The Cabinet will meet today for the last time before the summer break to sign off on the final details of the revised €39bn capital spending plan.
Ministers will also make further preparations for the December budget in a bid to reduce the deficit by €3bn - with health, social welfare and education likely to be hardest hit.
This morning the Taoiseach is due to announce that parts of its de-centralisation project are now on hold.
The Dublin Institute of Technology is also likely to be moved to a campus at Grangegorman and major rail projects such as the Dublin to Navan and Tuam to Claremorris lines are likely to be shelved.
Political Editor of the Sunday Business Post Pat Leahy said: "(This means) cuts to frontline services, to every Minister's budget…Hospital wards will close, teachers will not be hired."