The surface drainage system is essentially a network of shallow channels and buried in a small 30 50 cm depth of pipes that drain water from the surface of the soil into the storm sewer and in its absence into the roadway the river on a low relief or in a special well.
Surface water drainage ideas.
The alteration is intended to deflect surface water as with ditches or pipes and the alteration discharges more water or directs drainage in a way different from the natural drainage.
The landowner alters the natural drainage carelessly or negligently.
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Homesites with clay soils suffer problems with lingering surface water.
Finally if water is being retained in addition to the ground because of subsurface rock which will not permit the water to drain heavier equipment will be asked to excavate the drainage trenches.
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The alteration of the natural drainage is unnecessary or isn t for a reasonable purpose.
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