1. First of all, check your longspan racking accessories, which are generally composed of columns, beams and deckings. The quantity and accessories are  complete.

2. Then we use a column and beam to splice the bottom together. This splicing is relatively simple, but we should pay attention to measuring the position up and down.

3. In the same way, fix the four sides of the two beams on the two columns. As shown in the below photo.

4. Take out the fixing pins matched with the products. These pins only need to be inserted into the hole in the overlapping part of the beam and the column, so that the beam will not fall down.

5. If there is a add-on frame, the add-on frame and the starter frame share the same column. Just insert the beam of the add-on frame into the common column.

6. Assemble all the starter and add-on rackings in the same way. It is best to install it directly on the placement position, so as to save the trouble of moving around.

7. Finally, put all the deckings into the middle of the two beams, as long as they are stacked flush.

8 Now all finished