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#1 Posted : 22 August 2002 11:44:00(UTC)
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Posted By Dyfed Rowlands Can anybody help please? At present, we have contractors undertaking hot work upon a primary school flat roof. Everything is in place and is running well. However, I'm not convinced that the scaffold company have erected the scaffold correctly. An intermediate guard rail has been dismantled but the top bar has been left in place. The men therefore are having to negotiate the top bar by bending underneath it whilst trying to gain access to the roof from the ladder. In my opinion the latter is not acceptable and gives further rise to the potential risk of falling from height. I do have photographs of the area in question of which I can send to you. 1) Does the top bar have to remain in place? 2) What do the regs or standards require? Regards Dyfed Rowlands
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#2 Posted : 22 August 2002 19:44:00(UTC)
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Posted By Martyn Hendrie I agree that the situation you describe is not acceptable. The legislation allows for guard rails to be removed to allow for the passage of men and materials. In practice it would be normal to remove a short section of both top and intermediate guard rail (and toe board) to form a suitable ladder access. The gap should be as small as practicable (usually around 0.5 m) It would also be prudent to move or close off the gap when/if the work is in the immediate vicinity of the ladder access. Having an arrangement where men have to climb over/under a guard rail is not acceptable. Hope this helps.
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#3 Posted : 22 August 2002 22:42:00(UTC)
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Posted By Nigel Singleton BSc To access a scaffold walkway, a gap in the scaffold (gateway) should be allowed with an 0.8m section of the ladder above the walkway. The top rail of the scaffold should be at least 910mm with no gap between the mid rail and floor or top rail of more than 460mm. The document that will help is HSE information sheet 'construction information sheet 49'. This can be downloaded from www.hsebooks.co.uk Hope this helps
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#4 Posted : 22 August 2002 22:54:00(UTC)
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Posted By Bill Fisher Dyfed Two points if I may; 1. Regarding your query on scaffolding: Martyn is quite correct but it goes beyond Risk Assessment. In the period '95 to '97 there was a civil case in Scotland when a labourer claimed compensation from his employer and won. In essence he claimed that the constant negotiation of upper guardrail and occassionally toeboard when alighting from a ladder caused and agravated a back problem. Next day the HSE in England (Cumbria) etc were pursueing a strategy of no obstructions at the top of ladders. Steps had to be taken to protect any potential hazard from an opening. Hope this helps. 2. It is considered rather rude in internet terms to repost to climb the ladder. In fairness to the other users of the Forum may I suggest that out of courtesy you do not repeat. Regards Bill
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#5 Posted : 23 August 2002 09:22:00(UTC)
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Posted By Robert K Lewis First thought - Why use ladders for access and egress? I hate this practice as it is often so easy to build a stair tower. If this is not possible what about a ladder tower with ladders running only lift to lift. This way there is a sensible escape route. Stairs have the additional benefit that operatives can safely carry materials to the top. I see absolutely no need other than cost saving to continue with the current practices of leaving handrail gaps or requiring clambering over or under the rails. My objective this year is to remove ladders from site unless there is no other method reasonably practicable to do the work. Bob
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#6 Posted : 23 August 2002 14:57:00(UTC)
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Posted By Gary Browning Quite right Robert, practical safety advice, NOT THEORY. Get in right in the planning stage don't argue about once it's up. Method statements hopw are they going to get on the roof should be addressesd before you put give them the contract to do the job. Get a copy and Read the National Association of Scaffolding Contractors ACOP written in conjuction with the HSE. Available from the association. This is how access Scaffolding should be done. But take Roberts advice it's very valid.
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#7 Posted : 27 August 2002 08:42:00(UTC)
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Posted By Dyfed Rowlands Thank's everybody for your responses, I have been able to put them to good use. Sorry Bill for re-posting my message, I did not intend to be rude in anyway. Regards Dyfed
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