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Al Nasseri, H and Aulin, R (2016) Enablers and barriers to project planning and scheduling based on construction projects in Oman. Journal of Construction in Developing Countries, 21(2), 1-20.

Chileshe, N, Reza Hosseini, M and Jepson, J (2016) Critical barriers to implementing risk assessment and management practices in the Iranian construction sector. Journal of Construction in Developing Countries, 21(2), 81-112.

Enegbuma, W I, Aliagha, G U, Ali, K N and Badiru, Y Y (2016) Confirmatory strategic information technology implementation for building information modelling adoption model. Journal of Construction in Developing Countries, 21(2), 113-29.

Hanif, H, Khurshid, M B, Lindhard, S M and Aslam, Z (2016) Impact of variation orders on time and cost in mega hydropower projects of Pakistan. Journal of Construction in Developing Countries, 21(2), 37-53.

  • Type: Journal Article
  • Keywords: cost overrun; mega hydropower projects; Pakistan; time overrun; variation order
  • ISBN/ISSN: 1823-6499
  • URL: https://doi.org/10.21315/jcdc2016.21.2.3
  • Abstract:
    The occurrence of variation orders (VOs) in the construction industry is a regular trend all over the world. Hydropower projects are no exception, and it is difficult to find a hydropower project in Pakistan that does not experience VOs. The current research investigates the causes and impacts of VOs in mega hydropower projects using case studies of three mega hydropower projects in Pakistan. The results illustrate that errors and omissions in design, changes in scope and changes in design were among the three top contributing factors to VOs in hydropower projects that resulted in time and cost overruns. Because of VOs, the time overrun is 20%, and the cost overrun is 31% with respect to the planned time and cost of the project. Based on this research, the study recommends measures to curb the causes and impacts of VOs to optimise the construction process of mega hydropower projects. © Penerbit Universiti Sains Malaysia, 2016.

Kim, S Y, Lee, Y S, Nguyen, V T and Luu, V T (2016) Barriers to applying value management in the Vietnamese construction industry. Journal of Construction in Developing Countries, 21(2), 55-80.

Ofori-Kuragu, J K, Owusu-Manu, D G and Ayarkwa, J (2016) The case for a construction industry council in Ghana. Journal of Construction in Developing Countries, 21(2), 131-49.

Oyeyipo, O O, Odusami, K T, Ojelabi, R A and Afolabi, A O (2016) Factors affecting contractors' bidding decisions for construction projects in Nigeria. Journal of Construction in Developing Countries, 21(2), 21-35.