Projects: Postclosure Safety Assessment Modelling

Client: Nuclear Waste Management Organization

Geofirma Engineering has been responsible for all the detailed flow and transport modelling required for the Postclosure Safety Assessment of the OPG Low & Intermediate Level Waste DGR proposed for the Bruce site.  Geofirma has created two-dimensional and three-dimensional models of the proposed DGR and has modelled the behaviour of the facility over the 1 million year assessment time frame using FRAC3DVS-OPG for groundwater flow and T2GGM for gas generation and transport.  Additional modelling studies have also been conducted to investigate improved approaches, including probabilistic assessment using detailed gas transport models. Some of our work is documented by the Ontario Power Generation here:

For additional information, please contact John Avis, P.Eng., Head of Modelling.

Hydraulic Head Contours