Feasibility study is not really an environmental assessment term, so that's where I'm getting stuck. It's not a French-English thing; it's the language we use in environmental assessment.
There are obviously different stages a project has to go through. At the early stages, the proponent has a particular project and he's written a description that explains what he plans to do. Through the consultation with aboriginal people and others, comments will be provided and that plan will be adjusted. The proponent might willingly suggest in which areas he's going to adjust his plan, and then, even beyond that, further consultation might determine that because the effects are so significant, additional mitigation measures need to be taken. So when the final decision is made by the government, it won't just say that he has a green light and can go ahead with this project. It will say that he may go ahead with the project subject to conditions such as that the proponent refrain from construction activities between these periods or that the proponent provide additional habitat for this species at risk, to replace the part that he's used.