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Ajayi, S O, Oyedele, L O, Kadiri, K O, Akinade, O O, Bilal, M, Owolabi, H A and Alaka, H A (2016) Competency-based measures for designing out construction waste: Task and contextual attributes. Engineering, Construction and Architectural Management, 23(04), 464-90.

  • Type: Journal Article
  • Keywords: competency; design management; construction waste; protocol analysis; task-contextual model
  • ISBN/ISSN:
  • URL: https://doi.org/10.1108/ECAM-06-2015-0095
  • Abstract:
    Purpose - Competency-based measure is increasingly evident as an effective approach to tailoring training and development for organisational change and development. With design stage widely reckoned as being decisive for construction waste minimisation, the purpose of this paper is to identify designers’ competencies for designing out waste. Design/methodology/approach - Due to paucity of research into competency for construction waste mitigation, this study corroborates verbal protocol analyses (VPA) with phenomenological research. Findings - Combining findings from the two methodological approaches, competencies for designing out waste are grouped into five categories, three of which are largely task related and two being contextual competencies. The study suggests that design task proficiency, low waste design skills and construction-related knowledge are indispensable task competencies, while behavioural competence and inter-professional collaborative abilities are requisite contextual competencies for designing out waste. In concurrence with task-contextual theory of job performance, personality variables and cognitive abilities are found to influence one another. This suggests that both task and contextual competencies are not only important, they are less mutually exclusive with respect to designing out waste. Practical implications - This study implies that apart from commitment and dedication of designers to waste minimisation, design and firm practices are expected to be adapted to the industry’s standard. Originality/value - Basis for training needs of design professionals as well as redeployment criterion are further elaborated in the paper. By enhancing competencies identified in this study, construction waste would not only be significantly designed out, adequate cost saving could be made as a result of waste reduction.