1. Scaffolding steel pipes should be φ48.3×3.6 steel pipes. It is strictly forbidden to drill holes in steel pipes, and it is strictly forbidden to use steel pipes with cracks, deformations, or bolts that have slippage. The fastener shall not be damaged when the bolt tightening torque reaches 65 N·m. There should be a product certificate, and sampling retests should be conducted.
2. Scaffolding includes floor-standing scaffolding, cantilevered scaffolding, attached scaffolding, portal scaffolding, etc. It is strictly forbidden to mix steel, wood, and steel bamboo on scaffolding, and it is strictly forbidden to connect frames with different stress properties together.
3. The safety net should be hung tightly to ensure that the entire surface is flat, tight, and straight. The horizontal overlapping parts should overlap at least one hole, and the holes should be fully tied. There should be no leakage, and there should be no obvious gaps when viewed from a distance. The upper and lower openings should not be tied up to cover the large horizontal bar but should be buckled uniformly on the inside of the large horizontal bar. The upper and lower openings should be tied tightly, and the net buckles must not be missed. All corners of the outer frame should be equipped with inner vertical poles that extend from top to bottom. When tying the safety net, pass between the inner and outer poles to keep the large corners square and straight. When there is a large gap at the junction of the upper and lower cantilevered sections, a safety net should be hung. The safety net should be hung neatly and should not be hung at will. It is prohibited to use dense mesh safety nets whose flame retardant properties do not meet the specified requirements on site. The dense mesh safety net must meet the requirements of 2000 mesh/100cm2. The specification is 1.8m×6m, and the weight of a single net should not be less than 3kg.
4. Vertical poles: uniform spacing, vertical poles without bending, and the length of the handrail extending from the uppermost step of the frame body should be basically the same (the external poles of a flat roof scaffolding should be 1.2m higher than the cornice epithelium, and the external poles of a sloped roof scaffolding should be 1.2m higher than the cornice epithelium; 1.5m higher than the cornice epithelium), the corners of the scaffolding form a tic-shaped structure. The vertical poles of the upper and lower cantilevered sections should be in a straight line on the facade. When viewed from the side, the frames of the upper and lower cantilevered sections should be kept on the same facade, and no misalignment should occur. The height of the top of the vertical pole of each cantilever section shall not exceed the cantilever steel section of the previous step.
5. Large angle: The length of the vertical and horizontal poles in the facade extending out of the vertical pole must be strictly controlled within 10 to 20 cm, and the length should be consistent. Random erection, uneven lengths of protruding frames, and uneven lengths are prohibited.
6. Scissor braces: The outer facades of the scissor braces are set up continuously. The inclination angles of the diagonal poles of the scissor braces on the same facade should be consistent, so that the longitudinal direction reaches the top and the transverse direction reaches the edge, and the overlap length is consistent, exposing the vertical pole edge and the topmost longitudinal direction. Horizontal rods are of uniform length.
Post time: Dec-05-2023