United Brotherhood of Carpenters and Joiners of America, Local Union No. 2010 v PERI Formwork Systems Inc., 2011 CanLII 71358 (AB LRB) Share on LinkedIn November 13, 2011 | Alberta Labour Relations Board Overview Successfully defended employer against unfair labour practice and bad faith bargaining complaints brought forth by Union. CanLii 2011 CanLII 71358 (AB LRB)