Time Schedule
Even though, in the design stage, the designer has already
drafted the preliminary time schedule in the design stage,
after the bidding evaluation have been declared officially,
the tendering winner is required to prepare it again in
details including manpower resources to be approved by
the project manager before the contract is awarded and
signed. The detailed time schedule should be of course
logical in accordance with the available resources of the
contractor. In addition, the contractor is also required to
provide monthly implementation planning. At the end of
each working month, he has to check the previous
planning to find out whether there are some items that
could not be implemented or completed. In this case, the
cause of such mistakes or delays should be informed and
prepare the implementing planning for the next month.
Actually, the time schedule is often incorrect because
of the lack of data about resources and materials. Skilled
workers are in scarce and not professional. Most
important materials are imported. Sometimes it requires
time for import. As a consequence, the proposed time
schedule becomes invalid. Most of payments are often
delayed so that many government projects have to be
interrupted or stopped. Inflation varies, building material
prices diversify while as tenders accept lump sum prices.
One way of reducing the effects of inflation is to buy all
building materials as soon as possible