Figure 2: Wall sections (examples) of
large profiled plastic pipes (ND 2000)

c) Example 3 of a profile:
profile height h = 103 mm,
profile width b1 = 110 mm,
profile distance b2 = 180 mm,
profile wall thickness s = 8 mm, wall
thickness of the inner layer e4 = 11,0 mm,
wall thickness of the inner layer
under a hollow profile e5 = 19 mm
(dimensions according to [9])