On-site labour productivity of New Zealand construction industry.pdf

The follow up reminders showed that the respondents

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very little inputs from the subcontractors. The follow-up reminders showed that the respondents, especially the subcontractors were busy chasing new tenders on account of the current economic recession and so had no time to participate in the survey. The demographic profiles of the respondents showed that the majority - 77 percent had at least 15 years work experience in the construction industry, 83 percent occupied high ranking positions in their respective organisations as directors, managers, or associate directors. The feedback was therefore from highly experienced subjects who had the authority to make important decisions about productivity in their respective organisations. This adds to the quality and reliability of the feedback, though the findings could not be generalised beyond the data points due to the non-representation of the target populations. Key constraints to onsite labour productivity in New Zealand At the pilot interviews, the recurring constructs mentioned by or alluded to by the interviewees as key internal and external constraints to onsite labour productivity in the New Zealand construction industry were classified under broad categories. Figure 1 shows the external constraints, which comprise three broad categories: statutory compliance, unforeseen events and other external forces. Figure 2 presents the internal constraints, which comprise five broad categories: project finance, workforce, technology/ process, project characteristics, and project management. The subcomponents of each category are
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