Rank: Forum user 
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I am aware that aisle width should be of a minimum distance for emergency exit routes.
But what about aisles that aren't emergency routes but still require pedestrians to walk down? Is there any minimum in this respect? (obviously risk based approach, but just wondered if there are minimum legal requirements for all pedestrian aisles?
Thank you
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Rank: Forum user
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When I'm calculating capacities for seated tables etc (fire safety related) I use 1m from back to back to chairs to allow free movement (and evacuation). 1m standard gangways as a minimum, 1.8 wheelchair access gangways. BS9999 is a good guide I think. I know it's fire related but I'm not sure there is guidance for generic walkways...
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Rank: Forum user
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thanks safety girl, I'm struggling to find generic guidance also.
I'm sure everyone will agree with me and think that having to 'squeeze' down an aisle is unacceptable, but when storage space is a premium, getting people to widen aisles is difficult unless they HAVE TO. These aisles in particular are maybe used 2 to 3 times a month, therefore the (not mine) argument is that they are sufficient given the infrequent use of them
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Rank: Forum user
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Rank: Super forum user 
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We produced a "Room to Work" guidance around 5 years ago which gives some useful measurements, & although it does need updating, the same principles still apply. If you e-mail me at zyggy.turek@stockport.gov.uk I would be happy to send you a copy.
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Rank: Super forum user 
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AM1 wrote:........... These aisles in particular are maybe used 2 to 3 times a month, therefore the (not mine) argument is that they are sufficient given the infrequent use of them Out of interest - how wide are they now?
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Rank: Super forum user 
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I think that you don't really know whether an aisle is for emergency use until somebody needs to use it in an emergency.....
They may not be designated escape routes, but what if somebody is in one of them when a fire breaks out? And what if that person is in a wheelchair, or using a walking stick?
John
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Rank: Forum user
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Hi
I have just been discussing this with a school for the use of their hall for xmas play. How many seats could they set up was the question, below is the answer I gave.
We recommend
1) 1.5 metres at sides and back of hall be kept clear.
2) 2 metres from fron of front row seat to stage be kept clear (taking into account leg room, this then gives approx 1.5 metres clear).
3) If the hall is wide enough a space of 1.5 metres goes up the middle, from stage to back of hall.
4) If the hall is long enough there may be need for a side to side space of 2 metres (taking into account leg room, this then gives approx 1.5 metres clear).
5) Disabled spaces should be made available at the front row to save having to make the spaces wider.
6) To ensure proper leg room you leave 1 metre from back of seat to back of seat.
I hope this helps.
Son of Skywalker
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