Journal of Emerging Trends in Economics and Management Sciences: Home

Article Title:
Factors Affecting Contractor Performance: A Comparative Study of Non Value-Adding Activities in Nigeria and Indonesia
by Aluko Olusola Ralph and Reuben Iyagba

Abstract:
This study aims to investigate the incidence of non value-adding activities as it affect business performance of the construction industry in Nigeria. Non value-adding activity is used to differentiate between physical waste found on site during construction and other waste which occurs during construction process. The purpose of the paper focuses on the severity of waste and waste causes variables, deepening the awareness of contractors in order to pay close attention to them thus reducing the incidences and offering better performance. Data was collected through questionnaire targeting 100 organisations consisting of contracting organisation, project managers, client organisations and consultants. The Indonesian study used data collected from 99 respondents from 46 different contracting organisations. Statistical analysis were used to rank the importance of waste variables and waste causes variables from different stakeholders in the industry. The findings suggest that repairs on finishing works, waiting for instruction, waiting for materials and materials not meeting specifications were identified as the key waste variables, while site condition, weather and lack of subcontractors? skill were identified as key waste causing variables. These findings contribute substantial detrimental effect to project performance, thus affecting the integrity of the construction industry

Keywords: non value -adding activities ,waste, rework, contractors, performance, Nigeria.

Download full paper