Vertaling van "whose massive workload could " (Engels → Frans) :

I would like to praise the Secretariat in particular, whose hard work has been impressive and whose massive workload could never be accommodated within the limits of legislation on people’s working time.
Je tiens tout particulièrement féliciter le secrétariat pour avoir fourni un travail impressionnant dont l’ampleur ne pourra jamais entrer dans les limites fixées par la législation sur le temps de travail.

That ambition is shared universally by my colleagues and we could not have made the progress we have unless we had had massive cooperation from staff assuming these obligations in addition to their normal workload and if we had not had the full-hearted commitment of every single Member of the College of Commissioners.
Tous mes collègues partagent cette ambition et nous n’aurions pu accomplir ces progrès sans la coopération massive du personnel qui s’est acquitté de ces obligations en sus de ses tâches habituelles ni sans l’engagement inconditionnel de chaque membre du collège des commissaires.