 The Trust underwent restructuring in June 2005 following the transfer of adult and older people’s mental health services in North and North East Lincolnshire to primary care trust guardianship.RDaSH's main base is St Catherine's Hospital; it also manages Tickhill Road Hospital and used to run now the defunct Loversall Hospital.It also operates at Doncaster Royal Infirmary, Rotherham General Hospital and Doncaster Gate Hospital.