My apartment has a rule of we should not put a grill on the terrace under a sprinkleranlegg.

I believe I don’t have a sprinkler on my terrace.
But just want to make sure. Are these sprinkleranlegg?

by coblos90

2 comments
  1. No. They are lifting points to fit the concrete slab that is your roof or the floor of the one above you. They are normally covered, but it is no problem to leave them exposed.

  2. No, they are for lifting the concrete slab during construction

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