BS EN 13819-2:2020 pdf free.Hearing protectors - Testing,Acoustic test methods. BS EN 13819-2 This document specifies acoustic test methods for hearing protectors. The purpose of these tests is to enable assessment of the performance of the hearing protector as specified in the appropriate product standard.The following documents are referred to in the text in such a way that some or...
BS EN 15004-4:2020 pdf free
BS EN 15004-4:2020 pdf free.Fixed firefighting systems一Gas extinguishing systems,Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant. BS EN 15004-4 This document specifies requirements for gaseous fire-extinguishing systems, with respect to the HFC 125 extinguishant. It includes details of physical properties, specification, usage and safety aspects.This document is applicable for systems operating at nominal pressures of...
BS EN 352-9:2020 pdf free
BS EN 352-9:2020 pdf free.Hearing protectors一Safety requirements,Earplugs with safety-related audio input. BS EN 352-9 This document is applicable to earplugs supplemented by a safety-related audio input. The audio signal can be transmitted by electrical input or other communication like Bluetooth1. It specifies requirements on construction, design, performance, marking and user information related to the inclusion of the safety-related audio input.Earplugs...
BS EN 10372:2020 pdf free
BS EN 10372:2020 pdf free.Quality tracking system for flat steel products using barcode一Printing,reading and information processing. BS EN 10372 This document specifies a method using a barcoding system for tracing isolated defects that can be present in the following kinds of coated or uncoated steel flat products, for example:一electro-galvanised surface;一galvanised surface;一galvannealed surface; 一cold rolled surface. This method, named "quality tracking",...
BS EN 12312-7:2020 pdf free
BS EN 12312-7:2020 pdf free.Aircraft ground support equipment-Specific requirements,Aircraft movement equipment. BS EN 12312-7 This document specifies the technical requirements to minimize the hazards listed in Clause 4 which can arise during the commissioning, operation and maintenance of aircraft movement equipment when used as intended, including misuse reasonably foreseeable by the manufacturer, when carried out in accordance with the specifications...
BS EN 4707:2020 pdf free
BS EN 4707:2020 pdf free.Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium. BS EN 4707 This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.2 Normative references There are no normative references in this document.3 Terms and definitions No terms and definitions are listed in this document. ISO and IEC...
BS 8468-7:2020 pdf free
BS 8468-7:2020 pdf free.Respiratory protective devices for use against chemical, biological, radiological and nuclear , CBRN) agents,Closed-circuit breathing apparatus一Specification. BS 8468-7 This British Standard specifies requirements for closed-circuit breathing apparatus (CCBA) intended to be used during fire-fighting, rescue, evacuation, escape, hazard containment and decontamination,and similar activities by emergency responders (e.g. fire, ambulance, police, and associated civilian agencies and workers) in...
BS 8000-3:2020 pdf free
BS 8000-3:2020 pdf free.Workmanship on construction sites,Masonry一Code of practice. BS 8000-3 This part of BS 8000 gives recommendations for workmanship in the construction of brick, block and stone masonry.This part of BS 8000 has been drafted in accordance with the recommendations in BS 8000-0.NOTE 1 The general principles of workmanship on construction sites are given in BS 8000-0 This part...
BS 5481-1:2020 pdf free
BS 5481-1:2020 pdf free.Design of road lighting,Lighting of roads and public amenity areas一Code of practice. BS 5481-1 This part of BS 5489 gives recommendations on the general principles of road lighting and its aesthetic and technical aspects, and provides guidance on operation and maintenance. It also provides guidance on means of minimizing energy consumption and limiting the impact on the...
BS EN 17092-3:2020 pdf free
BS EN 17092-3:2020 pdf free.Protective garments for motorcycle riders,Class AA garments - Requirements. BS EN 17092-3 Dimensional stability shall be assessed on the whole garment according to EN ISO 5077:2008. The sample shall be submitted to washing according to EN ISO 13688:2013, 5.2. The variation shall not exceed 5%.Assessment of dimensional stability is not required where only surface cleaning treatments,...