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How LED lighting helped Forth Ports win as Edinburgh's greenest company.
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LED lighting helps Forth Ports win green award
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DialightLED lighting helps Forth Ports win green award
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DialightLED lighting helps Forth Ports win green award
Port of Leith, Edinburgh
In March 2013 Forth Ports was named Edinburgh’s greenest company in awards that recognise the city’s best businesses. Lighting innovations at Leith docks were among the initiatives that helped the UK port operator clinch the prize at the Edinburgh Chamber of Commerce Business Awards. There was more to the lighting improvement, however, than just its green credentials.
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DialightLED lighting helps Forth Ports win green award
Lighting challenges
This is Shed 3 – a specialist bulk store for storing food commodities, most often grain
It’s an environment where spontaneous ignition is possible and dust a constant hazard
The 400W SONs were clearly struggling to provide adequate illumination - each one actually drawing about 440W
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DialightLED lighting helps Forth Ports win green award
Lighting challenges
Lamp replacement could only be carried out when the shed became empty of cargo
That could mean a wait of a few days or even a year
When there is product stored, you can't access the lighting for maintenance
Replacement lights would have to have long life and need limited maintenance
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DialightLED lighting helps Forth Ports win green award
Lighting challenges
In the workshop 400W HPS high bays caused work delay by taking up to 30 minutes to re-strike
The need for regular replacement involved clearing the floor of plant being worked on so that the scissor lift could be used to access fittings
In the cruise ship terminal lamp replacement involved team of 3 men
The scissor lift had to be taken there via public highway with a two-vehicle escort, then dismantled to get through the door and re-assembled inside
Having to work around cruise ship timetables and staff scheduling meantfailed lights could end up waiting a while, never mind the cost
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DialightLED lighting helps Forth Ports win green award
The solution
It must be a food product safe luminaire to avoid dust build up and comply with food regulations
Solution 113x400W SON high bays replaced in Shed 3 with 8x172W Dialight LED high bays
Solution 2400W HPS in workshop and cruise terminal replaced with 150W Dialight LED high bays
Traditional HPS high bay v Dialight LED high bay
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DialightLED lighting helps Forth Ports win green award
The result
Changing to LED resulted in >75% energy saving in Shed 3
Over 60% saving in the other areas
Options to introduce presence and daylight detection to further improve efficiency
Equivalent CO2 reduction in all areas
CO2 emissions cut by 0.4 tonnes per
light annually
Burden of maintenance eliminated as each LED high bay carries Dialight's 5-year performance warranty
Shed 3 after changing from 13 x 400W SONs to 8 x 172W LED high bays
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DialightLED lighting helps Forth Ports win green award
Installation snapshot
400W SON and HPS replaced by 150/172W LED high bays
Maintenance burden and cost eliminated
No more failed lamps or re-strike delays
60-75% reduction in lighting energy use
Improved colour rendition
CO2 emissions cut by 0.4 tonnes per light annually
Options to introduce presence and daylight detection to further improve efficiency
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DialightLED lighting helps Forth Ports win green award
HPS Voluminous bodyFragileTotal power consumption 440WSensitive to voltage change Slow warm-upAccumulation of dirtContains dangerous and harmful gasesHigh CO2 emissions
Low energy efficiency
LED Small and compact bodyResistant to shock and vibrationTotal power consumption 150-172WNon-sensitive to voltage change due to
its wide voltage rangeInstant on/off abilityDoesn’t accumulate dirt, easy to cleanContains no harmful gasesLow CO2 emissions
High energy efficiency
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DialightLED lighting helps Forth Ports win green award
Testimonial
“As one of the UK’s largest ports groups, we take our environmental responsibilities seriously. We are delighted with the reduction of energy consumption achieved with the added benefit of elimination of maintenance and the associated disruption. Together these help us to operate more efficiently and deliver operational benefits while we are also minimising our impact on the environment. We are now actively examining other areas of the business which could benefit from this technology.”
Dr. Derek McGlashan, Environment and Energy Manager, Forth Ports Limited
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DialightLED lighting helps Forth Ports win green award
www.dialight.com
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