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What Went Wrong Part 4 potx

What Went Wrong Part 4 potx

What Went Wrong Part 4 potx

... indicators have been affect- ed by radiography being carried out on welds up to 70 m away. 74 What Went Wrong? 2.12 CONTROL OF MODIFICATIONS How can we prevent modifications from producing ... fall. 86 What Went Wrong? between them. Oxygen was also fed to the reactors, but the oxygen lines are not shown. At the time of the incident only two reactors, Nos. 1 and 4, were on ... glycerol was placed in the reactor and circulated through a heat exchanger, which 68 What Went Wrong? 4& apos; A T (a) Disc below relief valve P A -I- (c) Vent replaced by pressure...
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What Went Wrong Part 1 pptx

What Went Wrong Part 1 pptx

... space?, 241 1 I .9 Every possible error, 242 Chapter 12. Hazards of Common Materials . . . . a . . . . . 244 12.1 Compressed air, 244 12.2 Water, 246 12.3 Nitrogen, 248 12 .4 Heavy ... stacks, 140 6.3 Heat radiation. 142 Chapter7.Leaks 144 7.1 7.2 Control of leaks, 1 54 7.3 7 .4 Detection of leaks, 160 7.5 Fugitive emissions, 162 Some common sources of leaks, 145 Leaks ... 14. Testing of Trips and Other Protective Systems 272 14. 1 Testing should be thorough, 272 14. 2 All protective equipment should be tested, 275 14. 3 Testing can be overdone, 279 14. 4...
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What Went Wrong Part 2 docx

What Went Wrong Part 2 docx

... (Fig- ure 1-11, [16, 171. 8 What Went Wrong? Blowdown Blowdown Relief Valve RIGHT Relief Valve Open End -Blank @ Figure 1 -4. The right and wrong ways to isolate a vent ... 1-6 shows a thin slip-plate that has been subjected to a gauge pressure of 47 0 psi (32 bar). 4 What Went Wrong? There was another similarity to the first incident. In this case the ... dismantled with the Demco valve (Illustrarion courtesy of the US. Department of hbor.) open. 32 What Went Wrong? 1 .4. 7 A Permit to Work Da.,derously? A permit system is necessary for...
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What Went Wrong Part 3 pdf

What Went Wrong Part 3 pdf

... completed” [39]. 36 What Went Wrong? Figure 1-13. This steel box was quite incapable of containing a leak of steam at a gauge pressure of 300 psi (20 bar). 60 What Went Wrong? 2.6 PROCESS ... fly very far [38]. (See Sections 13.5 and 17.1 for the hazards of quick-opening lids.) 44 What Went Wrong? According to the report, the maintenance worker should have been given more detailed ... existing bellows were left in position at both ends of the temporary pipe (Figure 2-5). 42 What Went Wrong? Figure 1-18. Instead of replacing the eye-bolts, new studs were welded in place...
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What Went Wrong Part 5 ppsx

What Went Wrong Part 5 ppsx

... 1 04 What Went Wrong? 4. 3 LABELING OF CHEMICALS 4. 3.1 Poor or Missing Labels One incident is described in Section ... of Zaragoza in December 1990, Translation No. 91-1 140 1 ( 849 8e/813e), International Atomic Energy Agency. 1991. 1 14 What Went Wrong? dioxide to remove the air, and the refrigerated butane ... 14 to 23 amps, was high enough to melt parts of the copper wire. pGGzl (X) Figure 4- 2. Arrangement of labels on tank cars. The Nitrogen label folds down to read Oxygen. 116 What Went...
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What Went Wrong Part 6 pdf

What Went Wrong Part 6 pdf

... material. 144 132 What Went Wrong? was built more than 40 years earlier, and the combination of a full tank and a low temperature triggered the collapse. For most of the 40 years, the ... the dike wall was damaged by the 142 What Went Wrong? this reason, many companies prefer not to use them. If they are partly choked, burning liquid or particles of hot carbon may be expelled ... involving a liq- uefied propane tank occurred in Qatar in 1977 (see Section 8.1 S). 148 What Went Wrong? 7.1 .4 Level and Sight Glasses Failures of level glasses and sight glasses have caused...
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What Went Wrong Part 7 ppsx

What Went Wrong Part 7 ppsx

... taking. 1 64 What Went Wrong? 13. British Occupational Hygiene Society, Fugitive Emissions of Vapo~~rs froin Process Equipment, Report in Science Reviews, Northwood, UK, 19 84. 14. C. R. ... November 19 84, was one of the worst incidents that has ever occurred in the oil and chemical industries, exceeded only by Bhopal. According to official figures, 542 people were killed, 4, 248 injured, ... Moodie. Plant/Operations Progress, Vol. 4, No. 4. Oct. 1985, p. 2 34. 9. M. Symalla, Hydrocarbon Processing, Vol. 63. No. 7, July 19 84, p. 83. 10. A. E. Choquette, Hydrocarbon...
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What Went Wrong Part 8 pdf

What Went Wrong Part 8 pdf

... Workshop, Atomic Energy Authori- ty, Hanvell, UK, 19 84. 13. D. Clarke. The Chemical Engineer; No. 44 9, June 1988, p. 44 . 14. B. E. Mellin, Loss Prererzriorz Bulletin, No. 100, ... of 23 m; 14 tons of gasoline were spilled. Three hours later a further length collapsed. The pipe sup- ports were replaced by the type shown in Figure 9-5 (b). 2 04 What Went Wrong? 17. ... Process Safety Progress, Vol. 14, No. 4, Oct. 1995, p. 245 . 29. Safety Management (South Africa), Nov./Dec. 1990, p. 45 . Other Equipment 209 10 .4 RELIEF VALVES Very few incidents...
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What Went Wrong Part 9 pptx

What Went Wrong Part 9 pptx

... Rugby, UK, undated. Society. Lancashire and Cheshire Branch), No. 147 , Oct. 19 94. Oct. 1995, p. 244 . 220 What Went Wrong? A Impingement plate ‘7- Calandria f Figure 10-11. Condensate ... Safely Progress, Vol. 14, No. 4, 14. I. M. Duguid, Loss Prevention Bulletin, No. 1 34, Apr. 1997, p. 10. 15. R. E. Sanders, Process Safely Progress, Vol. 15, No. 4. Winter 1996, p. ... and fed dry pulp into the vessel. 2 24 What Went Wrong? Fuel oil - Figure 10-13. Lighting a furnace heated by heavy fuel oil. When the burner went out, the solenoid valve took a few...
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What Went Wrong Part 10 pdf

What Went Wrong Part 10 pdf

... 7. Petroleum Review, Apr. 1976. p. 241 . 2 54 What Went Wrong? tank should be deemed to be a confined space, and the entry proce- dure should apply. 4. All managers and supervisors should ... UK. 199 1. No. 1, Jan. 1990. p. 39. of Energy, Washington, D.C., Dec. 19 94. p. 6. 246 What Went Wrong? Thin films of oil in pipework can explode without a previous fire if subjected ... vaporizes as it enters a burning tank. Sections 9.1.1 and 12 .4. 5 describe incidents in which vessels burst because water that had 248 What Went Wrong? 1. Never mix water and hot oil. 2. Do not...
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