It is desirable that the vibration environment in buildings used to house vibration sensitive equipment, be reliably predicted before the equipment is required to perform. Within an existing building, this qualification of a facility may be possible by direct measurement. However, in the case of internal re-structuring or a new design some means of prediction is required at the concept stage, to give a reasonable assurance before resources are committed, that the installation will perform satisfactorily over the life of the building.
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