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Process Hazard Analysis Report July 2020 <br /> Table B: PHA Sections (What-if) <br /> Title of Section Applies to System <br /> No. 1 No. 2 No. 3 <br /> 1 Compressors ✓ ✓ ✓ <br /> 2 Condensers ✓ ✓ ✓ <br /> 3 Evaporators ✓ ✓ ✓ <br /> 4 Pressure Vessels ✓ ✓ ✓ <br /> 5 Pressure Relief Valves ✓ ✓ ✓ <br /> Diffusion Tank ✓ --- --- <br /> 6 Piping & Valves ✓ ✓ ✓ <br /> 7 Ammonia Pumps ✓ --- --- <br /> Instrument & Controls (I&C) ✓ ✓ ✓ <br /> 9 Facility Siting ✓ ✓ ✓ <br /> 10 Human Factors ✓ ✓ ✓ <br /> 11 Emergency Situation ✓ ✓ ✓ <br /> 5.2 Process Safety Information <br /> The process safety information was reviewed and revised prior to this PHA study <br /> as part of the work that Oak Ridge Winery has been conducting as part of the 5- <br /> year program update and resubmit. The safety system information is detailed <br /> below. Current P&IDs were available and used for reference where necessary. <br /> TABLE C —SAFETY SYSTEMS <br /> SYSTEM APPLICABILITY <br /> SAFETY SYSTEM System System System COMMENTS <br /> No. 1 No. 2 No. 3 <br /> Pressure relief valves on all pressure Q Q Q Relieve to <br /> atmosphere <br /> Pressure relief and relief piping system Q <br /> to ammonia diffusion tank El <br /> Compressor control panels to shut <br /> down the compressor operation if safe Q Q Q <br /> operating conditions are exceeded <br /> Limit excess system <br /> conditions (high / low <br /> Compressor cut-out switches, lube oil, Q Q Q pressure or <br /> and suction controls temperature; low oil <br /> pressure /temp/ oil <br /> differential <br /> Liquid level float switches to control Q Q Q <br /> vessel ammonia levels <br /> 10 <br />