This product is best understood by examining an unexplained suggested use. And recognizing that NDS wants to make a profit means that it is not in their best interest to inform you of these assumptions. This does not mean that they are selling faulty goods. That means they didn't spend a lot of time getting the setup to sound and teaching you what they know. He has some problems. It doesn't hold together well when moved roughly during installation, and the panel is difficult to install if the sections aren't even and level. A dry well does not need soil, it needs to distribute water. If the water does not evaporate, the lack of a bottom is also an advantage, since water can easily seep into the dried-up well cavity from below. This is a better solution than a traditional dry well that is dug into the ground and filled with gravel, as long as you understand that a plastic dry well alone cannot prevent the earth from collapsing around it. Because of this, they described layers of drainage rock and tissue between it and the earthen ramparts that support the walls. NDS assumes that you have determined that your soil is going to drain. Obviously how. You need to determine if the soil at the dry well location can drain water. The only way to tell is to dig a hole deep enough for the proposed dry well and see the following: 1. The test hole fills with water. 2. If there is no water in the test hole, add water and see how long it takes to evaporate from the hole. If the surrounding soil draws water from the hole, the NDS installation compliance will most likely work. They have a number of parameters that you need to check for dry well size on their website, which I recommend you check. If not, a dry well may serve as a sump reservoir better than a traditional sump basin. Because a dry well has no bottom, using it allows you to install a drainage pump without the extra effort required to get water into the dry well. You only need a rigid tile to support the pump. In this case, there is no need to cut holes in the drying shaft or install a filter cloth. With no bottom and the existing gaps in the sections of the dry well, when connected, allow water to seep into the cavity of the dry well. If the soil doesn't drain the water, this product is still cheaper than a plastic sump tank. And if a sump tank is used instead, not only does it cost more, but you have to drill holes in it for water to get in, and it can't just be expanded by adding more sections if you're over 34 inches lower. Class. However, you need to define how the drain pump tube will exit the top of the lid, which is not well thought out in the existing lid design but is possible. This application is particularly effective when a dry well needs to be created in clayey soil. Clay does not drain water, but will not collapse if a dry well is installed. This means the dry well hole shouldn't be much larger than the dry well, and certainly not the four feet they recommend. And since the water does not run off, no filter cloth is needed. The downside is that you need a drain pump. My application simply involves digging a hole for a dry well that is cut into the existing flow patterns in the clay layer located at the depth of the dry well. The hole I had to dig was naturally filled with water due to the negative pressure created by the hole. When I found that the hole I dug was leaking water and not draining, a dry fountain became a better choice than a pool with a drain pump because it's easier to install, cheaper, and stackable since my last hole was about 6 was feet underground. As per my testimony, I had to dig 5 feet underground to collect the water that filled the patio, which was below the surface of the earth to which it abutted (the single dry well is only 24 inches high, the lid adds more 4 inches added, which is useless). A dry well will let much more water through than a gravel-filled pit if you know the pit will not collapse under the weight of the earth around the dry well. However, remember that unless the water is flowing out of the hole into the surrounding water faster than the water is entering the hole, you must incorporate a drain pump into your design. The three sections of a dry well do not stay together. Well, except that you are careful with it once installed. This is because the alignment between the hooks and slots in each section is not beveled to lock up after installation. Each move up unlocks the sections. Just make sure the ground that the three sections are resting on is fairly level and that you place the assembled dry box sections carefully. Yes they could add at least one screw between the three sections but that would increase their cost. And they listen no better than any other company. Since all 3 sections are the same, the plastic mold will be used for all 3 sections. This reduces manufacturing costs. That's why it's cheaper than other products, but it's still overpriced considering how much their cost to produce is. And how much would it cost to add room for at least one screw between each section? This would require a template redesign and someone would need to convince the CEO who is looking at costs versus improvements. So forget about the improvement. Last comment. If you need to extend the block calibration upwards, e.g. For example, in a staged application, it is still cheaper to buy two sets of dry-wells than one set of dry-wells with lids and then three additional dry-wells without lids. I've noticed that buying a 3 piece kit with no lid is typically over $120 while buying a 3 piece kit with a lid is around $89.
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