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#1 Posted : 01 December 2005 16:33:00(UTC)
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Posted By Alan Murphy Just a query when talking about Permits to work it is obviously a good idea to certainly have it in place, but from an in house point of view whats peoples opinion regarding having a list of approved people as opposed to a permit to work system, for ease and better to work. Basically Is it acceptable practice, and legal to have an approved list of internal employees ie Electricians and Fitters for hot work,or work at height or electrical work or confined spaces etc What is peoples view and experience please, as the approved list would be easier, thanks in advance. Regards Alan
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#2 Posted : 01 December 2005 16:38:00(UTC)
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Posted By Robert K Lewis Alan if anything happens there will be immediate criticism of the systems of management control. The purpose of the permit is that the person in control of the risks sets down clearly in writing what is to be done and how the controls are to be met, briefly that is the purpose. To rely on appointed person overlooks the fact that something may have been done or be about to be done over which they have no knowledge or control. You are also vulnerable to comments concerning the lack of co-ordination if a plant is accidently started, say, during work. Bob
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#3 Posted : 01 December 2005 16:41:00(UTC)
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Posted By Alan Murphy I see that point but what if you have given them the appropriate safety training associated with the task and hazards associated with it. I mean are we to expect a electrician to fill permits in all day for his varius jobs.
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#4 Posted : 01 December 2005 16:52:00(UTC)
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Posted By phillip carter a permit to work will always be a safer system to work with and it should cover:- The work and what is to be done,equipment involved,who is authorised to do the work, steps that have already been taken to make this a safe system, potential hazards that remain, precautions to be taken against theese hazards, length of time the permit is valid, signiture of the person doing the work and is aware of the risks, and a signiture when work is complete
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#5 Posted : 01 December 2005 16:53:00(UTC)
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Posted By Bill Dark I can see your point, but the key aspect of a PTW is to control and co-ordinate actions that ensure the safety of the people carrying out the work, particulalry when more than one group is involved. What you are suggesting may be acceptable if the work was requested by the asset owner and was to be carried out by the asset owners own staff who would need to have total control over the task and plant/equipment and isolations etc. Regards Bill
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#6 Posted : 01 December 2005 17:23:00(UTC)
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Posted By Mark Talbot Ah, well, it all depends what you need to control. An electrician going about his daily work would not normally be subjected to a 'pure' PTW. However, it has been increasingly popular to use a PTW to cover anything that is slightly risky or business critical. A true PTW is used when you need to add special precautions, and to make others aware of such. It is meant to prepare you for unusual or potentially more dangerous operations. It also helps to co-ordinate the impact of one set of actions might have on another. One aspect of a confined space PTW is that the rescuers have to be in place and ready before t he job starts - so by definition, it can never be left to a solo worker. PTW's as a concept were brought in for very good reasons - namely two heads are better than one. It is a product of proper and adequate supervision. If you want to reduce the numbers you have to write, examine what you are using them for and why.
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#7 Posted : 01 December 2005 17:44:00(UTC)
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Posted By James M permits to work are normally issued to control areas of work where even though a risk assessment has been completed and control measures are in place the risk of injury or harm remains high. Examples of this are working with live electrics, confined spaces, maintenance on machinery with moving parts etc I hope this helps Jim
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#8 Posted : 01 December 2005 17:48:00(UTC)
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Posted By Alan Murphy I can see where you are coming from regarding say dangerous stuff, but even in the Confined space one if you have given say 4 people on site confined space training and awareness including they must use 2 people at all times, and they sign to say they are trained then surely all they are doing in a PTW system is applying the things that you will be training them to do. Why is that not just as good as the permit to work or is it more about the control thing.
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#9 Posted : 02 December 2005 08:07:00(UTC)
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Posted By Merv Newman As previous respondants have said PTW are required when risk of fire, explosion, injury or death is very high and exceptional precautions must be in place before work starts. Just training people is not good enough. "I know what I'm doing" is one' of the biggest killers out there. Back in 1992 our most expert electrician, the one who trained everybody else and who wrote the safety procedures, was electrocuted. Permits should be signed off by a manager AFTER inspection of the work place and ensuring that ALL required procedures and prrecautions are in place. Permits should be signed at the workplace, never in an office. AND, signing the permit does NOT mean "everything will be alright now we are following the written procedure". What it does say is "I share this responsibility with you. If something does go wrong, I will take the blame." sorry about the SHOUTING but I feel very strongly about this. Have a nice day Merv
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#10 Posted : 02 December 2005 08:16:00(UTC)
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Posted By Sean Nuttall Sorry but I have to agree with Alan also. I have written more confined space entry permits in my time than I care to recall and not one was ever identical even when entering the same piece of plant. Whilst I do consider that sending your people for specialist confined space or other system training is a good idea; it is not a replacement for demonstrable control of a work activity which a properly utilised PTW system is. Bowing down to the "they are the experts so leave em to it" philosophy will no doubt end up in tears. Regards Sean
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#11 Posted : 02 December 2005 08:24:00(UTC)
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Posted By Peter Longworth Alan It sounds to me as though you may be looking at PTWs as covering all the work that, for instance an electrician, might do. In that case using PTWs would be needlessly bureaucratic. My view is that PTWs are used to control work that is of a particularly hazardous nature, such as working in sub-stations, hot work etc. All routine tasks should be covered by risk assessment, SSWs etc.
