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PB209876

Publication Date	1972
Page Count	58
Abstract	On December 9, 1970, a rupture occurred in the Phillips Pipeline Company system in Franklin County, Missouri, which released 4,538 barrels of propane. An explosion, equivalent to 100,000 pounds of TNT, and a fire resulted in extensive property damage within a 2 mile radius. No fatalities occurred, but ten persons sustained injuries. The probable cause of the accident was the rupture of an insufficiently bonded longitudinal weld, further weakened by internal corrosion. Contributing to the rupture was a pump station which shut down and produced a higher pressure on the failed pipeline section than it had been subjected to during recent operations. The explosion and fire were caused by the ignition of the released propane which had been confined in a concrete block building. (Author)
Keywords	Petroleum pipelines Accident investigations Liquefied petroleum gases Explosions Propane Detonation Shock waves Arc seam welds Failure Damage assessment Safety engineering Missouri Franklin County(Missouri)
Source Agency	National Transportation Safety Board
NTIS Subject Category	81D - Jet & Gas Turbine Engines
Corporate Authors	National Transportation Safety Board, Washington, D.C.
Document Type	Technical Report
NTIS Issue Number	197214

Pipeline Accident Report. Phillips Pipe Line Company, Propane Gas Explosion, Franklin County, Missouri. December 9, 1970.

Pipeline Accident Report. Phillips Pipe Line Company, Propane Gas Explosion, Franklin County, Missouri. December 9, 1970.
PB209876

Publication Date	1972
Page Count	58
Abstract	On December 9, 1970, a rupture occurred in the Phillips Pipeline Company system in Franklin County, Missouri, which released 4,538 barrels of propane. An explosion, equivalent to 100,000 pounds of TNT, and a fire resulted in extensive property damage within a 2 mile radius. No fatalities occurred, but ten persons sustained injuries. The probable cause of the accident was the rupture of an insufficiently bonded longitudinal weld, further weakened by internal corrosion. Contributing to the rupture was a pump station which shut down and produced a higher pressure on the failed pipeline section than it had been subjected to during recent operations. The explosion and fire were caused by the ignition of the released propane which had been confined in a concrete block building. (Author)
Keywords	Petroleum pipelines Accident investigations Liquefied petroleum gases Explosions Propane Detonation Shock waves Arc seam welds Failure Damage assessment Safety engineering Missouri Franklin County(Missouri)
Source Agency	National Transportation Safety Board
NTIS Subject Category	81D - Jet & Gas Turbine Engines
Corporate Authors	National Transportation Safety Board, Washington, D.C.
Document Type	Technical Report
NTIS Issue Number	197214