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Journal ArticleDOI

Perceived Effects of Prevalent Errors in Contract Documents on Construction Projects

28 Mar 2018-Australasian Journal of Construction Economics and Building (University of Technology, Sydney (UTS))-Vol. 18, Iss: 1, pp 1-26
TL;DR: In this article, the authors investigated the prevalent errors in contract documents and their effects on construction projects and concluded that overmeasurement in bill of quantities was prevalent in private, institutional and management procured projects.
Abstract: One of the highly rated causes of poor performance is errors in contract documents. The objectives of this study are to investigate the prevalent errors in contract documents and their effects on construction projects. Questionnaire survey and 51 case study projects (mixed method) were adopted for the study. The study also involved the use of Delphi technique to extract the possible errors that may be contained in contract documents; it did not however constitute the empirical data for the study. The sample of the study consists of 985 consulting and 275 contracting firms that engaged in the construction of building projects that were completed between 2013 and 2016 and were above the ground floor. The two-stage stratified random sampling technique was adopted for the study. The data for the study were analysed with descriptive and inferential statistics (based on Shapiro-Wilk’s test). The results of the study indicate that errors in contract documents were moderately prevalent. However, overmeasurement in bill of quantities was prevalent in private, institutional and management procured projects. Traditionally procured projects contain 68% of the errors in contract documents among the procurement methods. Drawings contain the highest number of errors, followed by bill of quantities and specifications. The severe effects of errors in contract documents were structural collapse, deterioration of buildings and contractors’ claims among others. The result of the study implies that, management procurement method is the route to error minimization in developing countries, but it may need to be backed by law and guarded against overmeasurement.

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01 Jan 2016
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Abstract: It is well known that building prefabrication has numerous prominent advantages, including shortening construction time, promoting efficiency, reducing air pollution, and so on. As a result, the Ch...

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Cites background from "Perceived Effects of Prevalent Erro..."

  • ...This process was repeated several times until a consensus emerged (Dosumu 2018)....

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Journal ArticleDOI
TL;DR: In this article, a questionnaire survey was developed for data collection based on a thorough literature review which yielded 28 construction management practice areas and identified the underlying improvement dimensions in Ethiopian construction industry.
Abstract: The state of the different practices in construction industry determines its performance level. Hence, improving performance of construction industry needs assessing state of the practices in the industry and devising improvement intervention. The purpose of this paper is to measure improvement requirement level of different construction management practice areas and to identify the underlying improvement dimensions in Ethiopian construction industry.,Questionnaire survey was developed for data collection based on a thorough literature review which yielded 28 construction management practice areas. Purposive sampling method was used to select respondents for the survey. Mean score was used to identify the required improvement level, and one sample T-test was carried out to identify significance of improvement requirement. Factor analysis was conducted to identify the underlying dimensions of the construction management practice areas.,Findings indicate 27 areas need significant improvement. This shows the low level of adoption of good construction management practices in Ethiopian construction industry. Factor analysis resulted in the areas being grouped to four broad improvement dimensions, namely, project management, organization management, knowledge and risk management and project development and contract management.,The findings provide information for appropriate action by the stakeholders to raise standards of adopted construction management practices. It also show areas of construction management which require more focused research in the context of Ethiopian construction industry. Considering the similarity of nature of construction industry problems in developing countries, the findings can be extended to similar countries.

12 citations

Journal ArticleDOI
TL;DR: In this article , the authors show that a high rate of contractual claims in construction projects, impacting the construction industry's progress negatively, is one of the main underlying factors that gene...
Abstract: AbstractStatistics show a high rate of contractual claims in construction projects, impacting the construction industry’s progress negatively. Rework is one of the main underlying factors that gene...

6 citations

References
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Journal ArticleDOI
TL;DR: In this paper, the authors position mixed methods research (mixed research is a synonym) as the natural complement to traditional qualitative and quantitative research, and present pragmatism as offering an attractive philosophical partner for mixed method research.
Abstract: The purposes of this article are to position mixed methods research (mixed research is a synonym) as the natural complement to traditional qualitative and quantitative research, to present pragmatism as offering an attractive philosophical partner for mixed methods research, and to provide a framework for designing and conducting mixed methods research. In doing this, we briefly review the paradigm “wars” and incompatibility thesis, we show some commonalities between quantitative and qualitative research, we explain the tenets of pragmatism, we explain the fundamental principle of mixed research and how to apply it, we provide specific sets of designs for the two major types of mixed methods research (mixed-model designs and mixed-method designs), and, finally, we explain mixed methods research as following (recursively) an eight-step process. A key feature of mixed methods research is its methodological pluralism or eclecticism, which frequently results in superior research (compared to monomethod resear...

