1 - reinforced concrete floor, thickness B = min. 150 mm
2 - plastic pipe, diameter "D" and pipe wall thickness "t"
3 - Multitube fireproof tape (inside) [hxs] mm, placed at the distance
l = 15 ± 5 mm from the underside of the floor
4 - electrically clamped band or adhesive tape
5 - the gap between the pipe and the partition, width u = max. 25 mm, filled
cement mortar