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E.04 - Proactive Management Supports Safety—Risk Analysis

Summary Bullets
Hazards are considered beyond minimum requirements
Clearly defined responsibilities enhance process safety
Effective communications promotes integration for safe operations
Background
A specialty chemical facility that uses a dozen different flammable solvents stores them in small, low pressure storage tanks that are kept at a slight overpressure by the presence of a nitrogen blanket.
Nitrogen is supplied by a vendor-owned system that vaporizes liquid nitrogen and supplies it to the facility’s distribution system where the pressure is reduced and regulated for various uses.
What Happened
The facility Process Safety Management System (PSMS) Manager included the liquid nitrogen supply system in the PSMS because the loss of nitrogen blanketing could allow air to enter the vapor spaces of the tanks, possibly creating an ignitable atmosphere. This decision was made even though the regulation would have allowed exempting these tanks and the nitrogen supply from the PSMS.
The PSMS Manager also worked with the vendor to determine which elements would be the facility’s responsibility and which would be handled by the nitrogen vendor. This, too, was not required by regulation.
Safety Culture Focus
Strong leadership supports hazards analysis beyond regulations to identify potential risks.
Safety is integrated into all process activities.
Effective communications supports safe operations.
Mutual trust with vendors enhances safety.
Safety Culture Focus Note
**Only 37% of those surveyed indicated management involvement was a strength in their organization.**
Source File
E.04.pptx (322.02 KB)
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