D15-A's infrastructure comprises drilled production wells and manifolds that gather gas from satellite installations and subsea tie-backs. Topside functions include multi-phase separation to strip water and condensate, dehydration to meet pipeline quality specifications, gas metering and compression to maintain export pressures. The platform integrates high-capacity electrical generation and control systems to support continuous processing, SCADA supervisory control, emergency shutdown and fire/gas detection. Utility systems include instrument air, cooling water, and fuel gas handling for turbines. Export routes feature subsea pipelines linking to the NGT (Noordgastransport) system conveying treated gas onshore. Structural design supports wave and wind loading in the Central North Sea environment, with corrosion protection on topside and subsea assets. Periodic intervention by support vessels handles maintenance of risers, pipelines, and process modules. Redundancy in critical systems enhances long-term reliability for unmanned or minimally attended operation.