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Country: RUSSIA - Russia & Central Asia
Location: ONSHORE : Camp ie survey, seismic geophysical operations
Incident Date: 12 September 2021 Time: ---
Type of Activity: ---
Cause: Struck by
An IOGP Member has alerted us to two separate incidents, both with fatal outcomes and related to maintenance/changing of tyres on vehicles. The incidents represent opportunities to highlight risk areas that were insufficiently recognised in our industry.
On September 12, 2021 a contracted tyre technician was fatally struck by a heavy vehicle tyre and a tyre rim which ejected after a sudden failure. On December 23rd, 2021, an employee was fatally struck by a heavy vehicle tyre rim during maintenance.
Both incidents happened during routine activities in controlled logistics environments. The trucks involved were heavy and had been used in rough terrain. Tyre inflation pressures were as per manufacturers' recommendations, in the order of 130 psi.
In the first event, a new tyre was already mounted on the one-piece rim after having been previously inflated inside a safety cage, and it was resting outside the cage waiting installation on a truck. A maintenance technician noticed some air leaking from it and approached it. While the technician was inspecting/troubleshooting the tyre the wheel parted, releasing the rim which hit the technician on the head.
In the second event, a driver was loosening the lug nuts of a heavy vehicle wheel that had been reported defective by a previous shift driver, with the intention of replacing it with a spare. The rim catastrophically failed and cracked in two, releasing the tyre and part of the rim with explosive force and projecting the driver several metres away.
Following the incidents, prior damage was noted on the tyre rims in both cases. This may either have occurred through wear and tear during rough terrain driving or potentially through driving with a partially deflated tyre. Subsequent wider inspection of tyres and tyre rims revealed that such cases are not limited to the incident vehicles in isolation.
What Went Wrong?:
Corrective Actions and Recommendations:
Figure 1: September incident
Figure 2: December incident
Safety Alert number: 331
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