Specification for plastics pipes and fittings for use as subsoil field drains Ingestion-build-46800 Those manufacturing spheroidal graphite case

Those manufacturing spheroidal graphite case iron

The template defines the layout and general contents

permanent works designers and temporary works designers should adopt have been added

ISO 17702 on testing water resistance for uppers is useful for:

Specification for plastics pipes and fittings for use as subsoil field drains Ingestion-build-46800 Those manufacturing spheroidal graphite case1 Scope This British Standard specifies requirements for the construction, dimensions, materials and performance of plastics pipes of up to 400 mm nominal outside diameter, with or without perforations, and for any associated fittings for normal field drainage. No restrictions are placed on the type of plastics material to be used. Methods of test, associated guidance and information on quality control testing are given in appendices. NOTE The titles