Rural rail project aided by Polypipe perforated pipework Polypipe supplied the ideal drainage solution to the Drumshinnoch Cutting near Thornhill, Dumfries and Galloway. The problem of localised slipping of the cutting bank had arisen as a result of saturated ground and a blockage of the field drainage system. In order to maintain the stability of the cutting and supporting soil, the design consisted of a new network of crest drainage

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