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MARL International delivers ultra-reliable, low power consumption lighting for London Underground trains

Innovative LED lighting systems are helping to keep the Bakerloo line lights on with improved safety, higher reliability, and lower cost

Ulverston, Cumbria, 26 September 2022 – MARL International has commenced delivery of energy-saving lighting for the Bakerloo line rolling stock operated by Transport for London (TfL). The line’s lighting will be upgraded completely by 2024.

TfL tasked MARL International with designing, manufacturing, and installing a complete retrofit LED lighting system for its 72TS Bakerloo line fleet. Within six months of receiving the brief, the company had designed a brand-new LED lighting system that is now being installed within the Bakerloo line’s fleet of 36 trains and 252 carriages.

Crucial to success was fitting the LED lighting systems into the limited space available, mechanical compatibility with existing lighting mounting points, maintaining the appearance of the carriages, and supplying appropriate illumination levels for passengers when the train is above and below ground.

Adrian Rawlinson, Managing Director of MARL International, commented, “We are proud to have delivered a major upgrade on time and on budget. London’s Underground network is an exceptionally demanding environment, and the LED lighting systems supplied by MARL met and exceeded the operating expectations of TfL.”

The exhaustive development phases started with a large and rigorous set of rail performance and safety design standards. Some 4,000 pages of standards formed the basis of MARL International’s complex Verification and Validation(V&V) design matrix.

TfL’s requirement to deliver reliability led to the creation of an energy storage system, allowing all the train’s interior lighting to run without power for more than three seconds, across track gaps where no power is provided to the train.  Comfort and security are enhanced by keeping the lights on continuously across the Bakerloo line with only very minor intermittent interruptions due to some of the larger traction gaps.

Swapping the dated fluorescent tubes to the new LED lighting system achieved a 50% energy saving, as well as securing substantial savings in energy and maintenance costs.

The fleet’s 4,906 lighting units, including 512 power supply units, a million LEDs and more than three million components were designed and manufactured at MARL International’s Ulverston site.

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industry updates

Shortlist for Ansell Lighting’s Community Campaign Revealed

Voting opens for projects vying for £5k lighting installation prize

Ansell Lighting has announced a shortlist of four projects in its Shine a Light campaign, which aims to recognise and reward the work of community organisations that provide vital support and services.
Entries for the competition, in which the winner will receive a lighting installation worth up to £5,000 to help improve its facilities, flooded in from all over the country. Now four, selected by a team of lighting experts at Ansell, will be put to the public vote.

Spark Community Space, in Southsea, Portsmouth is a charity set up by Becki Simmons after she suffered a brain injury and felt there wasn’t a safe comfortable space for her to spend time. Spark offers access to support and services to people who feel like they don’t ‘fit in’, so they can ‘Spark’ back into life. The charity is about to move into brand new premises and wants to ensure the lighting will cater for all the groups and organisations that will be using the space.

Cleethorpes Band was established more than 140 years ago as ‘brass banding’ became popular in the UK. The band still forms an important part of the North East Lincolnshire community today, performing regularly in the surrounding area.

Its rehearsal room and premises in an old printing works needs lighting renovation to enable players to more easily see their sheet music, and to make the building more welcoming to new members.

From Tiny Seeds Community Interest Company in Holmfirth, Huddersfield, provides free parenting, baby and childcare support to local families. Kate and Tracey, who have both worked in childcare for many years, were approached by the local council to set up the centre in 2021 and they are now hoping to develop a sensory room within the centre to support families with additional needs, as there is currently no sensory service provision within the local area. Lighting plays an important role in a sensory room and so the prize could be transformational for the project.

Elmbridge Community Eco Hub, in Walton-on-Thames, provides a multi-functional safe space and range of community minded activities, including a Community Fridge; a Library of Things, regular Repair Café, Seed Bank, Book/Boardgame/Jigsaw swaps, Skill Share and litter picking sessions, and a huge community garden.

The Hub is housed in a 200-year-old former stable block but the lighting is old and ineffective so improved lighting would help accommodate the different activities the building is used for.

Voting for the four projects is now open via https://shinealight.anselluk.com until Friday
October 14 th . The project with the most votes, which will be announced later in October, will receive a lighting consultation and design, Ansell Lighting products and a contribution of up to £2,000 towards installation by an approved electrician.

Mark Abbott, Managing Director at Ansell Lighting, said: “We were really impressed and also touched by the entries we received – there are some fantastic community projects and organisations out there, mostly run by amazing volunteers, who really do give so much to their local communities.

“We think our shortlist includes a great selection of projects and hope that our friends and customers take some time to read about the work they do and then vote for their favourite. We can’t wait to help the winner to transform its space and expand its good work.”

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industry updates

UK’s first ever sustainability conference for lighting a sell-out success

The Circular lighting live conference and exhibition sold out over a week before the event was due to take place. With 250 registered attendees from specifiers, manufacturers and suppliers, the one day conference, which took place on 22 September, discussed how the lighting industry can make the circular economy a reality.

Chaired by Ray Molony, Editor of Circular Lighting Report, the packed conference room heard key presentations on forthcoming EU and UK legislation, and the plethora of different environmental metrics that exist, including assessments of circularity (TM66), embodied carbon (TM65), environmental product declarations, and life cycle assessments. Practical discussions included how to encourage more remanufacture and reuse in the lighting sector.

The pivotal role of the specifier in encouraging more sustainable lighting was tackled by two panels, both composed of five experts, drawn from across the industry.

The conference was complemented by a vibrant supplier exhibition including a 3D printing demonstration from Platinum sponsor Signify, and other stands from Gold sponsors ASD Lighting, DW Windsor, Lucent, Orluna, Primelight, Silent Design, and Trilux.

Commenting on the event, Recolight CEO Nigel Harvey said
“We have been thrilled by the level of energy and commitment expressed during Circular Lighting Live. It really does seem that we all get it: The really significant changes we need to make to address the climate crisis, and to improve material efficiency.”

“We’ve received overwhelmingly positive feedback. So we’ve already announced that Circular Lighting Live 2023 will take place on 21 September 2023. We will be at a bigger venue, so we will be able to welcome many more delegates and sponsors.”

Gareth Davies, Principal Lighting Consultant at Stantec said
“Great to see this coming to the forefront of the industry. I think this has opened a lot of eyes to the magnitude of the task ahead, and also shown that it is not an impossible goal. A lot of people have realised we are not where we’d like to be and we need to start/accelerate our movement in the right direction. The conference offers a great chance for people to journey together and support one another in this critical area.”

One of the main takeaways of the event was the value of TM66, the CIBSE and SLL specification for circularity in the lighting industry. TM66 is increasingly being seen as a helpful tool to allow specifiers to identify lighting products that are properly designed with circular economy principles.

Nigel Harvey added “Recolight was proud to host Circular Lighting Live. It aligns perfectly with our ambition to desire to support and encourage our industry to become more sustainable. And we did our best to practice what we preach: the programme, delegate list, and feedback form were emailed rather than printed. The venue chosen favoured public transport, rather than travel by car. And even the food was vegetarian, to reduce the carbon footprint.”