Abstract
The oil and gas sector is one of the most dangerous and stringent workplaces, due to the hazardousness of materials involved as well as the critical tasks that workers have to perform. Cranes are widely used in this sector for several activities. A wrong load lifting or handling often is due to a limited visibility of working area and could bring to severe accidental scenarios, for this reason safety of these operations becomes of paramount importance. The use of safety devices, that provide an augmented vision to the crane-operator, is essential to avoid potential accidents, moreover risk analysis could benefit from the acquisition of real time information about the process. This work aims to extrapolate and adapt dynamic risk assessment concepts for crane-related operations of a typical oil and gas industry by means of the support of safety devices. To achieve this objective, a set of risk indicators, reporting continuous information about the operations that are carried out, will be defined; successively, a technique of aggregation of these indicators will also be applied with the aim to update the frequency of critical events by a proper Risk Metric Reduction Factor that accounts for the effect of the use of safety barriers.
Highlights
The oil and gas sector is one of the most dangerous and stringent workplace as inherent hazards are difficult to deal with at times
Safety and performance of lifting operations become of paramount importance, given the evidence that a wrong load lifting or handling could bring to severe accidental scenarios such as fires, explosions, and toxic dispersions [1]
As analyzed by several authors [3,4], the limited visibility of the working area is a relevant cause contributing to the occurrence of accidents in crane-related operations, which usually involves both loads and objects located in the workspace
Summary
The oil and gas sector is one of the most dangerous and stringent workplace as inherent hazards are difficult to deal with at times This is due to the hazardousness of materials involved as well as the critical tasks that workers have to perform. Particular attention is paid to Floating Production Storage and Offloading (FPSO) platforms, where risk is related to the handling of heavy loads from and to supply vessels, barges, or semi-submersibles. While performing such high hazards operations, safety cannot be ensured by design alone, as it depends on human skills, maintenance personnel and inspectors, as well as the numerous technical parameters relating to the crane and its operating environment [2]. The advantages, derived from real-time monitoring and data acquisition, are introduced in the following
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