Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/226783
Title: EFFECTIVENESS OF BIM-BASED ENERGY ANALYSIS OF BUILDINGS IN SINGAPORE
Authors: LIM CHI PHENG GORDON
Keywords: Building
design
efficient
energy
gbXML
information
interoperability
model
modelling
performance
simulation
systems
thermal
Issue Date: 2022
Citation: LIM CHI PHENG GORDON (2022). EFFECTIVENESS OF BIM-BASED ENERGY ANALYSIS OF BUILDINGS IN SINGAPORE. ScholarBank@NUS Repository.
Abstract: With rising need to combat climate change, the Building and Construction Authority (BCA) has in 2021 released a newer version of Green Mark 2021 to set higher green building standards in Singapore’s Built Environment to help Singapore’s commitment to the Paris Agreement. In addition, BCA has also set in place digitalisation roadmap for the construction industry in Singapore, emphasizing the need for digitalisation evolution, by pushing for Building Information Modelling (BIM). As such it is ever more important to utilize building energy analysis and simulation (BES) to help Singapore’s built environment in reducing energy consumption especially for new buildings and this would in turn reduce carbon emissions generated by both the building and at the source of energy provided to the building. BES is not an easy task, as it requires a substantial amount of information and a 3D representation of the building to accurately simulate the energy consumption of the building. BES does not only provide a simulation of a building but also aids building designers such as architects, engineers, and consultants in making the best design decision with respect to daylighting, computation fluid dynamic and thermal load analysis. It is thus essential to study how BES can tap on the potential of BIM in terms of reducing the modelling times, enhance flow of information and as a result improve collaboration between building designers and even other stakeholders in the project. The study utilizes a model of SDE 2 to conduct experiments on various BES and BIM-based BES workflows to test data interoperability, which is a key to collaborative efforts. The various software used in the study are DesignBuilder, IESVE, Revit and ArchiCAD. The results had shown that while there are notable differences in building simulations results between a BIM-based BES workflows and a traditional BES workflow, the preparation of a model suitable for data interoperability may take as much time as modelling one that would not significantly improve the processes of a traditional BES workflow. Thus, there is a need to raise awareness in this aspect to enhance BES processes so that it can assist building designers better in creating green and sustainable buildings.
URI: https://scholarbank.nus.edu.sg/handle/10635/226783
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