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Ng, A K W and Price, A D F (2005) Assessing the impact of main contractor's site co-ordination on sub-contractors' performance in Hong Kong. In: Khosrowshahi, F (Ed.), Proceedings 21st Annual ARCOM Conference, 7-9 September 2005, London, UK. Association of Researchers in Construction Management, Vol. 1, 191–200.
- Type: Conference Proceedings
- Keywords: sub-contractor; site co-ordination; performance
- ISBN/ISSN: 0 902896 93 8
- URL: http://www.arcom.ac.uk/-docs/proceedings/ar2005-0191-0200_Ng_and_Price.pdf
- Abstract:
It is a common practice in Hong Kong for the main contractors of local building projects to sub-let most of their works, consequently their roles have gradually transformed from a constructor to a manager of sub-contractors of the project. The outcome of most projects therefore depends heavily on the sub-contractors' performance. However, most Hong Kong based sub-contractors complain that they are unable to operate efficiently and effectively due to main contractors' poor co-ordination of construction information, temporary works, interfacing works and temporary power supply. A list of the most serious problems caused by main contractors during the construction stage that reduce sub-contractors' performance has been produced. A questionnaire survey has been conducted to identify and analyse the frequency and potential impact of the problems. The aggregated impact on sub-contractors' site work is analysed. The findings have been used to formulate guidelines for the improvement of site co-ordination by main contractors.