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SWA in U/F floor slab

whjohnson
Got a job where a new submain - approx 25 metre run in 16mm 3 core SWA. Embedded directly into a new concrete floor where wet U/F heating will be installed. Am trying to work out the best order of installation - that is, should the cable go in first, then the insulation, followed by the U/F pipework,and finally followed by the slab. Am not sure what order the u/f heating side will be installed and am also thinking about how if any correction factors may need to be applied for the current carrying capacity. I have sized the cable with a little overhead in mind in terms of actual final demand, but am still a little concerned about final slab operating temperature

Comments welcome.

PS - Am not liking this new format - it is like writing inside a letterbox when compiling posts!
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    Oh!  My 38 degrees was a guess based on it feeling warm to the touch - I have measured it in the bathroom (porcelain tiles and easier to measure) and it is 28 degrees.  Now I think about it, bath and shower water is around 38 degrees.  My mistake and shows the danger of guessing.


    David
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    Oh!  My 38 degrees was a guess based on it feeling warm to the touch - I have measured it in the bathroom (porcelain tiles and easier to measure) and it is 28 degrees.  Now I think about it, bath and shower water is around 38 degrees.  My mistake and shows the danger of guessing.


    David
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