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RRHP Construction Progress

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Downstream side of the powerhouse. Crane is positioning draft tube stop logs. August 2020

Downstream side of the powerhouse. Crane is positioning draft tube stop logs. August 2020
Opposite side of the river looking at the powerhouse and tailrace. August 2020
Upstream looking at intake structure. Crane is removing temporary access road. Excavator is removing temporary concrete. July 2020
Looking downstream at powerhouse and substation from top of dam. Final grading is done and grass planted. July 2020
Looking at downstream side of the powerhouse and tailrace. July 202
Looking downstream from top of dam at substation and powerhouse. Temporary erosion control measures in place on dam slope until grass is established.July 2020
Looking at main entrance to the powerhouse and access road to the substation. Roadwork and landscaping finished. Just waiting for the grass to grow. July 2020
Looking downstream from top of dam at substation and powerhouse. July 2020
Opposite side of the river looking upstream at Corps outflow works, powerhouse, and tailrace. July 2020
Upstream looking at intake structure. Crane is removing secant piles (part of the upstream cofferdam used to construct the intake structure). Excavator is filling in slope between intake structure and dam. July 2020
August 2020
Downstream side of dam showing powerhouse. 2020
Downstream side of dam showing powerhouse. 2020
Downstream side of dam showing powerhouse. 2020
Downstream side of dam showing tailrace. 2020
Downstream side of dam showing final grading. 2020
Downstream side of dam showing powerhouse and switchyard. 2020
Substation behind the powerhouse, the crane is installing liners for the downstream penstock for Unit 1. 2020
Intake structure located on the lake side of the dam. 2020
Turbine floor (elevation 722) inside of the powerhouse. 2020
View of the powerhouse downstream, land side. 2020
View from the top of the tainter gates looking at the river side. 2020
Downstream of the powerhouse looking towards the powerhouse and dam. M2020
Downstream side of dam showing walkway concrete work 2020
Upstream side of dam showing intake construction and removal of work platform 2020
Upstream side of dam showing intake access road 2020
Downstream side of dam showing powerhouse and substation 2020
Downstream side of dam showing powerhouse and parking lot, 2020
Downstream side of dam showing penstock for Unit 2 dirt fill 2020
Aerial View of the Red Rock Hydroelectric Project, 2020.
Powerhouse. Nov. 26, 2019
Powerhouse. Nov. 12, 2019
Upstream side of dam. Nov. 5, 2019
Downstream side of dam. Nov. 5, 2019
Upstream side of dam showing intake construction. October 14, 2019
Downstream side of dam showing powerhouse. Oct. 7, 2019
Downstream side of dam showing tailrace. Sept. 23, 2019
Upstream side of dam showing intake construction. Sept. 19, 2019
Upstream side of dam showing intake construction. Sept. 9, 2019
Downstream side of dam showing powerhouse with cofferdam removed. Sept. 5, 2019
Upstream side of dam showing intake structure construction. Aug. 20, 2019
Downstream side of dam showing powerhouse. June 27, 2019
Downstream side of dam showing switchyard construction. June 5, 2019
Upstream side of dam. May 1, 2019
Downstream side of dam showing switchyard construction. May 1, 2019
Inside powerhouse showing elevation 722. April 2019
Downstream side of dam showing Unit 2 penstock excavation. April 2019
Downstream side of dam showing powerhouse. March 2019
Upstream side of dam showing intake structure during flooding. March 2019
Downstream side of dam showing powerhouse and tailrace. March 2019
Downstream side of dam showing the powerhouse. March 2019
Downstream side of dam showing powerhouse and cofferdam partially removed. March 2019
Upstream side of dam showing intake structure. March 2019
Downstream side of dam showing powerhouse and penstock for Unit 2 construction. February 2019
Downstream side of dam showing powerhouse and cofferdam removal. February 2019
Upstream side of dam showing intake structure. February 2019
Downstream side of dam showing powerhouse. January 2019
Downstream side of dam showing tailrace and one cofferdam cell removed. January 2019
Inside powerhouse showing elevation 722 deck. January 2019
Downstream side of dam showing powerhouse and bridge. January 2019
Downstream side of dam showing tailrace and cofferdam. January 2019
Upstream side of dam showing intake construction, December 2018.
Downstream side of dam showing tailrace, December 2018.
Downstream side of dam showing powerhouse, December 2018.
Downstream side of dam showing penstock for Unit 2 excavation, November 2018.
Downstream side of dam showing elevation 722 deck, November 2018.
Downstream side of dam showing cofferdam deconstruction, November 2018.
MRES and WMMPA Directors, city officials and policy makers from Pella (Iowa) stand around the generator rotor for Unit 1 during a tour of RRHP in October.
Directors from both the MRES and Western Minnesota Municipal Power Agency boards, and several city officials, employees, and policy makers from Pella (Iowa) toured the Red Rock Hydroelectric Project (RRHP) in October. The project is expected to be operational in 2020.
Watering Up Tailrace, September 2018.
Penstock 1 Excavation, August 2018.
Installation of turbine guide-bearing seal, August 2018.
Installation of HVAC in powerhouse, August 2018.
Installation of switchboard in powerhouse, August 2018.
Installing 16-inch piping at intake structure, August 2018.
Unit 2 discharge ring/bottom ring installation
Installing Unit 1 outer head cover
Installing Unit 2 facing plates.
Installation of downstream log stop guides
Cleaning and prepping Unit 2 turbine shaft.
Downstream side of dam showing powerhouse with windows installed - June 25, 2018.
Upstream side of dam showing intake construction - June 25, 2018
Inside of powerhouse showing elevation 722 deck and crane installed - June 18, 2018.
Inside of powerhouse showing elevation 722 deck - May 31, 2018.
Load Testing the Crane, May 2018.
Inside of powerhouse showing elevation 722 deck - May 7, 2018.
Downstream side of dam showing powerhouse side walls complete - May 2018.
Downstream side of dam showing powerhouse and penstocks - April 30, 2018
Downstream side of dam - April 30, 2018
In the south corner of the powerhouse at elevation 667 - April 2, 2018.
Powerhouse - March 19, 2018
MRES & WMMPA Board Tour - October 22, 2017.
MRES & WMMPA Board Tour - October 22, 2017.
Preparation of the Generator Floor -September 15, 2017.
Pella West Substation - September 13, 2017.
Intake Structure - September 5, 2017.
Iowa Utilities Board Tour - August 30, 2017.
Dam Face Initial Cut - August 30, 2017.
National Hydropower Association Tour - August 29, 2017.