PREMANT district heating pipe

Underground construction work, installation

Trench widening in the area of the expansion pads

The trench must be widened and deepened by at least 0.1 m on both sides in the area of the expansion pads.

PRE 6.501

Trench profile with top hole

2.00 - 4.00

To allow the steel pipes to be welded together perfectly, and so that the sleeve joints can be executed neatly, top holes

must be made on each weld seam for larger dimensions, but as a minimum on bends and T-branches. This can reduce the

width of the normal trench pro

file.

17.1.2025 BGP

Subject to technical changes

B + 0.40

Figures in m

0.35

0.10

0.10

Expansion pad

Figures in m

0

.

2

0

1

.

8

0

0

.

1

0