Professionals Perception on Causes and Effects of Non-Value Adding Activities on Infrastructure Projects Delivery in Abuja
1Kasimu M. A; 1Nasiru A.M &1Leje I.M
1Department of Quantity Surveying
Federal Polytechnic, Bida Email: kasimumohammed@yahoo.com
ABSTRACT
Non- value adding activities are the main challenges facing the Nigerian construction organisations during the course of the execution of infrastructure projects. This because Non-value adding activities, known as waste, influence projects in negative modes.Therefore, the aim of this paper is to assess the causes and effects of non-value adding activities on infrastructure projects delivery. A detailed review of relevant literature was conducted with the view of collecting relevant data necessary for this paper. A total of 150 numbers of questionnaires was distributed to Engineers, Quantity surveyors, Builders and Architects in construction firms that are based in Abuja. The descriptive method of analysis was used to analyse the data obtained from the survey. The result shows the followings as main causes of non-value adding activities on infrastructure projects delivery in Abuja. These are: (1) inconsistent client requirement, (2) damages resulting from poor storage of materials, (3) damages as a result of inappropriate materials handling during construction, (4) unethical practices among the client, contractors and subcontractors, (5) under supply of materials required at a given time leading to delay and (6) frequent design changes. In addition, the followings were established as main effects of non-value adding activities. These are: (1) time overrun, (2) additional resource allocation, (3) reduced profit, (4) client dissatisfaction, (5) overtime, (6) disruption/interruption of activity sequence and (7) cost overrun. The paper therefore, recommended that there should be proactive management strategies that will mitigate the causes and effects of non- value adding activities on infrastructure project delivery. The construction organisations should put more emphasis on training and re-training of employees through workshops, mentoring, seminars and conferences to acquire more knowledge on causes and effects of non-value adding activities.
Keywords: Construction Organisations, Infrastructure Projects, Non-Value Adding Activities, Project Delivery and Project Performance.
