Maps appear at many university entrances and locations.
The main building of Ecole Polytechnique de Montreal is building 10 on these maps. Dotted lines represent underground or covered passage-ways. Third, turn right at the top of the escalators, to exit the passageway at B. Fourth, walk east, that is walk with pavillon Principal 11 on your left until the first fork C in the road. At the fork, pavillon Andr Aisenstadt 15 will then be on your left. On entering pavillon Andr Aisenstadt, take an elevator to the fifth floor and on exiting the elevator turn left to seek office 5467.