Example of girder distribution in the spacing catalog

300,600*3

30 cm edge offset, 60 cm axis spacing max. 3 times

-275,275,550*4

27.5 cm edge offset from one side, 27.5 cm edge offset from the other side, 55 cm axis spacing max. 4 times

K:312,625*3

Start of placement at the edge then towards the middle: 31.2 cm edge offset from one side, 31.2 cm edge offset from the other side, then 62.5 cm axis spacing up to middle max. 3 times