3. State whether the risks listed below are internal or external.

*Failure to make an acceptable profit

*Not finishing the construction by Nelson Mandela’s 85th birthday

*Interference with rail activities

*Geological structures necessitating expensive foundations

*The concrete mixture segregating when pumped into the columns

*A pump failure while concrete is being pumped

*Interrupted supply of concrete due to trucks transporting concrete delayed in traffic

This question is from text book “Project management for engineering, business and technology” Fourth edition by John M.Nicholas And Herman styen Page number 387 , question number 3  Topic: 10.3 case study on Nelson mandela Bridge