If α ≥ 30°, see Approach at a right angle
If α < 30°, see Parallel Approach
Hlowest beam ≥ 15 * (d - 50 mm)
Required d ≤ (Hlowest beam /15) + 50 mm
The resulting S is applied to the beam which is the furthest away from the danger zone. This beam must be positioned at a height of max. 1000 mm above the reference plane.
Height > 300 mm there is a risk crawling beneath!
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