mm3/yr at the end of operations.

• Prior to mill start up in Year 1, water from the Yukon River will be required to supplement the TMF pond to establish the minimum starting pond volume of 15 Mm3. The start-up water requirements from the Yukon River range from 12.6 Mm3 (5th percentile dry) to 4.0 Mm3 (95th percentile wet).

• Water in the TMF pond will be pumped to the Open Pit for five years following the end of operations, which will draw down the TMF pond level by approximately 0.5 m to 1.8 m, depending on the climate variability.

• The TMF will take approximately 10 to 15 years after the end of operations to begin spilling through the constructed spillway.

• Annual discharges from the TMF spillway will range from approximately 69 to 232 L/s (5th and 95th percentiles) following the TMF reaching its maximum capacity in closure, and range from approximately 118 to 303 L/s (5th and 95th percentiles) once the Pit Lake begins discharging.

• It will take approximately 83 to 88 years after the end of operations to establish the Pit Lake in the Open Pit, with an outlet elevation of 1095 masl.

• The release from the Pit Lake to the North TMF Wetland will have an average outflow of 180 L/s during June through September in order to maintain the Pit Lake elevation. For the 95th percentile wet scenario, additional water will be need to be released in the first 11 years after the Pit is full to maintain the Pit Lake elevation at 1095 m. Releases are not required under the median and dry scenarios.

• The water management pond (WMP) constructed downstream of the TMF will begin releasing flows when the TMF has reached its maximum capacity and begins spilling. The WMP will release flow from April to November, with the flow rates varying per month to match the flow in Brynelson Creek in order to provide the necessary dilution to maintain water quality standards. There will be no flow releases from December through March and the pond has been sized to collect and store seepage and runoff during the winter months.

• The heap leach facility will be in a water deficit condition during operations, with makeup water consistently required from the Yukon River. Makeup water requirements for dry conditions (5th percentile) will range from 0.08 Mm3/yr to 0.6 Mm3/yr, while for wet conditions (95th percentile) they will range from 0.1 Mm3/yr to 0.4 M m3/yr. After operations, the heap leach facility will be in a surplus condition and water will be discharged to the Open Pit until draindown is complete, after which it will be discharged to the TMF.

VA15-01998 February 4, 2015

APPENDIX A

BASELINE NET PRECIPITATION VALUES FROM WATERSHED MODEL

(Pages A-1 to A-8)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec1 0 0 0 8 15 1 20 55 10 0 0 0 1092 0 0 0 0 103 17 0 10 14 0 0 0 1443 0 0 0 6 19 0 109 12 21 1 0 0 1674 0 0 0 0 41 13 8 2 5 0 0 0 695 0 0 0 9 96 37 2 9 3 0 0 0 1566 0 0 0 0 66 60 76 5 8 5 0 0 2207 0 0 0 4 23 3 6 0 18 0 0 0 538 0 0 0 1 59 3 0 0 0 0 0 0 649 0 0 0 0 104 36 42 38 20 1 0 0 241

10 0 0 0 9 68 0 0 0 44 0 0 0 12211 0 0 0 19 31 0 23 0 5 0 0 0 7812 0 0 0 4 60 0 0 0 33 0 0 0 9713 0 0 0 4 46 1 0 4 7 0 0 0 6314 0 0 0 0 83 57 11 0 9 0 0 0 16015 0 0 0 37 63 25 11 38 0 0 0 0 17416 0 0 0 4 64 4 18 5 0 0 0 0 9517 0 0 0 5 40 0 23 5 26 0 0 0 9818 0 0 0 18 95 7 9 0 0 0 0 0 12919 0 0 0 12 56 13 1 0 0 0 0 0 8220 0 0 0 3 13 4 77 25 13 2 0 0 13621 0 0 0 5 100 22 21 0 6 0 0 0 15422 0 0 0 14 6 0 3 7 50 6 0 0 8523 0 0 0 0 15 4 66 22 61 8 0 0 17624 0 0 0 1 95 2 12 1 15 0 0 0 12725 0 0 0 30 52 18 20 83 22 2 0 0 22726 0 0 0 19 48 0 8 23 18 0 0 0 11627 0 0 0 0 62 54 72 32 24 0 0 0 24428 0 0 0 0 70 20 46 26 0 0 0 0 16229 0 0 0 7 34 0 12 7 43 14 0 0 11730 0 0 0 26 55 0 30 3 1 0 0 0 11531 0 0 0 11 37 19 0 0 0 0 0 0 6832 0 0 0 10 55 30 0 3 32 0 0 0 13133 0 0 0 32 70 0 10 9 40 0 0 0 16234 0 0 0 13 133 22 7 20 34 0 0 0 22735 0 0 0 43 106 1 12 14 12 8 0 0 19736 0 0 0 31 52 27 3 0 0 0 0 0 11437 0 0 0 9 3 1 45 78 0 0 0 0 13638 0 0 0 10 136 21 60 10 21 0 0 0 25839 0 0 0 21 6 2 0 0 7 0 0 0 3740 0 0 0 8 37 34 0 25 33 4 0 0 14141 0 0 0 6 122 14 61 80 109 0 0 0 39242 0 0 0 11 26 17 91 8 13 1 0 0 16843 0 0 0 0 66 0 36 71 0 1 0 0 17544 0 0 0 1 30 4 11 2 9 1 0 0 6045 0 0 0 54 100 0 3 0 38 1 0 0 19746 0 0 0 36 49 20 70 0 12 11 0 0 19847 0 0 0 11 56 1 6 10 0 0 0 0 8448 0 0 0 19 25 3 10 1 54 1 0 0 11349 0 0 0 16 47 0 27 117 28 1 0 0 23650 0 0 0 14 69 0 0 58 7 4 0 0 15251 0 0 0 17 8 2 63 12 1 1 0 0 10452 0 0 0 4 18 90 95 39 2 1 0 0 248

Average 0 0 0 12 56 14 26 19 18 1 0 0 146Minimum 0 0 0 0 3 0 0 0 0 0 0 0 37Maximum 0 0 0 54 136 90 109 117 109 14 0 0 392

TABLE A.1

CASINO MINING CORPORATIONCASINO PROJECT

BASELINE NET PRECIPTIATON VALUESNODE W3 - CANADIAN CREEEK

Monthly Net Precipitation (mm/mon) Annual Net Precipitation

(mm/yr)Year

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0 13JAN'15 EER JGCISSUED WITH LETTER VA15-01945 KJBDATE DESCRIPTION PREP'D CHK'D APP'DREV

A-1 of 8


10 0 0 0 13 61 0 0 0 51 0 0 0 12611 0 0 0 26 20 0 27 0 6 1 0 0 8012 0 0 0 7 56 0 0 0 39 0 0 0 10313 0 0 0 6 42 0 0 5 9 0 0 0 6214 0 0 0 0 83 57 13 0 12 0 0 0 16515 0 0 0 53 47 21 13 41 0 0 0 0 17616 0 0 0 5 63 0 20 7 0 0 0 0 9617 0 0 0 7 33 0 27 6 27 0 0 0 10018 0 0 0 27 85 7 12 0 0 0 0 0 13119 0 0 0 20 45 14 1 0 0 1 0 0 8120 0 0 0 6 11 5 82 27 13 3 0 0 14621 0 0 0 6 95 23 24 0 7 0 0 0 15622 0 0 0 18 1 0 3 9 54 8 0 0 9423 0 0 0 1 10 6 70 24 65 11 0 0 18524 0 0 0 1 93 0 14 1 17 0 0 0 12625 0 0 0 45 34 20 23 87 26 2 0 0 23726 0 0 0 29 32 0 10 26 18 0 0 0 11527 0 0 0 1 60 57 77 34 26 0 0 0 25428 0 0 0 0 70 19 50 28 0 0 0 0 16729 0 0 0 11 26 0 15 9 44 20 0 0 12730 0 0 0 39 32 0 34 4 0 0 0 0 11031 0 0 0 19 27 21 0 0 0 0 0 0 6732 0 0 0 19 45 33 0 3 35 0 0 0 13633 0 0 0 48 50 0 13 11 41 0 0 0 16334 0 0 0 17 141 6 9 21 48 0 0 0 24435 0 0 0 63 72 0 16 16 12 12 0 0 19036 0 0 0 41 35 30 3 0 0 1 0 0 11037 0 0 0 12 1 0 49 82 0 1 0 0 14538 0 0 0 16 130 24 64 11 22 0 0 0 26739 0 0 0 28 1 1 0 0 9 0 0 0 4040 0 0 0 15 26 36 0 28 34 5 0 0 14541 0 0 0 9 120 12 65 84 116 1 0 0 40642 0 0 0 17 19 15 96 9 14 2 0 0 17143 0 0 0 0 64 0 41 75 0 1 0 0 18144 0 0 0 2 26 5 15 3 10 2 0 0 6245 0 0 0 78 70 0 3 0 47 2 0 0 20046 0 0 0 52 25 22 74 0 13 16 0 0 20347 0 0 0 16 42 1 8 13 0 1 0 0 8148 0 0 0 30 14 3 12 1 56 1 0 0 11749 0 0 0 23 37 0 31 123 29 1 0 0 24450 0 0 0 20 58 0 0 64 7 6 0 0 15551 0 0 0 22 1 2 67 14 1 1 0 0 10752 0 0 0 7 13 95 101 41 2 2 0 0 260


TABLE A.2


BASELINE NET PRECIPTIATON VALUESNODE W14 - BRITIANNIA CREEK


YearMonthly Net Precipitation (mm/mon) Annual Net

Precipitation (mm/yr)

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A-2 of 8


10 0 0 0 5 92 0 0 0 63 0 0 0 16111 0 0 0 29 37 0 36 0 9 0 0 0 11012 0 0 0 4 78 0 0 1 51 0 0 0 13313 0 0 0 1 64 0 0 9 13 0 0 0 8614 0 0 0 0 110 65 18 0 16 0 0 0 21015 0 0 0 31 88 32 18 48 0 0 0 0 21716 0 0 0 0 89 1 29 10 0 0 0 0 13017 0 0 0 3 57 0 37 8 32 0 0 0 13818 0 0 0 13 124 10 16 0 1 0 0 0 16419 0 0 0 11 80 20 2 0 0 0 0 0 11420 0 0 0 4 25 7 97 32 16 1 0 0 18321 0 0 0 1 128 29 30 0 10 1 0 0 19822 0 0 0 27 4 0 6 13 65 8 0 0 12223 0 0 0 0 20 8 83 29 70 5 0 0 21524 0 0 0 0 123 0 21 1 24 0 0 0 16925 0 0 0 33 69 26 28 95 28 1 0 0 28026 0 0 0 26 59 0 14 33 22 0 0 0 15427 0 0 0 0 80 64 85 39 29 0 0 0 29928 0 0 0 0 90 24 57 33 0 0 0 0 20529 0 0 0 6 50 0 21 13 51 13 0 0 15530 0 0 0 30 72 0 45 6 1 0 0 0 15431 0 0 0 16 50 27 0 0 0 0 0 0 9432 0 0 0 18 75 39 0 5 44 0 0 0 18133 0 0 0 28 95 1 18 15 48 0 0 0 20634 0 0 0 5 174 19 13 29 31 0 0 0 27035 0 0 0 41 142 0 23 22 16 8 0 0 25136 0 0 0 45 59 36 5 0 0 0 0 0 14537 0 0 0 21 3 1 66 90 0 0 0 0 18138 0 0 0 8 166 29 72 15 25 0 0 0 31639 0 0 0 35 5 4 0 0 14 0 0 0 5840 0 0 0 12 53 45 0 37 39 1 0 0 18841 0 0 0 2 157 18 74 92 125 0 0 0 46642 0 0 0 12 39 21 107 13 17 0 0 0 21043 0 0 0 0 85 0 51 83 0 1 0 0 22044 0 0 0 0 44 8 20 4 14 2 0 0 9345 0 0 0 47 134 0 5 0 57 0 0 0 24346 0 0 0 46 57 28 83 0 19 10 0 0 24347 0 0 0 8 76 3 11 18 0 0 0 0 11748 0 0 0 23 34 6 19 2 68 0 0 0 15249 0 0 0 11 65 0 42 133 34 0 0 0 28650 0 0 0 8 94 0 0 78 10 4 0 0 19251 0 0 0 30 6 5 81 18 2 0 0 0 14252 0 0 0 5 28 107 111 47 3 1 0 0 303


