Quantitative Analysis of the Sources of Construction Waste

Table 1

Sources and causes of construction waste.

Sources of waste	Causes
Procurement	Ordering error, supplier’s error resulting in excessive materials on site
Design	Changes to design, documentation error
Material handling	Transportation, off-loading, and inappropriate storage
Operations	Tradesperson’s error, for example, installing wrong materials and having to remove such materials
Weather	Humidity, temperature
Vandalism	Inadequate security
Misplacement	Untraceable materials, abandonment
Residual	Cutting materials to sizes
Others	Lack of waste management plan