Street Light Pole technical requirements:
1. The height of the pole is 4-15 meters. The pole is made of Q235 high-quality steel. The diameter of the pole is 60-120mm, the diameter is 132-290mm, the wall thickness is 2.3-6.0mm, and the flange is 240*240mm. 400*400mm, the conventional method is blue.
2, the electrical door has a reasonable operating space, the door has electrical installation accessories; the gap between the door and the bar should not exceed 1 mm, with good waterproof performance; there is a special fastening system, with good anti-theft performance, its fixing bolt Open with non-generic tools.
Street Light Pole
is made of high quality low silicon carbon steel Q235A steel (where Si≤0.04%, yield strength >245Mpa), and the material meets the performance standard: GB699-88.
4, welding process
The entire rod body should be free of any cracking, leakage welding, continuous air hole, undercut, etc. The weld seam is smooth and flat, without convex and concave undulations, without any welding defects, and a welding flaw detection report is required. The welding standard is based on: GB/T3323-1989III. The safety standard complies with the national standard GB7000.1-7000.5-1996.
5, hot-dip galvanizing process
The inner and outer surfaces of hot dip acid should be treated with rust, and the thickness ≥75um conforms to GB-/T13912-92 standard. The design service life should be no less than 30 years, the galvanized surface should be smooth and beautiful, the color is basically the same, and the skin can not be peeled off after slamming test. Provide galvanized test reports.
6, spray molding process
Spray plastic should be made of outdoor pure polyester powder, the color is white (regular or according to customer requirements), the plastic layer quality is stable, does not fade, does not fall off. Strong adhesion, strong resistance to the sun's ultraviolet rays, anti-ultraviolet rays, and should be along the lake city and key salt areas. Design life ratio is less than 30 years, thickness ≥ 80um, in line with ASTM D3359-83 standard. Provide a spray test report. Spray protection requirements: film thickness is not less than 40um, strong adhesion, blade scratches (15 * 6mm square) can not skin, does not fall off. The surface is smooth and the color is basically the same.
7, design ability
a. According to the requirements of the corresponding wind speed, the calculation of the force of the rod according to the shape diagram of the light pole is provided.
b. The strength and surface structure of the formed square steel used in the rod body must conform to the corresponding national standards.
C. Seal the pole and cover the top with waterproof air.
8, verticality test
After the Street Light Pole is upright, use the theodolite to check the verticality between the Street Light Pole and the horizontal. The verticality should be less than or equal to three thousandths.
9, the sense of the body
The shape and size meet the requirements, the overall appearance is elegant, the surface of the rod is smooth and uniform, and the color is uniform. The galvanized layer is smooth and flat, and the sprayed layer has strong adhesion without peeling off.
10. All fixing bolts, nuts, etc. are made of stainless steel (except for anchor bolts and nuts).
11. The inner cable passage of the lamp post is unobstructed, easy to thread, and has no sharp edges, burrs, teeth and the like to avoid damage to the cable.
12, the light pole meets lightning protection and grounding requirements, 2 ambient temperature: -15-50 degrees Celsius; ambient wind speed: 36m / s; anti-seismic intensity: 8; corrosion resistance: 30 years.
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