1. The quality of all traffic signs to the construction site should meet the relevant technical standards and can only be used after approval by the supervision engineer;

2. After arriving at the site, make full use of safety facilities such as signs and road fences to manage pedestrians and traffic and strictly follow the operating rules to ensure the safety of operators, prevent accidents, and ensure construction safety;

3. Strictly follow the requirements of the construction drawings and determine the setting position of the mark according to the direction of the traffic flow;

4. Fix the sign board on the pillar through sliding bolts, hoops and other connection accessories, and the lower edge of the single-column sign is 250 cm from the height of the road surface;

5. After measurement of the basic position, carry out the basic excavation at the designated location according to the specified size of the design drawing, and then perform the processing according to the regulations.

6. The erection of the supporting structure of the road sign should be carried out after the foundation concrete strength meets the requirements and is approved by the supervision engineer. The flange of the pillar and the base flange of the concrete foundation should be level and tightly fit, and the anchor bolts should be properly matched.

7. After installing the sign board, the verticality and height of the logo board should be checked and adjusted to meet the specified requirements;

8. After the sign board is installed, all road signs should be cleaned to keep the layout clean.