Sheet Flow Construction Erosion Control

May 6, 2022

Small River and Creek Diversion Strategy

Filed under: Uncategorized — Sheetflow @ 8:41 pm
PNW Chapter – International Erosion Control Assn.

April 5, 2022

Someone’s Got Some ‘splainin to Do

Filed under: Uncategorized — Sheetflow @ 7:07 pm


March 5, 2022

Looks Like Bonded Fiber Matrix

Filed under: Uncategorized — Sheetflow @ 6:59 pm
News Channel 3-12

February 11, 2022

What a Muddy Mess

Filed under: Uncategorized — Sheetflow @ 6:50 pm
Hugo de Vries

January 26, 2022

Measuring Turbidity

This is how you’re supposed to prepare and sample for turbidity. This is not how I have ever done it.

January 11, 2022


Filed under: Web Site — Tags: , , — Sheetflow @ 11:32 am

Did you know that if you’re 35 or under, you can join the International Erosion Control Association as a Young Professional for only $115 USD per year? Just think, a couple coffee’s per month!

This membership category is designed for emerging leaders within the erosion and sediment control and stormwater management profession.

Check out the membership page at :

December 23, 2021

Catch Basin Protection

Title: Down the Drain-Catch Basin Protection

Topic: How do you project a catch basin during construction? Is a catch basin insert enough? What are you trying to protect it from-sediment, turbidity, gravel? How to you protect non-standard catch basins, slot drains, curb drains? What about covering them to keep everything out? Should you use plugs in the storm pipe? These and other questions will be discussed in this brief overview of catch basin protection.

Speaker: Dave Jenkins, CPESC, has over 25 years experience in heavy civil, public works construction as an erosion control and stormwater engineer, resident engineer, and construction inspector. He is trying to retire, but feels the need to keep going back to work and is closing out a habitat restoration project for the Port of Seattle.

Date: 2021 December 20, 12:15 to12:45pm

Organization: Pacific Northwest Chapter-International Erosion Control Association Website:

December 16, 2021

IECA Annual Conference

Starts:  Feb 15, 2022 08:00 AM (CT)
Ends:  Feb 18, 2022 04:00 PM (CT)Join us February 15-18, 2022 in Minneapolis, Minnesota for the 50th IECA Annual Conference and Expo, with supporting partner, Minnesota Erosion Control Association. More information

November 19, 2021

Tire Washes: Choosing, Specifying and Using

Title: Tire Washes: Choosing, Specifying and Using

Topic: In this presentation you will learn how to decide if you need one, how to avoid using one, what to look for if you do need one, how to make them work even better, how to write some specifications.

Speaker: Dave Jenkins, CPESC. Dave has been working on heavy civil public works construction for almost 30 years. In that time, he has been trying to figure out how to avoid using tire washes. It turns out, when you are working a 600 acre earthwork job over four winter rainy seasons, you really do need a tire wash.

Date: 2021 November 19, 12:15 to12:45pm

Organization: Pacific Northwest Chapter-International Erosion Control Association Website:


Creative Commons Attribution license (reuse allowed)

October 23, 2021

Writing Contract Specifications

Topic: Writing specifications is always challenging. Writing specifications that incorporate environmental permit requirements is especially challenging. After this presentation, attendees will understand the difference between contract and permit language, how to determine what parts of a permit should be in a contract, and how to translate permit language into enforceable contract language.

Presenter: Dave Jenkins, CPESC Dave has worked in construction erosion control for over 27 years. He recently retired after 22 years as the Port of Seattle Erosion Control/Stormwater Engineer. Prior to the Port, he was the WSDOT Statewide Erosion Control Coordinator, responsible for developing and implementing their first contractor erosion control certification program. All of Dave’s experience is in heavy civil, public works construction, primarily seaport, airport and roadway infrastructure.

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