907 Introduction to SEMS

Safety and Environmental Information

SEMS program safety and environmental information should include:

• program information that provides the basis for implementing all SEMS program elements, including the requirements of hazard analysis;
• process design information including, as appropriate, a simplified process flow diagram and acceptable upper and lower limits, where applicable, for items such as temperature, pressure, flow and composition;
• mechanical design information including, as appropriate, piping and instrument diagrams;
• electrical area classifications;
• equipment arrangement drawings;
• design basis of the relief system;
• description of alarm, shutdown, and interlock systems;
• description of well control systems; and
• design basis for passive and active fire protection features and systems and emergency evacuation procedures

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