Wednesday, February 26, 2014

Dredging of a 2 acre pond

Dredging of a 2 acre pond


Our association is soon going to have a contractor dredge (vacuum) the muck sentiment from a pond on our property. The process is to vacuum the sentiment into 25'x100' mesh bags. (Mesh so the water drains.) Supposedly the sentiment dries out over 6-8 weeks you cut the bag open spread the sentiment and re-seed it. Great idea, but it doesn't work. The stuff turned to clay like material and we had to have it hauled away which is a costly project. Can anybody help me determine a way to get rid of this sentiment other that trying to dry it out and getting rid of it. I thought about putting this big bag on a flat bed truck but that won't work because of the constant draining of disclored water. I thought about trying to have it pumped into a tanker truck but that won't work either. Were talking about 8-10 big gravel truck types of sentiments to remove. Any ideas will sure be appreciated ??? Thanks. Hi Jb, I'm assuming you have all of the environmental approvals necessary. Just because it is on your property doesn't mean the DEP or other does not have a voice. Been there done that. There are trucks designed to haul sludge, so perhaps remove it directly to their truck and find a better place to dump it. If dumped into an approved impoundment it could simply be left to dry where it is. What's the total volume you expect after drying? Sometimes there are people wanting to fill an area and maybe they would be willing to help out on the transportation. To some people, clay is what they want. Bud The current state of what you are talking about is not clear. You said, Our association is soon going to have a contractor dredge (vacuum) the muck sentiment from a pond and then you said, The stuff turned to clay like material and we had to have it hauled away??? If this has already been done then the person/group responsible for the failed plan would also be responsible to help with the clean-up costs. In our area if this had been done without government approvals as Bud mentioned there could be fines involved, private land or not. Depending on who concocted the plan a lawyer could be a good idea even just for some advice or to write a letter as this could get expensive. The best and most cost effective way to handle sloppy clay is to have a loader move it into a pile so it can drain over time and is how it is normally handled in earth moving projects. Depending on the stability of the ground it might have to be piled in stages so the loader doesn't make more of a mess. Thanks Greg Bud for your replys. We had another pond done last year that is why I know what we experienced. Now we are doing another pond and I'm looking for the best way to get rid of this sentiment, muck, clay like material. By the way it turns into clay after it has dried. I didn't know about trucks designed to haul sloopy type materials. I'll check that out. I don't think it is practical to haul the clay wet because for one thing the truck hauling it will be limited to hauling the weight of the water. Push it into a pile, let it dry and haul it later....cheaper hauling and possibly of some use to someone, in fact ppl in some areas pay for reasonably clean clay. It sounds like you did not have this problem with the other pond. Did the dredger go past the muck layer and into clay when doing this pond? Yes we did have the problem with the other pond. We were told by the dredger that the sentiment muck would dry and you could spread it around.He said it's great stuff, you can spread easily and it's like Miracle Grow. Well it never did dry after 3 months it was like heavy gooey clay. I don't believe the dedger broke through the clay pool bottom. Problem is it cost us $5,500 bucks to have hauled away and another $3,000 to repair the landscaping that got torn up. Anyway, we may just need to hope it drys this time. Just Info.... Were actually doing a well that will put water in the pond then pulling water from the pond into our irrigation set-up to water our lawns. To eliminate our costly city water. Were required to clean-up the pond before we can do what we want to do. Thanks for your responses. When I mucked/dreded part of my pond it dried drained for a few months but it was still pond muck. It took letting it sit for 3 years above water and somewhat aerobic before it became good dirt.








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