Pedestrian doorsets and door frames made from steel sheet. Specification Ingestion-build-50790 Tractors of special types

Tractors of special types

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The BS ISO/IEC 20000 series enables service providers to understand how to enhance the quality of service delivered to their customers

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Pedestrian doorsets and door frames made from steel sheet. Specification Ingestion-build-50790 Tractors of special types1 Scope This British Standard specifies requirements for the design, fabrication and performance of pedestrian doorsets with leaves manufactured from steel skins with a minimum thickness of 1. 0 mm, where all surfaces are steel and the edges are steel and mechanically fixed. It applies to doors whose leaves are infilled with materials of either recycled cardboard honeycomb or mineral wool. It covers both complete doorsets, and door frames that could