Sheetflow Erosion Control Erosion Control for the CESCL

October 16, 2020

Boulder Fence Silt Fence

Photo: David Jenkins-Sheetflow Erosion Control

I like boulder fence but I hate silt fence. I hate that it is plastic and not recyclable and that it ends up in the land fill. However, it is very strong and in this instance it is the right BMP.

September 22, 2020

Beached Whale Beached Log

Filed under: Photo — Tags: , , , , , , , , — Sheetflow @ 3:34 am
photo: David Jenkins

Is it a beached whale or a beached log? I think this 80 year old log on the Duwamish Waterway looks like Moby Dick. Did you know that the singer Moby is related to Herman Melville?

May 29, 2020

Superfund Riverbank Cleanup

Superfund riverbank cleanup at Terminal 117 on the Duwamish Waterway.
Photo: Port of Seattle

We started this superfund riverbank cleanup in 2013, finishing in early 2015. The project involved removing over 40,000 cubic yards of PCB-contaminated soil.

The project was in the inter-tidal zone; the contractor maintained vertical and horizontal separation between the excavation the the tide level.

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