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Drainage & Piped Services Standard Specification
Version 2014-1
Sizes (nominal): DN 110;
DN 150;
DN 225;
and DN 300.
Integral accessories:
Vitrified clay plain wall below ground drainage pipelines for flexible jointing type B
Manufacturer: Hepworth/Wavin Ltd
Material and standard: Vitrified clay to BS EN 295-1.
Third party certification: BSI Kitemark certified.
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McDonalds Restaurants Ltd
