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Table 11 The amount of total cost reduction and value study costs of the projects (IRR)

From: Evaluation of influential value engineering factors on the function of interchanges: case studies in Iran

Name and location of the interchange

Construction cost reduction (IRR)*

Total cost reduction (IRR)*

Khawrazmi (karaj)

−65,753,077,500

−65,753,077,500

Rezvan-rahmat (shiraz)

−15,000,000,000

−117,600,000,000

Chamran-Jalal Al-e-Ahmad (Tehran)

37,111,000,000

−261,917,000,000

Shahed-jadeh ghouchan (mashhad)

−97,417,240,000

−97,417,240,000

Simon Bolivar-Yadegar-e-Emam (Tehran)

165,264,000,000

−1,289,981,000,000

Sepah Square (karaj)

−120,672,103,640

−173,188,603,145

Jomhouri Square (karaj)

−26,772,086,000

−38,423,297,837

Rezvan-koneh bist (mashhad)

−90,000,000,000

−211,000,000,000

  1. *In the year of the research (2017), each Iranian rial (IRR) was equal to $0.00003