BHP Brownfield Expansion (BFX) Project



Contact Details


Eddie Ivar
Supply Consultant, ICN SA
+61 8 8226 3011
 CONTACT EMAIL

Merril Kirk
+61 8 8303 2383
 CONTACT EMAIL

  Locations: SA Australia
  Project Status: Selection Phase Study (SPS)
  Project Owner BHP Olympic Dam Corporation Pty Ltd (BHP)

Project Details


Project Details

BHP Olympic Dam (OD, the Company) is a fully-integrated mining and mineral processing operation, owned by the BHP Group through its wholly owned subsidiary BHP Billiton Olympic Dam Corporation Pty Ltd.

Productivity initiatives have been implemented over the last two years at Olympic Dam however further work is required to ensure it is a globally competitive, world-class operation.

In order to achieve this, a Brownfield Expansion (BFX) project is being evaluated to develop the mine and processing plant to increase production and lower operating cost.

OD has historically operated in the Northern Mine Area (NMA) since operations commenced in the 1980s.  The OD mine plan is now extending into the previously unexploited Southern Mine Area (SMA).

The proposed BFX Project (the Project) is to deliver a brownfield expansion of its underground and surface operations to deliver increased throughput of the existing plant and increasing overall copper production capacity.

The project is currently studying a range of options to potentially increase production to 240-300 kilotonnes per annum. 

This compares to 330ktpa mentioned in the last market update on BFX.

The project team continues to refine the scope for targeted underground development in:-

  • the Southern Mining Area,
  • strategic investment in surface processing facilities,
  • new technology; and
  • supporting infrastructure

The project team is extending the Selection Phase Study to focus on maximising value around scope, capex, opex and schedule.

The Project is currently finalising its pre-feasibility (or SPS) and is planned to transition into ‘feasibility’ (or DPS) FY 2021. 


Scope Overview

The scope as it is currently defined in ‘pre-feasibility’ (or SPS) includes the following:

  • Expanded footprint in the SMA to access more and higher grade ore
  • Expansion of the existing surface processing facilities including:
    - Installation of an additional grinding mill
    - Expanded smelting facility and supporting plant
    - Expansion of existing refinery complex
  • Installation of additional water supply and accommodation infrastructure
  • Provision of all associated:
    - Project management (if required)
    - Definition and detailed design required to deliver scope items (if required)
    - Temporary/enabling works (if required)
    - Installation
    - Commissioning

The Project will complete definition and detailed design during the DPS, which will only commence after successful completion of the current SPS.


Disclaimer

The proposed Project is currently completing a selection phase or ‘pre-feasibility’ study and is subject to a number of approvals. Accordingly, the scope descriptions, timelines and values stated in this project description are indicative only and subject to change.


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Work Packages


To edit or submit an expression of interest, select the icon next to the package you are interested in.
Note: The closing date/s for expressions of interest shown below are subject to change.

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EOI
BFX085/BFX103/BFX087 Engineering Services Combined Packages 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing detailed engineering and construction study works for the following scopes, on an individual or combined basis:
- BFX SPS 085 Precious Metal Refinery (Gold PMR) Capacity Assessment
- BFX SPS 103 Engineering Review of Surface Facilities (Updated Mine Plan)
- BFX SPS 087 Modularisation & Prefabrication Review

See attached document for further details.
BFX Digital Strategy 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing detailed engineering and administration works for the following:
- Review of process/fluid conditions and update of piping and valve specifications;
- Preparation of specifications and datasheets for input into SmartPlant reference data (SRD) technical libraries; and,
- Configuration of SmartPlant reference data.

See attached document for further information.
BFX Mine Infrastructure Study Works 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing detailed engineering and construction study works for the following scopes :
* Mine Constraints Analysis
- identify capacity constraints within the Olympic Dan Underground mine (ore passes through to surface stockpile) and provide engineered and costed solutions to increase throughput,
- develop a model which can be integrated with the existing surface constraints analysis model for different throughput scenarios,
- review of and update engineering, cost estimates and schedule for the proposed facility upgrades with throughput details.

* Mine Infrastructure Technical Studies
- material handling systems, backfill, ventilation, concrete and shotcrete supply and general mine infrastructure.

* Mine Infrastructure SPS Engineering Refresh
-review of and update engineering deliverables including cost estimates and schedule for BFX Mine Infrastructure post 5 year plan update.

Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further details.
BFX-SPS-028 Geotechnical Investigation 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of providing geotechnical engineering services including remote onsite drilling and coring, laboratory testing of soil and rock samples and the provision of an interpretative geotechnical report based on results from laboratory testing. See attached document for further details.
BFX-SPS-081 Pastoral Water Infrastructure Survey 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) for suitable qualified professionals to conduct a mapping survey on the pastoral stations surrounding the Wellfield B (in the Marree region of South Australia).
BFX-SPS-090 Deleterious Elements Laboratory Analysis  
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of undertaking elemental analysis work from samples collected from the OD site. Samples will be collected by BHP site personnel and delivered to contractor's appointed laboratory location. Result from these analyses will feed into site models and the models will be tuned to accurately predict minor element concentrations in different copper streams for future BFX operation.
Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.
See attached document for further details.
BFX-SPS-093 Site Survey - Hygiene System Review 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of providing the service of surveying hygiene (offgas) system on OD remote site. This is an opportunity for such companies to complete volumetric gas flows and pressures measurement at various duct locations identified, and the provision of an interpretative report based on these results. This would enable BHP to complete overall hygiene system flow balance and confirm if any upgrades are required on the existing ducting system to achieve the total hygiene flow required in the BFX project.
Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further details.
BFX-SPS-094 Integrated Instrumentation and Control 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of performing a trade-off study to identify the appropriate Process Control System(s) (PCS) to be implemented as part of the BFX project. See attached document for further information.
BFX-SPS-099 Independent Peer Review of Power and Electrical Infrastructure Scope 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of providing a 'desk-top' Independent Peer Review (IPR) of the deliverables of a Brownfield Expansion Project (BFX), Engineering Contractor's (EC) 'Power and Electrical Infrastructure' scope of work. The IPR will review the technical compliance of the engineering and value-add through sharing of knowledge and experience.
See attached document for further detail.
BFX-SPS-127 Electro-Refinery Dynamic Model 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of providing modelling services to create a detailed (to individual machine movements level) dynamic model of the Electro-Refinery process. The dynamic model will be used to identify constraints within the process.
See attached document for further details.
BFX-SPS-150 Independent Peer Review of Water Infrastructure Scope 
  

