Types and placement methods of safety warning signs in construction site.

There are four kinds of prohibition signs, warning signs, indication signs and prompt signs, which should be set far enough in front of the hazard source.

Safety signs are divided into four categories: prohibition signs, warning signs, indication signs and prompt signs, and supplementary signs. The geometric figure of the prohibition sign is a circle with diagonal lines, in which the circle is connected with diagonal lines and is red; The graphic symbol is black and the background is white. The geometry of the warning sign is a black triangle, a black symbol and a yellow background. The geometric figure of the indication sign is a circle, a blue background and a white graphic symbol.

Danger and warning signs should be set far enough in front of the hazard source to ensure that observers have enough time when they first see the signs and notice the danger. This distance varies from case to case.

Extended data:

Requirements for the use of safety signs stipulate that:

1. In order to effectively play the role of signs, they should be inspected and cleaned regularly. In case of deformation, damage, discoloration, loss of graphic symbols, brightness aging, etc., it should be replaced or repaired immediately and kept in good condition. Safety management departments should do a good job in supervision and inspection, and correct problems in time when found.

2. Regularly publicize the use procedures of safety signs to employees, especially those who need to observe preventive measures. When setting a new sign or changing the position of an existing sign, the staff shall be informed in advance, and the reasons for setting or changing shall be explained.

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