Name: Primary school Eriksbergsskolan
Segment: Primary School
Location: Uppsala, Sweden
Lighting design: Let It Light (LIL)/Rexel
Project Manager: SLE studio - Michal Elečko
Description: The lighting requirements in educational institutions in Sweden are strictly given. Therefore, the project company Let It Light opted for cooperation with a flexible partner. SLE offered the solution that outreached the expectations and helped to create a stimulating and inspirational space with optimal conditions for learning. On the following lines, you can read a case study about Eriksbergsskolan in Uppsala, Sweden. However, in the past few months LIL in cooperation with SLE worked on many similar projects, for example in Uppsala, we did 20 classrooms in Bracklösaskolan, 20 classrooms in Tunabergsskolani, 25 classrooms in Söraskolan, 4 classrooms in Säterskolan in Säter, 2 classrooms in Kristina Gymnasium in Falun and 8 classes in a school in Kiruna.
The Lighting Solution
For lighting of classrooms and other learning spaces we use the lighting solution Modern Light in Schools. LED luminaires we use shed light both upwards and downwards, which makes the fixtures the most appropriate choice for classroom lighting. Simultaneous horizontal and vertical illumination increases alertness and improves performance, avoids the so called cave effect and uniforms the lighting conditions on all surfaces.
The luminaires used in Sweden are a customised version of the classic direct-indirect suspended luminaire. They have clear lines, dimming with prismatic PMMA diffuser, colour rendering index 80, and excellent UGR less than 19, which complies with EU norms for indoor workplace areas.
In Erilsbergsskolan, we changed the lighting system in 10 classrooms. Standard Swedish classrooms are approximately 72 square meters large and 3 meters high. We aimed to reach at least 500 lux on the desk surface.
The old system in one classroom consisted of nine 2 x 36 W fluorescent lamps for general lighting and two 36 W fluorescent lamps above the whiteboards. In the new system, we used nine 40 W luminaires with LED technology, which saved around 45 % on energy consumption. Additional two LED luminaires 21 W were used for vertical illumination of the whiteboards, which saved 31 % on energy consumption. Blackboard luminaires were also specially adjusted so that the potential glare be totally eliminated and the uniformity be maintained at absolutely constant level, i.e. there won’t be any shadows or dark areas while working with the board. The overall savings with LED luminaires in one classroom were 44 % (not including the savings which were provided by the lighting management system).
Lighting Management System
The lighting management system applied in Eriksbergsskolan makes use of daylight and motion sensors. Daylight intensity sensor sets up the optimal light level, adjusting it in accordance with the available natural light, whereas motion sensor helps to save energy when no movement is detected in the classroom and switches the whole lighting system off automatically during breaks and after the classes are over.
Savings on energy result not only in savings on operation costs, but also on maintenance expenses as the lifetime of sources are prolonged by the effective use only when needed.
The school in Uppsala can now pride itself on one of the most modern lighting systems among European schools. Besides great savings on energy and money, LIL in cooperation with SLE created best possible lighting conditions for a learning space. Optimal lighting lengthens the span of attention, enhances ability to concentrate and work efficiently. Also Mr Micael Őstlund, the Technical Manager of the school, said:
The classrooms look a whole lot different. The change in quality of light is obvious at first sight and I dare to say the new system is incomparable with the old lighting. We are happy that we provide our kids with education in the best conditions possible.
It is true, atmosphere in the classrooms with the new lighting by LIL/SLE changed completely, plus the school management can expect incredible savings yet after the first electricity check. See the pictures which prove that lighting can really significantly improve the learning experience which our kids encounter every day.
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