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SIMultaneous OPerationS (SIMOPS)

Simultaneous Operations (SIMOPS) is that the execution of 2 or more tasks by 2 or more functional teams on a similar location at the same time. Within the Oil & Gas and petrochemical industries, SIMOPS takes place specifically once activities from construction, authorization, start-up and production operations are being allotted at the same time. In this regard, in addition to hazards involved with every single task, further risks is generated thanks to coincidental execution within the same space. so as to spot potential hazards and to eliminate, minimize or manage the chance related to SIMOPS, dedicated risk assessment method shall be place in situ involving all stakeholders.


The SIMOPS assessment study workshop is that the leader event of SIMOPS risk assessment method, the key moment to share necessary info and coordinate the concerned parties. Participation of multi-disciplinary cluster from all method and project sectors to assist the helper to initiate discussion among the group. Throughout the workshop the following are going to be mentioned

  • Identification of the SIMOPS situations
  • Identification of the connected hazards
  • Evaluation of the chance of coincidental execution of the activities
  • Identification of control measures and/or operative procedures already planned and consequent assignment of the responsibility for their implementation
  • Evaluation of the residual risk with risk management measures already in situation
  • Identification of further risk management measures, if needed
  • Assignment of accountable person for the implementation of known measure.

The first step of SIMOPS workshop is that the identification of SIMOPS scenario, kinds of activities performed at the same time to be shared by the multi-disciplinary team.

Next to spot the hazards concerned throughout the execution of concurrent activities. In accordance with the HSE management system, a risk matrix will be generated shaping low risk, medium risk and high risk operations.

High Risk – this level of risk is unacceptable resulting in intolerable losses of property, asset, people and setting inflicting fatalities and need to be addressed straightaway.

Medium Risk – it's acceptable however got to be managed at ALARP (As Low As fairly Practicable). The answer out there ought to be simply implementable and also the benefits should be greater compared to loss which may be incurred just in case of improper application of safety measures. Recommendations are going to be provided if needed.

Low Risk – it is acceptable without any action.

A SIMOPS worksheet and SIMOPS layout will be used to record all the discussions and results. Once which recommendations and follow up measures will be provided to create the required changes and implementations within the system.

It has to be noted that SIMOPS risk assessment may be a living activity, it shall be updated frequently in line with the project standing and according to the sequence of incoming website activities. SIMOPS connected documentation shall be kept updated so the location users will use this version of documents. Within the same method, the mitigation actions shall be unceasingly reviewed according to work site progress and their implementation on field should be duly monitored.

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