O&M stands for Operations and Maintenance, and it is a term used to describe the activities and processes necessary to keep a facility or system running. O&M activities are typically performed on a regular basis to ensure that the facility or system is operating properly and efficiently. O&M activities can include routine inspections, preventive maintenance, troubleshooting, repairs, and upgrades. O&M is a critical component of any facility or system, as it ensures that the facility or system is operating safely and reliably. O&M is also important for cost savings, as it can help to identify potential problems before they become major issues, thus avoiding costly repairs or replacements. Additionally, O&M can help to extend the life of a facility or system, as well as improve its performance and efficiency. O&M is an essential part of any facility or system, and it is important to ensure that it is performed regularly and properly.