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Thorn improves learning environment at Gelliswick Primary School, Wales


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  • Lamp efficacy

    Lamp efficacy

    Ensuring the lamp efficiently converts electricity into light (lm/W).

  • Ballast classification

    Ballast classification

    Controlling the electricity supply to the lamp (Energy Efficiency Index).

  • Luminaire distribution

    Luminaire distribution

    Controlling light emission using optics which bend and shape the light to the correct location.

  • System efficacy

    System efficacy

    Combining optical and thermal control within the luminaire (luminaire lm/W).

  • Presence/absence detection

    Presence/absence detection

    Presence: Lights automatically turn on/off with movement. Absence: Lights automatically turn off and must be manually switched on.

  • Daylight detection

    Daylight detection

    Artificial lighting which responds to the natural light conditions.

  • Constant illuminance

    Constant illuminance

    A function designed to produce correct light levels for the duration of the maintenance period.

  • Task-scene setting

    Task-scene setting

    Allowing the user to set scenes and adapt the lighting to different tasks.

  • Timed off

    Timed off

    Automatic cut-off can be installed to turn all lights off during unoccupied hours.

  • Task lighting

    Task lighting

    Lighting task areas with the correct amount of light.

  • Zoning of lighting

    Zoning of lighting

    Lighting is zoned according to area use.

  • Maintenance schedule

    Maintenance schedule

    Maintenance must be performed in response to product age, performance and environment.

  • Waste light

    Waste light

    Eliminating waste light which does not hit the intended target.

  • Reflectance


    Taking advantage of light which is reflected from the surface within the space.

  • Visible smart metering

    Visible smart metering

    Results of actions can be quickly seen as increased or decreased energy use to encourage responsible energy consumption.

The challenge

When Pembrokeshire County Council in Wales decided to build a new primary school in the town of Milford Haven, its aim was to create a flexible modern learning environment.

The £12 million, 515-pupil Gelliswick Primary School  replaces two older schools, and is one of several being built under the 21st Century Schools Programme, a £150 million initiative by Pembrokeshire County Council and the Welsh Government. In addition to the school, the site also includes an early years unit for 60 children under five, a complex needs unit for 24 pupils and other facilities for the local community.
A key requirement of the project was to create a better learning environment, improve wellbeing and attendance levels, and raise standards, as well as providing dedicated facilities for family integration.

The lighting solution

Thorn worked closely on the Gelliswick Primary School project with consultants Hoare Lea Cardiff, and M&E contractors Highadmit Projects, based in Beddau.

To create the desired environment, Thorn’s next-generation IQ Wave luminaires were chosen for the classrooms and offices. IQ Wave is a smart recessed LED luminaire featuring intelligent controls, optics, design and installation, creating a smooth, homogenous illuminance with no visible LEDs. Low glare (UGR 19) ensures a comfortable ambient light, while high efficacy (>100lm/W) achieves significant energy savings in comparison to traditional light sources. IQ Wave provides excellent lighting quality, high user comfort and a communicative working environment.

Thorn’s Chalice downlights, in the school’s corridors, enables a 60% reduction in energy usage compared to conventional fluorescent downlights. Chalice is available in a warm 3000K colour temperature, or a neutral 4000K, and its lifetime of up to 50,000 hours significantly reduces maintenance demands. Cetus, Thorn’s recessed LED downlight sealed to IP44, illuminates the school’s bathroom areas.

Thorn’s IP65-rated Aquaforce LED luminaires provide the required lighting levels in the school’s storage areas. The durable Aquaforce LED range from Thorn provides the highest level of light, efficiency and reliability in harsh wet and dusty environments, and is robust enough to withstand impact. Energy consumption and costs are reduced, and further savings come from longer maintenance lifecycles.

Emergency lighting throughout the facility is provided by Voyager C, a high-performance, surface-mounted, emergency lighting luminaire with an open area optic and three-hour manual test. Voyager C can be operated in either maintained or non-maintained modes.

The result

The school’s new lighting provides even illumination with low glare, ideal for learning. At the same time, energy and maintenance costs have been significantly reduced. The lighting solution provided by Thorn has helped the school to provide the best quality education to all children in the area and the best services to the local community.