ANALYSIS OF THE IMPACT OF REWORK ON PUBLIC AND PRIVATE PROJECTS IN NIGERIA

The aim of this research was to investigate the impacts of and assess preventive strategies for rework on public and private projectsin Nigeria. Questionnaires were used to collect data from professionals involved in public and private projects. Using the Kruskal Wallis Rank sum Test, the result indicated a significant variation in the impact of rework for public and private projects. The impact of rework was more significant with time overrun for public projects whileit has more impact on cost overrun for private projects among other factors.The study concluded that rework has more impact on completion time for public projects while it affects the final cost more for private projects. It was recommended that managers of public and private projects should adopt preventive strategies such asminimizing changes made at the request of the client, allocation of fund for site investigations, prevention of errors in the contract documentation and validity of needed tests to minimize rework on construction projects.