ᐅ What degree of deviation is acceptable when laying masonry?

Created on: 8 Apr 2022 19:46
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WilderSueden
We visited the kitchen installer today and then went to the construction site where the ground floor was completed this week. We noticed that the kitchen measurements differ slightly from the original plan. According to the plan, the kitchen should be 2.995 meters wide, but I measured 2.909 meters along the wall and about one centimeter more at the transition to the dining area.

I understand that masonry work isn’t exact to the millimeter ("the bricklayer is happy as long as he stays on the property..."), but around 8 centimeters seems a bit much to me. Is this still acceptable, and what would be the best way to handle this? Should I ask the general contractor to have the bricklayers on the upper floor re-measure more carefully? In principle, I could live with a kitchen width that’s about one handbreadth smaller.
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ypg
9 Apr 2022 09:27
SoL schrieb:

Then you end up with 180cm (70.9 inches) plus extra clearance.
However, this creates quite a large open space, resulting in long distances when cooking and working. With a rounded 3 meters (9.8 feet), you have 1.80 meters (5.9 feet) in the middle of a U or double island layout, which means 60cm (23.6 inches) of unnecessary space.
Nida35a9 Apr 2022 09:50
guckuck2 schrieb:

the required basic and living area will be achieved, just distributed differently among the rooms

I am afraid the exterior dimensions of the house are correct, which means several square meters (square feet) of living space might be missing 😳
gutentag9 Apr 2022 10:10
SoL schrieb:

Well, it always depends on the specific case. Example calculation:

299cm (118 inches) - 2 x 2cm (1 inch) plaster = 295cm (116 inches)
295cm (116 inches) - 92cm (36 inches) side-by-side refrigerator = 203cm (80 inches)
Side-by-side refrigerators should have 10cm (4 inches) of clearance on each side: 203cm (80 inches) - 2 x 10cm (4 inches) = 183cm (72 inches)

So you end up with about 180cm (71 inches) plus some buffer.
Therefore, I wouldn’t generalize for modern kitchens...
Even without the side clearances, you’d have 200cm (79 inches) = 2 x 60cm (24 inches) + 1 x 80cm (31 inches)
There’s no such thing as impossible, as everyone knows.

In any case, I wouldn’t fit the 92cm (36 inches) refrigerator against the wall.
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WilderSueden
9 Apr 2022 12:47
I was at the construction site earlier and measured the house. The north side doesn’t quite fit. The kitchen is missing 8cm (3 inches), but the stairwell is 14cm (6 inches) wider, and the bathroom plus utility area is 13cm (5 inches) too short, so overall it’s off by -5cm (-2 inches). The wall between the bathroom and utility room is still missing but is correctly marked.

Adding this up, it seems possible that the structural engineer might have changed the plans without communicating it. The precast concrete slabs were definitely made according to the masons’ plans since the ceiling was already poured yesterday.

The open-plan living area basically fits, with deviations of about 2.5cm (1 inch) on each side.
11ant9 Apr 2022 13:18
WilderSueden schrieb:

The precast ceiling panels were definitely made according to the bricklayers’ plan, as the ceiling was already poured yesterday.
At least that much. But overall, it’s quite a significant set of deviations.
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WilderSueden
9 Apr 2022 13:33
Yes, I will clarify this with the general contractor. Changing load-bearing walls is no longer realistic. What is most important to me now is to know according to which plan the masons will continue working on the upper floor next week.