BS EN ISO 14122-4 PDF

This second edition cancels and replaces the first edition (ISO ), which has been technically revised. It also incorporates the Amendment ISO. Annex A of BS EN ISO provides examples of changes that can be BS EN ISO Safety of machinery – Permanent means of access to. Procter Machine Guarding has published a new White Paper that explains the requirements laid down in the edition of BS EN ISO

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Clause 4 enn the General requirements ido stairs, stepladders and guard-rails, including the loadings to be used in strength and deflection calculations when designing these structures. As with guards, when considering means of access the first approach should be to design-out the risks. However, it is almost inevitable that Part 3 will also be required, because this covers the guard-rails that are usually necessary with platforms and walkways.

While not mandatory, it is highly recommended that the relevant parts of the standard are referred to, whether the intention is to use custom-designed or modular access systems manufactured from steel, stainless steel, aluminium or another material. You may experience issues viewing this site in Internet Explorer 9, 10 or This is Part 4 in a series of four international standards which define general requirements for safe access to machinery. It may seem strange that permanent means of access to machinery are related to machine guarding but, in fact, they are.

For example, rather than require an access point so that lubrication points can be reached, lubrication points should be made accessible from ground level or a lubrication circuit and pump could be installed.

White Paper explains machinery safety standards BS EN ISO – Procter Machine Safety

BS EN ISO part 1 covers the choice of fixed means io access and the general requirements, while part 2 relates to working platforms and walkways, part 3 is stairs, stepladders and guard-rails, and part 4 addresses fixed ladders. Who is this standard for? Some leeway is provided for designers, as shown by this example from ido 5.

Accept and continue Learn more about the cookies we use and how to change your settings. Where there are hazards not covered by the standard, such as moving parts of machinery, extreme temperatures or hazards caused by the environment, the standard says that these should be considered and addressed by, for example, preventing unauthorised access.

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Furthermore, three-point contact 1422-4 to be maintained except for very brief periods eg starting a screwheavy objects should not be carried, leaning ladders should be secured and, if stepladders are used 114122-4 side loads are imposed, then the stepladder should be secured.

As well as providing requirements for guard-rails on platforms, stairs and stepladders, Clause 7 also gives details for toe plates, self-closing gates and mezzanine gates. The four parts are all B-Type standards, meaning they deal with specific aspects of machinery safety and can be applied to a wide range of categories of machinery.

Interestingly, a pragmatic approach is adopted, with several exceptions allowed under particular circumstances. Clause 5Specific requirements of ladder systemsprovides extensive information relating to ladder design, including the profiles and dimensions of rungs round rungs are not permitted. Annex ARequirements for the design of anti-climb devices, is normative and should, therefore, 14122- complied with often an Annex to a standard is informative only.

The four parts are, in full:. Clause 4Selection and design of ladder systems, provides some of the information required by 141222-4 designer, but more is contained in Clause 5.

Procter Machine Guarding offers free Machine Guarding Compliance Surveys of standalone machinery and assemblies of machines, old or new, and can also assess permanent means of access. If the designer chooses to verify the safety requirements by calculation, the information relating to the test methods must be taken into account so that the two oso methods are comparable.

In other words, when designing and specifying means of access, consideration should be given to preventing unauthorised access. The clause goes on to provide details of how to eb guard-rails and the steps kso a stair. Hs a new machine that is being CE marked to the Machinery Directiveworking to the standard gives a presumption of conformity to the relevant EHSRs; without the standard, it is necessary to demonstrate that the EHSRs have been fulfilled by some other means.

For testing stepladders, the reader is referred to ENLadders. It specifies minimum requirements that also apply when the same means of access is required as the part of the building or civil construction e. Anyone responsible for specifying or 14212-4 machines or permanent means of access, including building or civil constructions where the main function is to provide access to a machine or process, should download or request a copy of the new White Paper.

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However, see Clause 6 below. It will, therefore, help readers to understand and interpret the machinery access standard, whether they are new to designing permanent means of access or have designed them before but using the previous edition of the standard.

Please contact me Request a quote Request a risk assessment Send me a brochure. Earlier this White Paper mentioned the need to prevent unauthorised access.

Clause 6, Verification of safety requirementsappears to contradict subclause 5. Machine manufacturers small, medium and large 1122-4 Health and safety bodies regulators, accident prevention organizations, market surveillance, etc.

BS EN ISO 14122-4:2016

Annex A relates to methods for determining slip resistance and starts by stating that no international standard currently exists. However, the same subclause states that the minimum height of the guard-rail shall be mm, so it appears that the former may be a typographical error and the height of the handrail should be greater than or equal to mm.

Free Ergonomics Guidance European Commission publication Guidance on the application of the essential health and safety requirements on ergonomics. Click to learn more. Their predecessors cease to provide a presumption of conformity to the relevant essential health and safety requirements of the Machinery Directive on 31 December Take the smart route to manage medical device compliance.

However, great care should be taken with ribbed ramps, bearing in mind that subclause 4. We use cookies to make our website easier to use and to better understand your needs.

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You may find similar items within these categories by selecting from the choices below:. Learn more about the cookies we use and how to change your settings. Annex B lists the significant technical changes between ISO

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