Accident Report Detail

Accident Summary Nr: 201701935 - Employee overcome by methane gases in manhole

Accident Summary Nr: 201701935 -- Report ID: 1054195 -- Event Date: 09/29/2005
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
308138817	09/30/2005	1794	238910	Dunn Construction Inc

Abstract: On September 28, 2005, Employee #1, of Dunn Construction, Inc., was at the site of a new sewer system for the city of Irrigon, OR, when he entered a manhole to retrieve a plug. He was overcome by methane gas in the manhole and became incapacitated. His supervisor tried to rescue him, but also became incapacitated by the gas. Both workers were transported to the hospital. Employee #1 remained in intensive care for several days; the supervisor was treated and released after about two hours.

Keywords: UNCONSCIOUSNESS, PPE, WORK RULES, TOXIC ATMOSPHERE, CONSTRUCTION, INHALATION, NATURAL GAS, CHEMICAL VAPOR, MANHOLE, CHEMICAL

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Other heavy construction		New project or new addition		$50,000 to $250,000

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation	Construction
1	308138817			Hospitalized injury	Asphyxia	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Installing equipment (HVAC and other) Fatality Cause: Asphyxiation/inhalation of toxic vapor

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