Measurement for health and well-being for indoor lighting design

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Nichakorn Hengrasmee
สันต์ จันทร์สมศักดิ์


            This paper is a research study of the criteria and indicators for qualitative measurement from WELL Building Standard, which is a health building assessment criteria and well-being for building occupants. The research study evaluates criterion of quality indoor lighting for health and well-being in comparison with the international standard green building assessment criteria such as BREEAM and LEED together with the Thai Green Building Assessment criteria (TREES). The results of comparison between WELL and the assessment criteria of other 3 green building standards found that when considering the weight of the points in the topics related to the health and well-being, all topics of WELL focus on occupants’ health issues. While 3 others green building criteria give priority to TREES, with the highest order, followed by BREEAM and LEED with 20%, 19%, 16% respectively. However, they were related to lighting only 7%, 6% and 8%. WELL has 16% of healthy lighting related topics, which is more than twice that of LEED, the highest lighting topic ranking first in all 3 criteria from the comparative study. In each of WELL’s health and well-being lighting topics, it is found that LEED is the most consistent in the details as high as 75%, while TREES is only 31% consistent. Results from the study also point out the lighting topics that can be considered as the main topic to be further developed for Thai green buildings standard, which conclude of 4 topics: Glare control, Electric light, Circadian light and visual balance. The additional alternatives of six sub-topics related to technical lighting design can also be considered in development. A set of data is developed in this research for use as a reference to the international criteria, which Will be an important guideline for considering and applying to define the norms and lead to the determination of lighting design criteria for health and well-being of Thailand


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