David Cullinane (Waterford, Sinn Fein) | Oireachtas source

In layman’s terms, "more expensive" means more money and "time-consuming" means it will take longer to resolve. It goes on to state:

If the present approach to the insulation and ventilation system serving the critical areas in this hospital is not corrected, the systems will fail the final validation and will not be fit to be taken into use.

Is that not what it says?