According to the construction drawings and the geology of the survey site, there is no shading at the top of the street lights, and the installation location of the street light is determined at a base value of 20-50 meters.

1. The road width of about 3-4 meters, a 3-4-meter lamp rod, 15-20 watt LED lamp head, the installation distance should be 20-25 meters;

2. The road width is about 5-7 meters, a 5-7-meter lamp rod, and a 30-50-watt LED lamp head. The installation distance should be 30-40 meters;

3. The road width of about 8-12 meters, 8-12 meters of lamps, 50-120 watt LED lamp head, the installation distance should be 30-50 meters

Solar panels should be in a relatively sufficient direction in the sun and sunlight.

Generally, Central China and South China, solar panels are facing south.

Huaxi and North China, solar panels facing 5 degrees west of the south.