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Abstract
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Article Information:
Factors Causing Variation Orders and their Effects in Roadway Construction Projects
Amiruddin Ismail, Towhid Pourrostam, Amir Soleymanzadeh and Majid Ghouyounchizad
Corresponding Author: Towhid Pourrostam
Submitted: January 08, 2012
Accepted: March 02, 2012
Published: December 01, 2012 |
Abstract:
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A major problem in construction projects is variation orders. The goals of this work are to identify
the factors responsible for this and to examine its effects on roadway construction projects in south of Iran.
Review of previous works on this subject has been limited to developments since the year 2000. In order to
obtain the view of many players such as employers, consultants and contractors in the industry on these
phenomena, a survey was conducted using a questionnaire. This study was able to isolate 10 critical causes of
changes in orders out of as many as 26 causes. It was concluded that change of plans or scope by employer,
errors and omissions in design, differing site conditions and contractor's financial difficulties were some of the
critical factors causing variation orders in roadway construction projects. Cost and time factors constituted the
most visible consequences of variation orders in construction projects. These findings seem to agreewith the
view of experienced specialists. However, this study is confined to roadway construction projects on south of
Iran, nevertheless, the results of construction management problems is common within the developing
countries.
Key words: Causes and effects , chang order, construction projects, roadway, variation order, ,
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Cite this Reference:
Amiruddin Ismail, Towhid Pourrostam, Amir Soleymanzadeh and Majid Ghouyounchizad, . Factors Causing Variation Orders and their Effects in Roadway Construction Projects. Research Journal of Applied Sciences, Engineering and Technology, (23): 4969-4972.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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