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#12 Posted : 02 December 2005 09:32:00(UTC)
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Posted By Robert K Lewis Just to come back to your response to my 1st posting. The things you describe are all key elements of a good permit system, but they are as other contributors have indicated not the totality. eg. The electrician may be very well trained to isolate systems but that does not make it safe practice for him/her to simply turn off the power when it is convenient to do the work. Other factors such as the safety of persons elsewhere come into play as machinery may malfunction dangerously or people may enter dangerous places because the power is off. Do not use permits for routine work they are intended for operations where the risks are significant even with all controls in place. Now where is that tank drain to let down these liquors into the chemical drain - can you see what I mean, the actions of others can unwittingly affect your work area. Bob
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#13 Posted : 02 December 2005 16:02:00(UTC)
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Posted By Ian Waldram A good and thoughtful original question by Alan, so far no one seems to have tackled the issue of how to decide when a Permit is appropriate, and when it is 'over the top'. My experience suggests that a Permit is typically required when any of the following applies: 1) The are hazards for the worker that are beyond his/her direct control, or competence to manage. The Permit summarises these, and confirms what controls have been put in place, e.g. electrical isolation, equipment depressured and drained, etc; 2) The task to be carried out can present significant hazards for others. The Permit identifies additional controls required, e.g. to prevent harm to adjacent workers, to prevent ignition from planned hot work, etc. 3) Is it important to have a record that this task is in progress, e.g. it will continue beyond a shift handover? and 4) The task is not covered by an existing standard operating procedure, carried out by competent persons under appropriate supervision. E.g. driving almost any vehicle would be 'caught' by 1) and 2), but nearly all driving hazards are suitably managed by 'rules of the road' (local or public) and driver competence. An exception would be driving off-road on a site where underground services might be damaged, or live overhead power lines were present. A well-developed shift handover system might cover some aspects of 3), but often a Permit which identifies equipment not available, linked isolations, etc. is the best way to summarise important facts. Thus, for Alan's original question, a competent electrician or fitter working on 'live' equipment which presents hazards only to them, and where no one else is at additional risk if it is isolated temporarily are good examples of work where adding a Permit achieves nothing. On large sites where Permits are widely used, it is not uncommon to find that the system has degenerated to "if in doubt, issue a Permit", the truly hazardous tasks can be obscured in the resulting mountain of paper and completing even a simple task can require numbers of signatures without adding any controls to those the worker planned to have in place anyway! I also recall one site where issuing Permits was said to be necessary to track individuals in case of emergency - quite ignoring the fact that there are ways to do that without generating so much paper, and for much of the time the workers wouldn't be at the Permit location! I've simplified things a little here, partly to provoke hard thinking. But I reckon many operation H&S advisors are far too ready to support the issuing of Permits when they should be ensuring they really add value by specifying additional controls. If they don't, has the Permit become just a backside-covering exercise?
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#14 Posted : 05 December 2005 19:37:00(UTC)
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Posted By Frank Hallett Hi Alan To be brutally honest - you will require both! PtW will only afford the necessary level of control if used by competent persons at all levels of the process; a PtW will never make the personnel competent in itself and nominally competent people working without a PtW will alsways be at risk of the Knumb-knutts who twiddles the wrong control at the wrong time. Frank Hallett
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#15 Posted : 06 December 2005 01:12:00(UTC)
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Posted By A. L. Ure Two things - first a response to the orginal posting, and second a minor highjacking of the thread: 1. PtW is a lot more than training or having approved people. Authority, co-ordination and communication are also essential elements. It wasn't a lack of training which kicked-off the chain of events which led to the Piper Alpha disaster, it was a lack of co-ordination and communication of simultaneous work in the PtW system, particularly at shift changeover. Training and competence is one fundamental of the system but not a catch-all. If any activity is in progress involving hot work in a potentially flammable atmosphere, confined space entry, overriding safety systems, or whatever the safety critical jobs are identified as being in that particular operation, a PtW should be used. 2. Now the minor highjack - I'm just in the process of writing an internal PtW Standard for an organisation, and we have been wrestling with how to define the situations or activities where a Permit is required. In the various industry guidance documents I've looked at (this an upstream oil and gas company) there is consistent reference to a PtW being required for 'non-routine work', the implication being that anything that is 'routine' is covered by work instructions and procedures and that a PtW should be used by exception otherwise over-use diminishes it's validity. Whilst I agree with the last part of that, the 'non-routine' part doesn't cut it for me as I reckon there are plenty of 'routine' jobs carried out which are hazardous in nature and require a Permit to control them. It's easy to say 'a Permit shall be used for hot work, confined space entry, excavations etc etc' but I'd like to hear from anyone who has a suggestion as to how I can word a general requirement for when a PtW is warranted? Please note that this is not in the UK so quoting British legislation is of no assistance to me. Alan - apologies for jumping on the back of your thread. My defence is that a) it's relevant and that b) this is one of the more meaningful discussions I've seen on this forum for some time.
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#16 Posted : 06 December 2005 08:20:00(UTC)
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Posted By Adrian Watson Dear Alan, This is an old question, but still an important one! The important points to consider, are not whether the work is routine or not but whether the work involves a serious risk of injury or death and whether high levels of control,communication and co-ordination are required to reduce the risks to tolerable levels. I've previously stated that I consider "permits to work" as a top tier admin control, along with plans of work and method statements. As such "permits to work" should be reserved for situations which would cause death if done in the wrong sequence or manner and require a coordinated approach; Below permits in the next tier are authorisations; Then there are safe working procedures; and Finally, the competent man, or the supervised trainee. Regards Adrian Watson
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