Taking a pragmatic approach, I spoke to the individual in private to understand if there were any underlying issues impeding his/her tasks. It turned out to be a workload issue, and we discussed handing off some other tasks (at least during the life of the project) to mitigate potential risks of not delivering to the project, and his/her assigned tasks.
PUSH for 4 or 5 weeks holiday if you make less than 80K a year. It takes 20 YEARS to get up to 5 weeks vacation otherwise. I negotiated 4 weeks, and they stipulated I had to work the 10 then the 20 years to get my 5 weeks. 30 years for an extra week of holidays? How Rude. 0 of 5 Stars, IBM Canada