What are the types and specifications of safety signs on the construction site?

(1) Prohibition sign: Prohibition sign means to prohibit or stop people's behavior. 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. There are 28 forbidden signs in China, such as no hip climbing.

(2) Warning board: Warning board means to warn people of possible dangers. The geometry of the warning sign is a black triangle, a black symbol and a yellow background. There are 30 warning signs in China, such as beware of electric shock.

(3) Command gesture: Command gesture means that it must be observed. There are 15 command signs * *, such as safety helmet, protective shoes, safety belt, gas mask, protective gloves and protective clothing. ?

(4) Prompt mark: The meaning of prompt mark is the method of indicating the target.

Extended data

1. The form, content and use of safety signs on the construction site shall comply with the requirements of Safety Signs and Their Use Guide (GB 2894-2008).

2. The safety signs shall be galvanized iron plates (insulating materials shall be used in workplaces where there is danger of electric shock), PVC plates or aluminum-plastic plates, and the surface layer shall be outdoor car stickers.

3, safety signs should be set inside, eye-catching. The setting height should be as consistent as possible with the height of human eye sight.

4, safety signs should not be located in doors, windows, shelves and other movable objects, so as to avoid signs moving with the parent object, affecting reading. Obstacles that hinder reading shall not be placed in front of safety signs.

5. When multiple safety signs are set together, they should be arranged from left to right and from top to bottom in the order of warning, prohibition, indication and prompt.

6. Safety signs should be checked at any time, and repaired or replaced in time if damaged, deformed or faded.

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