DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Mining Management Act
Security
2009
www.nt.gov.au/drdpifr
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Introduction to the Minerals &Energy Security
Process
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Security policy
Security Assessment Board
Transfer of titles
Information required
Minimum closure expectations
DRDPIFR security calculation tool
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
SECURITY POLICY
Security Assessment Board was established to oversee all security matters.
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Security will be applied to all Authorisations
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The Minister shall determine the level of security
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100% of the security calculated is to be submitted.
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Calculation of securities will be based on the actual cost of rehabilitation
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Securities will be regularly reviewed
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security released once closure criteria have been met.
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Cash or Bank Guarantee
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Operator submits Application
Documents (forms, MMP / EMP)
Assessed for referral to EHA
MMP Assessed
Not
Accepted
Accepted
DRDPIFR Security Calculation
Security Assessment Board
Endorsement
Security Request and lodgement
Authorisation Issued / MMP Approved
Operational Activity
Operator Notified of Deficiencies
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Operational Activity
Not
Revised MMP’s submitted and assessed
Security Reviewed
Revised Security lodged
MMP Approved
Operational Activity
Accepted
Operator Notified of Deficiencies
DRDPIFR Audits
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Security Assessment Board - SAB
• Established 2005 to endorse level
of security
• Membership
• Scope
• Benefits
• Confidentiality
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Transfer of Titles
When a new operator takes over an
existing Authorised tenement, to
ensure continuity of operational
activities;
• Before transfer the original owner
nominates new owner as
operator;
• New operator applies for an
Authorisation;
• Submits MMP;
• Security based on existing and
proposed disturbances
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
General Overview of Security Calculation
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Calculations are based on the
activities detailed in the MMP
Operator is required to do a self
assessment
Consideration of post closure
activities
Appropriate remediation
techniques
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Information Required
• Proposed life of plan and life of
mine closure options
• Size of disturbed areas
• Inherent aspects of disturbed
areas
• Rehabilitation material sources
and methods to be used
• Research or trials results (if
undertaken)
• End land use
For the Department to undertake an accurate and fair assessment of the
intended program, details of the area and number of disturbances must be
included in the MMP.
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Expected Closure Objectives
• Compatibility with agreed post
mining land use
• physical safety
• low risk to biota
• Stability
• Rubbish clean-up
• Revegetated or otherwise
improved
• Visual amenity
• Heritage and archaeological sites
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Site Infrastructure
• Buildings and plant removed
• Power terminated
• Contaminated soils/materials
removed
• Concrete footings broken up and
buried or removed
• Area ripped and revegetated
• Alternative beneficial use for
underlying land owner
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Extractive –Sand, Gravel, Clay
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Battering and contouring of walls
Or backfilling
Topsoil replacement if available
Ripping/ drainage contouring
Revegetation
Access closure
Erosion / fire / revegetation /weed
monitoring
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Hard Rock Pits & Quarries
• Walls stabilised
• Abandonment bund /access
closure/fencing
• capping, contouring, ripping
• Revegetation
• Monitoring of pit, ground and
surface waters
• Fire, weeds, erosion
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Underground Workings
• Capping or infilling of shafts
• Adit/decline closure or sealing
• Ventilation fans sealed and
rehabilitated
• Geotechnical monitoring
(slumping)
• Geochemical monitoring (ground
water interactions)
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
TSF’s and Dams
• Battering & revegetation of dam walls.
• Tailings Dams – Capping and reseeding
appropriate to the material being mined
and closure objectives
• Contouring/ripping and drainage works
• Longer term monitoring and
maintenance (revegetation, water
quality, stability)
• Beneficial use for underlying land owner
i.e. stock watering
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
WRD’s and Stockpiles
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Stabilisation or removal
Reshaping to appropriate grades
Erosion control / drainage works
Capping and contouring
Revegetation
Seepage management
Longer term monitoring and
maintenance
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Exploration
• All rubbish removed
• Tracks/gridlines
– Ripped, windrows removed and erosion
protection
• Drill holes
– capped/plugged below ground level,
sample bags removed
• Drill pads
– ripped and contoured
• Costeans and trenches
– In filled
• Bulk samples pits
– Walls contoured, bunding if required
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Minimum Closure Expectations
Access and Haul Roads
• Breaking up and removal of
bitumen
• Removal of contaminated material
• reshaping
• Topsoil replacement and windrow
removal
• Ripping and contouring for
erosion control
• Revegetation
• Potential beneficial use for
underlying land owner
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Post Closure
• Mobilisation
• Contaminated site
assessment
• Pest and weed
management
• Earthwork and vegetation
maintenance
• Environmental monitoring
• Project management
• contingency
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Lodgement and Variation of Securities
• Securities are paid prior to issue of Authorisations or
approval of MMP’s
• Must be in the form of cash or bank guarantee
• May be revised when:
– Annual MMP updates are undertaken;
– Compliance and Closure audit findings;
– Notification of changes to the project by operator.
• Securities  over life of Authorised operations depending
on area opened v’s area rehabilitated
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
Release of Securities
• Agreed closure criteria through
approved EMP/MMP must be
met.
• Verification of closure
– DRDPIFR closure audits
– Photographs and GPS
references for more remote
low risk activities.
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Positive trends in environmental
aspects established
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
2009 Review of Cost Estimates
• States and industry
• Third party
• More information on
expected rehabilitation
techniques
• More detailed notes
DEPARTMENT OF REGIONAL DEVELOPMENT,
PRIMARY INDUSTRY, FISHERIES AND RESOURCES
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