Equipment used in the controlled removal of asbestos-containing materials - Negative pressure units. Specification Ingestion-build-134498 and to suppliers preparing parts

and to suppliers preparing parts list on behalf of network users

This European Standard specifies the requirements for equipment used in alarm transmission systems utilizing dedicated alarm transmission paths

a part of the BS EN 485 series

5 Selecting tools and approaches

ForewordScope

Equipment used in the controlled removal of asbestos-containing materials - Negative pressure units. Specification Ingestion-build-134498 and to suppliers preparing partsBS 8520 2: 2009 Equipment used in the controlled removal of asbestos containing materials. Negative pressure units. Specification BS 8520 2 provides negative pressure unit (NPU) manufacturers with a minimum specification for the manufacture of NPUs. Although the manufacture of NPUs has previously met the expectations of the asbestos removal industry, no specifications or specific guidance existed. It was therefore felt that there was a need to provide