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This European Standard classifies floor gullies for use inside buildings, gives guidance for places of installation and specifies requirements for the construction, design, performance and marking of factory made gullies for buildings, irrespective of the material, for use in drainage systems requiring a trap with a depth of water seal of at least 50 mm (further: floor gullies). Although normally used to convey domestic wastewater, these floor gullies may convey other wastewater, e.g. industrial wastewater, provided there is no risk of damage to components or of injury to health. This European Standard does not apply to: - linear drainage channels as specified in EN 1433, - gully tops and manhole tops which are specified in EN 124, - roof drains and floor gullies without trap as specified in EN 1253 2.