Factors affecting construction labour productivity in Yemen

Alaghbari, W; Al-Sakkaf, A A and Sultan, B (2019) Factors affecting construction labour productivity in Yemen. International Journal of Construction Management, 19(1), pp. 79-91. ISSN 1562-3599

Abstract

Construction is a labour-intensive industry. As poor productivity of construction labour is one of the causes of cost and time overruns in construction projects, it is of critical importance to the performance and profitability of construction projects and the overall economy of any country. This paper aimed to identify and rank factors affecting construction labour productivity in Yemen. A survey questionnaire was structured and distributed to architectural and structural engineers who were working on construction projects. The questionnaire included 52 predefined factors, which were categorized into four primary groups: human/labour, management, technical and technological, and external. The relative importance index (RII) was determined and the factors were ranked. The results showed that the group of technical and technological factors ranked first among the four groups. The top five factors identified were the most significant in their effect on construction labour productivity in Yemen: (1) labour's experience and skills, (2) availability of materials in site, (3) leadership and efficiency in site management, (4) availability of materials in the market, and (5) political and security situation. The findings of this study will provide awareness and a better understanding of factors affecting labour productivity in construction projects in Yemen.

Item Type: Article
Uncontrolled Keywords: construction; labour; labour experience; labour skills; productivity; relative importance index; Yemen
Index terms: productivity, efficiency, time overrun, construction labour, site management, profitability, labour productivity, relative importance index, survey, Yemen, structural engineer, construction project, questionnaire
Subjects: risk assessment, profession, data collection methods, construction operations, economic analysis, Geography, production management, management, performance management, project controls
Topics: Risk Management, Roles and Professions, Research Practice, Geographical Context, Project Management, Business Strategy, Time Control, Site Management, Quality Management
Descriptive scope: 4 PCEA

N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here