Foreword

Introduction

1Scope

2Normative references

3Terms and definitions

4Closure and reclamation of a mine site

4.1General

4.2Tailings storage facilities

4.2.1General

4.2.2Objectives

4.2.3Approach

4.2.4Status and condition assessment

4.2.5Risk assessment

4.2.6Closure and reclamation alternatives analyses

4.2.7Closure and reclamation plan

4.3Water storage facilities

4.3.1General

4.3.2Objectives

4.3.3Approach

4.3.4Status and condition assessment

4.3.5Risk assessment

4.3.6Closure and reclamation alternatives analyses

4.3.7Closure and reclamation plan

4.4Waste rock dumps

4.4.1General

4.4.2Objectives

4.4.3Approach

4.4.4Status and condition assessment

4.4.5Risk assessment

4.4.6Closure and reclamation alternatives analyses

4.4.7Closure and reclamation plan

4.5Heap leach facilities

4.5.1General

4.5.2Objectives

4.5.3Approach

4.5.4Status and condition assessment

4.5.5Risk assessment

4.5.6Closure and reclamation alternatives analyses

4.5.7Closure and reclamation plan

4.6Open pits

4.6.1General

4.6.2Objectives

4.6.3Approach

4.6.4Status and condition assessment

4.6.5Risk assessment

4.6.6Closure and reclamation alternatives analyses

4.6.7Closure and reclamation plan

4.6.7.1General

4.6.7.2Dry pits

4.6.7.3Pit lakes

4.7Underground workings

4.7.1General

4.7.2Objectives

4.7.3Approach

4.7.4Status and condition assessment

4.7.5Risk assessment

4.7.6Closure and reclamation alternatives analyses

4.7.7Closure and reclamation plan

4.7.7.1General

4.7.7.2Physical stability

4.7.7.3Chemical control

4.7.7.4Access controls

4.7.7.5Monitoring

4.8Mine infrastructure

4.8.1General

4.8.2Objectives

4.8.3Approach

4.8.4Status and condition assessment

4.8.5Risk and opportunity assessment

4.8.6Closure and reclamation alternatives analyses

4.8.7Closure and reclamation plan

4.8.7.1General

4.8.7.2Lubricants, fuels, greases

4.8.7.3Fuel tanks

4.8.7.4Chemicals

4.8.7.5Buildings/equipment

4.8.7.6Sediment ponds

4.9Temporary closure

4.9.1General

4.9.2Objectives

4.9.3Status and condition assessment

4.9.4Risk and opportunity assessment

4.9.5Closure and reclamation alternatives analyses

4.9.6Closure and reclamation plan

5Land reclamation and water management

5.1Landforms

5.1.1General

5.1.2Objectives

5.1.3Approach

5.1.4Plan

5.2Surface preparation

5.2.1General

5.2.2Objectives

5.2.3Approach

5.3Vegetation establishment

5.3.1General

5.3.2Objectives

5.3.3Approach

5.3.4Evaluating site conditions for revegetation:

5.3.5Selection of revegetation approaches

5.3.6Revegetation plan

5.3.7Monitoring and adaptive management

5.4Water management

5.4.1General

5.4.2Objectives

5.4.3Approach

5.4.4Water management plan

5.5Water treatment

5.5.1General

5.5.2Objectives

5.5.3Approach

5.5.4Design

5.5.5Operations and maintenance

5.6Covers

5.6.1General

5.6.2Objectives

5.6.3Cover design

5.6.4Modelling and field testing

5.6.5Monitoring and maintenance aspects specific to covers

5.6.6Consideration of climate zones

5.6.7Objectives

5.6.8Wet and tropical climates

5.6.9Arid climates

5.6.10Cold climates

5.6.11Temperate climates

5.7Climate change effects

5.7.1General

6Stakeholder engagement

6.1General

6.2Objectives

6.3Approach

6.3.1General

6.3.2Stakeholders identification

6.3.3Special rights holders

6.3.4Indigenous peoples

6.3.5Stakeholder mapping

6.3.6Engagement methods

6.3.7Response program

6.3.8Social transition — Post-closure and reclamation stakeholder agreements

6.3.9Engagement plan

6.3.10Engagement and reporting frequency

7Decision and analysis tools

7.1Design levels

7.1.1General

7.1.2Objectives

7.1.3Approach

7.1.4Conceptual design level

7.1.5Pre-feasibility design level

7.1.6Feasibility design level

7.1.7Detailed design level

7.1.8As-built documentation

7.1.9Application of design levels to mine closure and reclamation planning

7.2Alternatives identification and analysis

7.2.1General

7.2.2Objectives

7.2.3Approach

7.2.4Technology screening

7.2.5Options screening

7.2.6Options analysis

7.2.7Stakeholder engagement

7.2.8Documentation

7.3Designing and operating for closure and reclamation

7.3.1General

7.3.2Objectives

7.3.3Approach

7.3.4Design criteria

7.3.5Documentation

7.4Risk assessment and management

7.4.1General

7.4.2Objectives

7.4.3Approach

7.4.4Corporate role in risk management and resilience engineering

7.4.5Management of change

7.4.6Assessing the risk of design or operational failure in meeting design objectives

7.4.7Resilience requirements

7.4.8Plan

7.5Cost estimating

7.5.1General

7.5.2Objectives

7.5.3Approach

7.5.4Level of cost estimates

7.5.5Cost estimating methodology

7.5.6Guidance for the purposes of cost analysis

7.5.7Cash flow costs

7.5.8Financial plan

7.6Performance monitoring and reporting

7.6.1General

7.6.2Objectives

7.6.3Approach

7.6.4Scope

7.6.5Media

7.6.6Parameters

7.6.7Compliance and action trigger levels

7.6.8Monitoring plan

7.6.9Corrective action plan

7.6.10Peer review

7.6.11Revisions

7.6.12Data collection and reporting

7.7Adaptive management

7.7.1General

7.7.2Objectives

7.7.3Approach

7.7.4Adaptive management plan

7.8Application to the long-term care phase

Bibliography