As for the sediment removal it will be considered toxic and stored somewhere or buried. I worked on a similar issue where mercury leaked into a office building onsite sewage treatment facility. All of the gravel and sand was trucked off somewhere for storage.
Hoping the boat ramp on four mile is updated to get barges or diggers in there.
Lovely job walking around with a mercury meter and sewage - that goes for leesburg site and four mile.
Sent from my iPhone
On Mar 24, 2022, at 11:30 AM, Andrew Sarcinello <andysarce@gmail.com> wrote:
Any time the Army Corps is involved in flood control it is typically utilitarian, but that is not to say the localities cannot push to incorporate other features such as "meander" and fish habitat. Hopefully they get a chance to put some bonus features in the flood control project.--On Wednesday, March 23, 2022 at 10:52:08 PM UTC-4 Miles wrote:So around fifteen years ago Alexandria and Arlington put together an amazing plan to revitalize 4MR. The drawings are beautiful. They're like those sci-fi movies where the poor people have to live in one place and the rich people live somewhere so much nicer that it's oppressive. The drawings look like the rich place.Eleven years ago I went to a public meeting about how they were ready to get to work. It was pretty exciting: one of the things they said they would do was improve the stream bed, because 4MR had 'lost its meander'. They were going to make a deeper main channel and lots of undercut holes for fish to hide in, that sort of thing. I was looking forward to fishing a totally different 4MR in a few short years.Maybe six years ago or so, they did some of the work, made the pond, but 4MR still looks a lot like 4MR, and not much like the drawings. Still a real strong District 13 vibe. Not that I'm complaining -- I fish there.Arlington says the project is 'complete' (here) but apparently there are still meetings happening and more work is planned to be done. If I'm reading it correctly, it looks like the dredging is to be integrated into the ongoing restoration project.Point being, it's not clear to me whether the dredging will create the 'meander' the Master Plan calls for (with deep holes for fish), or if this is going to be a more utilitarian project strictly for flood control. Much as I hope to see the 'rich place' version of 4MR some day, I'm not holding my breath. But any channel in 4MR would be an improvement.Also, today I learned that the stream that enters at Troy Park is called 'Lower Long Branch'. I did not realize Long Branch Nature Center is on the Upper Long Branch, so I thought maybe they were proposing to dredge from (Upper) Long Branch all the way to the Potomac in six months. This watershed map made it a lot clearer.-MilesOn Tuesday, March 22, 2022 at 5:48:31 PM UTC-4 dlaz...@gmail.com wrote:Andrew S. thank you for the new perspective. Much appreciated.
DanielOn Tue, Mar 22, 2022 at 12:14 PM Andrew Sarcinello <andy...@gmail.com> wrote:While it is not my specialty I have had a small role in developing 2 or 3 dredging plans at my job. My guess is the proper disposal of the dredged material costs just as much as the dredging itself. There are likely pollutants within the dredged material that require special considerations for storage so as to not leach back into the environment - it's only a theory since I have no direct knowledge of this project, but if true it would drive the cost up pretty quickly.--On Sunday, March 20, 2022 at 5:10:55 PM UTC-4 dlaz...@gmail.com wrote:If those yellow circles represent the dredging area, it doesn't look like we are getting very much for our $5 million dollars.
DanielOn Fri, Mar 18, 2022 at 11:34 AM 'Jeff Cook' via Tidal Potomac Fly Rodders <tidal-potoma...@googlegroups.com> wrote:Public meeting in May…https://www.arlnow.com/2022/03/17/four-mile-run-to-be-dredged-in-5m-project-to-alleviate-potential-flooding/?fbclid=IwAR38Bt9wxMRuCbN7CNr2SxFa0mIapT9wDCOipzicG0pUC1TtfAHkDEronIwFour Mile Run to be dredged in $5M project to alleviate potential flooding
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