The contractor must provide all labor, materials, and equipment for preventive maintenance of an Incucyte SX5 system used by the NCI for high-throughput cancer research. All maintenance services will be performed on-site following the manufacturer’s standard commercial practices. The system is critical for real-time data collection on cancer cell responses, including cell death, proliferation, and immune marker expression. Frequent use in a humidified environment necessitates regular adjustments to prevent costly repairs and downtime. No specific timelines or budget amounts are mentioned in the description.