Ok Tedi Gold/Copper Mine
| Client: | Ok Tedi Mining Ltd. |
| Location: | Western Province of Papua New Guinea |
| Completion Date: | 1983 - Ongoing |
| Project Highlights: | Geotechnical, Civil, Hydrotechnical, Construction Management |
The Ok Tedi Mine is located in the remote Star Mountain region of Western Province, Papua New Guinea near the Irian Jaya border. The open pit mine commenced operations in mid-1984 as a 25,000 tonne/day gold mine and has expanded to an 80,000 tonne/day copper/gold operation. Klohn Crippen’s assignments on this major project included the provision of consulting engineering services relating to tailings and waste rock disposal and hydroelectric development.
Some of the major projects that Klohn Crippen has carried out for the Ok Tedi mine include dredge sand disposal design and construction monitoring: Klohn Crippen has designed and is undertaking ongoing reviews of the construction of the Bige tailings sand storage facility. This is designed to store 20 million tones/year of tailings sand for the remaining mine life.
Klohn Crippen has designed and provided on-site technical support during construction for the Ok Menga 50 MW Hydropower Project. Klohn Crippen has also provided access road design to Bige, Lukwi tailings area and the Ok Menga powerhouse.
Services
- Dredge and sand disposal design
- Design and construction monitoring
- Provision of on-site technical support
- Access road design
- Waste rock disposal
- Acid mine drainage mitigation