Over the past year or so, complaints about the light levels in the manufacturing areas have been increasing. The lamps are metal-halide. The last relamping was a couple of years ago, so the cause can’t be that the lamps are approaching their end of life. The production superintendent met with a lighting consultant who recommended a complete redesign of the lighting system. But the fact that the consultant wanted the redesign job and the fact that the lighting was deemed sufficient for ...

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