Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 44·7.2
Zones of visibility for adjacent side panels
Any side panel wider than 450 mm that is adjacent to a door or gate requiring zones of visibility must also have zones of visibility.
Any side panel that is more than 450 mm wide and is adjacent to a door or gate, that is required by paragraph 7.1 to have zones of visibility, should also have zones of visibility. See Diagram 7.1.
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