Lighting system evaluations of working space in educational building, Universitas Indonesia

This paper aims to evaluate the natural and artificial lighting systems for working space at the educational building in Universitas Indonesia. The doctoral working spaces and innovation laboratories are used as the case studies. The evaluation variables include orientation, openings, and lighting placement. The presence of variables can minimize the use of artificial lighting during the operating hours with clear sky conditions according to the SNI. The tools involved in this study are Lux meter and DIALux evo version 9.2 to perform the direct measurement and simulation. This study found that the lighting planning has fulfilled the SNI standards for doctoral working space with a minimum of 350 Lux and innovation laboratories which require 500 Lux. The direct measurement results of lighting range utilizing the natural light show output with an average of 182.8-1,278.1 Lux and the combination with artificial light from 222-1,883.8 Lux. Meanwhile, for the DIALux evo simulation, each room has exceeded the lower limit of lighting criteria between 403-3,739 Lux.

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