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
© Copyright Australian Longwall Consultants
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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© Copyright Australian Longwall Consultants
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
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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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