TABLE A.3


BASELINE NET PRECIPTIATON VALUESNODE W11 - UPPER CASINO CREEK




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A-3 of 8


10 0 0 0 5 97 0 0 1 62 0 0 0 16511 0 0 0 23 49 0 36 0 9 0 0 0 11812 0 0 0 4 82 0 0 1 48 0 0 0 13613 0 0 0 1 68 3 0 9 13 0 0 0 9414 0 0 0 0 110 73 18 0 15 0 0 0 21715 0 0 0 29 91 42 18 48 0 0 0 0 22716 0 0 0 1 86 8 31 10 0 0 0 0 13617 0 0 0 3 63 0 37 9 33 0 0 0 14518 0 0 0 13 127 13 16 0 1 0 0 0 17119 0 0 0 12 86 20 2 0 1 0 0 0 12120 0 0 0 4 28 7 99 32 17 1 0 0 18821 0 0 0 1 132 31 30 0 11 0 0 0 20522 0 0 0 21 11 0 7 13 63 6 0 0 12123 0 0 0 0 28 8 83 29 70 5 0 0 22324 0 0 0 0 122 5 23 1 25 0 0 0 17625 0 0 0 27 81 26 29 96 25 1 0 0 28426 0 0 0 21 72 1 14 33 22 0 0 0 16427 0 0 0 0 84 66 85 40 29 0 0 0 30428 0 0 0 0 90 30 57 33 0 0 0 0 21229 0 0 0 7 55 0 22 13 52 11 0 0 16030 0 0 0 24 86 0 46 6 1 0 0 0 16331 0 0 0 13 59 28 0 0 1 0 0 0 10032 0 0 0 14 84 40 0 5 45 0 0 0 18833 0 0 0 26 105 1 18 16 49 0 0 0 21434 0 0 0 5 159 41 13 30 27 0 0 0 27535 0 0 0 36 155 3 23 22 16 7 0 0 26236 0 0 0 35 77 36 5 0 0 0 0 0 15337 0 0 0 18 8 1 67 91 0 0 0 0 18538 0 0 0 9 171 30 73 16 26 0 0 0 32439 0 0 0 27 13 6 0 0 15 0 0 0 6040 0 0 0 11 60 47 0 38 39 2 0 0 19741 0 0 0 2 155 27 74 92 120 0 0 0 47042 0 0 0 11 43 29 107 13 18 0 0 0 22143 0 0 0 0 89 1 51 83 0 1 0 0 22544 0 0 0 0 49 9 21 5 14 1 0 0 9945 0 0 0 41 148 1 6 0 52 1 0 0 24946 0 0 0 36 79 28 83 0 20 9 0 0 25647 0 0 0 9 84 3 11 18 1 0 0 0 12548 0 0 0 19 43 7 19 2 69 0 0 0 15949 0 0 0 12 71 0 43 133 34 0 0 0 29350 0 0 0 8 100 0 0 79 10 3 0 0 20051 0 0 0 23 15 6 83 18 2 1 0 0 14752 0 0 0 5 33 108 111 47 3 1 0 0 308


TABLE A.4


BASELINE NET PRECIPTIATON VALUESNODE W18 - BRYNELSON CREEK




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A-4 of 8


10 0 0 0 22 49 0 0 0 58 0 0 0 12911 0 0 0 30 15 0 34 0 6 2 0 0 8612 0 0 0 16 48 0 0 0 46 0 0 0 11013 0 0 0 7 37 0 0 6 12 0 0 0 6214 0 0 0 0 82 61 16 0 14 0 0 0 17315 0 0 0 89 13 20 17 44 0 0 0 0 18316 0 0 0 7 58 0 26 9 0 0 0 0 9917 0 0 0 15 23 0 31 7 28 0 0 0 10618 0 0 0 53 57 9 15 0 0 0 0 0 13419 0 0 0 43 21 17 1 0 0 2 0 0 8320 0 0 0 14 4 5 90 30 14 5 0 0 16221 0 0 0 8 90 26 28 0 9 0 0 0 16022 0 0 0 18 0 0 3 12 58 10 0 0 10123 0 0 0 1 8 7 76 27 68 18 0 0 20524 0 0 0 2 84 0 18 0 20 0 0 0 12525 0 0 0 62 14 24 27 93 28 4 0 0 25126 0 0 0 37 20 0 13 30 19 0 0 0 11927 0 0 0 1 58 62 84 38 27 0 0 0 26928 0 0 0 0 69 22 56 31 0 0 0 0 17829 0 0 0 27 11 0 20 12 46 30 0 0 14530 0 0 0 49 7 0 40 5 0 0 0 0 10231 0 0 0 27 16 24 0 0 0 0 0 0 6832 0 0 0 31 35 37 0 3 40 1 0 0 14633 0 0 0 79 17 0 17 14 43 0 0 0 17034 0 0 0 25 136 2 12 25 73 0 0 0 27435 0 0 0 96 17 0 20 18 12 17 0 0 17936 0 0 0 41 27 33 4 0 0 2 0 0 10737 0 0 0 11 0 0 56 88 0 2 0 0 15738 0 0 0 36 111 27 70 13 23 0 0 0 28139 0 0 0 28 0 0 0 0 10 1 0 0 3940 0 0 0 32 10 40 0 33 36 8 0 0 16041 0 0 0 11 113 14 71 90 122 1 0 0 42242 0 0 0 32 5 16 103 12 14 3 0 0 18543 0 0 0 0 62 0 48 81 0 1 0 0 19144 0 0 0 3 22 6 19 3 11 3 0 0 6845 0 0 0 119 25 0 3 0 54 3 0 0 20546 0 0 0 64 11 25 80 0 15 25 0 0 22047 0 0 0 35 13 1 10 16 0 1 0 0 7848 0 0 0 46 2 1 14 1 60 2 0 0 12649 0 0 0 44 16 0 35 131 31 1 0 0 25750 0 0 0 36 39 0 0 72 7 11 0 0 16451 0 0 0 17 0 0 75 16 0 3 0 0 11152 0 0 0 14 4 101 108 45 2 3 0 0 278


TABLE A.5


BASELINE NET PRECIPTIATON VALUESNODE H18 - CASINO CREEK BELOW BRYNELSON

M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[WatershedSurplusWater_20130802_ER.xlsx]Table_H18Inputs



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A-5 of 8


10 0 0 0 22 51 0 0 0 58 0 0 0 13211 0 0 0 29 16 0 34 0 7 1 0 0 8712 0 0 0 14 51 0 0 0 46 0 0 0 11113 0 0 0 11 37 0 0 6 12 0 0 0 6614 0 0 0 0 83 61 16 0 14 0 0 0 17515 0 0 0 79 24 21 17 44 0 0 0 0 18516 0 0 0 10 58 0 26 9 0 0 0 0 10317 0 0 0 14 26 0 32 7 28 1 0 0 10818 0 0 0 46 66 9 15 0 0 0 0 0 13619 0 0 0 37 29 17 1 0 0 1 0 0 8520 0 0 0 11 7 5 90 30 14 5 0 0 16421 0 0 0 12 88 26 28 0 9 0 0 0 16222 0 0 0 19 0 0 3 12 59 10 0 0 10223 0 0 0 1 8 7 76 27 68 17 0 0 20524 0 0 0 2 86 0 18 0 20 0 0 0 12825 0 0 0 57 20 24 27 93 28 4 0 0 25326 0 0 0 35 23 0 13 30 19 0 0 0 12127 0 0 0 1 59 62 84 38 27 0 0 0 27128 0 0 0 0 70 22 56 31 0 0 0 0 17929 0 0 0 22 16 0 20 12 46 28 0 0 14430 0 0 0 47 14 0 40 5 0 1 0 0 10831 0 0 0 26 20 24 0 0 0 0 0 0 7032 0 0 0 29 39 37 0 3 40 1 0 0 14933 0 0 0 70 28 0 17 14 43 0 0 0 17234 0 0 0 29 134 3 12 26 68 0 0 0 27035 0 0 0 87 33 0 20 18 12 16 0 0 18636 0 0 0 42 29 33 4 0 0 2 0 0 11037 0 0 0 12 0 0 57 88 0 2 0 0 15838 0 0 0 30 119 27 70 13 23 0 0 0 28339 0 0 0 29 0 0 0 0 10 1 0 0 4140 0 0 0 28 15 40 0 33 36 9 0 0 16241 0 0 0 15 110 14 71 90 122 1 0 0 42442 0 0 0 27 10 17 103 12 14 3 0 0 18643 0 0 0 0 63 0 48 81 0 1 0 0 19344 0 0 0 5 23 6 19 4 12 3 0 0 7045 0 0 0 108 38 0 3 0 55 4 0 0 20746 0 0 0 61 15 25 80 0 15 23 0 0 22047 0 0 0 29 22 1 10 17 0 1 0 0 8148 0 0 0 41 5 2 14 1 61 3 0 0 12749 0 0 0 38 22 0 36 131 31 2 0 0 25950 0 0 0 34 44 0 0 71 7 10 0 0 16651 0 0 0 19 0 1 75 16 1 2 0 0 11452 0 0 0 12 8 102 108 45 2 3 0 0 280


TABLE A.6


BASELINE NET PRECIPTIATON VALUESNODE W4 - LOWER CASINO CREEK




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A-6 of 8


10 0 0 0 10 79 0 0 0 61 0 0 0 15111 0 0 0 30 29 0 35 0 8 1 0 0 10312 0 0 0 7 70 0 0 1 49 0 0 0 12613 0 0 0 3 55 1 0 8 13 0 0 0 8014 0 0 0 0 100 65 17 0 16 0 0 0 19915 0 0 0 47 65 30 18 47 0 0 0 0 20716 0 0 0 3 78 2 28 10 0 0 0 0 12117 0 0 0 6 48 0 35 8 31 0 0 0 12818 0 0 0 23 106 11 16 0 0 0 0 0 15519 0 0 0 19 64 19 2 0 0 1 0 0 10520 0 0 0 6 19 7 95 32 16 2 0 0 17621 0 0 0 4 115 28 29 0 10 1 0 0 18722 0 0 0 23 3 0 5 12 62 9 0 0 11523 0 0 0 0 17 8 80 28 69 9 0 0 21224 0 0 0 1 110 1 20 1 23 0 0 0 15625 0 0 0 44 50 25 28 95 28 2 0 0 27126 0 0 0 33 44 0 14 32 21 0 0 0 14427 0 0 0 0 73 64 85 39 29 0 0 0 28928 0 0 0 0 82 25 57 32 0 0 0 0 19729 0 0 0 11 39 0 21 12 50 18 0 0 15230 0 0 0 39 49 0 43 6 1 0 0 0 13831 0 0 0 22 38 26 0 0 0 0 0 0 8632 0 0 0 23 61 38 0 4 43 0 0 0 17033 0 0 0 43 72 1 17 15 47 0 0 0 19434 0 0 0 12 160 16 12 28 43 0 0 0 27135 0 0 0 58 102 1 22 20 15 11 0 0 22936 0 0 0 45 48 35 5 0 0 1 0 0 13437 0 0 0 17 2 0 63 89 0 1 0 0 17338 0 0 0 14 152 28 72 15 25 0 0 0 30639 0 0 0 33 4 2 0 0 13 0 0 0 5240 0 0 0 18 40 44 0 36 38 3 0 0 17941 0 0 0 5 141 18 73 91 123 0 0 0 45242 0 0 0 17 29 22 106 13 16 1 0 0 20343 0 0 0 0 78 0 50 82 0 1 0 0 21144 0 0 0 1 37 8 20 4 13 2 0 0 8545 0 0 0 69 99 0 4 0 56 1 0 0 23046 0 0 0 54 41 27 82 0 18 15 0 0 23747 0 0 0 14 59 2 11 17 0 1 0 0 10548 0 0 0 31 23 5 17 2 65 1 0 0 14449 0 0 0 20 52 0 40 132 33 1 0 0 27750 0 0 0 15 78 0 0 76 9 6 0 0 18451 0 0 0 26 5 3 79 17 1 1 0 0 13352 0 0 0 7 22 105 110 46 3 2 0 0 295


