Height in the number of scaffolding should be set up scissors
6 cross when the time is 45 degrees, across the 5 span of 50 degrees, across the 4 span of 60 degrees. The length of the connecting rod is required to overlap, the overlap length is not less than 1M, the use of three fasteners is evenly distributed, the end of the fastener is not less than 10CM.
. Starting from the base of the scaffold, the height of the scaffold is set up continuously, the width is not less than 6 meters, and the span is at least over the span of 4 spans, and the span is up to a maximum of 6 spans
Two, more than six meters should be set up scissors supportBoth ends of the outer scaffolding at the corner, as well as in the middle of every 6-7 root (9-15M) pole should be set up a set of scissors