Impact of Variation Orders on Time and Cost in Mega Hydropower Projects of Pakistan
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...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Penerbit Universiti Sains Malaysia
2016
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| Subjects: | |
| Online Access: | http://eprints.usm.my/41451/1/JCDC_21%282%29_Art_3%2837-53%29.pdf |
| _version_ | 1825834432140935168 |
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| author | Hanif, Hashim Khurshid, Muhammad Bilal Lindhard, Søren Munch Aslam, Zuhaib |
| author_facet | Hanif, Hashim Khurshid, Muhammad Bilal Lindhard, Søren Munch Aslam, Zuhaib |
| author_sort | Hanif, Hashim |
| collection | USM |
| description | 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. |
| first_indexed | 2024-03-06T15:22:39Z |
| format | Article |
| id | usm.eprints-41451 |
| institution | Universiti Sains Malaysia |
| language | English |
| last_indexed | 2024-03-06T15:22:39Z |
| publishDate | 2016 |
| publisher | Penerbit Universiti Sains Malaysia |
| record_format | dspace |
| spelling | usm.eprints-414512018-08-21T01:39:04Z http://eprints.usm.my/41451/ Impact of Variation Orders on Time and Cost in Mega Hydropower Projects of Pakistan Hanif, Hashim Khurshid, Muhammad Bilal Lindhard, Søren Munch Aslam, Zuhaib TH1-9745 Building construction 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 Article PeerReviewed application/pdf en http://eprints.usm.my/41451/1/JCDC_21%282%29_Art_3%2837-53%29.pdf Hanif, Hashim and Khurshid, Muhammad Bilal and Lindhard, Søren Munch and Aslam, Zuhaib (2016) Impact of Variation Orders on Time and Cost in Mega Hydropower Projects of Pakistan. Journal of Construction in Developing Countries , 21 (2). pp. 37-53. ISSN 1823-6499 http://web.usm.my/jcdc/vol21_2_2016/JCDC%2021(2)_Art%203(37-53).pdf |
| spellingShingle | TH1-9745 Building construction Hanif, Hashim Khurshid, Muhammad Bilal Lindhard, Søren Munch Aslam, Zuhaib Impact of Variation Orders on Time and Cost in Mega Hydropower Projects of Pakistan |
| title | Impact of Variation Orders on Time and Cost in Mega Hydropower
Projects of Pakistan |
| title_full | Impact of Variation Orders on Time and Cost in Mega Hydropower
Projects of Pakistan |
| title_fullStr | Impact of Variation Orders on Time and Cost in Mega Hydropower
Projects of Pakistan |
| title_full_unstemmed | Impact of Variation Orders on Time and Cost in Mega Hydropower
Projects of Pakistan |
| title_short | Impact of Variation Orders on Time and Cost in Mega Hydropower
Projects of Pakistan |
| title_sort | impact of variation orders on time and cost in mega hydropower projects of pakistan |
| topic | TH1-9745 Building construction |
| url | http://eprints.usm.my/41451/1/JCDC_21%282%29_Art_3%2837-53%29.pdf |
| work_keys_str_mv | AT hanifhashim impactofvariationordersontimeandcostinmegahydropowerprojectsofpakistan AT khurshidmuhammadbilal impactofvariationordersontimeandcostinmegahydropowerprojectsofpakistan AT lindhardsørenmunch impactofvariationordersontimeandcostinmegahydropowerprojectsofpakistan AT aslamzuhaib impactofvariationordersontimeandcostinmegahydropowerprojectsofpakistan |