Daily inspection and inspection of guardrail beam

① Inspection method: When preparing for the inspection, the inspection personnel should carefully inspect the technical condition of the inspection vehicles and communication equipment, verify the handover records of the inspection, and develop an inspection plan. During the inspection of guardrail beam, vehicles should be illuminated according to regulations, and the speed should generally be controlled at 40km/h. Pay attention to the changes in the technical conditions of the highway and keep records of the inspection of key structures and road sections. After the inspection is completed, the inspection personnel should organize the inspection diary and do a good job of shift handover.

② Inspection content: Inspect the integrity of the road at, pavement, bridges and culverts, tunnels and other structures, as well as greenery and facilities along the route, inspect roadblocks and related content to road management work. The focus of inspecting guardrail beam is on the road surface and roadblocks.

③ Video inspection rate: Inspect the guardrail beam at least once a day.