Скачать или смотреть 050 Tanker Pre-Arrival Safety – Monitoring Oxygen & H₂S Gas Concentrations | Maritime Training (050)

Before entering a loading port, every tanker must ensure safe conditions in its cargo tanks by checking oxygen levels and toxic gas concentrations. In this training video, “050 – Tanker Ship Pre-Arrival: Monitoring Oxygen & H₂S Gas Concentrations”, we explain the essential checks and safety standards that tanker officers must follow to protect crew, cargo, and the environment.

Key learning points include:

Oxygen concentration checks: ensuring all cargo tanks are below 8% O₂ before arrival; in certain ports (e.g., Ras Tanura) stricter limits apply (below 5% O₂).

H₂S monitoring: verifying that hydrogen sulfide levels remain within safe limits (e.g., ≤10 ppm in ports such as Jubail) before loading high-H₂S cargoes.

Terminal regulations: complying with port-specific requirements for toxic gas limits and cargo tank conditions.

Use of portable detectors: ensuring O₂ meters, H₂S meters, and combined detectors are fully functional, calibrated, and ready for use.

Pollution prevention checks: visually inspecting ballast water for oil contamination using rag tests or surface checks.

Safety integration: aligning gas monitoring with ISGOTT (International Safety Guide for Oil Tankers and Terminals), MARPOL pollution prevention, and ship-specific cargo operation manuals.

This video is designed for maritime cadets, tanker officers, and professional seafarers preparing for STCW training, simulator exercises, and real-world tanker operations. By mastering O₂ and H₂S monitoring procedures, seafarers ensure safe cargo operations, compliance with port regulations, and protection of human health.

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📘 References: Tanker Cargo Operation Manuals & ISGOTT guidelines.