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IMCA - Near Miss - High voltage ace inside tether termination manifold

A high voltage arc occurred inside a ROV tether termination manifold. The ROV HPU Breaker tripped during the return of the ROV to the TMS. Initial investigation into the trip was conducted and findings indicated no hard fault was present. The ROV crew performed a reset of the breakers and restarted …

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IMCA - Diver sustains laceration to hand

The incident occurred during air/nitrox diving at 18m depth. A diver was assigned to retrieve tooling from the forward downline, which had over 2m of slack to accommodate vessel movement. The tooling was dispatched via the messenger but exceeded the acceptable depth range within the dive table due …

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Wireline mast column stop plate falls 65ft

As the 90ft Wireline Mast was rigged up in preparation for operations, a dropped object was reported within the restricted access area. The area was secured and a sweep of the worksite performed, leading to the discovery of a mast column stop plate and four sheared 12mm HEX bolt heads, with a furthe…

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Breathing Apparatus Service and Maintenance Competency

An engineer was tasked with carrying out routine BA maintenance for a new client. The engineer was informed that the previous maintenance had been carried out annually for over a decade by a local provider - with no reported issues. Several BA sets were found to be defective, requiring repairs and p…

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Telehandler forks made contact with powerline

While respooling flexline, telehandler forks contacted a 3rd party 21.6kV power line, energising the telehandler and causing a fire. The telehandler operator exited uninjured. A second crew member approached with a fire extinguisher, which the operator took and used. The second crewmember move…

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Potential Dropped Objects (PDOs) returned with units

In the offshore environment Potential Dropped Objects (PDO’s) are a major safety risk as the transportation of units is normally completed using cranes and lifting items great heights. This poses the risk of items falling and striking personnel in the vicinity. Over the years, many PDO’s have been d…

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Smart glasses and filming devices offshore

What Happened? Footage has been shared of an offshore installation on a social media platform, believed to have been filmed using a face mounted personal electronic device. Footage was recorded on a helicopter flight and outside of accommodation module which is out with mobilisation & control of…

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Serious foot injury on walk-to work gangway

The gangway of a walk-to-work vessel was connected to a satellite platform Two operators crossed the gangway first, as per normal procedure. The third person (IP) was in the process of crossing the gangway when a red light was signaled, indicating the request to return to the vessel. The red light …

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Dropped Object Due to Corroded Deluge Flange

After landing a lower completion assembly on the drill floor and while retracting the deck crane whip line and twin hook stinger back through the v-door, the twin hook stinger swung to starboard causing one of the hooks to strike a blanking flange on the drill floor deluge line. The 4.95kg blanking …

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Rust Particle Enters Eye During Spool Removal

A Mechanical Tech was tasked with the removal of a spool. Due to the location of the spool, the technician had to work in a restricted space, lying on their back to access the flange bolts. During removal, the IP felt what they believed to be rust, hit their face. Following this, the IP re-positione…

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Hydrogen Sulphide (H2S) detected onboard vessel

A toolbox meeting was held on the bridge at which the risks associated with H2S were discussed. The crew, equipped with gas detectors, started to investigate where the smell was coming from both inside and outside. No respiratory PPE was used. This was based on that the smell was noticeable all over…

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Dropped Object – Satellite Antenna

A satellite antenna fell from the mounting point on the vessels monkey island to the deck below. The distance was approximately 6 metres, and the weight of the antenna was approximately 3 kgs. The Drops calculator has been used to plot the potential outcome of this as shown. An investigation has rev…