Scientia release an upgrade once a year , this project would upgrade TED DEV , TEST, TRN and LIVE to the latest release of Scientia Enterprise (currently v3.2) – v3.3 will be released in 2013
The upgrade part of STU227 is estimated at 70 days in 2012-13, this should be slightly cheaper in future years as the process is refined – so would likely be in the range 50 to 70 days