Most 1st batch trains were retired and scrapped between 1999 and July 2004 (others remained in service until 2006) as their lifetime (25 years) was finished, except for units 1001,1115,1315 and 1091 and several other cars.
Most 1st batch trains were replaced by the Class 311 trains and were retired and scrapped between 1999 and July 2004 (others remained in service until 2006). This was done since their lifetimes (25 years) were finished, except for units 1001,1115,1315 and 1091 and several other cars.