It's a bid to avert further strikes at the company.
Industrial action by drivers has been announced for St Patrick's Day, as well as Easter Sunday and Bank Holiday Monday.
Yesterday their union, SIPTU also announced further 48 hour strikes on 2nd and 3rd of April, as well as the 23rd and 24th of next month.
The drivers have reduced their pay claim from 53 percent over five years, to between 27 and 30 percent.
