# Facilitators and Barriers in Applying Building Information Modeling (BIM) for Construction Industry
## 3 Results  
### Basic Information  
According to the survey results, the majority of respondents are in between the 30s and 40s, a total of 84% from the entire respondents. Regarding their backgrounds, 56% of respondents were coming from civil engineering background, 14% are from electrical and mechanical engineering, 4% are from architecture, and 2% are not directly related to AEC industries. In terms of affiliations, about 50% are coming from government bodies mostly relating to job ordering and procurements. About 25% are coming from BIM firms, where their works are mainly about BIM making and management, about 15% of respondents are from construction, and less than 7% are from architectural firms. As a consequence, the majority of the respondents' work scope relates to BIM creation and management, about 17% relates to procurement and job ordering, 15% are in architecture jobs, and about 2% relates to actual construction. In terms of the number of experience, about 36.7% shows less than 5 years in the industry, about 20% have 5 to 10 years' experience. About 42.8% from the respondents show longer than 10 years of experience in the industry. This could be interpreted that most of respondents from this survey is coming with a decent background \begin{table}
\begin{tabular}{c c c} \hline \hline
**Fields** & **No.** & **Questions** \\ \hline \multirow{8}{*}{BIM for Design and Construction} & 1 & Advantage of Using BIM in Design Stage \\ \cline{2-3}  & 1-1 & Most relevant work of using BIM in design stage \\ \cline{2-3}  & 1-2 & Obstacles of using BIM in design stage \\ \cline{2-3}  & 1-3 & Role of BIM professionals for design stage \\ \cline{2-3}  & 1-4 & Required level of expertise for BIM professionals \\ \cline{2-3}  & 2 & Advantage of Using BIM in Construction Stage \\ \cline{2-3}  & 2-1 & Most relevant work of using BIM in construction stage \\ \cline{2-3}  & 2-2 & Obstacles of using BIM in construction stage \\ \cline{2-3}  & 2-3 & Role of BIM professionals for construction stage \\ \cline{2-3}  & 2-4 & Required level of expertise for BIM professionals \\ \cline{2-3}  & 3 & Most Wanted BIM Work for Railway Design \\ \cline{2-3}  & 4 & Most Wanted BIM Work for Railway Construction \\ \cline{2-3}  & 5 & Using BIM for Quality Management of a Project \\ \cline{2-3}  & 6 & Advantages of BIM in Ordering and Procurement \\ \cline{2-3}  & 7 & Difficulties of Using BIM in Ordering and Procurement \\ \cline{2-3}  & 8 & Necessity of Proper Compensation System for BIM Use \\ \cline{2-3}  & 8-1 & Appropriate compensation for BIM use in design stage \\ \cline{2-3}  & 8-2 & Appropriate compensation for BIM use in construction stage \\ \hline \hline \end{tabular}
\end{table} 
Table 1: \(Cont.\)and could indicate that most of them started their career long before BIM was implemented in actual practice. The authors asked more specifically about respondents' experience in rail projects and about 62% of the respondents show less than 5 years of experience in railway projects. About 22% answered that they have longer than 10 years of experience in railway industry. Figure 1 illustrates respondents' affiliations and experience levels. In terms of respondents' familiarity with BIM, about 29% answered they do not know or not familial with BIM at all. The majority, about 43% showed they have moderate knowledge in BIM and this relates to just 3D working environment, not BIM as a complete data management platform. Among answers, about 17.6% responded that they know BIM very well and it means that only less than 20% of respondents understands BIM as a tool with nD capability. In terms of respondents' relativity of their works with BIM, about 43% replied that their works have low to very low connection to BIM. On the other hands, about 24% from the respondents' showed moderate to high relevance of BIM to their works. The results show an interesting result that most of respondents hold reasonably longer experience in their industry but less than half of them are familiar with BIM or their works are not directly related to BIM in general.