The Centre Block project is essentially the apex project of the whole long-term vision and plan for the restoration and modernization of the parliamentary precinct. From its very beginning in 2001, the restoration and modernization of the Centre Block has been one of the prime objectives. Many of the other projects that have been carried out—the Sir John A. Macdonald Building, the Wellington Building, and more recently, of course, the West Block, phase one of the visitor welcome centre, and the Government Conference Centre—have really all been about being able to empty the Centre Block to carry this out.
One of the key drivers is the condition of the building, and we continue to do ongoing assessments of the building. From the very beginning, the prime objective has been getting the Centre Block emptied prior to 2019, when it was indicated through the assessments of the building condition that there would be an elevated risk of a building system failure that could impact the operations of Parliament. Of course, a prime objective is to ensure that there's no interruption to the operations of Parliament, so a key—