Lakeside Project Utah Abandoned Mine Reclamation Program Division of Oil, Gas & Mining Department of Natural Resources
Purpose : To seal hazardous abandoned mines
Abandoned Mine Hazards • • • Roof collapse Unstable side walls Total darkness – you can easily get lost Hidden vertical shafts inside Toxic gases Lack of oxygen
Project would close: • 14 portals • 19 shafts • Affect <5 acres
Right of Entry (ROE) • Permission is obtained from all land owners prior to any construction work – Private land – Public (Bureau of Land Management) – State Trust Lands (minerals) – Private (Surface)
Legal Authority • Utah has primacy under the Surface Mining Control and Reclamation Act of 1977, SMCRA
Project Costs • Funded by a tax on current coal production
Project Selection • Ranking priority system considers: – Population: Resident and Transient – Mining Districts: historic mining areas – Mine density – Roads and accessibility
Project Schedule • Work would occur in late summer/fall of 2008 • Work would require 4 weeks
Some of the laws we comply with: • • National Environmental Policy Act NEPA National Historic Preservation Act Antiquities Act Endangered Species Act
Environmental Assessment • Analyzes potential impacts on the environment • Includes clearances from: – State Historic Preservation Officer – US Fish and Wildlife Service • Sign-offs from: – Office of Surface Mining – Bureau of Land Management
Surveys & Data Collection • • Abandoned Mine Inventory Cultural & Historical Surveys Bat Surveys Paleontological Surveys (not applicable for Lakeside Project)
Abandoned Mine Inventory
Historical and Cultural Inventory House Foundation
Bat Surveys
Paleontological Survey
AMRP’s Intent • Cause the least amount of disturbance possible • Design mine closures so that historical features are preserved • Revegetate all areas disturbed
Mine Closure Designs
Hand Backfill
Equipment Backfill before & after
Equipment Backfill – before & after
Equipment tracks raked & seeded
Bat Gates Locked steel gates allow for access and bat usage
Pinned Grate – before & after
Pinned Grate – before & after
Shaft Grate - Concrete Grade Beam
Block Wall – before & after
Block Wall – before & after
Stone Wall – before & after
Stone Wall – before & after
Closure # Avg. Costs • • • 21 5 1 0 1 1 4 0 0 <$10/CY ~$100/CY ~$40/SF ~$75/SF ~$50/SF ~$450/CY varies Machine Backfill Hand Backfill Block Wall Stone Wall Bat Gate Grade Beam Grate Pinned Grate PUF Compound Custom
Public Participation • What are your concerns? • Please give us your comments. • Contacts: Chris Rohrer or Connie Jo Garcia EA Coordinator Project Manager 801 -538 -5322 801 -538 -5347 chrisrohrer@utah. gov conniegarcia@utah. gov
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