Analysis of the Impacts of Quality Assurance and Quality Control on Construction Projects using RII method

Abstract

Quality control and quality assurance are important parts of a quality management system, therefore quality planning, quality assurance, and quality control are all part of a quality management system in the construction sector. There are numerous approaches to put into effect for a quality management system in the construction business, which can be done at the company or project level. The motive of this work is to analyze the influence of quality control and quality assurance on building projects by using the RII method of analyses so as to know the relative importance of different factors critical to quality in construction. At the initial stage of this research a questionnaire was developed with thirty seven factors grouped into five groups 153 questionnaires were distributed to professionals and skilled workers in various construction sites belonging to different construction companies within the study area while 136 were returned, data obtained from respondents was analyzed by the use of the statistical package for social science (SPSS) after which the RII method was used to identify the relative importance of the various factors. The impact of various factors were discussed and recommendations were made. The case study area is construction sites in Kebbi state Nigeria. Therefore data obtained was statistically measured and analyzed accordingly.