Public Lighting

May 31, 2022

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Public lighting is the essential for the city constriction , to show the civilization level of the city. The gov financial budget for pubic lighting is quite a huge spend cos Public lights are important for ensuring road safety at night and enhancing the public realm of the city.,

So to offer economic , high efficiency and clean energy lighting solution is becoming more and more necessarily.

Public  Lighting

Current city lighting plan mainly divided into grid  lighting and renewable solar energy lighting.

Grid lighting is traditional choice for most city, and now it’s very mature in the world, but due to energy problems, some countries are quite hard to get the grid fully satisfied the residents daily need, and also the grid cost higher. So solar lights become popular with its grid free, no such grid line foundation construction limitation. For some big cities in Africa, they also turn to solar light, such in Uganda, Kenya, Cameroon,etc

How to design the lighting proposal scientifically?  International organizations issued the standard against it, the Luminaries should following the EN 13201, We mainly design  based on the following factors:

Class

The luminance of the road surface of the carriageway for the dry
 and wet road surface condition

Disability glare

Lighting of surroundings


Dry conditions

Wet

Dry conditions

Dry conditions


 L
[minimum
maintained]
cd·m2

Uo
[minimum]

Ul a

[minimum]

 

Uowb

[minimum]

 

fTIc

[maximum]%

 

REId

[minimum]

M1

2,00

0,40

0,70

0,15

10

0,35

M2

1,50

0,40

0,70

0,15

10

0,35

M3

1,00

0,40

0,60

0,15

15

0,30

M4

0,75

0,40

0,60

0,15

15

0,30

M5

0,50

0,35

0,40

0,15

15

0,30

M6

0,30

0,35

0,40

0,15

20

0,30

Light distribution

As the over 25 years  professional outdoor lighting manufacture, Phoebus Outdoor Lighting is experienced in designing the public lighting plan, and completed numerous project all around world. 


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