Phillips 66 High Learning Value Event Equipment Opening Testing Criteria
Testing Criteria 1. 50% LEL 2. 50ppm H 2 S ppm VOC * 4. < 150 F 5. < 1psi Pressure 6. No Residual Liquid; periodic drips only No guarantee of safety. PPE often Needed.
When Is Testing Done? Initial Equipment Opening All initial openings on process equipment prior to line or flange breaking. Sub-systems receive independent tests. Steam & hydrocarbon Re-Testing Whenever equipment is completely closed it will be re-tested prior to opening. Blinded vessels may be left open. Valve isolations are always closed ea. shift.
How is Testing Conducted Operator Testing 5-Gas Meters LEL, H 2 S, VOC Dilution Fitting 5:1 Temperature Gun Try Point Bleeds, Vents * Pressure gauges are an indicator; but not measure.
Craftsperson Verification Try Point Tag Minimally, every shift each Lead Craftsperson* is required to verify absence of energy and Equipment Opening Testing Criteria prior to working on a piece of equipment. * Must be on the tools. Craft verifies & signs tag during Initial Opening Individual workers may always personally verify energy control.
Criteria Not Met/Unable to Test? Criteria Not Met LEL, H 2 S, VOC too high? Temperature too high? Residual Liquid/Pressure? Option 1 – RE-Clean Equipment Option 2 – Alternate Plan Option 3 – Job Safety Plan* * OPS/MAINT/H&S Supv’s Unable to Test No Try Point, Bleed or location to test. Option 1 – Redesign Equipment Isolation Option 2 – Job Safety Plan JSP does not guarantee work will proceed.
Conclusion All equipment that contains process fluids must be tested for hazards prior to initial line breaking: LEL, H2S, VOCs, Temperature, Pressure & Residual Liquid Readings are recorded on the Try Point Tag which is attached to the bleed on the equipment. Crafts persons must verify acceptable readings prior to performing any initial line breaking activities. Further equipment cleaning or redesigning the task is the preferred solution to non-passing criteria. Job Safety Plan is required for any deviations to criteria.