Inflatable Life Raft (SOLAS-A) · Life Rafts
For crew evacuation in emergency situations, the RFD Surviva DL Mk IV (also known as Survitec RFD, Survitec Zodiac and Survitec) (Surviva Mk4 Family DL rafts (12-25 DL)) is a reliable choice. Certified under SOLAS, this medium-capacity life raft ensures safety for up to 25 persons, making it suitable for vessels with larger crews. Common failures that can compromise its effectiveness include an expired hydrostatic release unit (HRU), which is a critical safety issue, as well as pressure loss in the CO2 bottle due to corrosion or aging. Additionally, material degradation from UV exposure on deck, corroded or blocked painter lines, and expired survival equipment such as flares, water, and rations are frequent concerns. To maintain the integrity of the RFD Surviva DL Mk IV (also known as Survitec RFD, Survitec Zodiac and Survitec) (Surviva Mk4 Family DL rafts (12-25 DL)), it is essential to service it annually at an approved service station. This is not just a recommendation but a mandatory requirement under SOLAS/MSC.1/Circ.1328. The HRU must be replaced according to the manufacturer’s specified interval, typically every two years, and the life raft should undergo replacement or recertification every five years. Keeping an additional HRU on board is also advisable for immediate readiness in emergencies.
What our service work and the manufacturer documentation say about keeping this model running.
Annual servicing at an approved service station is MANDATORY (SOLAS/MSC.1/Circ.1328). HRU replacement at the manufacturer's interval (typically 2 years). Liferaft replacement/recertification every 5 years.
Survitec Group Ltd: Servicing ONLY at an approved service station. Keep an HRU on board. Annual service mandatory.
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