Full scope has been awarded to:


BHP is seeking expressions of interest from contractors capable of providing a 'desk-top' Independent Peer Review of the deliverables of a Brownfield Expansion Project, Engineering Contractor's 'Primary Water Supply System' scope of work.

See attached document for further details.
BFX-SPS-152 Grinding Circuit Modelling/Simulations 
  

Full scope has been awarded to:


BHP is seeking expressions of interest from contractors capable of completing detailed data analysis and simulations of the Olympic Dam comminution circuit with a view to selecting the optimal circuit configuration for the expanded plant.

See attached document for further details.
BFX-SPS-153 Flotation Testing Services  
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing flotation testing for Jameson Cell, and column flotation at laboratory scale.

See attached document for further details.
BFX-SPS-167 Waste and Low Grade Dump Design Study including Acid Mine Drainage 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of providing the design of surface storage facilities (waste dumps and low grade stockpiles) for underground waste rock and low grade ore. See attached document for further details.
BFX-SPS-191 Accommodation IPS Study 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of performing a trade-off study to identify the optimal accommodation strategy to meet the requirements of an increased workforce during major maintenance campaigns and projects at Olympic Dam.
Existing infrastructure to be considered as part of this package include current accommodation facilities at Olympic Dam Village (2500 rooms) and Roxby Downs Village (500 rooms).
Details on organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further information.
BFX-SPS - BFX312 Discrete Event Simulation Modelling 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing discrete event simulation modelling works for the following scope:

- Utilising the existing Electro-Refinery (ER) AnyLogic Refinery model to confirm the ER equipment production capacity before and after the BFX project implementation to optimise the ER solution;

- Using the existing AnyLogic system wide models, run to support further optimisation and validation of the project scope;

- Using the existing AnyLogic system wide models to confirm the site-wide production volume estimates for various mine schedules;

- Establish a BHP hosted version of the model that is able to be used within agreed limits by BHP personnel.

Please refer the attached for further information.
BFX-SPS-Combined Testing Services 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing Testing Services for the following scopes :
- Grinding - SMC testing
- Smelter Slag furnace Coke Injection - submerged lance powdered coke to improve impurity removal.
- Autoclave leaching of Refinery Raw Slimes - autoclave oxidation prior to leaching including radionuclide deportment.
- Refinery slimes settling- settling rate determination for slimes thickener size calculation
- Tailing Settling - consolidation characteristics of tailings slimes and full tailings, beach angle, compaction density, rheology
- Tailings geochemistry-NAP/NAG, metals mobilisation for full tailings and tailings slimes, tailings neutralisation.
- Tailings paste filtration - filter area required
- Cemented paste strength testing - UCS
- Geotechnical core testing - UCS
- Ground penetrating radar in refinery building area - develop bedrock depth profile in proposed refinery building area
Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further information.
BFX-SPS-Reschedule - Refinery Engineering Services 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing detailed engineering and construction study works for the following scopes:

- Refinery Optimisation: optimise selected engineering solutions for the proposed facility upgrades in the Refinery area. Work on this package is planned to start prior to commencement of the SPS Refresh Deliverables package.

- SPS Refresh Deliverables: review and update engineering, cost estimates and schedule for the proposed facility upgrades in the Mills, Hydromet and Refinery areas with updated mine plan throughput details.

- Detailed Engineering: undertake detailed engineering for the proposed facility upgrades in the Refinery area. Work on this package is planned to start after completion of the SPS Refresh Deliverables package.

- Dynamic Modelling: undertake further dynamic modelling work to confirm production volume estimates of the existing and future refinery facilities. This work is planned to be undertaken on the existing dynamic model.

Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further information.
BFX Surface Engineering - Combined Engineering Services 
  

Full scope has been awarded to:


BHP is seeking expressions of interest (EOI) from contractors capable of completing detailed engineering and construction study works for the following scopes :
- Grinding and Flotation
- Non Process Infrastructure (NPI) - Water Study
- Non Process Infrastructure (NPI) - Power Study
- BFX Surface Studies
- SPS Engineering Refresh
- Acid Plant Options Study
- Transport and Logistics Study
- Modular Study

Details on your organisational capacity, capability, and experience in delivering such services safely will be used to form a shortlist for tender.

See attached document for further details.
BFX - SPS - BFX369 Project HSE Benchmarking Study31 Jul 202014 Aug 2020 
  
The BFX Project Team is aiming to set new standards in health, safety and environmental performance and to do this, is looking to undertake a benchmarking study to identify emerging trends, best practice health and safety arrangements within the minerals industry and also outside the minerals industry.
The services of a strategic workplace HSE expert is required to undertake this health, safety and environmental benchmarking study.

See attached document for further details.