Conventional lighting for urban road lighting

The conventional lighting installation is simple, economical, and the height of the lamppost is not more than 12M, so it is necessary to maintain and manage the special hydraulic high-altitude operation vehicle. The arrangement of the conventional lighting fixtures can be divided into five basic ways: one side arrangement, two side staggered arrangement, two side symmetrical arrangement, central symmetrical arrangement and transverse suspension arrangement. The conventional way of lighting, should be selected according to the form, and the width of cross section of road lighting requirements, the choice should pay attention to the overhang length should not exceed the installation height of the 1/4 lamp, the lamp should not be more than 15 elevation "; in addition, layout, lighting installation height and spacing reference below were estimated, table effective the width of pavement (m) rough cough.