This was posted earlier in the thread. Looks like more than 100 hours to me
TU 11 JAN LHR-PSA-LHR
WE 12 JAN LHR-LAS
FR 14 JAN LAS-LHR
SA 15 JAN OFF DUTY
SU 16 JAN OFF DUTY
MO 17 JAN LHR-BUD-LHR
TU 18 JAN LHR-PRG-LHR
WE 19 JAN LHR-NBO
TH 20 JAN NBO-LHR
SA 22 JAN LHR-PRG-LHR
SU 23 JAN LHR-PSA-LHR
MO 24 JAN OFF DUTY
TU 25 JAN LHR-PSA-LHR
WE 26 JAN STANDBY AT HOME
TH 27 JAN STANDBY AT HOME
FR 28 JAN OFF DUTY
SA 29 JAN OFF DUTY
SU 30 JAN LHR-NBO
MO 31 JAN NBO-LHR
OK let me try again: if after 9 months you reach 900 hours on a MF contract, what sort of Ground Duties will you do as per your contract?