BUREAU OF ABANDONED MINE RECLAMATION./groundhog/publication/BAMR_ProjectsCMU.pdfDownhole Mapping...
Transcript of BUREAU OF ABANDONED MINE RECLAMATION./groundhog/publication/BAMR_ProjectsCMU.pdfDownhole Mapping...
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Pennsylvania Department Of Environmental Protection
Bureau Of Abandoned Mine Reclamation
10/18/02
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BAMR Mission Statement• The Bureau’s mission is “to reclaim and
rehabilitate the scars of abandoned mining operations where no responsible party exists; to protect the health and safety of residents of coal mining areas from mine hazards; to improve the quality of streams adversely impacted by drainage from abandoned mines; to restore drinking water to those whose water has been contaminated or diminished by past mining activities; to enhance the environment; and to use program resources effectively and efficiently.”
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BAMR DISTRICT BOUNDARIES
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Problem Areas Left by Past Coal Mining
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PROJECT FUNDING SOURCES• OSM Title IV Funding
– Fees paid by active coal industry nationwide– Grants provided to states with approved programs– PA currently receiving approx. $25 million/yr
(Includes 10% Set-Aside)– Primary purpose is for human health and safety
problems– Appalachian Clean Streams Initiative (ACSI)
Funds• Bond Forfeiture Funds• Growing Greener (G2) Funding
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Types of Abandoned Mine Land (AML) Problems
• Mine Subsidence• Abandoned Surface Mines
– With Dangerous Highwalls– With Water-Filled Pits
• Mine Openings – Shafts, Slope Entries, Portals• Underground Mine Fires and Refuse Pile Fires• Abandoned Equipment and Facilities• Mine Drainage• Abandoned Spoil and Refuse Piles
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Mine SubsidenceProblems
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Mine Subsidence – Allegheny County, Pennsylvania
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Mine Subsidence – Fayette County, Pennsylvania
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Mine Subsidence –Cavehole
Armstrong County,Pennsylvania
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Subsidence ControlProjects
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Drilling Injection Boreholes
Drilling Injection Boreholes
Batch Plant
Grout Injection
Drilling and Grouting Operation – Armstrong County, PA
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Injection Borehole
Cross Section of Grouting Operation
Sand-Cement-Flyash Grout
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Mine Openings
-Vertical Shafts
- Slope Entries
- Portals & Drift Openings
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Vertical Mine Shafts
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OpenSlope Entries
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Open Portals and Drift Openings
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Pneumatic Stowingof Open Mine
Entries – ArmstrongCounty, PA
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Underground Mine Firesand
Coal Refuse Pile Fires
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Coal Refuse Fire
JeffersonCounty, PA
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UndergroundMine Fire
FayetteCounty, PA
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Spreading and Quenching
Coal Refuse Pile FireExtinguishment and
Reclamation Project –Indiana County, PA
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Mine Drainage Problems
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AMD Discharge – Little Mill Creek,Clarion County, Pennsylvania
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Mine DrainageDischarge and Passive Mine
Drainage TreatmentSystem – Crooked
Creek, Indiana County, PA
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Mine Drainage DischargeAnd Passive Mine
Drainage TreatmentSystem – Loyalhanna Creek,Westmoreland County, PA
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Downhole Mapping Device Requirements
• Ability to transport to site using a small or midsize SUV.
• Device must be capable of operating independently from the transport vehicle (12 volt D.C. or 120 volt A.C. generator)
• Deployable in a cased HQ borehole (3-inch I.D. plastic or steel casing)
• Optional deployment in an air rotary drill hole (4 or 6-inch I.D. plastic or steel casing).
• Utilization in dry, partially inundated or completely flooded mine voids
• Ability to utilize device in a horizontal conduit or opening, vertical shaft or subsidence feature.
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Downhole Mapping Device Requirements
• Optional optical camera attachment which can rotate and pivot (w/lighting and audio visual output).
• Depth measurement and recording capability• Optional temperature sensor for use in mine fire
applications.• Optional sensors for mine water quality parameters
(pH and conductance).• Operational software must be Windows 2000 and Intel
P3 compatible.• Analysis software must be AutoCAD 2000 and/or
SurvCADD compatible.