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Australia
Bengalla Mine

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 Location:
4 km W from Muswellbroo, New South Wales, Australia

  Address:
Level 16, 175 Eagle Street
GPO Box 2440
Brisbane
Queensland, Australia
4000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Production Start...
Mine Life2039


Owners

Source: p. 2,135
CompanyInterestOwnership
Taipower Bengalla Pty Ltd. 20 % Indirect
New Hope Group Co., Ltd. 80 % Indirect
Bengalla Mining Company Pty. Ltd. (operator) 100 % Direct
Bengalla Mining Company Pty Limited and the Bengalla Joint Venture (New Hope Bengalla Pty Limited in 8/10 share and Taipower Bengalla Pty Limited in 2/10 share).

Contractors

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Deposit Type

  • Sedimentary


Summary:

The approved mining area contains a multi-seam coal deposit consisting of eight economically viable open-cut mineable coal seams. Bengalla currently extracts coal from the Warkworth seam to the Wynn seam (previously to the Edderton) which form part of the Whittingham Coal Measures.

Bengalla is situated on the western limb of the Muswellbrook Anticline with the coal seams generally dipping to the west at approximately 5 degrees. The average strip ratio at Bengalla is approximately 3.5 bank cubic metres (bcm) of overburden to each ROM tonne (t) of coal recovered.

Initial and continuing exploration programmes over mining tenements are planned with borehole spacing at approximately 600m. These boreholes include a mixture of open and cored holes and provide a broad understanding of the lithology, quality, gas and other properties in future areas.


Mining Methods

  • Truck & Shovel / Loader
  • Dragline


Summary:

Mining Method: Open Cut – Dragline, truck and excavator (machinery will be progressively upgraded). Mining operations and coal processing 24 hours per day, seven days per week.

The mine is designed as a dragline strip mine with pre-strip undertaken by excavator and truck fleets. The dragline has an operating radius of 105m and a nominal digging depth of 55 m and a dumping height of 55 m.

The mining sequence for the pre-strip fleet at Bengalla begins with topsoil removal and stockpiling, then continues into the cyclic process of drill and blasting of the overburden/interburden, moving the overburden/interburden with loading units and trucks to the OEA to uncover the coal seam. The coal is then mined with loading units and trucks to be transported to the temporary ROM coal stockpile and/or ROM Hopper to be processed. This process is repeated until the lower dragline horizon is reached where a similar process is followed with the main difference of the dragline moving the majority of the interburden from highwall to low wall instead of loading unit and trucks. As each strip is completed, the void created from the mining process is backfilled with the interburden from advancing strips. Once the OEA has reached the final landform height, reshaping is completed and topsoil is then removed from existing stockpiles or directly from the advancing pre-strip and used on the shaped landform to start the rehabilitation process.

The dragline was shutdown fo ........


Crushing and Grinding

Coal is transported via haul trucks from the mine to the temporary ROM coal stockpiles and/or the ROM hopper which has an approved capacity of 2600tph (tonnes per hour). The first stage of coal processing involves crushing ROM coal to less than 250mm in size. The crushed coal is then transported along a conveyor to a secondary crushing station where it is reduced to less than 50mm. After crushing, coal can be bypassed to product, direct fed into the CHPP or transported and stockpiled on the raw coal stockpile via conveyors.


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Coal (thermal) Mt  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required998.5
All production numbers are expressed as clean coal. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Coal tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required12.5 Mt of ROM coal11.3 Mt of ROM coal10.9 Mt of ROM coal
Reject  ......  Subscription required  ......  Subscription required  ......  Subscription required2.6 Mt2.2 Mt1.9 Mt
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required55.1 Mt48.4 Mt46.6 Mt
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at May 31, 2022:
The Resource number includes 76 Mt of Underground Resource.

CategoryTonnage CommodityMarketable Coal
Proven 138 Mt Coal (thermal) 111 Mt
Probable 45 Mt Coal (thermal) 34 Mt
Proven & Probable 183 Mt Coal (thermal) 145 Mt
Measured 161 Mt Coal (thermal)
Indicated 176 Mt Coal (thermal)
Inferred 24 Mt Coal (thermal)
Total Resource 361 Mt Coal (thermal)


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:
HME TypeModelQuantityRef. Date
Dozer Dec 31, 2019
Dragline Dec 31, 2019
Drill Dec 31, 2019
Excavator Dec 31, 2019
Excavator ....................... Subscription required ....................... Subscription required Dec 31, 2021
Grader Dec 31, 2019
Loader Dec 31, 2019
Truck ....................... Subscription required ....................... Subscription required Jul 31, 2022
Truck (fuel / lube) Dec 31, 2019
Truck (haul) Dec 31, 2019
Truck (water) Dec 31, 2019
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 3, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Financial Review 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2018
Annual Review 2018
Press Release 2018
Annual Report 2017
Annual Report 2017
Annual Report 2016
Annual Report 2016
Annual Report 2015
Annual Report 2015
Annual Report 2014
Annual Report 2014
Other 2010
Other 1972
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