SYSTEM FAILURE CASE STUDIES SEPTEMBER 2009 VOLUME 3 ISSUE 06 A Half-Inch to Failure At 6:05 pm‚ on Wednesday‚ August 1‚ 2007‚ the Interstate-35 West (I-35W) bridge over the Mississippi River in Minneapolis collapsed. On the day of the collapse‚ four of the bridge’s eight lanes were closed for planned construction. Four weak connector plates fractured under the combined burden of rush hour traffic‚ concentrated construction equipment‚ and previous heavy renovations. The bridge fell 108
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given the stark alternate reality I proposed‚ and the fact that they did not understand how it might come to pass‚ they labeled me an alarmist. Moreover‚ I also realized that if I had understood business leaders’ concerns and secured their support through upfront communications and expectation setting‚ my presentation could have been much more convincing and the key messages would not have been obscured by confusion and panic. I learned a lesson I will apply repeatedly in my career: it is important
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No more flying solo The introduction of passengers in Flight Sim World has both received support and critics‚ but is it really something new and uninteresting as some seem to suggest? Then why did people get excited with PeopleFlow or FsPassengers? When Dovetail Games announced for its 6th update animated passengers were coming to the simulator‚ I was happy‚ I must say. Being one of those people who grabed the Mission Editor and tried to explore it‚ I felt from the initial moment that it made sense
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Friction Losses Abstract—The purpose of the experiment is to study the differences of roughness‚ valves and geometries of pipe and how they influence friction losses. Introduction Friction loss is the loss of energy or “head” that occurs in pipe flow due to viscous effects generated by the surface of the pipe. This energy drop is dependent on the wall shear stress (τ) between the fluid and pipe surface. The shear stress of a flow is also dependent on whether the flow is turbulent
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I SIT AND LOOK OUT Walt Whitman‚ a prominent American anti war poet‚ who lived during the times of civil war witnessed the condition around him with his own eyes and transformed it into literature which still stands relevant to our lives today. The advent of capitalism during this time and its rapid proliferation brought with itself several ramifications. Human concerns were relegated and principles were sidelined. In response to all the atrocities‚ the people looked around and turned a blind
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are closely related. I do not have issues in learning the actual content of courses‚ rather my problems occur in not effectively allotting time to learn it which in turn causes the stress and the two together result in poor exam performance. In order to avoid these issues which result in extreme stress come exam time I need to set aside time to effectively plan and schedule time and techniques for completing assignments and studying‚ then follow through with the derived plan. In my opinion‚ the
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PLANNING A PERFORMANCE IMPROVEMENT STRATEGY IN A SMALL MANUFACTURING COMPANY The object of this assignment is to produce a two year plan to implement a programme of integrated performance improvement activities in a small manufacturing company that employs about 30 people. Metal components are manufactured‚ and the factory is arranged around five machines in three cells according to small‚ medium and large components. Heat treatment and grinding and the other major operations‚ as well as secondary
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was to convince and motivate my subordinates that wearing the safety glasses is important. The major points I took out from Dale’s role description for use in my negotiation strategy were the 14 years managerial experience‚ J.B. Harris’ recent accident and the one-week suspension fear. Following are the negotiation strategies I developed for Pat according to my natural preferences and the knowledge that Pat Taylor was the informal leader‚ with over 20 years’ experience and talks a lot about his
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The legacy of racism seen in Thom’s painting J. Marion Sims: Gynecologic Surgeon‚ continues to create an unfavorable dialogue on Dr. Sims unethical experiments and keeping it silent. Harriet Washington’s requested from Pfizer executives to use Thom’s painting for her book cover Medical Apartheid‚ but was denied after they read the requested chapter and outline discussing Dr. Sims unanesthetized surgeries on slave women. However‚ Mary Jenkins Schwartz‚ a white woman was granted permission to use the
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two sisters who each came into a small inheritance. One sister hoarded the inheritance and prospered materially for some time‚ but was alienated from the community. Her marriage ultimately broke up‚ and she integrated herself back into the community largely by giving gifts. The other sister fulfilled the community’s expectations‚ but within six weeks had nothing material to show for the inheritance but a coat and a pair of
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