TABLE A.7


BASELINE NET PRECIPTIATON VALUESNODE W9 - UPPER DIP CREEK




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A-7 of 8


10 0 0 0 21 56 0 0 0 59 0 0 0 13711 0 0 0 28 21 0 34 0 7 1 0 0 9112 0 0 0 11 57 0 0 0 47 0 0 0 11413 0 0 0 14 39 0 0 6 12 0 0 0 7114 0 0 0 0 87 62 17 0 15 0 0 0 18015 0 0 0 67 39 22 17 45 0 0 0 0 19016 0 0 0 12 60 0 26 9 0 1 0 0 10817 0 0 0 13 31 0 32 8 28 1 0 0 11318 0 0 0 37 79 9 15 0 0 0 0 0 14119 0 0 0 30 40 17 1 0 0 1 0 0 9020 0 0 0 9 11 6 91 30 15 5 0 0 16721 0 0 0 15 88 27 28 0 9 0 0 0 16722 0 0 0 20 1 0 4 12 60 9 0 0 10523 0 0 0 1 10 7 77 27 68 15 0 0 20724 0 0 0 2 92 0 19 1 21 0 0 0 13425 0 0 0 49 31 24 27 94 28 4 0 0 25726 0 0 0 31 32 0 13 31 20 0 0 0 12627 0 0 0 1 62 63 84 38 27 0 0 0 27528 0 0 0 0 73 22 56 31 0 0 0 0 18329 0 0 0 17 24 0 20 12 47 25 0 0 14530 0 0 0 41 28 0 41 5 0 1 0 0 11731 0 0 0 22 27 24 0 0 0 0 0 0 7332 0 0 0 25 47 37 0 3 41 1 0 0 15433 0 0 0 58 43 0 17 14 44 0 0 0 17734 0 0 0 31 133 6 12 26 59 0 0 0 26835 0 0 0 74 59 0 20 19 13 14 0 0 19936 0 0 0 41 36 34 4 0 0 2 0 0 11737 0 0 0 13 1 0 58 88 0 2 0 0 16138 0 0 0 23 130 27 70 14 23 0 0 0 28839 0 0 0 30 1 1 0 0 11 1 0 0 4440 0 0 0 24 24 40 0 34 37 9 0 0 16741 0 0 0 18 111 15 72 90 123 1 0 0 43042 0 0 0 22 16 18 103 12 15 3 0 0 18943 0 0 0 0 66 0 48 81 0 1 0 0 19644 0 0 0 6 25 6 19 4 12 2 0 0 7545 0 0 0 93 59 0 3 0 55 4 0 0 21346 0 0 0 55 24 26 81 0 16 20 0 0 22247 0 0 0 23 35 1 10 17 0 1 0 0 8748 0 0 0 35 12 3 15 1 62 3 0 0 13149 0 0 0 31 31 0 36 131 31 2 0 0 26450 0 0 0 31 52 0 0 72 8 8 0 0 17151 0 0 0 21 1 2 76 16 1 2 0 0 11952 0 0 0 10 12 102 109 45 2 3 0 0 283




M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[WatershedSurplusWater_20130802_ER.xlsx]ReadMe_First

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TABLE A.8


BASELINE NET PRECIPTIATON VALUESNODE W16 - LOWER DIP CREEK


A-8 of 8

VA15-01998 February 4, 2015

APPENDIX B

OPERATIONAL NET PRECIPITATION VALUES FOR MINE FACILITIES

(Pages B-1 to B-13)


10 0 0 0 0 191 8 19 21 92 0 0 0 33111 0 0 0 15 142 0 127 5 28 0 0 0 31712 0 0 0 1 171 14 0 62 77 0 0 0 32613 0 0 0 0 155 0 17 53 29 0 0 0 25414 0 0 0 0 188 116 48 15 29 0 0 0 39615 0 0 0 5 189 89 48 69 7 0 0 0 40716 0 0 0 0 155 33 79 31 5 0 0 0 30417 0 0 0 0 158 0 89 28 44 0 0 0 31918 0 0 0 1 228 35 47 10 14 0 0 0 33519 0 0 0 2 193 47 23 6 16 0 0 0 28620 0 0 0 0 121 30 136 55 29 0 0 0 37021 0 0 0 0 223 54 60 0 47 0 0 0 38422 0 0 0 36 65 12 44 35 84 4 0 0 28023 0 0 0 0 113 31 116 51 80 0 0 0 39124 0 0 0 0 197 21 76 17 43 0 0 0 35325 0 0 0 2 196 55 59 116 29 0 0 0 45626 0 0 0 3 183 16 45 60 32 0 0 0 34027 0 0 0 0 172 90 115 60 40 0 0 0 47728 0 0 0 0 163 66 89 54 4 0 0 0 37629 0 0 0 1 150 17 58 36 63 2 0 0 32730 0 0 0 1 209 16 85 25 9 0 0 0 34531 0 0 0 0 162 55 0 16 31 0 0 0 26532 0 0 0 1 203 67 0 51 65 0 0 0 38633 0 0 0 1 221 21 50 38 61 0 0 0 39234 0 0 0 0 197 124 42 57 5 0 0 0 42535 0 0 0 3 313 0 72 45 26 1 0 0 46136 0 0 0 25 180 63 30 0 31 0 0 0 32937 0 0 0 61 51 24 111 110 5 0 0 0 36138 0 0 0 1 272 57 103 38 38 0 0 0 50839 0 0 0 30 79 39 1 16 42 0 0 0 20840 0 0 0 2 165 75 18 71 49 0 0 0 38041 0 0 0 0 231 73 104 111 134 0 0 0 65342 0 0 0 2 134 52 136 37 29 0 0 0 38843 0 0 0 0 175 11 94 103 5 2 0 0 39044 0 0 0 0 138 32 55 23 28 0 0 0 27545 0 0 0 2 287 3 44 0 102 0 0 0 43746 0 0 0 13 201 57 111 14 37 1 0 0 43447 0 0 0 0 186 24 40 44 9 0 0 0 30348 0 0 0 3 144 32 53 19 87 0 0 0 33849 0 0 0 1 170 10 85 154 44 0 0 0 46450 0 0 0 0 197 9 0 153 21 0 0 0 38051 0 0 0 29 87 34 119 41 10 0 0 0 32052 0 0 0 1 124 136 140 68 13 0 0 0 482


TABLE B.1


OPERATIONAL NET PRECIPATION VALUESOPEN PIT

M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_OpenPit



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B-1 of 13


10 0 0 0 0 214 35 49 43 99 0 0 0 44011 0 0 0 4 175 5 135 20 38 0 0 0 37812 0 0 0 0 193 40 9 71 83 0 0 0 39713 0 0 0 0 177 19 40 75 37 0 0 0 34714 0 0 0 0 185 168 78 38 26 0 0 0 49615 0 0 0 0 193 148 79 90 14 0 0 0 52416 0 0 0 0 143 92 109 53 14 0 0 0 41117 0 0 0 0 181 27 119 48 54 0 0 0 42918 0 0 0 0 250 62 77 32 24 0 0 0 44519 0 0 0 0 218 74 50 30 25 0 0 0 39820 0 0 0 0 142 55 166 77 39 0 0 0 47921 0 0 0 0 246 79 90 17 55 0 0 0 48722 0 0 0 2 126 41 74 55 88 0 0 0 38623 0 0 0 0 143 55 146 72 88 0 0 0 50424 0 0 0 0 193 70 104 37 53 0 0 0 45725 0 0 0 1 221 83 89 136 20 0 0 0 55026 0 0 0 2 218 45 74 81 41 0 0 0 46127 0 0 0 0 194 116 146 81 47 0 0 0 58428 0 0 0 0 166 108 121 74 13 0 0 0 48229 0 0 0 0 173 44 88 57 71 0 0 0 43430 0 0 0 1 238 43 114 47 16 0 0 0 46031 0 0 0 0 185 81 22 34 39 0 0 0 36132 0 0 0 0 228 94 22 68 75 0 0 0 48733 0 0 0 0 249 50 79 57 71 0 0 0 50734 0 0 0 0 163 210 73 79 0 0 0 0 52535 0 0 0 1 348 28 103 66 34 0 0 0 58036 0 0 0 4 227 89 60 14 36 0 0 0 43037 0 0 0 29 110 53 140 130 18 0 0 0 47938 0 0 0 0 295 84 134 60 49 0 0 0 62139 0 0 0 1 136 67 32 35 51 0 0 0 32340 0 0 0 0 186 104 47 95 58 0 0 0 49041 0 0 0 0 227 131 135 130 140 0 0 0 76342 0 0 0 0 151 81 165 60 38 0 0 0 49543 0 0 0 0 196 39 124 124 15 0 0 0 49744 0 0 0 0 159 58 87 44 34 0 0 0 38245 0 0 0 1 319 34 74 6 92 0 0 0 52646 0 0 0 1 257 84 139 36 47 0 0 0 56347 0 0 0 0 212 52 71 64 19 0 0 0 41848 0 0 0 0 171 61 84 41 96 0 0 0 45249 0 0 0 0 197 38 113 175 53 0 0 0 57650 0 0 0 0 223 37 19 166 31 0 0 0 47651 0 0 0 2 140 62 147 64 18 0 0 0 43352 0 0 0 0 148 164 169 89 24 0 0 0 593


TABLE B.2


OPERATIONAL NET PRECIPATION VALUESPIT LAKE (CLOSURE)



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_PitLake

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B-2 of 13


10 0 0 0 3 106 7 19 20 90 0 0 0 24611 0 0 0 42 40 0 127 4 27 0 0 0 24112 0 0 0 3 94 14 0 62 75 0 0 0 24813 0 0 0 1 74 0 17 52 28 0 0 0 17114 0 0 0 0 127 90 48 14 31 0 0 0 30915 0 0 0 29 99 57 48 68 5 0 0 0 30716 0 0 0 1 104 0 80 31 4 0 0 0 21917 0 0 0 4 74 0 89 27 43 0 0 0 23718 0 0 0 5 141 34 47 9 12 0 0 0 24919 0 0 0 10 102 47 22 5 15 1 0 0 20220 0 0 0 4 41 29 135 54 28 0 0 0 29121 0 0 0 1 138 53 59 0 46 2 0 0 29922 0 0 0 38 0 17 43 34 81 10 0 0 22423 0 0 0 0 31 30 116 50 79 5 0 0 31024 0 0 0 0 133 0 79 16 42 0 0 0 26925 0 0 0 54 59 54 58 115 35 0 0 0 37526 0 0 0 45 54 16 45 59 31 0 0 0 25027 0 0 0 0 92 89 115 60 38 0 0 0 39428 0 0 0 0 98 51 89 53 3 0 0 0 29329 0 0 0 9 64 16 57 35 61 15 0 0 25830 0 0 0 53 57 15 84 25 7 0 0 0 24131 0 0 0 39 50 54 0 16 30 0 0 0 18932 0 0 0 49 79 66 0 50 64 0 0 0 30833 0 0 0 32 104 20 49 38 59 0 0 0 30234 0 0 0 4 198 24 42 56 33 0 0 0 35735 0 0 0 52 138 0 72 44 25 10 0 0 34236 0 0 0 62 56 62 29 0 30 0 0 0 23837 0 0 0 34 8 23 110 109 4 1 0 0 28938 0 0 0 5 187 56 102 37 37 0 0 0 42339 0 0 0 48 0 51 0 15 41 0 0 0 15640 0 0 0 24 62 74 17 70 48 0 0 0 29541 0 0 0 2 168 45 103 110 132 0 0 0 56042 0 0 0 11 47 50 135 36 27 0 0 0 30643 0 0 0 0 96 11 93 102 4 7 0 0 31244 0 0 0 0 55 31 54 22 26 3 0 0 19145 0 0 0 58 132 2 42 0 112 0 0 0 34546 0 0 0 72 51 56 110 14 36 12 0 0 35047 0 0 0 2 91 23 39 43 7 0 0 0 20648 0 0 0 37 27 31 52 18 86 0 0 0 25249 0 0 0 6 83 9 85 153 43 0 0 0 37950 0 0 0 3 109 8 0 152 20 3 0 0 29651 0 0 0 44 0 38 118 40 9 0 0 0 24952 0 0 0 7 42 135 139 68 12 3 0 0 406


TABLE B.3


OPERATIONAL NET PRECIPATION VALUESGOLD ORE STOCKPILE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_GoldOre

