What Went Wrong Part 7 ppsx

... of articles on Mexico City). 17. T. A. Kletz, Loss Prevention, Vol. 13, 1980, p. 1 47. 18. Middle East Econ. Digest, Vol. 21, Apr. 15, 1 977 , and July 1, 1 977 . 19. N. J. Cupurus, -‘Cryogenic ... surmise what probably happened. The new recommendations said that refrigerated LFG tanks should be made from materials such as 9% nickel steel, which will not propagate a 178...

Ngày tải lên: 11/08/2014, 18:20

... Vol. 3. No. 4, July/Aug. 1996, p. 17. I00 What Went Wrong? Fortunately, the tank truck was fitted with a device to prevent it from departing when the filling hose was connected ... Progress, Vol. 70 , No. 7. Apr. 1 974 . p. 80. 3. Arzniial Report of Her- Majesh's Iizspectors of Explosi\.es for- 1 970 , Her Majesty's Stationery Office, London, 1...

Ngày tải lên: 11/08/2014, 18:20

... 3 11 17. 3 Faulty valve positioning, 313 17. 4 Responsibilities not defined, 314 17. 5 Communication failures, 3 15 17. 6 Work at open manholes, 318 17. 7 One line, two duties, 318 17. 8 Inadvertent ... been prevented. Case histories illustrate what went wrong and why it went wrong, and then guide you in how to circumvent similar tragedies. Twenty percent of the inf...

Ngày tải lên: 11/08/2014, 18:20

... safely (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 ... 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 i...

Ngày tải lên: 11/08/2014, 18:20

... explosion occurred; the building u'as wrecked, and parts of the reactor were found 75 m away [7] . 56 What Went Wrong? Some hot ( 370 °C) pipework was supported by spring hangers to mini- ... 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 Wh...

Ngày tải lên: 11/08/2014, 18:20

... 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 ... described the psychology of such slips. 78 80 What Went Wrong? (b) With many types of screwed couplings and compression couplings, it is easy to use the wrong ring. Accidents...

Ngày tải lên: 11/08/2014, 18:20

... similar incident involving a liq- uefied propane tank occurred in Qatar in 1 977 (see Section 8.1 S). 148 What Went Wrong? 7. 1.4 Level and Sight Glasses Failures of level glasses and sight ... 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...

Ngày tải lên: 11/08/2014, 18:20

... minutes was not long enough for all the steam to condense. 196 What Went Wrong? exactly what was said and what was meant. Knowing what we know now, there can be no other course in the future ... the wrong grade of steel was used for a pipeline. The correct grade is usually specified. but the wrong grade is delivered to the site or selected from the pipe store. 190 Wh...

Ngày tải lên: 11/08/2014, 18:20

... Ltd., London, 1 974 . Institution of Chemical Engineers, Rugby, UK, undated. Society. Lancashire and Cheshire Branch), No. 1 47, Oct. 1994. Oct. 1995, p. 244. 220 What Went Wrong? A Impingement ... failed to check that the space was clear before locking the door [25]. 230 What Went Wrong? Figure 11-1. If part of a vessel cannot be seen, assume it is dirty. If t...

Ngày tải lên: 11/08/2014, 18:20

... The Chemical Engineel; No. 4 37, June 19 87, p. 51. 13. Chemisty in Britain, Vol. 22, No. 7, July 1986, p. 610. 14. Chemical Engineering, Dec. 2, 1 977 , p. 67. 15. Bulletin. Royal Society ... all the reasons listed in Section 7. 1.6, in particular because dam- aged hoses or hoses made from the wrong material were used. However, 266 What Went Wrong? fire." Su...

Ngày tải lên: 11/08/2014, 18:20