Document a4VQyzapnQk557RvGBEJ3xvwe

Company: DOW CHEMICAL Process: POLY-B Node: 2 Page: 1 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------Node: 2 D-2004 TRANSFER TO R-2001 rameter: Flow Intention: 130M LB/HR -) ______--|.--------------------- 1--------------------- --------------h----------------------------------(-_____--_______--------+---------H |GUIDEWORD|DEVIATION| POSSIBLE CAUSES | CONSEQUENCES | RECOMMENDATIONS |BY | +------------------- +------------------- +------------------------------------- +----------------------------------------+------------------------------------- +------ + No No Flow PLUGGED LINE OVERFILL D-2004 AUTO PUMP BACK-UP GC VALVE FAIL CLOSED HIGH % SOLIDS PUMP SHUTDOWN FALSE LEVEL IN D-2004 PUMP CAVITATING OPERATOR ERROR HOT REACTOR DEADHEAD PUMP NO SPRAY TO DEMISTER CONSIDER RETURNING TO TOP OF REACTOR RF CONSIDER VORTEX RF BREAKER IN D-2004 SEALLESS PUMP INSTRUMENTATION PACKAGE CT More More Flow VALVES FAIL OPEN COOL REACTOR R-2001 LEVEL INST LOWER % SOLIDS FAILURE REDUCED LEVEL BYPASS OPEN D-2004 PUMP CAVITATION PUMP OVERLOAD TEMP INDICATOR ON CT D-2004 FCV FAIL OPEN * EVALUATE SUMMED HIGH FLOW ALARM AND SUMMED LOW FLOW ALARM CT Less Less Flow PLUGGED LINE* REDUCED RATES SEE NO FLOW D0 A 121086 CONFIDENTIAL Company: DOW CHEMICAL Process: POLY-B Node: 2 Page: 2 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- + Node: 2 D-2004 TRANSFER TO R-2001 rameter: Temperature Intention: 45c |GUIDEWORD DEVIATION POSSIBLE CAUSES CONSEQUENCES RECOMMENDATIONS BY | More Higher HIGH RECYCLE PUMP PROBLEMS ALARM HIGH TEMP GC Temp EXCHANGER FLASH ACROSS LCV PROBLEMS -)-------1------------------------------------------ h------------------------------------ 1--------------------------------------- 1-- ------ ---------- -- --------------H--------h