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B-3 of 13


10 0 0 0 0 130 8 19 21 88 0 0 0 26611 0 0 0 15 81 0 127 5 28 0 0 0 25712 0 0 0 1 111 14 0 62 74 0 0 0 26113 0 0 0 0 95 0 17 53 28 0 0 0 19214 0 0 0 0 152 91 48 15 26 0 0 0 33215 0 0 0 5 156 57 48 69 6 0 0 0 34116 0 0 0 0 125 0 80 31 5 0 0 0 24117 0 0 0 0 97 0 89 28 44 0 0 0 25818 0 0 0 1 167 35 47 10 14 0 0 0 27419 0 0 0 2 132 47 23 6 16 0 0 0 22620 0 0 0 0 60 30 136 55 29 0 0 0 30921 0 0 0 0 162 54 60 0 47 0 0 0 32322 0 0 0 24 25 14 44 35 80 4 0 0 22623 0 0 0 0 52 31 116 51 77 0 0 0 32724 0 0 0 0 160 0 78 17 43 0 0 0 29825 0 0 0 2 135 55 59 116 25 0 0 0 39126 0 0 0 3 119 16 45 60 32 0 0 0 27627 0 0 0 0 111 90 115 60 36 0 0 0 41328 0 0 0 0 116 52 89 54 4 0 0 0 31529 0 0 0 1 90 17 58 36 63 2 0 0 26630 0 0 0 1 148 16 85 25 9 0 0 0 28431 0 0 0 0 102 55 0 16 31 0 0 0 20432 0 0 0 1 142 67 0 51 65 0 0 0 32633 0 0 0 1 161 21 50 38 61 0 0 0 33134 0 0 0 0 187 69 42 57 5 0 0 0 36035 0 0 0 3 245 0 72 45 26 1 0 0 39336 0 0 0 25 119 63 30 0 30 0 0 0 26737 0 0 0 34 20 24 111 110 5 0 0 0 30438 0 0 0 1 211 57 103 38 38 0 0 0 44739 0 0 0 30 28 45 1 16 42 0 0 0 16240 0 0 0 2 104 75 18 71 49 0 0 0 31941 0 0 0 0 197 46 104 111 130 0 0 0 58842 0 0 0 2 74 51 136 37 29 0 0 0 32843 0 0 0 0 114 11 94 103 5 2 0 0 32944 0 0 0 0 77 32 55 23 24 0 0 0 21045 0 0 0 2 226 3 44 0 98 0 0 0 37246 0 0 0 13 137 57 111 14 37 1 0 0 37047 0 0 0 0 125 24 40 44 9 0 0 0 24248 0 0 0 3 83 32 53 19 87 0 0 0 27849 0 0 0 1 109 10 85 154 44 0 0 0 40350 0 0 0 0 137 9 0 153 21 0 0 0 31951 0 0 0 29 30 36 119 41 10 0 0 0 26552 0 0 0 1 63 136 140 68 13 0 0 0 421


TABLE B.4


OPERATIONAL NET PRECIPATION VALUESLOW GRADE ORE STOCKPILE - SUPERGENE SULFIDE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_SGS

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B-4 of 13


10 0 0 0 3 106 7 19 20 90 0 0 0 24611 0 0 0 42 40 0 127 4 27 0 0 0 24112 0 0 0 3 94 14 0 62 75 0 0 0 24813 0 0 0 1 74 0 17 52 28 0 0 0 17114 0 0 0 0 127 90 48 14 31 0 0 0 30915 0 0 0 29 99 57 48 68 5 0 0 0 30716 0 0 0 1 104 0 80 31 4 0 0 0 21917 0 0 0 4 74 0 89 27 43 0 0 0 23718 0 0 0 5 141 34 47 9 12 0 0 0 24919 0 0 0 10 102 47 22 5 15 1 0 0 20220 0 0 0 4 41 29 135 54 28 0 0 0 29121 0 0 0 1 138 53 59 0 46 2 0 0 29922 0 0 0 38 0 17 43 34 81 10 0 0 22423 0 0 0 0 31 30 116 50 79 5 0 0 31024 0 0 0 0 133 0 79 16 42 0 0 0 26925 0 0 0 54 59 54 58 115 35 0 0 0 37526 0 0 0 45 54 16 45 59 31 0 0 0 25027 0 0 0 0 92 89 115 60 38 0 0 0 39428 0 0 0 0 98 51 89 53 3 0 0 0 29329 0 0 0 9 64 16 57 35 61 15 0 0 25830 0 0 0 53 57 15 84 25 7 0 0 0 24131 0 0 0 39 50 54 0 16 30 0 0 0 18932 0 0 0 49 79 66 0 50 64 0 0 0 30833 0 0 0 32 104 20 49 38 59 0 0 0 30234 0 0 0 4 198 24 42 56 33 0 0 0 35735 0 0 0 52 138 0 72 44 25 10 0 0 34236 0 0 0 62 56 62 29 0 30 0 0 0 23837 0 0 0 34 8 23 110 109 4 1 0 0 28938 0 0 0 5 187 56 102 37 37 0 0 0 42339 0 0 0 48 0 51 0 15 41 0 0 0 15640 0 0 0 24 62 74 17 70 48 0 0 0 29541 0 0 0 2 168 45 103 110 132 0 0 0 56042 0 0 0 11 47 50 135 36 27 0 0 0 30643 0 0 0 0 96 11 93 102 4 7 0 0 31244 0 0 0 0 55 31 54 22 26 3 0 0 19145 0 0 0 58 132 2 42 0 112 0 0 0 34546 0 0 0 72 51 56 110 14 36 12 0 0 35047 0 0 0 2 91 23 39 43 7 0 0 0 20648 0 0 0 37 27 31 52 18 86 0 0 0 25249 0 0 0 6 83 9 85 153 43 0 0 0 37950 0 0 0 3 109 8 0 152 20 3 0 0 29651 0 0 0 44 0 38 118 40 9 0 0 0 24952 0 0 0 7 42 135 139 68 12 3 0 0 406


TABLE B.5


OPERATIONAL NET PRECIPATION VALUESLOW GRADE ORE STOCKPILE - SUPERGENE OXIDE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_LG_SGO

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B-5 of 13


10 0 0 0 3 106 7 19 20 90 0 0 0 24611 0 0 0 42 40 0 127 4 27 0 0 0 24112 0 0 0 3 94 14 0 62 75 0 0 0 24813 0 0 0 1 74 0 17 52 28 0 0 0 17114 0 0 0 0 127 90 48 14 31 0 0 0 30915 0 0 0 29 99 57 48 68 5 0 0 0 30716 0 0 0 1 104 0 80 31 4 0 0 0 21917 0 0 0 4 74 0 89 27 43 0 0 0 23718 0 0 0 5 141 34 47 9 12 0 0 0 24919 0 0 0 10 102 47 22 5 15 1 0 0 20220 0 0 0 4 41 29 135 54 28 0 0 0 29121 0 0 0 1 138 53 59 0 46 2 0 0 29922 0 0 0 38 0 17 43 34 81 10 0 0 22423 0 0 0 0 31 30 116 50 79 5 0 0 31024 0 0 0 0 133 0 79 16 42 0 0 0 26925 0 0 0 54 59 54 58 115 35 0 0 0 37526 0 0 0 45 54 16 45 59 31 0 0 0 25027 0 0 0 0 92 89 115 60 38 0 0 0 39428 0 0 0 0 98 51 89 53 3 0 0 0 29329 0 0 0 9 64 16 57 35 61 15 0 0 25830 0 0 0 53 57 15 84 25 7 0 0 0 24131 0 0 0 39 50 54 0 16 30 0 0 0 18932 0 0 0 49 79 66 0 50 64 0 0 0 30833 0 0 0 32 104 20 49 38 59 0 0 0 30234 0 0 0 4 198 24 42 56 33 0 0 0 35735 0 0 0 52 138 0 72 44 25 10 0 0 34236 0 0 0 62 56 62 29 0 30 0 0 0 23837 0 0 0 34 8 23 110 109 4 1 0 0 28938 0 0 0 5 187 56 102 37 37 0 0 0 42339 0 0 0 48 0 51 0 15 41 0 0 0 15640 0 0 0 24 62 74 17 70 48 0 0 0 29541 0 0 0 2 168 45 103 110 132 0 0 0 56042 0 0 0 11 47 50 135 36 27 0 0 0 30643 0 0 0 0 96 11 93 102 4 7 0 0 31244 0 0 0 0 55 31 54 22 26 3 0 0 19145 0 0 0 58 132 2 42 0 112 0 0 0 34546 0 0 0 72 51 56 110 14 36 12 0 0 35047 0 0 0 2 91 23 39 43 7 0 0 0 20648 0 0 0 37 27 31 52 18 86 0 0 0 25249 0 0 0 6 83 9 85 153 43 0 0 0 37950 0 0 0 3 109 8 0 152 20 3 0 0 29651 0 0 0 44 0 38 118 40 9 0 0 0 24952 0 0 0 7 42 135 139 68 12 3 0 0 406


TABLE B.6


OPERATIONAL NET PRECIPATION VALUESLOW GRADE ORE STOCKPILE - HYPOGENE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_HG

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B-6 of 13


10 0 0 0 3 106 7 19 20 90 0 0 0 24611 0 0 0 42 40 0 127 4 27 0 0 0 24112 0 0 0 3 94 14 0 62 75 0 0 0 24813 0 0 0 1 74 0 17 52 28 0 0 0 17114 0 0 0 0 127 90 48 14 31 0 0 0 30915 0 0 0 29 99 57 48 68 5 0 0 0 30716 0 0 0 1 104 0 80 31 4 0 0 0 21917 0 0 0 4 74 0 89 27 43 0 0 0 23718 0 0 0 5 141 34 47 9 12 0 0 0 24919 0 0 0 10 102 47 22 5 15 1 0 0 20220 0 0 0 4 41 29 135 54 28 0 0 0 29121 0 0 0 1 138 53 59 0 46 2 0 0 29922 0 0 0 38 0 17 43 34 81 10 0 0 22423 0 0 0 0 31 30 116 50 79 5 0 0 31024 0 0 0 0 133 0 79 16 42 0 0 0 26925 0 0 0 54 59 54 58 115 35 0 0 0 37526 0 0 0 45 54 16 45 59 31 0 0 0 25027 0 0 0 0 92 89 115 60 38 0 0 0 39428 0 0 0 0 98 51 89 53 3 0 0 0 29329 0 0 0 9 64 16 57 35 61 15 0 0 25830 0 0 0 53 57 15 84 25 7 0 0 0 24131 0 0 0 39 50 54 0 16 30 0 0 0 18932 0 0 0 49 79 66 0 50 64 0 0 0 30833 0 0 0 32 104 20 49 38 59 0 0 0 30234 0 0 0 4 198 24 42 56 33 0 0 0 35735 0 0 0 52 138 0 72 44 25 10 0 0 34236 0 0 0 62 56 62 29 0 30 0 0 0 23837 0 0 0 34 8 23 110 109 4 1 0 0 28938 0 0 0 5 187 56 102 37 37 0 0 0 42339 0 0 0 48 0 51 0 15 41 0 0 0 15640 0 0 0 24 62 74 17 70 48 0 0 0 29541 0 0 0 2 168 45 103 110 132 0 0 0 56042 0 0 0 11 47 50 135 36 27 0 0 0 30643 0 0 0 0 96 11 93 102 4 7 0 0 31244 0 0 0 0 55 31 54 22 26 3 0 0 19145 0 0 0 58 132 2 42 0 112 0 0 0 34546 0 0 0 72 51 56 110 14 36 12 0 0 35047 0 0 0 2 91 23 39 43 7 0 0 0 20648 0 0 0 37 27 31 52 18 86 0 0 0 25249 0 0 0 6 83 9 85 153 43 0 0 0 37950 0 0 0 3 109 8 0 152 20 3 0 0 29651 0 0 0 44 0 38 118 40 9 0 0 0 24952 0 0 0 7 42 135 139 68 12 3 0 0 406


