Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/220619
Title: EVALUATION OF THE IMPACT THAT GREEN MARK SCHEME HAS ON INDOOR AIR QUALITY THAT AFFECT THE HEALTH OF OCCUPANTS IN THE OFFICE BUILDINGS
Authors: TAN HUI WOONG
Keywords: Building
PFM
Project and Facilities Management
Tham Kwok Wai
2014/2015 PFM
Issue Date: 25-Jun-2015
Citation: TAN HUI WOONG (2015-06-25). EVALUATION OF THE IMPACT THAT GREEN MARK SCHEME HAS ON INDOOR AIR QUALITY THAT AFFECT THE HEALTH OF OCCUPANTS IN THE OFFICE BUILDINGS. ScholarBank@NUS Repository.
Abstract: The introduction of Green Mark Scheme (GMS) for buildings in Singapore by the Building and Construction Authority (BCA) emboldens Indoor Environmental Quality (IEQ) embracing healthier and improved Indoor Air Quality (IAQ) for occupants in the workplace. Green Mark certified office buildings are anticipated to provide better IAQ than Non-Green Mark certified office buildings. IAQ is the key to the comfort and well-being of office occupants. Nevertheless, it has also been discussed in some studies that green buildings does not necessarily provide a more comfortable and satisfying workplace for the building’s occupants. In this study, the objectives are: (1) To evaluate the IAQ and its health effects on occupants in Green Mark certified office buildings and Non-Green Mark certified office buildings, (2) To determine whether the prevalence of SBS symptoms are associated with occupants’ perception, personal factors and the level of indoor air pollutants in both Green Mark certified office buildings and Non-Green Mark certified office buildings, (3) To determine whether occupants in a Green Mark certified office buildings experience better IAQ and perception as compared to occupants in Non-Green Mark certified office buildings. Objective measurements and subjective measurements were carried out and further analysed. Findings from the subjective measurements showed that Green Mark certified office buildings do provide better occupants’ perception in terms of air temperature, air movement and humidity than Non-Green Mark certified office buildings except for the perception on air quality. However, subjective measurements suggested that Green Mark certified office buildings do not have a lower mean number of SBS symptoms. Some symptoms have a greater proportion of occupants in Green Mark certified office buildings experiencing them. In addition, analysis of the IAQ parameters revealed that Green Mark certified building do provide better IAQ. In both types of office buildings, “perception of air quality” is the most significant predictor of SBS symptom score. Limitations of this study include the subjective biasness associated with survey questionnaires, applicability of the results may not be relevant for other types of buildings and also, the inconsistent occupancy rates at each sampling location.
URI: https://scholarbank.nus.edu.sg/handle/10635/220619
Appears in Collections:Bachelor's Theses

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