Blogs

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Yesterday, we hosted a webinar on the challenges of working on and around impervious surfaces; I have included the link. What have been your experiences with this? What BMPs have you used? Video link: https://youtu.be/-GWQ-FWi-Lc #BMPs #construction #impervious #runoff ​​​​​
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Construction Exit Fail

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This is a 30 + acre site with one access point, this one. If this was my project, I would have specified a tire wash with an asphalt exit to the street. The tire wash would have been long enough for two tire rotations, have high pressure, low volume nozzles located such that all tire surfaces were sprayed. This system would also have an on-board, treatment polymer injection system to keep the tire wash water relatively clean. I would have specified that the water be tested for turbidity daily, measured at 50 NTUs or less. Since the water is classified as “process water”, I would have required it to be tested for metals and other contaminants, then hauled to an ...
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This late-summer project needed to be seeded and have 90% grass cover befor the rainy season starting in fall. The contractor set up a temporary irrigation system to make sure that happened. Video: David Jenkins, CPESC
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Our October webinar, " Inspecting Construction Erosion Controls-Some Examples" is now posted on our chapter YouTube channel.
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Clean Water Diversion

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Unrolled Asphalt Berm Edge for Clean Water Diversion – Here is a cool trick for keeping clean water out of your project. The contractor put down asphalt but didn’t roll (compact) the edge, which left a 3 or 4 inch berm. Clean rain water was kept on the asphalt rather than flowing off into the dirt shoulder and disturbed areas. Video: Dave Jenkins, CPESC
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Civil Engineering Intern - 2023 Portland Civil + Survey Civil Engineering Internship – 2023 We have 3 Summer Internship positions available, which run May-August or June-September (depending on the student’s school schedule). A successful intern in our program is someone who enjoys being challenged -- you will be integrated into a team with coworkers ready to share their professional experience as you work on projects together. You will be working with PEs and Civil Designers and will be utilizing Civil3D beginning on your first day here. There will be opportunities for design, plan production, research, and site visits (with the necessary ...
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This video shows a wattle installed around a catch basin to keep straw out that has been placed as soil cover. Video: Dave Jenkins, CPESC
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Video: David Jenkins This is a video I took a year after these straw wattles were installed on a slope to reduce erosion.
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Curb Inlet Protection

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Curb Inlet Protection According to the Minnesota Stormwater Manual : “Curb Inlet protection devices intercept and/or filter sediment before it can be transported from a site into the storm drain system and discharged into a lake, river, stream, wetland, or other waterbody. These devices also keep sediment from filling or clogging storm drain pipes, ditches, and downgradient sediment traps or ponds. Inlet protection may also include placement of a barrier to create a bypass of an inlet transferring flow downstream to a sediment trap, basin, or other inlet discharging to a non-critical area.” Nothing wrong with sediment control BMPs, as they are ...
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Tags: construction erosion and sediment control, silt fence, straw Wattle On some small projects, with low risk for erosion of sediment into a creek or other Waters of the United States, silt fence is overkill and will just end up in the landfill when the project is done. In this case, straw wattles work just fine. Video: Dave Jenkins, CPESC
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Hello IECA members! I am Joanna Fetherolf – Managing Director of Conferences & Education for IECA. I manage the conferences and education put on by IECA, constantly striving to provide our membership with the education you seek and the experience you expect when you participate in IECA programming. One of my passions is building impactful events through programming, collaboration and connection. Today I wanted to share some unique KCMO experience we have lined up for the IECA 2023 Annual Conference & Expo. Oh and by the way – did you know we are co-located with the Advanced Textile Associations Geosynthetics conference this year? Attendees will have ...
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Giant Zippers?

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Saw these on a construction project a couple of years ago; anyone know what they are for?
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I came to the International Erosion Control Association as a vendor 15 years ago to help sell a solution to an industry I didn’t know much about at the time. Here’s the beauty of the last 15 years of being in that same association: I received an education on the entire treatment train that should occur during construction and then into a maintenance program for that same site. From site visits, sediment barriers, slope interrupters, curb and grate protection, flocculants, sediment basins, skimmers, grate inserts, vaults, bioswales, vaults, and underground detention, just to name a few. This education made me a better stormwater professional, and I can now ...
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Detroit Rip Rap

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Ever seen Detroit rip rap? This installation is located at Milepost 25 on Highway 89, just under 40 miles east of Kanab, Utah. The hike to it takes about 10 minutes. I found a couple of early sixties Ford Falcons, a mid-sixties Lincoln, some mid-sixties Chevy Impalas, and a Corvair with the engine. I couldn’t identify the other cars.
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IECA Board President Nicky Araujo discusses the group's mission to preserve soil and water through education. https://www.stormh2o.com/erosion-control/video/21258192/preserving-soil-and-water-for-future-generations
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1st Place (tie): Trevor K. Eckermann, EIT - "Hydraulic Modeling of Vegetation Restoration and Disturbance in Alvarado Creek" 1st Place (tie): Danielle Hunt, BS - "Modeling the effects of fire and vegetation management on flooding and sediment transport in an urban stream system" 2nd Place: Jaime C. Schussler, M.S., CPESC IT, EIT - "In-channel Sediment Basins: Innovative or Ineffective? A Large-Scale Research Study at the Auburn University Stormwater Research Facility" 3rd Place: Lura Johnson - "2021 Adirondack Aquatic Invasive Species Surveys: Early Detection Team" Learn about all 15 University Partner poster presenters at https:// ...
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