| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of lighting equipment renewal performed on a roof for a large-scale building such as a factory or a warehouse and contributing to energy and resource conservation, to replace a renewal method performed on a floor that poses difficulties in the renewal work and prevents enjoying benefits of highly efficient LED lighting equipment.SOLUTION: A method for installing, maintaining and renewing lighting equipment performed on a roof conserves energy of a large-scale building often provided with a folded-plate roof or roofs of other light-weight roofing materials, and ensures safe and efficient renewal work with a lighting equipment fitting device 40 that may be fixed without using a tool on the roof and a cart used with the folded-plate roof.SELECTED DRAWING: Figure 2 |
