Errors or omissions in the contract document
This was the number one cause of construction disputes in 2014.
Differing site conditions
This appeared to become a bigger issue in recent months, as it moved up from being the third most common cause of construction disputes in 2013 to the second most common cause in 2014.
Employer, contractor or sub-contractor failing to understand or comply with contractual obligations
This issue made the Top Five ranking for the first time this year.
A failure to properly administer the contract
This issue also moved up the ladder, from number five in 2013 to number four in 2014.
Poorly drafted, incomplete or unsubstantiated claims
This was another new entry on the list. According to a summary provided by Mike Allen, global leader of contract solutions with Arcadis, "There is an interesting link here with the fact that projects with disputes tend to be late and over budget, with issues of compromised quality and scope for clients."