TABLE B.7


OPERATIONAL NET PRECIPATION VALUESSUPERGENE OXIDE STOCKPILE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_SGO

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B-7 of 13


10 0 0 0 0 60 4 10 10 46 0 0 0 13011 0 0 0 13 31 0 64 2 14 0 0 0 12412 0 0 0 1 52 7 0 31 38 0 0 0 12913 0 0 0 0 43 0 8 26 14 0 0 0 9214 0 0 0 0 71 45 24 7 14 0 0 0 16115 0 0 0 5 68 29 24 34 3 0 0 0 16316 0 0 0 0 59 0 40 15 2 0 0 0 11717 0 0 0 0 44 0 44 14 22 0 0 0 12518 0 0 0 1 78 18 24 5 7 0 0 0 13219 0 0 0 2 61 24 11 3 8 0 0 0 10820 0 0 0 0 27 15 68 27 14 0 0 0 15121 0 0 0 0 76 27 30 0 23 0 0 0 15722 0 0 0 23 0 8 22 17 41 4 0 0 11623 0 0 0 0 21 15 58 25 40 0 0 0 16024 0 0 0 0 75 0 39 8 21 0 0 0 14425 0 0 0 2 62 27 29 58 16 0 0 0 19426 0 0 0 2 51 8 22 30 16 0 0 0 13027 0 0 0 0 51 45 58 30 20 0 0 0 20328 0 0 0 0 54 26 44 27 2 0 0 0 15329 0 0 0 1 41 8 29 18 31 2 0 0 13030 0 0 0 1 68 8 42 13 4 0 0 0 13531 0 0 0 0 47 27 0 8 15 0 0 0 9832 0 0 0 0 67 33 0 25 32 0 0 0 15933 0 0 0 1 75 10 25 19 30 0 0 0 16034 0 0 0 0 110 12 21 28 5 0 0 0 17735 0 0 0 2 113 0 36 22 13 1 0 0 18836 0 0 0 24 43 31 15 0 15 0 0 0 12837 0 0 0 21 4 12 55 55 2 0 0 0 15038 0 0 0 1 101 28 51 19 19 0 0 0 21939 0 0 0 29 0 25 0 8 21 0 0 0 8440 0 0 0 2 47 37 9 35 24 0 0 0 15541 0 0 0 0 93 23 52 55 66 0 0 0 28942 0 0 0 2 32 25 68 18 14 0 0 0 15943 0 0 0 0 53 6 47 51 2 2 0 0 16144 0 0 0 0 34 16 27 11 14 0 0 0 10245 0 0 0 1 106 1 22 0 53 0 0 0 18346 0 0 0 13 53 28 55 7 18 1 0 0 17547 0 0 0 0 57 12 20 22 4 0 0 0 11548 0 0 0 2 36 16 26 9 43 0 0 0 13449 0 0 0 1 50 5 43 77 22 0 0 0 19750 0 0 0 0 63 4 0 76 10 0 0 0 15451 0 0 0 28 0 19 59 20 5 0 0 0 13152 0 0 0 1 28 68 70 34 6 0 0 0 207


TABLE B.8


OPERATIONAL NET PRECIPATION VALUESMARGINAL GRADE ORE STOCKPILE



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_MGO

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B-8 of 13


10 0 0 0 0 130 8 19 21 88 0 0 0 26611 0 0 0 15 81 0 127 5 28 0 0 0 25712 0 0 0 1 111 14 0 62 74 0 0 0 26113 0 0 0 0 95 0 17 53 28 0 0 0 19214 0 0 0 0 152 91 48 15 26 0 0 0 33215 0 0 0 5 156 57 48 69 6 0 0 0 34116 0 0 0 0 125 0 80 31 5 0 0 0 24117 0 0 0 0 97 0 89 28 44 0 0 0 25818 0 0 0 1 167 35 47 10 14 0 0 0 27419 0 0 0 2 132 47 23 6 16 0 0 0 22620 0 0 0 0 60 30 136 55 29 0 0 0 30921 0 0 0 0 162 54 60 0 47 0 0 0 32322 0 0 0 24 25 14 44 35 80 4 0 0 22623 0 0 0 0 52 31 116 51 77 0 0 0 32724 0 0 0 0 160 0 78 17 43 0 0 0 29825 0 0 0 2 135 55 59 116 25 0 0 0 39126 0 0 0 3 119 16 45 60 32 0 0 0 27627 0 0 0 0 111 90 115 60 36 0 0 0 41328 0 0 0 0 116 52 89 54 4 0 0 0 31529 0 0 0 1 90 17 58 36 63 2 0 0 26630 0 0 0 1 148 16 85 25 9 0 0 0 28431 0 0 0 0 102 55 0 16 31 0 0 0 20432 0 0 0 1 142 67 0 51 65 0 0 0 32633 0 0 0 1 161 21 50 38 61 0 0 0 33134 0 0 0 0 187 69 42 57 5 0 0 0 36035 0 0 0 3 245 0 72 45 26 1 0 0 39336 0 0 0 25 119 63 30 0 30 0 0 0 26737 0 0 0 34 20 24 111 110 5 0 0 0 30438 0 0 0 1 211 57 103 38 38 0 0 0 44739 0 0 0 30 28 45 1 16 42 0 0 0 16240 0 0 0 2 104 75 18 71 49 0 0 0 31941 0 0 0 0 197 46 104 111 130 0 0 0 58842 0 0 0 2 74 51 136 37 29 0 0 0 32843 0 0 0 0 114 11 94 103 5 2 0 0 32944 0 0 0 0 77 32 55 23 24 0 0 0 21045 0 0 0 2 226 3 44 0 98 0 0 0 37246 0 0 0 13 137 57 111 14 37 1 0 0 37047 0 0 0 0 125 24 40 44 9 0 0 0 24248 0 0 0 3 83 32 53 19 87 0 0 0 27849 0 0 0 1 109 10 85 154 44 0 0 0 40350 0 0 0 0 137 9 0 153 21 0 0 0 31951 0 0 0 29 30 36 119 41 10 0 0 0 26552 0 0 0 1 63 136 140 68 13 0 0 0 421


TABLE B.9


OPERATIONAL NET PRECIPATION VALUESHEAP LEACH FACILITY



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_HLF

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B-9 of 13


10 0 0 0 4 76 0 0 0 54 0 0 0 13311 0 0 0 39 9 0 31 0 0 0 0 0 7912 0 0 0 1 64 0 0 0 46 0 0 0 11113 0 0 0 1 47 0 0 0 7 0 0 0 5414 0 0 0 0 99 50 4 0 8 0 0 0 16115 0 0 0 33 63 18 4 38 0 0 0 0 15616 0 0 0 0 71 0 16 0 0 0 0 0 8717 0 0 0 0 39 0 25 0 25 0 0 0 8818 0 0 0 6 114 0 0 0 0 0 0 0 12019 0 0 0 0 67 7 0 0 0 0 0 0 7320 0 0 0 0 0 0 86 21 10 0 0 0 11721 0 0 0 1 110 16 15 0 0 1 0 0 14322 0 0 0 25 0 0 0 0 64 9 0 0 9823 0 0 0 0 0 0 68 18 65 6 0 0 15724 0 0 0 0 106 0 5 0 15 0 0 0 12625 0 0 0 65 11 12 14 84 28 0 0 0 21426 0 0 0 52 14 0 0 23 16 0 0 0 10527 0 0 0 0 63 51 70 29 24 0 0 0 23828 0 0 0 0 74 11 42 23 0 0 0 0 15029 0 0 0 0 34 0 1 3 46 19 0 0 10330 0 0 0 64 3 0 29 0 0 0 0 0 9631 0 0 0 37 9 14 0 0 0 0 0 0 6032 0 0 0 42 32 26 0 0 37 0 0 0 13633 0 0 0 38 61 0 0 6 42 0 0 0 14734 0 0 0 5 169 0 0 17 41 0 0 0 23335 0 0 0 63 81 0 8 12 10 12 0 0 18836 0 0 0 59 21 23 0 0 0 0 0 0 10337 0 0 0 1 0 0 52 79 0 0 0 0 13338 0 0 0 0 152 16 57 4 19 0 0 0 24939 0 0 0 36 0 0 0 0 0 0 0 0 3640 0 0 0 24 30 30 0 21 33 0 0 0 13841 0 0 0 2 140 1 59 81 119 0 0 0 40242 0 0 0 12 21 8 92 2 11 0 0 0 14743 0 0 0 0 69 0 35 72 0 0 0 0 17544 0 0 0 0 25 0 3 0 6 4 0 0 3845 0 0 0 71 77 0 0 0 58 0 0 0 20546 0 0 0 80 1 14 68 0 7 16 0 0 18647 0 0 0 3 58 0 0 4 0 0 0 0 6548 0 0 0 36 0 0 0 0 60 0 0 0 9649 0 0 0 8 49 0 28 122 27 0 0 0 23550 0 0 0 5 78 0 0 73 4 4 0 0 16351 0 0 0 31 0 0 64 7 0 0 0 0 10252 0 0 0 3 9 95 95 36 0 0 0 0 238


TABLE B.10


OPERATIONAL NET PRECIPATION VALUESTAILINGS MANAGEMENT FACILITY - BEACH



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_TMFBeach

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B-10 of 13


10 0 0 0 10 90 7 18 20 89 0 0 0 23411 0 0 0 44 33 0 102 3 27 1 0 0 21012 0 0 0 11 82 13 0 43 74 0 0 0 22313 0 0 0 1 65 0 7 52 27 0 0 0 15314 0 0 0 0 117 89 47 14 31 0 0 0 29915 0 0 0 61 61 56 48 68 4 0 0 0 29816 0 0 0 3 92 0 78 30 3 1 0 0 20717 0 0 0 11 58 0 87 27 42 0 0 0 22618 0 0 0 27 112 34 46 9 12 0 0 0 24019 0 0 0 31 74 46 21 5 14 3 0 0 19520 0 0 0 10 29 29 134 54 27 2 0 0 28421 0 0 0 1 126 53 59 0 40 2 0 0 28122 0 0 0 33 0 10 43 34 80 12 0 0 21223 0 0 0 0 24 29 115 50 78 10 0 0 30724 0 0 0 1 117 0 71 15 41 0 0 0 24625 0 0 0 71 34 54 58 115 36 1 0 0 36926 0 0 0 53 38 15 44 59 31 0 0 0 24027 0 0 0 0 84 89 115 59 37 0 0 0 38428 0 0 0 0 91 50 88 52 2 1 0 0 28529 0 0 0 21 47 16 57 35 61 24 0 0 25930 0 0 0 65 27 14 84 24 6 0 0 0 22131 0 0 0 48 35 53 0 7 29 0 0 0 17232 0 0 0 61 60 66 0 42 63 0 0 0 29233 0 0 0 58 68 20 49 37 59 0 0 0 29134 0 0 0 10 179 24 41 55 53 0 0 0 36335 0 0 0 81 79 0 71 44 24 14 0 0 31336 0 0 0 60 45 61 28 0 21 2 0 0 21837 0 0 0 26 7 22 109 109 4 4 0 0 28138 0 0 0 20 162 55 102 37 36 0 0 0 41239 0 0 0 42 0 35 0 15 40 0 0 0 13340 0 0 0 38 41 74 16 70 47 2 0 0 28841 0 0 0 3 154 45 103 110 131 0 0 0 54542 0 0 0 22 30 50 135 36 27 1 0 0 30043 0 0 0 0 87 10 93 102 3 8 0 0 30444 0 0 0 1 47 30 54 21 25 4 0 0 18345 0 0 0 99 77 1 42 0 102 1 0 0 32146 0 0 0 82 33 55 109 13 35 19 0 0 34747 0 0 0 16 63 22 39 42 7 1 0 0 19048 0 0 0 52 8 30 52 18 85 1 0 0 24549 0 0 0 24 56 9 84 153 42 0 0 0 36850 0 0 0 15 87 7 0 140 20 7 0 0 27751 0 0 0 34 0 32 118 40 8 2 0 0 23352 0 0 0 13 31 135 138 67 12 4 0 0 400


