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SEISMIC DESIGN to UBC'97

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<<Could anyone offer advice on seismic design of a 10 storey rc building in
Kuwait to UBC'97, particularly the following:

1. Thermal expansion joints / movement joints.

The floor plan area of the building (approx 4000m^2) is such that several
expansion joint are required. The UBC does not cover joints specifically
but reading between the lines I assume that either joints should be avoided
or they should wide enough to avoid pounding of one part of the building
against the other eg. double columns with wide gap or wide corbels say. Is
correct?>>

What is your criteria for deciding how many expansion joints are needed? 
If the building is square this building would be 64m long.  130m between
joints is not unknown.


Mark Gilligan