WAYNE KINNEY’S REALLY TALL ENGINEERED ROCKED RIFFLES (ERR) CASE STUDY: ERR #12, WHICH IS A 4.7 FT TALL STRUCTURE
STABILIZE HEADCUTS FIRST, THEN WORRY ABOUT BANK INSTABILITY SECOND
Mini case study: 1 of 10 DESIGN & CONSTRUCTION OVERSIGHT BY WAYNE KINNEY, PREZ, MIDWEST STREAMS, INC. OAKDALE, IL.
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
Pool Bank protection Key Glide ERR Key Bank protection
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.
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
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
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
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
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
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
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
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 cell @ 601-218-7717, or email @ d_derrick@r2d-eng.com 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”.