The restoration project of the Heintzman grand piano at Southminster United Church is described in this article in the Ottawa Citizen, accompanied by a short video:
http://ottawacitizen.com/entertainment/local-arts/the-southminster-piano-new-life-breathed-into-a-vintage-grand
Several members of OPG played on this instrument at a past session, as well as at a master class that was led by Roland Graham.