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Height standards for yellow and black warning paint on columns

The standards for the warning paint columns vary according to different application scenarios, such as columns for protective railings at the edge of foundation pits, columns for factory areas, and safety columns for equipment and facilities, etc.

1. The columns of the foundation pit edge protective railings are made of 50×50mm square steel, with a height of 1200 mm, and the height of the railings is also 1200 mm. The standard length of each gear is 2000mm. A warning placard needs to be set up in the middle, and a 200mm-high red and white or black and yellow footstop should be set up at the bottom. 2.

When the excavation depth of the foundation pit is 2 meters or more, protective railings need to be installed around it. The height of the railing poles should not be less than 1.2 meters, and the distance between the poles should not be greater than 2 meters. The surface of the column should be painted with black and yellow or red and white warning paint.

3. In the safety warning color standards for factory pillars and equipment facilities, there are specific regulations on the warning colors for roadside pillars. The colors of the logo are yellow and black, the width of the two colors is equal, and the slope is at an angle of 45 degrees to the horizontal plane. The width of the two colors should be 300 mm. On larger or smaller objects, the width can be appropriately reduced. There should be no fewer than three strips of each color within a range or plane.