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Table 2 Cost overruns in construction projects

From: Managing project risks and uncertainties

Project Cost ($billions) Cost overrun (%)
Initial estimate Possible final
Gautrain 3.38 3.5 104
New Multi Products Pipeline 2.25 2.4 107
Medupi Power Station 12.24 22.2 181
Ingula Pumped Storage Scheme 1.4 3 214
Gauteng Freeway Improvement Project 3.1 10.4 335
Nklandla - President Zuma’s residence 0.00431 0.0274 636
  1. Values are in 2014 US dollars. Estimates from information in the public domain.