STATUTORY MINE PLANS

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STATUTORY MINE PLANS

• BY ED COTTRELL
• CHAIR SURVEYORS BOARD OF QUEENSLAND

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Introduction

• Im Ed Cottrell, Chair of the Surveyors Board of
  Queensland
• Registered for 37 years, with an involvement
  with Queensland Coal Industry for at least 25
  years
• Today's discussion deals with Statutory Mine
  Plans

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Statutory Mine Plans

• What is the legal basis of a Mine Plan
• Who is Responsible
• How often are they prepared
• Where are they to be kept
• Mine Plan and Accuracy
• Mine Plan Content
• Summary

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Legal Basis of Plans

• Mine Plans are a requirement set forth in
  Queensland legislation.
• Section 67 of the Coal Mining Safety and Health
  Act 1999.
• Part 8, Sections 58 to 63 and Part 7, Section 126
  and 127 of the Coal Mining Safety and Health
  Regulation 2001.
• The Act stipulates the need for a Mine plan and
  who is responsible for and regulation defines
  what form they take and what they must show.

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Who is Responsible

• The senior site executive of the mine must keep
  at the mine and ensure a mine plan is available
  on request by an inspector
• However the accuracy of such plans must be
  certified
• For a Surface Mine, By a Registered Surveyor
  or Surveying Associate registered under the
  Surveyors Act 2003.
• For an Underground Mine, By a person who is
  competent for underground mine surveying
  recognised by the council.

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How Often prepared

• Plans are continually upgraded
• Site senior executive must produce mine working
  plan annually before 31st December to the chief
  inspector
• If a coal mine is abandoned such plans to be
  provided within 14 days after the abandonment.
• Site Senior executive must provide such plans to
  adjoining mine management if
• If asked by the adjoining Mine Site Senior
  executive
• If there is information on the plan relevant to
  the safety of the adjoining mine

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Where are they kept

• Site Senior executive must keep at the mine
• At least one copy must be in transparent hard
  copy form for use in overlaying underground mine
  workings drawings
• Consideration should be given to the storage of
  mine plans especially in circumstances the
  administration/mine office may become destroyed

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Mine Plan Accuracy

• Plan content are generally described in the Act
  under section 67 and then more specifically in
  the regulations sections 58 to 62, Part 8 and
  sections 126 and 127, Part 7 (Surface mines)
• The accuracy of mine plans to be sufficient to
  achieve an acceptable level of risk in the mine
  operation. If areas of the plan are inaccurate
  then they must be highlighted on the plan.

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Mine Plan Content

• Mine Grid preferably GDA(94) with AHD levels
• If not must be referenced to GDA and AHD
• Also must have a control mark near Mine with Mine
  Grid Values and GDA /AHD values recorded
• Hard Copy Mine plans be at a scale 12500
• Contours to be shown on Mine working plans
  covering workings, floors, etc of not more than 5
  metre intervals and to show all potential hazards
• Record all drilling activity
• All mine workings (Current and Abandoned)
• If an underground Mine all surface topography to
  shown as well as the underground workings
• All matters affecting safety such as abandoned
  equipment or hazardous materials are to located
  and shown

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• In Addition to the previous information each plan
  must include
• Mining lease Boundaries
• Cadastral Boundaries of all roads,
  railways,reserves,easements etc within the mining
  lease
• Natural features such as creeks, water courses
  etc where inrush sources could occur from within
  and adjacent to the mine
• Location of all artificial structures
• All service information both surface and
  underground such as
• Electrical, communication and other cabling
• Water, storm water and sewerage lines
• Fuel, Gas and Compress Air storage and
  reticulation
• Rescue equipment, first aid and fire fighting
  facilities
• Etc

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Summary

• Mine Plan preparation are a responsible activity
  and carry a liability
• Must be prepared by a registered competent person
• Must be available on site
• Must be updated continuously and available for
  presentation annually before 31st December
• Must be available to adjoining mine senior site
  executives

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Fini

• Any Questions