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Concrete is another issue for a Civil Engineer, but in smaller applications it may be better to just call a knowledgable contractor first and see if they can solve the problem.


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Your pictures appear to show a steeply sloped section with erosion, a flat section, and another sloped section (without erosion.) If the flat section resulted from poor compaction of an original sloped profile that did not have the flat part, you may be able to simply fill that back in so the slope is not as steep. If you want to keep it in mown grass, that ...


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To clarify: about your statement that the catch basin should be for storm drains... yes- storm drains can use catch basins. But I'm pretty sure that in this case the sink water is draining into the city sewer. This was a regular design in Chicago, but I don't think it's common in the rest of the US. I think it's safe to say that the design is not popular ...


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The point of that system was convenience. Plumbing was expensive and time-consuming 100 years ago. Whether it's common depends on the neighborhood and the city, of course. Whether it's acceptable now depends on your local ordinances. Most "gray water" is required to pass through an approved septic system. I'm surprised that local code doesn't require an ...


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The drain configuration depends on the direction and degree of slope. Yeah, you might need to work around it, unless the patio is positioned on the upward slope, on the side of the yard opposite the outlet(s). Below is a picture depicting where a french drain could be located with respect to a patio and slope. Also, I am assuming the patio is solid concrete ...


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Obviously, the soil needs to be graded away from the house (in the back yard). If that means you need a retaining wall, then you need a retaining wall. Regarding the swale, improved drainage sounds helpful. The real question is, why isn't water shedding (what is the real issue)? I've had swale issues, and the problem in those cases, was not with my swale, ...


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All you need is a trap on both paths like the one you have coming from the dishwasher/washing machine The trap fills with water and stops draughts although in excessively windy conditions its still possible for very strong winds to force their way through a water trap but normally there wont be enough pressure I wouldn't personally suggest swapping the ...


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While I agree that this was assembled backwards I think the apparent lack of a vent is acceptable here. It looks like it basically goes through the wall and then into that box outside--so long as it's close enough to the sink that would suffice for venting.


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Unless you have reason to believe that the sump output is contaminated, and assuming that you have legal access to the pond, this is a perfectly viable solution. In fact, even if the pond does eventually (or occasionally) drain into a stream, the natural filtering effect of the process should remain somewhat intact. As Tester101 points out, local and state ...


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You don't have a trap seal, to prevent air from moving through the drain. Only the dishwasher is draining through the trap, so there's no trap to prevent air from coming up the drain. you'll have to fix the plumbing, so that both the sink and dishwasher use the trap. Instead, the plumbing should look more like this... Use a tailpiece like this, off ...


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An easy test would be to cut a panel out of some junk styrofoam, that would go under the black grate, and block up but not tightly seal, the tub that the white pipes drop into. It's free and easy to work with, and if such a block cuts down on the wind problem, you can then make something more permanent and better looking.


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Most drains (in the US) vent thru a vertical pipe which prevents sewer gas from accumulating in the structure (home,apartment,etc) Part of that system should include a trap (usually a J or S shaped piece of pipe which holds a small quantity of water which prevent air or gasses from passing back into the room from the sink or toilet. If that trap was not ...


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You could put a cover over the drain box but when you do so it has to allow for free air flow so the isolation afforded by that air gap drain box still functions properly. If I was making the cover it would have a baffle design with a double wall construction. See figure below: The inner wall of the baffle cover would sit on the ground or maybe even set ...



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