Unit blends sunpipe and artificial light
Monodraught has worked with supermarket Waitrose to develop a new retail lighting unit featuring a sunpipe that is integrated into an artificial light fitting. These composite sunpipe assemblies maximise the use of natural daylight, while controlling it, and balancing it with artificial light. Due to the success of the initial installation in customer toilets and offices at the latest Waitrose store at Altrincham, Cheshire, there are plans to extend its use to other spaces.
Monodraught and lighting supplier Luxo were involved at the early stages of the project to integrate a sunpipe and a luminaire. The Luxo luminaires are standard T5 fluorescent office fittings, which were redesigned to accommodate the sunpipe and linked to a simple light sensor, to control light output dependent on the lux level of natural daylight available. The luminaires are controlled by simple local dimming arrangements directly controlling their ballasts.
The new composite sunpipe assembly maximises the use of natural daylight while controlling and balancing it with artificial light. Those fitted in customer toilets and office areas pipe natural daylight from the store’s roof into parts of the building that do not have a natural source of light.