Quantification of Delay Factors Using the Relative Importance Index Method for Construction Projects in Turkey

Gündüz, Murat; Nielsen, Yasemin; Özdemir, Mustafa

doi:10.1061/(asce)me.1943-5479.0000129

Cited by 323 publications

(201 citation statements)

References 21 publications

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“…In anticipation of the effect of globalization and the technological difference between developing and developed countries, it is necessary to identify the actual reasons of delay in order to reduce the impact of delay in any construction project (Shebob et al, 2012). Gündüz et al (2013) stated that in the construction industry, contractors tend to maximize their profit to increase market share. To achieve this aim, it is crucial for contractors to carefully identify the factors that affect the success of a project and estimate their impacts before the bidding stage.…”

Section: Previous Studies Related To Time Overrunsmentioning

confidence: 99%

Factors Affecting Time Overruns in Public Construction Projects: The Case of Jordan

Sweis¹

2013

IJBM

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Most construction projects in developing countries are characterized by overruns in time. This research was conducted in an attempt to identify major factors for such overruns in the typical developing environment of Jordan. A descriptive study was carried out and two types of data were collected. The overrun variables were extracted from the literature and from a thorough examination of the perception of 30 engineers, and then ranked according to their Severity Index (the product of Importance Index and Frequency Index). The top ten factors causing time overruns in construction projects were identified and treated using Principal Component and Factor Analysis (PCFA). After conducting the analysis on both the secondary and primary data, results showed agreement only on one cause, weather conditions.

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Section: Previous Studies Related To Time Overrunsmentioning

confidence: 99%

Factors Affecting Time Overruns in Public Construction Projects: The Case of Jordan

Sweis¹

2013

IJBM

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“…They have vital roles to achieve the targeted schedule of the project. Some contractor related causes of delay are improper construction planning and scheduling [32,[67][68][69], improper progress monitoring and cost control [66,70,71], poor site management [21,26,28], inaccurate cost estimation [6,39,59], incompetent project team [33,42,72], lack of experience [23,27,28], lack of modern equipment [12,73,74], multiple subcontractors [29,75,49], lack of appropriate and modern techniques in construction [70,76]. Within these factors, improper planning and scheduling is the most frequent and significant factor considering all developing regions.…”

Section: Cmentioning

confidence: 99%

Construction Delays in Developing Countries: A Review

Islam¹,

Trigunarsyah²

2017

Journal of Construction Engineering and Project Management

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Construction delay is one of the basic constrains to achieve the project objectives in developing countries. This study aims to find the causes and effects of construction delays in developing countries. A thorough literature review has been done following the content analysis method. The relevant literature of 28 developing countries was collected from the scholarly journals published in the period of 2006 to 2016. The different developing countries are grouped into three geographic regions, i.e. South and Southeast Asia, Middle East, and Africa. In these regions, total 53 potential causes of delay under 8 major groups are identified. Frequency and ranking of these factors have been done. The factors, delay in progress payment by owner, contractors' cash flow problem, improper planning and scheduling, poor site management, and change order by owner during construction, are acknowledged as critical causes of delay in developing countries. This study will assist both academic and professional experts providing more insight about the construction delays and project management in developing countries.

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“…Various published studies in different countries on construction project delaying factors [7,8,13,[17][18][19][20][21][22][23][24][25] identified most important delay causes as follows: the financing and payment of completed work by the owner, inadequate contractor experience, design changes by the owner or their agent during construction, poor site management and supervision by the contractor, as well as too many change orders made by the owner. The researchers justified that delays causes time overrun, schedule overrun, and cost overrun in the construction projects and their results emphasized the need to bring improvement to the construction industry.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Ye et al [11], Khoshgoftar et al [12], Gündüz et al [13], Abdul-Rahman et al [14], and Yang and Shen-Fen [15] categorically discussed significant delays causes and proposed valuable recommendations to improve the construction industry in a particular study area. Construction projects operations are not trivial due to the complexities of construction processes.…”

Section: Literature Reviewmentioning

confidence: 99%

Critical Delaying Factors: Public Sector Building Projects in Gilgit-Baltistan, Pakistan

et al. 2018

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Project delays are a large and prevalent problem in the Gilgit-Baltistan construction industry, and delays can distinctly affect project duration, budget, and also community needs. The purpose of this study is to highlight and rank delaying factors in the Annual Development Programme public sector building infrastructure projects and examine them through a relative importance index. A total of 52 delaying factors were identified through a detailed literature review and categorized into eight major groups, and a pilot study with 16 experienced construction experts was conducted. A questionnaire survey was conducted to collect the importance of each factor from public construction experts. In total, 102 respondents participated in the survey. The study determined that difficulties in financing projects by contractors, delays in progress payments, dispute on land usage, improper project feasibility studies, award project to the lowest bid price, extreme weather conditions, inadequate contractor experience, and insufficient data collection and survey before design were among the top eight critical delaying factors. In addition, Spearman's rank correlation tests revealed that there was no difference in perception between owners and contractors. A comparison of the top five delay factors was done with eight preferred construction industries in Asia to validate the results of this study. The findings are likely to be a solid contribution to the Gilgit-Baltistan construction industry in mitigating future construction delays.

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Quantification of Delay Factors Using the Relative Importance Index Method for Construction Projects in Turkey

Cited by 323 publications

References 21 publications

Factors Affecting Time Overruns in Public Construction Projects: The Case of Jordan

Factors Affecting Time Overruns in Public Construction Projects: The Case of Jordan

Construction Delays in Developing Countries: A Review

Critical Delaying Factors: Public Sector Building Projects in Gilgit-Baltistan, Pakistan

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