Not sure what scope of work is required but the only nearby dry dock large enough is in Esquimalt (by Victoria) and it's currently occupied by the Norwegian Sun.

RoTS has to be moved by early tomorrow as 3 ships are arriving by the morning. One of them is the Ruby Princess which can't be more than 2 hours away at a slow putt. FWIW, I am on Marinetraffic a lot as I get to see what ships and going up and down the Strait of Juan de Fuca. Was surprised to see a Princess ship in Victoria today with another (Ruby P.) approaching but it was there just to pick up a pilot.