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But, if this distance is exceeded, specific attention shall be paid to the stanchion anchoring strength and the fixing devices. Dimensions in milimetres 75 min. If there is a larger opening, a self losing gate shall be used 7. Where access through the guard rail is required, a self-closing gate shall be used. Gates shall be subject fo the same loading criteria as guardrails. If the stair width is greater or equal to mm, there shall be two handrails.
Step ladders shall always have two handrails. The vertical height of the handrail on a stair shall be between mm and mm above the nosing on the step of the flight and be a minimum of mm above the walking level on the landing. In general, if it is anticipated that regular access will be required for machine operation, cleaning or maintenance, then a permanent means of access should be given due consideration see also Clause 5 below.
Furthermore, a permanent means of access can prove to be very cost-effective compared with the cost of erecting scaffolding on multiple occasions. Clause 5 lists the general requirements for design and construction of means of access.
Note that subclause 6. References are made to other subclauses that help in determining which type of access should be selected, but the point to note is that there must be good reasons for using any means of access other than those listed higher up the hierarchy.
Following on from the above, subclause 6. Annex A gives examples of changes that can be made to the machine or system to make better access possible. Annex B lists the significant technical changes between ISO and the previous edition, which will be helpful to readers who have been working to the earlier edition.
Stairs, stepladders and guard-rails ISO We need your help to maintenance this website. Required These cookies are essential for the operation of the site and enable, for example, security-relevant functions. Confirm selection Select all. All four parts of ISO are Type-B standards and are therefore potentially applicable to all types of machinery — though, as the White Paper explains, Part 1 must be used in conjunction with at least one of Parts 2, 3 or 4.
It is intended to give guidance for designers concerned with industrial buildings, plant and installations, including refineries. The start and finish of text introduced or altered by Amendment No. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 19 and a back cover. The BSI copyright displayed in this document indicates when the document was last issued.
The design characteristics should be uniform in any given installation. Table 1 — Factors affecting choice of means of access or escape Factor to be considered Remarks Height of building or storey height Height governs number of flights see 5.
Where loads are being carried regularly, stairs should be used rather than ladders Number of people The number of people governs the size and the loading see 8. Where two or more materials are used, they should be compatible, e. The maximum number of risers in a single flight should be 16, for straight stairs, or 22, for helical and spiral stairs. Landings at the head of a stair should be designed so that it is not possible to step from a platform or walkway onto the stair without a change in direction.
Typical industrial stairs are shown in Figure 2. The relationship between rise and going for a stair should not change along the walking line, subject to the same tolerances. See also 6. NOTE 1 For machines which are covered by the scope of a type C standard and which have been designed and built according to the provisions of that standard, the provisions of that type C standard take precedence over the provisions of this type B standard.
The dimensions specified are consistent with established ergonomic data given in EN "Safety of machinery - Human body dimensions — Part 3 : Anthropometric data".
NOTE 2 The use of materials other than metals composite materials, so-called "advanced" materials, etc. Annex ZA is for information only. Part 1 of EN ISO gives advice about the correct choice of access means when the necessary access to the machine is not possible directly from the ground level or from a floor. This part of EN ISO applies to all machinery stationary and mobile where fixed means of access are necessary.
This part of EN ISO applies to stairs, step ladders and guard-rails which are a part of a machine. This part of EN ISO may also apply to stairs, step ladders and guard-rails to that part of the building where the machine is installed, providing the main function of that part of the building is to provide a means of access to the machine.
In those cases the possible relevant national or other regulations should be taken into account. Specification for glass reinforced plastics open bar gratings. Specification for expanded metal grating panels. Specification for cold formed planks. There's a problem loading this menu right now.
Learn more about Scribd Membership Home. Read free for days Sign In. Much more than documents. Discover everything Scribd has to offer, including books and audiobooks from major publishers. Start En iso 14122 3 free download Trial Cancel anytime. ISO Uploaded by usotapioca. Date uploaded Mar 01, Did you find this document useful? En iso 14122 3 free download this content inappropriate? Report this Document. Description: ENG. Flag for Inappropriate Content. Download Now. Related titles. Carousel Previous Carousel Next. ISO April 24, | Author: usotapioca | Category: N/A. DOWNLOAD PDF - MB. Share Embed Donate. Report this link. BS EN ISO Safety of machinery – Permanent means of access to machinery – Part 3: Stairs, stepladders and guard-rails; BS EN ISO ​. Part 3: Stairs, stepladders and guard-rails. Sécurité des machines — Moyens d'​accès ISO. Second edition. Reference number Note 2 to entry: A toe-plate also reduces the free space between the floor and knee rail. Download ISO Free in pdf format. Account Login · Register. Search. Search. This is a free 15 page sample. Access the full version online. Page 2. I.S. EN ISO BS EN ISO Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails; BS EN ISO. ISO - Free download as PDF File .pdf) or read online for free. ENG. Printed Edition + PDF; Immediate download; $; Add to Cart BS EN ISO gives requirements for non-powered stairs. Download CEM4 free Trial 30 days EN ISO Safety of machinery Permanent means of access to machinery Part 3: Stairs. Part 3: Stairs, stepladders and guard-rails (ISO ) Printed Edition + PDF; Immediate download; $; Add to Cart. These cookies will be stored in your browser only with your consent. Necessary Always Enabled. One issue that is not addressed particularly enn in the standard is the question of under what circumstances a permanent means of access is required, though an ISO risk assessment will help. Please download Chrome or Firefox or view our browser tips. 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. Safety of machinery — Permanent means of access to machinery —. Clause 6, Verification of safety requirements , appears to contradict subclause 5. ISO gives requirements for non-powered stairs, stepladders and guard-rails which are a part of a stationary machine, and to the non-powered adjustable parts e. For a new machine that is being CE marked 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. A final point to note is that ISO Part 5 is in preparation, which will deal with permanent means of access on mobile machinery. Note that subclause 6. Furthermore, the standard applies to parts of the building or civil construction if the main function of these is to provide access to the machine.
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[PDF] ISO - Free Download PDFBS EN ISO 14122 download: free White Paper on machinery accessSecure PDF Files