Hello

I have received a request for additional information regarding our building permit application in the municipality of Lund. I submitted what they stated was required on their website, but now they want to see the Construction drawing and structural calculations for our conservatory, which will rest on a deck floor. Goodness and sigh.

The reason they wanted this was because they have seen an increase in structures that are under-dimensioned.

I asked if it was sufficient to submit the measurements from the conservatory manufacturer and his certificate that the conservatory complies with the National Board of Housing, Building, and Planning's structural regulations, but no, they needed a drawing - a simple one would suffice...

I am now in the process of arranging this drawing, but my friend who is helping me wonders what is usually the cc distance between the roof beams and between the floor beams? It is a conservatory with a multi-wall polycarbonate roof, one short side with glass sliding doors, one with a wall, and one long side with glass sliding doors and a center post that will stand on a deck floor resting on pillars. The dimensions are 5200x3700.

Grateful for a response.
Kind regards, M
 
SegerM SegerM said:
I am currently working on arranging this drawing, but my friend who is going to help me is wondering what is usually the cc distance between the roof trusses and between the floor joists?
600 mm is almost Swedish Standard according to SIS.
 
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Depends on the thickness of the roof panels, check with the manufacturer!
 
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The center-to-center spacing for the roof trusses is determined by the channel plastic. Then you can use the Swedish Wood calculator to determine the appropriate dimension of the timber based on the span and slope. There you can also get calculations for the decking floor. We used their calculations in our conservatory build.
 
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A Anderscurl said:
There you can also get calculations for the decking floor. We used their calculations in our sunroom construction.
And what spacing did you come up with?
 
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Illustration of roof panel installation with labeled components and dimensions for spacing, detailing various thicknesses and measurements in millimeters.
According to the manufacturer's installation instructions for the roof. The floor with us became a cast slab. So no CC on that.
 
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A Anderscurl said:
[image]
According to the manufacturer's installation instructions for the roof. Our floor became a cast slab. So no CC on that.
Hi, which manufacturer was this? We will have 32 mm channel plastic. Thank you so much!
 
This was from Skånska Byggvaror. The same one we chose. I liked that it had screwed aluminum profiles.
 
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