1. WAYNE KINNEY’S REALLY TALL ENGINEERED ROCKED RIFFLES (ERR) CASE STUDY: ERR #12, WHICH IS A 4.7 FT TALL STRUCTURE

2. STABILIZE HEADCUTS FIRST, THEN WORRY ABOUT BANK INSTABILITY SECOND

3. Mini case study: 1 of 10
DESIGN & CONSTRUCTION OVERSIGHT BY WAYNE KINNEY, PREZ, MIDWEST STREAMS, INC. OAKDALE, IL.

4. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. {rural, sand-gravel, pool-riffle-pool, meandering, incised} Designed by Wayne Kinney
Mini case study: 2 of 10
Looking DS at the 4.7 ft tall Engineered Rocked Riffle in the proper location in the crossing between two bends
Photo by Derrick 2/7/2007

5. Pool
Bank protection
Key
Glide
ERR
Key
Bank protection

6. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 3 of 10
Photo by Derrick 2/7/2007
Looking at the key, flow right to left. US ERR slope is angle of repose, DS ERR slope is 20 to 1.

7. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 4 of 10
Key is dug 3 ft deep into substrate & up each bank. Stone is IL-DOT RR5-well-graded stone with a top size of 400 pounds.
Photo by Derrick 2/7/2007

8. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 5 of 10
Looking DS. Uniform 20 to 1 slope, roughness dissipates energy & assists in fish passage.
Photo by Derrick 2/7/2007

9. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 6 of 10
Photo by Derrick 2/7/2007
Flood flow crested 5 ft above banks (30 ft over the crest of the ERR) with no damage

10. Looking US at the 4.7 ft tall Engineered Rocked Riffle
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 7 of 10
Looking US at the 4.7 ft tall Engineered Rocked Riffle
Photo by Derrick 2/7/2007

11. A 4. 7 ft tall ERR, Big Creek, Union County, IL
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 8 of 10
Photo by Derrick 2/7/2007

12. Mini case study: 9 of 10
Looking US. A thing of beauty!! Stone was track-walked to increase stability
Photo by Derrick 2/7/2007

13. Looking US, note riprap bank protection.
A 4.7 ft tall ERR, Big Creek, Union County, IL. Designed by Wayne Kinney
Mini case study: 10 of 10
Looking US, note riprap bank protection.
Photo by Derrick 2/7/2007

14. This PowerPoint presentation was developed & built by Dave Derrick
This PowerPoint presentation was developed & built by Dave Derrick. Any questions or comments, call my personal , or Enjoy the information!!
“Based on the interagency publication, Stream Corridor Restoration: Principles, Processes, and Practices, this introductory training covers:
Stream corridor ecosystems and their components
Ecological processes, structure & functions
Characterization and analysis of stream corridors
Development of a restoration plan
Design, implementation, monitoring, and
Integrated, iterative, adaptive, flexible approaches”.