Street Lighting Design Calculation

The width of road is 11 5 foot.

Street lighting design calculation.

Luminaries are properly selected and mounted on a location most feasible and effective with minimum cost. This calculations based on high pressure sodium hps lamp type which is. Calculate distance between each streetlight pole having following details road details. Calculate voltage drop of cable for street lighting poles voltage is 230 400 v 3ph power factor is 0 85 allowable voltage drop up to 3 max.

The height of pole is 26 5 foot. Luminaire of each pole. For a 230 volts system a voltage drop of 5 is allowed although in extreme cases 15 voltage drop is sometimes tolerated. 1 calculate distance between each street light pole.

Street illumination level in lux e al x cu x mf w. This voltage drop calculations is valid for street lighting landscape lighting and site lighting using table mv a m and r x method for single three phase. Also excel file attached. The top standard of road lighting design is rp 8 00 which is published by ies american standard.

Street lighting design in lighttools 2 how street lighting calculations are performed slu assumes that street lamps are far away from the surface that they illuminate so their intensity distributions positions and orientations are the only required data to calculate the test metrics in addition to the rtable. Street lighting schemes never brings the same appearance of daylight but provide sufficient light for people to see important objects required for traversing the road. Digital design files from agi32 are to be provided to the city along with line loss. Many parameters shall be considered in road lighting calculations this post only provide brief of this calculations by both manual and software methods the following procedure for software only.

Street lighting design is the design of street lighting such that people can safely continue their travels on the road. Street lighting is to be designed using the illuminance method for calculations prepared with agi32 software.