The Project for Capacity Development on Mine Waste Management in the Independent State of Papua New Guinea
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DEPARTMENT OF MINERAL POLICY AND GEOHAZARD MANAGEMENT (DMPGM) CONSERVATION AND ENVIRONMENT PROTECTION AUTHORITY (CEPA) MINERAL RESOURCES AUTHORITY (MRA) INDEPENDENT STATE OF PAPUA NEW GUINEA THE PROJECT FOR CAPACITY DEVELOPMENT ON MINE WASTE MANAGEMENT IN THE INDEPENDENT STATE OF PAPUA NEW GUINEA FINAL REPORT September 2018 Japan International Cooperation Agency (JICA) Mitsubishi Materials Techno Corporation Sumiko Resources Exploration & Development Co., Ltd IL JR 18-084 Independent State of Papua New Guinea The Project for Capacity Development on Mine Waste Management Final Report Table of Contents Table of Contents Table of Figures, Tables and Photographs List of Abbreviations Chapter 1 Introduction ························································································· 1-1 1.1 Outline of Project ······················································································ 1-1 1.2 Background ····························································································· 1-2 1.3 Objectives ······························································································· 1-2 1.4 Duration and Major Items ············································································ 1-2 1.4.1 Project Duration ················································································· 1-2 1.4.2 Major Items ······················································································ 1-2 1.5 Implementation Plan ·················································································· 1-3 1.6 Project Organization in PNG ········································································· 1-4 1.7 Implementation Structure ············································································· 1-4 1.7.1 Joint Coordination Committee ································································ 1-4 1.7.2 Working Group Meeting ······································································· 1-4 1.7.3 Sub-Working Group (Working team) ························································ 1-5 1.7.4 JICA team staffs ················································································· 1-6 Chapter 2 Project Activity ····················································································· 2-1 2.1 Project activities of on-site works in PNG ························································· 2-1 2.1.1 First dispatch (input) of JICA experts in October and November 2016 ················· 2-1 2.1.2 Second dispatch (input) of JICA experts from January to March 2017 ················· 2-5 2.1.3 Third dispatch (input) of JICA experts from August to September 2017 ············· 2-10 2.1.4 Fourth dispatch (input) of JICA experts from February to March 2018 ··············· 2-13 2.1.5 Fifth dispatch (input) of JICA experts in July 2018 ······································ 2-17 2.2 Project activities of short-term training in Japan ················································ 2-21 2.2.1 First Short-term training in Japan from June 4th to 18th 2017 ························· 2-21 2.2.2 Second Short-term training in Japan from May 19th to June 7th 2018 ················ 2-23 Chapter 3 Improvement of existing Mine Waste Management Policy and Environmental Impact Assessments for Mining Activities ······························································ 3-1 3.1 Formulation Sub-working group ···································································· 3-1 3.2 Review of existing Mining Laws and Regulations such as the Mining Act 1992, Environment Act 2000, Draft Mine Waste Management Policy Framework and Environmental Impact Assessments for mining activities ······································· 3-2 3.2.1 Regulatory Framework ········································································· 3-2 3.2.2 Concerning Points relating to Laws and Regulations ······································ 3-9 3.2.3 Environmental Impact Assessments for Mining Activities ······························ 3-11 Mitsubishi Materials Techno Corporation / Sumiko Resources Exploration & Development Co,. Ltd Independent State of Papua New Guinea The Project for Capacity Development on Mine Waste Management Final Report 3.2.4 Draft Mine Waste Management Policy Framework ······································ 3-13 3.3 Formulating mine waste management policies (Recommendations) ························· 3-15 3.3.1 Responsible for mine waste management after expiring ML ··························· 3-15 3.3.2 Specifications of the tailings dam and waste dump ······································· 3-16 3.3.3 Expenses and Budgets for the Mine Waste Treatment after ML expire ················ 3-16 3.3.4 Manage the water quality of the river upstream of the compliance point ············· 3-17 Chapter 4 Establishment of Implementation Regime for Mine Waste Management Policies ········ 4-1 4.1 Formulating the sub-working group ································································ 4-1 4.2 Mine Waste ····························································································· 4-1 4.3 Management methods of mine waste ······························································· 4-2 4.3.1 Management methods of waste rocks ························································ 4-2 4.3.2 Management methods of tailings ····························································· 4-2 4.4 Responsible authority on mine waste management and its activities ··························· 4-3 4.4.1 Non Renewables Section of Environment Protection Wing, CEPA ····················· 4-3 4.4.2 Mines Safety Branch and Technical Assessment Branch of the Regulatory Operation Division, MRA ················································································· 4-4 4.4.3 Current status of audit and inspection related to mine waste management by CEPA ·· 4-4 4.4.4 Current status of audit and inspection related to mine waste management by MRA ·· 4-5 4.5 Current status of mine waste management at abandoned mines and operating mines ······· 4-5 4.5.1 Mt. Sinivit Au Mine ············································································· 4-5 4.5.2 Ok Tedi Cu Mine ················································································ 4-6 4.5.3 Kainantu Au Mine ··············································································· 4-7 4.5.4 Hidden Valley Au Mine ········································································ 4-8 4.6 Inspection of mine waste management facilities ················································ 4-10 4.6.1 Preparation of inspection manual ··························································· 4-10 4.6.2 Checkpoints for waste dump and tailings dam ············································ 4-13 4.6.3 Inspection OJT ················································································· 4-15 4.6.4 Preparation of field inspection handbook ·················································· 4-15 4.6.5 Implementation system of inspection of mining waste management facility ········· 4-16 4.6.6 Annual plan of inspection of mining waste management facility ······················ 4-17 4.6.7 Storage and sharing system of inspection reports ········································· 4-17 4.7 Recommendation ···················································································· 4-19 Chapter 5 Development of the Mine Environment Database ············································· 5-1 5.1 Establishment of the Sub-Working Group ·························································· 5-1 5.2 Review of existing DB system and related information ·········································· 5-1 5.2.1 Status of Information Management in CEPA ················································ 5-1 5.2.2 Status of Information Management in MRA ················································ 5-2 5.2.3 Task of establishment database ································································ 5-3 5.3 Review and identification of necessary items for establishment of DB ························ 5-3 5.4 Holding the seminar related to mine environment DB ·········································· 5-6 Mitsubishi Materials Techno Corporation / Sumiko Resources Exploration & Development Co,. Ltd Independent State of Papua New Guinea The Project for Capacity Development on Mine Waste Management Final Report 5.5 Establishment of an appose regime for DB management ········································ 5-7 5.5.1 Database structure ··············································································· 5-7 5.5.2 Dedicated Personnel and the roles for database management ····························· 5-9 5.6 Populating data into a database and validating data ············································· 5-10 5.6.1 Data entry sheet ················································································ 5-10 5.6.2 Database ························································································ 5-10 5.6.3 Progress of data entry into a database ······················································ 5-11 5.7 Technical assistances for utilization of database ················································ 5-14 5.7.1 Utilizing monitoring data ····································································· 5-14 5.7.2 Utilizing GIS ··················································································· 5-14 5.8 Establishment