It was done in a sporadic fashion, if and as required. I have, as of yesterday, passed a command to our forces so that as soon as there is any sign of a vote taking place, we're alerted. As I mentioned, there is an overarching radio broadcast to all PPS personnel so they are aware to take all measures to ensure unfettered access to the House.
On May 9th, 2017. See this statement in context.