Offshore platforms represent one of the most hazardous environments due to the presence of flammable materials, extreme weather, and operational challenges. Among these, the helideck plays a critical role as the primary gateway for personnel and supplies. Ensuring its safety is paramount to maintaining overall operational integrity.
How can we protect the helideck on unmanned platforms?
• CAP 437 Section 5.38 recommends using a Deck Integrated Fire Fighting System (DIFFS). This system consists of water foam sprinklers integrated into the helideck structure and connected to a pressurized premixed foam tank via a pipe network.
• To activate the DIFFS system, a fire detection system is essential. Flame detectors provide continuous monitoring and detect any potential fire.
• A 3D mapping study using tools like Detect3D ensures proper coverage by determining the optimal number and placement of flame detectors. It also provides accurate coordinates for the installation process.
• When a fire is detected, the control panel processes the feedback from the flame detectors and energizes the solenoid valve on the premixed foam tank. This activates foam delivery to the deck-integrated sprinklers, suppressing the fire efficiently.
• In addition to its automatic operation, CAP 437 5.40 recommends installing an overrun feature that allows personnel onshore to remotely activate or deactivate the system. This ensures the highest level of safety, especially on unmanned platforms, where human intervention is not possible.
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