Sunday, May 16, 2021

Erosion Control at Amalyn Bethesda site


Just over a week ago they started doing work on the silt fence that will go around the Amalyn Bethesda construction site.  Now, they have installed the fence.  Interesting to me is that even though they used a giant saw to cut a narrow slit trench (that was plenty wide for the fence), they went over it again with a small excavator and widened it to about a foot an a half.  Then, they put in the erosion controling sediment/silt fence, put the dirt back, and have now put straw on the ground outside the fence.  This fence is supposed to keep any dirt that the rain washes away contained within the construction site.

When the WMAL radio towers were here they were grounded with copper radiating out from each tower.  I believe these copper straps were what was used. They are buried several inches under the soil and go nearly to the edge of the property.  Many of them have been pulled out and in a couple of places parts of the straps are lying on the ground.

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