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Do you want to use a squat pit?
If you use the toilet, it is not recommended to move, it is very easy to block.
If you are using a squatting pit, it is best to be within one meter, and the sewage pipe can be tilted. The sewage pipe should be at least 50 size.
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The sewage pipe needs to have a slope, the shorter the better.
About 1 meter is no problem. If it's 2 meters, it's better to have a slope.
From the appearance, the work is good, clean and neat, and the pipe fittings are also standard, there is no problem.
The slope must be graded, and the height difference between the inlet and the outlet of 12 meters must be at least 5 10 cm!
It is best to have the lower outlet of the toilet in the middle of the drain.
If you want a PVC100 pipe below, you can use a siphon toilet, as long as the tiled pipe below has a slope, it will not be blocked, and if you choose a straight flush toilet, you need to do a P bend under it.