Source: https://cablesafe.com/dropped-objects-prevention/self-closing-safety-gates/safety-gates-iso-14122-32016/
Timestamp: 2018-09-22 06:55:09
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Safety-gates-iso-14122-32016/ - CableSafe
Safety-gates-iso-14122-32016/
Technical Committee: ISO/TC 199
Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 14122 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 14122-3 was prepared by the European Committee for Standardization (CEN) in collaboration with ISO Technical Committee TC 199, Safety of machinery, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
Throughout the text of this standard, read “…this European Standard…” to mean “…this International Standard…”.
ISO 14122 consists of the following parts, under the general title Safety of machinery – Permanent means of access to machinery:
—Part 1: Choice of fixed means of access between two levels
—Part 2: Working platforms and walkways
—Part 3: Stairs, stepladders and guard-rails
—Part 4: Fixed ladders
For the purposes of this part of ISO 14122, the CEN annex regarding fulfilment of European Council Directives has been removed.
The text of EN ISO 14122-3:2001 has been prepared by Technical Committee CEN/TC 114 “Safety of machinery”, the secretariat of which is held by DIN, in collaboration with Technical Committee ISO/TC 199 “Safety of machinery”.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2001, and conflicting national standards shall be withdrawn at the latest by October 2001.
It is the third part of this document “Safety of machinery – Permanent means of access to machinery”. The parts of the standard are:
Part 1: Choice of a fixed means of access between two levels
Part 3: Stairs, step ladders and guard-rails
Part 4: Fixed ladders.
This document is a type B standard as stated in EN 1070.
This standard is to be read in conjunction with clause 1.6.2 “Access to operating position and servicing points” and 1.5.15 “Risk of slipping, tripping or falling” of the essential safety requirements expressed in annex A of EN 292-2:1991/A1:1995. See also 6.2.4 “Provision for safe access to machinery” of EN 292-2:1991.
The provisions of this document may be supplemented or modified by a type C standard.
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 purpose of this standard is to define the general requirements for safe access to machines mentioned in EN 292-2. Part 1 of EN ISO 14122 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.
The dimensions specified are consistent with established ergonomic data given in EN 547-3 “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.) does not alter the application of the present standard.
This standard contains a Bibliography.
This standard applies to stairs, step ladders and guard-rails which are a part of a machine.
This standard 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.
This standard applies also to stairs, step ladders and guard-rails specific to the machine which are not permanently fixed to the machine and which may be removed or moved to the side for some operations of the machine (e.g. changing tools in a large press).
For the significant hazards covered by this standard, see clause 4 of EN ISO 14122 -1.
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO 14122. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 14122 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.
EN 292—1 (ISO/TR 12100-1), Safety of machinery — Basic concepts, general principles for design — Part 1 : Basic terminology, methodology
EN 292-2:1991 + A1 (ISO/TR 12100-2), Safety of machinery — Basic concepts, general principles for design — Part 2 : Technical principles and specifications
EN 1070, Safety of machinery — Terminology
EN ISO 14122-1:2001, Safety of machinery — Permanents means of access to machinery — Part 1 : Choice of fixed means of access between two levels
For the purposes of this part of EN ISO 14122, the terms and definitions stated in EN 1070 “Safety of machinery – Terminology” and of EN ISO 14122-1 apply.
The following additional definitions particularly required for this standard apply :
stairs and step ladders
the definitions stated in 3.2 and 3.3 of EN ISO 14122-1:2001 are completed by:
Succession of horizontal levels (steps or landings) allowing passage on foot from one level to another composed of the following elements, shown in figure 1 and explained from 3.1.1 to 3.1.16.
Figure 1 — Parts of stairs and step ladders
H Climbing height
e Headroom
h Rise
l Length of landing
r Overlap
α Angle of pitch
p Pitch line
t Depth of step
vertical distance between the reference level and the landing (H in figure 1)
uninterrupted sequence of steps between two landings
horizontal distance between the step nosing of two consecutive steps (g in figure 1)
minimum vertical distance, clear of all obstacles (such as beams, ducts, etc.) above the pitch line (e in figure 1)
horizontal resting area situated at the end of a flight (l in figure 1).
theoretical line indicating the average path of the users of the stair or the step ladder
difference between the depth of the step and the going (r in figure 1)
a notional line connecting the leading edge of the nosing of successive steps taken on the walking line and which extends down to the landing at the bottom of the flight from the nosing on the landing at the top of the flight (p in figure 1)
angle of pitch of the stair or step ladder
angle between the pitch line and its projection on the horizontal level (α in figure 1)
height between two consecutive steps measured from the tread surface of one to the tread surface of the next (h in figure 1)
horizontal surface on which one places the foot to go up or down the stair or step ladder
top edge at the front of the step or landing
flanking framework element supporting the steps
clear distance over the outside faces of the step (w in figure 1)
clear distance from the leading edge or the nosing to the rear of the step (t in figure 1)
absolute minimum clear distance between any obstacle and the pitch line (c in figure 1) measured at an angle of 90° from the pitch line
device for protection against accidental fall or accidental access to a hazardous area, with which stairs, step ladders or landings, platforms and walkways may be equipped. Typical parts of a guard-rail are shown in figure 2 and defined in 3.2.1 to 3.2.
Figure 2 — Example of the parts of a typical structure of a guard-rail
2 Kneerail
3 Toe plate
5 Walking level
top element designed to be grasped by the hand for body support which can be used individually or as the upper part of a guard-rail (1 in figure 2)
element of the guard-rail placed parallel with the handrail, giving extra protection against the passage of a body (2 in figure 2)
vertical structural element of the guard-rail to anchor the guard-rail to the platform or stair. (4 in figure 2)
toe-plate
solid lower part of a guard-rail or upstand on a landing to prevent the fall of objects from a floor level (3 in figure 2)
Note 1 to entry: A toe-plate also reduces the free space between the floor and kneerail to prevent the passage of a body.
part of the guard-rail which is intended to be opened easily. When the gate is released, it will close automatically using e.g. the effect of gravity or a spring
EN 131-2:19931 Ladders — Requirements, Tests, Markings
EN 294 (ISO 12852) Safety of machinery — Safety distances to prevent danger zones being reached by the upper limbs
EN 349 (ISO 13854) Safety of machinery — Minimum gaps to avoid crushing of parts of the human body
EN 353-1 Personal protective equipment against falls from a height — Guided type fall arresters on a rigid anchorage line
EN 547-1 Safety of machinery — Human body dimensions — Part 1 : Principles for determining the dimensions required for openings for whole body access into machinery
EN 547-2 Safety of machinery — Human body dimensions — Part 2 : Principles for determining the dimensions required for access openings
EN 547-3 Safety of machinery — Human body dimensions — Part 3 : Anthropometric data
EN 795 Protection against falls from a height — Anchorage devices — Requirements and testing
EN 811 (ISO 13853) Safety of machinery — Safety distances to prevent danger zones being reached by the lower limbs
EN 1050 (ISO 14121) Safety of machinery — Principles for risk assessment
EN ISO 14122-2 Safety of machinery — Permanent means of access to machinery — Part 2 : Working platforms and walkways
prEN ISO 14122-4:1996 Safety of machinery — Permanent means of access to machinery — Part 4 : Fixed ladders
Reference: https://www.iso.org/obp/ui/#iso:std:iso:14122:-3:ed-1:v1:en