Allowed slope on walkway ramp

dollylama

I'm looking at getting a stairs made for an external access into an existing industrial plant.

I'm fairly constrained with clearances in all directions - between block walls, conveyor belts and fixed items on the ground but I'm happy I can get a width of 1,000mm between handrails, keep below 38 deg on the flight and stay within rise and going recommendations for semi-public stairways.

The stairs will take one flight onto a landing and then a short flight onto an existing landing on the side of the plant. The second flight is coming in at a fairly shallow slope of 22 deg and I'm wondering instead of stepping it, I could just lay something like GRP flooring along the length of the flight and make a ramped walkway of it. The length of the second flight is 3,500mm.

Does anyone know to hand if a ramped walkway at this slope would be allowed? Also, is it allowed to have a stairway and ramped walkway on the one rise of stairs?

muffler

You could start with reading TGD K. The latest edition can be downloaded here. You should also read BS 5395:3 which you will find here

dollylama

https://www.boards.ie/discussion/comment/118933530#Comment_118933530

Thanks @muffler

I have TGD K in front of me and surely enough, there's a small piece at the rear about ramps ... and a quick glance tells me I might be outside the slope allowed

I'll have a re-read of K and a read of BS 5395:3 in the morning