Node 1Project Title:Production of NitrobenzeneGroup No.:Group 18Date:05.03.2015Node No.:1Node Description:Inlet valve to the decanterDrawing No.:P-0003 (SHT 1 of 3)ItemGuide WordPossible CausesConsequencesSafeguardsRecommendationsParty Responsible111High LevelFeed inlet flow rate too high1) High Pressure 2) High water level in the tank is dangerous1) High level alarm is installed at the reactor. 2) Manual control valve is installed to prevent emergency.-112Blockage of outlet pipelineSame as Item 1.1.1Same as Item 1.1.1113Control valve malfunctionSame as Item 1.1.1Same as Item 1.1.1

121High FlowFeed inlet flow rate too high1) High Pressure 2) Equipment takes time to separate the chemicals1) High flow rate control valve is installed before the pipe enter the equipment.

122No FlowNo feed input 1) No flow rate causing no products1) Install flow reader before the chemicals into the equipment.Pipeline burst and leakageSame as item 1.2.2Same as item 1.2.2Blockage of pipelineSame as item 1.2.2Same as item 1.2.2

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Node 2Project Title:Production of NitrobenzeneGroup No.:Group 18Date:31/Mar/2015Node No.:2Node Description:Example: Cooling water for R-101 Reactor, or piping from E-103 Cooler to V-101 SeparatorDrawing No.:P&ID drawing number. Example: P-0005 (SHT 1 of 3)ItemGuide WordPossible CausesConsequencesSafeguardsRecommendationsParty Responsible211No Flow212213

221More Flow

231Less Flow232233

241Reserved Flow

251High Pressure

261Low Pressure

271High Temperature

281Low Temperature

291High Level

2101Low Level

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Node 3Project Title:Production of NitrobenzeneGroup No.:Group 18Date:31/Mar/2015Node No.:3Node Description:Example: Cooling water for R-101 Reactor, or piping from E-103 Cooler to V-101 SeparatorDrawing No.:P&ID drawing number. Example: P-0005 (SHT 1 of 3)ItemGuide WordPossible CausesConsequencesSafeguardsRecommendationsParty Responsible311No Flow312313

321More Flow

331Less Flow332333

341Reserved Flow

351High Pressure

361Low Pressure

371High Temperature

381Low Temperature

391High Level

3101Low Level

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