Sheetflow Erosion Control Erosion Control for the CESCL

October 13, 2020

Plastic Covered Slope

Here is a nice, plastic covered slope. They have placed sand bags on the seams, the seams are overlapped at least 12 inches and the plastic is run all the way to the bottom of the slope. This is a riverbank habitat restoration project on the Duwamish Waterway.

Video: David Jenkins

September 30, 2020

Slope Covered with Plastic

View of slope on Site 25 Habitat Restoration Project. Photo: David jenkins

We have covered a slope above the Duwamish Waterway with plastic until landscaping occurs in December. The contractor has done a great job overlapping the plastic sheets and securing them with sand bags.

March 31, 2020

Straw Wattle on Slope Stops Rills

Video: David Jenkins

This straw wattle on a slope stops rills before they can completely form.

March 3, 2020

Track Walking a Slope

Track walking a slope before spraying on the bonded fiber matrix, seed and fertilizer.

December 24, 2019

Shortening Slope Length

Video: David Jenkins

In this video, I discuss shortening slope length with coir logs installation methods.

December 10, 2019

Creative Contractor Makes Slope Tracking Excavator Bucket

Leave it to the creative contractor to come up with creative solutions. Confronted with a small, steep slope and wet soil, the contractor didn’t want to risk walking a small caterpiller up and down to roughen it before hydroseeding. Using some angle iron and an excavator bucket, they welded up a slope tracker. The operator tamps the slope with the bucket just like they are compacting the slope. This is the result.

 

Video: David Jenkins

November 19, 2019

A Little Rain on Roughened Slope

This video shows the effect of a little rain on a roughened slope that has a high percentage of silt.

 

Video: David Jenkins

June 4, 2019

Rough vs Smooth Slope

This is a dramatic example of the effect of rainfall on a Rough vs Smooth slope.

The rough side was “track walked” using a small Caterpiller tractor.   The other side was “back-bladed” smooth with the same tractor.

Both test plots were prepared with the same soil and then sprayed with bonded fiber matrix (BFM) with seed and fertilizer.

Video: David Jenkins

April 7, 2018

Slope Drains

Pipe slope drains are a great best management practice for conveying water down to the base of a slope. Water allowed to flow over a slope will cause rills and gullies to form, depositing tons of sediment at the bottom of the slope. This clip shows a good application of a pipe slope drain, except the pipe doesn’t go to the base of the slope.

Video: David Jenkins

January 20, 2018

Straw Wattles on Slope

Here is another example of the benefits of using straw wattles on a slope. 

Video: David Jenkins
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