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10/4/2019 II Writer-Reports <br /> Background Information <br /> Delicato Family Vineyards Manteca-operates a processing facility for wine in Manteca, CA. The facility has <br /> (11)ammonia refrigeration systems that provides refrigeration capacity. RP-14 provides refrigeration to (72) <br /> Wine Tanks and (1)Glycol Chiller. <br /> A partial list of refrigeration components includes: <br /> Refrigeration Plant 14 <br /> • (4)Screw Compressors <br /> • (4)Oil Separators <br /> • (1)Low Pressure Receiver <br /> • (2)Ammonia Pumps <br /> • (1)Glycol Chiller <br /> • (2)Oil Pots <br /> • (1)Subcooler <br /> • (1) High Pressure Receiver <br /> • (2)Evaporative Condensers <br /> • (1)Emergency Pressure Crossover System <br /> • (1) Diffusion Tank <br /> Refrigeration Plant 14 operates as follows: high pressure liquid from the high pressure receiver is piped through <br /> a series of liquid feed solenoid valves,an expansion valve,and into a liquid recirculator. From there,low <br /> pressure liquid is pumped to each of the wine tanks,where It passes through a solenoid valve, hand expansion <br /> valve and into the jacket of the wine tank.Low temperature liquid circulates through the jacket.As heat is <br /> absorbed, the liquid ammonia vaporizes to form low temperature and pressure gas which passes through an <br /> isolation valve and is returned to the liquid recirculator.The residual liquid is separated from the gas in the <br /> recirculator and the gas is piped to the suction inlet on the compressors which elevate the temperature and <br /> pressure of the gas.The high pressure discharge from the compressors is sent to a water cooled evaporative <br /> condenser where the high pressure gas ammonia is liquefied and returned to the high pressure receiver. <br /> Witnesses <br /> Involved? Witness? Full Name Employee ID Oral? Written? <br /> ❑ ® Chris Cano ® ❑ <br /> ® ❑ Lisa Luis ❑ ❑ <br /> ® ❑ Mike Webb ❑ ❑ <br /> ® ❑ Rick Galicia ® ❑ <br /> Incident Description <br /> Incident Type: <br /> ❑Near-Miss ®Liquid Spill ®Vapor Release <br /> ❑Fire/Explosion <br /> ❑Other: <br /> Primary Source of Release: <br /> ❑Oil Drain Valve ❑Pump ❑Pressure Relief Valve ❑Transfer Hose <br /> ❑compressor ❑Pressure Vessel ❑Automatic Control Valve ❑Joint <br /> ❑Condenser/Desuperheater ❑Piping ❑Charging Connection/Source ❑Process Vessel <br /> ❑Evaporator ❑Manual Valve ❑storage Vessel <br /> ®Other: Dimple on tank jacket <br /> Description of what happened: <br /> At 1:30 AM on 9/4/19, Delicato employee noticed a faint ammonia odor near RP-14. Upon investigation with sulfur <br /> https://secure.resoureecompliarce.com/liwriter-detail-report.php 2/4 <br />