Revised schedule of lighting requirements.
The most obvious changes are to be found in the revised tables in Chapter 7 – the list of specific lighting requirements. The layout is changed and additional considerations have been introduced. As well as the previously required illuminance, which specifies the lowest maintained value in the activity area, there is now an additional, higher modified value, and requirements for mean cylindrical illuminance, walls and ceilings are specifically listed in the tables.
Below is an example table from the BS EN 12464 document:
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