1) The bottom uprights of the scaffold are arranged in a staggered manner with steel pipes of different lengths, and the distance between the joints of two adjacent columns should not be less than 500mm in the height direction; The distance between the center of each joint and the main node should not exceed one-third of the step distance.
The overlapping length of the column should not be less than 1m, fixed with at least two rotating fasteners, and the distance from the edge of the end fastener cover plate to the end of the rod should not be less than 100mm.
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