Table 6.

Savings from OSM versus on-site project

CostsOSMOn-site% Savings
(=/−)
Design cost€90,000€60,000−50% (−30,000)
Build cost€250,000€440,000+43% (+190,000)
Total€340,000€500,000+40% (+160, 000)
Total saving with OSM€320,000= 32% savings overall
Source: Authors’ own

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