It is easy if government sincerely wants to reduce civil service costs.
The following are practical solutions :-
(servants know the answers not necessary to employ so many expensive world-class takents to head civil service)
(1) To cut back the numbers (4 mayors for a small island when Shanghai and Taipei which are large cities have only one)
(2) Outsource non-sensitive and non-essential services to the private sectors within Singapore to save immediately 66% of present costs.
(3) Attain coordination and practical knowledge application by all workers at all level as posted at:
http://www.ospforohsopolite.blogspot.com