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It has been argued that the “green” building has a better indoor environment quality than the conventional building. This concern for the poor indoor environment quality of the building will cause symptoms of “sick building syndrome” and will affect the health of occupants. In addition, energy efficiency is fundamental to attain sustainability in green buildings. But there is no evidence directly showing us that a green building is more comfortable and satisfactory than a conventional building. This research determines the difference in indoor environment quality (IEQ) of both buildings through finding out the parameters of IEQ and testing the occupants' perception and satisfaction. A green building and a conventional building will be targeted, and a list of questionnaires will be given to the occupants to obtain their perception and their satisfaction level. The responses from the occupants of the different buildings will be compared to look into the difference.

The adoption of 3D modelling in construction has contributed many benefits to the industry, yet some of the construction players are still either unfamiliar with the software or not utilizing the software to its fullest potential. The objectives of this research are to determine the challenges faced in 3D modelling software, to postulate the solutions based on the identified challenges in 3D modelling software, and to investigate the strategies of 3D modelling in the QS profession. A qualitative method of research will be carried out to acquire the data and opinions from the quantity surveyors in the construction sector. Based on the findings, financial issues are the most significant challenges on 3D modelling, whereas training for construction staff and enforcement from the government is the most impactful solution and strategy. This study can boost the construction players' confidence in integrating 3D modelling in the construction industry. It also brings higher efficiency in daily operations and helps to improve the productivity of workers.

The rapid expansion of urbanization resulted in the necessity of providing more spaces. Due to the insufficient internal spaces, external spaces were used to complement the functionality of spaces on the university campus. However, thermal comfort in the external spaces was much more difficult to control as compared to internal spaces. Thus, it was crucial to identify the parameters affecting thermal comfort. This study presented a fieldwork measurement and personal satisfaction survey to evaluate the microclimate characteristic of the external space as well as the satisfaction of occupants. Findings revealed there was a high level of thermal discomfort in the study spaces that encountered a strong impact from the parametric thermal environment. Hence, the recommendation to take thermal comfort into consideration during the design stage was proposed. The study concluded that a well-performed building would have a great level of thermal comfort and as a result, high frequency and satisfaction of usage of spaces could be achieved.