In the outer scaffolding on the eastern of the construction body shall be set with a passenger ramp tied to the stair case attached to the outside of the scaffolding. And the ramp shall be fashioned into a folded shape and the slope ratio shall be no more than 1:3 and the width shall be no more than 1m.
The ramp scaffolding tubes shall be alone without any double setting in the whole scaffolding system. It is forbidden to use the standing scaffolding tubes to replace the function of the ramp scaffolding tubes. There shall be one connection to the scaffolding body every one span or lift both horizontally or longitudinally.
On the both sides of the ramp and around the peripheral of corner platform, there shall set 1.2 meters high rising defensive hurdles and 30cm high toe hurdles. Use a dense mesh to form a closure and then paint the steel tube and pipe hurdles in white and red On the both sides of the ramp and the outside of the platform shall set a bridging brace.