TABLE B.11


OPERATIONAL NET PRECIPATION VALUESTAILINGS MANAGEMENT FACILITY - EMBANKMENT



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_TMFEmbk

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B-11 of 13


10 0 0 0 4 119 35 49 43 99 0 0 0 34911 0 0 0 53 51 5 135 20 38 1 0 0 30312 0 0 0 4 108 40 9 71 83 0 0 0 31513 0 0 0 1 86 19 40 75 37 0 0 0 25714 0 0 0 0 138 117 78 38 39 0 0 0 41015 0 0 0 38 104 84 79 90 14 0 0 0 40816 0 0 0 1 114 24 109 53 14 0 0 0 31517 0 0 0 5 88 27 119 48 54 0 0 0 34018 0 0 0 6 152 62 77 32 24 0 0 0 35319 0 0 0 12 114 74 50 30 25 2 0 0 30720 0 0 0 5 55 55 166 77 39 0 0 0 39721 0 0 0 1 150 79 90 17 55 2 0 0 39422 0 0 0 43 15 41 74 55 88 13 0 0 32923 0 0 0 0 49 55 146 72 88 6 0 0 41624 0 0 0 0 141 22 104 37 53 0 0 0 35725 0 0 0 75 55 83 89 136 43 0 0 0 48226 0 0 0 63 55 45 74 81 41 0 0 0 35927 0 0 0 0 105 116 146 81 47 0 0 0 49528 0 0 0 0 109 79 121 74 13 0 0 0 39529 0 0 0 12 76 44 88 57 71 19 0 0 36830 0 0 0 74 50 43 114 47 16 0 0 0 34531 0 0 0 55 54 81 22 34 39 0 0 0 28532 0 0 0 69 80 94 22 68 75 0 0 0 40833 0 0 0 44 107 50 79 57 71 0 0 0 40934 0 0 0 5 205 53 73 79 41 0 0 0 45635 0 0 0 72 128 28 103 66 34 12 0 0 44436 0 0 0 73 63 89 60 14 36 0 0 0 33437 0 0 0 39 28 53 140 130 18 2 0 0 40838 0 0 0 6 199 84 134 60 49 0 0 0 53039 0 0 0 51 11 67 32 35 51 0 0 0 24740 0 0 0 32 66 104 47 95 58 0 0 0 40241 0 0 0 2 179 76 135 130 140 0 0 0 66142 0 0 0 14 55 79 165 60 38 0 0 0 41143 0 0 0 0 108 39 124 124 15 8 0 0 41844 0 0 0 0 66 58 87 44 34 4 0 0 29345 0 0 0 80 125 34 74 6 117 0 0 0 43646 0 0 0 92 56 84 139 36 47 16 0 0 46947 0 0 0 3 101 52 71 64 19 0 0 0 31048 0 0 0 50 30 61 84 41 96 0 0 0 36249 0 0 0 8 97 38 113 175 53 0 0 0 48550 0 0 0 5 122 37 19 166 31 4 0 0 38451 0 0 0 46 16 62 147 64 18 0 0 0 35352 0 0 0 9 58 164 169 89 24 3 0 0 516


TABLE B.12


OPERATIONAL NET PRECIPATION VALUESTAILINGS MANAGEMENT FACILITY - POND



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_TMFPond

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B-12 of 13


10 0 0 0 4 101 7 19 20 90 0 0 0 24111 0 0 0 47 33 0 127 3 27 1 0 0 23812 0 0 0 4 90 14 0 62 75 0 0 0 24413 0 0 0 1 70 0 17 52 27 0 0 0 16714 0 0 0 0 122 90 47 14 32 0 0 0 30515 0 0 0 36 87 57 48 68 5 0 0 0 30116 0 0 0 1 99 0 80 30 4 0 0 0 21417 0 0 0 5 69 0 89 27 43 0 0 0 23318 0 0 0 6 136 34 46 9 12 0 0 0 24419 0 0 0 12 96 46 22 5 14 2 0 0 19720 0 0 0 5 37 29 135 54 27 0 0 0 28721 0 0 0 1 133 53 59 0 46 2 0 0 29422 0 0 0 36 0 17 43 34 81 11 0 0 22223 0 0 0 0 27 30 116 50 78 6 0 0 30624 0 0 0 0 127 0 79 16 41 0 0 0 26325 0 0 0 71 37 54 58 115 37 0 0 0 37126 0 0 0 58 38 16 45 59 31 0 0 0 24727 0 0 0 0 88 89 115 60 38 0 0 0 38928 0 0 0 0 94 51 88 53 3 0 0 0 28929 0 0 0 11 59 16 57 35 61 19 0 0 25830 0 0 0 70 30 15 84 25 7 0 0 0 23031 0 0 0 52 36 54 0 16 29 0 0 0 18732 0 0 0 65 60 66 0 50 64 0 0 0 30533 0 0 0 42 88 20 49 37 59 0 0 0 29634 0 0 0 5 190 24 41 56 41 0 0 0 35835 0 0 0 68 109 0 72 44 25 12 0 0 33036 0 0 0 67 46 61 29 0 30 0 0 0 23337 0 0 0 31 8 23 110 109 4 2 0 0 28638 0 0 0 6 181 56 102 37 36 0 0 0 41839 0 0 0 45 0 51 0 15 41 0 0 0 15240 0 0 0 31 51 74 16 70 48 0 0 0 29041 0 0 0 2 163 45 103 110 131 0 0 0 55442 0 0 0 13 41 50 135 36 27 0 0 0 30243 0 0 0 0 92 10 93 102 4 8 0 0 30944 0 0 0 0 50 31 54 22 26 4 0 0 18645 0 0 0 76 105 1 42 0 114 0 0 0 33846 0 0 0 87 33 56 110 13 36 16 0 0 35047 0 0 0 3 84 23 39 43 7 0 0 0 19848 0 0 0 48 12 31 52 18 85 0 0 0 24649 0 0 0 8 78 9 85 153 43 0 0 0 37550 0 0 0 5 104 8 0 152 20 4 0 0 29251 0 0 0 40 0 39 118 40 8 0 0 0 24552 0 0 0 9 38 135 139 67 12 3 0 0 403


TABLE B.13


OPERATIONAL NET PRECIPATION VALUESTAILINGS MANAGEMENT FACILITY - WASTE ROCK



M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[FacilitiesSurplusWater_20131015_ER.xlsx]Table_TMF_WR

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B-13 of 13

VA15-01998 February 4, 2015

APPENDIX C

LAKE EVAPORATION VALUES – TMF POND AND OPEN PIT LAKE

(Page C-1)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec1 0 0 0 0 56 95 112 86 24 0 0 0 3722 0 0 0 0 50 109 102 56 35 0 0 0 3513 0 0 0 0 53 85 105 79 17 0 0 0 3384 0 0 0 0 48 93 114 85 26 0 0 0 3675 0 0 0 0 44 92 111 92 4 0 0 0 3426 0 0 0 0 48 88 108 78 25 0 0 0 3477 0 0 0 0 39 84 108 81 30 0 0 0 3428 0 0 0 0 59 98 114 80 37 0 0 0 3889 0 0 0 0 47 95 115 92 43 0 0 0 39210 0 0 0 0 57 96 105 103 34 0 0 0 39511 0 0 0 0 58 92 116 93 45 0 0 0 40412 0 0 0 0 53 89 114 97 45 0 0 0 39713 0 0 0 0 67 103 112 80 15 0 0 0 37614 0 0 0 0 76 85 109 86 26 0 0 0 38215 0 0 0 0 39 98 118 83 37 0 0 0 37616 0 0 0 0 57 100 113 80 0 0 0 0 35017 0 0 0 0 52 98 106 81 34 0 0 0 37118 0 0 0 0 50 85 111 77 23 0 0 0 34519 0 0 0 0 36 92 118 78 33 0 0 0 35720 0 0 0 0 56 97 117 87 35 0 0 0 39121 0 0 0 0 67 100 111 91 30 0 0 0 39822 0 0 0 0 67 100 125 102 36 0 0 0 43023 0 0 0 0 74 102 117 96 42 0 0 0 43124 0 0 0 0 65 103 114 78 45 0 0 0 40425 0 0 0 0 36 96 114 86 0 0 0 0 33226 0 0 0 0 68 100 118 88 33 0 0 0 40727 0 0 0 0 59 98 121 107 29 0 0 0 41328 0 0 0 12 78 111 119 87 59 0 0 0 46629 0 0 0 0 58 99 120 93 48 0 0 0 41830 0 0 0 0 82 108 124 83 36 0 0 0 43331 0 0 0 0 46 109 116 102 38 0 0 0 41032 0 0 0 0 46 103 114 74 21 0 0 0 35833 0 0 0 0 39 102 111 97 39 0 0 0 38734 0 0 0 0 50 97 114 82 39 0 0 0 38135 0 0 0 0 46 92 122 88 19 0 0 0 36736 0 0 0 0 75 120 123 96 11 0 0 0 42537 0 0 0 0 85 104 111 93 44 0 0 0 43738 0 0 0 0 61 104 121 87 47 0 0 0 42039 0 0 0 0 67 109 124 97 37 0 0 0 43440 0 0 0 0 67 100 103 84 36 0 0 0 39041 0 0 0 0 65 107 125 91 44 0 0 0 43142 0 0 0 0 73 101 113 95 33 0 0 0 41543 0 0 0 0 72 101 115 88 44 0 0 0 42044 0 0 0 0 62 106 111 90 46 0 0 0 41545 0 0 0 0 61 111 120 87 22 0 0 0 40046 0 0 0 0 44 97 102 69 32 0 0 0 34447 0 0 0 0 67 89 105 84 39 0 0 0 38548 0 0 0 0 53 94 112 85 33 0 0 0 37649 0 0 0 0 46 87 114 93 22 0 0 0 36150 0 0 0 0 0 99 102 83 36 0 0 0 32051 0 0 0 0 39 85 114 83 35 0 0 0 35452 0 0 0 0 39 98 115 75 36 0 0 0 364

Average 0 0 0 0 56 98 114 87 32 0 0 0 387Minimum 0 0 0 0 0 84 102 56 0 0 0 0 320Maximum 0 0 0 12 85 120 125 107 59 0 0 0 466M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\02_Inputs\from Watershed Model\GoldSim11\[Temperature String for Variability Evap Modelling_20141119.xlsx]Table_Evap

YearMonthly Lake Evaporation (mm/mon) Annual Lake

Evaporation (mm/yr)

Print Jan/13/15 11:11:47

TABLE C.1


LAKE EVAPORATION VALUESTMF POND AND OPEN PIT LAKE


C-1 of 1

VA15-01998 February 4, 2015

APPENDIX D

CLIMATE VARIABILITY YESAB WATER BALANCE MODEL FLOW SCHEMATICS WITH ANNUAL FLOW VALUES

(Pages D-1 to D-7)

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SITE WATER MANAGEMENTYEAR -1

FIGURE D.1

CASINO MINING CORPORATIONCASINO COPPER-GOLD PROJECT

REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945

0 13JAN'15 ISSUED WITH LETTER VA15-01945 ER JGC KJB

DATE DESCRIPTION PREP'D CHK'D APP'DREV

OPEN PIT5 + 6

4

MILL

HLF

Fresh Water Supply Pond

TMF Pond

2625

Low-Grade Ore Stockpile Supergene

Sulfide

Low-Grade Ore Stockpile

Hypogene

28

30

31

34

Water Management Pond

W11

52

51

53

45

SPLIT

44

W18

54

55

58

H18

56

57

W4

W16

W9

67

66

65

64

62

63

69

68

71

W14

8

9

10W3

2

3

1

70

32

Upstream Undiverted Areas (Casino Creek)

(W11)89

88

W5

79

78

59

60

61

72

37

27


(W11)


(W11)

Upstream Undiverted Areas (Canadian Creek)

(W3)

94


(W11)

SupergeneOxide

Stockpile

Gold Ore Stockpile

96

95

TMF Waste Rock

75

29

98

SPLIT

80%

20%

74

TMF Saturated Material

40

43

50

42

33

35

46

39

76

101

SPLIT

16

NOTES:1. TMF AS SHOWN IS ASSUMED TO INLCUDE FRESH WATER SUPPLY POND CONTRIBUTIONS.

