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LEGEND: 
Figure 4: SIMOPS Layout (partial) 
3.6 SIMOPS Risk Assessment Process Follow-up 
The SIMOPS’s action follow-up status was updated daily by the SIMOPS facilitator. As soon as all the 
SIMOPS actions were solved, dedicated joint field walk down was called in order to demonstrate to project’s 
involved parties that all actions identified during the SIMOPS workshop together with the listed 
countermeasures were proper implemented by the responsible person, as defined during the workshop. 
After closure verification, hydrocarbon introduction received the green light. The concerned area was 
pressurized with hydrocarbon and unit start-up operation finally took place. 
It has to be noted that SIMOPS risk assessment is a living activity, it shall be updated regularly according to 
the project status and according to the sequence of incoming site activities. SIMOPS related documentation 
shall keep update so that the site users can use the current version of documents. In the same way, the 
mitigation actions shall be continuously reviewed according to work site progress and their implementation on 
field must be punctually monitored. 
4. Conclusions 
Thanks to SIMOPS risk assessment process, together with daily implementation of “safety first” program from 
the beginning of site activities, the project finally reached 65 mil worked manhours without LTI (Lost-Time 
Injury) a remarkable achievement in this field, considering the involved manpower. 
In particular the avoidance of any significant hazard during almost one year of simultaneous activities between 
construction and commissioning after the first ingress of Hydrocarbons in area of plant, to whom the 
systematic application of SIMOPS risk assessment process gave a great contribution, was highly appreciated 
by the Top Management of the Project. 
References 
Marucco D., 2015, SIMOPS Risk Assessment, Tecnimont Work Instruction. 
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