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#1 Posted : 22 May 2003 13:47:00(UTC)
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Posted By Sean Fraser Does anyone know what standards are applied to long ladders, non-permanent, for accessing heights? I'm not seeking any manufacturing standards like BS references, but more any practical guidance or quick reference guides for inspections (key criteria - free, wherever possible!). Reason for asking is that we have two long aluminium ladders - one is bowed when viewed face on, as it were, with a slight bend along both supports. The other has a slight kink on one support, three rungs from the top. Neither is what one would call "damaged" as such, but our people have asked if they are still suitable for use with these minor but noticeable defects. All assistance will be gratefully received. Anyone?
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#2 Posted : 22 May 2003 14:53:00(UTC)
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Posted By Hilary Charlton Unless one actually sees the ladders it is difficult to ascertain how bad the damage is, however, I would suggest that the bowed ladder is replaced or mended immediately and quarantined until such time as an expert has certified it safe. Bowing which is unrectified will certainly exacerbate and can lead to metal fatigue and eventual breaking - how long this would take is not something I would like to hazard a guess on. The kink I can't help you there - this one really would have to be seen to be ascertained.
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#3 Posted : 22 May 2003 15:56:00(UTC)
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Posted By Kevin West In my experiance any damage is enough to remove the ladders from use until checks have been made. Even only slight damage suggests the ladders have had some trauma and so may be weakened. The bowed ladder will almost certainly have had shock loading applied to the side of the ladder in some way and thus will have had detrimental effects on the rungs as they connect to the upright support. Best to err on the side of caution. Kev
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#4 Posted : 22 May 2003 16:03:00(UTC)
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Posted By Sean Fraser Since we are obviously not au fait with ladder manufacture, can anyone suggest who would be competent enough to examine these defective items for us and make a suitable report/recommendation? Somehow I get the feeling that it would be most cost-effective to just condemn them and replace them anyway, rather than pay someone to examine them - and then condemn them and recommend we replace them immediately anyway!! Thanks for the replies so far.
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#5 Posted : 22 May 2003 19:24:00(UTC)
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Posted By Geoff Burt I'd agree with that Sean, best to dispose of and get new ones. Has as been said, a bowed (prounounced 'boughed' in Yorkshire)ladder is real evidence of abuse/misuse. The only specialist examination we've done on a ladder was after an accident - for the prosecuting solicitors - and the report alone cost far more than a new set of ladders. Geoff
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#6 Posted : 22 May 2003 19:41:00(UTC)
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Posted By Hilary Charlton Hi again Tell the truth, if they were at my place they would be scrapped immediately and replaced with new. It's just not worth the hassle for the cost of a new ladder. Hilary
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#7 Posted : 23 May 2003 09:47:00(UTC)
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Posted By Robert K Lewis The general alloy ladder manufacturing standards are BS 2037 which has two classes 1 and 3, and BS EN 131 which has a light trade class, swl 150kg. Stepladders have the same standards The problems you mention suggest that the ladder is either a BS2037 class 3 - this is the domestic duty only type, or BS EN131 light trade duty. There is a long record of this type of failure sometimes with fatal consequences. I recently had a 30 year old painter using a set of the BS EN131 steps which collapsed when he was 1 metre above ground. He fell and landed on his right wrist with it tucked under the forearm. The steps were brought on site that morning and had not been seen by the site manager prior to their use. I ban all ladders and stepladders that are not BS 2037 class 1 but as can be seen there are those who don't wish to pay the extra cost and will do all they can to avoid on site checks whatever the systems in place. Bob
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#8 Posted : 27 May 2003 10:23:00(UTC)
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Posted By Ken Taylor The design standards are the BSENs and your need is for a competent person to determine whether ladders have departed sufficiently from their original design to be considered unsafe for use. I have made use of the former Youngmans 'Safety with Ladders' (Is this still available?) but you can use CITB booklet GE700/7 Ladders,Steps and Lightweight Staging'.
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