4543

Marginal Grade Ore Stockpile

36 77

103

97

49

LEGEND

Surface Water Flow path

Groundwater Flow path

Model Node

Flow path identification number(see Table C.1)

W9

25

D-1 of 7

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NOTES:1. THE CYCLONE SAND PLANT IS OPERATIONAL OVER A PERIOD OF 9 MONTHS DURING EACH YEAR OF OPERATIONS (TYPICALLY FROM FEBRUARY TO NOVEMBER). CYCLONING OPERATIONS ARE ASSUMED TO BE SUSPENDED OR REDUCED DURING THE COLDEST WINTER MONTHS (IN PARTICULAR DECEMBER AND JANUARY). WATER BALANCE MODEL SCHEMATIC

YEAR 10 OF OPERATIONS

FIGURE D.2


REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945



OPEN PIT

W3

5 + 64

1

2

3

MILLHLF

Make-up from Yukon River (fresh water source)

CycloneSand

Plant(1)

TMF [Tailings_Management_Facility]

15

17

18

14

11 + 48

12 + 13

23

22

2625

39

W14

8

9

10

Gold Ore Stockpile


Supergene Sulfide


Hypogene

28

47

34

31

33

35

W11

52

51

53

44

W18

54

55

58

H18

56

57

W4

W16

W9

67

66

65

6462

63

69

68

71

70

Release to Environment


MarginalGrade Ore Stockpile

TMF Waste Rock

TMF Beach

38

37

24

59

60

61

72

32

W5

79

78


Oxide

8280

27


(W11)


(W3)


(W11)

50


(W11)

29

Supergene Oxide Stockpile

7499

45

SPLIT


40

43


42

98

SPLIT

80%

20%

46

81

21

76

100

101

4345

80

36

103

104

LEGEND



Model Node


W9

25

49

D-2 of 7

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NOTES:1. THE CYCLONE SAND PLANT IS OPERATIONAL OVER A PERIOD OF 9 MONTHS DURING EACH YEAR OF OPERATIONS (TYPICALLY FROM FEBRUARY TO NOVEMBER). CYCLONING OPERATIONS ARE ASSUMED TO BE SUSPENDED OR REDUCED DURING THE COLDEST WINTER MONTHS (IN PARTICULAR DECEMBER AND JANUARY). WATER BALANCE MODEL SCHEMATIC

YEAR 21 OF OPERATIONS

FIGURE D.3


REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945



OPEN PIT

W3

5 + 64

1

2

3

MILLHLF (underreclamation)

Make-up from Yukon River (fresh water source)

CycloneSand

Plant(1)


15

17

18

14

11 + 48

12 + 13

23

22

2625

W14

8

9

10


Supergene Sulfide


Hypogene

47

34

31

33

35

W11

52

51

53

W18

54

55

58

H18

56

57

W4

W16

W9

67

66

65

64

62

63

69

68

71

70



Marginal Grade Ore Stockpile

TMF Waste Rock

TMF Beach

38

37

24

59

60

61

72

32

W5 79

78


Oxide

8280

27


(W11)


(W3)


(W11)


(W11)

39

SPLIT


40

43


46

50

42

45

44

81

76

21

101

100

4543

106

36 80

103

104

49

LEGEND



Model Node


W9

25

D-3 of 7

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NOTES:1. THE MARGINAL GRADE ORE STOCKPILE WILL BE HAULED TO THE OPEN PIT AT CLOSURE.2. WATER FROM THE TMF POND WILL BE PUMPED TO THE OPEN PIT FOR THE FIRST 5 YEARS OF CLOSURE.

WATER BALANCE MODEL SCHEMATICCLOSURE WATER MANAGEMENT PHASE I

FIGURE D.4


REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945



OPEN PIT

W3

5 + 6

4

1

2

3

MILLHLF (capped)


2625

W14

8

9

10

W11

52

51

53

W18

54

55

58

H1857

W4

W16

W9

67

66

65

64

62

63

69

68

71

70

73



91

7

27

59

60

61

72

81

W579

78

North TMF Wetland

84 85

86

87

34 35


(W11)


(W11)


(W3)

92


(W11)

93

39


43


50

19

44

90

45

101

SPLIT

100

TMF Beach (reclaimed)

20

41

4543

103

56

49

LEGEND



Model Node


W9

25

D-4 of 7

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NOTES:1. THE MARGINAL GRADE ORE STOCKPILE WILL BE HAULED TO THE OPEN PIT AT CLOSURE.

WATER BALANCE MODEL SCHEMATICCLOSURE WATER MANAGEMENT PHASE II

FIGURE D.5


REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945



OPEN PIT

W3

5 + 6

4

1

2

3

MILLHLF (capped)


2625

W14

8

9

10

W11

52

51

53

W18

54

55

H1857

W4

W16

W9

67

66

65

64

62

63

69

68

71

70

73



91

7

27

59

60

61

72

81

W579

78

North TMF Wetland

84 85

86

87

34 35


(W11)


(W3)

92


(W11)

93

39


43

WSMP[Winter Seepage Mitigation Pond]

90

45

101

SPLIT

103


20

4543

103

56

102

LEGEND



Model Node


W9

25

19

HLF (capped)


39

43


100


4543

W9

25

58

105

D-5 of 7

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NOTES:1. THE SEEPAGE COLLECTION SYSTEM IS MAINTAINED UNTIL THE SEEPAGE WATER QUALITY IS ACCEPABLE FOR DISCHARGE DOWNSTREAM INTO CASINO CREEK. AT THIS POINT THE WATER MANAGEMENT POND WILL BE DECOMMISSIONED AND ALL FLOWS WILL BE RELEASED DIRECTLY INTO CASINO CREEK.

WATER BALANCE MODEL SCHEMATICCLOSURE WATER MANAGEMENT PHASE III

FIGURE D.6


REV0

P/A NO. VA101-325/14

REF. NO.VA15-01945



W3

5 + 6

4

1

2

3

HLF (capped)


2625

39

W14

8

9

10

W11

52

51

53

105

W18

54

55

58

H18

56

57

W4

W16

W9

67

66

65

6462

63

69

68

71

70

73



91

7

59

60

61

72

W5

7978

North TMF Wetland

84 85

83

86

87

34 35


(W11)


(W3)

92


(W11)

93

PIT LAKE


19

39

43

90

101

SPLIT


20

103


45

43 45

102

LEGEND



Model Node


W9

25

D-6 of 7

Pre-production

Year -1 Year 10 Year 20 Year 25 Year 30 Year 40 Year 50 Year 60 Year 70 Year 80 Year 90 Year 100 Year 110 Year 120

1 Shallow groundwater discharge to surface water at W3 1,450,000 1,204,000 1,184,000 1,175,000 1,180,000 1,198,000 1,188,000 1,226,000 1,213,000 1,213,000 1,207,000 1,220,000 1,234,000 1,265,000

2 W3 upstream surface runoff + diverted water at W3 7,021,000 5,922,000 5,952,000 5,959,000 5,935,000 5,865,000 5,868,000 5,938,000 5,949,000 5,855,000 5,901,000 5,895,000 5,990,000 5,930,000

3 Deep groundwater to environment at W3 877,140 698,580 696,800 757,790 792,470 816,620 816,670 833,230 835,690 844,460 846,250 852,640 861,390 866,680

4 Direct precipitation on Open Pit walls 438,190 990,630 1,161,000 993,700 828,690 687,920 630,430 601,250 569,250 524,910 497,180 468,910 457,840 448,260

5 Surface runoff from W3 and W11 basins to Open Pit 149,220 99,580 1,129,000 1,130,000 1,125,000 1,100,000 1,095,000 1,112,000 1,129,000 1,104,000 1,101,000 1,102,000 1,135,000 1,123,000

6 Undiverted upstream catchment groundwater inflows from W3 and W11 basins to Open Pit 92,620 756,130 835,700 633,660 544,880 506,610 479,390 459,470 437,910 420,830 402,660 387,290 376,090 378,800

7 Direct precipitation on Pit Lake 0 0 63,780 296,650 506,700 656,220 706,270 769,790 823,290 851,750 893,380 930,240 980,990 955,980

8 Shallow groundwater discharge to surface water at W14 947,200 944,320 969,710 948,480 942,180 950,830 940,570 964,580 947,360 944,170 939,080 946,360 948,990 973,080

9 Surface water runoff at W14 5,131,000 5,153,000 5,135,000 5,171,000 5,149,000 5,125,000 5,078,000 5,155,000 5,157,000 5,095,000 5,150,000 5,132,000 5,212,000 5,137,000

10 Deep groundwater to environment at W14 763,340 758,490 762,670 758,250 757,820 763,200 757,810 761,620 757,820 759,950 757,370 757,550 759,040 763,070

11 Fresh water source to Mill via Yukon River pipeline 0 1,174,000 1,177,000 0 0 0 0 0 0 0 0 0 0 0

12 Open Pit dewatering to Mill 0 1,912,000 0 0 0 0 0 0 0 0 0 0 0 0

13 Water in ore 0 1,772,000 1,788,000 0 0 0 0 0 0 0 0 0 0 0

14 Water retained in concentrate 0 49,220 49,660 0 0 0 0 0 0 0 0 0 0 0

15 Reclaim water from TMF to Mill 0 26,890,000 29,220,000 0 0 0 0 0 0 0 0 0 0 0

16 Open Pit dewatering - during pre-production to FWSP 686,660 0 0 0 0 0 0 0 0 0 0 0 0 0

17 NAG Slurry water 0 31,890,000 32,180,000 0 0 0 0 0 0 0 0 0 0 0

18 PAG Slurry water 0 7,249,000 7,314,000 0 0 0 0 0 0 0 0 0 0 0

19 Runoff from reclaimed TMF embankment to Water Management Pond 0 0 0 343,130 340,450 341,990 339,240 342,530 342,240 341,300 343,280 341,990 344,520 341,990

20 Runoff from reclaimed TMF beach 0 0 0 98,900 98,540 98,040 96,660 98,430 98,390 97,300 98,350 98,040 99,650 98,040

21 Water in cyclone sand underflow slurry to WMP via TMF embankment 0 5,823,000 1,986,000 0 0 0 0 0 0 0 0 0 0 0

22 Water in cyclone sand overflow to TMF pond 0 35,780,000 12,130,000 0 0 0 0 0 0 0 0 0 0 0

23 Water required for sand plant during cycloning operation from TMF pond 0 22,690,000 7,693,000 0 0 0 0 0 0 0 0 0 0 0

24 Domestic waste water from camp to TMF pond 0 39,790 39,900 0 0 0 0 0 0 0 0 0 0 0

25 Direct precipitation on TMF pond 64,810 712,570 2,203,000 2,809,000 2,779,000 2,818,000 2,793,000 2,825,000 2,826,000 2,812,000 2,826,000 2,819,000 2,849,000 2,818,000

26 TMF pond evaporation 67,120 701,360 2,209,000 2,769,000 2,749,000 2,798,000 2,785,000 2,804,000 2,797,000 2,813,000 2,799,000 2,804,000 2,804,000 2,805,000

27 Mill site runoff to TMF pond 3,950 68,490 68,570 0 0 0 0 0 0 0 0 0 0 0

28 Surface runoff from Gold Ore stockpile to TMF Pond 41,030 97,530 0 0 0 0 0 0 0 0 0 0 0 0

29 Groundwater from Gold Ore stockpile to Open Pit 3,390 9,260 0 0 0 0 0 0 0 0 0 0 0 0

30 Surface water runoff from Low Grade Ore Supergene Sulfide stockpile to FWSP 690 0 0 0 0 0 0 0 0 0 0 0 0 0

31 Groundwater from Low Grade Ore Supergene Sulfide stockpile to Open Pit 1,260 37,260 24,010 0 0 0 0 0 0 0 0 0 0 0

32 Surface runoff from Low Grade Ore Hypogene stockpile to TMF pond 0 177,040 99,520 0 0 0 0 0 0 0 0 0 0 0

33 Groundwater from Low Grade Ore Hypogene stockpile to TMF saturated materials 0 84,030 54,860 0 0 0 0 0 0 0 0 0 0 0

34 Surface runoff from Casino Creek undiverted catchment to TMF pond 3,459,000 3,254,000 3,206,000 3,096,000 3,080,000 3,024,000 2,987,000 3,055,000 3,080,000 3,022,000 3,037,000 3,027,000 3,096,000 3,073,000

35 Undiverted upstream groundwater to TMF saturated material 55,210 679,070 685,140 654,920 666,310 676,900 668,810 678,910 673,940 677,200 673,210 675,210 681,970 689,200

