What are the signs of installation order

①The quality of all traffic sign components transported to the construction site should meet the relevant technical standards and be approved by the supervision engineer before they can be used; ②After arriving at the site, make full use of signs, road rails and other safety facilities to manage pedestrians and traffic and strictly follow the operation Rule construction to ensure the safety of passers-by and operators, try to prevent accidents, and ensure construction safety; ③Strictly follow the requirements of construction drawings and determine the location of signs according to the direction of traffic flow; ④Follow the design drawings after the foundation position is measured Excavation of the foundation at the specified location for the specified size, and treatment according to the regulations, erect the formwork, tie the steel bar, and pour the concrete, the anchor bolts and the base flange are in the correct position and reach the specified elevation; ⑤ The erection of the sign supporting structure should be in It will be carried out after the strength of the foundation concrete 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 close, and the anchor bolts should be properly matched, and the pillar must not be inclined after the bolts are tightened; ⑥The sign board should be fixed to the pillar by connecting accessories such as sliding bolts and hoop; The distance between the inner edge of the sign board of the pillar sign and the edge of the road shoulder shall be 20cm, the height of the lower edge of the single pillar sign shall be 250cm from the road surface, and the clearance of the cantilever installation shall be 5.2m away from the road surface; Check and adjust the verticality and height of the board to meet the specified requirements; ⑧The sign layout for cantilever sign installation should be perpendicular to the center line of the road. When the road side pillar sign is installed, the sign layout should be as perpendicular as possible to the center line of the road. Or at a certain angle: the direction and warning signs are 0-10 degrees, the prohibition and indication signs are 0-45 degrees, the sight guidance signs are 80-90 degrees; ⑨After the sign board is installed, all sign boards should be cleaned. Keep the layout clean.