Rank: Forum user 
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Opinions would be appreciated for the following working at height scenario.
Commercial warehouse needs a new flue fitting on its roof. The roof is 10 meters high and the flue is located 2 meters from the roof edge.
The work required will probably take one person less than 30 minutes to carry out.
Due to site access a MEWP cannot be used.
I would appreciate your thoughts and opinion on the best method of carrying out this work.
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Rank: Super forum user
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Not being critical Tony but you probably need to give a bit more info to get an answer on this one.
Type of roof ( fragile? ) and roof layout might help a bit ( flat roof or working in a gulley ). Size of flue / weight etc.
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Rank: Forum user
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The roof is metal clad, but as no report is available it is being treated as fragile. It is a slopping roof and the flue is at the eaves. The size of the flue 150mm dia x 200mm long and weighs about 4kg.
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Rank: Forum user
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Tony dont want to unduly worry you , but our situation was similar to yours, our maintainence man fell through the roof was killed outright. the company found guilty of corporate manslaughter. make sure qualified to do job, equipment available, permit to work , RA ,method statement in other words everything we didnt do , regards Jim
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Rank: Forum user
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So can this be done off ladders? I personally think not, but whats the answer?
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Rank: Super forum user
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"Haulotte star 11"
This is a very small base mewp with a working height of 11 metres. Not sure how much space you have but it may be worth a look.
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Rank: Forum user
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The Haulotte machines are dreat if you can get them to the worksite and have a concrete or tarmac surface to work on but if not, are you sure the job can't be reached by a truck mounted boom?
Some booms have a huge outreach at low levels so can be set up in a car park or similar and boom across. I have done a lot of jobs where the truck was parked against one side of the building and the work target was over the roof pitch and down the other side.
A lot of the MEWP rental companies will in fact do a free site survey and an operated boom is not as expensive as you might think.
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Rank: Super forum user 
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What about this SpiderLift MEWP mentioned in a thread last week. It can apparently access narrow areas and lift to about 20 metres. Well worth a gander IMO. http://www.spiderlift.co.uk/
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Rank: Forum user 
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Hi Tony, without seeing the job it's hard to picture but considering the nature of the work I would be looking at a mobile scaffold tower and/or crawling boards, reasonably practicable comes to mind. As long as the guys carrying out the work know what they are doing and the risks involved they can assist in the preparation of the safe system of work which as Jim rightly points out have everything in place first. People are very wary of ladder work due to the potential for falls but if well planned and supervised there should not be any issues, there are plenty of related stories out there for ideas and what not to do. Good luck anyway. John.
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Rank: Super forum user
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My initial thought was it could probably be done with an access ladder and a cat ladder due to 'reasonably practicable' with it being only 150mm x 200mm and 4Kg and taking one person less than half a hour to install.
Then i read Jim's post.
Make sure you've got everything in place regarding the competence of the installer, inspected equipment and RAMS.
Is it the first time they have done this particular job?
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Rank: Forum user
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Thanks for all the input guys. The client is also looking at a way forward, he realises they are also responsible for allowing people on to their roof.
Mobile scaffold seems most cost effective way forward.
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