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Residents Complain About A Darker Shade
Residents have complained that the South Lanarkshire side of a street in King’s Park is darker than the Glasgow side.
King’s Park Avenue lies in both South Lanarkshire and Glasgow City Council.
Complaints from several locals, saying the lighting on the Glasgow side was notably brighter than on the South Lanarkshire side.
Philip Johnston, from Cambuslang, runs his own video production company and said he was “stunned” by the difference in the lighting standards.
Mr Johnston carried out his own light readings and said the South Lanarkshire LED lights on King’s Park Avenue vary between 14-21 lux, while the Glasgow City Council LED lighting on the street reads at 40 lux.
The lux is the unit of illuminance, measuring luminous flux per unit area.
He said: “Driving down King’s Park Avenue, I can’t believe the difference.
“In my opinion with 30 years experience as a lighting cameraman the South Lanarkshire LED lighting is dangerous not only for pedestrians crossing the road but a bigger danger to ladies walking along the darker pavements and is a health and safety nightmare.”
According to Glasgow City Council, the lighting on their side was upgraded around 2007, as part of the original conversion to white light.
Their street lights use 250W Metal Halide lamps
A Glasgow City Council spokesperson also pointed out that it is possible that the Glasgow side of the road is slightly over illuminated compared to current standards and the replacement lighting within South Lanarkshire is appropriate.
They added that Mr Johnston’s readings “were confusing lighting terms and not comparing comparable parameters”. And that the “measure of light levels i.e. 40 lux is not comparable with the statement of brightness, which is a different parameter”.
South Lanarkshire Council said the L.E.D. luminaires installed at King’s Park Avenue are 60W units containing 48 individual L.E.D.s. They have electronic control gear and are dimmed by 30 per cent from midnight till 6am.
Gordon Mackay, Head of Roads and Transportation Services, said the council received three complaints regarding the lighting at King’s Park Avenue.
As a result they carried out a lighting survey and found that the readings complied with current British Standards: “The lighting in King’s Park Avenue, Rutherglen, was replaced with new LED lighting in October 2014.
“Previously Low Pressure Sodium (SOX) lighting was used, which distributes light over a larger area and means that buildings, driveways and gardens were illuminated as well as the carriageways and footways which we have a responsibility to light.
“The use of more efficient LED light sources will help the council to reduce energy consumption together with carbon emissions.
“The more concentrated light also mean there is less overspill
of light into adjacent properties.”