Abstract
Abstract The delay in civil construction works is observed globally and affects the economy of countries. Therefore, identifying the causes of delays is of paramount importance to minimize their consequences. This paper aims at identifying the causes of delay in construction works and their analysis and existing correlations through statistical factor analysis. The research methodology included a Systematic Literature Review (SLR), a Survey Research through questionnaires and interviews was conducted, as well as the identification of the main causes of delay through the Relative Importance Index (RIL) and the ABC Curve. Finally, factor analysis of the causes of delay was performed, not limiting only to their identification. The results showed that the 12 identified causes are correlated to 4 delay factors, which account for 69.18% of the sample variance: supply management (21.41%); workforce management (20,79%); project management (17.64%) and management of climatic conditions (9.34%). It is concluded hereby that the delay factors mentioned herein can be considered management deficiencies in the projects and that the research has expanded the knowledge on construction delays, thus contributing to the frontier of knowledge to mitigate this problem in several countries, especially developing ones.
Highlights
The delays in the delivery of work contracts still appear as a recurring issue in engineering projects, which often occur from design to completion, whether in public or private works, in developing or developed countries
The main objective of this paper was to study the delay in construction works and the analysis of the causes of this phenomenon by observing the correlations between them through the statistical factor analysis technique
The results demonstrated that the 12 causes of delay that were identified are correlated to only 4 delay factors, which account for 69.18% of the variance of the original data and have the eigenvalues of its components with significance, i.e., greater than 1: (a) management (21.41%); (b) manpower management (20.79%); (c) project management (17.64%); and (d) management of climatic conditions (9.34%)
Summary
The delays in the delivery of work contracts still appear as a recurring issue in engineering projects, which often occur from design to completion, whether in public or private works, in developing or developed countries. It is further observed that the delays in construction projects is a fact observed globally or on a large scale, affecting the industry itself, but the economy of nations in general; negatively impacting the success of the project due to changes in the original execution schedule and the previously established costs, quality criteria and management of safety conditions (CHAUHAN; SHAH; RAO, 2008; DORAISAMY; AKASAH; YUNUS, 2020; FARIDI; EL-SAYEGH, 2006; FLYVBJERG et al, 2002; MYDIN et al, 2014a) Because this is one of the biggest problems in construction management, the delay in construction works poses a strong financial and social impact on all the stakeholders in the project. It is more intense and common in developing countries, which usually overrun project costs and have budget problems and shortage of resources (ABBAS; PAINTING, 2017; KAMING et al, 1997; RACHID; TOUFIK; MOHAMMED, 2018; SHEBOB; DAWOOD; XU, 2011). Venkatesh and Venkatesan (2017) emphasize there is a variation in occurrence of the causes for delay among countries and that occurrences regarded as critical are very different in developing countries than those in developed ones
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