Abstract - Uptime Institute's AI Infrastructure Advisory: Level 4 and 5 Commissioning Advisory ensures your organization’s AI data center is fully prepared for the unique demands of high-density workloads before going live. Uptime experts help to develop a tailored commissioning strategy, simulate real-world AI power and cooling conditions, and validate critical processes. By reviewing commissioning plans and scripts for rigor, accuracy, and operational readiness, Uptime helps avoid costly delays and ensures the facility meets performance and resiliency goals.