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Anonymous users2024-01-24Of course, people have been using decades to renovate the bathroom and make 11 cm holes, not to mention that you make a 3 cm hole.
Generally speaking, it is necessary to be cautious, to see that the community does not care about this matter, someone does this, and no one cares, then it can be done. However, safety must be paid attention to, and the strength must be guaranteed after widening.
What is the structure of your current balcony? Closed to take?
No, the balcony belongs to the cantilevered structure, try not to take the way of planting reinforcement
The thickness of the cast-in-place concrete balcony floor slab is not less than 100mm, and the general thickness is 120mm. Obey the annotation of construction drawings.
Yes, yes, the question is, do you have to cut your property? This basically doesn't pass and is not recommended.