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| Singapore has been expanding underground construction due to land restriction and increase in population. Although Singapore’s MRT construction has already commenced since the 1980s, expansion plans are still in progress. From the current five operating lines, Land and Transport Authority (LTA) had established the addition of two more lines, which are Cross Island Line (CRL) and the Jurong Region Line (JRL), as well as extensions to the Circle Line (CCL), North East Line (NEL) and the Downtown Line (DTL), all of them will be fully underground. Henceforth, underground rail construction works will not be ceasing in the near future, thus safety management in underground MRT projects remains as a crucial point of research. In order to enhance current safety management in the MRT construction industry, a new angle on safety management is required focusing on knowledge management and visualization technologies. This survey aims to investigate the causes of accidents and the main factors affecting safety performance in MRT construction projects. In addition, the survey also serves to study the issues and needs of the current safety management in MRT projects. |
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Q1 Your company works in the MRT construction site as
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| Q2 What is your designation in company? |
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| Q3 How many years have you been working in construction industry? | | | | Q4 How many years have you been involved in safety management? | | |
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| Q5 What are the most common causes for injuries and fatalities in MRT underground construction? Please choose 5 out of the following, drag and rank them accordingly, with 1= the most common and 5= least common |
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| | Falling from height-involves workers falling from higher floors to lower floors or from ground level to excavation level Stuck by falling objects/moving vehicles Excavation-related accidents, eg, collapse of building structures Accident by operation of machinery/tools, eg,collapse of the parts of machinery, toppling of machinery Electrocution Fire/explosion Failure of temporary structure Others-eg oxygen deficiency in confined spaces,etc
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| Q6 What are the most important five factors influencing safety management for MRT construction. Please drag and rank them accordingly (1-Most important 5-Least important) |
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| | Good sub-contractor management Advanced safety control technologies such as visualization technologies and location tracking technologies Adverse physical factors (complex geological and hydrological conditions, complexity of surrounding environment, frequency of bad weather, etc) Adequate handling of equipment, tools and plant Safety policy, safety training and promotion Project knowledge management ( safety-related information of past projects) Accurate hazard identification and analysis Human unsafe behavior due to personal negligence, carelessness and lack of supervision
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| Q7 The issues and barriers in current safety management for MRT construction projects
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| Q8 Risk management in MRT construction site
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| Q9 In tandem with the Singapore government’s plan to improve construction productivity by 25% over the next decade, BCA has come up with a BIM Roadmap 2010 with the aim that 80% of the construction industry will use BIM by 2015. To improve the safety performance in the construction industry, there is a need to look into new methods and tools to prevent fatalities, injuries and occupational diseases. One such tool and method will be the application of Building Information Modelling (BIM). In your opinion, please rate your level of perception how BIM can have an impact on MRT underground construction safety.
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| Q10 In order to improve the safety management performance of MRT construction projects,a conceptual framework for underground construction safety management has been developed. Within which knowledge management, BIM visualization for safety, and augmented reality-based monitoring of risks are integrated.Please rate the level of your perception whether the framework will help to improve safety performance in MRT construction projects.
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