We need to turn off the cold water in a quarter of 15
1
Open the scanner and enter the apartment number.
2
We see the assets associated with it. We choose a pipe to the bathroom with cold water.
3
We get to her card, see the attached plan on the map on all floors of this pipe and find the basement
4
See photos. See the QR code, read the features if any. Go there and find the QR code.