6.2 SR 12-20-2021
Request for Action
To Item Number
Mayor and City Council 6.2
Agenda Section Meeting Date Prepared by
Presentations, Awards, December 20, 2021 Amanda Erickson, Environmental Coordinator
and Recognition
Item Description Reviewed by
Great River Energy Elk River Station Cal Portner, City Administrator
Demolition and Restoration Update
Reviewed by
Action Requested
Receive information.
Background/Discussion
Great River Energy (GRE) completed demolition and restoration of the Elk River Station over the last two years.
GRE was able to reuse or recycle a significant amount of material in this process and has completed the
restoration of the hillside.
Tim Steinbeck, Director of Resource Recovery & Development, and Cassie Johnston, Environmental
Administrator for the project, will provide an update to Council.
Financial Impact
N/A
Mission/Policy/Goal
N/A
Attachments
None
The Elk River Vision
A welcoming community with revolutionary and spirited resourcefulness, exceptional
service, and community engagement that encourages and inspires prosperity.
Updated: August 2020
Great River Energy Tim Steinbeck, GRE DirectorCassie Johnston, GRE Environment Administrator Dec. 20, 2021–Elk River City Council decommissioning and restorationElk River Station
Elk River Station
Project Timeline)MnDNR(MnDOT & Permitting River Intake DEC. 2020-JULYfoundation abandonment –permitting Specific Beneficial Use -Case2020-JULY 2019 202120202019 structural demolitionAboveground
DEC.-MAY Plugged river intake pipesRelocated falcon nesting box;Decom. Activities; Environmental Surveys;Companies (TX)Awarded contract to GSD DEC.–SEPT. river intake structureRemoval
& restoration of water pipelines;Filling of river intake Plant site restoration;Rachel Contracting (MN)OCT.-JULY DEMO COMPLETEconcrete foundations;Partial removal of JUNE-JAN Asset
recoveryactivities; Cont. decom. April-FEB. & demo.Prep for decom. ERS;No offers to buy AUG.-MAY ceasedBoiler operations equipment laid up;Facility cleaned & MAR.–JAN. generated& MWh
Last RDF burned JANUARY
May 2020 Demolition begins–
June 6, 2020 Ash barn & stack demo underwaySubstation equipment removed
July 7, 2020 Loader shed removedAsh barn & stack removed
July 20, 2020 structure (AQCS) felledAir quality control
August 19, 2020 removed; Baghouse felledLime silo & elevator building
Overhead Conveyor Removed September 4, 2020
Superheater bldg. removed September 22, 2020 Turbine bldg. demo underway
Turbine bldg. & Boiler house October 6, 2020 demo underway
Boiler felling November 3, 2020
November 19, 2020 site cleanup underwayConcrete slab removal &
December 9, 2020 removal continuesCleanup & partial concrete
Partial concrete removal continues April 5, 2021
Warehouse structure removed; July 9, 2021 DEMOLITION COMPLETE
Hillside filling & grading; August 18, 2021 intakeRiver structure & pipeline fillingremoval of river intake
RESTORATION COMPLETE storage yardacre material -~2 October 12, 2021
Restored hillside October 12, 2021 native prairieplanted with -
River Intake Structure MnDNRapprovals from MnDOT & Restored per direction & AfterBefore
(tons)Structural Waste Materials 1,397Landfilled 6,927RecycledScrap Metal RecyledConcrete Project Statistics Site total now >12 acres■ planted ~3.4 acres native prairie River shoreline
restored~100 ft of Mississippi placed for hillside~43,000 CY fill material recycled93% structural materials
Elk River Campus located here~130 employees still Storage yards■ Substations■ Offices■ maintenance garageWarehouse & ■ Peaking station■ Activities & staff remain: