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Interstate Power Company, natural gas explosion and fire, Clear Lake, Iowa, July 12, 1983 Preview this item
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Interstate Power Company, natural gas explosion and fire, Clear Lake, Iowa, July 12, 1983

Author: National Transportation Safety Board. Bureau of Accident Investigation.
Publisher: Washington, DC : The Bureau, May 17, 1984.
Series: Pipeline accident report.
Edition/Format:   Book : National government publication : English
Database:WorldCat
Summary:
At 11:15 a.m., c.d.t., on July 12, 1983, natural gas escaping under 60 pounds pressure from a crack in a butt-fusion joint in a 2-inch plastic gas main entered an apartment building in Clear Lake, Iowa, exploded, and then burned. Two Interstate Power Company employees were injured, one apartment building was destroyed, and the adjacent apartment building was damaged heavily. Damage was estimated at more than 1
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Details

Title: Interstate Power Company, natural gas explosion and fire, Clear Lake, Iowa, July 12, 1983
Database Name: WorldCat
All Authors / Contributors: National Transportation Safety Board. Bureau of Accident Investigation.
Notes: Misc. No.: NTSB/PAR-84/02
Accession No.: 70736
NTIS: PB84-916502
Description: 86 p.
Year: May 17, 1984.
Publisher: Washington, DC : The Bureau,
Corporate Author: National Transportation Safety Board. Bureau of Accident Investigation.
Series: Pipeline accident report; Variation: Pipeline accident report.
OCLC No.: 690876336

Abstract:

At 11:15 a.m., c.d.t., on July 12, 1983, natural gas escaping under 60 pounds pressure from a crack in a butt-fusion joint in a 2-inch plastic gas main entered an apartment building in Clear Lake, Iowa, exploded, and then burned. Two Interstate Power Company employees were injured, one apartment building was destroyed, and the adjacent apartment building was damaged heavily. Damage was estimated at more than 1 million; none of the residents were injured or killed. Interstate Power Company employees who had been notified earlier about strong gas odors outside the apartments and who were on site more than 2 hours before the explosion searching for the gas leak, failed to shut off the gas to the leak and failed to warn and to evacuate the residents of the apartment buildings before the explosion.

The National Transportation Safety Board determines that the probable cause of the accident was the failure of a substandard butt fusion joint in a plastic gas main which allowed gas to escape and the failure of Interstate personnel to locate and rapidly shut off the source of gas and to eliminate sources of ignition.
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