Breakdown of “economic” study scope at its different hierarchical levels.
|Study scope (SS)||Criterion (CR)||Oil mill housing||Slag pit housing||Storage depot|
|Economy (SS4)||Cost of executing the work (CR4.1)||0.117||0.089||0.121|
|Construction timeframe (CR4.2)||0.076||0.098||0.092|
|Cost of supplies (CR4.3)||0.054||0.051||0.065|
|Cost of maintenance (CR4.4)||0.116||0.198||0.234|
|Cost of building demolition (CR4.5)||0.075||0.075||0.000|