Refusal to work overtime ends in mechanic’s dismissalRefusal based on status of ongoing collective bargaining12/16/2013|Canadian Labour Reporter|Last Updated: 12/16/2013 Sheldon Yanoshewski’s decision to turn down voluntary overtime hours led to his dismissal. Yanoshewski — a journeyman automotive mechanic with Mosaic Potash’s surface mill and underground mine in Colonsay, Sask. — was a shop steward and 17-year employee at the when he was fired on Oct. 9, 2012. Initially Yanoshewski was suspended without pay pending an investigation, but he was subsequently terminated for alleged insubordination to a supervisor and for declining to work overtime. To Read the Full Story, Subscribe or Sign In Remember Me Forgot Password If you are a current Subscriber, please click here to set-up or update your login information.