IEVref:845-09-50ID:
Language:enStatus: Obsolete
Term: work plane
Synonym1: working plane
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Definition: reference surface defined as the plane at which work is usually done

NOTE – In interior lighting and unless otherwise indicated, this plane is assumed to be a horizontal plane 0.85 m above the floor and limited by the walls of the room. In the USA the work plane is usually assumed to be 0.76 m above the floor, in the USSR 0,8 m above the floor.


Publication date:1987
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