I'm not sure why we didn't. Well, surveys are used for a number of reasons, so perhaps there would be situations where surveys would be useful on election day, or I guess not in contravening the tampering of public opinion, but this is not the case here, so....
Evidence of meeting #125 for Procedure and House Affairs in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was election.
A recording is available from Parliament.