Provision of Safety Studies (HAZOP/HAZID/SIL/FEA/QRA) for H1-WHP platform modification – water treament system
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A Hazard & Operability Study (HAZOP) is a systematic and highly structured study with a critical approach to examine the process and engineering intentions of the process design.
HAZOP analysis is mainly carried out during the basic project phase to have enough time to implement the recommendations during the project. HAZOP can also be carried out for plants during the operational phase, but this is unusual because it is not expected to be implemented or to perform modifications in the plant during this phase. However, it is very important to carry out HAZOP analysis during the operational phase whenever a specific modification process is implemented. In this case it is also necessary to take into account the impact of such modification on other subsystems and to consider them in HAZOP.
Hazard and Operability Study (HAZOP) helps identify and evaluate problems that may represent risks to personnel, equipment or project efficiency. Multi-disciplinary teams focus on specific nodes of the project design during a series of workshops. For each node, the team examines the guide words to methodically ensure that the process is explored in every possible way.
The key objectives of a HAZOP study are to:
The method is applied to complex ‘processes’ for which sufficient design information is available, and not likely to change significantly. This range of data should be explicitly identified and taken as the ‘design intent’ basis for the HAZOP study.
The HAZOP workshop shall be facilitated and recorded. Initially, the Facilitator shall present the proposed workshop methodology and examine the process and engineering intentions of the process design.
The HAZOP allows the Design Team, Operations Team and relevant Third Party (SEN) to brainstorm to identify the potential cause of process upsets and examine the impact of such an upset with respect to safety and fire hazard, environmental risk or operability issues. Not all causes identified may be realistic, but some may have credible consequences that are potentially hazardous that will require further consideration.
HAZOP workshop shall be facilitated following these steps:
The information gained from the HAZOP discussion shall be recorded on a worksheet for each Node and for each Guide Word and Deviation. For the detail of Guide Word and Worksheet example, please follow us at the article category.
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Introduction Updating… Objectives Updating… Scope of Work Updating… Related Projects
Introduction Updating… Objectives Updating… Scope of Work Updating… Related Projects