soil drain

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soil pipe, soil line

A pipe which conveys the discharge of water closets or fixtures having similar functions, with or without the discharges from other fixtures. Also see cast-iron soil pipe.
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References in periodicals archive ?
It's a good idea to perform a simple test in the location you'll be planting the tree to see how well the soil drains.
Generally sandy soil drains well, so will be far less prone to frost heave than clay soil, which tends to hold onto moisture.
Tenders are invited for Repairs to wall/floor tiles,sanitary fittings and fixtures,plumbing and sanitary lines,open well shafts chambers soil drains vent pipes and conected works of N and S DD at NDV
If your soil drains well, you can just dig to the thickness of the timbers and pour the 3-V4 in.
If your soil drains poorly, you should omit the ridge.
If your soil drains fast and your watering regime suits them, you may find they live longer and can be used for larger areas.