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Australia
Bengalla Mine

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

  Address:
Bengalla Road
New South Wales, Australia
2333
Phone  ...  Subscription required
Fax65429599
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Processing
  • Wash plant
  • CHPP
  • Crush-and-stack plant
  • Dewatering
  • Spiral concentrator / separator
  • Dense media separation
Mine Life2039
Latest NewsNew Hope on track for larger Bengalla stake     December 5, 2018


Owners

Source: p. 2
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).

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 pre-production drilling program was suspended in November 2020 due to business requirements, and will likely resume in H2 of 2021. [Annual Review 2020, p.25]


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

  • Wash plant
  • CHPP
  • Crush-and-stack plant
  • Dewatering
  • Spiral concentrator / separator
  • Dense media separation

Source: Subscription required

Summary:

CHPP including facilities to wash or bypass coal, 2600tph throughput of ROM Hopper and CHPP, CHPP stockpile capacity of approximately 1,215,000t, train load out capacity of 5,000tph, rejects are loaded into trucks and co-disposed in the OEA.

Bengalla’s CHPP currently has three coal stockpiles in the handling and preparation process. The Raw coal stockpile has a capacity of up to approximately 200,000t and the two product stockpiles hold a combined volume of up to 500,000t. Current approvals is for approximately 1,215,000t CHPP stockpile capacity.

The CHPP is a two stage plant that can change from single stage to two stage washing when required and has an approved capacity of 2,600tph. A combination of dense medium cyclones (DMC) and single stage spirals are utilised to process coal. After processing, the product coal is centrifuged for the purpose of moisture reduction and then stacked onto one of the two product coal stockpiles.

Product (includes bypas ........


Production:
Dragline returned to full operations after a scheduled major mid-life shutdown of the dragline at the end of July.

Planned major shutdown of Coal Handling and Preparation Plant completed successfully.

CommodityUnits2021202020192018201720162015
Coal (thermal) Mt  ......  Subscription required ^  ......  Subscription required  ......  Subscription required998.58.3
All production numbers are expressed as clean coal. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Waste  ......  Subscription required  ......  Subscription required55.1 Mt
Coal tonnes mined  ......  Subscription required  ......  Subscription required12.5 Mt of ROM coal11.3 Mt of ROM coal10.9 Mt of ROM coal10.7 Mt of ROM coal
Raw coal annual capacity  ......  Subscription required  ......  Subscription required15 Mt15 Mt15 Mt15 Mt
Daily processing capacity  ......  Subscription required  ......  Subscription required62,400 t
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at May 31, 2020:
The Resource number includes 74 Mt of Underground Resource.

CategoryTonnage Commodity
Proven 163 Mt Coal (thermal)
Probable 45 Mt Coal (thermal)
Proven & Probable 208 Mt Coal (thermal)
Measured 201 Mt Coal (thermal)
Indicated 176 Mt Coal (thermal)
Inferred 16 Mt Coal (thermal)
Total Resource 393 Mt Coal (thermal)

Financials:

Units20202019
Revenue M AUD  ......  Subscription required  ......  Subscription required
Pre-tax Income M AUD  ......  Subscription required  ......  Subscription required
EBITDA M AUD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Heavy Mobile Equipment as of December 31, 2019:
HME Type
Dozer
Dragline
Drill
Excavator
Grader
Loader
Truck (fuel / lube)
Truck (haul)
Truck (water)

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jun 23, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jun 23, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 23, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 23, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 23, 2021
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 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
Subscription required - Subscription is required.

News:

NewsDate
New Hope on track for larger Bengalla stake December 5, 2018

Subscription required - Subscription is required.

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