Kansas is governed by federal Davis Bacon rules since it is a little Davis-Bacon state.  Generally speaking, the Prevailing Wages are good for the life of the project and the determinations have no pre-determined increases.  The awarding body can request special determinations on a per project basis.  This process takes at least 30 days, are specific to your particular DBRA job and could contain pre-determined increases. These special determinations will be provided to you by your contracting agency or awarding body in Kansas.