Technical Requirements

Road lamp 1, arms for the double single lamps, road lamps from 11.5 meters above the ground, sidewalk lights 8.5 m from ground level, bilateral cross layout, spacing is 50 m. Fast track sources of road lighting source for Mitutoyo 120WLED Street, sidewalk Street lamp light source for Mitutoyo source 80WLED street light. 12m high-mast lighting is generally used on highways, cantilever single double, 400W high pressure sodium lamp.

2, light pole using quality material Q235A steel (Silicon content less than 0.04% of the steel, the reference brand Shanghai Bao Steel and maanshan iron and steel, Shougang,) bending forming of tapered poles, forming a light pole 4mm mm thick steel plate, light pole not included wall thickness zinc layer thickness. Pole mast is tapered rod, sing along, about 85mm in diameter, took about 200mm in diameter. Pick the rod is made of 60mm steel tube, overhanging motorway 1.6 metres in length, sidewalk to 1.2 metres, thickness of 3mm.

3, lamp pole surface is smooth, without any cracks, lack of weld, porosity, undercut, inequalities in a row. Center line of lamp error does not exceed the length of the line 0.02%, Rod looks uneven surface without a trace-free, pole appearance has no obvious flaws.

4, lamp rods welded by automatic argon arc welding, ultrasonic inspection, welding GBl1345 grade standards. Lamp Sockets using screw and screw fixation.

5, light pole by the hot-dip galvanized anticorrosion coating, zinc coating is not less than 75 microns, practicality and smooth surface and color are basically the same, hammer tests no peeling, no peeling, galvanized life no less than 20.

6, pole spray using high quality in outdoor polyester molding powder, colors to be agreed upon, smooth surface, plastic quality, stability, and do not fade, do not fall off, strong adhesion, resistance to intense ultraviolet radiation, life should not be lower than 20, thickness ≥ 80um, conform to ASTMD339-83 standards.