To add mystique to these suggestive surrounds, the in-house technical team decided to add atmospheric lighting in some of the underground chambers. This would have to withstand unique conditions, as the caves have a high humidity factor and are at a constant temperature of 11ºC. Gordon Smith, Wookey Hole Caves' head of technical operations, explains: "Previous lighting systems had perished in such an environment, so we needed to be certain we were installing something that lasted."
Smith decided Tryka L.E.D luminaires were the answer. A total of 14 Strip Modules IP68 in different lengths, 9 Module 36s IP68 with 25º optics and 30 Module 6s MR16 with 25º and 6º optics were installed across four chambers, including the Witch's Parlour and Kitchen. Each one is lit according to the rock formation and water content, with units both above and below water.
Gordon Smith enthuses: "The lighting enhances the formation of the stalactites and stalagmites, enabling visitors to see the natural formation of the caves clearly. It is also cost effective and maintenance is simple when required." He continues: "The lighting design has been well received by the public. We are now fully licensed for civil weddings and the colour options for illuminating the chambers for these events, aside from daily tours, offer a great deal of flexibility. We also run a series of evening 'spooky' tours in the summer and once again L.E.D. lighting is flexible for us to be able to create a different environment for the event."
(Jim Evans)
