1. The double-arm road street lights are double-single single fire lights. The motorway lights are 11.5 meters away from the ground, and the sidewalk lights are 8.5 meters away from the ground. The light source of express road light is 120WLED street light, and the light source of pedestrian road light is 80WLED street light. 12m high pole lights are generally used on the road, the cantilever has single and double picks, and 400W high pressure sodium lamps.
2. The light pole material is made of high-quality Q235A steel bending tapered pole, which is formed at one time. The light pole is made of 4mm thick steel plate. The wall thickness of the light pole does not include the thickness of the galvanized layer. The main pole of the light pole is a tapered pole, the diameter of the upper mouth is about 85mm, and the diameter of the lower mouth is about 200mm. The pick rods are all made of steel pipes with a diameter of 60mm, the length of the outer pick is 1.6 meters for the motor vehicle lane, the sidewalk is 1.2 meters, and the wall thickness is 3mm.
3. The surface of the light pole is smooth, and there should be no cracks, missing welding, continuous pores, undercuts, and inequality. The straight line error of the center line of the light pole does not exceed 0.02% of the length of the pole, the appearance of the pole body is free of unevenness and traces, and the appearance of the light pole has no obvious defects.
4. The welding method of the lamp pole is automatic argon arc welding and ultrasonic flaw detection, which meets the requirements of the welding GBl1345 grade II standard. The socket connection method of the light pole is fixed by nails and top wires.
5. The lamp pole is treated with hot-dip galvanized anti-corrosion treatment, the zinc layer is not less than 75 microns, the surface is practical and smooth, the color is basically the same, it will not peel or peel after the hammer test, and the galvanized life is not less than 20 years.
6. The light pole spraying should be made of high-quality outdoor pure polyester plastic powder, the color is to be agreed, the surface is flat and smooth, the quality of the plastic layer is stable, not fading, not falling off, strong adhesion, strong ultraviolet resistance, and the service life should not be less than 20 years, thickness ≥80um, in line with ASTMD339-83 standard.
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