drain
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drain
Also called: house drain, property sewer, agricultural pipe drain
HB50
line of pipes above or below ground level within the property boundary, including all fittings and equipment generally external to a building, intended to convey, under gravity, sewage or trade waste
HB50
<sanitary> underground pipe system to carry away sewage including trade wastes from a building to the sewer connection point on a property
HB50
<agricultural> drain constructed with agricultural pipes to collect and discharge groundwater