Commissioning Best Practices to Follow During The Turnover. The turnover phase of any construction project is a well-ordered shift of building operations to the operation and maintenance (O&M) team from the project commissioning management services team. Visit: https://www.slideshare.net/OliviaWilson53/commissioning-best-practices-to-follow-during-the-turnover #commissioning #practices #Maintenance #Project #GlobalCXM