FIELD: building, particularly for laying pipelines.
SUBSTANCE: method for laying flexible pipelines of water-supply, sewage or horizontal closed drainage systems involves excavating trench; laying above pipeline and back filling trench with ground. Trench is excavated simultaneously with providing longitudinal groove in one vertical trench wall at bottom level thereof in which said pipeline is located.
EFFECT: prevention of flexible pipeline deformation during its laying on trench bottom.
2 dwg
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