Gully tops and manhole tops for vehicular and pedestrian areas. Design requirements, type testing, marking, quality control Ingestion-build-242630 BS EN ISO 8185:2009 Respiratory

BS EN ISO 8185:2009 Respiratory tract humidifiers for medical use

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4 OH&S management system elements

Gully tops and manhole tops for vehicular and pedestrian areas. Design requirements, type testing, marking, quality control Ingestion-build-242630 BS EN ISO 8185:2009 RespiratoryThis European Standard applies to gully tops and manhole tops with a clear opening up to and including 1000 mm, for installation within areas subjected to pedestrian and or vehicular traffic. This European Standard does not apply to surface boxes or to floor and roof gullies in buildings which are specified in BS EN 1253. The purpose of this standard is to establish definitions, classes, materials, design and testing requirements, marking and quality