longwall training

Longwall TrainingInvestment in People

© Copyright Australian Longwall Consultants

My Objective

• To convince the industry that longwall training is the key to better productivity

• To demonstrate to industry that we are not very good at it

• To provide to industry the means to educate & train longwall operators, supervisors and managers to very high levels


Question One

What are the most common causes of:

• Roof falls?

• Coal clearance problems?

• Excessive AFC Creep?

• Loss of Horizon Control?

• Low hydraulic pressure?

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Question 2

• How quickly can you totally destroy a longwall?

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Question 3

If the mine manager said “Lets only use half

of the supports on the next longwall and spread them out a bit”

Would you?

• Call him a very bad name?

• Change your job?

• Say “OK I’m game!”

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A TYPICAL ROOF FAILURE

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Question 4

On a typical 300m longwall using 1000 tonneyield roof supports, approximately how much set load would be lost if the hydraulic pressure drops from 380 bar down to 220 bar?

• none the supports yield at 1000 tonnes

• about 58,000 tonnes

• about 5,800 tonnes

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Where did the coal seam go?

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Question 5

• How big should a roof support be?

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Question 6 – True or False?

• A new longwall costs $80 million?

• Annual operating budget $10 million?

• Longwall training budget $10K?

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Longwall Training

• The Past

• The Present

• The Future


The Past

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The Past

• Imported Pomms

• Joy Foy & John Davis IMC

• Andy Rutherford

• Nick Wills

• Steve Holmes

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The Present

• Andy Rutherford

• Nick Wills

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The Future

• Australian Longwall Consultants Pty Ltd

– Nick Wills – 35 years of longwall mining

– Brad Duggan – 25 years of longwall mining

– Paul Bryan – 25 years of longwall mining

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The Future is NOW

• ALC Projects:

– Narrabri Coal Crew Training

– NRE No1 Crew Training

– Daw Mill Longwall Recovery

– Carborough Downs Crew mentoring

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ALC Future Projects

• Longwall Crew Training

• Refresher training

• Coordinator & Superintendent Mentoring

• Longwall Recovery from Major Roof Falls

• Longwall Operational Audits

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longwall training

Education

longwall training budget

longwall training investment

train longwall operators

new longwall costs

tonne yield roof supports

typical roof failure

supports yield

alc projects