11,330 citations


"Perceived Effects of Prevalent Erro..." refers background in this paper

  • ...Johnson and Onwuegbuzi (2004) affirmed that the mixed research method offers complementary strength, can be used together or successively, and enables data/investigator/theory/ methodical triangulation....

    [...]

Journal ArticleDOI
18 Mar 2000-BMJ
TL;DR: The longstanding and widespread tradition of the person approach focuses on the unsafe acts—errors and procedural violations—of people at the sharp end: nurses, physicians, surgeons, anaesthetists, pharmacists, and the like.
Abstract: The longstanding and widespread tradition of the person approach focuses on the unsafe acts—errors and procedural violations—of people at the sharp end: nurses, physicians, surgeons, anaesthetists, pharmacists, and the like. It views these unsafe acts as arising primarily from aberrant mental processes such as forgetfulness, inattention, poor motivation, carelessness, negligence, and recklessness. Naturally enough, the associated countermeasures are directed mainly at reducing unwanted variability in human behaviour. These methods include poster campaigns that appeal to people’s sense of fear, writing another procedure (or adding to existing ones), disciplinary measures, threat of litigation, retraining, naming, blaming, and shaming. Followers of this approach tend to treat errors as moral issues, assuming that bad things happen to bad people—what psychologists have called the just world hypothesis.

4,710 citations


"Perceived Effects of Prevalent Erro..." refers background in this paper

  • ...…including the medical sector (Rooney, Heuvel and Lorenzo, 2002), plant operation and maintenance (Chen-Wing and Davey, 1998), Psychology (Reason, 2000), software implementation (Chapman, 1991), artificial intelligence (Rauterberg and Felix, 1996), industrial robotics (Lee, Barnes and…...

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  • ...Error is not peculiar to the construction industry, it cuts across many disciplines including the medical sector (Rooney, Heuvel and Lorenzo, 2002), plant operation and maintenance (Chen-Wing and Davey, 1998), Psychology (Reason, 2000), software implementation (Chapman, 1991), artificial intelligence (Rauterberg and Felix, 1996), industrial robotics (Lee, Barnes and Hardy, 1983), aviation (Shappell and Wiegmann, 1997) and science (Allchin, 2009) to mention a few....

    [...]

Journal ArticleDOI
TL;DR: In this paper, the authors propose a new framework to consider success criteria, The Square Route, for IS-IT project management, which is based on the concept of stakeholder benefits against which projects can be assessed.

2,245 citations


"Perceived Effects of Prevalent Erro..." refers background in this paper

  • ...In the same vein, Atkinson (1999) classified error into latent and active error....

    [...]

Journal ArticleDOI
TL;DR: In this article, the authors discuss common approaches to presenting the topic of skewness in the classroom, and explain why students need to know how to measure it in order to understand it.
Abstract: This paper discusses common approaches to presenting the topic of skewness in the classroom, and explains why students need to know how to measure it. Two skewness statistics are examined: the Fisher-Pearson standardized third moment coefficient, and the Pearson 2 coefficient that compares the mean and median. The former is reported in statistical software packages, while the latter is all but forgotten in textbooks. Given its intuitive appeal, why did Pearson 2 disappear? Is it ever useful? Using Monte Carlo simulation, tables of percentiles are created for Pearson 2. It is shown that while Pearson 2 has lower power, it matches classroom explanations of skewness and can be calculated when summarized data are available. This paper suggests reviving the Pearson 2 skewness statistic for the introductory statistics course because it compares the mean to the median in a precise way that students can understand. The paper reiterates warnings about what any skewness statistic can actually tell us.

626 citations


"Perceived Effects of Prevalent Erro..." refers background in this paper

  • ...…types of errors and effects of errors in contract documents were approximately normally distributed across organizational profiles, sector of projects, procurement methods and types of project (i.e. Skewness and Kurtosis in all cases were within + 1.96, and P value > 0.05) (Doane and Seward, 2011)....

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Journal ArticleDOI
TL;DR: In this paper, the effects of delay on the completion cost and time of 61 building projects in Nigeria were assessed by questionnaire evaluation and empirical method, and the findings showed that time and cost overruns were frequent effects of delays.

545 citations