Evaluating Contractors’ Capacity Based on Safety Record and Performance of Road Construction Infrastructural Projects
Journal of Civil, Construction and Environmental Engineering
Volume 5, Issue 2, April 2020, Pages: 20-34
Received: Dec. 5, 2019;
Accepted: Mar. 11, 2020;
Published: Apr. 8, 2020
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James Mushori, Project Planning and Management, University of Nairobi, Nairobi City, Kenya
Charles Mallans Rambo, School of Open and Distance Learning, University of Nairobi, Nairobi City, Kenya
Charles Misiko Wafula, School of Open and Distance Learning, University of Nairobi, Nairobi City, Kenya
A number of studies conducted in Kenya and internationally indicate that most of the construction firms and contractors do not seem to strictly observe safety administration in construction industry, hence compromised performance at implementation stage of projects and even later in the post-delivery stage. The study aimed to examine the influence of contractors’ safety record on road performance. This is to create better understanding of how the safety record of contractors could either positively or negatively influence performance of roads during post-delivery stage. The study used both descriptive survey research design and correlation design based on a pragmatic mixed method approach. Through stratified sampling and proportionate sampling, a sample of 210 was drawn from a population of 460 comprising of registered contractors and Public Service Vehicles (PSV) drivers within Nairobi County in Kenya. Questionnaires were distributed using simple random sampling. The questionnaires returned were 153 in total representing 72.8% of all questionnaires distributed to the respondents. Data was descriptively analyzed using percentages, frequencies, means and standard deviations for measuring central tendency and variability. Inferential analysis was done by use of correlation and regression. The descriptive analysis revealed that safety policy management system, insurance policy, and adequacy of standards in addressing safety outcome are to some extent practiced and adhered to. However, compliance behavior to safety procedures is still weak and requires improvement. The null hypothesis was tested and the results obtained from a simple linear regression indicated that, R=0.657, R2=0.431, B=0.359, t=10.703, F (1,151)=114.558, p=0.000< 0.05. This means that contractors’ safety record has a strong positive and significant relationship with road performance and that 43.1% of variation in performance is explained by safety record. This study recommends that contractors’ safety record should part and parcel of the evaluation criteria used in selection of a suitable road contractor to ensure road performance is achieved even after construction is completed. The study is significant in that it contributes to the body of knowledge by providing empirical data on the need for safety procedures in urban road construction and beyond.
Charles Mallans Rambo,
Charles Misiko Wafula,
Evaluating Contractors’ Capacity Based on Safety Record and Performance of Road Construction Infrastructural Projects, Journal of Civil, Construction and Environmental Engineering.
Vol. 5, No. 2,
2020, pp. 20-34.
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