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- 18. Why was the Bridge Built? National Library of Scotland
- 19. Why was the Bridge Built? Construction of the Bridge National Library of Scotland
- 20. Why was the Bridge Built? Construction of the Bridge Public Inquiry National Library of Scotland
- 21. Why was the Bridge Built? Construction of the Bridge Public Inquiry The Causes of the Disaster
- 22. Why was the Bridge Built? Construction of the Bridge Public Inquiry The Causes of the Disaster How can You Avoid a Similar Outcome? National Library of Scotland
- 23. Why was the Bridge Built? Construction of the Bridge Public Inquiry The Causes of the Disaster How can You Avoid a Similar Outcome? Questions and Wrap-up National Library of Scotland
- 24. Giants of the Steam Age
- 25. Giants of the Steam Age Thomas Newcomen
- 26. Giants of the Steam Age Thomas Newcomen James Watt
- 27. Giants of the Steam Age Thomas Newcomen James Watt Richard Trevithick
- 28. Giants of the Steam Age Thomas Newcomen James Watt Richard Trevithick George Stephenson
- 30. Thomas Bouch
- 31. North British Railway 1849 – 1850’s Thomas Bouch
- 32. Das48
- 33. Das48
- 34. Das48
- 37. The First Roll-On Roll-Off Ferries 1850-51
- 38. Independent Engineer: 1850’s - 1880 Thomas Bouch
- 39. Deepdale Viaduct Under construction 1858
- 41. Thomas Bouch
- 42. Parliamentary Bill Passes July 1870
- 43. The Navigation Spans or the High Girders
- 44. The Bridge Route Survey
- 48. Replace Brick Columns with Iron The Engineer January 1880
- 49. 8 Tubes but reduced to 6 Replace Brick Columns with Iron The Engineer January 1880
- 50. 8 Tubes but reduced to 6 Very High Centre of Gravity Replace Brick Columns with Iron The Engineer January 1880
- 51. 8 tubes but reduced to 6 Very High Centre of Gravity Replace Brick Columns with Iron Manufacture the columns on site The Engineer January 1880
- 54. Inspection 25th-27th February 1878 Maj. General Hutchinson Source Grace’s Guide to British Industrial History
- 56. Sir Thomas Bouch Knighted: 27th June 1879 Queen Victoria
- 58. President of the Board of Trade Instigated a Court of Inquiry Lord Sandon
- 59. Dundee 3rd – 6th of January
- 61. Reconvened in London February - May 1880
- 62. The Weather
- 63. Bouch sought advise on wind loading
- 64. Bouch sought advise on wind loading Witnesses testified to the force
- 65. Bouch sought advise on wind loading Witnesses testified to the force Sir George now recommended 50lbs/ft2
- 67. Detail of Column Lug After Martin and MacLeod - ICE Paper 2004
- 69. Bolt Ø 1-⅛” Tapered Hole Ø 1-¼” After Martin and MacLeod - ICE Paper 2004
- 74. Low Quality Material Lax Supervision and Control Leisure and Culture Dundee
- 75. Low Quality Material Lax Supervision and Control Low level of Expertise Leisure and Culture Dundee
- 76. Maintenance
- 77. Excessive vibration in the high girders
- 78. Excessive vibration in the high girders Trains travelling at excessive speed
- 79. Excessive vibration in the high girders Trains travelling at excessive speed Braces loose and chattering
- 80. Excessive vibration in the high girders Trains travelling at excessive speed Braces loose and chattering Cracks in Columns
- 81. Presented to Parliament June 1880
- 82. Sir Thomas Bouch 30th October 1880 Kim Traynor
- 83. Martin and MacLeod I.C.E Journal 1995
- 84. Lewis and Reynolds Interdisciplinary Science Reviews 2002
- 85. Martin and MacLeod (Rebuttal) I.C.E Journal 2004
- 86. Why? The Tay Bridge Collapsed
- 87. Why? The Tay Bridge Collapsed A1 It was blown down in a severe storm
- 88. Why? The Tay Bridge Collapsed A1 A2 It was blown down in a severe storm Design and manufacturing defects
- 89. A3 Why? The Tay Bridge Collapsed A1 A2 It was blown down in a severe storm Design and manufacturing defects Engineer was trying to cut costs
- 90. A3 Why? The Tay Bridge Collapsed A1 A2 A4 It was blown down in a severe storm Design and manufacturing defects Engineer was trying to cut costs Reputation for delivering cheap
- 91. A3 Why? The Tay Bridge Collapsed A1 A2 A4 A5 It was blown down in a severe storm Design and manufacturing defects Engineer was trying to cut costs Reputation for delivering cheap What the railway companies wanted
- 92. I’ll huff and I’ll puff and I’ll blow your bridge down
- 94. 84% Edinburgh – Dundee Traffic
- 95. 84% 59% Edinburgh – Dundee Traffic Edinburgh – Aberdeen Traffic
- 96. 84% 59% Edinburgh – Dundee Traffic Edinburgh – Aberdeen Traffic 40% Freight increase Fife - Dundee
- 97. 84% 59% £ Edinburgh – Dundee Traffic Edinburgh – Aberdeen Traffic 40% 2,000,000 gross revenue Freight increase Fife - Dundee
- 98. 84% 59% £ 30% Edinburgh – Dundee Traffic Edinburgh – Aberdeen Traffic 40% 2,000,000 gross revenue Rise in company stock price Freight increase Fife - Dundee
- 100. Sir William Arrol June 1887 Mark Stockdale
- 101. Sir William Arrol June 1887 Mark Stockdale March 1890
- 103. ! Do not be overconfident AAR
- 104. ! ! Do not be overconfident You are responsible for end user safety AAR
- 105. ! ! AAR Do not be overconfident Remember your responsibility for end user safety Perform detailed risk analysis on major changes !
- 106. ! ! Do not be overconfident Remember your responsibility for end user safety Perform detailed risk analysis on major changes Be aware of the cumulative effect of small changes ! ! AAR
- 107. ! ! ! Do not be overconfident Remember your responsibility for end user safety Perform detailed risk analysis on major changes Be aware of the cumulative effect of small changes Employ good people, and utilize them appropriately ! ! AAR
- 108. ! ! ! ! Do not be overconfident Remember your responsibility for end user safety Perform detailed risk analysis on major changes Be aware of the cumulative effect of small changes Employ good people, and utilize them appropriately Develop a clear handover and maintenance program ! ! AAR
- 111. It would be easy, then, for this age to see the disaster as a salutary lesson to the excessive hubris of the Victorians, were it not for the fact that the pride, greed, inefficiency and ignorance that contributed to the fall of the bridge are part of our way of life too.
- 112. Richard Feynman The first principle is that you must not fool yourself and you are the easiest person to fool. CC BY-SA 3.0 Picture by Tamiko Thiel 1984