PRAI - Property Registration Authority Ireland
You should be able to inspect th
e maps & drawings etc associated with the development in you local planning authority office.
If you want to try to figure it out yourself you can go to osi.ie or myplan.ie but you would need the land registry documentation first.
Traditionally this type of work has been carried out by engineers but the other professionals (and Chartered Surveyors) you mention might also be able to do the work.