Table 2.

Barriers to constructability implementation

Problem	% of respondents (%)
Frequent changes	24
Delays	30
Cost overruns	32
Implementation issues	5
Design errors	17
Professionalism of the work	5
Lack of experience	4
Performance	3
Poor quality	4
Poor communication	6
Material waste	4
Repeated problems	4
Poor planning	18
Trade coordination	2
Safety	7