Natural gas pipeline rupture : TransCanada Pipelines Limited, line 100-2, 864-millimetre (34-inch) mainline, kilometre post mainline valve 39-2, +6.07 kilometres, St. Norbert, Manitoba, 15 April 1996.: TU4-38/2013E-PDF
"At 1815 eastern standard time (EST), on 15 April 1996, a rupture, followed by an explosion and fire at 1829 EST, occurred on the TransCanada PipeLines Limited 864-millimetre (34-inch) natural gas pipeline, at Kilometre Post Mainline Valve 39-2 + 6.07 kilometres, 10 kilometres southwest of Winnipeg, near the town of St. Norbert, Manitoba. The Board determined that the rupture of Line 100-2 was caused by a ductile overload fracture, the result of high external stresses on the surface of the pipeline; stresses which were, in turn, the result of movement of the slope in which the pipe was buried. The rupture was assisted by the existence of an environmentally assisted crack at the toe of the circumferential weld that connected two joints of pipe together. There is the possibility that the initial crack could have been present since the original construction of that section of the pipeline"--Synopsis.
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| Department/Agency | Transportation Safety Board of Canada. |
|---|---|
| Title | Natural gas pipeline rupture : TransCanada Pipelines Limited, line 100-2, 864-millimetre (34-inch) mainline, kilometre post mainline valve 39-2, +6.07 kilometres, St. Norbert, Manitoba, 15 April 1996. |
| Series title | Pipeline occurrence report ; P96H0012 |
| Publication type | Monograph |
| Language | [English] |
| Other language editions | [French] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Issued also in French under title: Rupture d'un gazoduc, TransCanada PipeLines Limited, canalisation 100-2 de 864 millimètres (34 pouces), poteau kilométrique de vanne de canalisation principale 39-2 + 6,07 kilomètres, St. Norbert (Manitoba), 15 avril 1996. Digitized edition from print [produced by Transportation Safety Board of Canada in 2013]. |
| Publishing information | [Ottawa] : Transportation Safety Board of Canada, [1999, 2013] |
| Description | 39 p. : ill. |
| Catalogue number |
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| Subject terms | Pipelines Accidents |
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