Sheet Flow Construction Erosion Control

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.

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: http://www.pnwcieca.org/

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: http://www.pnwcieca.org/

License

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.

October 13, 2021

Wet Weather Construction

Title: Wet Weather Construction As we enter the fall season, it’s time to think about rain, maybe lots of it. stormy weather is coming-will you be ready for it? This presentation will show ways to prepare for it. Dave will walk through several projects and talk about how they survived, covering design, best management practices, field changes, and working with contractors.

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.

September 23, 2021

Seattle Tacoma International Airport

A very nice overview of my former place of employment for 22 years, Seattle Tacoma International Airport. I oversaw erosion control on the 3rd Runway and many other projects.

August 13, 2021

Don’t Fence Me In – Silt Fence Alternatives

Don’t Fence Me In – Silt Fence Alternatives David Jenkins, CPESC

July 29, 2021

Dewatering Demystified

Dewatering Demystified David Jenkins, CPESC

January 7, 2021

Site 25 Construction Erosion Inspection Part 4

January 6, 2021

Site 25 Construction Erosion Inspection Part 3

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