The sequence described here relates to invitations to tender
issuedwhile building is in progress. Fig. 14 For tendering in this
way, all the ser-vices required are drawn up in sequence, and
invitations to tender issued.For example, the interior is planned
and invitations to tender are issuedafter the shell has already
been completed. In comparison with a blanketinvitation to
tender Chapter Organizing the tender, Fixing bid units, Package
awards thisapproach offers the advantage that an appropriate
response can be madeto unexpected cost developments. ntroduction,
Tendering requirements, Costs Itis also possible to accommodate
changes that have occurred during thecompleted building phases. For
example, if the ceiling slab thicknesseshave had to be changed for
practical reasons, they can be compensatedfor in the finished floor
height. However, it is impossible to be certainabout costs until
the last invitation to tender, because of the difficultyin
predicting the effect market fluctuations and other eventualities
couldhave on services offered.
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