Document NeBvbr6KaZnXLp0XBbjV5DM3b

Company! DOW CHEMICAL Process: POLY-B Node: 19 Page: 1 Node: 19 D-2006 TO DEGASSER rameter: Flow Intention: GUIDEWORDjDEVIATIONj POSSIBLE CAUSES | CONSEQUENCES | RECOMMENDATIONS |BY No No Flow INSTRUMENT FAIL. FUSE P-2012 EVALUATE PUMP GC PLUGGED LINE HIGH TEMP.AND AUTO-RESTART OPERATION HIGH % SOLIDS IN PROBLEM D--2001 OPERATOR TRAINING RF PUMP TRIP. QUALITY PROBLEMS IN THE POST REACTOR. More More Flow TEMP.CONTROL FAILURE. BYPASS OPEN FLUSH LINE LEFT OPEN. HIGH LEVEL IN D--2001. REVIEW LINE SIZES BB INCL.BYPASS OPERATOR TRAINING RF EVALUATE TEMP.ELEMENT FAILURE MODE GC Reverse Reverse Flow NO CONSEQUENCES AsWellAs AsWellAs Flow P-2005 TRIP BACK FLOW FROM R-2002 AND D-2003 SLURRY IN LINE PLUG LINE PRESSURE UP D-2001 EVALUATE CHECK VALVE IN LINE TO R-2002 FROM P-2005. GC EVALUATE PUMP AUTO RESTART. GC EVALUATE CHECK GC VALVE IN LINE PRO-41801. (TO D-2003) H-----------------------------(.-------------------------- --|----------- -------------------------------------- t--------------------------------------- 1--------------------------------------------)------------ i- 00 ^ 121130 CONFrDFNT.TA(" Coni^any: DOW CHEMICAL Process: POLY-B Node: 19 Page: 2 Node: 19 D-2006 TO DEGASSER rameter: Pressure Intention: WITHIN PIPE SPEC. "E" GUIDEWORD|DEVIATION| POSSIBLE CAUSES | CONSEQUENCES | RECOMMENDATIONS | BY More Higher HIGH D-2006 PRESS PRODUCT SPILL DUE EVALUATE Pressure TO EQUIPMENT POTENTIAL OF PUMP FAILURE. TO EXCEED PIPE RATING. +-------------- +-------------- +--------------------------- +-----------------------------+--------------------------- + DO A 121134 CONFIDENTIAL