36 Surface runoff from Marginal Grade Ore Stockpile 0 43,050 23,670 0 0 0 0 0 0 0 0 0 0 0

37 Runoff from TMF waste rock to TMF pond 118,760 824,360 604,380 0 0 0 0 0 0 0 0 0 0 0

38 TMF beach runoff to TMF pond 0 71,350 94,900 0 0 0 0 0 0 0 0 0 0 0

39 TMF saturated material pore water to TMF pond 87,100 699,020 652,390 596,890 606,510 616,150 608,680 617,450 612,860 616,000 612,250 613,930 619,410 625,500

40 Water lost from TMF pond to TMF saturated material voids 2,843,000 25,500,000 25,490,000 0 0 0 0 0 0 0 0 0 0 0

41 TMF Pond pumped to Open Pit 0 0 0 10,590,000 0 0 0 0 0 0 0 0 0 0

42 TMF embankment runoff to Water Management Pond 0 228,730 334,250 0 0 0 0 0 0 0 0 0 0 0

43 TMF embankment seepage 0 240,530 453,590 441,500 441,500 442,710 441,500 442,710 441,500 442,710 441,500 441,500 441,500 442,710

44 Water Management Pond recycle (pumped) 494,050 7,220,000 3,977,000 1,765,000 1,763,000 0 0 0 0 0 0 0 0 0

45 TMF foundation seepage 0 430,900 705,070 693,790 693,790 695,690 693,790 695,690 693,790 695,690 693,790 693,790 693,790 695,690

46 TMF foundation and embankment seepage collected in Water Management Pond 0 671,430 1,159,000 1,135,000 1,135,000 1,138,000 1,135,000 1,138,000 1,135,000 1,138,000 1,135,000 1,135,000 1,135,000 1,138,000

47 Surface water runoff from Low Grade Ore Stockpile Supergene Sulfide to TMF 0 84,120 48,230 0 0 0 0 0 0 0 0 0 0 0

48 Make-up water from Yukon River to Mill 0 4,546,000 4,436,000 0 0 0 0 0 0 0 0 0 0 0

49 Casino Creek undiverted upstream catchment groundwater to Water Management Pond 6,870 7,520 8,470 0 0 0 0 0 0 0 0 0 0 0

50 Casino Creek undiverted upstream catchment surface runoff to Water Management Pond 195,930 198,590 200,590 0 0 0 0 0 0 0 0 0 0 0

51 Shallow groundwater discharge to surface water to W11 0 0 0 0 0 0 0 0 0 0 0 0 0 0

52 Upstream surface runoff and diverted site flows to W11 17,330 14,370 11,250 10,750 10,650 10,720 10,640 10,840 10,730 10,690 10,830 10,790 10,740 10,780

53 Deep groundwater from W11 to downstream 0 0 0 0 0 0 0 0 0 0 0 0 0 0

54 Upstream surface runoff to W18 4,381,000 4,326,000 4,423,000 4,266,000 4,241,000 4,212,000 4,139,000 4,231,000 4,255,000 4,195,000 4,202,000 4,186,000 4,283,000 4,266,000

55 Shallow groundwater discharge to surface water at W18 674,380 658,220 686,830 659,100 653,800 659,040 643,480 658,690 656,500 651,060 638,380 639,120 661,420 675,600

56 Surface water from W11 to WMP 17,330 14,370 11,250 10,750 10,650 10,720 10,640 10,840 10,730 10,690 10,830 10,790 10,740 10,780

57 Surface water from W18 to H18 3,706,000 3,668,000 3,736,000 3,607,000 3,587,000 3,552,000 3,496,000 3,573,000 3,599,000 3,544,000 3,564,000 3,547,000 3,622,000 3,590,000

58 Deep groundwater from W18 to downstream 599,980 597,760 600,360 597,300 597,120 600,090 596,990 599,390 597,010 598,430 596,290 596,650 597,770 599,880

59 Upstream surface runoff from H18 202,800 206,110 209,070 208,840 206,250 208,180 205,930 210,890 208,250 207,750 210,410 209,700 208,400 209,610

60 Shallow groundwater discharge to surface water from H18 6,870 7,520 8,470 8,310 8,250 8,280 8,070 8,310 8,280 8,290 8,240 8,210 8,230 8,500

61 Deep groundwater from H18 to Water Management Pond 179,060 181,460 182,510 180,870 181,900 180,870 181,260 181,090 181,080 179,650 180,210 179,360 182,230 181,830


63 Shallow groundwater discharge to surface water to W9 8,318,000 8,336,000 8,417,000 8,365,000 8,392,000 8,312,000 8,318,000 8,318,000 8,367,000 8,295,000 8,273,000 8,241,000 8,422,000 8,441,000

64 Deep groundwater from H18 to downstream 583,890 582,100 584,880 582,930 582,760 585,210 582,690 584,550 582,470 584,080 581,790 582,370 583,140 585,770

65 Surface Water from H18 to W4 4,387,000 4,333,000 4,432,000 4,600,000 4,571,000 9,782,000 9,313,000 10,260,000 10,250,000 10,080,000 10,110,000 10,050,000 12,180,000 12,090,000

66 Shallow groundwater discharge to surface water at W4 0 0 0 0 0 0 0 0 0 0 0 0 0 0


68 Deep groundwater from W4 to downstream 1,246,000 1,250,000 1,254,000 1,250,000 1,252,000 1,246,000 1,248,000 1,248,000 1,249,000 1,244,000 1,243,000 1,242,000 1,254,000 1,256,000

69 Deep groundwater from W9 to downstream 453,210 451,900 453,400 451,740 451,800 453,420 451,590 453,240 451,720 452,810 451,560 451,640 451,960 453,400

70 Release to environment/surplus from W16 57,740,000 57,660,000 58,340,000 58,530,000 58,250,000 65,270,000 64,340,000 66,350,000 66,430,000 65,620,000 65,950,000 65,680,000 69,400,000 69,140,000

71 Surface water from W4 to W5 6,174,000 6,133,000 6,226,000 6,392,000 6,349,000 11,560,000 11,090,000 12,060,000 12,040,000 11,860,000 11,910,000 11,840,000 13,980,000 13,880,000


73 Pit Lake seepage losses to TMF Wetland - Closure and Post-Closure 0 0 0 0 0 57,750 116,500 168,820 214,720 257,620 295,440 330,810 357,630 355,650

74 Groundwater from Supergene Oxide stockpile to TMF saturated material 18,240 12,880 0 0 0 0 0 0 0 0 0 0 0 0

75 FWSP to HLF - Year -1 only 583,930 0 0 0 0 0 0 0 0 0 0 0 0 0

76 TMF foundation and embankment seepage that bypasses Water Management Pond and shows up as surface water at H18 0 0 0 0 0 0 0 0 0 0 0 0 0 0

77 Groundwater from Marginal Grade Ore Stockpile to Open Pit 1,980 19,520 12,170 0 0 0 0 0 0 0 0 0 0 0


79 Deep groundwater from W5 to downstream 1,699,000 1,702,000 1,707,000 1,701,000 1,704,000 1,700,000 1,699,000 1,701,000 1,700,000 1,697,000 1,694,000 1,693,000 1,706,000 1,709,000

80 Surface water runoff from Low Grade Ore Supergene Oxide stockpile to TMF pond 0 24,180 0 0 0 0 0 0 0 0 0 0 0 0

81 Fresh water source to HLF 7,540 367,810 240,540 0 0 0 0 0 0 0 0 0 0 0

82 Groundwater collection well bypass from Low Grade Ore Supergene Oxide 110 2,620 1,600 0 0 0 0 0 0 0 0 0 0 0

83 Pit Lake discharge to TMF wetland - Post Closure only 0 0 0 0 0 0 0 0 0 0 0 0 1,926,000 1,912,000

84 Upstream catchment runoff to TMF wetland 0 0 0 235,400 234,190 231,770 230,760 233,850 234,980 232,050 233,540 232,210 235,660 234,980

85 Direct precipitation on TMF wetland 0 0 0 394,190 392,100 391,820 388,760 392,740 392,890 390,970 392,810 391,820 396,030 391,820

86 Evaporation from TMF wetland 0 0 0 388,570 387,870 389,130 387,630 389,700 388,790 391,070 389,060 389,850 389,760 389,960

87 TMF wetland overflow to TMF pond 0 0 0 184,180 238,520 292,650 347,670 405,450 453,810 489,560 532,730 564,990 2,525,000 2,505,000

88 Runoff from Casino Creek undiverted catchment to FWSP - Year -1 only 632,360 0 0 0 0 0 0 0 0 0 0 0 0 0

89 Shallow groundwater from Casino Creek undiverted catchment to FWSP - Year -1 only 0 0 0 0 0 0 0 0 0 0 0 0 0 0

90 Shallow groundwater from undiverted catchment to wetland - Closure and Post-Closure 0 0 0 0 0 0 0 0 0 0 0 0 0 0

91 Non-contact surface runoff from reclaimed HLF - Closure and Post-Closure 0 0 0 0 419,320 414,540 410,530 416,410 418,690 412,860 415,300 414,830 423,390 415,870

92 HLF drain down water (Closure), HLF infiltration discharge (Post-Closure) 0 0 0 1,050,000 0 0 0 0 0 0 0 0 0 0

93 Evaporation from Pit Lake surface - Closure and Post-Closure 0 0 52,510 238,190 400,960 527,530 572,910 617,870 653,700 691,180 718,230 748,960 771,570 769,560

94 Runoff from Mill to FWSP - Year -1 only 59,040 0 0 0 0 0 0 0 0 0 0 0 0 0

95 Overflow from FWSP to TMF pond - Year -1 only 729,960 0 0 0 0 0 0 0 0 0 0 0 0 0

96 Surface runoff from Supergene Oxide stockpile to FWSP 12,220 0 0 0 0 0 0 0 0 0 0 0 0 0

97 Shallow groundwater from Supergene Oxide stockpile to FWSP 0 0 0 0 0 0 0 0 0 0 0 0 0 0

98 Groundwater from Gold Ore stockpile to TMF saturated material 13,540 37,050 0 0 0 0 0 0 0 0 0 0 0 0

99 Surface runoff from Supergene Oxide stockpile to TMF pond 2,530 55,460 29,920 0 0 0 0 0 0 0 0 0 0 0

100 Tailings pore water from TMF saturated material to TMF pond 0 10,630,000 12,370,000 2,660,000 1,546,000 1,044,000 536,600 360,690 292,610 226,130 158,410 94,610 94,610 94,870

101 Undiverted upstream groundwater that bypasses the TMF 0 0 0 0 0 0 0 0 0 0 0 0 0 0

102 Total release from Water Management Pond to H18 0 0 0 0 0 1,764,000 1,765,000 1,762,000 1,765,000 1,760,000 1,765,000 1,761,000 1,765,000 1,765,000

103 Undiverted upstream groundwater to TMF Pond 1,909,000 537,990 482,450 534,860 564,690 561,720 564,900 574,010 592,150 586,410 583,320 581,610 610,960 618,920

104 Groundwater collection well from Low Grade Ore Supergene Oxide to TMF Pond 1,000 23,570 14,380 0 0 0 0 0 0 0 0 0 0 0

105 TMF Spillway flows to H18 0 0 0 0 0 3,473,000 3,080,000 3,925,000 3,896,000 3,795,000 3,809,000 3,769,000 5,801,000 5,724,000

106 HLF surplus rinse water to Open Pit 0 0 85,180 0 0 0 0 0 0 0 0 0 0 0

M:\1\01\00325\17\A\Data\Task 500 - Water Balance Variability\Task 511 - Water Balance Model updates\03_Results\Flow schematics_WB_025\[Master Table for all Schematics_20141218.xlsx]Table

NOTES:

Closure Phase IIClosure Phase I

TABLE D.1CASINO MINING CORPORATION

CASINO COPPER-GOLD PROJECT

UPDATED WATER BALANCE MODELMODEL SCHEMATIC FLOW PATHS

Print Jan/13/15 10:41:24

Flow path number Flow Routing Description

Average Annual Flow Volume (m3/year)

1. FRESH WATER SUPPLY POND IS ASSUMED PART OF TMF. 2. TMF - TAILINGS MANAGEMENT FACILITY, WMP - WATER MANAGEMENT POND, FWSP - FRESH WATER SUPPLY POND.

Closure Phase IIIOperations

0 13JAN'15 ER JGCISSUED WITH LETTER VA15-01945 KJB


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