subsystems selected from those conforming to the other parts of ISO and to ISO , where it is both important and desirable to ascertain satisfactory. Find the most up-to-date version of ISO at Engineering ISO Personal protective equipment for protection against falls from a height – Single-point anchor devices.
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Workers who have to carry out tasks at height are exposed to some of the most significant risks for any industry. It should come as no surprise that standards bodies and safety authorities highly regulate the work methods of such workers and the safety equipment they use. The standard comprises four parts:.
While these standards are comprehensive, they do not cover fixed-anchor points or temporary anchor points tripods and davits – the structurally sound point which has been selected to take the forces generated by arresting any fall.
While Australia boasts the highest standard for fall-arrest equipment, one of the most critical components of any fall-arrest system – anchor points – is not covered by the standard. The lack of such an anchor-point standard has led to many inconsistencies in the design, testing and compliance of such devices.
In the interest of operator safety, this omission needs to be remedied quickly. I believe there is a simple and fast remedy that would provide an excellent solution with relatively speedy implementation. ISO was issued in – some 11 years ago. The standard defines four basic types of standard as follows:. The design and testing criteria for the specified types of anchors are well defined in the ISO standard and cover both static and dynamic testing.
For design testing under ISOall anchors must pass a static test under a load of 12 kN for three minutes in each direction of which the fall-arrest force could occur.
The anchor may bend, but must show no sign of failure. The standard also defines the methods of dynamically testing anchors with a load of kg freefalling a distance of 2. To pass this test, the load must be fully arrested. The test must be repeated for each direction of which the fall arrest force could occur. This is also a requirement for recertification.
ISO is a comprehensive standard that addresses the various types of single-user anchor points and, in particular, provides a comprehensive testing criterion for each type of anchor point.
The application of static and dynamic tests is commended, as they ensure both the performance of the anchor point and the structure to which the anchor point is affixed. The testing requirement for a force to be arrested in each direction where a fall can occur is also to be iiso, as it addresses a potential risk where an anchor point is only tested in one direction – the most favourable direction – which usually corresponds with the highest directional strength of the underlying structure, such as 145677 applies to metal roof kso.
However, there are a number of areas where the ISO standard would require to be modified to align it with the existing Australian standards. The suggested modifications of ISO are as follows:. To reflect the strength requirements in the current Australian standards and to maintain the current safety factors, the static testing should be modified from 12 kN to 15 kN for single use and 21 kN for use by two operators.
There is no need to alter the ISO definitions for dynamic testing. The category of 12 kN anchors – supposedly for limited freefall izo in Australian standards should be eliminated to minimise confusion with users.
To eliminate this anomaly, the Australian standard revision 1567 reference conformance to Australian standards wherever possible. This simple step would eliminate the current confusion on anchor-point standards in Australia.
It would also close the loop in having an existing standard that only covers part of the equipment components required where people are exposed to the risks involved in working at height.
Roofsafe Iwo Safety is taking a leading role with the FPMA in developing the detailed modifications required to convert the international standard into an Australian standard. With the increase of awareness around working at height, the use of SRLs as a means of effective The risks of working at height are often misunderstood by many people, but there are 10 crucial The standard comprises four parts: Part 1 details the manufacturing and testing standards for full-body harnesses, lanyards, connectors and ancillary equipment; Part 2 covers both horizontal lifeline and rail – both prescribed and proprietary – systems effectively continuous anchor points designed to accept transmitted fall-arrest forces over their length ; 14576 3 covers descending devices; and Part 4 covers equipment selection, use and maintenance; and is, fundamentally, the primary standard referred to by users.
The standard defines four basic types of standard as follows: ISO – type design and testing criteria The design and testing criteria for the specified types of anchors are well defined in the ISO standard and cover both static and dynamic testing.
The suggested modifications of ISO are as follows: Ultimate strength and strength rating To reflect the strength requirements in the current Australian standards and to maintain the current safety factors, the static testing should be modified from 12 kN to 15 kN for single use and 21 kN for use by two operators.
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