Factors Affected In Cost Estimation Of Road Rehabilitation Projects In Sri Lanka

Nishanth.T, 2005 have identified factors which are affecting cost estimation of road rehabilitation projects in Sri lanka. As follows:

Causes of Cost overruns

48 Cost Overruns factors are identified as causes of Cost Overruns to A & B classes of rehabilitation project in Sri Lanka. Those 48 causes of Cost Overruns factors are grouped in to 5 major groups as sown in the figure (Nishanth.T, 2005)

1. Increase in BOQ value
2. Variations
3. Fluctuations
4. Increase in day works
5. Claims