I have a split-level house built in '78 with a concrete slab on the upper floor. Attached are two drawings (the only ones I have), does anyone know what the maximum weight kg/m2 or total weight is that section D1 on the drawing can support?
Above the concrete, there are studs with dimensions 160mm * 80mm.
 
  • Blueprint of a multi-section building with measurements and a table indicating weights for sections including D1, C1, C2; detailed drawing on lower right.
  • Blueprint of a house showing structural details, including beams and dimensions, stamped with approval by a technician in Järpen, dated June 9, 1978.
Judging by the first drawing, they are some form of prefabricated concrete slabs. What they actually can withstand is information I can't find. The only way to find out is to contact AB Färila Cementvaror, but I suspect that it's difficult. The only thing that can be said with certainty is that they meet the then-current standard requirements for useful load in residential buildings, 50 kg/sqm stationary and 100 kg/sqm moving.
 
The prevailing norms in '78 were only 50 kg/m2 of resting load, considering that a fridge and freezer can weigh double that and almost fit within 1 m2.
 
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