## 4 Results and Discussion
### Factor Analysis
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline  & & \multicolumn{2}{c}{**Extraction**} & \multicolumn{2}{c}{**Rotation**} & \multirow{2}{*}{**Code**} & \multirow{2}{*}{**Risk Factor**} \\
**Risk Factor** & **Extracted** & & & **Sum of** & **Sum of** & **Factor** \\
\begin{tabular}{c} Failure to identify \\ cost-value relationships \\ \end{tabular} \\ \cline{3-6}
1 & 22.380 & 33.909 & 9.132 & 0.780 & R14 & \begin{tabular}{c} Failure to link or identify \\ performance-to-cost relationships \\ \end{tabular} \\ \cline{3-6}  & & & & 0.600 & R8 & \begin{tabular}{c} Failure to consider the cost of \\ losing potential revenue \\ \end{tabular} \\ \cline{3-6}  & & & & 0.598 & R12 & \begin{tabular}{c} Failure to appropriately locate \\ cost-to-function allocation \\ \end{tabular} \\ \cline{3-6}  & & & & 0.528 & R9 & Uncertainty about prices \\ \cline{3-6}  & & & & 0.425 & R5 & \begin{tabular}{c} Inappropriate cost \\ evaluation criteria \\ \end{tabular} \\ \hline  & & & & 0.858 & R27 & \begin{tabular}{c} Failure to identify appropriate \\ alternative function \\ \end{tabular} \\ \cline{3-6}  & & & & 0.788 & R26 & \
\begin{tabular}{c} Unsuitable functional analysis \\ \end{tabular} \\ \cline{3-6}  & & & & 0.744 & R25 &
\begin{tabular}{c} Failure to identify and \\ understand functions \\ \end{tabular} \\ \cline{3-6}
2 & 4.154 & 6.294 & 8.332 & 0.691 & R24 & \begin{tabular}{c} Failure to examine attributes \\ which have no useful function \\ \end{tabular} \\ \cline{3-6}  & & & & 0.539 & R23 & \begin{tabular}{c} Failure to consider changes to \\ current design standards \\ \end{tabular} \\ \cline{3-6}  & & & & 0.481 & R59 & \begin{tabular}{c} Failure to identify complex items \\ or processes with little or no \\ value added to the facility \\ \end{tabular} \\ \cline{3-6}  & & & & 0.529 & R47 & \begin{tabular}{c} Failure to consider implication of \\ environmental risks \\ \end{tabular} \\ \hline  & & & & 0.822 & R61 & \
\begin{tabular}{c} Lack of considering early failure \\ of components and equipment \\ \end{tabular} \\ \cline{3-6}  & & & & 0.726 & R60 &
\begin{tabular}{c} Failure to consider rate of \\ deterioration of components \\ \end{tabular} \\ \cline{3-6}
3 & 3.418 & 5.179 & 7.630 & 0.709 & R65 & \begin{tabular}{c} Incorrect estimated cost \\ of maintenance \\ \end{tabular} \\ \cline{3-6}  & & & & 0.641 & R62 & \begin{tabular}{c} Failure to consider delay and \\ higher cost due to bad weather \\ conditions during construction \\ \end{tabular} \\ \cline{3-6}  & & & & 0.626 & R63 & \
\begin{tabular}{c} Incorrect cost estimate \\ energy used \\ \end{tabular} \\ \hline  & & & & 0.843 & R46 &
\begin{tabular}{c} Limited knowledge of \\ maintenance issues \\ \end{tabular} \\ \cline{3-6}  & & & & 0.734 & R48 & Lack of background information \\ \cline{3-6}
4 & 2.988 & 4.527 & 6.613 & 0.639 & R44 & \begin{tabular}{c} Failure to consider increase in \\ routine maintenance \\ \end{tabular} \\ \cline{3-6}  & & & & 0.592 & R45 & \
\begin{tabular}{c} Failure to consider increase in life \\ cycle replacement \\ \end{tabular} \\ \cline{3-6}  & & & & 0.540 & R39 &
\begin{tabular}{c} Failure to consider design impact \\ on operating efficiency \\ \end{tabular} \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Summary of factor analysis for risk factor components.